DNSSEC Debugger - umbc.edu

Domain Name:

Time: 2025-07-02 04:31:34 UTC

Analyzing DNSSEC problems for umbc.edu

DS=20326/SHA-256 is now in the chain-of-trust

	Checking DS between Trust Anchor and .
	`. IN DS ( 20326 8 2 e06d44b80b8f1d39a95c0b0d7c65d08458e880409bbc683457104237c7f8ec8d )`
	Query to g.root-servers.net for ./DNSKEY
	Received 1417 bytes from 192.112.36.4
	;; Response received from [192.112.36.4] 1417 octets ;; HEADER SECTION ;; id = 48954 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 5 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; . IN DNSKEY ;; ANSWER SECTION (5 records) . 172800 IN DNSKEY ( 257 3 8 AwEAAa96jeuknZlaeSrvyAJj6ZHv28hhOKkx3rLGXVaC6rXTsDc449/cidltpkyGwCJNnOAlFNKF 2jBosZBU5eeHspaQWOmOElZsjICMQMC3aeHbGiShvZsx4wMYSjH8e7Vrhbu6irwCzVBApESjbUdp WWmEnhathWu1jo+siFUiRAAxm9qyJNg/wOZqqzL/dL/q8PkcRU5oUKEpUge71M3ej2/7CPqpdVwu MoTvoB+ZOT4YeGyxMvHmbrxlFzGOHOijtzN+u1TQNatX2XBuzZNQ1K+s2CXkPIZo7s6JgZyvaBev YtxPvYLw4z9mR7K2vaF18UYH9Z9GNUUeayffKC73PYc= ) ; keytag 38696 . 172800 IN DNSKEY ( 256 3 8 AwEAAbauxLSFZ+KSWi2cT6TJbm3d+GIVqb2N1XnDjMsRme0b6JlGp/cvwmM5CaJ5LQ7tG1r7LuTH jYZadtbNk2nZmclq9r4KInS48ungoAZb0gJXVw8IvBTBb1YWQmiBqD285pJuORwTii7DF++nNJJk 3i55HJt9SmBI7m7t8nvx7OOY/w0inxg3fLH2uY0SKO8he4FGwMc4Ubiab8N8Yhyhh+FkKKdD/+oA cuGF75PjlSXO460B4MlNLlEcjDEzIsKauRYx4YVgSaNomGhMMFblmXRzgW+1R6ywvm5mC9+omlyy izZp2GJfPwGMezuKSGDndO6CYYEc5/lsRhvBYsGjdPM= ) ; keytag 46441 . 172800 IN DNSKEY ( 256 3 8 AwEAAbEbGCpGTDrcZTWqWWE72nphyshpRcILdzCVlBGU9Ln1Fui9kkseUOP+g5GLUeVFKdTloeRT A9+EYiQdXgWXmXmuW/nGxZjAikluF/O9NzLVrr5iZnth2xu+F48nrJlAgWWiMNau54NI5sZ3iVQf hFsq2pZmf43RauRPniYMShOLO7EBWWXr5glDSgZGS9fSm6xHwwF+g8D4m8oanjvdCBNxXzSEKS31 ibxjLifTfvwCg3y4XXcNW9U6Nu3JmoKUdxqpPPIkBvVQbIz4UO2FwaR13uXC03ALP1Yx2QNSS4SZ lcIMtAftQR9wtCiuPWQnFv4jkzWqlhp1Lmf7bcoL9yk= ) ; keytag 53148 . 172800 IN DNSKEY ( 257 3 8 AwEAAaz/tAm8yTn4Mfeh5eyI96WSVexTBAvkMgJzkKTOiW1vkIbzxeF3+/4RgWOq7HrxRixHlFlE xOLAJr5emLvN7SWXgnLh4+B5xQlNVz8Og8kvArMtNROxVQuCaSnIDdD5LKyWbRd2n9WGe2R8PzgC mr3EgVLrjyBxWezF0jLHwVN8efS3rCj/EWgvIWgb9tarpVUDK/b58Da+sqqls3eNbuv7pr+eoZG+ SrDK6nWeL3c6H5Apxz7LjVc1uTIdsIXxuOLYA4/ilBmSVIzuDWfdRUfhHdY6+cn8HFRm+2hM8AnX GXws9555KrUB5qihylGa8subX2Nn6UwNR1AkUTV74bU= ) ; keytag 20326 . 172800 IN RRSIG ( DNSKEY 8 0 172800 20250722000000 20250701000000 20326 . UGhOn2e0xbV2um4IqDwLtkXZVqk32Dz6Orahd8l3n5pQxAPO+PzC96lwt3YdDLFpzmu1FqPWugCK eq5uju1L2DklkEX7hnvBKKzb/Q2dkEA1w85dQQH34II778mePR3fvIDckntFXGsT9a8tdN9tFaP+ qJiwgtNbiKej8YheeX/DAAmZPn0s6/Bg3cLuozR9FXAwkgrA3rjcRpN/jKhPSauHvsin7gCbcUjs jA+P3l9y4Izc5ibPfdUIxVaTUt+OofHUV9VaZoexMQKwggIE78BLAs7AsP7KwlXDB8++Cy6IXVcg +9Gzv3k/gJokM3UHOGa0UrSfCIAKlfMFYADJBA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 4 DNSKEY records for .
	`. 172800 IN DNSKEY ( 257 3 8 AwEAAa96jeuknZlaeSrvyAJj6ZHv28hhOKkx3rLGXVaC6rXTsDc449/cidltpkyGwCJNnOAlFNKF 2jBosZBU5eeHspaQWOmOElZsjICMQMC3aeHbGiShvZsx4wMYSjH8e7Vrhbu6irwCzVBApESjbUdp WWmEnhathWu1jo+siFUiRAAxm9qyJNg/wOZqqzL/dL/q8PkcRU5oUKEpUge71M3ej2/7CPqpdVwu MoTvoB+ZOT4YeGyxMvHmbrxlFzGOHOijtzN+u1TQNatX2XBuzZNQ1K+s2CXkPIZo7s6JgZyvaBev YtxPvYLw4z9mR7K2vaF18UYH9Z9GNUUeayffKC73PYc= ) ; keytag 38696`
	`. 172800 IN DNSKEY ( 256 3 8 AwEAAbauxLSFZ+KSWi2cT6TJbm3d+GIVqb2N1XnDjMsRme0b6JlGp/cvwmM5CaJ5LQ7tG1r7LuTH jYZadtbNk2nZmclq9r4KInS48ungoAZb0gJXVw8IvBTBb1YWQmiBqD285pJuORwTii7DF++nNJJk 3i55HJt9SmBI7m7t8nvx7OOY/w0inxg3fLH2uY0SKO8he4FGwMc4Ubiab8N8Yhyhh+FkKKdD/+oA cuGF75PjlSXO460B4MlNLlEcjDEzIsKauRYx4YVgSaNomGhMMFblmXRzgW+1R6ywvm5mC9+omlyy izZp2GJfPwGMezuKSGDndO6CYYEc5/lsRhvBYsGjdPM= ) ; keytag 46441`
	`. 172800 IN DNSKEY ( 256 3 8 AwEAAbEbGCpGTDrcZTWqWWE72nphyshpRcILdzCVlBGU9Ln1Fui9kkseUOP+g5GLUeVFKdTloeRT A9+EYiQdXgWXmXmuW/nGxZjAikluF/O9NzLVrr5iZnth2xu+F48nrJlAgWWiMNau54NI5sZ3iVQf hFsq2pZmf43RauRPniYMShOLO7EBWWXr5glDSgZGS9fSm6xHwwF+g8D4m8oanjvdCBNxXzSEKS31 ibxjLifTfvwCg3y4XXcNW9U6Nu3JmoKUdxqpPPIkBvVQbIz4UO2FwaR13uXC03ALP1Yx2QNSS4SZ lcIMtAftQR9wtCiuPWQnFv4jkzWqlhp1Lmf7bcoL9yk= ) ; keytag 53148`
	`. 172800 IN DNSKEY ( 257 3 8 AwEAAaz/tAm8yTn4Mfeh5eyI96WSVexTBAvkMgJzkKTOiW1vkIbzxeF3+/4RgWOq7HrxRixHlFlE xOLAJr5emLvN7SWXgnLh4+B5xQlNVz8Og8kvArMtNROxVQuCaSnIDdD5LKyWbRd2n9WGe2R8PzgC mr3EgVLrjyBxWezF0jLHwVN8efS3rCj/EWgvIWgb9tarpVUDK/b58Da+sqqls3eNbuv7pr+eoZG+ SrDK6nWeL3c6H5Apxz7LjVc1uTIdsIXxuOLYA4/ilBmSVIzuDWfdRUfhHdY6+cn8HFRm+2hM8AnX GXws9555KrUB5qihylGa8subX2Nn6UwNR1AkUTV74bU= ) ; keytag 20326`
	DNSKEY=20326/SEP is now in the chain-of-trust
	DS=20326/SHA-256 verifies DNSKEY=20326/SEP
	Found 1 RRSIGs over DNSKEY RRset
	`. 172800 IN RRSIG ( DNSKEY 8 0 172800 20250722000000 20250701000000 20326 . UGhOn2e0xbV2um4IqDwLtkXZVqk32Dz6Orahd8l3n5pQxAPO+PzC96lwt3YdDLFpzmu1FqPWugCK eq5uju1L2DklkEX7hnvBKKzb/Q2dkEA1w85dQQH34II778mePR3fvIDckntFXGsT9a8tdN9tFaP+ qJiwgtNbiKej8YheeX/DAAmZPn0s6/Bg3cLuozR9FXAwkgrA3rjcRpN/jKhPSauHvsin7gCbcUjs jA+P3l9y4Izc5ibPfdUIxVaTUt+OofHUV9VaZoexMQKwggIE78BLAs7AsP7KwlXDB8++Cy6IXVcg +9Gzv3k/gJokM3UHOGa0UrSfCIAKlfMFYADJBA== )`
	RRSIG=20326 and DNSKEY=20326/SEP verifies the DNSKEY RRset
	DNSKEY=38696/SEP is now in the chain-of-trust
	DNSKEY=46441 is now in the chain-of-trust
	DNSKEY=53148 is now in the chain-of-trust
	Query to h.root-servers.net for umbc.edu/A
	Received 1167 bytes from 198.97.190.53
	;; Response received from [198.97.190.53] 1167 octets ;; HEADER SECTION ;; id = 7242 ;; qr = 1 aa = 0 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 0 ;; nscount = 15 arcount = 27 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; umbc.edu. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (15 records) edu. 172800 IN NS a.edu-servers.net. edu. 172800 IN NS b.edu-servers.net. edu. 172800 IN NS c.edu-servers.net. edu. 172800 IN NS d.edu-servers.net. edu. 172800 IN NS e.edu-servers.net. edu. 172800 IN NS f.edu-servers.net. edu. 172800 IN NS g.edu-servers.net. edu. 172800 IN NS h.edu-servers.net. edu. 172800 IN NS i.edu-servers.net. edu. 172800 IN NS j.edu-servers.net. edu. 172800 IN NS k.edu-servers.net. edu. 172800 IN NS l.edu-servers.net. edu. 172800 IN NS m.edu-servers.net. edu. 86400 IN DS ( 35663 13 2 a2e1614291831a4746b5ac52b4b345357687271e85353082741f1cf3d06a4c1d ) edu. 86400 IN RRSIG ( DS 8 1 86400 20250714170000 20250701160000 46441 . m1yXVYBpTXRozz2mfe54eCM18WDaovCNH3NN6L3g8A8rdOwmRyyrpoYiRV2AaBswP3JzBUoKxMcb a/U2nEjBi0gn21qk8AMoGV3FD+0cTXrgOszlZjhjPCDzu/M4nBFYpxWh51UkSA31jXEvzupN+28Y eiPbKwid6k40rLIR+4NrmvVv00dsPbz+mL7sog0PcXcl0pqi6JOKXNDJayoNgzq1s9nRXu44AJ5Q MaGtpqVjVIMewEZP+7waEJJm/qapUUM8tT8gL/1l0h0VdqgMreVpzL+KIS2yuEkeGu+CeTcft2T2 ib3FveEF5xvSjL9DDPaGKuyq8d6jnhf+M6IRfA== ) ;; ADDITIONAL SECTION (27 records) a.edu-servers.net. 172800 IN A 192.5.6.30 b.edu-servers.net. 172800 IN A 192.33.14.30 c.edu-servers.net. 172800 IN A 192.26.92.30 d.edu-servers.net. 172800 IN A 192.31.80.30 e.edu-servers.net. 172800 IN A 192.12.94.30 f.edu-servers.net. 172800 IN A 192.35.51.30 g.edu-servers.net. 172800 IN A 192.42.93.30 h.edu-servers.net. 172800 IN A 192.54.112.30 i.edu-servers.net. 172800 IN A 192.43.172.30 j.edu-servers.net. 172800 IN A 192.48.79.30 k.edu-servers.net. 172800 IN A 192.52.178.30 l.edu-servers.net. 172800 IN A 192.41.162.30 m.edu-servers.net. 172800 IN A 192.55.83.30 a.edu-servers.net. 172800 IN AAAA 2001:503:a83e::2:30 b.edu-servers.net. 172800 IN AAAA 2001:503:231d::2:30 c.edu-servers.net. 172800 IN AAAA 2001:503:83eb::30 d.edu-servers.net. 172800 IN AAAA 2001:500:856e::30 e.edu-servers.net. 172800 IN AAAA 2001:502:1ca1::30 f.edu-servers.net. 172800 IN AAAA 2001:503:d414::30 g.edu-servers.net. 172800 IN AAAA 2001:503:eea3::30 h.edu-servers.net. 172800 IN AAAA 2001:502:8cc::30 i.edu-servers.net. 172800 IN AAAA 2001:503:39c1::30 j.edu-servers.net. 172800 IN AAAA 2001:502:7094::30 k.edu-servers.net. 172800 IN AAAA 2001:503:d2d::30 l.edu-servers.net. 172800 IN AAAA 2001:500:d937::30 m.edu-servers.net. 172800 IN AAAA 2001:501:b1f9::30 ;; { "EDNS-VERSION": 0 }
	Query to j.root-servers.net for edu/DNSKEY
	Received 1162 bytes from 192.58.128.30
	;; Response received from [192.58.128.30] 1162 octets ;; HEADER SECTION ;; id = 62807 ;; qr = 1 aa = 0 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 0 ;; nscount = 15 arcount = 27 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1472, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; edu. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (15 records) edu. 172800 IN NS a.edu-servers.net. edu. 172800 IN NS b.edu-servers.net. edu. 172800 IN NS c.edu-servers.net. edu. 172800 IN NS d.edu-servers.net. edu. 172800 IN NS e.edu-servers.net. edu. 172800 IN NS f.edu-servers.net. edu. 172800 IN NS g.edu-servers.net. edu. 172800 IN NS h.edu-servers.net. edu. 172800 IN NS i.edu-servers.net. edu. 172800 IN NS j.edu-servers.net. edu. 172800 IN NS k.edu-servers.net. edu. 172800 IN NS l.edu-servers.net. edu. 172800 IN NS m.edu-servers.net. edu. 86400 IN DS ( 35663 13 2 a2e1614291831a4746b5ac52b4b345357687271e85353082741f1cf3d06a4c1d ) edu. 86400 IN RRSIG ( DS 8 1 86400 20250714170000 20250701160000 46441 . m1yXVYBpTXRozz2mfe54eCM18WDaovCNH3NN6L3g8A8rdOwmRyyrpoYiRV2AaBswP3JzBUoKxMcb a/U2nEjBi0gn21qk8AMoGV3FD+0cTXrgOszlZjhjPCDzu/M4nBFYpxWh51UkSA31jXEvzupN+28Y eiPbKwid6k40rLIR+4NrmvVv00dsPbz+mL7sog0PcXcl0pqi6JOKXNDJayoNgzq1s9nRXu44AJ5Q MaGtpqVjVIMewEZP+7waEJJm/qapUUM8tT8gL/1l0h0VdqgMreVpzL+KIS2yuEkeGu+CeTcft2T2 ib3FveEF5xvSjL9DDPaGKuyq8d6jnhf+M6IRfA== ) ;; ADDITIONAL SECTION (27 records) a.edu-servers.net. 172800 IN A 192.5.6.30 b.edu-servers.net. 172800 IN A 192.33.14.30 c.edu-servers.net. 172800 IN A 192.26.92.30 d.edu-servers.net. 172800 IN A 192.31.80.30 e.edu-servers.net. 172800 IN A 192.12.94.30 f.edu-servers.net. 172800 IN A 192.35.51.30 g.edu-servers.net. 172800 IN A 192.42.93.30 h.edu-servers.net. 172800 IN A 192.54.112.30 i.edu-servers.net. 172800 IN A 192.43.172.30 j.edu-servers.net. 172800 IN A 192.48.79.30 k.edu-servers.net. 172800 IN A 192.52.178.30 l.edu-servers.net. 172800 IN A 192.41.162.30 m.edu-servers.net. 172800 IN A 192.55.83.30 a.edu-servers.net. 172800 IN AAAA 2001:503:a83e::2:30 b.edu-servers.net. 172800 IN AAAA 2001:503:231d::2:30 c.edu-servers.net. 172800 IN AAAA 2001:503:83eb::30 d.edu-servers.net. 172800 IN AAAA 2001:500:856e::30 e.edu-servers.net. 172800 IN AAAA 2001:502:1ca1::30 f.edu-servers.net. 172800 IN AAAA 2001:503:d414::30 g.edu-servers.net. 172800 IN AAAA 2001:503:eea3::30 h.edu-servers.net. 172800 IN AAAA 2001:502:8cc::30 i.edu-servers.net. 172800 IN AAAA 2001:503:39c1::30 j.edu-servers.net. 172800 IN AAAA 2001:502:7094::30 k.edu-servers.net. 172800 IN AAAA 2001:503:d2d::30 l.edu-servers.net. 172800 IN AAAA 2001:500:d937::30 m.edu-servers.net. 172800 IN AAAA 2001:501:b1f9::30 ;; { "EDNS-VERSION": 0 }
	Found child zone edu

