DNSSEC Debugger - umbc.edu

Domain Name:

Time: 2025-05-21 14:11:25 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 1141 bytes from 192.112.36.4
	;; Response received from [192.112.36.4] 1141 octets ;; HEADER SECTION ;; id = 64881 ;; 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) ;; . IN DNSKEY ;; ANSWER SECTION (4 records) . 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 AwEAAa96jeuknZlaeSrvyAJj6ZHv28hhOKkx3rLGXVaC6rXTsDc449/cidltpkyGwCJNnOAlFNKF 2jBosZBU5eeHspaQWOmOElZsjICMQMC3aeHbGiShvZsx4wMYSjH8e7Vrhbu6irwCzVBApESjbUdp WWmEnhathWu1jo+siFUiRAAxm9qyJNg/wOZqqzL/dL/q8PkcRU5oUKEpUge71M3ej2/7CPqpdVwu MoTvoB+ZOT4YeGyxMvHmbrxlFzGOHOijtzN+u1TQNatX2XBuzZNQ1K+s2CXkPIZo7s6JgZyvaBev YtxPvYLw4z9mR7K2vaF18UYH9Z9GNUUeayffKC73PYc= ) ; keytag 38696 . 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 20250611000000 20250521000000 20326 . ki8fK9M8rb/I+LSCC+6ZKil/CLh4jxV//8F/PDAFtzupjzeyCotFHL+Tm6kwL2wEOrZaz0a6rEba ZFhLGP+Z1XV0WJb45V0ajLFhU+IV4VCDVbzlXKQ3isrKymu8U7zrj3d/NoPbZAbxGkMfI56xv6Ev FvRYa9bjnIm0Id94ONqFclrlQTNEL25Nq+tDOH/Ro709M4j0NOcW5Ui6gIlILfsvEma+g+rHVMeJ N7Yu5FpOzaCvajJKdDGf4O3e1BI4UGrvxsLaZZGSUkeUifobG6FrTpewm9vDkU0kHfGKPqZurEuk mXcfCb/jevjBQhGG8HwoAQy4nS6IjWGfCjK3CQ== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 3 DNSKEY records for .
	`. 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 AwEAAa96jeuknZlaeSrvyAJj6ZHv28hhOKkx3rLGXVaC6rXTsDc449/cidltpkyGwCJNnOAlFNKF 2jBosZBU5eeHspaQWOmOElZsjICMQMC3aeHbGiShvZsx4wMYSjH8e7Vrhbu6irwCzVBApESjbUdp WWmEnhathWu1jo+siFUiRAAxm9qyJNg/wOZqqzL/dL/q8PkcRU5oUKEpUge71M3ej2/7CPqpdVwu MoTvoB+ZOT4YeGyxMvHmbrxlFzGOHOijtzN+u1TQNatX2XBuzZNQ1K+s2CXkPIZo7s6JgZyvaBev YtxPvYLw4z9mR7K2vaF18UYH9Z9GNUUeayffKC73PYc= ) ; keytag 38696`
	`. 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 20250611000000 20250521000000 20326 . ki8fK9M8rb/I+LSCC+6ZKil/CLh4jxV//8F/PDAFtzupjzeyCotFHL+Tm6kwL2wEOrZaz0a6rEba ZFhLGP+Z1XV0WJb45V0ajLFhU+IV4VCDVbzlXKQ3isrKymu8U7zrj3d/NoPbZAbxGkMfI56xv6Ev FvRYa9bjnIm0Id94ONqFclrlQTNEL25Nq+tDOH/Ro709M4j0NOcW5Ui6gIlILfsvEma+g+rHVMeJ N7Yu5FpOzaCvajJKdDGf4O3e1BI4UGrvxsLaZZGSUkeUifobG6FrTpewm9vDkU0kHfGKPqZurEuk mXcfCb/jevjBQhGG8HwoAQy4nS6IjWGfCjK3CQ== )`
	RRSIG=20326 and DNSKEY=20326/SEP verifies the DNSKEY RRset
	DNSKEY=53148 is now in the chain-of-trust
	DNSKEY=38696/SEP is now in the chain-of-trust
	Query to b.root-servers.net for umbc.edu/A
	Received 1167 bytes from 170.247.170.2
	;; Response received from [170.247.170.2] 1167 octets ;; HEADER SECTION ;; id = 45970 ;; 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 20250603050000 20250521040000 53148 . JIAOQJtw6EXJ/+yHhhBlN5Aywt2TFFWRs2zlc0xlHMWIzMr+bDj/3FPuR9fWrHT7vTrArds/CZh4 UngHqfmxIV0xrRzBDzL8T71Lf2nZk0MYbH7pfZTsDoHCnXTRHwCqkD8S9+G61CZc80ckU3ZgoaZ0 oF3aHAjGFpwvTjxKZVN7IMrUK4moz+F6B+mbA4vJgKuJKLWL3za5Rub9I7tA1hnq3DmSze/DvBWK 7s1qNf2uHpkuRvx1TMOyaBEWPNN07xDahbCqfT6/A6nsV8cu0KjYeGHa+Uc4oAR4ppRNR6adrjxz mkb4coNRpI2bFSo+zMGPSDwO2cxzfyCkY/hliQ== ) ;; ADDITIONAL SECTION (27 records) a.edu-servers.net. 172800 IN A 192.5.6.30 a.edu-servers.net. 172800 IN AAAA 2001:503:a83e::2:30 b.edu-servers.net. 172800 IN A 192.33.14.30 b.edu-servers.net. 172800 IN AAAA 2001:503:231d::2:30 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 f.edu-servers.net. 172800 IN A 192.35.51.30 f.edu-servers.net. 172800 IN AAAA 2001:503:d414::30 g.edu-servers.net. 172800 IN A 192.42.93.30 g.edu-servers.net. 172800 IN AAAA 2001:503:eea3::30 h.edu-servers.net. 172800 IN A 192.54.112.30 h.edu-servers.net. 172800 IN AAAA 2001:502:8cc::30 i.edu-servers.net. 172800 IN A 192.43.172.30 i.edu-servers.net. 172800 IN AAAA 2001:503:39c1::30 j.edu-servers.net. 172800 IN A 192.48.79.30 j.edu-servers.net. 172800 IN AAAA 2001:502:7094::30 k.edu-servers.net. 172800 IN A 192.52.178.30 k.edu-servers.net. 172800 IN AAAA 2001:503:d2d::30 l.edu-servers.net. 172800 IN A 192.41.162.30 l.edu-servers.net. 172800 IN AAAA 2001:500:d937::30 m.edu-servers.net. 172800 IN A 192.55.83.30 m.edu-servers.net. 172800 IN AAAA 2001:501:b1f9::30 ;; { "EDNS-VERSION": 0 }
	Query to e.root-servers.net for edu/DNSKEY
