DNSSEC Debugger - umbc.edu

Domain Name:

Time: 2025-11-06 17:30:58 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 l.root-servers.net for ./DNSKEY
	Received 1139 bytes from 199.7.83.42
	;; Response received from [199.7.83.42] 1139 octets ;; HEADER SECTION ;; id = 29498 ;; 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": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; . IN DNSKEY ;; ANSWER SECTION (4 records) . 172800 IN DNSKEY ( 256 3 8 AwEAAeuS7hMRZ7muj1c/ew2DoavxkBw3jUG5R79pKVDI39fxvlD1HfJYGJERnXuV4SrQfUPzWw/l t5Axb0EqXL/sQ2ZyntVmwQwoSXi2l9smlIKh2UrkTmmozRCPe7GS4fZTE4Ew7AV4YprTLgVmxiGP 4unRuXkYOgQJXCIBpVCmEdUli6X2sm0i5ZilU/Q+rX3RDw+eYPP7K0cJnJ+ZnvQDy14+BFtreWl9 enNQljgGpBp26lEp1z7AbvUfzkQNVCVGaM8jEaCSALXiROlwCQMOdj+tpLXFf99kdJnTQw2cpEr1 uGs/yENAJpoGhbjZAoIkXzDUBSlfFeYz7FWzH6gIe7M= ) ; keytag 61809 . 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 DNSKEY ( 257 3 8 AwEAAa96jeuknZlaeSrvyAJj6ZHv28hhOKkx3rLGXVaC6rXTsDc449/cidltpkyGwCJNnOAlFNKF 2jBosZBU5eeHspaQWOmOElZsjICMQMC3aeHbGiShvZsx4wMYSjH8e7Vrhbu6irwCzVBApESjbUdp WWmEnhathWu1jo+siFUiRAAxm9qyJNg/wOZqqzL/dL/q8PkcRU5oUKEpUge71M3ej2/7CPqpdVwu MoTvoB+ZOT4YeGyxMvHmbrxlFzGOHOijtzN+u1TQNatX2XBuzZNQ1K+s2CXkPIZo7s6JgZyvaBev YtxPvYLw4z9mR7K2vaF18UYH9Z9GNUUeayffKC73PYc= ) ; keytag 38696 . 172800 IN RRSIG ( DNSKEY 8 0 172800 20251121000000 20251031000000 20326 . qnzPUNeV8plQe0Se5Fa0uHS0Ygf4DSnEekaMeH7GQRbNhk6ntkneJFKUN+EBJQfd/JoaY//18qf4 G6YrWE/a+FwJ5oefafEhuJWhITrXMle9e4oy4Z7sjb7e1ajwGSKlcfp0Rsulv/aPlLLfl+4jUijr zzZUvUJA10LzOwswvjI16xA3HMG9rEh0mKY0RywLI+R5NkYgDzY0QGL9BMaUHWNV+eTFBmMpmg3j jKGnIg8jmFhqcypUqLXW7md/oO+k0A8QG39nGvhx7rVDUoaQd7atJH2jtzGeXW8n/XI/ncI9fSoX rLXu6NvJY5bX6dXI9ypg+sFnkF7Fd4TdZ8AasA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 3 DNSKEY records for .
	`. 172800 IN DNSKEY ( 256 3 8 AwEAAeuS7hMRZ7muj1c/ew2DoavxkBw3jUG5R79pKVDI39fxvlD1HfJYGJERnXuV4SrQfUPzWw/l t5Axb0EqXL/sQ2ZyntVmwQwoSXi2l9smlIKh2UrkTmmozRCPe7GS4fZTE4Ew7AV4YprTLgVmxiGP 4unRuXkYOgQJXCIBpVCmEdUli6X2sm0i5ZilU/Q+rX3RDw+eYPP7K0cJnJ+ZnvQDy14+BFtreWl9 enNQljgGpBp26lEp1z7AbvUfzkQNVCVGaM8jEaCSALXiROlwCQMOdj+tpLXFf99kdJnTQw2cpEr1 uGs/yENAJpoGhbjZAoIkXzDUBSlfFeYz7FWzH6gIe7M= ) ; keytag 61809`
	`. 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 DNSKEY ( 257 3 8 AwEAAa96jeuknZlaeSrvyAJj6ZHv28hhOKkx3rLGXVaC6rXTsDc449/cidltpkyGwCJNnOAlFNKF 2jBosZBU5eeHspaQWOmOElZsjICMQMC3aeHbGiShvZsx4wMYSjH8e7Vrhbu6irwCzVBApESjbUdp WWmEnhathWu1jo+siFUiRAAxm9qyJNg/wOZqqzL/dL/q8PkcRU5oUKEpUge71M3ej2/7CPqpdVwu MoTvoB+ZOT4YeGyxMvHmbrxlFzGOHOijtzN+u1TQNatX2XBuzZNQ1K+s2CXkPIZo7s6JgZyvaBev YtxPvYLw4z9mR7K2vaF18UYH9Z9GNUUeayffKC73PYc= ) ; keytag 38696`
	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 20251121000000 20251031000000 20326 . qnzPUNeV8plQe0Se5Fa0uHS0Ygf4DSnEekaMeH7GQRbNhk6ntkneJFKUN+EBJQfd/JoaY//18qf4 G6YrWE/a+FwJ5oefafEhuJWhITrXMle9e4oy4Z7sjb7e1ajwGSKlcfp0Rsulv/aPlLLfl+4jUijr zzZUvUJA10LzOwswvjI16xA3HMG9rEh0mKY0RywLI+R5NkYgDzY0QGL9BMaUHWNV+eTFBmMpmg3j jKGnIg8jmFhqcypUqLXW7md/oO+k0A8QG39nGvhx7rVDUoaQd7atJH2jtzGeXW8n/XI/ncI9fSoX rLXu6NvJY5bX6dXI9ypg+sFnkF7Fd4TdZ8AasA== )`
	RRSIG=20326 and DNSKEY=20326/SEP verifies the DNSKEY RRset
	DNSKEY=61809 is now in the chain-of-trust
	DNSKEY=38696/SEP is now in the chain-of-trust
	Query to d.root-servers.net for umbc.edu/A
	Received 1167 bytes from 199.7.91.13
	;; Response received from [199.7.91.13] 1167 octets ;; HEADER SECTION ;; id = 14341 ;; 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": 1450, ;; "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 20251119050000 20251106040000 61809 . nVv42TGkxQzRscMBCWCedq1ncm2TDIOIBrSO/iJghOxymKwMUmwQ7ni7C2K20FZKH1SJ6JfzDYxp WTQcus7StCNKBfRgNwfgLN902q2GDM4h//6Lg9iLks3AmgAVOSdy1ezdSYqovvcpV3yr/A0wEAtD 98dalnn3bLDSg7ST4mbPD5cAOkbnTyuQ2hNZo9BCl8biyTJt41MS+UkiCvssRt405yNkm6OhO5Eb y/UYOeGFy1bUGtnJPTGlTLAZ9YAG6YUZXWo4USp4iQ0bzWsWSnYIrhkVOa1zTNlPqmkKyYajIwUf GLloRiXav4v78IfYZUxSU3bqguITXmtpdkXYUw== ) ;; 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 h.root-servers.net for edu/DNSKEY