edu

	Checking DS between . and edu
	Query to i.root-servers.net for edu/DS
	Received 367 bytes from 192.36.148.17
	;; Response received from [192.36.148.17] 367 octets ;; HEADER SECTION ;; id = 5950 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; edu. IN DS ;; ANSWER SECTION (2 records) edu. 86400 IN DS ( 35663 13 2 a2e1614291831a4746b5ac52b4b345357687271e85353082741f1cf3d06a4c1d ) edu. 86400 IN RRSIG ( DS 8 1 86400 20250714170000 20250701160000 46441 . m1yXVYBpTXRozz2mfe54eCM18WDaovCNH3NN6L3g8A8rdOwmRyyrpoYiRV2AaBswP3JzBUoKxMcb a/U2nEjBi0gn21qk8AMoGV3FD+0cTXrgOszlZjhjPCDzu/M4nBFYpxWh51UkSA31jXEvzupN+28Y eiPbKwid6k40rLIR+4NrmvVv00dsPbz+mL7sog0PcXcl0pqi6JOKXNDJayoNgzq1s9nRXu44AJ5Q MaGtpqVjVIMewEZP+7waEJJm/qapUUM8tT8gL/1l0h0VdqgMreVpzL+KIS2yuEkeGu+CeTcft2T2 ib3FveEF5xvSjL9DDPaGKuyq8d6jnhf+M6IRfA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 1 DS records for edu in the . zone
	DS=35663/SHA-256 has algorithm ECDSAP256SHA256
	Found 1 RRSIGs over DS RRset
	`edu. 86400 IN RRSIG ( DS 8 1 86400 20250714170000 20250701160000 46441 . m1yXVYBpTXRozz2mfe54eCM18WDaovCNH3NN6L3g8A8rdOwmRyyrpoYiRV2AaBswP3JzBUoKxMcb a/U2nEjBi0gn21qk8AMoGV3FD+0cTXrgOszlZjhjPCDzu/M4nBFYpxWh51UkSA31jXEvzupN+28Y eiPbKwid6k40rLIR+4NrmvVv00dsPbz+mL7sog0PcXcl0pqi6JOKXNDJayoNgzq1s9nRXu44AJ5Q MaGtpqVjVIMewEZP+7waEJJm/qapUUM8tT8gL/1l0h0VdqgMreVpzL+KIS2yuEkeGu+CeTcft2T2 ib3FveEF5xvSjL9DDPaGKuyq8d6jnhf+M6IRfA== )`
	RRSIG=46441 and DNSKEY=46441 verifies the DS RRset
	DS=35663/SHA-256 is now in the chain-of-trust
	`edu. 86400 IN DS ( 35663 13 2 a2e1614291831a4746b5ac52b4b345357687271e85353082741f1cf3d06a4c1d )`
	Query to g.edu-servers.net for edu/DNSKEY
	Received 291 bytes from 192.42.93.30
	;; Response received from [192.42.93.30] 291 octets ;; HEADER SECTION ;; id = 986 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 3 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; edu. IN DNSKEY ;; ANSWER SECTION (3 records) edu. 86400 IN DNSKEY ( 257 3 13 vqk4cwmCpZkXat25PaOVt3RPYDOmCr8B4D1IynrqSqzs+BeCYI6pnBNRUD9BgfqbxZHyfyDz6vbv 8KQaT7maRw== ) ; keytag 35663 edu. 86400 IN DNSKEY ( 256 3 13 5ImtzG5OqHjNCOhBhQ+IzNMnu0KKRiLUf5wOtBlFSIlmoG0Nv7rhyhCBj2PzyDy3+V0Ncgr5z1GD hOM2W3JcFQ== ) ; keytag 57579 edu. 86400 IN RRSIG ( DNSKEY 13 1 86400 20250714151114 20250629150614 35663 edu. 0LVnsibesovcGuT8UNQJyw3kMfBbyRGsHBViUGZEljK+SxzrCOh70syy6np70GZSkxvQVm05sV2z CL9PfncW+A== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 2 DNSKEY records for edu
	`edu. 86400 IN DNSKEY ( 257 3 13 vqk4cwmCpZkXat25PaOVt3RPYDOmCr8B4D1IynrqSqzs+BeCYI6pnBNRUD9BgfqbxZHyfyDz6vbv 8KQaT7maRw== ) ; keytag 35663`
	`edu. 86400 IN DNSKEY ( 256 3 13 5ImtzG5OqHjNCOhBhQ+IzNMnu0KKRiLUf5wOtBlFSIlmoG0Nv7rhyhCBj2PzyDy3+V0Ncgr5z1GD hOM2W3JcFQ== ) ; keytag 57579`
	DNSKEY=35663/SEP is now in the chain-of-trust
	DS=35663/SHA-256 verifies DNSKEY=35663/SEP
	Found 1 RRSIGs over DNSKEY RRset
	`edu. 86400 IN RRSIG ( DNSKEY 13 1 86400 20250714151114 20250629150614 35663 edu. 0LVnsibesovcGuT8UNQJyw3kMfBbyRGsHBViUGZEljK+SxzrCOh70syy6np70GZSkxvQVm05sV2z CL9PfncW+A== )`
	RRSIG=35663 and DNSKEY=35663/SEP verifies the DNSKEY RRset
	DNSKEY=57579 is now in the chain-of-trust
	Query to m.edu-servers.net for umbc.edu/A
	Received 398 bytes from 192.55.83.30
	;; Response received from [192.55.83.30] 398 octets ;; HEADER SECTION ;; id = 12907 ;; qr = 1 aa = 0 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 0 ;; nscount = 7 arcount = 6 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; umbc.edu. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (7 records) umbc.edu. 172800 IN NS dnsexternal1.umbc.edu. umbc.edu. 172800 IN NS dnsexternal.umbc.edu. umbc.edu. 172800 IN NS dnsexternal2.umbc.edu. umbc.edu. 172800 IN NS dnsexternal3.umbc.edu. umbc.edu. 172800 IN NS dnsexternal4.umbc.edu. umbc.edu. 86400 IN DS ( 62866 5 2 128db54504131167804e3e42e51235f5a5cc82697db90ebeabf13725dfbc1987 ) umbc.edu. 86400 IN RRSIG ( DS 13 2 86400 20250709023934 20250702012934 57579 edu. siEazNtLjg58dDUdu5A05/eUEc/cEEdRpe6rHfF75PBkImwkqlJAZDLkHG8GWTuJq170UGl++jeo 6mYuhWOrLQ== ) ;; ADDITIONAL SECTION (6 records) dnsexternal1.umbc.edu. 172800 IN A 130.85.1.9 dnsexternal.umbc.edu. 172800 IN A 130.85.1.6 dnsexternal2.umbc.edu. 172800 IN A 130.85.1.11 dnsexternal3.umbc.edu. 172800 IN A 3.84.138.22 dnsexternal4.umbc.edu. 172800 IN A 3.235.211.84 ;; { "EDNS-VERSION": 0 }
	Query to h.edu-servers.net for umbc.edu/DNSKEY
	Received 398 bytes from 192.54.112.30
	;; Response received from [192.54.112.30] 398 octets ;; HEADER SECTION ;; id = 6611 ;; qr = 1 aa = 0 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 0 ;; nscount = 7 arcount = 6 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; umbc.edu. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (7 records) umbc.edu. 172800 IN NS dnsexternal1.umbc.edu. umbc.edu. 172800 IN NS dnsexternal.umbc.edu. umbc.edu. 172800 IN NS dnsexternal2.umbc.edu. umbc.edu. 172800 IN NS dnsexternal3.umbc.edu. umbc.edu. 172800 IN NS dnsexternal4.umbc.edu. umbc.edu. 86400 IN DS ( 62866 5 2 128db54504131167804e3e42e51235f5a5cc82697db90ebeabf13725dfbc1987 ) umbc.edu. 86400 IN RRSIG ( DS 13 2 86400 20250709023934 20250702012934 57579 edu. siEazNtLjg58dDUdu5A05/eUEc/cEEdRpe6rHfF75PBkImwkqlJAZDLkHG8GWTuJq170UGl++jeo 6mYuhWOrLQ== ) ;; ADDITIONAL SECTION (6 records) dnsexternal1.umbc.edu. 172800 IN A 130.85.1.9 dnsexternal.umbc.edu. 172800 IN A 130.85.1.6 dnsexternal2.umbc.edu. 172800 IN A 130.85.1.11 dnsexternal3.umbc.edu. 172800 IN A 3.84.138.22 dnsexternal4.umbc.edu. 172800 IN A 3.235.211.84 ;; { "EDNS-VERSION": 0 }
	Found child zone umbc.edu