	Received 1162 bytes from 192.203.230.10
	;; Response received from [192.203.230.10] 1162 octets ;; HEADER SECTION ;; id = 63862 ;; 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": 4096, ;; "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 20250603050000 20250521040000 53148 . JIAOQJtw6EXJ/+yHhhBlN5Aywt2TFFWRs2zlc0xlHMWIzMr+bDj/3FPuR9fWrHT7vTrArds/CZh4 UngHqfmxIV0xrRzBDzL8T71Lf2nZk0MYbH7pfZTsDoHCnXTRHwCqkD8S9+G61CZc80ckU3ZgoaZ0 oF3aHAjGFpwvTjxKZVN7IMrUK4moz+F6B+mbA4vJgKuJKLWL3za5Rub9I7tA1hnq3DmSze/DvBWK 7s1qNf2uHpkuRvx1TMOyaBEWPNN07xDahbCqfT6/A6nsV8cu0KjYeGHa+Uc4oAR4ppRNR6adrjxz mkb4coNRpI2bFSo+zMGPSDwO2cxzfyCkY/hliQ== ) ;; 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 g.root-servers.net for edu/DS
	Received 367 bytes from 192.112.36.4
	;; Response received from [192.112.36.4] 367 octets ;; HEADER SECTION ;; id = 4975 ;; 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 20250603050000 20250521040000 53148 . JIAOQJtw6EXJ/+yHhhBlN5Aywt2TFFWRs2zlc0xlHMWIzMr+bDj/3FPuR9fWrHT7vTrArds/CZh4 UngHqfmxIV0xrRzBDzL8T71Lf2nZk0MYbH7pfZTsDoHCnXTRHwCqkD8S9+G61CZc80ckU3ZgoaZ0 oF3aHAjGFpwvTjxKZVN7IMrUK4moz+F6B+mbA4vJgKuJKLWL3za5Rub9I7tA1hnq3DmSze/DvBWK 7s1qNf2uHpkuRvx1TMOyaBEWPNN07xDahbCqfT6/A6nsV8cu0KjYeGHa+Uc4oAR4ppRNR6adrjxz mkb4coNRpI2bFSo+zMGPSDwO2cxzfyCkY/hliQ== ) ;; 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 20250603050000 20250521040000 53148 . JIAOQJtw6EXJ/+yHhhBlN5Aywt2TFFWRs2zlc0xlHMWIzMr+bDj/3FPuR9fWrHT7vTrArds/CZh4 UngHqfmxIV0xrRzBDzL8T71Lf2nZk0MYbH7pfZTsDoHCnXTRHwCqkD8S9+G61CZc80ckU3ZgoaZ0 oF3aHAjGFpwvTjxKZVN7IMrUK4moz+F6B+mbA4vJgKuJKLWL3za5Rub9I7tA1hnq3DmSze/DvBWK 7s1qNf2uHpkuRvx1TMOyaBEWPNN07xDahbCqfT6/A6nsV8cu0KjYeGHa+Uc4oAR4ppRNR6adrjxz mkb4coNRpI2bFSo+zMGPSDwO2cxzfyCkY/hliQ== )`
	RRSIG=53148 and DNSKEY=53148 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 d.edu-servers.net for edu/DNSKEY
	Received 291 bytes from 192.31.80.30
	;; Response received from [192.31.80.30] 291 octets ;; HEADER SECTION ;; id = 50541 ;; 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 20250604151114 20250520150614 35663 edu. 4XfaS4U6KIc+nIwVKqRhUcL6SJno6ei3/P5by2m83Ac7x5RAsvFbAfFRxREKT7OwzXqT4wvh4Fep DbyQxFq3Yw== ) ;; 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 20250604151114 20250520150614 35663 edu. 4XfaS4U6KIc+nIwVKqRhUcL6SJno6ei3/P5by2m83Ac7x5RAsvFbAfFRxREKT7OwzXqT4wvh4Fep DbyQxFq3Yw== )`
	RRSIG=35663 and DNSKEY=35663/SEP verifies the DNSKEY RRset
	DNSKEY=57579 is now in the chain-of-trust
	Query to e.edu-servers.net for umbc.edu/A
	Received 398 bytes from 192.12.94.30
	;; Response received from [192.12.94.30] 398 octets ;; HEADER SECTION ;; id = 18527 ;; 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 20250526024958 20250519013958 57579 edu. CYjCQ1wTUu/0/m/Ag2eVTvLu8hWo5d54e2RIDbmrDIHQX8Vh7VnMRHgjNgXqG5v9r2bCeLnSWzm4 o/KjticsMQ== ) ;; 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 e.edu-servers.net for umbc.edu/DNSKEY
	Received 398 bytes from 192.12.94.30
	;; Response received from [192.12.94.30] 398 octets ;; HEADER SECTION ;; id = 16477 ;; 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 20250526024958 20250519013958 57579 edu. CYjCQ1wTUu/0/m/Ag2eVTvLu8hWo5d54e2RIDbmrDIHQX8Vh7VnMRHgjNgXqG5v9r2bCeLnSWzm4 o/KjticsMQ== ) ;; 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 f.edu-servers.net for umbc.edu/DS
	Received 1078 bytes from 192.35.51.30
	;; Response received from [192.35.51.30] 1078 octets ;; HEADER SECTION ;; id = 35157 ;; 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 20250526024958 20250519013958 57579 edu. CYjCQ1wTUu/0/m/Ag2eVTvLu8hWo5d54e2RIDbmrDIHQX8Vh7VnMRHgjNgXqG5v9r2bCeLnSWzm4 o/KjticsMQ== ) ;; AUTHORITY SECTION (14 records) edu. 172800 IN NS j.edu-servers.net. edu. 172800 IN NS i.edu-servers.net. edu. 172800 IN NS e.edu-servers.net. edu. 172800 IN NS g.edu-servers.net. edu. 172800 IN NS h.edu-servers.net. edu. 172800 IN NS b.edu-servers.net. edu. 172800 IN NS a.edu-servers.net. edu. 172800 IN NS c.edu-servers.net. edu. 172800 IN NS l.edu-servers.net. edu. 172800 IN NS m.edu-servers.net. edu. 172800 IN