	Received 1162 bytes from 198.97.190.53
	;; Response received from [198.97.190.53] 1162 octets ;; HEADER SECTION ;; id = 1622 ;; 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) ;; 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 20251119050000 20251106040000 61809 . nVv42TGkxQzRscMBCWCedq1ncm2TDIOIBrSO/iJghOxymKwMUmwQ7ni7C2K20FZKH1SJ6JfzDYxp WTQcus7StCNKBfRgNwfgLN902q2GDM4h//6Lg9iLks3AmgAVOSdy1ezdSYqovvcpV3yr/A0wEAtD 98dalnn3bLDSg7ST4mbPD5cAOkbnTyuQ2hNZo9BCl8biyTJt41MS+UkiCvssRt405yNkm6OhO5Eb y/UYOeGFy1bUGtnJPTGlTLAZ9YAG6YUZXWo4USp4iQ0bzWsWSnYIrhkVOa1zTNlPqmkKyYajIwUf GLloRiXav4v78IfYZUxSU3bqguITXmtpdkXYUw== ) ;; 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 d.root-servers.net for edu/DS
	Received 367 bytes from 199.7.91.13
	;; Response received from [199.7.91.13] 367 octets ;; HEADER SECTION ;; id = 27867 ;; 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": 1450, ;; "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 20251119050000 20251106040000 61809 . nVv42TGkxQzRscMBCWCedq1ncm2TDIOIBrSO/iJghOxymKwMUmwQ7ni7C2K20FZKH1SJ6JfzDYxp WTQcus7StCNKBfRgNwfgLN902q2GDM4h//6Lg9iLks3AmgAVOSdy1ezdSYqovvcpV3yr/A0wEAtD 98dalnn3bLDSg7ST4mbPD5cAOkbnTyuQ2hNZo9BCl8biyTJt41MS+UkiCvssRt405yNkm6OhO5Eb y/UYOeGFy1bUGtnJPTGlTLAZ9YAG6YUZXWo4USp4iQ0bzWsWSnYIrhkVOa1zTNlPqmkKyYajIwUf GLloRiXav4v78IfYZUxSU3bqguITXmtpdkXYUw== ) ;; 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 20251119050000 20251106040000 61809 . nVv42TGkxQzRscMBCWCedq1ncm2TDIOIBrSO/iJghOxymKwMUmwQ7ni7C2K20FZKH1SJ6JfzDYxp WTQcus7StCNKBfRgNwfgLN902q2GDM4h//6Lg9iLks3AmgAVOSdy1ezdSYqovvcpV3yr/A0wEAtD 98dalnn3bLDSg7ST4mbPD5cAOkbnTyuQ2hNZo9BCl8biyTJt41MS+UkiCvssRt405yNkm6OhO5Eb y/UYOeGFy1bUGtnJPTGlTLAZ9YAG6YUZXWo4USp4iQ0bzWsWSnYIrhkVOa1zTNlPqmkKyYajIwUf GLloRiXav4v78IfYZUxSU3bqguITXmtpdkXYUw== )`
	RRSIG=61809 and DNSKEY=61809 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 = 31536 ;; 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 ( 256 3 13 z4lwcWrgRUDpdraaCEucEEmkrer/JTr5FtHXCpe1b+wON9Q2f0ytrulcutPgQOuh8YhsdM+cJa1X 5pDSvxeySA== ) ; keytag 35999 edu. 86400 IN DNSKEY ( 257 3 13 vqk4cwmCpZkXat25PaOVt3RPYDOmCr8B4D1IynrqSqzs+BeCYI6pnBNRUD9BgfqbxZHyfyDz6vbv 8KQaT7maRw== ) ; keytag 35663 edu. 86400 IN RRSIG ( DNSKEY 13 1 86400 20251121161114 20251106160614 35663 edu. MQpyEG5JAED/KAVQGwp4hZm99HcUZm0CUtB7HERQNE8Hqg/BNsp6HZcJT91XpVm6jzsjumKGQxnL pN23vLYMEg== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 2 DNSKEY records for edu
	`edu. 86400 IN DNSKEY ( 256 3 13 z4lwcWrgRUDpdraaCEucEEmkrer/JTr5FtHXCpe1b+wON9Q2f0ytrulcutPgQOuh8YhsdM+cJa1X 5pDSvxeySA== ) ; keytag 35999`
	`edu. 86400 IN DNSKEY ( 257 3 13 vqk4cwmCpZkXat25PaOVt3RPYDOmCr8B4D1IynrqSqzs+BeCYI6pnBNRUD9BgfqbxZHyfyDz6vbv 8KQaT7maRw== ) ; keytag 35663`
	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 20251121161114 20251106160614 35663 edu. MQpyEG5JAED/KAVQGwp4hZm99HcUZm0CUtB7HERQNE8Hqg/BNsp6HZcJT91XpVm6jzsjumKGQxnL pN23vLYMEg== )`
	RRSIG=35663 and DNSKEY=35663/SEP verifies the DNSKEY RRset
	DNSKEY=35999 is now in the chain-of-trust
	Query to d.edu-servers.net for umbc.edu/A
	Received 398 bytes from 192.31.80.30
	;; Response received from [192.31.80.30] 398 octets ;; HEADER SECTION ;; id = 64832 ;; 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 20251110030144 20251103015144 35999 edu. tA7hXfMs2FT4BCx6WqdkoBf+U6oMiIVeeptKGX8lUuFjJFkgisgFtSWEuDPOyOE28J2x9f2JB9yd +oNk/Ue+Yg== ) ;; 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 a.edu-servers.net for umbc.edu/DNSKEY
	Received 398 bytes from 192.5.6.30
	;; Response received from [192.5.6.30] 398 octets ;; HEADER SECTION ;; id = 64940 ;; 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 20251110030144 20251103015144 35999 edu. tA7hXfMs2FT4BCx6WqdkoBf+U6oMiIVeeptKGX8lUuFjJFkgisgFtSWEuDPOyOE28J2x9f2JB9yd +oNk/Ue+Yg== ) ;; 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 j.edu-servers.net for umbc.edu/DS
	Received 1078 bytes from 192.48.79.30