umbc.edu

	Checking DS between edu and umbc.edu
	Query to i.edu-servers.net for umbc.edu/DS
	Received 1078 bytes from 192.43.172.30
	;; Response received from [192.43.172.30] 1078 octets ;; HEADER SECTION ;; id = 38974 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 14 arcount = 27 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; umbc.edu. IN DS ;; ANSWER SECTION (2 records) umbc.edu. 86400 IN DS ( 62866 5 2 128db54504131167804e3e42e51235f5a5cc82697db90ebeabf13725dfbc1987 ) umbc.edu. 86400 IN RRSIG ( DS 13 2 86400 20250709023934 20250702012934 57579 edu. siEazNtLjg58dDUdu5A05/eUEc/cEEdRpe6rHfF75PBkImwkqlJAZDLkHG8GWTuJq170UGl++jeo 6mYuhWOrLQ== ) ;; AUTHORITY SECTION (14 records) edu. 172800 IN NS h.edu-servers.net. edu. 172800 IN NS f.edu-servers.net. edu. 172800 IN NS m.edu-servers.net. edu. 172800 IN NS j.edu-servers.net. edu. 172800 IN NS c.edu-servers.net. edu. 172800 IN NS d.edu-servers.net. edu. 172800 IN NS e.edu-servers.net. edu. 172800 IN NS g.edu-servers.net. edu. 172800 IN NS a.edu-servers.net. edu. 172800 IN NS k.edu-servers.net. edu. 172800 IN NS b.edu-servers.net. edu. 172800 IN NS l.edu-servers.net. edu. 172800 IN NS i.edu-servers.net. edu. 172800 IN RRSIG ( NS 13 1 172800 20250707023935 20250630012935 57579 edu. +5iXQE3YCtpbm9jVe20i6bFDvz+6SAEoqdtvwJsxHnJKy+LQUOR2CJb79nCk0jlUJiwqPzH8FFZB vN7lPlDESQ== ) ;; ADDITIONAL SECTION (27 records) h.edu-servers.net. 172800 IN A 192.54.112.30 h.edu-servers.net. 172800 IN AAAA 2001:502:8cc::30 f.edu-servers.net. 172800 IN A 192.35.51.30 f.edu-servers.net. 172800 IN AAAA 2001:503:d414::30 m.edu-servers.net. 172800 IN A 192.55.83.30 m.edu-servers.net. 172800 IN AAAA 2001:501:b1f9::30 j.edu-servers.net. 172800 IN A 192.48.79.30 j.edu-servers.net. 172800 IN AAAA 2001:502:7094::30 c.edu-servers.net. 172800 IN A 192.26.92.30 c.edu-servers.net. 172800 IN AAAA 2001:503:83eb::30 d.edu-servers.net. 172800 IN A 192.31.80.30 d.edu-servers.net. 172800 IN AAAA 2001:500:856e::30 e.edu-servers.net. 172800 IN A 192.12.94.30 e.edu-servers.net. 172800 IN AAAA 2001:502:1ca1::30 g.edu-servers.net. 172800 IN A 192.42.93.30 g.edu-servers.net. 172800 IN AAAA 2001:503:eea3::30 a.edu-servers.net. 172800 IN A 192.5.6.30 a.edu-servers.net. 172800 IN AAAA 2001:503:a83e::2:30 k.edu-servers.net. 172800 IN A 192.52.178.30 k.edu-servers.net. 172800 IN AAAA 2001:503:d2d::30 b.edu-servers.net. 172800 IN A 192.33.14.30 b.edu-servers.net. 172800 IN AAAA 2001:503:231d::2:30 l.edu-servers.net. 172800 IN A 192.41.162.30 l.edu-servers.net. 172800 IN AAAA 2001:500:d937::30 i.edu-servers.net. 172800 IN A 192.43.172.30 i.edu-servers.net. 172800 IN AAAA 2001:503:39c1::30 ;; { "EDNS-VERSION": 0 }
	Found 1 DS records for umbc.edu in the edu zone
	DS=62866/SHA-256 has algorithm RSASHA1
	Found 1 RRSIGs over DS RRset
	`umbc.edu. 86400 IN RRSIG ( DS 13 2 86400 20250709023934 20250702012934 57579 edu. siEazNtLjg58dDUdu5A05/eUEc/cEEdRpe6rHfF75PBkImwkqlJAZDLkHG8GWTuJq170UGl++jeo 6mYuhWOrLQ== )`
	RRSIG=57579 and DNSKEY=57579 verifies the DS RRset
	DS=62866/SHA-256 is now in the chain-of-trust
	`umbc.edu. 86400 IN DS ( 62866 5 2 128db54504131167804e3e42e51235f5a5cc82697db90ebeabf13725dfbc1987 )`
	Query to dnsexternal3.umbc.edu for umbc.edu/DNSKEY
	Received 933 bytes from 3.84.138.22
	;; Response received from [3.84.138.22] 933 octets ;; HEADER SECTION ;; id = 37617 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 4 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; umbc.edu. IN DNSKEY ;; ANSWER SECTION (4 records) UMBC.EDU. 86400 IN DNSKEY ( 256 3 5 AwEAAbWdL5rLdHqYVNtfiqI2C767XaXzG4wg0p8q+HboF/42Ri0CvRHwkPh6pnh81JGp45dIEY/s i8gBhr6IaZ/Eik+VybWm7+Xh0zje61IFV4yEw969Ikgyk0N8w+PUrQqeCbtY4jTrYhp9oHNTHCqu v9Osyh6eRK/Gz9++TBUSu+vf ) ; keytag 645 UMBC.EDU. 86400 IN DNSKEY ( 257 3 5 AwEAAe8OT/MZSf+sSY/tEXgitV4dFRVh0WySo2ViiMXkD8EWOJlbQNH4aYaiw6Y09C0cDj6RVBa+ fgJAIEJYxfxEgOvFYGfZ8I8LQwDSTYUtOhSAEGA8OOun9TtcehMl0+xfy0uIbuSwq8YMyEJhM02l wkt+uXiz+yv+aNlDkVFk4AMXBVFRbe/YgpKcHk8+bdcbZKDlGYp4lBNFOPiBo+Uxbt1AmKLljFSJ F6KBdBCkfQjdCrPcwFniz30vMfTHGVgKNYAe2P6QOzW60O0jK+gQkXZ3oWE2o96O2scieNQm+MBx LYtTNtZjTKUfuyL3Q0x6lR6ilyTE+rVyyMhxLmDFB4U= ) ; keytag 62866 UMBC.EDU. 86400 IN RRSIG ( DNSKEY 5 2 86400 20250730231414 20250630221554 645 umbc.edu. Wd+e/lz9bx/CxKL+d7kPYObScezOjsyBB1AfnKqcNDb1QQlxvaQkx2SqF6RKWt9Hd6HxFI8ljhEH eOVicmmiCT34FODrelkSvp4afm4PFQe7z3LFhnDrIDlt3E5XVUN2aNVRHIc+4fmjJJ5L6yFppDHE qcEGsI/Vtq+pMA+WlmE= ) UMBC.EDU. 86400 IN RRSIG ( DNSKEY 5 2 86400 20250730231414 20250630221554 62866 umbc.edu. JonZY6O59+nhUxW8eRd08BVk3ChLA4BI6Jhe31jqiZLgc6qMOVY0LUmTj8xICgUESCDpiG7Ro9Jh Md0bJEpKbHblGbquxSh0/RP3L3SddHlRWDCe0O6WGvN0HifKT9siLw0AJd00K5e+UGb7lRbp9k8c Qqunc6BPY5UmPqS4gbQ2Yh5oQRBgfkGDyiYgCKV7f5yz0tpwuBYk+DNx/OnAS6kWYFDaxFLt4gMI lykC62KF3QV335zFuOnESFD/bCBGsMqCJsIKGPj+oqVI786ZGDqXajS6rGjTx6/Sr73Q9mNGGGJf WCL7fG86prgFw+nVeizQw6MHCydl5rq1hlgvIA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 2 DNSKEY records for umbc.edu
	`UMBC.EDU. 86400 IN DNSKEY ( 256 3 5 AwEAAbWdL5rLdHqYVNtfiqI2C767XaXzG4wg0p8q+HboF/42Ri0CvRHwkPh6pnh81JGp45dIEY/s i8gBhr6IaZ/Eik+VybWm7+Xh0zje61IFV4yEw969Ikgyk0N8w+PUrQqeCbtY4jTrYhp9oHNTHCqu v9Osyh6eRK/Gz9++TBUSu+vf ) ; keytag 645`
	`UMBC.EDU. 86400 IN DNSKEY ( 257 3 5 AwEAAe8OT/MZSf+sSY/tEXgitV4dFRVh0WySo2ViiMXkD8EWOJlbQNH4aYaiw6Y09C0cDj6RVBa+ fgJAIEJYxfxEgOvFYGfZ8I8LQwDSTYUtOhSAEGA8OOun9TtcehMl0+xfy0uIbuSwq8YMyEJhM02l wkt+uXiz+yv+aNlDkVFk4AMXBVFRbe/YgpKcHk8+bdcbZKDlGYp4lBNFOPiBo+Uxbt1AmKLljFSJ F6KBdBCkfQjdCrPcwFniz30vMfTHGVgKNYAe2P6QOzW60O0jK+gQkXZ3oWE2o96O2scieNQm+MBx LYtTNtZjTKUfuyL3Q0x6lR6ilyTE+rVyyMhxLmDFB4U= ) ; keytag 62866`
	DNSKEY=62866/SEP is now in the chain-of-trust
	DS=62866/SHA-256 verifies DNSKEY=62866/SEP
	Found 2 RRSIGs over DNSKEY RRset
	`UMBC.EDU. 86400 IN RRSIG ( DNSKEY 5 2 86400 20250730231414 20250630221554 645 umbc.edu. Wd+e/lz9bx/CxKL+d7kPYObScezOjsyBB1AfnKqcNDb1QQlxvaQkx2SqF6RKWt9Hd6HxFI8ljhEH eOVicmmiCT34FODrelkSvp4afm4PFQe7z3LFhnDrIDlt3E5XVUN2aNVRHIc+4fmjJJ5L6yFppDHE qcEGsI/Vtq+pMA+WlmE= )`
	`UMBC.EDU. 86400 IN RRSIG ( DNSKEY 5 2 86400 20250730231414 20250630221554 62866 umbc.edu. JonZY6O59+nhUxW8eRd08BVk3ChLA4BI6Jhe31jqiZLgc6qMOVY0LUmTj8xICgUESCDpiG7Ro9Jh Md0bJEpKbHblGbquxSh0/RP3L3SddHlRWDCe0O6WGvN0HifKT9siLw0AJd00K5e+UGb7lRbp9k8c Qqunc6BPY5UmPqS4gbQ2Yh5oQRBgfkGDyiYgCKV7f5yz0tpwuBYk+DNx/OnAS6kWYFDaxFLt4gMI lykC62KF3QV335zFuOnESFD/bCBGsMqCJsIKGPj+oqVI786ZGDqXajS6rGjTx6/Sr73Q9mNGGGJf WCL7fG86prgFw+nVeizQw6MHCydl5rq1hlgvIA== )`
	RRSIG=645 and DNSKEY=645 verifies the DNSKEY RRset
	RRSIG=62866 and DNSKEY=62866/SEP verifies the DNSKEY RRset
	DNSKEY=645 is now in the chain-of-trust
	Query to dnsexternal.umbc.edu for umbc.edu/A
	Received 1095 bytes from 130.85.1.6