NS k.edu-servers.net. edu. 172800 IN NS f.edu-servers.net. edu. 172800 IN NS d.edu-servers.net. edu. 172800 IN RRSIG ( NS 13 1 172800 20250528025211 20250521014211 57579 edu. IEgWRKbZPXjj7nVBqMrBfBWH3CwEr/t723+JQsGm3QfAwL+4nC5ItUNuNgeUd0dInRYrc5M+CuGY djsUdUg0nA== ) ;; ADDITIONAL SECTION (27 records) j.edu-servers.net. 172800 IN A 192.48.79.30 j.edu-servers.net. 172800 IN AAAA 2001:502:7094::30 i.edu-servers.net. 172800 IN A 192.43.172.30 i.edu-servers.net. 172800 IN AAAA 2001:503:39c1::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 h.edu-servers.net. 172800 IN A 192.54.112.30 h.edu-servers.net. 172800 IN AAAA 2001:502:8cc::30 b.edu-servers.net. 172800 IN A 192.33.14.30 b.edu-servers.net. 172800 IN AAAA 2001:503:231d::2:30 a.edu-servers.net. 172800 IN A 192.5.6.30 a.edu-servers.net. 172800 IN AAAA 2001:503:a83e::2:30 c.edu-servers.net. 172800 IN A 192.26.92.30 c.edu-servers.net. 172800 IN AAAA 2001:503:83eb::30 l.edu-servers.net. 172800 IN A 192.41.162.30 l.edu-servers.net. 172800 IN AAAA 2001:500:d937::30 m.edu-servers.net. 172800 IN A 192.55.83.30 m.edu-servers.net. 172800 IN AAAA 2001:501:b1f9::30 k.edu-servers.net. 172800 IN A 192.52.178.30 k.edu-servers.net. 172800 IN AAAA 2001:503:d2d::30 f.edu-servers.net. 172800 IN A 192.35.51.30 f.edu-servers.net. 172800 IN AAAA 2001:503:d414::30 d.edu-servers.net. 172800 IN A 192.31.80.30 d.edu-servers.net. 172800 IN AAAA 2001:500:856e::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 20250526024958 20250519013958 57579 edu. CYjCQ1wTUu/0/m/Ag2eVTvLu8hWo5d54e2RIDbmrDIHQX8Vh7VnMRHgjNgXqG5v9r2bCeLnSWzm4 o/KjticsMQ== )`
	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 dnsexternal4.umbc.edu for umbc.edu/DNSKEY
	Received 933 bytes from 3.235.211.84
	;; Response received from [3.235.211.84] 933 octets ;; HEADER SECTION ;; id = 2316 ;; 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 ( 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 DNSKEY ( 256 3 5 AwEAAbWdL5rLdHqYVNtfiqI2C767XaXzG4wg0p8q+HboF/42Ri0CvRHwkPh6pnh81JGp45dIEY/s i8gBhr6IaZ/Eik+VybWm7+Xh0zje61IFV4yEw969Ikgyk0N8w+PUrQqeCbtY4jTrYhp9oHNTHCqu v9Osyh6eRK/Gz9++TBUSu+vf ) ; keytag 645 UMBC.EDU. 86400 IN RRSIG ( DNSKEY 5 2 86400 20250615235752 20250516234535 645 umbc.edu. qIoDRjThWbMeNbJVasIdZiVvwtvvPYqvuumwadvkqqG24Tc6P+zRBQX0bNpDVl3BgW7DrGEd0XS8 F0jE3Zi18XZwZUhQjNc1kJfQBpZc+/UlD2gth70qRnOUC5Cx/r3p50DZgPS7mNdv8koPIUrxfuAG t95RNV8AhuGhaFEt+Pw= ) UMBC.EDU. 86400 IN RRSIG ( DNSKEY 5 2 86400 20250615235752 20250516234535 62866 umbc.edu. y4felUIVR+4Ai7whJMUpIEXAJdZV8VHYTlGIGd/duMJsqmU0WHrdvzL1LAgMIkjB0gYeb4uCRVk3 IhC4eAuMitQhYnQ/eAH1i0SKVzUMTeYPoW7Gc5Y+GVtxZvzC/ULHsC5T4lyvIUoOhRx91YMp4jim ZY+Xtek+p7NTHdY31tRTi60O8QGeBW7QKwuGHhgkT/QK0ChVFSomoriJ/GjUzPgua54ccWT+8ilx 4JUOTkCwEZjPwQmSUaA9O7EZOBLwxcuFQW+2kQ6eIHS6QuiPkssmGGgrbs2C0ZujTBA8L1ribXwH +aAnbreJvkSHj8oQIZP6OCn7m+HcIgRktK3oLw== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 2 DNSKEY records for umbc.edu
	`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 DNSKEY ( 256 3 5 AwEAAbWdL5rLdHqYVNtfiqI2C767XaXzG4wg0p8q+HboF/42Ri0CvRHwkPh6pnh81JGp45dIEY/s i8gBhr6IaZ/Eik+VybWm7+Xh0zje61IFV4yEw969Ikgyk0N8w+PUrQqeCbtY4jTrYhp9oHNTHCqu v9Osyh6eRK/Gz9++TBUSu+vf ) ; keytag 645`
	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 20250615235752 20250516234535 645 umbc.edu. qIoDRjThWbMeNbJVasIdZiVvwtvvPYqvuumwadvkqqG24Tc6P+zRBQX0bNpDVl3BgW7DrGEd0XS8 F0jE3Zi18XZwZUhQjNc1kJfQBpZc+/UlD2gth70qRnOUC5Cx/r3p50DZgPS7mNdv8koPIUrxfuAG t95RNV8AhuGhaFEt+Pw= )`
	`UMBC.EDU. 86400 IN RRSIG ( DNSKEY 5 2 86400 20250615235752 20250516234535 62866 umbc.edu. y4felUIVR+4Ai7whJMUpIEXAJdZV8VHYTlGIGd/duMJsqmU0WHrdvzL1LAgMIkjB0gYeb4uCRVk3 IhC4eAuMitQhYnQ/eAH1i0SKVzUMTeYPoW7Gc5Y+GVtxZvzC/ULHsC5T4lyvIUoOhRx91YMp4jim ZY+Xtek+p7NTHdY31tRTi60O8QGeBW7QKwuGHhgkT/QK0ChVFSomoriJ/GjUzPgua54ccWT+8ilx 4JUOTkCwEZjPwQmSUaA9O7EZOBLwxcuFQW+2kQ6eIHS6QuiPkssmGGgrbs2C0ZujTBA8L1ribXwH +aAnbreJvkSHj8oQIZP6OCn7m+HcIgRktK3oLw== )`