	;; Response received from [192.48.79.30] 1078 octets ;; HEADER SECTION ;; id = 54812 ;; 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 20251110030144 20251103015144 35999 edu. tA7hXfMs2FT4BCx6WqdkoBf+U6oMiIVeeptKGX8lUuFjJFkgisgFtSWEuDPOyOE28J2x9f2JB9yd +oNk/Ue+Yg== ) ;; AUTHORITY SECTION (14 records) edu. 172800 IN NS l.edu-servers.net. edu. 172800 IN NS d.edu-servers.net. edu. 172800 IN NS a.edu-servers.net. edu. 172800 IN NS k.edu-servers.net. edu. 172800 IN NS e.edu-servers.net. edu. 172800 IN NS h.edu-servers.net. edu. 172800 IN NS j.edu-servers.net. edu. 172800 IN NS g.edu-servers.net. edu. 172800 IN NS c.edu-servers.net. edu. 172800 IN NS m.edu-servers.net. edu. 172800 IN NS b.edu-servers.net. edu. 172800 IN NS f.edu-servers.net. edu. 172800 IN NS i.edu-servers.net. edu. 172800 IN RRSIG ( NS 13 1 172800 20251112030032 20251105015032 35999 edu. faKxmsY9ac6ew1GqKY8N37yg9k1RO4lsdewsTjSO5Pi7t2VwnQUDpOX3D+VD0OthwLa6MokCn72w tjvWj9dsKw== ) ;; ADDITIONAL SECTION (27 records) l.edu-servers.net. 172800 IN A 192.41.162.30 l.edu-servers.net. 172800 IN AAAA 2001:500:d937::30 d.edu-servers.net. 172800 IN A 192.31.80.30 d.edu-servers.net. 172800 IN AAAA 2001:500:856e::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 e.edu-servers.net. 172800 IN A 192.12.94.30 e.edu-servers.net. 172800 IN AAAA 2001:502:1ca1::30 h.edu-servers.net. 172800 IN A 192.54.112.30 h.edu-servers.net. 172800 IN AAAA 2001:502:8cc::30 j.edu-servers.net. 172800 IN A 192.48.79.30 j.edu-servers.net. 172800 IN AAAA 2001:502:7094::30 g.edu-servers.net. 172800 IN A 192.42.93.30 g.edu-servers.net. 172800 IN AAAA 2001:503:eea3::30 c.edu-servers.net. 172800 IN A 192.26.92.30 c.edu-servers.net. 172800 IN AAAA 2001:503:83eb::30 m.edu-servers.net. 172800 IN A 192.55.83.30 m.edu-servers.net. 172800 IN AAAA 2001:501:b1f9::30 b.edu-servers.net. 172800 IN A 192.33.14.30 b.edu-servers.net. 172800 IN AAAA 2001:503:231d::2:30 f.edu-servers.net. 172800 IN A 192.35.51.30 f.edu-servers.net. 172800 IN AAAA 2001:503:d414::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 20251110030144 20251103015144 35999 edu. tA7hXfMs2FT4BCx6WqdkoBf+U6oMiIVeeptKGX8lUuFjJFkgisgFtSWEuDPOyOE28J2x9f2JB9yd +oNk/Ue+Yg== )`
	RRSIG=35999 and DNSKEY=35999 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 dnsexternal2.umbc.edu for umbc.edu/DNSKEY
	Received 933 bytes from 130.85.1.11
	;; Response received from [130.85.1.11] 933 octets ;; HEADER SECTION ;; id = 55399 ;; 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": 4096, ;; "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 20251120070848 20251021065757 645 umbc.edu. MjFR8+7MNw6jgnYqDcu5w4LkVwLh6DtTmvQmv79EGuM9dTrXsMQakl0AepR2oqnMTDSSSkCOWDjS ipXlkT6xzUjA6Bm+0rsQW9IcoONb2Ss3ltVbfb2XPG19PJgomeURsWXjI986ea41Nq4+EtVqcwkK SRL2Usu7Qpqme4J8DrI= ) UMBC.EDU. 86400 IN RRSIG ( DNSKEY 5 2 86400 20251120070848 20251021065757 62866 umbc.edu. TYK9CMsRwgZrXkDE+2rSfLjXP5vBuR2Y6P52up9fAqAFxUpYSTbdI3YqOL9K6enq3I9CcL9Qi2i5 IAxJrmTnYWwjFnw/PgZyqOMm6/UyfD5IyRTYFnDqBjpXlWHhBcM20HEl+9O6T9i9SJCxcSJ/EOxK xycHtg2QR3N1YCLwOBW7tCV32ZeagIRuxIa7yxQcqKtjxl+6aNPT09N3RLPH8IaP1IqlcVIVnsvu v41JYPjaFq7VuEvQPgy/1y8o27K8m56JSpFJFsQDWxX+J2XmZ0dzWUyH8wg+rE8CImngtLYZ9jza PLIoaCyDwxqv7WasWd4qqBrVYrrkHEJ875OBGw== ) ;; 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 20251120070848 20251021065757 645 umbc.edu. MjFR8+7MNw6jgnYqDcu5w4LkVwLh6DtTmvQmv79EGuM9dTrXsMQakl0AepR2oqnMTDSSSkCOWDjS ipXlkT6xzUjA6Bm+0rsQW9IcoONb2Ss3ltVbfb2XPG19PJgomeURsWXjI986ea41Nq4+EtVqcwkK SRL2Usu7Qpqme4J8DrI= )`
	`UMBC.EDU. 86400 IN RRSIG ( DNSKEY 5 2 86400 20251120070848 20251021065757 62866 umbc.edu. TYK9CMsRwgZrXkDE+2rSfLjXP5vBuR2Y6P52up9fAqAFxUpYSTbdI3YqOL9K6enq3I9CcL9Qi2i5 IAxJrmTnYWwjFnw/PgZyqOMm6/UyfD5IyRTYFnDqBjpXlWHhBcM20HEl+9O6T9i9SJCxcSJ/EOxK xycHtg2QR3N1YCLwOBW7tCV32ZeagIRuxIa7yxQcqKtjxl+6aNPT09N3RLPH8IaP1IqlcVIVnsvu v41JYPjaFq7VuEvQPgy/1y8o27K8m56JSpFJFsQDWxX+J2XmZ0dzWUyH8wg+rE8CImngtLYZ9jza PLIoaCyDwxqv7WasWd4qqBrVYrrkHEJ875OBGw== )`