	;; Response received from [130.85.1.6] 1095 octets ;; HEADER SECTION ;; id = 32970 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 6 arcount = 11 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; umbc.edu. IN A ;; ANSWER SECTION (2 records) UMBC.EDU. 60 IN A 23.185.0.4 UMBC.EDU. 60 IN RRSIG ( A 5 2 60 20250726021904 20250626013235 645 umbc.edu. Y0t40AapGW4jZciBy7hLvVmGg+vawaeYc9XE2XxchWmmlUUsGobwJjXyo5BqgHBIhL9ZnNxx+gPP fcamcRNx92DftkIkAfOch+ZjaDD3jEOPBlOF1d3uAK59VFAaOabGXUGGcjyMgAMGm6mA+FkPUhf1 gKrLSyAP8Z2aM0/LQIM= ) ;; AUTHORITY SECTION (6 records) UMBC.EDU. 86400 IN NS dnsexternal.umbc.edu. UMBC.EDU. 86400 IN NS dnsexternal1.umbc.edu. UMBC.EDU. 86400 IN NS dnsexternal2.umbc.edu. UMBC.EDU. 86400 IN NS dnsexternal4.umbc.edu. UMBC.EDU. 86400 IN NS dnsexternal3.umbc.edu. UMBC.EDU. 86400 IN RRSIG ( NS 5 2 86400 20250718211713 20250618202013 645 umbc.edu. E6FCn8yR4m6O4Y8+yzD6EPlS1gRC2hzRkEfJTp5H7DFRTB8LXJa/PXved//4DGDJ23MfFtFVvMKC NhvK7gFZ7Cns7T6UXIE7KZZaZkuobrgp3QsrDc5fqi6ySOeFHY1WYwZHsf28BV3vPqxX2kvjz6FR BDOK8eoKnIzpCOkY060= ) ;; ADDITIONAL SECTION (11 records) dnsexternal.UMBC.EDU. 86400 IN A 130.85.1.6 dnsexternal1.UMBC.EDU. 86400 IN A 130.85.1.9 dnsexternal2.UMBC.EDU. 86400 IN A 130.85.1.11 dnsexternal3.UMBC.EDU. 86400 IN A 3.84.138.22 dnsexternal4.UMBC.EDU. 86400 IN A 3.235.211.84 dnsexternal.UMBC.EDU. 86400 IN AAAA 2620:0:5301:2::2:1 dnsexternal1.UMBC.EDU. 86400 IN AAAA 2620:0:5301:2::2:2 dnsexternal2.UMBC.EDU. 86400 IN AAAA 2620:0:5301:2::2:3 dnsexternal.UMBC.EDU. 86400 IN RRSIG ( A 5 3 86400 20250713082119 20250613080456 645 umbc.edu. e/u7B3rzYz6Z1hxkAyN0Za3nY4KcGemCa9BluSL3hko3Wq2KliDyo8qNb7yVoH2UqkvKDQj9Hh3C EoxUNTbPN87OLZY8I9VPMuJTkbLET5/np3TL1neLckVmCxGg/F+pBvNDHS5fO6X7JdxY7Y+faqez KDHv9VzXBEKa0qWWc2Y= ) dnsexternal.UMBC.EDU. 86400 IN RRSIG ( AAAA 5 3 86400 20250719022609 20250619022044 645 umbc.edu. NxSVj/Q/l2AD8Dvk5pHvirTscCTa/a7BCBZPyRZkw6hWgHDF9TPq9fQRB9CegSdhMg03JoG3hs5g CgvzeRGoYAi5t+eJZryIwvFHDoyWglqBOvI/tjxEh7uRnpMSNjs3M9YDOBxcz3vHkNxCemIh0mb1 D/6dArcHssmduUFfbh8= ) ;; { "EDNS-VERSION": 0 }
	dnsexternal.umbc.edu is authoritative for umbc.edu
	Found RRSIG signed by umbc.edu zone
	Query to dnsexternal4.umbc.edu for umbc.edu/SOA
	Received 1107 bytes from 3.235.211.84
	;; Response received from [3.235.211.84] 1107 octets ;; HEADER SECTION ;; id = 10598 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 6 arcount = 11 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; umbc.edu. IN SOA ;; ANSWER SECTION (2 records) UMBC.EDU. 86400 IN SOA ( UMBC10.UMBC.EDU. HOSTMASTER.UMBC.EDU. 2010309184 ;serial 10800 ;refresh 1800 ;retry 3600000 ;expire 21700 ;minimum ) UMBC.EDU. 86400 IN RRSIG ( SOA 5 2 86400 20250801042029 20250702032029 645 umbc.edu. ENGvQ1m4yOpidjEJVRmxC5LNaj8GJbiNUGpJSiuHCIlWw5nTwAaWbkM48eDZ9PdNrkLzTU3xV5kN bsRsKHNuwLaYltcL5HDfY8oyLsIHSmO21lKvxJzcXXBg3FwVrVyDVwVDZnFc/yMnRaV7hggjAcDu W3STWsdULpvmdZpzsak= ) ;; AUTHORITY SECTION (6 records) umbc.edu. 86400 IN NS dnsexternal3.umbc.edu. umbc.edu. 86400 IN NS dnsexternal.umbc.edu. umbc.edu. 86400 IN NS dnsexternal1.umbc.edu. umbc.edu. 86400 IN NS dnsexternal2.umbc.edu. umbc.edu. 86400 IN NS dnsexternal4.umbc.edu. UMBC.EDU. 86400 IN RRSIG ( NS 5 2 86400 20250718211713 20250618202013 645 umbc.edu. E6FCn8yR4m6O4Y8+yzD6EPlS1gRC2hzRkEfJTp5H7DFRTB8LXJa/PXved//4DGDJ23MfFtFVvMKC NhvK7gFZ7Cns7T6UXIE7KZZaZkuobrgp3QsrDc5fqi6ySOeFHY1WYwZHsf28BV3vPqxX2kvjz6FR BDOK8eoKnIzpCOkY060= ) ;; ADDITIONAL SECTION (11 records) dnsexternal.UMBC.EDU. 86400 IN A 130.85.1.6 dnsexternal1.UMBC.EDU. 86400 IN A 130.85.1.9 dnsexternal2.UMBC.EDU. 86400 IN A 130.85.1.11 dnsexternal3.umbc.edu. 86400 IN A 3.84.138.22 dnsexternal4.umbc.edu. 86400 IN A 3.235.211.84 dnsexternal.UMBC.EDU. 86400 IN AAAA 2620:0:5301:2::2:1 dnsexternal1.UMBC.EDU. 86400 IN AAAA 2620:0:5301:2::2:2 dnsexternal2.UMBC.EDU. 86400 IN AAAA 2620:0:5301:2::2:3 dnsexternal.UMBC.EDU. 86400 IN RRSIG ( A 5 3 86400 20250713082119 20250613080456 645 umbc.edu. e/u7B3rzYz6Z1hxkAyN0Za3nY4KcGemCa9BluSL3hko3Wq2KliDyo8qNb7yVoH2UqkvKDQj9Hh3C EoxUNTbPN87OLZY8I9VPMuJTkbLET5/np3TL1neLckVmCxGg/F+pBvNDHS5fO6X7JdxY7Y+faqez KDHv9VzXBEKa0qWWc2Y= ) dnsexternal.UMBC.EDU. 86400 IN RRSIG ( AAAA 5 3 86400 20250719022609 20250619022044 645 umbc.edu. NxSVj/Q/l2AD8Dvk5pHvirTscCTa/a7BCBZPyRZkw6hWgHDF9TPq9fQRB9CegSdhMg03JoG3hs5g CgvzeRGoYAi5t+eJZryIwvFHDoyWglqBOvI/tjxEh7uRnpMSNjs3M9YDOBxcz3vHkNxCemIh0mb1 D/6dArcHssmduUFfbh8= ) ;; { "EDNS-VERSION": 0 }
	Query to dnsexternal1.umbc.edu for umbc.edu/SOA
	Received 1133 bytes from 130.85.1.9
	;; Response received from [130.85.1.9] 1133 octets ;; HEADER SECTION ;; id = 16319 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 6 arcount = 11 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; umbc.edu. IN SOA ;; ANSWER SECTION (2 records) UMBC.EDU. 86400 IN SOA ( UMBC10.UMBC.EDU. HOSTMASTER.UMBC.EDU. 2010309184 ;serial 10800 ;refresh 1800 ;retry 3600000 ;expire 21700 ;minimum ) UMBC.EDU. 86400 IN RRSIG ( SOA 5 2 86400 20250801042029 20250702032029 645 umbc.edu. ENGvQ1m4yOpidjEJVRmxC5LNaj8GJbiNUGpJSiuHCIlWw5nTwAaWbkM48eDZ9PdNrkLzTU3xV5kN bsRsKHNuwLaYltcL5HDfY8oyLsIHSmO21lKvxJzcXXBg3FwVrVyDVwVDZnFc/yMnRaV7hggjAcDu W3STWsdULpvmdZpzsak= ) ;; AUTHORITY SECTION (6 records) UMBC.EDU. 86400 IN NS dnsexternal.umbc.edu. UMBC.EDU. 86400 IN NS dnsexternal4.umbc.edu. UMBC.EDU. 86400 IN NS dnsexternal3.umbc.edu. UMBC.EDU. 86400 IN NS dnsexternal1.umbc.edu. UMBC.EDU. 86400 IN NS dnsexternal2.umbc.edu. UMBC.EDU. 86400 IN RRSIG ( NS 5 2 86400 20250718211713 20250618202013 645 umbc.edu. E6FCn8yR4m6O4Y8+yzD6EPlS1gRC2hzRkEfJTp5H7DFRTB8LXJa/PXved//4DGDJ23MfFtFVvMKC NhvK7gFZ7Cns7T6UXIE7KZZaZkuobrgp3QsrDc5fqi6ySOeFHY1WYwZHsf28BV3vPqxX2kvjz6FR BDOK8eoKnIzpCOkY060= ) ;; ADDITIONAL SECTION (11 records) dnsexternal.UMBC.EDU. 86400 IN A 130.85.1.6 dnsexternal1.UMBC.EDU. 86400 IN A 130.85.1.9 dnsexternal2.UMBC.EDU. 86400 IN A 130.85.1.11 dnsexternal3.UMBC.EDU. 86400 IN A 3.84.138.22 dnsexternal4.UMBC.EDU. 86400 IN A 3.235.211.84 dnsexternal.UMBC.EDU. 86400 IN AAAA 2620:0:5301:2::2:1 dnsexternal1.UMBC.EDU. 86400 IN AAAA 2620:0:5301:2::2:2 dnsexternal2.UMBC.EDU. 86400 IN AAAA 2620:0:5301:2::2:3 dnsexternal.UMBC.EDU. 86400 IN RRSIG ( A 5 3 86400 20250713082119 20250613080456 645 umbc.edu. e/u7B3rzYz6Z1hxkAyN0Za3nY4KcGemCa9BluSL3hko3Wq2KliDyo8qNb7yVoH2UqkvKDQj9Hh3C EoxUNTbPN87OLZY8I9VPMuJTkbLET5/np3TL1neLckVmCxGg/F+pBvNDHS5fO6X7JdxY7Y+faqez KDHv9VzXBEKa0qWWc2Y= ) dnsexternal.UMBC.EDU. 86400 IN RRSIG ( AAAA 5 3 86400 20250719022609 20250619022044 645 umbc.edu. NxSVj/Q/l2AD8Dvk5pHvirTscCTa/a7BCBZPyRZkw6hWgHDF9TPq9fQRB9CegSdhMg03JoG3hs5g CgvzeRGoYAi5t+eJZryIwvFHDoyWglqBOvI/tjxEh7uRnpMSNjs3M9YDOBxcz3vHkNxCemIh0mb1 D/6dArcHssmduUFfbh8= ) ;; { "EDNS-VERSION": 0 }
	Query to dnsexternal2.umbc.edu for umbc.edu/SOA
	Received 1133 bytes from 130.85.1.11