	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 = 33082 ;; 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 20250611025800 20250512020554 645 umbc.edu. WCIaOlG45nLPC+PynSbOBToJT+BfnOuBYu5DIlITgzqinvI7m32kw8L3t20eVhLbGG1o5oPPXRVo 1GiLBaakOEfXjY5NxWT9NlIESv0ZHKITP7hWrrIP0Wo3fOJ8aZoarrc7WiIC4qyZmwdteTzqn7US 51mErZAgJg9j2UgKNco= ) ;; AUTHORITY SECTION (6 records) UMBC.EDU. 86400 IN NS dnsexternal3.umbc.edu. UMBC.EDU. 86400 IN NS dnsexternal4.umbc.edu. UMBC.EDU. 86400 IN NS dnsexternal1.umbc.edu. UMBC.EDU. 86400 IN NS dnsexternal2.umbc.edu. UMBC.EDU. 86400 IN NS dnsexternal.umbc.edu. UMBC.EDU. 86400 IN RRSIG ( NS 5 2 86400 20250603214413 20250504213945 645 umbc.edu. L/wxn4pS38G0Rhnt1mUb0ytoa0Ut5rQVOPt1fVtAapneA5Sp2hEumHqVOaVePtV8pI5twTqdy8ck Nmuq3IrqgMWqX651iiOhbFOKYsidSo2XNpsjayT3z87HE3W1F35N3kqQFLNJhmihhRBgVdT9csmk V4ZPM3b1zmBOYPmr83E= ) ;; 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 20250529095749 20250429092948 645 umbc.edu. RMvQCQDztq1ptFo3/+XXuDox5ONMmczA19xqv1YgkM4/6jHt0cwNvWnIo1aS6Y9bVxKpvvncdLx2 u3RM2GJUcRvyvw0SRLAiwrHr57gGjVE/c9+xWhnpFk2EKZNrLogsXJr9km7i5iSpji+ZXJEFmN5F 9GO6/CHT72ttVLCon/c= ) dnsexternal.UMBC.EDU. 86400 IN RRSIG ( AAAA 5 3 86400 20250604035405 20250505034553 645 umbc.edu. ci0b01QePa+WFkyIXnTCrd47mIvTIjZeELbtv1MoJCiCGk3uLoGwmMGoavCQFJKHeCFDeNpkTANI rkMvy4SZUzkKf02WTI75IgOtn/uFmYwM3sUpgtfFikHY+hJsde1SLTo8N8R34k2O7vzdR7ez2VvK xsX0HFPU5js0lVGFwJY= ) ;; { "EDNS-VERSION": 0 }
	dnsexternal.umbc.edu is authoritative for umbc.edu
	Found RRSIG signed by umbc.edu zone
	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 = 64010 ;; 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. 2010301834 ;serial 10800 ;refresh 1800 ;retry 3600000 ;expire 21700 ;minimum ) UMBC.EDU. 86400 IN RRSIG ( SOA 5 2 86400 20250620133124 20250521123124 645 umbc.edu. HOcHSiVc7hAACqG2CvMjkbvubFMfxox8IDY9dAotO+R3fc2FEjHjwWB4WxmrgzAyL1XhwR5Z0Rnh y3RAVtSoPdjEwxdAmnKaNRubPIxbSOi7+37mRRuF/dYquvSQwq3oxAiaM0PgllYiblGqXtoTLiJa mvVtFV0Et0Fa8T5jEQs= ) ;; 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 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 20250603214413 20250504213945 645 umbc.edu. L/wxn4pS38G0Rhnt1mUb0ytoa0Ut5rQVOPt1fVtAapneA5Sp2hEumHqVOaVePtV8pI5twTqdy8ck Nmuq3IrqgMWqX651iiOhbFOKYsidSo2XNpsjayT3z87HE3W1F35N3kqQFLNJhmihhRBgVdT9csmk V4ZPM3b1zmBOYPmr83E= ) ;; 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 20250529095749 20250429092948 645 umbc.edu. RMvQCQDztq1ptFo3/+XXuDox5ONMmczA19xqv1YgkM4/6jHt0cwNvWnIo1aS6Y9bVxKpvvncdLx2 u3RM2GJUcRvyvw0SRLAiwrHr57gGjVE/c9+xWhnpFk2EKZNrLogsXJr9km7i5iSpji+ZXJEFmN5F 9GO6/CHT72ttVLCon/c= ) dnsexternal.UMBC.EDU. 86400 IN RRSIG ( AAAA 5 3 86400 20250604035405 20250505034553 645 umbc.edu. ci0b01QePa+WFkyIXnTCrd47mIvTIjZeELbtv1MoJCiCGk3uLoGwmMGoavCQFJKHeCFDeNpkTANI rkMvy4SZUzkKf02WTI75IgOtn/uFmYwM3sUpgtfFikHY+hJsde1SLTo8N8R34k2O7vzdR7ez2VvK xsX0HFPU5js0lVGFwJY= ) ;; { "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 = 42518 ;; 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. 2010301834 ;serial 10800 ;refresh 1800 ;retry 3600000 ;expire 21700 ;minimum ) UMBC.EDU. 86400 IN RRSIG ( SOA 5 2 86400 20250620133124 20250521123124 645 umbc.edu. HOcHSiVc7hAACqG2CvMjkbvubFMfxox8IDY9dAotO+R3fc2FEjHjwWB4WxmrgzAyL1XhwR5Z0Rnh y3RAVtSoPdjEwxdAmnKaNRubPIxbSOi7+37mRRuF/dYquvSQwq3oxAiaM0PgllYiblGqXtoTLiJa mvVtFV0Et0Fa8T5jEQs= ) ;; 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 dnsexternal3.umbc.edu. umbc.edu. 86400 IN NS dnsexternal.umbc.edu. UMBC.EDU. 86400 IN RRSIG ( NS 5 2 86400 20250603214413 20250504213945 645 umbc.edu. L/wxn4pS38G0Rhnt1mUb0ytoa0Ut5rQVOPt1fVtAapneA5Sp2hEumHqVOaVePtV8pI5twTqdy8ck Nmuq3IrqgMWqX651iiOhbFOKYsidSo2XNpsjayT3z87HE3W1F35N3kqQFLNJhmihhRBgVdT9csmk V4ZPM3b1zmBOYPmr83E= ) ;; 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 20250529095749 20250429092948 645 umbc.edu. RMvQCQDztq1ptFo3/+XXuDox5ONMmczA19xqv1YgkM4/6jHt0cwNvWnIo1aS6Y9bVxKpvvncdLx2 u3RM2GJUcRvyvw0SRLAiwrHr57gGjVE/c9+xWhnpFk2EKZNrLogsXJr9km7i5iSpji+ZXJEFmN5F 9GO6/CHT72ttVLCon/c= ) dnsexternal.UMBC.EDU. 86400 IN RRSIG ( AAAA 5 3 86400 20250604035405 20250505034553 645 umbc.edu. ci0b01QePa+WFkyIXnTCrd47mIvTIjZeELbtv1MoJCiCGk3uLoGwmMGoavCQFJKHeCFDeNpkTANI rkMvy4SZUzkKf02WTI75IgOtn/uFmYwM3sUpgtfFikHY+hJsde1SLTo8N8R34k2O7vzdR7ez2VvK xsX0HFPU5js0lVGFwJY= ) ;; { "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 = 30543 ;; 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. 