	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 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 = 24863 ;; 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 20251115112052 20251016105653 645 umbc.edu. Bt7dZ6fQty3psJBdzBUgiolHfOZFdNaBbTNF4Phq/hfEwjKrYu3zzZ9XyLNISY4/boo8rAxuTatC nnoHCIdJYaq8NRxVEnBY56xa8rNE3cZZNF2rl6+f08eqm9zEtz9c68pyAkiDSP1nQc/35Fbrnv4K hE3oWQWh1GDJnf0u57I= ) ;; 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 dnsexternal1.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 20251130190318 20251031180936 645 umbc.edu. k+TFxzsWjSauspjfvARCcZF676VjTuj5ujVEuUGTfmE8q8RuPuKNFYzsIv1A2kkgktUMYj0baFT3 4/km8WatEIeqNwcF/cFulAfP+cBurgs79dUVyJkLGsga7CmFzWi3RT5xanmOAbnb6cZ2RsmF9Va6 CW+GFlo1BcWK12NZHFI= ) ;; 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 20251125041001 20251026040215 645 umbc.edu. pRCVte7EZI4BeVpNt6gwivrkRIwTvyxGvtWeoAJ3OgDnVI1q75733SxE0k87Iqdwu3lWXPZdfvmP nVPi9IGF4q6BAaTfgGXpchhpCFQSlkUTKWiVo5LcohMXPLe4EJTxVfeAjXjFkzcSehmEFZ6j6FHI vXvpDzH9wk3T9npFB/k= ) dnsexternal.UMBC.EDU. 86400 IN RRSIG ( AAAA 5 3 86400 20251130221814 20251031214229 645 umbc.edu. SyuGcyMFaVfddJ66eRj4v22J85PBF4Jk07ukRsmnZ8u2ekdUdkd0g0kqqeLb8Iw7j3r5EHUy8nxY 5UjSsciXb6mMiTGXh9mT5DNB34xP+1wk2/jnA4eySQQGA+EP9nTxvpbsqRJIIAqpLido4C3Niqpo spSNCFpyqb+Upv0gx4E= ) ;; { "EDNS-VERSION": 0 }
	dnsexternal4.umbc.edu is authoritative for umbc.edu
	Found RRSIG signed by umbc.edu zone
	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 = 783 ;; 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. 2010330879 ;serial 10800 ;refresh 1800 ;retry 3600000 ;expire 21700 ;minimum ) UMBC.EDU. 86400 IN RRSIG ( SOA 5 2 86400 20251206172430 20251106162430 645 umbc.edu. Gg48cqDGygtikPt+xqPt40cBW9Afrkj3oXVzZ16rdjcRcCtSbi3lrdfjPSpb/GKaq37E5+3I/5aV luf25q8Q2xcA9AO+Y+FMmdgnRHt0JqgxjA3YUIvmKGSbaETwhwZzyy/eIbsb4xUmSak6OXxg6cMa A6Pf0t8XDFI2mGI+itE= ) ;; 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 dnsexternal3.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 20251130190318 20251031180936 645 umbc.edu. k+TFxzsWjSauspjfvARCcZF676VjTuj5ujVEuUGTfmE8q8RuPuKNFYzsIv1A2kkgktUMYj0baFT3 4/km8WatEIeqNwcF/cFulAfP+cBurgs79dUVyJkLGsga7CmFzWi3RT5xanmOAbnb6cZ2RsmF9Va6 CW+GFlo1BcWK12NZHFI= ) ;; 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 20251125041001 20251026040215 645 umbc.edu. pRCVte7EZI4BeVpNt6gwivrkRIwTvyxGvtWeoAJ3OgDnVI1q75733SxE0k87Iqdwu3lWXPZdfvmP nVPi9IGF4q6BAaTfgGXpchhpCFQSlkUTKWiVo5LcohMXPLe4EJTxVfeAjXjFkzcSehmEFZ6j6FHI vXvpDzH9wk3T9npFB/k= ) dnsexternal.UMBC.EDU. 86400 IN RRSIG ( AAAA 5 3 86400 20251130221814 20251031214229 645 umbc.edu. SyuGcyMFaVfddJ66eRj4v22J85PBF4Jk07ukRsmnZ8u2ekdUdkd0g0kqqeLb8Iw7j3r5EHUy8nxY 5UjSsciXb6mMiTGXh9mT5DNB34xP+1wk2/jnA4eySQQGA+EP9nTxvpbsqRJIIAqpLido4C3Niqpo spSNCFpyqb+Upv0gx4E= ) ;; { "EDNS-VERSION": 0 }
	Query to dnsexternal.umbc.edu for umbc.edu/SOA
	Received 1133 bytes from 130.85.1.6
	;; Response received from [130.85.1.6] 1133 octets ;; HEADER SECTION ;; id = 24415 ;; 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. 2010330879 ;serial 10800 ;refresh 1800 ;retry 3600000 ;expire 21700 ;minimum ) UMBC.EDU. 86400 IN RRSIG ( SOA 5 2 86400 20251206172430 20251106162430 645 umbc.edu. Gg48cqDGygtikPt+xqPt40cBW9Afrkj3oXVzZ16rdjcRcCtSbi3lrdfjPSpb/GKaq37E5+3I/5aV luf25q8Q2xcA9AO+Y+FMmdgnRHt0JqgxjA3YUIvmKGSbaETwhwZzyy/eIbsb4xUmSak6OXxg6cMa A6Pf0t8XDFI2mGI+itE= ) ;; 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 dnsexternal4.umbc.edu. UMBC.EDU. 86400 IN NS dnsexternal3.umbc.edu. UMBC.EDU. 86400 IN NS dnsexternal1.umbc.edu. UMBC.EDU. 86400 IN RRSIG ( NS 5 2 86400 20251130190318 20251031180936 645 umbc.edu. k+TFxzsWjSauspjfvARCcZF676VjTuj5ujVEuUGTfmE8q8RuPuKNFYzsIv1A2kkgktUMYj0baFT3 4/km8WatEIeqNwcF/cFulAfP+cBurgs79dUVyJkLGsga7CmFzWi3RT5xanmOAbnb6cZ2RsmF9Va6 CW+GFlo1BcWK12NZHFI= ) ;; 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 20251125041001 20251026040215 645 umbc.edu. pRCVte7EZI4BeVpNt6gwivrkRIwTvyxGvtWeoAJ3OgDnVI1q75733SxE0k87Iqdwu3lWXPZdfvmP nVPi9IGF4q6BAaTfgGXpchhpCFQSlkUTKWiVo5LcohMXPLe4EJTxVfeAjXjFkzcSehmEFZ6j6FHI vXvpDzH9wk3T9npFB/k= ) dnsexternal.UMBC.EDU. 86400 IN RRSIG ( AAAA 5 3 86400 20251130221814 20251031214229 645 umbc.edu. SyuGcyMFaVfddJ66eRj4v22J85PBF4Jk07ukRsmnZ8u2ekdUdkd0g0kqqeLb8Iw7j3r5EHUy8nxY 5UjSsciXb6mMiTGXh9mT5DNB34xP+1wk2/jnA4eySQQGA+EP9nTxvpbsqRJIIAqpLido4C3Niqpo spSNCFpyqb+Upv0gx4E= ) ;; { "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 = 10551 ;; 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. 