	;; Response received from [130.85.1.11] 1133 octets ;; HEADER SECTION ;; id = 22301 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 6 arcount = 11 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; umbc.edu. IN SOA ;; ANSWER SECTION (2 records) UMBC.EDU. 86400 IN SOA ( UMBC10.UMBC.EDU. HOSTMASTER.UMBC.EDU. 2010309184 ;serial 10800 ;refresh 1800 ;retry 3600000 ;expire 21700 ;minimum ) UMBC.EDU. 86400 IN RRSIG ( SOA 5 2 86400 20250801042029 20250702032029 645 umbc.edu. ENGvQ1m4yOpidjEJVRmxC5LNaj8GJbiNUGpJSiuHCIlWw5nTwAaWbkM48eDZ9PdNrkLzTU3xV5kN bsRsKHNuwLaYltcL5HDfY8oyLsIHSmO21lKvxJzcXXBg3FwVrVyDVwVDZnFc/yMnRaV7hggjAcDu W3STWsdULpvmdZpzsak= ) ;; AUTHORITY SECTION (6 records) UMBC.EDU. 86400 IN NS dnsexternal2.umbc.edu. UMBC.EDU. 86400 IN NS dnsexternal3.umbc.edu. UMBC.EDU. 86400 IN NS dnsexternal1.umbc.edu. UMBC.EDU. 86400 IN NS dnsexternal.umbc.edu. UMBC.EDU. 86400 IN NS dnsexternal4.umbc.edu. UMBC.EDU. 86400 IN RRSIG ( NS 5 2 86400 20250718211713 20250618202013 645 umbc.edu. E6FCn8yR4m6O4Y8+yzD6EPlS1gRC2hzRkEfJTp5H7DFRTB8LXJa/PXved//4DGDJ23MfFtFVvMKC NhvK7gFZ7Cns7T6UXIE7KZZaZkuobrgp3QsrDc5fqi6ySOeFHY1WYwZHsf28BV3vPqxX2kvjz6FR BDOK8eoKnIzpCOkY060= ) ;; ADDITIONAL SECTION (11 records) dnsexternal.UMBC.EDU. 86400 IN A 130.85.1.6 dnsexternal1.UMBC.EDU. 86400 IN A 130.85.1.9 dnsexternal2.UMBC.EDU. 86400 IN A 130.85.1.11 dnsexternal3.UMBC.EDU. 86400 IN A 3.84.138.22 dnsexternal4.UMBC.EDU. 86400 IN A 3.235.211.84 dnsexternal.UMBC.EDU. 86400 IN AAAA 2620:0:5301:2::2:1 dnsexternal1.UMBC.EDU. 86400 IN AAAA 2620:0:5301:2::2:2 dnsexternal2.UMBC.EDU. 86400 IN AAAA 2620:0:5301:2::2:3 dnsexternal.UMBC.EDU. 86400 IN RRSIG ( A 5 3 86400 20250713082119 20250613080456 645 umbc.edu. e/u7B3rzYz6Z1hxkAyN0Za3nY4KcGemCa9BluSL3hko3Wq2KliDyo8qNb7yVoH2UqkvKDQj9Hh3C EoxUNTbPN87OLZY8I9VPMuJTkbLET5/np3TL1neLckVmCxGg/F+pBvNDHS5fO6X7JdxY7Y+faqez KDHv9VzXBEKa0qWWc2Y= ) dnsexternal.UMBC.EDU. 86400 IN RRSIG ( AAAA 5 3 86400 20250719022609 20250619022044 645 umbc.edu. NxSVj/Q/l2AD8Dvk5pHvirTscCTa/a7BCBZPyRZkw6hWgHDF9TPq9fQRB9CegSdhMg03JoG3hs5g CgvzeRGoYAi5t+eJZryIwvFHDoyWglqBOvI/tjxEh7uRnpMSNjs3M9YDOBxcz3vHkNxCemIh0mb1 D/6dArcHssmduUFfbh8= ) ;; { "EDNS-VERSION": 0 }
	Query to dnsexternal3.umbc.edu for umbc.edu/SOA
	Received 1107 bytes from 3.84.138.22
	;; Response received from [3.84.138.22] 1107 octets ;; HEADER SECTION ;; id = 53629 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 6 arcount = 11 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; umbc.edu. IN SOA ;; ANSWER SECTION (2 records) UMBC.EDU. 86400 IN SOA ( UMBC10.UMBC.EDU. HOSTMASTER.UMBC.EDU. 2010309184 ;serial 10800 ;refresh 1800 ;retry 3600000 ;expire 21700 ;minimum ) UMBC.EDU. 86400 IN RRSIG ( SOA 5 2 86400 20250801042029 20250702032029 645 umbc.edu. ENGvQ1m4yOpidjEJVRmxC5LNaj8GJbiNUGpJSiuHCIlWw5nTwAaWbkM48eDZ9PdNrkLzTU3xV5kN bsRsKHNuwLaYltcL5HDfY8oyLsIHSmO21lKvxJzcXXBg3FwVrVyDVwVDZnFc/yMnRaV7hggjAcDu W3STWsdULpvmdZpzsak= ) ;; AUTHORITY SECTION (6 records) umbc.edu. 86400 IN NS dnsexternal2.umbc.edu. umbc.edu. 86400 IN NS dnsexternal1.umbc.edu. umbc.edu. 86400 IN NS dnsexternal.umbc.edu. umbc.edu. 86400 IN NS dnsexternal3.umbc.edu. umbc.edu. 86400 IN NS dnsexternal4.umbc.edu. UMBC.EDU. 86400 IN RRSIG ( NS 5 2 86400 20250718211713 20250618202013 645 umbc.edu. E6FCn8yR4m6O4Y8+yzD6EPlS1gRC2hzRkEfJTp5H7DFRTB8LXJa/PXved//4DGDJ23MfFtFVvMKC NhvK7gFZ7Cns7T6UXIE7KZZaZkuobrgp3QsrDc5fqi6ySOeFHY1WYwZHsf28BV3vPqxX2kvjz6FR BDOK8eoKnIzpCOkY060= ) ;; ADDITIONAL SECTION (11 records) dnsexternal.UMBC.EDU. 86400 IN A 130.85.1.6 dnsexternal1.UMBC.EDU. 86400 IN A 130.85.1.9 dnsexternal2.UMBC.EDU. 86400 IN A 130.85.1.11 dnsexternal3.umbc.edu. 86400 IN A 3.84.138.22 dnsexternal4.umbc.edu. 86400 IN A 3.235.211.84 dnsexternal.UMBC.EDU. 86400 IN AAAA 2620:0:5301:2::2:1 dnsexternal1.UMBC.EDU. 86400 IN AAAA 2620:0:5301:2::2:2 dnsexternal2.UMBC.EDU. 86400 IN AAAA 2620:0:5301:2::2:3 dnsexternal.UMBC.EDU. 86400 IN RRSIG ( A 5 3 86400 20250713082119 20250613080456 645 umbc.edu. e/u7B3rzYz6Z1hxkAyN0Za3nY4KcGemCa9BluSL3hko3Wq2KliDyo8qNb7yVoH2UqkvKDQj9Hh3C EoxUNTbPN87OLZY8I9VPMuJTkbLET5/np3TL1neLckVmCxGg/F+pBvNDHS5fO6X7JdxY7Y+faqez KDHv9VzXBEKa0qWWc2Y= ) dnsexternal.UMBC.EDU. 86400 IN RRSIG ( AAAA 5 3 86400 20250719022609 20250619022044 645 umbc.edu. NxSVj/Q/l2AD8Dvk5pHvirTscCTa/a7BCBZPyRZkw6hWgHDF9TPq9fQRB9CegSdhMg03JoG3hs5g CgvzeRGoYAi5t+eJZryIwvFHDoyWglqBOvI/tjxEh7uRnpMSNjs3M9YDOBxcz3vHkNxCemIh0mb1 D/6dArcHssmduUFfbh8= ) ;; { "EDNS-VERSION": 0 }
	Query to dnsexternal.umbc.edu for umbc.edu/A
	Received 1095 bytes from 130.85.1.6
	;; Response received from [130.85.1.6] 1095 octets ;; HEADER SECTION ;; id = 7981 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 6 arcount = 11 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; umbc.edu. IN A ;; ANSWER SECTION (2 records) UMBC.EDU. 60 IN A 23.185.0.4 UMBC.EDU. 60 IN RRSIG ( A 5 2 60 20250726021904 20250626013235 645 umbc.edu. Y0t40AapGW4jZciBy7hLvVmGg+vawaeYc9XE2XxchWmmlUUsGobwJjXyo5BqgHBIhL9ZnNxx+gPP fcamcRNx92DftkIkAfOch+ZjaDD3jEOPBlOF1d3uAK59VFAaOabGXUGGcjyMgAMGm6mA+FkPUhf1 gKrLSyAP8Z2aM0/LQIM= ) ;; AUTHORITY SECTION (6 records) UMBC.EDU. 86400 IN NS dnsexternal.umbc.edu. UMBC.EDU. 86400 IN NS dnsexternal4.umbc.edu. UMBC.EDU. 86400 IN NS dnsexternal1.umbc.edu. UMBC.EDU. 86400 IN NS dnsexternal3.umbc.edu. UMBC.EDU. 86400 IN NS dnsexternal2.umbc.edu. UMBC.EDU. 86400 IN RRSIG ( NS 5 2 86400 20250718211713 20250618202013 645 umbc.edu. E6FCn8yR4m6O4Y8+yzD6EPlS1gRC2hzRkEfJTp5H7DFRTB8LXJa/PXved//4DGDJ23MfFtFVvMKC NhvK7gFZ7Cns7T6UXIE7KZZaZkuobrgp3QsrDc5fqi6ySOeFHY1WYwZHsf28BV3vPqxX2kvjz6FR BDOK8eoKnIzpCOkY060= ) ;; ADDITIONAL SECTION (11 records) dnsexternal.UMBC.EDU. 86400 IN A 130.85.1.6 dnsexternal1.UMBC.EDU. 86400 IN A 130.85.1.9 dnsexternal2.UMBC.EDU. 86400 IN A 130.85.1.11 dnsexternal3.UMBC.EDU. 86400 IN A 3.84.138.22 dnsexternal4.UMBC.EDU. 86400 IN A 3.235.211.84 dnsexternal.UMBC.EDU. 86400 IN AAAA 2620:0:5301:2::2:1 dnsexternal1.UMBC.EDU. 86400 IN AAAA 2620:0:5301:2::2:2 dnsexternal2.UMBC.EDU. 86400 IN AAAA 2620:0:5301:2::2:3 dnsexternal.UMBC.EDU. 86400 IN RRSIG ( A 5 3 86400 20250713082119 20250613080456 645 umbc.edu. e/u7B3rzYz6Z1hxkAyN0Za3nY4KcGemCa9BluSL3hko3Wq2KliDyo8qNb7yVoH2UqkvKDQj9Hh3C EoxUNTbPN87OLZY8I9VPMuJTkbLET5/np3TL1neLckVmCxGg/F+pBvNDHS5fO6X7JdxY7Y+faqez KDHv9VzXBEKa0qWWc2Y= ) dnsexternal.UMBC.EDU. 86400 IN RRSIG ( AAAA 5 3 86400 20250719022609 20250619022044 645 umbc.edu. NxSVj/Q/l2AD8Dvk5pHvirTscCTa/a7BCBZPyRZkw6hWgHDF9TPq9fQRB9CegSdhMg03JoG3hs5g CgvzeRGoYAi5t+eJZryIwvFHDoyWglqBOvI/tjxEh7uRnpMSNjs3M9YDOBxcz3vHkNxCemIh0mb1 D/6dArcHssmduUFfbh8= ) ;; { "EDNS-VERSION": 0 }
	umbc.edu A RR has value 23.185.0.4
	Found 1 RRSIGs over A RRset
	`UMBC.EDU. 60 IN RRSIG ( A 5 2 60 20250726021904 20250626013235 645 umbc.edu. Y0t40AapGW4jZciBy7hLvVmGg+vawaeYc9XE2XxchWmmlUUsGobwJjXyo5BqgHBIhL9ZnNxx+gPP fcamcRNx92DftkIkAfOch+ZjaDD3jEOPBlOF1d3uAK59VFAaOabGXUGGcjyMgAMGm6mA+FkPUhf1 gKrLSyAP8Z2aM0/LQIM= )`
	RRSIG=645 and DNSKEY=645 verifies the A RRset

umbc.edu

	Query to dnsexternal4.umbc.edu for umbc.edu/A
	Received 1069 bytes from 3.235.211.84
	;; Response received from [3.235.211.84] 1069 octets ;; HEADER SECTION ;; id = 45110 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 6 arcount = 11 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; umbc.edu. IN A ;; ANSWER SECTION (2 records) UMBC.EDU. 60 IN A 23.185.0.4 UMBC.EDU. 60 IN RRSIG ( A 5 2 60 20250726021904 20250626013235 645 umbc.edu. Y0t40AapGW4jZciBy7hLvVmGg+vawaeYc9XE2XxchWmmlUUsGobwJjXyo5BqgHBIhL9ZnNxx+gPP fcamcRNx92DftkIkAfOch+ZjaDD3jEOPBlOF1d3uAK59VFAaOabGXUGGcjyMgAMGm6mA+FkPUhf1 gKrLSyAP8Z2aM0/LQIM= ) ;; AUTHORITY SECTION (6 records) umbc.edu. 86400 IN NS dnsexternal4.umbc.edu. umbc.edu. 86400 IN NS dnsexternal2.umbc.edu. umbc.edu. 86400 IN NS dnsexternal1.umbc.edu. umbc.edu. 86400 IN NS dnsexternal.umbc.edu. umbc.edu. 86400 IN NS dnsexternal3.umbc.edu. UMBC.EDU. 86400 IN RRSIG ( NS 5 2 86400 20250718211713 20250618202013 645 umbc.edu. E6FCn8yR4m6O4Y8+yzD6EPlS1gRC2hzRkEfJTp5H7DFRTB8LXJa/PXved//4DGDJ23MfFtFVvMKC NhvK7gFZ7Cns7T6UXIE7KZZaZkuobrgp3QsrDc5fqi6ySOeFHY1WYwZHsf28BV3vPqxX2kvjz6FR BDOK8eoKnIzpCOkY060= ) ;; ADDITIONAL SECTION (11 records) dnsexternal.UMBC.EDU. 86400 IN A 130.85.1.6 dnsexternal1.UMBC.EDU. 86400 IN A 130.85.1.9 dnsexternal2.UMBC.EDU. 86400 IN A 130.85.1.11 dnsexternal3.umbc.edu. 86400 IN A 3.84.138.22 dnsexternal4.umbc.edu. 86400 IN A 3.235.211.84 dnsexternal.UMBC.EDU. 86400 IN AAAA 2620:0:5301:2::2:1 dnsexternal1.UMBC.EDU. 86400 IN AAAA 2620:0:5301:2::2:2 dnsexternal2.UMBC.EDU. 86400 IN AAAA 2620:0:5301:2::2:3 dnsexternal.UMBC.EDU. 86400 IN RRSIG ( A 5 3 86400 20250713082119 20250613080456 645 umbc.edu. e/u7B3rzYz6Z1hxkAyN0Za3nY4KcGemCa9BluSL3hko3Wq2KliDyo8qNb7yVoH2UqkvKDQj9Hh3C EoxUNTbPN87OLZY8I9VPMuJTkbLET5/np3TL1neLckVmCxGg/F+pBvNDHS5fO6X7JdxY7Y+faqez KDHv9VzXBEKa0qWWc2Y= ) dnsexternal.UMBC.EDU. 86400 IN RRSIG ( AAAA 5 3 86400 20250719022609 20250619022044 645 umbc.edu. NxSVj/Q/l2AD8Dvk5pHvirTscCTa/a7BCBZPyRZkw6hWgHDF9TPq9fQRB9CegSdhMg03JoG3hs5g CgvzeRGoYAi5t+eJZryIwvFHDoyWglqBOvI/tjxEh7uRnpMSNjs3M9YDOBxcz3vHkNxCemIh0mb1 D/6dArcHssmduUFfbh8= ) ;; { "EDNS-VERSION": 0 }
	dnsexternal4.umbc.edu is authoritative for umbc.edu
	Found RRSIG signed by umbc.edu zone
	Query to dnsexternal4.umbc.edu for umbc.edu/A
	Received 1069 bytes from 3.235.211.84
	;; Response received from [3.235.211.84] 1069 octets ;; HEADER SECTION ;; id = 45652 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 6 arcount = 11 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; umbc.edu. IN A ;; ANSWER SECTION (2 records) UMBC.EDU. 60 IN A 23.185.0.4 UMBC.EDU. 60 IN RRSIG ( A 5 2 60 20250726021904 20250626013235 645 umbc.edu. Y0t40AapGW4jZciBy7hLvVmGg+vawaeYc9XE2XxchWmmlUUsGobwJjXyo5BqgHBIhL9ZnNxx+gPP fcamcRNx92DftkIkAfOch+ZjaDD3jEOPBlOF1d3uAK59VFAaOabGXUGGcjyMgAMGm6mA+FkPUhf1 gKrLSyAP8Z2aM0/LQIM= ) ;; AUTHORITY SECTION (6 records) umbc.edu. 86400 IN NS dnsexternal3.umbc.edu. umbc.edu. 86400 IN NS dnsexternal2.umbc.edu. umbc.edu. 86400 IN NS dnsexternal.umbc.edu. umbc.edu. 86400 IN NS dnsexternal4.umbc.edu. umbc.edu. 86400 IN NS dnsexternal1.umbc.edu. UMBC.EDU. 86400 IN RRSIG ( NS 5 2 86400 20250718211713 20250618202013 645 umbc.edu. E6FCn8yR4m6O4Y8+yzD6EPlS1gRC2hzRkEfJTp5H7DFRTB8LXJa/PXved//4DGDJ23MfFtFVvMKC NhvK7gFZ7Cns7T6UXIE7KZZaZkuobrgp3QsrDc5fqi6ySOeFHY1WYwZHsf28BV3vPqxX2kvjz6FR BDOK8eoKnIzpCOkY060= ) ;; ADDITIONAL SECTION (11 records) dnsexternal.UMBC.EDU. 86400 IN A 130.85.1.6 dnsexternal1.UMBC.EDU. 86400 IN A 130.85.1.9 dnsexternal2.UMBC.EDU. 86400 IN A 130.85.1.11 dnsexternal3.umbc.edu. 86400 IN A 3.84.138.22 dnsexternal4.umbc.edu. 86400 IN A 3.235.211.84 dnsexternal.UMBC.EDU. 86400 IN AAAA 2620:0:5301:2::2:1 dnsexternal1.UMBC.EDU. 86400 IN AAAA 2620:0:5301:2::2:2 dnsexternal2.UMBC.EDU. 86400 IN AAAA 2620:0:5301:2::2:3 dnsexternal.UMBC.EDU. 86400 IN RRSIG ( A 5 3 86400 20250713082119 20250613080456 645 umbc.edu. e/u7B3rzYz6Z1hxkAyN0Za3nY4KcGemCa9BluSL3hko3Wq2KliDyo8qNb7yVoH2UqkvKDQj9Hh3C EoxUNTbPN87OLZY8I9VPMuJTkbLET5/np3TL1neLckVmCxGg/F+pBvNDHS5fO6X7JdxY7Y+faqez KDHv9VzXBEKa0qWWc2Y= ) dnsexternal.UMBC.EDU. 86400 IN RRSIG ( AAAA 5 3 86400 20250719022609 20250619022044 645 umbc.edu. NxSVj/Q/l2AD8Dvk5pHvirTscCTa/a7BCBZPyRZkw6hWgHDF9TPq9fQRB9CegSdhMg03JoG3hs5g CgvzeRGoYAi5t+eJZryIwvFHDoyWglqBOvI/tjxEh7uRnpMSNjs3M9YDOBxcz3vHkNxCemIh0mb1 D/6dArcHssmduUFfbh8= ) ;; { "EDNS-VERSION": 0 }
	umbc.edu A RR has value 23.185.0.4
	Found 1 RRSIGs over A RRset
	`UMBC.EDU. 60 IN RRSIG ( A 5 2 60 20250726021904 20250626013235 645 umbc.edu. Y0t40AapGW4jZciBy7hLvVmGg+vawaeYc9XE2XxchWmmlUUsGobwJjXyo5BqgHBIhL9ZnNxx+gPP fcamcRNx92DftkIkAfOch+ZjaDD3jEOPBlOF1d3uAK59VFAaOabGXUGGcjyMgAMGm6mA+FkPUhf1 gKrLSyAP8Z2aM0/LQIM= )`
	RRSIG=645 and DNSKEY=645 verifies the A RRset