2010301834 ;serial 10800 ;refresh 1800 ;retry 3600000 ;expire 21700 ;minimum ) UMBC.EDU. 86400 IN RRSIG ( SOA 5 2 86400 20250620133124 20250521123124 645 umbc.edu. HOcHSiVc7hAACqG2CvMjkbvubFMfxox8IDY9dAotO+R3fc2FEjHjwWB4WxmrgzAyL1XhwR5Z0Rnh y3RAVtSoPdjEwxdAmnKaNRubPIxbSOi7+37mRRuF/dYquvSQwq3oxAiaM0PgllYiblGqXtoTLiJa mvVtFV0Et0Fa8T5jEQs= ) ;; 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 20250603214413 20250504213945 645 umbc.edu. L/wxn4pS38G0Rhnt1mUb0ytoa0Ut5rQVOPt1fVtAapneA5Sp2hEumHqVOaVePtV8pI5twTqdy8ck Nmuq3IrqgMWqX651iiOhbFOKYsidSo2XNpsjayT3z87HE3W1F35N3kqQFLNJhmihhRBgVdT9csmk V4ZPM3b1zmBOYPmr83E= ) ;; 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 20250529095749 20250429092948 645 umbc.edu. RMvQCQDztq1ptFo3/+XXuDox5ONMmczA19xqv1YgkM4/6jHt0cwNvWnIo1aS6Y9bVxKpvvncdLx2 u3RM2GJUcRvyvw0SRLAiwrHr57gGjVE/c9+xWhnpFk2EKZNrLogsXJr9km7i5iSpji+ZXJEFmN5F 9GO6/CHT72ttVLCon/c= ) dnsexternal.UMBC.EDU. 86400 IN RRSIG ( AAAA 5 3 86400 20250604035405 20250505034553 645 umbc.edu. ci0b01QePa+WFkyIXnTCrd47mIvTIjZeELbtv1MoJCiCGk3uLoGwmMGoavCQFJKHeCFDeNpkTANI rkMvy4SZUzkKf02WTI75IgOtn/uFmYwM3sUpgtfFikHY+hJsde1SLTo8N8R34k2O7vzdR7ez2VvK xsX0HFPU5js0lVGFwJY= ) ;; { "EDNS-VERSION": 0 }
	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 = 5421 ;; 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. 2010301834 ;serial 10800 ;refresh 1800 ;retry 3600000 ;expire 21700 ;minimum ) UMBC.EDU. 86400 IN RRSIG ( SOA 5 2 86400 20250620133124 20250521123124 645 umbc.edu. HOcHSiVc7hAACqG2CvMjkbvubFMfxox8IDY9dAotO+R3fc2FEjHjwWB4WxmrgzAyL1XhwR5Z0Rnh y3RAVtSoPdjEwxdAmnKaNRubPIxbSOi7+37mRRuF/dYquvSQwq3oxAiaM0PgllYiblGqXtoTLiJa mvVtFV0Et0Fa8T5jEQs= ) ;; 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 dnsexternal3.umbc.edu. umbc.edu. 86400 IN NS dnsexternal.umbc.edu. UMBC.EDU. 86400 IN RRSIG ( NS 5 2 86400 20250603214413 20250504213945 645 umbc.edu. L/wxn4pS38G0Rhnt1mUb0ytoa0Ut5rQVOPt1fVtAapneA5Sp2hEumHqVOaVePtV8pI5twTqdy8ck Nmuq3IrqgMWqX651iiOhbFOKYsidSo2XNpsjayT3z87HE3W1F35N3kqQFLNJhmihhRBgVdT9csmk V4ZPM3b1zmBOYPmr83E= ) ;; 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 20250529095749 20250429092948 645 umbc.edu. RMvQCQDztq1ptFo3/+XXuDox5ONMmczA19xqv1YgkM4/6jHt0cwNvWnIo1aS6Y9bVxKpvvncdLx2 u3RM2GJUcRvyvw0SRLAiwrHr57gGjVE/c9+xWhnpFk2EKZNrLogsXJr9km7i5iSpji+ZXJEFmN5F 9GO6/CHT72ttVLCon/c= ) dnsexternal.UMBC.EDU. 86400 IN RRSIG ( AAAA 5 3 86400 20250604035405 20250505034553 645 umbc.edu. ci0b01QePa+WFkyIXnTCrd47mIvTIjZeELbtv1MoJCiCGk3uLoGwmMGoavCQFJKHeCFDeNpkTANI rkMvy4SZUzkKf02WTI75IgOtn/uFmYwM3sUpgtfFikHY+hJsde1SLTo8N8R34k2O7vzdR7ez2VvK xsX0HFPU5js0lVGFwJY= ) ;; { "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 = 58570 ;; 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 20250611025800 20250512020554 645 umbc.edu. WCIaOlG45nLPC+PynSbOBToJT+BfnOuBYu5DIlITgzqinvI7m32kw8L3t20eVhLbGG1o5oPPXRVo 1GiLBaakOEfXjY5NxWT9NlIESv0ZHKITP7hWrrIP0Wo3fOJ8aZoarrc7WiIC4qyZmwdteTzqn7US 51mErZAgJg9j2UgKNco= ) ;; 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 dnsexternal.umbc.edu. UMBC.EDU. 86400 IN NS dnsexternal1.umbc.edu. UMBC.EDU. 86400 IN NS dnsexternal3.umbc.edu. UMBC.EDU. 86400 IN RRSIG ( NS 5 2 86400 20250603214413 20250504213945 645 umbc.edu. L/wxn4pS38G0Rhnt1mUb0ytoa0Ut5rQVOPt1fVtAapneA5Sp2hEumHqVOaVePtV8pI5twTqdy8ck Nmuq3IrqgMWqX651iiOhbFOKYsidSo2XNpsjayT3z87HE3W1F35N3kqQFLNJhmihhRBgVdT9csmk V4ZPM3b1zmBOYPmr83E= ) ;; 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 20250529095749 20250429092948 645 umbc.edu. RMvQCQDztq1ptFo3/+XXuDox5ONMmczA19xqv1YgkM4/6jHt0cwNvWnIo1aS6Y9bVxKpvvncdLx2 u3RM2GJUcRvyvw0SRLAiwrHr57gGjVE/c9+xWhnpFk2EKZNrLogsXJr9km7i5iSpji+ZXJEFmN5F 9GO6/CHT72ttVLCon/c= ) dnsexternal.UMBC.EDU. 86400 IN RRSIG ( AAAA 5 3 86400 20250604035405 20250505034553 645 umbc.edu. ci0b01QePa+WFkyIXnTCrd47mIvTIjZeELbtv1MoJCiCGk3uLoGwmMGoavCQFJKHeCFDeNpkTANI rkMvy4SZUzkKf02WTI75IgOtn/uFmYwM3sUpgtfFikHY+hJsde1SLTo8N8R34k2O7vzdR7ez2VvK xsX0HFPU5js0lVGFwJY= ) ;; { "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 20250611025800 20250512020554 645 umbc.edu. WCIaOlG45nLPC+PynSbOBToJT+BfnOuBYu5DIlITgzqinvI7m32kw8L3t20eVhLbGG1o5oPPXRVo 1GiLBaakOEfXjY5NxWT9NlIESv0ZHKITP7hWrrIP0Wo3fOJ8aZoarrc7WiIC4qyZmwdteTzqn7US 51mErZAgJg9j2UgKNco= )`
	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 = 64805 ;; 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 20250611025800 20250512020554 645 umbc.edu. WCIaOlG45nLPC+PynSbOBToJT+BfnOuBYu5DIlITgzqinvI7m32kw8L3t20eVhLbGG1o5oPPXRVo 1GiLBaakOEfXjY5NxWT9NlIESv0ZHKITP7hWrrIP0Wo3fOJ8aZoarrc7WiIC4qyZmwdteTzqn7US 51mErZAgJg9j2UgKNco= ) ;; 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 dnsexternal2.umbc.edu. umbc.edu. 86400 IN NS dnsexternal3.umbc.edu. umbc.edu. 86400 IN NS dnsexternal.umbc.edu. UMBC.EDU. 86400 IN RRSIG ( NS 5 2 86400 20250603214413 20250504213945 645 umbc.edu. L/wxn4pS38G0Rhnt1mUb0ytoa0Ut5rQVOPt1fVtAapneA5Sp2hEumHqVOaVePtV8pI5twTqdy8ck Nmuq3IrqgMWqX651iiOhbFOKYsidSo2XNpsjayT3z87HE3W1F35N3kqQFLNJhmihhRBgVdT9csmk V4ZPM3b1zmBOYPmr83E= ) ;; 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 20250529095749 20250429092948 645 umbc.edu. RMvQCQDztq1ptFo3/+XXuDox5ONMmczA19xqv1YgkM4/6jHt0cwNvWnIo1aS6Y9bVxKpvvncdLx2 u3RM2GJUcRvyvw0SRLAiwrHr57gGjVE/c9+xWhnpFk2EKZNrLogsXJr9km7i5iSpji+ZXJEFmN5F 9GO6/CHT72ttVLCon/c= ) dnsexternal.UMBC.EDU. 86400 IN RRSIG ( AAAA 5 3 86400 20250604035405 20250505034553 645 umbc.edu. ci0b01QePa+WFkyIXnTCrd47mIvTIjZeELbtv1MoJCiCGk3uLoGwmMGoavCQFJKHeCFDeNpkTANI rkMvy4SZUzkKf02WTI75IgOtn/uFmYwM3sUpgtfFikHY+hJsde1SLTo8N8R34k2O7vzdR7ez2VvK xsX0HFPU5js0lVGFwJY= ) ;; { "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 = 58058 ;; 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 20250611025800 20250512020554 645 umbc.edu. WCIaOlG45nLPC+PynSbOBToJT+BfnOuBYu5DIlITgzqinvI7m32kw8L3t20eVhLbGG1o5oPPXRVo 1GiLBaakOEfXjY5NxWT9NlIESv0ZHKITP7hWrrIP0Wo3fOJ8aZoarrc7WiIC4qyZmwdteTzqn7US 51mErZAgJg9j2UgKNco= ) ;; 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 dnsexternal3.umbc.edu. umbc.edu. 86400 IN NS dnsexternal4.umbc.edu. UMBC.EDU. 86400 IN RRSIG ( NS 5 2 86400 20250603214413 20250504213945 645 umbc.edu. L/wxn4pS38G0Rhnt1mUb0ytoa0Ut5rQVOPt1fVtAapneA5Sp2hEumHqVOaVePtV8pI5twTqdy8ck Nmuq3IrqgMWqX651iiOhbFOKYsidSo2XNpsjayT3z87HE3W1F35N3kqQFLNJhmihhRBgVdT9csmk V4ZPM3b1zmBOYPmr83E= ) ;; 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 20250529095749 20250429092948 645 umbc.edu. RMvQCQDztq1ptFo3/+XXuDox5ONMmczA19xqv1YgkM4/6jHt0cwNvWnIo1aS6Y9bVxKpvvncdLx2 u3RM2GJUcRvyvw0SRLAiwrHr57gGjVE/c9+xWhnpFk2EKZNrLogsXJr9km7i5iSpji+ZXJEFmN5F 9GO6/CHT72ttVLCon/c= ) dnsexternal.UMBC.EDU. 86400 IN RRSIG ( AAAA 5 3 86400 20250604035405 20250505034553 645 umbc.edu. ci0b01QePa+WFkyIXnTCrd47mIvTIjZeELbtv1MoJCiCGk3uLoGwmMGoavCQFJKHeCFDeNpkTANI rkMvy4SZUzkKf02WTI75IgOtn/uFmYwM3sUpgtfFikHY+hJsde1SLTo8N8R34k2O7vzdR7ez2VvK xsX0HFPU5js0lVGFwJY= ) ;; { "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 20250611025800 20250512020554 645 umbc.edu. WCIaOlG45nLPC+PynSbOBToJT+BfnOuBYu5DIlITgzqinvI7m32kw8L3t20eVhLbGG1o5oPPXRVo 1GiLBaakOEfXjY5NxWT9NlIESv0ZHKITP7hWrrIP0Wo3fOJ8aZoarrc7WiIC4qyZmwdteTzqn7US 51mErZAgJg9j2UgKNco= )`
	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 = 25922 ;; 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 20250611025800 20250512020554 645 umbc.edu. WCIaOlG45nLPC+PynSbOBToJT+BfnOuBYu5DIlITgzqinvI7m32kw8L3t20eVhLbGG1o5oPPXRVo 1GiLBaakOEfXjY5NxWT9NlIESv0ZHKITP7hWrrIP0Wo3fOJ8aZoarrc7WiIC4qyZmwdteTzqn7US 51mErZAgJg9j2UgKNco= ) ;; 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 dnsexternal4.umbc.edu. UMBC.EDU. 86400 IN NS dnsexternal2.umbc.edu. UMBC.EDU. 86400 IN RRSIG ( NS 5 2 86400 20250603214413 20250504213945 645 umbc.edu. L/wxn4pS38G0Rhnt1mUb0ytoa0Ut5rQVOPt1fVtAapneA5Sp2hEumHqVOaVePtV8pI5twTqdy8ck Nmuq3IrqgMWqX651iiOhbFOKYsidSo2XNpsjayT3z87HE3W1F35N3kqQFLNJhmihhRBgVdT9csmk V4ZPM3b1zmBOYPmr83E= ) ;; 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 20250529095749 20250429092948 645 umbc.edu. RMvQCQDztq1ptFo3/+XXuDox5ONMmczA19xqv1YgkM4/6jHt0cwNvWnIo1aS6Y9bVxKpvvncdLx2 u3RM2GJUcRvyvw0SRLAiwrHr57gGjVE/c9+xWhnpFk2EKZNrLogsXJr9km7i5iSpji+ZXJEFmN5F 9GO6/CHT72ttVLCon/c= ) dnsexternal.UMBC.EDU. 86400 IN RRSIG ( AAAA 5 3 86400 20250604035405 20250505034553 645 umbc.edu. ci0b01QePa+WFkyIXnTCrd47mIvTIjZeELbtv1MoJCiCGk3uLoGwmMGoavCQFJKHeCFDeNpkTANI rkMvy4SZUzkKf02WTI75IgOtn/uFmYwM3sUpgtfFikHY+hJsde1SLTo8N8R34k2O7vzdR7ez2VvK xsX0HFPU5js0lVGFwJY= ) ;; { "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 = 6028 ;; 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 20250611025800 20250512020554 645 umbc.edu. WCIaOlG45nLPC+PynSbOBToJT+BfnOuBYu5DIlITgzqinvI7m32kw8L3t20eVhLbGG1o5oPPXRVo 1GiLBaakOEfXjY5NxWT9NlIESv0ZHKITP7hWrrIP0Wo3fOJ8aZoarrc7WiIC4qyZmwdteTzqn7US 51mErZAgJg9j2UgKNco= ) ;; AUTHORITY SECTION (6 records) UMBC.EDU. 86400 IN NS dnsexternal3.umbc.edu. UMBC.EDU. 86400 IN NS dnsexternal4.umbc.edu. UMBC.EDU. 86400 IN NS dnsexternal2.umbc.edu. UMBC.EDU. 86400 IN NS dnsexternal.umbc.edu. UMBC.EDU. 86400 IN NS dnsexternal1.umbc.edu. UMBC.EDU. 86400 IN RRSIG ( NS 5 2 86400 20250603214413 20250504213945 645 umbc.edu. L/wxn4pS38G0Rhnt1mUb0ytoa0Ut5rQVOPt1fVtAapneA5Sp2hEumHqVOaVePtV8pI5twTqdy8ck Nmuq3IrqgMWqX651iiOhbFOKYsidSo2XNpsjayT3z87HE3W1F35N3kqQFLNJhmihhRBgVdT9csmk V4ZPM3b1zmBOYPmr83E= ) ;; 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 20250529095749 20250429092948 645 umbc.edu. RMvQCQDztq1ptFo3/+XXuDox5ONMmczA19xqv1YgkM4/6jHt0cwNvWnIo1aS6Y9bVxKpvvncdLx2 u3RM2GJUcRvyvw0SRLAiwrHr57gGjVE/c9+xWhnpFk2EKZNrLogsXJr9km7i5iSpji+ZXJEFmN5F 9GO6/CHT72ttVLCon/c= ) dnsexternal.UMBC.EDU. 86400 IN RRSIG ( AAAA 5 3 86400 20250604035405 20250505034553 645 umbc.edu. ci0b01QePa+WFkyIXnTCrd47mIvTIjZeELbtv1MoJCiCGk3uLoGwmMGoavCQFJKHeCFDeNpkTANI rkMvy4SZUzkKf02WTI75IgOtn/uFmYwM3sUpgtfFikHY+hJsde1SLTo8N8R34k2O7vzdR7ez2VvK xsX0HFPU5js0lVGFwJY= ) ;; { "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 20250611025800 20250512020554 645 umbc.edu. WCIaOlG45nLPC+PynSbOBToJT+BfnOuBYu5DIlITgzqinvI7m32kw8L3t20eVhLbGG1o5oPPXRVo 1GiLBaakOEfXjY5NxWT9NlIESv0ZHKITP7hWrrIP0Wo3fOJ8aZoarrc7WiIC4qyZmwdteTzqn7US 51mErZAgJg9j2UgKNco= )`
	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 = 14094 ;; 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 20250611025800 20250512020554 645 umbc.edu. WCIaOlG45nLPC+PynSbOBToJT+BfnOuBYu5DIlITgzqinvI7m32kw8L3t20eVhLbGG1o5oPPXRVo 1GiLBaakOEfXjY5NxWT9NlIESv0ZHKITP7hWrrIP0Wo3fOJ8aZoarrc7WiIC4qyZmwdteTzqn7US 51mErZAgJg9j2UgKNco= ) ;; AUTHORITY SECTION (6 records) umbc.edu. 86400 IN NS dnsexternal1.umbc.edu. umbc.edu. 86400 IN NS dnsexternal2.umbc.edu. umbc.edu. 86400 IN NS dnsexternal3.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 20250603214413 20250504213945 645 umbc.edu. L/wxn4pS38G0Rhnt1mUb0ytoa0Ut5rQVOPt1fVtAapneA5Sp2hEumHqVOaVePtV8pI5twTqdy8ck Nmuq3IrqgMWqX651iiOhbFOKYsidSo2XNpsjayT3z87HE3W1F35N3kqQFLNJhmihhRBgVdT9csmk V4ZPM3b1zmBOYPmr83E= ) ;; 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 20250529095749 20250429092948 645 umbc.edu. RMvQCQDztq1ptFo3/+XXuDox5ONMmczA19xqv1YgkM4/6jHt0cwNvWnIo1aS6Y9bVxKpvvncdLx2 u3RM2GJUcRvyvw0SRLAiwrHr57gGjVE/c9+xWhnpFk2EKZNrLogsXJr9km7i5iSpji+ZXJEFmN5F 9GO6/CHT72ttVLCon/c= ) dnsexternal.UMBC.EDU. 86400 IN RRSIG ( AAAA 5 3 86400 20250604035405 20250505034553 645 umbc.edu. ci0b01QePa+WFkyIXnTCrd47mIvTIjZeELbtv1MoJCiCGk3uLoGwmMGoavCQFJKHeCFDeNpkTANI rkMvy4SZUzkKf02WTI75IgOtn/uFmYwM3sUpgtfFikHY+hJsde1SLTo8N8R34k2O7vzdR7ez2VvK xsX0HFPU5js0lVGFwJY= ) ;; { "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 = 5355 ;; 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 20250611025800 20250512020554 645 umbc.edu. WCIaOlG45nLPC+PynSbOBToJT+BfnOuBYu5DIlITgzqinvI7m32kw8L3t20eVhLbGG1o5oPPXRVo 1GiLBaakOEfXjY5NxWT9NlIESv0ZHKITP7hWrrIP0Wo3fOJ8aZoarrc7WiIC4qyZmwdteTzqn7US 51mErZAgJg9j2UgKNco= ) ;; AUTHORITY SECTION (6 records) umbc.edu. 86400 IN NS dnsexternal2.umbc.edu. 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 dnsexternal3.umbc.edu. UMBC.EDU. 86400 IN RRSIG ( NS 5 2 86400 20250603214413 20250504213945 645 umbc.edu. L/wxn4pS38G0Rhnt1mUb0ytoa0Ut5rQVOPt1fVtAapneA5Sp2hEumHqVOaVePtV8pI5twTqdy8ck Nmuq3IrqgMWqX651iiOhbFOKYsidSo2XNpsjayT3z87HE3W1F35N3kqQFLNJhmihhRBgVdT9csmk V4ZPM3b1zmBOYPmr83E= ) ;; 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 20250529095749 20250429092948 645 umbc.edu. RMvQCQDztq1ptFo3/+XXuDox5ONMmczA19xqv1YgkM4/6jHt0cwNvWnIo1aS6Y9bVxKpvvncdLx2 u3RM2GJUcRvyvw0SRLAiwrHr57gGjVE/c9+xWhnpFk2EKZNrLogsXJr9km7i5iSpji+ZXJEFmN5F 9GO6/CHT72ttVLCon/c= ) dnsexternal.UMBC.EDU. 86400 IN RRSIG ( AAAA 5 3 86400 20250604035405 20250505034553 645 umbc.edu. ci0b01QePa+WFkyIXnTCrd47mIvTIjZeELbtv1MoJCiCGk3uLoGwmMGoavCQFJKHeCFDeNpkTANI rkMvy4SZUzkKf02WTI75IgOtn/uFmYwM3sUpgtfFikHY+hJsde1SLTo8N8R34k2O7vzdR7ez2VvK xsX0HFPU5js0lVGFwJY= ) ;; { "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 20250611025800 20250512020554 645 umbc.edu. WCIaOlG45nLPC+PynSbOBToJT+BfnOuBYu5DIlITgzqinvI7m32kw8L3t20eVhLbGG1o5oPPXRVo 1GiLBaakOEfXjY5NxWT9NlIESv0ZHKITP7hWrrIP0Wo3fOJ8aZoarrc7WiIC4qyZmwdteTzqn7US 51mErZAgJg9j2UgKNco= )`
	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 = 26181 ;; 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 20250611025800 20250512020554 645 umbc.edu. WCIaOlG45nLPC+PynSbOBToJT+BfnOuBYu5DIlITgzqinvI7m32kw8L3t20eVhLbGG1o5oPPXRVo 1GiLBaakOEfXjY5NxWT9NlIESv0ZHKITP7hWrrIP0Wo3fOJ8aZoarrc7WiIC4qyZmwdteTzqn7US 51mErZAgJg9j2UgKNco= ) ;; AUTHORITY SECTION (6 records) 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 NS dnsexternal2.umbc.edu. UMBC.EDU. 86400 IN NS dnsexternal1.umbc.edu. UMBC.EDU. 86400 IN RRSIG ( NS 5 2 86400 20250603214413 20250504213945 645 umbc.edu. L/wxn4pS38G0Rhnt1mUb0ytoa0Ut5rQVOPt1fVtAapneA5Sp2hEumHqVOaVePtV8pI5twTqdy8ck Nmuq3IrqgMWqX651iiOhbFOKYsidSo2XNpsjayT3z87HE3W1F35N3kqQFLNJhmihhRBgVdT9csmk V4ZPM3b1zmBOYPmr83E= ) ;; 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 20250529095749 20250429092948 645 umbc.edu. RMvQCQDztq1ptFo3/+XXuDox5ONMmczA19xqv1YgkM4/6jHt0cwNvWnIo1aS6Y9bVxKpvvncdLx2 u3RM2GJUcRvyvw0SRLAiwrHr57gGjVE/c9+xWhnpFk2EKZNrLogsXJr9km7i5iSpji+ZXJEFmN5F 9GO6/CHT72ttVLCon/c= ) dnsexternal.UMBC.EDU. 86400 IN RRSIG ( AAAA 5 3 86400 20250604035405 20250505034553 645 umbc.edu. ci0b01QePa+WFkyIXnTCrd47mIvTIjZeELbtv1MoJCiCGk3uLoGwmMGoavCQFJKHeCFDeNpkTANI rkMvy4SZUzkKf02WTI75IgOtn/uFmYwM3sUpgtfFikHY+hJsde1SLTo8N8R34k2O7vzdR7ez2VvK xsX0HFPU5js0lVGFwJY= ) ;; { "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 = 57028 ;; 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 20250611025800 20250512020554 645 umbc.edu. WCIaOlG45nLPC+PynSbOBToJT+BfnOuBYu5DIlITgzqinvI7m32kw8L3t20eVhLbGG1o5oPPXRVo 1GiLBaakOEfXjY5NxWT9NlIESv0ZHKITP7hWrrIP0Wo3fOJ8aZoarrc7WiIC4qyZmwdteTzqn7US 51mErZAgJg9j2UgKNco= ) ;; AUTHORITY SECTION (6 records) UMBC.EDU. 86400 IN NS dnsexternal1.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 dnsexternal3.umbc.edu. UMBC.EDU. 86400 IN RRSIG ( NS 5 2 86400 20250603214413 20250504213945 645 umbc.edu. L/wxn4pS38G0Rhnt1mUb0ytoa0Ut5rQVOPt1fVtAapneA5Sp2hEumHqVOaVePtV8pI5twTqdy8ck Nmuq3IrqgMWqX651iiOhbFOKYsidSo2XNpsjayT3z87HE3W1F35N3kqQFLNJhmihhRBgVdT9csmk V4ZPM3b1zmBOYPmr83E= ) ;; 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 20250529095749 20250429092948 645 umbc.edu. RMvQCQDztq1ptFo3/+XXuDox5ONMmczA19xqv1YgkM4/6jHt0cwNvWnIo1aS6Y9bVxKpvvncdLx2 u3RM2GJUcRvyvw0SRLAiwrHr57gGjVE/c9+xWhnpFk2EKZNrLogsXJr9km7i5iSpji+ZXJEFmN5F 9GO6/CHT72ttVLCon/c= ) dnsexternal.UMBC.EDU. 86400 IN RRSIG ( AAAA 5 3 86400 20250604035405 20250505034553 645 umbc.edu. ci0b01QePa+WFkyIXnTCrd47mIvTIjZeELbtv1MoJCiCGk3uLoGwmMGoavCQFJKHeCFDeNpkTANI rkMvy4SZUzkKf02WTI75IgOtn/uFmYwM3sUpgtfFikHY+hJsde1SLTo8N8R34k2O7vzdR7ez2VvK xsX0HFPU5js0lVGFwJY= ) ;; { "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 20250611025800 20250512020554 645 umbc.edu. WCIaOlG45nLPC+PynSbOBToJT+BfnOuBYu5DIlITgzqinvI7m32kw8L3t20eVhLbGG1o5oPPXRVo 1GiLBaakOEfXjY5NxWT9NlIESv0ZHKITP7hWrrIP0Wo3fOJ8aZoarrc7WiIC4qyZmwdteTzqn7US 51mErZAgJg9j2UgKNco= )`
	RRSIG=645 and DNSKEY=645 verifies the A RRset

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