2010330879 ;serial 10800 ;refresh 1800 ;retry 3600000 ;expire 21700 ;minimum ) UMBC.EDU. 86400 IN RRSIG ( SOA 5 2 86400 20251206172430 20251106162430 645 umbc.edu. Gg48cqDGygtikPt+xqPt40cBW9Afrkj3oXVzZ16rdjcRcCtSbi3lrdfjPSpb/GKaq37E5+3I/5aV luf25q8Q2xcA9AO+Y+FMmdgnRHt0JqgxjA3YUIvmKGSbaETwhwZzyy/eIbsb4xUmSak6OXxg6cMa A6Pf0t8XDFI2mGI+itE= ) ;; 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 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 20251130190318 20251031180936 645 umbc.edu. k+TFxzsWjSauspjfvARCcZF676VjTuj5ujVEuUGTfmE8q8RuPuKNFYzsIv1A2kkgktUMYj0baFT3 4/km8WatEIeqNwcF/cFulAfP+cBurgs79dUVyJkLGsga7CmFzWi3RT5xanmOAbnb6cZ2RsmF9Va6 CW+GFlo1BcWK12NZHFI= ) ;; 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 20251125041001 20251026040215 645 umbc.edu. pRCVte7EZI4BeVpNt6gwivrkRIwTvyxGvtWeoAJ3OgDnVI1q75733SxE0k87Iqdwu3lWXPZdfvmP nVPi9IGF4q6BAaTfgGXpchhpCFQSlkUTKWiVo5LcohMXPLe4EJTxVfeAjXjFkzcSehmEFZ6j6FHI vXvpDzH9wk3T9npFB/k= ) dnsexternal.UMBC.EDU. 86400 IN RRSIG ( AAAA 5 3 86400 20251130221814 20251031214229 645 umbc.edu. SyuGcyMFaVfddJ66eRj4v22J85PBF4Jk07ukRsmnZ8u2ekdUdkd0g0kqqeLb8Iw7j3r5EHUy8nxY 5UjSsciXb6mMiTGXh9mT5DNB34xP+1wk2/jnA4eySQQGA+EP9nTxvpbsqRJIIAqpLido4C3Niqpo spSNCFpyqb+Upv0gx4E= ) ;; { "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 = 19148 ;; 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. 2010330879 ;serial 10800 ;refresh 1800 ;retry 3600000 ;expire 21700 ;minimum ) UMBC.EDU. 86400 IN RRSIG ( SOA 5 2 86400 20251206172430 20251106162430 645 umbc.edu. Gg48cqDGygtikPt+xqPt40cBW9Afrkj3oXVzZ16rdjcRcCtSbi3lrdfjPSpb/GKaq37E5+3I/5aV luf25q8Q2xcA9AO+Y+FMmdgnRHt0JqgxjA3YUIvmKGSbaETwhwZzyy/eIbsb4xUmSak6OXxg6cMa A6Pf0t8XDFI2mGI+itE= ) ;; 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 dnsexternal3.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 20251130190318 20251031180936 645 umbc.edu. k+TFxzsWjSauspjfvARCcZF676VjTuj5ujVEuUGTfmE8q8RuPuKNFYzsIv1A2kkgktUMYj0baFT3 4/km8WatEIeqNwcF/cFulAfP+cBurgs79dUVyJkLGsga7CmFzWi3RT5xanmOAbnb6cZ2RsmF9Va6 CW+GFlo1BcWK12NZHFI= ) ;; 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 20251125041001 20251026040215 645 umbc.edu. pRCVte7EZI4BeVpNt6gwivrkRIwTvyxGvtWeoAJ3OgDnVI1q75733SxE0k87Iqdwu3lWXPZdfvmP nVPi9IGF4q6BAaTfgGXpchhpCFQSlkUTKWiVo5LcohMXPLe4EJTxVfeAjXjFkzcSehmEFZ6j6FHI vXvpDzH9wk3T9npFB/k= ) dnsexternal.UMBC.EDU. 86400 IN RRSIG ( AAAA 5 3 86400 20251130221814 20251031214229 645 umbc.edu. SyuGcyMFaVfddJ66eRj4v22J85PBF4Jk07ukRsmnZ8u2ekdUdkd0g0kqqeLb8Iw7j3r5EHUy8nxY 5UjSsciXb6mMiTGXh9mT5DNB34xP+1wk2/jnA4eySQQGA+EP9nTxvpbsqRJIIAqpLido4C3Niqpo spSNCFpyqb+Upv0gx4E= ) ;; { "EDNS-VERSION": 0 }
	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 = 2305 ;; 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 20251115112052 20251016105653 645 umbc.edu. Bt7dZ6fQty3psJBdzBUgiolHfOZFdNaBbTNF4Phq/hfEwjKrYu3zzZ9XyLNISY4/boo8rAxuTatC nnoHCIdJYaq8NRxVEnBY56xa8rNE3cZZNF2rl6+f08eqm9zEtz9c68pyAkiDSP1nQc/35Fbrnv4K hE3oWQWh1GDJnf0u57I= ) ;; 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 dnsexternal3.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 20251130190318 20251031180936 645 umbc.edu. k+TFxzsWjSauspjfvARCcZF676VjTuj5ujVEuUGTfmE8q8RuPuKNFYzsIv1A2kkgktUMYj0baFT3 4/km8WatEIeqNwcF/cFulAfP+cBurgs79dUVyJkLGsga7CmFzWi3RT5xanmOAbnb6cZ2RsmF9Va6 CW+GFlo1BcWK12NZHFI= ) ;; 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 20251125041001 20251026040215 645 umbc.edu. pRCVte7EZI4BeVpNt6gwivrkRIwTvyxGvtWeoAJ3OgDnVI1q75733SxE0k87Iqdwu3lWXPZdfvmP nVPi9IGF4q6BAaTfgGXpchhpCFQSlkUTKWiVo5LcohMXPLe4EJTxVfeAjXjFkzcSehmEFZ6j6FHI vXvpDzH9wk3T9npFB/k= ) dnsexternal.UMBC.EDU. 86400 IN RRSIG ( AAAA 5 3 86400 20251130221814 20251031214229 645 umbc.edu. SyuGcyMFaVfddJ66eRj4v22J85PBF4Jk07ukRsmnZ8u2ekdUdkd0g0kqqeLb8Iw7j3r5EHUy8nxY 5UjSsciXb6mMiTGXh9mT5DNB34xP+1wk2/jnA4eySQQGA+EP9nTxvpbsqRJIIAqpLido4C3Niqpo spSNCFpyqb+Upv0gx4E= ) ;; { "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 20251115112052 20251016105653 645 umbc.edu. Bt7dZ6fQty3psJBdzBUgiolHfOZFdNaBbTNF4Phq/hfEwjKrYu3zzZ9XyLNISY4/boo8rAxuTatC nnoHCIdJYaq8NRxVEnBY56xa8rNE3cZZNF2rl6+f08eqm9zEtz9c68pyAkiDSP1nQc/35Fbrnv4K hE3oWQWh1GDJnf0u57I= )`
	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 = 18178 ;; 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 20251115112052 20251016105653 645 umbc.edu. Bt7dZ6fQty3psJBdzBUgiolHfOZFdNaBbTNF4Phq/hfEwjKrYu3zzZ9XyLNISY4/boo8rAxuTatC nnoHCIdJYaq8NRxVEnBY56xa8rNE3cZZNF2rl6+f08eqm9zEtz9c68pyAkiDSP1nQc/35Fbrnv4K hE3oWQWh1GDJnf0u57I= ) ;; 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 dnsexternal4.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 20251130190318 20251031180936 645 umbc.edu. k+TFxzsWjSauspjfvARCcZF676VjTuj5ujVEuUGTfmE8q8RuPuKNFYzsIv1A2kkgktUMYj0baFT3 4/km8WatEIeqNwcF/cFulAfP+cBurgs79dUVyJkLGsga7CmFzWi3RT5xanmOAbnb6cZ2RsmF9Va6 CW+GFlo1BcWK12NZHFI= ) ;; 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 20251125041001 20251026040215 645 umbc.edu. pRCVte7EZI4BeVpNt6gwivrkRIwTvyxGvtWeoAJ3OgDnVI1q75733SxE0k87Iqdwu3lWXPZdfvmP nVPi9IGF4q6BAaTfgGXpchhpCFQSlkUTKWiVo5LcohMXPLe4EJTxVfeAjXjFkzcSehmEFZ6j6FHI vXvpDzH9wk3T9npFB/k= ) dnsexternal.UMBC.EDU. 86400 IN RRSIG ( AAAA 5 3 86400 20251130221814 20251031214229 645 umbc.edu. SyuGcyMFaVfddJ66eRj4v22J85PBF4Jk07ukRsmnZ8u2ekdUdkd0g0kqqeLb8Iw7j3r5EHUy8nxY 5UjSsciXb6mMiTGXh9mT5DNB34xP+1wk2/jnA4eySQQGA+EP9nTxvpbsqRJIIAqpLido4C3Niqpo spSNCFpyqb+Upv0gx4E= ) ;; { "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 = 65433 ;; 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 20251115112052 20251016105653 645 umbc.edu. Bt7dZ6fQty3psJBdzBUgiolHfOZFdNaBbTNF4Phq/hfEwjKrYu3zzZ9XyLNISY4/boo8rAxuTatC nnoHCIdJYaq8NRxVEnBY56xa8rNE3cZZNF2rl6+f08eqm9zEtz9c68pyAkiDSP1nQc/35Fbrnv4K hE3oWQWh1GDJnf0u57I= ) ;; 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 dnsexternal.umbc.edu. UMBC.EDU. 86400 IN NS dnsexternal3.umbc.edu. UMBC.EDU. 86400 IN RRSIG ( NS 5 2 86400 20251130190318 20251031180936 645 umbc.edu. k+TFxzsWjSauspjfvARCcZF676VjTuj5ujVEuUGTfmE8q8RuPuKNFYzsIv1A2kkgktUMYj0baFT3 4/km8WatEIeqNwcF/cFulAfP+cBurgs79dUVyJkLGsga7CmFzWi3RT5xanmOAbnb6cZ2RsmF9Va6 CW+GFlo1BcWK12NZHFI= ) ;; 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 20251125041001 20251026040215 645 umbc.edu. pRCVte7EZI4BeVpNt6gwivrkRIwTvyxGvtWeoAJ3OgDnVI1q75733SxE0k87Iqdwu3lWXPZdfvmP nVPi9IGF4q6BAaTfgGXpchhpCFQSlkUTKWiVo5LcohMXPLe4EJTxVfeAjXjFkzcSehmEFZ6j6FHI vXvpDzH9wk3T9npFB/k= ) dnsexternal.UMBC.EDU. 86400 IN RRSIG ( AAAA 5 3 86400 20251130221814 20251031214229 645 umbc.edu. SyuGcyMFaVfddJ66eRj4v22J85PBF4Jk07ukRsmnZ8u2ekdUdkd0g0kqqeLb8Iw7j3r5EHUy8nxY 5UjSsciXb6mMiTGXh9mT5DNB34xP+1wk2/jnA4eySQQGA+EP9nTxvpbsqRJIIAqpLido4C3Niqpo spSNCFpyqb+Upv0gx4E= ) ;; { "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 20251115112052 20251016105653 645 umbc.edu. Bt7dZ6fQty3psJBdzBUgiolHfOZFdNaBbTNF4Phq/hfEwjKrYu3zzZ9XyLNISY4/boo8rAxuTatC nnoHCIdJYaq8NRxVEnBY56xa8rNE3cZZNF2rl6+f08eqm9zEtz9c68pyAkiDSP1nQc/35Fbrnv4K hE3oWQWh1GDJnf0u57I= )`
	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 = 48758 ;; 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 20251115112052 20251016105653 645 umbc.edu. Bt7dZ6fQty3psJBdzBUgiolHfOZFdNaBbTNF4Phq/hfEwjKrYu3zzZ9XyLNISY4/boo8rAxuTatC nnoHCIdJYaq8NRxVEnBY56xa8rNE3cZZNF2rl6+f08eqm9zEtz9c68pyAkiDSP1nQc/35Fbrnv4K hE3oWQWh1GDJnf0u57I= ) ;; 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 dnsexternal1.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 20251130190318 20251031180936 645 umbc.edu. k+TFxzsWjSauspjfvARCcZF676VjTuj5ujVEuUGTfmE8q8RuPuKNFYzsIv1A2kkgktUMYj0baFT3 4/km8WatEIeqNwcF/cFulAfP+cBurgs79dUVyJkLGsga7CmFzWi3RT5xanmOAbnb6cZ2RsmF9Va6 CW+GFlo1BcWK12NZHFI= ) ;; 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 20251125041001 20251026040215 645 umbc.edu. pRCVte7EZI4BeVpNt6gwivrkRIwTvyxGvtWeoAJ3OgDnVI1q75733SxE0k87Iqdwu3lWXPZdfvmP nVPi9IGF4q6BAaTfgGXpchhpCFQSlkUTKWiVo5LcohMXPLe4EJTxVfeAjXjFkzcSehmEFZ6j6FHI vXvpDzH9wk3T9npFB/k= ) dnsexternal.UMBC.EDU. 86400 IN RRSIG ( AAAA 5 3 86400 20251130221814 20251031214229 645 umbc.edu. SyuGcyMFaVfddJ66eRj4v22J85PBF4Jk07ukRsmnZ8u2ekdUdkd0g0kqqeLb8Iw7j3r5EHUy8nxY 5UjSsciXb6mMiTGXh9mT5DNB34xP+1wk2/jnA4eySQQGA+EP9nTxvpbsqRJIIAqpLido4C3Niqpo spSNCFpyqb+Upv0gx4E= ) ;; { "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 = 11916 ;; 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 20251115112052 20251016105653 645 umbc.edu. Bt7dZ6fQty3psJBdzBUgiolHfOZFdNaBbTNF4Phq/hfEwjKrYu3zzZ9XyLNISY4/boo8rAxuTatC nnoHCIdJYaq8NRxVEnBY56xa8rNE3cZZNF2rl6+f08eqm9zEtz9c68pyAkiDSP1nQc/35Fbrnv4K hE3oWQWh1GDJnf0u57I= ) ;; 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 dnsexternal2.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 20251130190318 20251031180936 645 umbc.edu. k+TFxzsWjSauspjfvARCcZF676VjTuj5ujVEuUGTfmE8q8RuPuKNFYzsIv1A2kkgktUMYj0baFT3 4/km8WatEIeqNwcF/cFulAfP+cBurgs79dUVyJkLGsga7CmFzWi3RT5xanmOAbnb6cZ2RsmF9Va6 CW+GFlo1BcWK12NZHFI= ) ;; 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 20251125041001 20251026040215 645 umbc.edu. pRCVte7EZI4BeVpNt6gwivrkRIwTvyxGvtWeoAJ3OgDnVI1q75733SxE0k87Iqdwu3lWXPZdfvmP nVPi9IGF4q6BAaTfgGXpchhpCFQSlkUTKWiVo5LcohMXPLe4EJTxVfeAjXjFkzcSehmEFZ6j6FHI vXvpDzH9wk3T9npFB/k= ) dnsexternal.UMBC.EDU. 86400 IN RRSIG ( AAAA 5 3 86400 20251130221814 20251031214229 645 umbc.edu. SyuGcyMFaVfddJ66eRj4v22J85PBF4Jk07ukRsmnZ8u2ekdUdkd0g0kqqeLb8Iw7j3r5EHUy8nxY 5UjSsciXb6mMiTGXh9mT5DNB34xP+1wk2/jnA4eySQQGA+EP9nTxvpbsqRJIIAqpLido4C3Niqpo spSNCFpyqb+Upv0gx4E= ) ;; { "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 20251115112052 20251016105653 645 umbc.edu. Bt7dZ6fQty3psJBdzBUgiolHfOZFdNaBbTNF4Phq/hfEwjKrYu3zzZ9XyLNISY4/boo8rAxuTatC nnoHCIdJYaq8NRxVEnBY56xa8rNE3cZZNF2rl6+f08eqm9zEtz9c68pyAkiDSP1nQc/35Fbrnv4K hE3oWQWh1GDJnf0u57I= )`
	RRSIG=645 and DNSKEY=645 verifies the A RRset

umbc.edu

	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 = 53004 ;; 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 20251115112052 20251016105653 645 umbc.edu. Bt7dZ6fQty3psJBdzBUgiolHfOZFdNaBbTNF4Phq/hfEwjKrYu3zzZ9XyLNISY4/boo8rAxuTatC nnoHCIdJYaq8NRxVEnBY56xa8rNE3cZZNF2rl6+f08eqm9zEtz9c68pyAkiDSP1nQc/35Fbrnv4K hE3oWQWh1GDJnf0u57I= ) ;; 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 dnsexternal.umbc.edu. UMBC.EDU. 86400 IN NS dnsexternal3.umbc.edu. UMBC.EDU. 86400 IN RRSIG ( NS 5 2 86400 20251130190318 20251031180936 645 umbc.edu. k+TFxzsWjSauspjfvARCcZF676VjTuj5ujVEuUGTfmE8q8RuPuKNFYzsIv1A2kkgktUMYj0baFT3 4/km8WatEIeqNwcF/cFulAfP+cBurgs79dUVyJkLGsga7CmFzWi3RT5xanmOAbnb6cZ2RsmF9Va6 CW+GFlo1BcWK12NZHFI= ) ;; 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 20251125041001 20251026040215 645 umbc.edu. pRCVte7EZI4BeVpNt6gwivrkRIwTvyxGvtWeoAJ3OgDnVI1q75733SxE0k87Iqdwu3lWXPZdfvmP nVPi9IGF4q6BAaTfgGXpchhpCFQSlkUTKWiVo5LcohMXPLe4EJTxVfeAjXjFkzcSehmEFZ6j6FHI vXvpDzH9wk3T9npFB/k= ) dnsexternal.UMBC.EDU. 86400 IN RRSIG ( AAAA 5 3 86400 20251130221814 20251031214229 645 umbc.edu. SyuGcyMFaVfddJ66eRj4v22J85PBF4Jk07ukRsmnZ8u2ekdUdkd0g0kqqeLb8Iw7j3r5EHUy8nxY 5UjSsciXb6mMiTGXh9mT5DNB34xP+1wk2/jnA4eySQQGA+EP9nTxvpbsqRJIIAqpLido4C3Niqpo spSNCFpyqb+Upv0gx4E= ) ;; { "EDNS-VERSION": 0 }
	dnsexternal.umbc.edu is authoritative for umbc.edu
	Found RRSIG signed by umbc.edu zone