umbc.edu

	Query to dnsexternal1.umbc.edu for umbc.edu/A
	Received 1095 bytes from 130.85.1.9
	;; Response received from [130.85.1.9] 1095 octets ;; HEADER SECTION ;; id = 50223 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 6 arcount = 11 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; umbc.edu. IN A ;; ANSWER SECTION (2 records) UMBC.EDU. 60 IN A 23.185.0.4 UMBC.EDU. 60 IN RRSIG ( A 5 2 60 20250726021904 20250626013235 645 umbc.edu. Y0t40AapGW4jZciBy7hLvVmGg+vawaeYc9XE2XxchWmmlUUsGobwJjXyo5BqgHBIhL9ZnNxx+gPP fcamcRNx92DftkIkAfOch+ZjaDD3jEOPBlOF1d3uAK59VFAaOabGXUGGcjyMgAMGm6mA+FkPUhf1 gKrLSyAP8Z2aM0/LQIM= ) ;; AUTHORITY SECTION (6 records) UMBC.EDU. 86400 IN NS dnsexternal1.umbc.edu. UMBC.EDU. 86400 IN NS dnsexternal3.umbc.edu. UMBC.EDU. 86400 IN NS dnsexternal2.umbc.edu. UMBC.EDU. 86400 IN NS dnsexternal4.umbc.edu. UMBC.EDU. 86400 IN NS dnsexternal.umbc.edu. UMBC.EDU. 86400 IN RRSIG ( NS 5 2 86400 20250718211713 20250618202013 645 umbc.edu. E6FCn8yR4m6O4Y8+yzD6EPlS1gRC2hzRkEfJTp5H7DFRTB8LXJa/PXved//4DGDJ23MfFtFVvMKC NhvK7gFZ7Cns7T6UXIE7KZZaZkuobrgp3QsrDc5fqi6ySOeFHY1WYwZHsf28BV3vPqxX2kvjz6FR BDOK8eoKnIzpCOkY060= ) ;; ADDITIONAL SECTION (11 records) dnsexternal.UMBC.EDU. 86400 IN A 130.85.1.6 dnsexternal1.UMBC.EDU. 86400 IN A 130.85.1.9 dnsexternal2.UMBC.EDU. 86400 IN A 130.85.1.11 dnsexternal3.UMBC.EDU. 86400 IN A 3.84.138.22 dnsexternal4.UMBC.EDU. 86400 IN A 3.235.211.84 dnsexternal.UMBC.EDU. 86400 IN AAAA 2620:0:5301:2::2:1 dnsexternal1.UMBC.EDU. 86400 IN AAAA 2620:0:5301:2::2:2 dnsexternal2.UMBC.EDU. 86400 IN AAAA 2620:0:5301:2::2:3 dnsexternal.UMBC.EDU. 86400 IN RRSIG ( A 5 3 86400 20250713082119 20250613080456 645 umbc.edu. e/u7B3rzYz6Z1hxkAyN0Za3nY4KcGemCa9BluSL3hko3Wq2KliDyo8qNb7yVoH2UqkvKDQj9Hh3C EoxUNTbPN87OLZY8I9VPMuJTkbLET5/np3TL1neLckVmCxGg/F+pBvNDHS5fO6X7JdxY7Y+faqez KDHv9VzXBEKa0qWWc2Y= ) dnsexternal.UMBC.EDU. 86400 IN RRSIG ( AAAA 5 3 86400 20250719022609 20250619022044 645 umbc.edu. NxSVj/Q/l2AD8Dvk5pHvirTscCTa/a7BCBZPyRZkw6hWgHDF9TPq9fQRB9CegSdhMg03JoG3hs5g CgvzeRGoYAi5t+eJZryIwvFHDoyWglqBOvI/tjxEh7uRnpMSNjs3M9YDOBxcz3vHkNxCemIh0mb1 D/6dArcHssmduUFfbh8= ) ;; { "EDNS-VERSION": 0 }
	dnsexternal1.umbc.edu is authoritative for umbc.edu
	Found RRSIG signed by umbc.edu zone
	Query to dnsexternal1.umbc.edu for umbc.edu/A
	Received 1095 bytes from 130.85.1.9
	;; Response received from [130.85.1.9] 1095 octets ;; HEADER SECTION ;; id = 18110 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 6 arcount = 11 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; umbc.edu. IN A ;; ANSWER SECTION (2 records) UMBC.EDU. 60 IN A 23.185.0.4 UMBC.EDU. 60 IN RRSIG ( A 5 2 60 20250726021904 20250626013235 645 umbc.edu. Y0t40AapGW4jZciBy7hLvVmGg+vawaeYc9XE2XxchWmmlUUsGobwJjXyo5BqgHBIhL9ZnNxx+gPP fcamcRNx92DftkIkAfOch+ZjaDD3jEOPBlOF1d3uAK59VFAaOabGXUGGcjyMgAMGm6mA+FkPUhf1 gKrLSyAP8Z2aM0/LQIM= ) ;; AUTHORITY SECTION (6 records) UMBC.EDU. 86400 IN NS dnsexternal2.umbc.edu. UMBC.EDU. 86400 IN NS dnsexternal1.umbc.edu. UMBC.EDU. 86400 IN NS dnsexternal4.umbc.edu. UMBC.EDU. 86400 IN NS dnsexternal.umbc.edu. UMBC.EDU. 86400 IN NS dnsexternal3.umbc.edu. UMBC.EDU. 86400 IN RRSIG ( NS 5 2 86400 20250718211713 20250618202013 645 umbc.edu. E6FCn8yR4m6O4Y8+yzD6EPlS1gRC2hzRkEfJTp5H7DFRTB8LXJa/PXved//4DGDJ23MfFtFVvMKC NhvK7gFZ7Cns7T6UXIE7KZZaZkuobrgp3QsrDc5fqi6ySOeFHY1WYwZHsf28BV3vPqxX2kvjz6FR BDOK8eoKnIzpCOkY060= ) ;; ADDITIONAL SECTION (11 records) dnsexternal.UMBC.EDU. 86400 IN A 130.85.1.6 dnsexternal1.UMBC.EDU. 86400 IN A 130.85.1.9 dnsexternal2.UMBC.EDU. 86400 IN A 130.85.1.11 dnsexternal3.UMBC.EDU. 86400 IN A 3.84.138.22 dnsexternal4.UMBC.EDU. 86400 IN A 3.235.211.84 dnsexternal.UMBC.EDU. 86400 IN AAAA 2620:0:5301:2::2:1 dnsexternal1.UMBC.EDU. 86400 IN AAAA 2620:0:5301:2::2:2 dnsexternal2.UMBC.EDU. 86400 IN AAAA 2620:0:5301:2::2:3 dnsexternal.UMBC.EDU. 86400 IN RRSIG ( A 5 3 86400 20250713082119 20250613080456 645 umbc.edu. e/u7B3rzYz6Z1hxkAyN0Za3nY4KcGemCa9BluSL3hko3Wq2KliDyo8qNb7yVoH2UqkvKDQj9Hh3C EoxUNTbPN87OLZY8I9VPMuJTkbLET5/np3TL1neLckVmCxGg/F+pBvNDHS5fO6X7JdxY7Y+faqez KDHv9VzXBEKa0qWWc2Y= ) dnsexternal.UMBC.EDU. 86400 IN RRSIG ( AAAA 5 3 86400 20250719022609 20250619022044 645 umbc.edu. NxSVj/Q/l2AD8Dvk5pHvirTscCTa/a7BCBZPyRZkw6hWgHDF9TPq9fQRB9CegSdhMg03JoG3hs5g CgvzeRGoYAi5t+eJZryIwvFHDoyWglqBOvI/tjxEh7uRnpMSNjs3M9YDOBxcz3vHkNxCemIh0mb1 D/6dArcHssmduUFfbh8= ) ;; { "EDNS-VERSION": 0 }
	umbc.edu A RR has value 23.185.0.4
	Found 1 RRSIGs over A RRset
	`UMBC.EDU. 60 IN RRSIG ( A 5 2 60 20250726021904 20250626013235 645 umbc.edu. Y0t40AapGW4jZciBy7hLvVmGg+vawaeYc9XE2XxchWmmlUUsGobwJjXyo5BqgHBIhL9ZnNxx+gPP fcamcRNx92DftkIkAfOch+ZjaDD3jEOPBlOF1d3uAK59VFAaOabGXUGGcjyMgAMGm6mA+FkPUhf1 gKrLSyAP8Z2aM0/LQIM= )`
	RRSIG=645 and DNSKEY=645 verifies the A RRset

umbc.edu

	Query to dnsexternal3.umbc.edu for umbc.edu/A
	Received 1069 bytes from 3.84.138.22
	;; Response received from [3.84.138.22] 1069 octets ;; HEADER SECTION ;; id = 6004 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 6 arcount = 11 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; umbc.edu. IN A ;; ANSWER SECTION (2 records) UMBC.EDU. 60 IN A 23.185.0.4 UMBC.EDU. 60 IN RRSIG ( A 5 2 60 20250726021904 20250626013235 645 umbc.edu. Y0t40AapGW4jZciBy7hLvVmGg+vawaeYc9XE2XxchWmmlUUsGobwJjXyo5BqgHBIhL9ZnNxx+gPP fcamcRNx92DftkIkAfOch+ZjaDD3jEOPBlOF1d3uAK59VFAaOabGXUGGcjyMgAMGm6mA+FkPUhf1 gKrLSyAP8Z2aM0/LQIM= ) ;; AUTHORITY SECTION (6 records) umbc.edu. 86400 IN NS dnsexternal3.umbc.edu. umbc.edu. 86400 IN NS dnsexternal1.umbc.edu. umbc.edu. 86400 IN NS dnsexternal4.umbc.edu. umbc.edu. 86400 IN NS dnsexternal.umbc.edu. umbc.edu. 86400 IN NS dnsexternal2.umbc.edu. UMBC.EDU. 86400 IN RRSIG ( NS 5 2 86400 20250718211713 20250618202013 645 umbc.edu. E6FCn8yR4m6O4Y8+yzD6EPlS1gRC2hzRkEfJTp5H7DFRTB8LXJa/PXved//4DGDJ23MfFtFVvMKC NhvK7gFZ7Cns7T6UXIE7KZZaZkuobrgp3QsrDc5fqi6ySOeFHY1WYwZHsf28BV3vPqxX2kvjz6FR BDOK8eoKnIzpCOkY060= ) ;; ADDITIONAL SECTION (11 records) dnsexternal.UMBC.EDU. 86400 IN A 130.85.1.6 dnsexternal1.UMBC.EDU. 86400 IN A 130.85.1.9 dnsexternal2.UMBC.EDU. 86400 IN A 130.85.1.11 dnsexternal3.umbc.edu. 86400 IN A 3.84.138.22 dnsexternal4.umbc.edu. 86400 IN A 3.235.211.84 dnsexternal.UMBC.EDU. 86400 IN AAAA 2620:0:5301:2::2:1 dnsexternal1.UMBC.EDU. 86400 IN AAAA 2620:0:5301:2::2:2 dnsexternal2.UMBC.EDU. 86400 IN AAAA 2620:0:5301:2::2:3 dnsexternal.UMBC.EDU. 86400 IN RRSIG ( A 5 3 86400 20250713082119 20250613080456 645 umbc.edu. e/u7B3rzYz6Z1hxkAyN0Za3nY4KcGemCa9BluSL3hko3Wq2KliDyo8qNb7yVoH2UqkvKDQj9Hh3C EoxUNTbPN87OLZY8I9VPMuJTkbLET5/np3TL1neLckVmCxGg/F+pBvNDHS5fO6X7JdxY7Y+faqez KDHv9VzXBEKa0qWWc2Y= ) dnsexternal.UMBC.EDU. 86400 IN RRSIG ( AAAA 5 3 86400 20250719022609 20250619022044 645 umbc.edu. NxSVj/Q/l2AD8Dvk5pHvirTscCTa/a7BCBZPyRZkw6hWgHDF9TPq9fQRB9CegSdhMg03JoG3hs5g CgvzeRGoYAi5t+eJZryIwvFHDoyWglqBOvI/tjxEh7uRnpMSNjs3M9YDOBxcz3vHkNxCemIh0mb1 D/6dArcHssmduUFfbh8= ) ;; { "EDNS-VERSION": 0 }
	dnsexternal3.umbc.edu is authoritative for umbc.edu
	Found RRSIG signed by umbc.edu zone
	Query to dnsexternal3.umbc.edu for umbc.edu/A
	Received 1069 bytes from 3.84.138.22
	;; Response received from [3.84.138.22] 1069 octets ;; HEADER SECTION ;; id = 32059 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 6 arcount = 11 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; umbc.edu. IN A ;; ANSWER SECTION (2 records) UMBC.EDU. 60 IN A 23.185.0.4 UMBC.EDU. 60 IN RRSIG ( A 5 2 60 20250726021904 20250626013235 645 umbc.edu. Y0t40AapGW4jZciBy7hLvVmGg+vawaeYc9XE2XxchWmmlUUsGobwJjXyo5BqgHBIhL9ZnNxx+gPP fcamcRNx92DftkIkAfOch+ZjaDD3jEOPBlOF1d3uAK59VFAaOabGXUGGcjyMgAMGm6mA+FkPUhf1 gKrLSyAP8Z2aM0/LQIM= ) ;; AUTHORITY SECTION (6 records) umbc.edu. 86400 IN NS dnsexternal.umbc.edu. umbc.edu. 86400 IN NS dnsexternal2.umbc.edu. umbc.edu. 86400 IN NS dnsexternal1.umbc.edu. umbc.edu. 86400 IN NS dnsexternal4.umbc.edu. umbc.edu. 86400 IN NS dnsexternal3.umbc.edu. UMBC.EDU. 86400 IN RRSIG ( NS 5 2 86400 20250718211713 20250618202013 645 umbc.edu. E6FCn8yR4m6O4Y8+yzD6EPlS1gRC2hzRkEfJTp5H7DFRTB8LXJa/PXved//4DGDJ23MfFtFVvMKC NhvK7gFZ7Cns7T6UXIE7KZZaZkuobrgp3QsrDc5fqi6ySOeFHY1WYwZHsf28BV3vPqxX2kvjz6FR BDOK8eoKnIzpCOkY060= ) ;; ADDITIONAL SECTION (11 records) dnsexternal.UMBC.EDU. 86400 IN A 130.85.1.6 dnsexternal1.UMBC.EDU. 86400 IN A 130.85.1.9 dnsexternal2.UMBC.EDU. 86400 IN A 130.85.1.11 dnsexternal3.umbc.edu. 86400 IN A 3.84.138.22 dnsexternal4.umbc.edu. 86400 IN A 3.235.211.84 dnsexternal.UMBC.EDU. 86400 IN AAAA 2620:0:5301:2::2:1 dnsexternal1.UMBC.EDU. 86400 IN AAAA 2620:0:5301:2::2:2 dnsexternal2.UMBC.EDU. 86400 IN AAAA 2620:0:5301:2::2:3 dnsexternal.UMBC.EDU. 86400 IN RRSIG ( A 5 3 86400 20250713082119 20250613080456 645 umbc.edu. e/u7B3rzYz6Z1hxkAyN0Za3nY4KcGemCa9BluSL3hko3Wq2KliDyo8qNb7yVoH2UqkvKDQj9Hh3C EoxUNTbPN87OLZY8I9VPMuJTkbLET5/np3TL1neLckVmCxGg/F+pBvNDHS5fO6X7JdxY7Y+faqez KDHv9VzXBEKa0qWWc2Y= ) dnsexternal.UMBC.EDU. 86400 IN RRSIG ( AAAA 5 3 86400 20250719022609 20250619022044 645 umbc.edu. NxSVj/Q/l2AD8Dvk5pHvirTscCTa/a7BCBZPyRZkw6hWgHDF9TPq9fQRB9CegSdhMg03JoG3hs5g CgvzeRGoYAi5t+eJZryIwvFHDoyWglqBOvI/tjxEh7uRnpMSNjs3M9YDOBxcz3vHkNxCemIh0mb1 D/6dArcHssmduUFfbh8= ) ;; { "EDNS-VERSION": 0 }
	umbc.edu A RR has value 23.185.0.4
	Found 1 RRSIGs over A RRset
	`UMBC.EDU. 60 IN RRSIG ( A 5 2 60 20250726021904 20250626013235 645 umbc.edu. Y0t40AapGW4jZciBy7hLvVmGg+vawaeYc9XE2XxchWmmlUUsGobwJjXyo5BqgHBIhL9ZnNxx+gPP fcamcRNx92DftkIkAfOch+ZjaDD3jEOPBlOF1d3uAK59VFAaOabGXUGGcjyMgAMGm6mA+FkPUhf1 gKrLSyAP8Z2aM0/LQIM= )`
	RRSIG=645 and DNSKEY=645 verifies the A RRset

umbc.edu

	Query to dnsexternal2.umbc.edu for umbc.edu/A
	Received 1095 bytes from 130.85.1.11
	;; Response received from [130.85.1.11] 1095 octets ;; HEADER SECTION ;; id = 14693 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 6 arcount = 11 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; umbc.edu. IN A ;; ANSWER SECTION (2 records) UMBC.EDU. 60 IN A 23.185.0.4 UMBC.EDU. 60 IN RRSIG ( A 5 2 60 20250726021904 20250626013235 645 umbc.edu. Y0t40AapGW4jZciBy7hLvVmGg+vawaeYc9XE2XxchWmmlUUsGobwJjXyo5BqgHBIhL9ZnNxx+gPP fcamcRNx92DftkIkAfOch+ZjaDD3jEOPBlOF1d3uAK59VFAaOabGXUGGcjyMgAMGm6mA+FkPUhf1 gKrLSyAP8Z2aM0/LQIM= ) ;; AUTHORITY SECTION (6 records) UMBC.EDU. 86400 IN NS dnsexternal1.umbc.edu. UMBC.EDU. 86400 IN NS dnsexternal4.umbc.edu. UMBC.EDU. 86400 IN NS dnsexternal.umbc.edu. UMBC.EDU. 86400 IN NS dnsexternal3.umbc.edu. UMBC.EDU. 86400 IN NS dnsexternal2.umbc.edu. UMBC.EDU. 86400 IN RRSIG ( NS 5 2 86400 20250718211713 20250618202013 645 umbc.edu. E6FCn8yR4m6O4Y8+yzD6EPlS1gRC2hzRkEfJTp5H7DFRTB8LXJa/PXved//4DGDJ23MfFtFVvMKC NhvK7gFZ7Cns7T6UXIE7KZZaZkuobrgp3QsrDc5fqi6ySOeFHY1WYwZHsf28BV3vPqxX2kvjz6FR BDOK8eoKnIzpCOkY060= ) ;; ADDITIONAL SECTION (11 records) dnsexternal.UMBC.EDU. 86400 IN A 130.85.1.6 dnsexternal1.UMBC.EDU. 86400 IN A 130.85.1.9 dnsexternal2.UMBC.EDU. 86400 IN A 130.85.1.11 dnsexternal3.UMBC.EDU. 86400 IN A 3.84.138.22 dnsexternal4.UMBC.EDU. 86400 IN A 3.235.211.84 dnsexternal.UMBC.EDU. 86400 IN AAAA 2620:0:5301:2::2:1 dnsexternal1.UMBC.EDU. 86400 IN AAAA 2620:0:5301:2::2:2 dnsexternal2.UMBC.EDU. 86400 IN AAAA 2620:0:5301:2::2:3 dnsexternal.UMBC.EDU. 86400 IN RRSIG ( A 5 3 86400 20250713082119 20250613080456 645 umbc.edu. e/u7B3rzYz6Z1hxkAyN0Za3nY4KcGemCa9BluSL3hko3Wq2KliDyo8qNb7yVoH2UqkvKDQj9Hh3C EoxUNTbPN87OLZY8I9VPMuJTkbLET5/np3TL1neLckVmCxGg/F+pBvNDHS5fO6X7JdxY7Y+faqez KDHv9VzXBEKa0qWWc2Y= ) dnsexternal.UMBC.EDU. 86400 IN RRSIG ( AAAA 5 3 86400 20250719022609 20250619022044 645 umbc.edu. NxSVj/Q/l2AD8Dvk5pHvirTscCTa/a7BCBZPyRZkw6hWgHDF9TPq9fQRB9CegSdhMg03JoG3hs5g CgvzeRGoYAi5t+eJZryIwvFHDoyWglqBOvI/tjxEh7uRnpMSNjs3M9YDOBxcz3vHkNxCemIh0mb1 D/6dArcHssmduUFfbh8= ) ;; { "EDNS-VERSION": 0 }
	dnsexternal2.umbc.edu is authoritative for umbc.edu
	Found RRSIG signed by umbc.edu zone
	Query to dnsexternal2.umbc.edu for umbc.edu/A
	Received 1095 bytes from 130.85.1.11
	;; Response received from [130.85.1.11] 1095 octets ;; HEADER SECTION ;; id = 11251 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 6 arcount = 11 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; umbc.edu. IN A ;; ANSWER SECTION (2 records) UMBC.EDU. 60 IN A 23.185.0.4 UMBC.EDU. 60 IN RRSIG ( A 5 2 60 20250726021904 20250626013235 645 umbc.edu. Y0t40AapGW4jZciBy7hLvVmGg+vawaeYc9XE2XxchWmmlUUsGobwJjXyo5BqgHBIhL9ZnNxx+gPP fcamcRNx92DftkIkAfOch+ZjaDD3jEOPBlOF1d3uAK59VFAaOabGXUGGcjyMgAMGm6mA+FkPUhf1 gKrLSyAP8Z2aM0/LQIM= ) ;; AUTHORITY SECTION (6 records) UMBC.EDU. 86400 IN NS dnsexternal4.umbc.edu. UMBC.EDU. 86400 IN NS dnsexternal1.umbc.edu. UMBC.EDU. 86400 IN NS dnsexternal.umbc.edu. UMBC.EDU. 86400 IN NS dnsexternal2.umbc.edu. UMBC.EDU. 86400 IN NS dnsexternal3.umbc.edu. UMBC.EDU. 86400 IN RRSIG ( NS 5 2 86400 20250718211713 20250618202013 645 umbc.edu. E6FCn8yR4m6O4Y8+yzD6EPlS1gRC2hzRkEfJTp5H7DFRTB8LXJa/PXved//4DGDJ23MfFtFVvMKC NhvK7gFZ7Cns7T6UXIE7KZZaZkuobrgp3QsrDc5fqi6ySOeFHY1WYwZHsf28BV3vPqxX2kvjz6FR BDOK8eoKnIzpCOkY060= ) ;; ADDITIONAL SECTION (11 records) dnsexternal.UMBC.EDU. 86400 IN A 130.85.1.6 dnsexternal1.UMBC.EDU. 86400 IN A 130.85.1.9 dnsexternal2.UMBC.EDU. 86400 IN A 130.85.1.11 dnsexternal3.UMBC.EDU. 86400 IN A 3.84.138.22 dnsexternal4.UMBC.EDU. 86400 IN A 3.235.211.84 dnsexternal.UMBC.EDU. 86400 IN AAAA 2620:0:5301:2::2:1 dnsexternal1.UMBC.EDU. 86400 IN AAAA 2620:0:5301:2::2:2 dnsexternal2.UMBC.EDU. 86400 IN AAAA 2620:0:5301:2::2:3 dnsexternal.UMBC.EDU. 86400 IN RRSIG ( A 5 3 86400 20250713082119 20250613080456 645 umbc.edu. e/u7B3rzYz6Z1hxkAyN0Za3nY4KcGemCa9BluSL3hko3Wq2KliDyo8qNb7yVoH2UqkvKDQj9Hh3C EoxUNTbPN87OLZY8I9VPMuJTkbLET5/np3TL1neLckVmCxGg/F+pBvNDHS5fO6X7JdxY7Y+faqez KDHv9VzXBEKa0qWWc2Y= ) dnsexternal.UMBC.EDU. 86400 IN RRSIG ( AAAA 5 3 86400 20250719022609 20250619022044 645 umbc.edu. NxSVj/Q/l2AD8Dvk5pHvirTscCTa/a7BCBZPyRZkw6hWgHDF9TPq9fQRB9CegSdhMg03JoG3hs5g CgvzeRGoYAi5t+eJZryIwvFHDoyWglqBOvI/tjxEh7uRnpMSNjs3M9YDOBxcz3vHkNxCemIh0mb1 D/6dArcHssmduUFfbh8= ) ;; { "EDNS-VERSION": 0 }
	umbc.edu A RR has value 23.185.0.4
	Found 1 RRSIGs over A RRset
	`UMBC.EDU. 60 IN RRSIG ( A 5 2 60 20250726021904 20250626013235 645 umbc.edu. Y0t40AapGW4jZciBy7hLvVmGg+vawaeYc9XE2XxchWmmlUUsGobwJjXyo5BqgHBIhL9ZnNxx+gPP fcamcRNx92DftkIkAfOch+ZjaDD3jEOPBlOF1d3uAK59VFAaOabGXUGGcjyMgAMGm6mA+FkPUhf1 gKrLSyAP8Z2aM0/LQIM= )`
	RRSIG=645 and DNSKEY=645 verifies the A RRset

Move your mouse over any or symbols for remediation hints.

Want a second opinion? Test umbc.edu at dnsviz.net.

DNSSEC Debugger

↓ Advanced options ↑ Advanced options

Trust Anchor:
Name Servers: