DNSSEC Debugger - pitt.edu

Domain Name:

Time: 2025-11-15 22:43:31 UTC

Analyzing DNSSEC problems for pitt.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 j.root-servers.net for ./DNSKEY
	Received 1139 bytes from 192.58.128.30
	;; Response received from [192.58.128.30] 1139 octets ;; HEADER SECTION ;; id = 37072 ;; 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": 1472, ;; "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 20251201000000 20251110000000 20326 . Z8f/sJHf4Rp/UGL8oDy+jf/M9IJLtkD1SXasi/TBXZPxAiAA0l/jjD+gang8NYNQXbur7TycUflT DG7hySsoJS+8Us/N8qnIiq42/RshiaxIe3jaqdMOqSWIN8naQ7xn0S7jWHaSArWDFVUIZyBz6SVR 6LeHlIsTssDx/KWBcsx/Tz7odSq6QcuzT7+dSYQ1CDqh+RDwmcNe1Yf5sdCnryc5lctWpr+hB3b5 yNKazSA9XGI4MyQVO2qRhZd9OmB3os400ADZ6Oq3khc527h445sBpBZ4PvEMBI12m6m4hQUID+wf H8zR7DWaPQE0o9JAYfCTqwY1HIyRx9mkGJFzWw== ) ;; 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 20251201000000 20251110000000 20326 . Z8f/sJHf4Rp/UGL8oDy+jf/M9IJLtkD1SXasi/TBXZPxAiAA0l/jjD+gang8NYNQXbur7TycUflT DG7hySsoJS+8Us/N8qnIiq42/RshiaxIe3jaqdMOqSWIN8naQ7xn0S7jWHaSArWDFVUIZyBz6SVR 6LeHlIsTssDx/KWBcsx/Tz7odSq6QcuzT7+dSYQ1CDqh+RDwmcNe1Yf5sdCnryc5lctWpr+hB3b5 yNKazSA9XGI4MyQVO2qRhZd9OmB3os400ADZ6Oq3khc527h445sBpBZ4PvEMBI12m6m4hQUID+wf H8zR7DWaPQE0o9JAYfCTqwY1HIyRx9mkGJFzWw== )`
	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 f.root-servers.net for pitt.edu/A
	Received 1167 bytes from 192.5.5.241
	;; Response received from [192.5.5.241] 1167 octets ;; HEADER SECTION ;; id = 51861 ;; qr = 1 aa = 0 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 0 ;; nscount = 15 arcount = 27 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1472, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; pitt.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 20251128170000 20251115160000 61809 . WLDpVjLW5szBaXeSe0xh2d2UgpeG70KHig0axQXeoIsr0ZNv1H0G7c37NG6IqKi85Nr0jmAKDL3N j0g7k5UYOg95AuXq8YmL1N9mC7vr8QlOVNo7qbpgeq1eplqjaXubO1R2q0xINO/ni0M6irjjAL1X P7vksoK94ScopFjpa6YqoXN+oVbpneGHqNyooi5Jn7/XzLuqv3GAloTZUEyHU0CvfwY1ekSrOmtc grcPPMJzlmir+82XrWTOBDNxU5dSrJoU9V8ImogfctgLp+Bf24esa5i6PkBi+LPjh+n9nD0XgSf+ wS+xGXNhzRfVKG1sGr54+Um83Oa/Gnc1hu3ElA== ) ;; 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 l.root-servers.net for edu/DNSKEY
	Received 1162 bytes from 199.7.83.42
	;; Response received from [199.7.83.42] 1162 octets ;; HEADER SECTION ;; id = 662 ;; 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 20251128170000 20251115160000 61809 . WLDpVjLW5szBaXeSe0xh2d2UgpeG70KHig0axQXeoIsr0ZNv1H0G7c37NG6IqKi85Nr0jmAKDL3N j0g7k5UYOg95AuXq8YmL1N9mC7vr8QlOVNo7qbpgeq1eplqjaXubO1R2q0xINO/ni0M6irjjAL1X P7vksoK94ScopFjpa6YqoXN+oVbpneGHqNyooi5Jn7/XzLuqv3GAloTZUEyHU0CvfwY1ekSrOmtc grcPPMJzlmir+82XrWTOBDNxU5dSrJoU9V8ImogfctgLp+Bf24esa5i6PkBi+LPjh+n9nD0XgSf+ wS+xGXNhzRfVKG1sGr54+Um83Oa/Gnc1hu3ElA== ) ;; 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 a.root-servers.net for edu/DS
	Received 367 bytes from 198.41.0.4
	;; Response received from [198.41.0.4] 367 octets ;; HEADER SECTION ;; id = 31372 ;; 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": 4096, ;; "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 20251128170000 20251115160000 61809 . WLDpVjLW5szBaXeSe0xh2d2UgpeG70KHig0axQXeoIsr0ZNv1H0G7c37NG6IqKi85Nr0jmAKDL3N j0g7k5UYOg95AuXq8YmL1N9mC7vr8QlOVNo7qbpgeq1eplqjaXubO1R2q0xINO/ni0M6irjjAL1X P7vksoK94ScopFjpa6YqoXN+oVbpneGHqNyooi5Jn7/XzLuqv3GAloTZUEyHU0CvfwY1ekSrOmtc grcPPMJzlmir+82XrWTOBDNxU5dSrJoU9V8ImogfctgLp+Bf24esa5i6PkBi+LPjh+n9nD0XgSf+ wS+xGXNhzRfVKG1sGr54+Um83Oa/Gnc1hu3ElA== ) ;; 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 20251128170000 20251115160000 61809 . WLDpVjLW5szBaXeSe0xh2d2UgpeG70KHig0axQXeoIsr0ZNv1H0G7c37NG6IqKi85Nr0jmAKDL3N j0g7k5UYOg95AuXq8YmL1N9mC7vr8QlOVNo7qbpgeq1eplqjaXubO1R2q0xINO/ni0M6irjjAL1X P7vksoK94ScopFjpa6YqoXN+oVbpneGHqNyooi5Jn7/XzLuqv3GAloTZUEyHU0CvfwY1ekSrOmtc grcPPMJzlmir+82XrWTOBDNxU5dSrJoU9V8ImogfctgLp+Bf24esa5i6PkBi+LPjh+n9nD0XgSf+ wS+xGXNhzRfVKG1sGr54+Um83Oa/Gnc1hu3ElA== )`
	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 a.edu-servers.net for edu/DNSKEY
	Received 291 bytes from 192.5.6.30
	;; Response received from [192.5.6.30] 291 octets ;; HEADER SECTION ;; id = 42636 ;; 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 b.edu-servers.net for pitt.edu/A
	Received 240 bytes from 192.33.14.30
	;; Response received from [192.33.14.30] 240 octets ;; HEADER SECTION ;; id = 50634 ;; 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 = 4 arcount = 3 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; pitt.edu. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (4 records) pitt.edu. 172800 IN NS ns4.pitt.edu. pitt.edu. 172800 IN NS ns5.pitt.edu. pitt.edu. 86400 IN DS 18780 7 1 809e3e2d0dba75c709fd9511e0056f6f2ed94003 pitt.edu. 86400 IN RRSIG ( DS 13 2 86400 20251122030709 20251115015709 35999 edu. D33v+AuCeZsjlAoWTQ67V9WnU0XuJ/W0/kkiWTjX9R2zEr6lXqFrg4o9OX0laUIfHqeWbPVSlZhj MOD6ewlhtQ== ) ;; ADDITIONAL SECTION (3 records) ns4.pitt.edu. 172800 IN A 136.142.15.13 ns5.pitt.edu. 172800 IN A 136.142.19.5 ;; { "EDNS-VERSION": 0 }
	Query to k.edu-servers.net for pitt.edu/DNSKEY
	Received 240 bytes from 192.52.178.30
	;; Response received from [192.52.178.30] 240 octets ;; HEADER SECTION ;; id = 21681 ;; 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 = 4 arcount = 3 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; pitt.edu. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (4 records) pitt.edu. 172800 IN NS ns4.pitt.edu. pitt.edu. 172800 IN NS ns5.pitt.edu. pitt.edu. 86400 IN DS 18780 7 1 809e3e2d0dba75c709fd9511e0056f6f2ed94003 pitt.edu. 86400 IN RRSIG ( DS 13 2 86400 20251122030709 20251115015709 35999 edu. D33v+AuCeZsjlAoWTQ67V9WnU0XuJ/W0/kkiWTjX9R2zEr6lXqFrg4o9OX0laUIfHqeWbPVSlZhj MOD6ewlhtQ== ) ;; ADDITIONAL SECTION (3 records) ns4.pitt.edu. 172800 IN A 136.142.15.13 ns5.pitt.edu. 172800 IN A 136.142.19.5 ;; { "EDNS-VERSION": 0 }
	Found child zone pitt.edu

pitt.edu

	Checking DS between edu and pitt.edu
	Query to l.edu-servers.net for pitt.edu/DS
	Received 1066 bytes from 192.41.162.30
	;; Response received from [192.41.162.30] 1066 octets ;; HEADER SECTION ;; id = 61222 ;; 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) ;; pitt.edu. IN DS ;; ANSWER SECTION (2 records) pitt.edu. 86400 IN DS 18780 7 1 809e3e2d0dba75c709fd9511e0056f6f2ed94003 pitt.edu. 86400 IN RRSIG ( DS 13 2 86400 20251122030709 20251115015709 35999 edu. D33v+AuCeZsjlAoWTQ67V9WnU0XuJ/W0/kkiWTjX9R2zEr6lXqFrg4o9OX0laUIfHqeWbPVSlZhj MOD6ewlhtQ== ) ;; AUTHORITY SECTION (14 records) edu. 172800 IN NS j.edu-servers.net. edu. 172800 IN NS m.edu-servers.net. edu. 172800 IN NS g.edu-servers.net. edu. 172800 IN NS l.edu-servers.net. edu. 172800 IN NS b.edu-servers.net. edu. 172800 IN NS a.edu-servers.net. edu. 172800 IN NS h.edu-servers.net. edu. 172800 IN NS e.edu-servers.net. edu. 172800 IN NS k.edu-servers.net. edu. 172800 IN NS d.edu-servers.net. edu. 172800 IN NS i.edu-servers.net. edu. 172800 IN NS f.edu-servers.net. edu. 172800 IN NS c.edu-servers.net. edu. 172800 IN RRSIG ( NS 13 1 172800 20251120030854 20251113015854 35999 edu. TvG93WVwjS2BIGYe3U4MFVWPUgDHKsZj1SPuQCfzgfDexJsZqR9EAw1USddq1NtAMkdo8G0wNi45 eX2DKkkBlw== ) ;; 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 m.edu-servers.net. 172800 IN A 192.55.83.30 m.edu-servers.net. 172800 IN AAAA 2001:501:b1f9::30 g.edu-servers.net. 172800 IN A 192.42.93.30 g.edu-servers.net. 172800 IN AAAA 2001:503:eea3::30 l.edu-servers.net. 172800 IN A 192.41.162.30 l.edu-servers.net. 172800 IN AAAA 2001:500:d937::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 h.edu-servers.net. 172800 IN A 192.54.112.30 h.edu-servers.net. 172800 IN AAAA 2001:502:8cc::30 e.edu-servers.net. 172800 IN A 192.12.94.30 e.edu-servers.net. 172800 IN AAAA 2001:502:1ca1::30 k.edu-servers.net. 172800 IN A 192.52.178.30 k.edu-servers.net. 172800 IN AAAA 2001:503:d2d::30 d.edu-servers.net. 172800 IN A 192.31.80.30 d.edu-servers.net. 172800 IN AAAA 2001:500:856e::30 i.edu-servers.net. 172800 IN A 192.43.172.30 i.edu-servers.net. 172800 IN AAAA 2001:503:39c1::30 f.edu-servers.net. 172800 IN A 192.35.51.30 f.edu-servers.net. 172800 IN AAAA 2001:503:d414::30 c.edu-servers.net. 172800 IN A 192.26.92.30 c.edu-servers.net. 172800 IN AAAA 2001:503:83eb::30 ;; { "EDNS-VERSION": 0 }
	Found 1 DS records for pitt.edu in the edu zone
	DS=18780/SHA-1 uses a deprecated digest algorithm
	DS=18780/SHA-1 has algorithm RSASHA1-NSEC3-SHA1
	Found 1 RRSIGs over DS RRset
	`pitt.edu. 86400 IN RRSIG ( DS 13 2 86400 20251122030709 20251115015709 35999 edu. D33v+AuCeZsjlAoWTQ67V9WnU0XuJ/W0/kkiWTjX9R2zEr6lXqFrg4o9OX0laUIfHqeWbPVSlZhj MOD6ewlhtQ== )`
	RRSIG=35999 and DNSKEY=35999 verifies the DS RRset
	DS=18780/SHA-1 is now in the chain-of-trust
	`pitt.edu. 86400 IN DS 18780 7 1 809e3e2d0dba75c709fd9511e0056f6f2ed94003`
	Query to ns4.pitt.edu for pitt.edu/DNSKEY
	Received 757 bytes from 136.142.15.13
	;; Response received from [136.142.15.13] 757 octets ;; HEADER SECTION ;; id = 44429 ;; 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) ;; pitt.edu. IN DNSKEY ;; ANSWER SECTION (3 records) pitt.edu. 86400 IN DNSKEY ( 257 3 7 AwEAAaZrq3plFr20Rlw6ldY4Il54SSrqhNC3lYlGUfzUzMSBD6dXCnDZqc4EjMP7m6lsrUhNFUkl YcZFehTb46jakayFOXdYQrg8mgz2Y2GV8jJkxeKQrdJAUeQZ61heOj1SZu8y7ibDa2yNrmhN6PkC UFTKaKyTCmKqDQoil+ZibtY2PVTKzo3eYmqZsGm0SMOwrW3MlsTdT9KuZ8Ho33ZtZYmH4bL18dZ7 ME4J5kQJ1b87tJMt9fybUSfYaNRIKcs0kI9vSKVbTbXalJDlZq8FTA85MkRmyALPhn1mjBLNhN4E mVfDDpNhBKUCDZInCqLD/aSYZ40UhS1IRjtUHUqd4xM= ) ; keytag 18780 pitt.edu. 86400 IN DNSKEY ( 256 3 7 AwEAAakKcuuZFAqTBzRAaRnW4p2GMOGj8TSf75rHT/cZCkxoOgrWJLSza1BmktOnyAyxWcqM/5Je SKRKdyKerH1eZvfFhZmoklwLHRRNU4ZmLCZI3i9cdHlaMkIFsMX/n0dAEn4SwJ1owYDZK8ElpHmY HvWdGUVPtYtptMdkoFn2x5jv ) ; keytag 35877 pitt.edu. 86400 IN RRSIG ( DNSKEY 7 2 86400 20251124120608 20251115030200 18780 pitt.edu. Qv9lGEKOX282Po616cGA4X5aqDOfIRQN/sFL6KZncn9MDM2fPxO6ENDTmuqgLmFfacgpJXwCskU4 YAtkfpZ8DF1OQK5obChE7OIyDzxD6TfDuwfc2yb+Gm1BvMl4RfjaxCL93kAWkIGbMw7D/CANumKY bPPc8p5L7XnCpzIH4JFwfK+gsJFcCdkVJh3KXM1dfpF2zGtfgyUbDA62VGzNimHXK083n7mu6j/Z jKgQuymy2o964vdSeGvL3dmnfcrk/8zzXjEuNgoxuiFaY5KFoy6zLl5ND7vy+KVWlX0vBKCk8CQ/ WjAzUUK6eeK5/9Zs/MPKL1RPAjN8nNMlNw90MQ== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 2 DNSKEY records for pitt.edu
	`pitt.edu. 86400 IN DNSKEY ( 257 3 7 AwEAAaZrq3plFr20Rlw6ldY4Il54SSrqhNC3lYlGUfzUzMSBD6dXCnDZqc4EjMP7m6lsrUhNFUkl YcZFehTb46jakayFOXdYQrg8mgz2Y2GV8jJkxeKQrdJAUeQZ61heOj1SZu8y7ibDa2yNrmhN6PkC UFTKaKyTCmKqDQoil+ZibtY2PVTKzo3eYmqZsGm0SMOwrW3MlsTdT9KuZ8Ho33ZtZYmH4bL18dZ7 ME4J5kQJ1b87tJMt9fybUSfYaNRIKcs0kI9vSKVbTbXalJDlZq8FTA85MkRmyALPhn1mjBLNhN4E mVfDDpNhBKUCDZInCqLD/aSYZ40UhS1IRjtUHUqd4xM= ) ; keytag 18780`
	`pitt.edu. 86400 IN DNSKEY ( 256 3 7 AwEAAakKcuuZFAqTBzRAaRnW4p2GMOGj8TSf75rHT/cZCkxoOgrWJLSza1BmktOnyAyxWcqM/5Je SKRKdyKerH1eZvfFhZmoklwLHRRNU4ZmLCZI3i9cdHlaMkIFsMX/n0dAEn4SwJ1owYDZK8ElpHmY HvWdGUVPtYtptMdkoFn2x5jv ) ; keytag 35877`
	DNSKEY=18780/SEP is now in the chain-of-trust
	DS=18780/SHA-1 verifies DNSKEY=18780/SEP
	Found 1 RRSIGs over DNSKEY RRset
	`pitt.edu. 86400 IN RRSIG ( DNSKEY 7 2 86400 20251124120608 20251115030200 18780 pitt.edu. Qv9lGEKOX282Po616cGA4X5aqDOfIRQN/sFL6KZncn9MDM2fPxO6ENDTmuqgLmFfacgpJXwCskU4 YAtkfpZ8DF1OQK5obChE7OIyDzxD6TfDuwfc2yb+Gm1BvMl4RfjaxCL93kAWkIGbMw7D/CANumKY bPPc8p5L7XnCpzIH4JFwfK+gsJFcCdkVJh3KXM1dfpF2zGtfgyUbDA62VGzNimHXK083n7mu6j/Z jKgQuymy2o964vdSeGvL3dmnfcrk/8zzXjEuNgoxuiFaY5KFoy6zLl5ND7vy+KVWlX0vBKCk8CQ/ WjAzUUK6eeK5/9Zs/MPKL1RPAjN8nNMlNw90MQ== )`
	RRSIG=18780 and DNSKEY=18780/SEP verifies the DNSKEY RRset
	DNSKEY=35877 is now in the chain-of-trust
	Query to ns5.pitt.edu for pitt.edu/A
	Received 221 bytes from 136.142.19.5
	;; Response received from [136.142.19.5] 221 octets ;; HEADER SECTION ;; id = 46503 ;; 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": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; pitt.edu. IN A ;; ANSWER SECTION (2 records) pitt.edu. 600 IN A 136.142.34.30 pitt.edu. 600 IN RRSIG ( A 7 2 600 20251122040153 20251112035653 35877 pitt.edu. Rizg4CIk0ymgIr2gtKzIGLMeSCWV6YjjwVk1nZPwR+h+UQVv9ZYorg5Q0p4Qd9HhYRlisgLMsoh/ PcvPoSeGvJ1M4tEf5bSfsUn3+CYBW4d+6EfYs7Ex/r9n+mBTp0gjCDswoB80ACJpvEu8XJifSkAG XjJsD1OWSkWPLiEvPKo= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	ns5.pitt.edu is authoritative for pitt.edu
	Found RRSIG signed by pitt.edu zone
	Query to ns4.pitt.edu for pitt.edu/SOA
	Received 256 bytes from 136.142.15.13
	;; Response received from [136.142.15.13] 256 octets ;; HEADER SECTION ;; id = 11560 ;; 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": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; pitt.edu. IN SOA ;; ANSWER SECTION (2 records) pitt.edu. 86400 IN SOA ( ns0.pitt.edu. hostmaster.pitt.edu. 781916531 ;serial 900 ;refresh 90 ;retry 7884000 ;expire 3600 ;minimum ) pitt.edu. 86400 IN RRSIG ( SOA 7 2 86400 20251125060203 20251115050203 35877 pitt.edu. cDRwIKdjqV/pF8+NK/OWzFDerqFy+EK59VB30No9nG1WG4GhfRm+TbScTRjeS3/8IjcXIRf6A/JJ yhxzjkmI72rJj0CJDOJjsqLzAvSgsBQSnh2tgmK264LaP2+5/tl5JrEsRKQFo+hKs0MFozKmF3eG TF9fExS1POkLLlVSZ8c= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to ns5.pitt.edu for pitt.edu/A
	Received 221 bytes from 136.142.19.5
	;; Response received from [136.142.19.5] 221 octets ;; HEADER SECTION ;; id = 41997 ;; 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": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; pitt.edu. IN A ;; ANSWER SECTION (2 records) pitt.edu. 600 IN A 136.142.34.30 pitt.edu. 600 IN RRSIG ( A 7 2 600 20251122040153 20251112035653 35877 pitt.edu. Rizg4CIk0ymgIr2gtKzIGLMeSCWV6YjjwVk1nZPwR+h+UQVv9ZYorg5Q0p4Qd9HhYRlisgLMsoh/ PcvPoSeGvJ1M4tEf5bSfsUn3+CYBW4d+6EfYs7Ex/r9n+mBTp0gjCDswoB80ACJpvEu8XJifSkAG XjJsD1OWSkWPLiEvPKo= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	pitt.edu A RR has value 136.142.34.30
	Found 1 RRSIGs over A RRset
	`pitt.edu. 600 IN RRSIG ( A 7 2 600 20251122040153 20251112035653 35877 pitt.edu. Rizg4CIk0ymgIr2gtKzIGLMeSCWV6YjjwVk1nZPwR+h+UQVv9ZYorg5Q0p4Qd9HhYRlisgLMsoh/ PcvPoSeGvJ1M4tEf5bSfsUn3+CYBW4d+6EfYs7Ex/r9n+mBTp0gjCDswoB80ACJpvEu8XJifSkAG XjJsD1OWSkWPLiEvPKo= )`
	RRSIG=35877 and DNSKEY=35877 verifies the A RRset

pitt.edu

	Query to ns4.pitt.edu for pitt.edu/A
	Received 221 bytes from 136.142.15.13
	;; Response received from [136.142.15.13] 221 octets ;; HEADER SECTION ;; id = 27600 ;; 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": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; pitt.edu. IN A ;; ANSWER SECTION (2 records) pitt.edu. 600 IN A 136.142.34.30 pitt.edu. 600 IN RRSIG ( A 7 2 600 20251122040153 20251112035653 35877 pitt.edu. Rizg4CIk0ymgIr2gtKzIGLMeSCWV6YjjwVk1nZPwR+h+UQVv9ZYorg5Q0p4Qd9HhYRlisgLMsoh/ PcvPoSeGvJ1M4tEf5bSfsUn3+CYBW4d+6EfYs7Ex/r9n+mBTp0gjCDswoB80ACJpvEu8XJifSkAG XjJsD1OWSkWPLiEvPKo= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	ns4.pitt.edu is authoritative for pitt.edu
	Found RRSIG signed by pitt.edu zone
	Query to ns4.pitt.edu for pitt.edu/A
	Received 221 bytes from 136.142.15.13
	;; Response received from [136.142.15.13] 221 octets ;; HEADER SECTION ;; id = 58713 ;; 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": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; pitt.edu. IN A ;; ANSWER SECTION (2 records) pitt.edu. 600 IN A 136.142.34.30 pitt.edu. 600 IN RRSIG ( A 7 2 600 20251122040153 20251112035653 35877 pitt.edu. Rizg4CIk0ymgIr2gtKzIGLMeSCWV6YjjwVk1nZPwR+h+UQVv9ZYorg5Q0p4Qd9HhYRlisgLMsoh/ PcvPoSeGvJ1M4tEf5bSfsUn3+CYBW4d+6EfYs7Ex/r9n+mBTp0gjCDswoB80ACJpvEu8XJifSkAG XjJsD1OWSkWPLiEvPKo= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	pitt.edu A RR has value 136.142.34.30
	Found 1 RRSIGs over A RRset
	`pitt.edu. 600 IN RRSIG ( A 7 2 600 20251122040153 20251112035653 35877 pitt.edu. Rizg4CIk0ymgIr2gtKzIGLMeSCWV6YjjwVk1nZPwR+h+UQVv9ZYorg5Q0p4Qd9HhYRlisgLMsoh/ PcvPoSeGvJ1M4tEf5bSfsUn3+CYBW4d+6EfYs7Ex/r9n+mBTp0gjCDswoB80ACJpvEu8XJifSkAG XjJsD1OWSkWPLiEvPKo= )`
	RRSIG=35877 and DNSKEY=35877 verifies the A RRset

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