	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 = 51726 ;; 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 20251115112052 20251016105653 645 umbc.edu. Bt7dZ6fQty3psJBdzBUgiolHfOZFdNaBbTNF4Phq/hfEwjKrYu3zzZ9XyLNISY4/boo8rAxuTatC nnoHCIdJYaq8NRxVEnBY56xa8rNE3cZZNF2rl6+f08eqm9zEtz9c68pyAkiDSP1nQc/35Fbrnv4K hE3oWQWh1GDJnf0u57I= ) ;; 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 dnsexternal.umbc.edu. UMBC.EDU. 86400 IN NS dnsexternal4.umbc.edu. UMBC.EDU. 86400 IN RRSIG ( NS 5 2 86400 20251130190318 20251031180936 645 umbc.edu. k+TFxzsWjSauspjfvARCcZF676VjTuj5ujVEuUGTfmE8q8RuPuKNFYzsIv1A2kkgktUMYj0baFT3 4/km8WatEIeqNwcF/cFulAfP+cBurgs79dUVyJkLGsga7CmFzWi3RT5xanmOAbnb6cZ2RsmF9Va6 CW+GFlo1BcWK12NZHFI= ) ;; 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 20251125041001 20251026040215 645 umbc.edu. pRCVte7EZI4BeVpNt6gwivrkRIwTvyxGvtWeoAJ3OgDnVI1q75733SxE0k87Iqdwu3lWXPZdfvmP nVPi9IGF4q6BAaTfgGXpchhpCFQSlkUTKWiVo5LcohMXPLe4EJTxVfeAjXjFkzcSehmEFZ6j6FHI vXvpDzH9wk3T9npFB/k= ) dnsexternal.UMBC.EDU. 86400 IN RRSIG ( AAAA 5 3 86400 20251130221814 20251031214229 645 umbc.edu. SyuGcyMFaVfddJ66eRj4v22J85PBF4Jk07ukRsmnZ8u2ekdUdkd0g0kqqeLb8Iw7j3r5EHUy8nxY 5UjSsciXb6mMiTGXh9mT5DNB34xP+1wk2/jnA4eySQQGA+EP9nTxvpbsqRJIIAqpLido4C3Niqpo spSNCFpyqb+Upv0gx4E= ) ;; { "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 20251115112052 20251016105653 645 umbc.edu. Bt7dZ6fQty3psJBdzBUgiolHfOZFdNaBbTNF4Phq/hfEwjKrYu3zzZ9XyLNISY4/boo8rAxuTatC nnoHCIdJYaq8NRxVEnBY56xa8rNE3cZZNF2rl6+f08eqm9zEtz9c68pyAkiDSP1nQc/35Fbrnv4K hE3oWQWh1GDJnf0u57I= )`
	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 = 64777 ;; 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 20251115112052 20251016105653 645 umbc.edu. Bt7dZ6fQty3psJBdzBUgiolHfOZFdNaBbTNF4Phq/hfEwjKrYu3zzZ9XyLNISY4/boo8rAxuTatC nnoHCIdJYaq8NRxVEnBY56xa8rNE3cZZNF2rl6+f08eqm9zEtz9c68pyAkiDSP1nQc/35Fbrnv4K hE3oWQWh1GDJnf0u57I= ) ;; 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 20251130190318 20251031180936 645 umbc.edu. k+TFxzsWjSauspjfvARCcZF676VjTuj5ujVEuUGTfmE8q8RuPuKNFYzsIv1A2kkgktUMYj0baFT3 4/km8WatEIeqNwcF/cFulAfP+cBurgs79dUVyJkLGsga7CmFzWi3RT5xanmOAbnb6cZ2RsmF9Va6 CW+GFlo1BcWK12NZHFI= ) ;; 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 20251125041001 20251026040215 645 umbc.edu. pRCVte7EZI4BeVpNt6gwivrkRIwTvyxGvtWeoAJ3OgDnVI1q75733SxE0k87Iqdwu3lWXPZdfvmP nVPi9IGF4q6BAaTfgGXpchhpCFQSlkUTKWiVo5LcohMXPLe4EJTxVfeAjXjFkzcSehmEFZ6j6FHI vXvpDzH9wk3T9npFB/k= ) dnsexternal.UMBC.EDU. 86400 IN RRSIG ( AAAA 5 3 86400 20251130221814 20251031214229 645 umbc.edu. SyuGcyMFaVfddJ66eRj4v22J85PBF4Jk07ukRsmnZ8u2ekdUdkd0g0kqqeLb8Iw7j3r5EHUy8nxY 5UjSsciXb6mMiTGXh9mT5DNB34xP+1wk2/jnA4eySQQGA+EP9nTxvpbsqRJIIAqpLido4C3Niqpo spSNCFpyqb+Upv0gx4E= ) ;; { "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 = 11912 ;; 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 20251115112052 20251016105653 645 umbc.edu. Bt7dZ6fQty3psJBdzBUgiolHfOZFdNaBbTNF4Phq/hfEwjKrYu3zzZ9XyLNISY4/boo8rAxuTatC nnoHCIdJYaq8NRxVEnBY56xa8rNE3cZZNF2rl6+f08eqm9zEtz9c68pyAkiDSP1nQc/35Fbrnv4K hE3oWQWh1GDJnf0u57I= ) ;; 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 20251130190318 20251031180936 645 umbc.edu. k+TFxzsWjSauspjfvARCcZF676VjTuj5ujVEuUGTfmE8q8RuPuKNFYzsIv1A2kkgktUMYj0baFT3 4/km8WatEIeqNwcF/cFulAfP+cBurgs79dUVyJkLGsga7CmFzWi3RT5xanmOAbnb6cZ2RsmF9Va6 CW+GFlo1BcWK12NZHFI= ) ;; 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 20251125041001 20251026040215 645 umbc.edu. pRCVte7EZI4BeVpNt6gwivrkRIwTvyxGvtWeoAJ3OgDnVI1q75733SxE0k87Iqdwu3lWXPZdfvmP nVPi9IGF4q6BAaTfgGXpchhpCFQSlkUTKWiVo5LcohMXPLe4EJTxVfeAjXjFkzcSehmEFZ6j6FHI vXvpDzH9wk3T9npFB/k= ) dnsexternal.UMBC.EDU. 86400 IN RRSIG ( AAAA 5 3 86400 20251130221814 20251031214229 645 umbc.edu. SyuGcyMFaVfddJ66eRj4v22J85PBF4Jk07ukRsmnZ8u2ekdUdkd0g0kqqeLb8Iw7j3r5EHUy8nxY 5UjSsciXb6mMiTGXh9mT5DNB34xP+1wk2/jnA4eySQQGA+EP9nTxvpbsqRJIIAqpLido4C3Niqpo spSNCFpyqb+Upv0gx4E= ) ;; { "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 20251115112052 20251016105653 645 umbc.edu. Bt7dZ6fQty3psJBdzBUgiolHfOZFdNaBbTNF4Phq/hfEwjKrYu3zzZ9XyLNISY4/boo8rAxuTatC nnoHCIdJYaq8NRxVEnBY56xa8rNE3cZZNF2rl6+f08eqm9zEtz9c68pyAkiDSP1nQc/35Fbrnv4K hE3oWQWh1GDJnf0u57I= )`
	RRSIG=645 and DNSKEY=645 verifies the A RRset

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DNSSEC Debugger

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Trust Anchor:
Name Servers: