DNSSEC Debugger - umich.edu

Domain Name:

Time: 2025-12-16 21:13:22 UTC

Analyzing DNSSEC problems for umich.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 i.root-servers.net for ./DNSKEY
	Received 1141 bytes from 192.36.148.17
	;; Response received from [192.36.148.17] 1141 octets ;; HEADER SECTION ;; id = 18037 ;; 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 AwEAAeuS7hMRZ7muj1c/ew2DoavxkBw3jUG5R79pKVDI39fxvlD1HfJYGJERnXuV4SrQfUPzWw/l t5Axb0EqXL/sQ2ZyntVmwQwoSXi2l9smlIKh2UrkTmmozRCPe7GS4fZTE4Ew7AV4YprTLgVmxiGP 4unRuXkYOgQJXCIBpVCmEdUli6X2sm0i5ZilU/Q+rX3RDw+eYPP7K0cJnJ+ZnvQDy14+BFtreWl9 enNQljgGpBp26lEp1z7AbvUfzkQNVCVGaM8jEaCSALXiROlwCQMOdj+tpLXFf99kdJnTQw2cpEr1 uGs/yENAJpoGhbjZAoIkXzDUBSlfFeYz7FWzH6gIe7M= ) ; keytag 61809 . 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 20251231000000 20251210000000 20326 . GtG815YBui59E5sObprF3pDkJhEZQhPIgRdJAGItKoXToXmek0SDpBkg7wsmoM/WWeDNWaYecNTO tz3HTi5ncNHH/vPwBSySDS2AlGCcXDH5gdoh1bIjU98OoT2QfdeujlTr8UqJ60woWwC3HUb2oyeT YSYAargeWYJ4KvNh1vkhcyg9ygR12ohkCC5XhAWucdmuVwnE5Y9qABCStI27yYppoGv36UHakdqW rhdUStla6r0C4f4BudLZX/EkFRlUUhxkwa+XtLfYO2QQxCfuot0Msne9FVEe4HNkFutJw4mGNgQZ yESjt9Q8bGbzCngJgV89HzM02ChJAVofG2ltew== ) ;; 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 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 20251231000000 20251210000000 20326 . GtG815YBui59E5sObprF3pDkJhEZQhPIgRdJAGItKoXToXmek0SDpBkg7wsmoM/WWeDNWaYecNTO tz3HTi5ncNHH/vPwBSySDS2AlGCcXDH5gdoh1bIjU98OoT2QfdeujlTr8UqJ60woWwC3HUb2oyeT YSYAargeWYJ4KvNh1vkhcyg9ygR12ohkCC5XhAWucdmuVwnE5Y9qABCStI27yYppoGv36UHakdqW rhdUStla6r0C4f4BudLZX/EkFRlUUhxkwa+XtLfYO2QQxCfuot0Msne9FVEe4HNkFutJw4mGNgQZ yESjt9Q8bGbzCngJgV89HzM02ChJAVofG2ltew== )`
	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 umich.edu/A
	Received 1168 bytes from 199.7.91.13
	;; Response received from [199.7.91.13] 1168 octets ;; HEADER SECTION ;; id = 18639 ;; 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) ;; umich.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 20251229170000 20251216160000 61809 . HCO94eWsohLN8OlfgDLNzUIkGIgeEH2PoLMMfAp6oJNA1LxO/yiBJyVZbp9xo82GXpL+vxVn+SCs vvV2lwOQG57DNOxYnN4lVgUMynqOCv/6lC4UhwPlEwcDLesjrabd1UIX0N2hlFOU2L8NOwqFC4J5 OGuWcKhaAfr5X2+7CyCIqaYVYHvnA5eHN/7gjBHOjejxmpUjvXf7v3Dx/N8ynFFsaUmRoNLYRFBL ZJEV/5lYMMWRZz3xul2G4TC/39xOQvZk+Ck+X6iPhAEy2LPV6e1gXGH1ekEA9jHOUG32CktkJ8Z0 vnocbyy0oCQU8f7nBvqdc++GAshbGzQT25rCFw== ) ;; 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 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 = 20744 ;; qr = 1 aa = 0 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 0 ;; nscount = 15 arcount = 27 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1472, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; edu. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (15 records) edu. 172800 IN NS a.edu-servers.net. edu. 172800 IN NS b.edu-servers.net. edu. 172800 IN NS c.edu-servers.net. edu. 172800 IN NS d.edu-servers.net. edu. 172800 IN NS e.edu-servers.net. edu. 172800 IN NS f.edu-servers.net. edu. 172800 IN NS g.edu-servers.net. edu. 172800 IN NS h.edu-servers.net. edu. 172800 IN NS i.edu-servers.net. edu. 172800 IN NS j.edu-servers.net. edu. 172800 IN NS k.edu-servers.net. edu. 172800 IN NS l.edu-servers.net. edu. 172800 IN NS m.edu-servers.net. edu. 86400 IN DS ( 35663 13 2 a2e1614291831a4746b5ac52b4b345357687271e85353082741f1cf3d06a4c1d ) edu. 86400 IN RRSIG ( DS 8 1 86400 20251229170000 20251216160000 61809 . HCO94eWsohLN8OlfgDLNzUIkGIgeEH2PoLMMfAp6oJNA1LxO/yiBJyVZbp9xo82GXpL+vxVn+SCs vvV2lwOQG57DNOxYnN4lVgUMynqOCv/6lC4UhwPlEwcDLesjrabd1UIX0N2hlFOU2L8NOwqFC4J5 OGuWcKhaAfr5X2+7CyCIqaYVYHvnA5eHN/7gjBHOjejxmpUjvXf7v3Dx/N8ynFFsaUmRoNLYRFBL ZJEV/5lYMMWRZz3xul2G4TC/39xOQvZk+Ck+X6iPhAEy2LPV6e1gXGH1ekEA9jHOUG32CktkJ8Z0 vnocbyy0oCQU8f7nBvqdc++GAshbGzQT25rCFw== ) ;; 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 }
	Found child zone edu

edu

	Checking DS between . and edu
	Query to h.root-servers.net for edu/DS
	Received 367 bytes from 198.97.190.53
	;; Response received from [198.97.190.53] 367 octets ;; HEADER SECTION ;; id = 53504 ;; 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 20251229170000 20251216160000 61809 . HCO94eWsohLN8OlfgDLNzUIkGIgeEH2PoLMMfAp6oJNA1LxO/yiBJyVZbp9xo82GXpL+vxVn+SCs vvV2lwOQG57DNOxYnN4lVgUMynqOCv/6lC4UhwPlEwcDLesjrabd1UIX0N2hlFOU2L8NOwqFC4J5 OGuWcKhaAfr5X2+7CyCIqaYVYHvnA5eHN/7gjBHOjejxmpUjvXf7v3Dx/N8ynFFsaUmRoNLYRFBL ZJEV/5lYMMWRZz3xul2G4TC/39xOQvZk+Ck+X6iPhAEy2LPV6e1gXGH1ekEA9jHOUG32CktkJ8Z0 vnocbyy0oCQU8f7nBvqdc++GAshbGzQT25rCFw== ) ;; 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 20251229170000 20251216160000 61809 . HCO94eWsohLN8OlfgDLNzUIkGIgeEH2PoLMMfAp6oJNA1LxO/yiBJyVZbp9xo82GXpL+vxVn+SCs vvV2lwOQG57DNOxYnN4lVgUMynqOCv/6lC4UhwPlEwcDLesjrabd1UIX0N2hlFOU2L8NOwqFC4J5 OGuWcKhaAfr5X2+7CyCIqaYVYHvnA5eHN/7gjBHOjejxmpUjvXf7v3Dx/N8ynFFsaUmRoNLYRFBL ZJEV/5lYMMWRZz3xul2G4TC/39xOQvZk+Ck+X6iPhAEy2LPV6e1gXGH1ekEA9jHOUG32CktkJ8Z0 vnocbyy0oCQU8f7nBvqdc++GAshbGzQT25rCFw== )`
	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 b.edu-servers.net for edu/DNSKEY
	Received 291 bytes from 192.33.14.30
	;; Response received from [192.33.14.30] 291 octets ;; HEADER SECTION ;; id = 15336 ;; 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 20251231161114 20251216160614 35663 edu. 7c50XNUx1D+r8MmAnnFCe2v0FnWuHbkZ1aTm4Nd8zHzcfY8DXn7l0UDaMaHBCbATD1WHVnGwYJ3M QtF64cU0mA== ) ;; 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 20251231161114 20251216160614 35663 edu. 7c50XNUx1D+r8MmAnnFCe2v0FnWuHbkZ1aTm4Nd8zHzcfY8DXn7l0UDaMaHBCbATD1WHVnGwYJ3M QtF64cU0mA== )`
	RRSIG=35663 and DNSKEY=35663/SEP verifies the DNSKEY RRset
	DNSKEY=35999 is now in the chain-of-trust
	Query to e.edu-servers.net for umich.edu/A
	Received 410 bytes from 192.12.94.30
	;; Response received from [192.12.94.30] 410 octets ;; HEADER SECTION ;; id = 35552 ;; 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 = 5 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; umich.edu. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (7 records) umich.edu. 172800 IN NS dns2.itd.umich.edu. umich.edu. 172800 IN NS dns1.itd.umich.edu. umich.edu. 172800 IN NS dns3.umich.org. umich.edu. 172800 IN NS dns4.umich.org. umich.edu. 86400 IN DS ( 41530 13 2 ce51d840fb6e56da4a9fdffd8ce666d3bd6ac63a5a364563554e2b47aa538705 ) umich.edu. 86400 IN DS ( 58714 13 2 337d48a8abb906be668023caea18ab706e1ad702bd5084ee6f0f1ba23e3d4742 ) umich.edu. 86400 IN RRSIG ( DS 13 2 86400 20251222031423 20251215020423 35999 edu. xdsSEFMctiva72n+a58FJSm6i4/Mcs5NCmCbxdDMefvD5WqK7vlUNZ/+geVV9MH2H2jlNnenUKNG 1SWkBxkvAA== ) ;; ADDITIONAL SECTION (5 records) dns2.itd.umich.edu. 172800 IN A 192.12.80.222 dns2.itd.umich.edu. 172800 IN AAAA 2607:f018:fffd:53::12 dns1.itd.umich.edu. 172800 IN A 192.12.80.214 dns1.itd.umich.edu. 172800 IN AAAA 2607:f018:fffd:53::2 ;; { "EDNS-VERSION": 0 }
	Query to e.edu-servers.net for umich.edu/DNSKEY
	Received 410 bytes from 192.12.94.30
	;; Response received from [192.12.94.30] 410 octets ;; HEADER SECTION ;; id = 43493 ;; 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 = 5 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; umich.edu. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (7 records) umich.edu. 172800 IN NS dns2.itd.umich.edu. umich.edu. 172800 IN NS dns1.itd.umich.edu. umich.edu. 172800 IN NS dns3.umich.org. umich.edu. 172800 IN NS dns4.umich.org. umich.edu. 86400 IN DS ( 41530 13 2 ce51d840fb6e56da4a9fdffd8ce666d3bd6ac63a5a364563554e2b47aa538705 ) umich.edu. 86400 IN DS ( 58714 13 2 337d48a8abb906be668023caea18ab706e1ad702bd5084ee6f0f1ba23e3d4742 ) umich.edu. 86400 IN RRSIG ( DS 13 2 86400 20251222031423 20251215020423 35999 edu. xdsSEFMctiva72n+a58FJSm6i4/Mcs5NCmCbxdDMefvD5WqK7vlUNZ/+geVV9MH2H2jlNnenUKNG 1SWkBxkvAA== ) ;; ADDITIONAL SECTION (5 records) dns2.itd.umich.edu. 172800 IN A 192.12.80.222 dns2.itd.umich.edu. 172800 IN AAAA 2607:f018:fffd:53::12 dns1.itd.umich.edu. 172800 IN A 192.12.80.214 dns1.itd.umich.edu. 172800 IN AAAA 2607:f018:fffd:53::2 ;; { "EDNS-VERSION": 0 }
	Found child zone umich.edu

umich.edu

	Checking DS between edu and umich.edu
	Query to k.edu-servers.net for umich.edu/DS
	Received 1127 bytes from 192.52.178.30
	;; Response received from [192.52.178.30] 1127 octets ;; HEADER SECTION ;; id = 31093 ;; 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 = 14 arcount = 27 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; umich.edu. IN DS ;; ANSWER SECTION (3 records) umich.edu. 86400 IN DS ( 41530 13 2 ce51d840fb6e56da4a9fdffd8ce666d3bd6ac63a5a364563554e2b47aa538705 ) umich.edu. 86400 IN DS ( 58714 13 2 337d48a8abb906be668023caea18ab706e1ad702bd5084ee6f0f1ba23e3d4742 ) umich.edu. 86400 IN RRSIG ( DS 13 2 86400 20251222031423 20251215020423 35999 edu. xdsSEFMctiva72n+a58FJSm6i4/Mcs5NCmCbxdDMefvD5WqK7vlUNZ/+geVV9MH2H2jlNnenUKNG 1SWkBxkvAA== ) ;; AUTHORITY SECTION (14 records) edu. 172800 IN NS c.edu-servers.net. edu. 172800 IN NS i.edu-servers.net. edu. 172800 IN NS d.edu-servers.net. edu. 172800 IN NS g.edu-servers.net. edu. 172800 IN NS m.edu-servers.net. edu. 172800 IN NS k.edu-servers.net. edu. 172800 IN NS e.edu-servers.net. edu. 172800 IN NS a.edu-servers.net. edu. 172800 IN NS b.edu-servers.net. edu. 172800 IN NS f.edu-servers.net. edu. 172800 IN NS j.edu-servers.net. edu. 172800 IN NS h.edu-servers.net. edu. 172800 IN NS l.edu-servers.net. edu. 172800 IN RRSIG ( NS 13 1 172800 20251222031424 20251215020424 35999 edu. T0sJb9o1BLJAH0VGW0E3mi1Yqqc22m8DtAHUxSZpL36qTwMl+tUOowRDQoku36LdqKAVeLE97J2M 0UAJeqWogw== ) ;; ADDITIONAL SECTION (27 records) c.edu-servers.net. 172800 IN A 192.26.92.30 c.edu-servers.net. 172800 IN AAAA 2001:503:83eb::30 i.edu-servers.net. 172800 IN A 192.43.172.30 i.edu-servers.net. 172800 IN AAAA 2001:503:39c1::30 d.edu-servers.net. 172800 IN A 192.31.80.30 d.edu-servers.net. 172800 IN AAAA 2001:500:856e::30 g.edu-servers.net. 172800 IN A 192.42.93.30 g.edu-servers.net. 172800 IN AAAA 2001:503:eea3::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 e.edu-servers.net. 172800 IN A 192.12.94.30 e.edu-servers.net. 172800 IN AAAA 2001:502:1ca1::30 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 f.edu-servers.net. 172800 IN A 192.35.51.30 f.edu-servers.net. 172800 IN AAAA 2001:503:d414::30 j.edu-servers.net. 172800 IN A 192.48.79.30 j.edu-servers.net. 172800 IN AAAA 2001:502:7094::30 h.edu-servers.net. 172800 IN A 192.54.112.30 h.edu-servers.net. 172800 IN AAAA 2001:502:8cc::30 l.edu-servers.net. 172800 IN A 192.41.162.30 l.edu-servers.net. 172800 IN AAAA 2001:500:d937::30 ;; { "EDNS-VERSION": 0 }
	Found 2 DS records for umich.edu in the edu zone
	DS=41530/SHA-256 has algorithm ECDSAP256SHA256
	DS=58714/SHA-256 has algorithm ECDSAP256SHA256
	Found 1 RRSIGs over DS RRset
	`umich.edu. 86400 IN RRSIG ( DS 13 2 86400 20251222031423 20251215020423 35999 edu. xdsSEFMctiva72n+a58FJSm6i4/Mcs5NCmCbxdDMefvD5WqK7vlUNZ/+geVV9MH2H2jlNnenUKNG 1SWkBxkvAA== )`
	RRSIG=35999 and DNSKEY=35999 verifies the DS RRset
	DS=41530/SHA-256 is now in the chain-of-trust
	DS=58714/SHA-256 is now in the chain-of-trust
	`umich.edu. 86400 IN DS ( 41530 13 2 ce51d840fb6e56da4a9fdffd8ce666d3bd6ac63a5a364563554e2b47aa538705 )`
	`umich.edu. 86400 IN DS ( 58714 13 2 337d48a8abb906be668023caea18ab706e1ad702bd5084ee6f0f1ba23e3d4742 )`
	Query to dns4.umich.org for umich.edu/DNSKEY
	Received 488 bytes from 3.133.73.51
	;; Response received from [3.133.73.51] 488 octets ;; HEADER SECTION ;; id = 29982 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 5 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; umich.edu. IN DNSKEY ;; ANSWER SECTION (5 records) umich.edu. 1800 IN DNSKEY ( 256 3 13 DWPZ2doECIDjoqjmT1sr0WjPAVqMnBcgHfRphvctypVlbTcUVXUhewycfrQN1qpXy5CjYgiJtJt5 fDVq+0xPNQ== ) ; keytag 43290 umich.edu. 1800 IN DNSKEY ( 257 3 13 iTDMttJDiv7po2Of2ysenghDasMCaEwuvBk2+uqgVO0kJTJztZbeKAjioUVBYnprwcNtAbqurMym ySzysYWHBw== ) ; keytag 58714 umich.edu. 1800 IN DNSKEY ( 256 3 13 jWbhSyeTg5ui6uw9Cs/6yYt+uZ6O4uUo+/axRPTvUlVEgBmbUxCV5gP803SMulMpo9NdHzYzPlSV MuMPAqytFg== ) ; keytag 64575 umich.edu. 1800 IN RRSIG ( DNSKEY 13 2 1800 20260115134423 20251216124423 43290 umich.edu. ZGJd3kjwOyebHHI1rvgoRNTV/zhC9Jpl0XYbLHBfq8yKPs7GlHVRW3PBqEiRkFZfC4/C3nCMjLVJ QlUhTFk1aw== ) umich.edu. 1800 IN RRSIG ( DNSKEY 13 2 1800 20260115134423 20251216124423 58714 umich.edu. 7zzEIInxKpPRLT/VTqahWo47YxvXRjo1iIwarrjL3Sq+doy5Ck+gPHwe3AAf7imrEZIxKCwF3dAi DS+uOSJNUg== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 3 DNSKEY records for umich.edu
	`umich.edu. 1800 IN DNSKEY ( 256 3 13 DWPZ2doECIDjoqjmT1sr0WjPAVqMnBcgHfRphvctypVlbTcUVXUhewycfrQN1qpXy5CjYgiJtJt5 fDVq+0xPNQ== ) ; keytag 43290`
	`umich.edu. 1800 IN DNSKEY ( 257 3 13 iTDMttJDiv7po2Of2ysenghDasMCaEwuvBk2+uqgVO0kJTJztZbeKAjioUVBYnprwcNtAbqurMym ySzysYWHBw== ) ; keytag 58714`
	`umich.edu. 1800 IN DNSKEY ( 256 3 13 jWbhSyeTg5ui6uw9Cs/6yYt+uZ6O4uUo+/axRPTvUlVEgBmbUxCV5gP803SMulMpo9NdHzYzPlSV MuMPAqytFg== ) ; keytag 64575`
	DNSKEY=58714/SEP is now in the chain-of-trust
	DS=58714/SHA-256 verifies DNSKEY=58714/SEP
	DS=41530/SHA-256 is published, but a corresponding DNSKEY is not
	Found 2 RRSIGs over DNSKEY RRset
	`umich.edu. 1800 IN RRSIG ( DNSKEY 13 2 1800 20260115134423 20251216124423 43290 umich.edu. ZGJd3kjwOyebHHI1rvgoRNTV/zhC9Jpl0XYbLHBfq8yKPs7GlHVRW3PBqEiRkFZfC4/C3nCMjLVJ QlUhTFk1aw== )`
	`umich.edu. 1800 IN RRSIG ( DNSKEY 13 2 1800 20260115134423 20251216124423 58714 umich.edu. 7zzEIInxKpPRLT/VTqahWo47YxvXRjo1iIwarrjL3Sq+doy5Ck+gPHwe3AAf7imrEZIxKCwF3dAi DS+uOSJNUg== )`
	RRSIG=43290 and DNSKEY=43290 verifies the DNSKEY RRset
	RRSIG=58714 and DNSKEY=58714/SEP verifies the DNSKEY RRset
	DNSKEY=43290 is now in the chain-of-trust
	DNSKEY=64575 is now in the chain-of-trust
	Query to dns2.itd.umich.edu for umich.edu/A
	Received 489 bytes from 192.12.80.222
	;; Response received from [192.12.80.222] 489 octets ;; HEADER SECTION ;; id = 18644 ;; 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 = 5 arcount = 7 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; umich.edu. IN A ;; ANSWER SECTION (3 records) umich.edu. 1800 IN A 172.66.0.37 umich.edu. 1800 IN A 162.159.140.37 umich.edu. 1800 IN RRSIG ( A 13 2 1800 20260109161418 20251210160704 64575 umich.edu. Qu12W6n8jmZTGOVs9qdegeSwca3I2FnsRx+hhvhJx76Kh6EyKP9RU8NoQIcOlJv1X75NJjEbDllA ImyRAuT1Qg== ) ;; AUTHORITY SECTION (5 records) umich.edu. 172800 IN NS dns3.umich.org. umich.edu. 172800 IN NS dns1.itd.umich.edu. umich.edu. 172800 IN NS dns2.itd.umich.edu. umich.edu. 172800 IN NS dns4.umich.org. umich.edu. 172800 IN RRSIG ( NS 13 2 172800 20260109161418 20251210160704 64575 umich.edu. JScBvuBQBHzZAt+QxreDIdyxL0NRkqaZ3u2q0T9F/7vsobaz9BmsbdhFntBqykoyz//+QzME/WYp waeyvhKgtw== ) ;; ADDITIONAL SECTION (7 records) dns2.itd.umich.edu. 1800 IN A 192.12.80.222 dns1.itd.umich.edu. 1800 IN A 192.12.80.214 dns3.umich.org. 1800 IN A 18.225.0.3 dns4.umich.org. 1800 IN A 3.133.73.51 dns2.itd.umich.edu. 172800 IN AAAA 2607:f018:fffd:53::12 dns1.itd.umich.edu. 172800 IN AAAA 2607:f018:fffd:53::2 ;; { "EDNS-VERSION": 0 }
	dns2.itd.umich.edu is authoritative for umich.edu
	Found RRSIG signed by umich.edu zone
	Query to dns3.umich.org for umich.edu/SOA
	Received 524 bytes from 18.225.0.3
	;; Response received from [18.225.0.3] 524 octets ;; HEADER SECTION ;; id = 31842 ;; 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 = 5 arcount = 7 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; umich.edu. IN SOA ;; ANSWER SECTION (2 records) umich.edu. 1800 IN SOA ( adonis10-2022.umnet.umich.edu. hostmaster.umich.edu. 752071188 ;serial 1800 ;refresh 900 ;retry 2419200 ;expire 1800 ;minimum ) umich.edu. 1800 IN RRSIG ( SOA 13 2 1800 20260115193023 20251216183023 43290 umich.edu. 7aqJCpKzKsU4n/pYZdDvTWiYZjFiOnXMW8WF9Z4toPhM9YQgqjrUY6m1qPBHq2ebwA/71C5QmxcY UXSjkiKTLw== ) ;; AUTHORITY SECTION (5 records) umich.edu. 172800 IN NS dns4.umich.org. umich.edu. 172800 IN NS dns1.itd.umich.edu. umich.edu. 172800 IN NS dns2.itd.umich.edu. umich.edu. 172800 IN NS dns3.umich.org. umich.edu. 172800 IN RRSIG ( NS 13 2 172800 20260109161418 20251210160704 64575 umich.edu. JScBvuBQBHzZAt+QxreDIdyxL0NRkqaZ3u2q0T9F/7vsobaz9BmsbdhFntBqykoyz//+QzME/WYp waeyvhKgtw== ) ;; ADDITIONAL SECTION (7 records) dns2.itd.umich.edu. 1800 IN A 192.12.80.222 dns1.itd.umich.edu. 1800 IN A 192.12.80.214 dns3.umich.org. 1800 IN A 18.225.0.3 dns4.umich.org. 1800 IN A 3.133.73.51 dns2.itd.umich.edu. 172800 IN AAAA 2607:f018:fffd:53::12 dns1.itd.umich.edu. 172800 IN AAAA 2607:f018:fffd:53::2 ;; { "EDNS-VERSION": 0 }
	Query to dns4.umich.org for umich.edu/SOA
	Received 524 bytes from 3.133.73.51
	;; Response received from [3.133.73.51] 524 octets ;; HEADER SECTION ;; id = 18233 ;; 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 = 5 arcount = 7 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; umich.edu. IN SOA ;; ANSWER SECTION (2 records) umich.edu. 1800 IN SOA ( adonis10-2022.umnet.umich.edu. hostmaster.umich.edu. 752071188 ;serial 1800 ;refresh 900 ;retry 2419200 ;expire 1800 ;minimum ) umich.edu. 1800 IN RRSIG ( SOA 13 2 1800 20260115193023 20251216183023 43290 umich.edu. 7aqJCpKzKsU4n/pYZdDvTWiYZjFiOnXMW8WF9Z4toPhM9YQgqjrUY6m1qPBHq2ebwA/71C5QmxcY UXSjkiKTLw== ) ;; AUTHORITY SECTION (5 records) umich.edu. 172800 IN NS dns4.umich.org. umich.edu. 172800 IN NS dns2.itd.umich.edu. umich.edu. 172800 IN NS dns1.itd.umich.edu. umich.edu. 172800 IN NS dns3.umich.org. umich.edu. 172800 IN RRSIG ( NS 13 2 172800 20260109161418 20251210160704 64575 umich.edu. JScBvuBQBHzZAt+QxreDIdyxL0NRkqaZ3u2q0T9F/7vsobaz9BmsbdhFntBqykoyz//+QzME/WYp waeyvhKgtw== ) ;; ADDITIONAL SECTION (7 records) dns2.itd.umich.edu. 1800 IN A 192.12.80.222 dns1.itd.umich.edu. 1800 IN A 192.12.80.214 dns3.umich.org. 1800 IN A 18.225.0.3 dns4.umich.org. 1800 IN A 3.133.73.51 dns2.itd.umich.edu. 172800 IN AAAA 2607:f018:fffd:53::12 dns1.itd.umich.edu. 172800 IN AAAA 2607:f018:fffd:53::2 ;; { "EDNS-VERSION": 0 }
	Query to dns1.itd.umich.edu for umich.edu/SOA
	Received 524 bytes from 192.12.80.214
	;; Response received from [192.12.80.214] 524 octets ;; HEADER SECTION ;; id = 56000 ;; 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 = 5 arcount = 7 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; umich.edu. IN SOA ;; ANSWER SECTION (2 records) umich.edu. 1800 IN SOA ( adonis10-2022.umnet.umich.edu. hostmaster.umich.edu. 752071188 ;serial 1800 ;refresh 900 ;retry 2419200 ;expire 1800 ;minimum ) umich.edu. 1800 IN RRSIG ( SOA 13 2 1800 20260115193023 20251216183023 43290 umich.edu. 7aqJCpKzKsU4n/pYZdDvTWiYZjFiOnXMW8WF9Z4toPhM9YQgqjrUY6m1qPBHq2ebwA/71C5QmxcY UXSjkiKTLw== ) ;; AUTHORITY SECTION (5 records) umich.edu. 172800 IN NS dns2.itd.umich.edu. umich.edu. 172800 IN NS dns1.itd.umich.edu. umich.edu. 172800 IN NS dns4.umich.org. umich.edu. 172800 IN NS dns3.umich.org. umich.edu. 172800 IN RRSIG ( NS 13 2 172800 20260109161418 20251210160704 64575 umich.edu. JScBvuBQBHzZAt+QxreDIdyxL0NRkqaZ3u2q0T9F/7vsobaz9BmsbdhFntBqykoyz//+QzME/WYp waeyvhKgtw== ) ;; ADDITIONAL SECTION (7 records) dns2.itd.umich.edu. 1800 IN A 192.12.80.222 dns1.itd.umich.edu. 1800 IN A 192.12.80.214 dns3.umich.org. 1800 IN A 18.225.0.3 dns4.umich.org. 1800 IN A 3.133.73.51 dns2.itd.umich.edu. 172800 IN AAAA 2607:f018:fffd:53::12 dns1.itd.umich.edu. 172800 IN AAAA 2607:f018:fffd:53::2 ;; { "EDNS-VERSION": 0 }
	Query to dns2.itd.umich.edu for umich.edu/A
	Received 489 bytes from 192.12.80.222
	;; Response received from [192.12.80.222] 489 octets ;; HEADER SECTION ;; id = 32374 ;; 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 = 5 arcount = 7 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; umich.edu. IN A ;; ANSWER SECTION (3 records) umich.edu. 1800 IN A 172.66.0.37 umich.edu. 1800 IN A 162.159.140.37 umich.edu. 1800 IN RRSIG ( A 13 2 1800 20260109161418 20251210160704 64575 umich.edu. Qu12W6n8jmZTGOVs9qdegeSwca3I2FnsRx+hhvhJx76Kh6EyKP9RU8NoQIcOlJv1X75NJjEbDllA ImyRAuT1Qg== ) ;; AUTHORITY SECTION (5 records) umich.edu. 172800 IN NS dns4.umich.org. umich.edu. 172800 IN NS dns3.umich.org. umich.edu. 172800 IN NS dns2.itd.umich.edu. umich.edu. 172800 IN NS dns1.itd.umich.edu. umich.edu. 172800 IN RRSIG ( NS 13 2 172800 20260109161418 20251210160704 64575 umich.edu. JScBvuBQBHzZAt+QxreDIdyxL0NRkqaZ3u2q0T9F/7vsobaz9BmsbdhFntBqykoyz//+QzME/WYp waeyvhKgtw== ) ;; ADDITIONAL SECTION (7 records) dns2.itd.umich.edu. 1800 IN A 192.12.80.222 dns1.itd.umich.edu. 1800 IN A 192.12.80.214 dns3.umich.org. 1800 IN A 18.225.0.3 dns4.umich.org. 1800 IN A 3.133.73.51 dns2.itd.umich.edu. 172800 IN AAAA 2607:f018:fffd:53::12 dns1.itd.umich.edu. 172800 IN AAAA 2607:f018:fffd:53::2 ;; { "EDNS-VERSION": 0 }
	umich.edu A RR has value 172.66.0.37
	umich.edu A RR has value 162.159.140.37
	Found 1 RRSIGs over A RRset
	`umich.edu. 1800 IN RRSIG ( A 13 2 1800 20260109161418 20251210160704 64575 umich.edu. Qu12W6n8jmZTGOVs9qdegeSwca3I2FnsRx+hhvhJx76Kh6EyKP9RU8NoQIcOlJv1X75NJjEbDllA ImyRAuT1Qg== )`
	RRSIG=64575 and DNSKEY=64575 verifies the A RRset

umich.edu

	Query to dns1.itd.umich.edu for umich.edu/A
	Received 489 bytes from 192.12.80.214
	;; Response received from [192.12.80.214] 489 octets ;; HEADER SECTION ;; id = 22309 ;; 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 = 5 arcount = 7 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; umich.edu. IN A ;; ANSWER SECTION (3 records) umich.edu. 1800 IN A 172.66.0.37 umich.edu. 1800 IN A 162.159.140.37 umich.edu. 1800 IN RRSIG ( A 13 2 1800 20260109161418 20251210160704 64575 umich.edu. Qu12W6n8jmZTGOVs9qdegeSwca3I2FnsRx+hhvhJx76Kh6EyKP9RU8NoQIcOlJv1X75NJjEbDllA ImyRAuT1Qg== ) ;; AUTHORITY SECTION (5 records) umich.edu. 172800 IN NS dns2.itd.umich.edu. umich.edu. 172800 IN NS dns4.umich.org. umich.edu. 172800 IN NS dns3.umich.org. umich.edu. 172800 IN NS dns1.itd.umich.edu. umich.edu. 172800 IN RRSIG ( NS 13 2 172800 20260109161418 20251210160704 64575 umich.edu. JScBvuBQBHzZAt+QxreDIdyxL0NRkqaZ3u2q0T9F/7vsobaz9BmsbdhFntBqykoyz//+QzME/WYp waeyvhKgtw== ) ;; ADDITIONAL SECTION (7 records) dns2.itd.umich.edu. 1800 IN A 192.12.80.222 dns1.itd.umich.edu. 1800 IN A 192.12.80.214 dns3.umich.org. 1800 IN A 18.225.0.3 dns4.umich.org. 1800 IN A 3.133.73.51 dns2.itd.umich.edu. 172800 IN AAAA 2607:f018:fffd:53::12 dns1.itd.umich.edu. 172800 IN AAAA 2607:f018:fffd:53::2 ;; { "EDNS-VERSION": 0 }
	dns1.itd.umich.edu is authoritative for umich.edu
	Found RRSIG signed by umich.edu zone
	Query to dns1.itd.umich.edu for umich.edu/A
	Received 489 bytes from 192.12.80.214
	;; Response received from [192.12.80.214] 489 octets ;; HEADER SECTION ;; id = 41733 ;; 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 = 5 arcount = 7 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; umich.edu. IN A ;; ANSWER SECTION (3 records) umich.edu. 1800 IN A 162.159.140.37 umich.edu. 1800 IN A 172.66.0.37 umich.edu. 1800 IN RRSIG ( A 13 2 1800 20260109161418 20251210160704 64575 umich.edu. Qu12W6n8jmZTGOVs9qdegeSwca3I2FnsRx+hhvhJx76Kh6EyKP9RU8NoQIcOlJv1X75NJjEbDllA ImyRAuT1Qg== ) ;; AUTHORITY SECTION (5 records) umich.edu. 172800 IN NS dns4.umich.org. umich.edu. 172800 IN NS dns2.itd.umich.edu. umich.edu. 172800 IN NS dns1.itd.umich.edu. umich.edu. 172800 IN NS dns3.umich.org. umich.edu. 172800 IN RRSIG ( NS 13 2 172800 20260109161418 20251210160704 64575 umich.edu. JScBvuBQBHzZAt+QxreDIdyxL0NRkqaZ3u2q0T9F/7vsobaz9BmsbdhFntBqykoyz//+QzME/WYp waeyvhKgtw== ) ;; ADDITIONAL SECTION (7 records) dns2.itd.umich.edu. 1800 IN A 192.12.80.222 dns1.itd.umich.edu. 1800 IN A 192.12.80.214 dns3.umich.org. 1800 IN A 18.225.0.3 dns4.umich.org. 1800 IN A 3.133.73.51 dns2.itd.umich.edu. 172800 IN AAAA 2607:f018:fffd:53::12 dns1.itd.umich.edu. 172800 IN AAAA 2607:f018:fffd:53::2 ;; { "EDNS-VERSION": 0 }
	umich.edu A RR has value 162.159.140.37
	umich.edu A RR has value 172.66.0.37
	Found 1 RRSIGs over A RRset
	`umich.edu. 1800 IN RRSIG ( A 13 2 1800 20260109161418 20251210160704 64575 umich.edu. Qu12W6n8jmZTGOVs9qdegeSwca3I2FnsRx+hhvhJx76Kh6EyKP9RU8NoQIcOlJv1X75NJjEbDllA ImyRAuT1Qg== )`
	RRSIG=64575 and DNSKEY=64575 verifies the A RRset

umich.edu

	Query to dns4.umich.org for umich.edu/A
	Received 489 bytes from 3.133.73.51
	;; Response received from [3.133.73.51] 489 octets ;; HEADER SECTION ;; id = 16560 ;; 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 = 5 arcount = 7 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; umich.edu. IN A ;; ANSWER SECTION (3 records) umich.edu. 1800 IN A 162.159.140.37 umich.edu. 1800 IN A 172.66.0.37 umich.edu. 1800 IN RRSIG ( A 13 2 1800 20260109161418 20251210160704 64575 umich.edu. Qu12W6n8jmZTGOVs9qdegeSwca3I2FnsRx+hhvhJx76Kh6EyKP9RU8NoQIcOlJv1X75NJjEbDllA ImyRAuT1Qg== ) ;; AUTHORITY SECTION (5 records) umich.edu. 172800 IN NS dns2.itd.umich.edu. umich.edu. 172800 IN NS dns1.itd.umich.edu. umich.edu. 172800 IN NS dns4.umich.org. umich.edu. 172800 IN NS dns3.umich.org. umich.edu. 172800 IN RRSIG ( NS 13 2 172800 20260109161418 20251210160704 64575 umich.edu. JScBvuBQBHzZAt+QxreDIdyxL0NRkqaZ3u2q0T9F/7vsobaz9BmsbdhFntBqykoyz//+QzME/WYp waeyvhKgtw== ) ;; ADDITIONAL SECTION (7 records) dns2.itd.umich.edu. 1800 IN A 192.12.80.222 dns1.itd.umich.edu. 1800 IN A 192.12.80.214 dns3.umich.org. 1800 IN A 18.225.0.3 dns4.umich.org. 1800 IN A 3.133.73.51 dns2.itd.umich.edu. 172800 IN AAAA 2607:f018:fffd:53::12 dns1.itd.umich.edu. 172800 IN AAAA 2607:f018:fffd:53::2 ;; { "EDNS-VERSION": 0 }
	dns4.umich.org is authoritative for umich.edu
	Found RRSIG signed by umich.edu zone
	Query to dns4.umich.org for umich.edu/A
	Received 489 bytes from 3.133.73.51
	;; Response received from [3.133.73.51] 489 octets ;; HEADER SECTION ;; id = 11611 ;; 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 = 5 arcount = 7 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; umich.edu. IN A ;; ANSWER SECTION (3 records) umich.edu. 1800 IN A 172.66.0.37 umich.edu. 1800 IN A 162.159.140.37 umich.edu. 1800 IN RRSIG ( A 13 2 1800 20260109161418 20251210160704 64575 umich.edu. Qu12W6n8jmZTGOVs9qdegeSwca3I2FnsRx+hhvhJx76Kh6EyKP9RU8NoQIcOlJv1X75NJjEbDllA ImyRAuT1Qg== ) ;; AUTHORITY SECTION (5 records) umich.edu. 172800 IN NS dns3.umich.org. umich.edu. 172800 IN NS dns4.umich.org. umich.edu. 172800 IN NS dns1.itd.umich.edu. umich.edu. 172800 IN NS dns2.itd.umich.edu. umich.edu. 172800 IN RRSIG ( NS 13 2 172800 20260109161418 20251210160704 64575 umich.edu. JScBvuBQBHzZAt+QxreDIdyxL0NRkqaZ3u2q0T9F/7vsobaz9BmsbdhFntBqykoyz//+QzME/WYp waeyvhKgtw== ) ;; ADDITIONAL SECTION (7 records) dns2.itd.umich.edu. 1800 IN A 192.12.80.222 dns1.itd.umich.edu. 1800 IN A 192.12.80.214 dns3.umich.org. 1800 IN A 18.225.0.3 dns4.umich.org. 1800 IN A 3.133.73.51 dns2.itd.umich.edu. 172800 IN AAAA 2607:f018:fffd:53::12 dns1.itd.umich.edu. 172800 IN AAAA 2607:f018:fffd:53::2 ;; { "EDNS-VERSION": 0 }
	umich.edu A RR has value 172.66.0.37
	umich.edu A RR has value 162.159.140.37
	Found 1 RRSIGs over A RRset
	`umich.edu. 1800 IN RRSIG ( A 13 2 1800 20260109161418 20251210160704 64575 umich.edu. Qu12W6n8jmZTGOVs9qdegeSwca3I2FnsRx+hhvhJx76Kh6EyKP9RU8NoQIcOlJv1X75NJjEbDllA ImyRAuT1Qg== )`
	RRSIG=64575 and DNSKEY=64575 verifies the A RRset

umich.edu

	Query to dns3.umich.org for umich.edu/A
	Received 489 bytes from 18.225.0.3
	;; Response received from [18.225.0.3] 489 octets ;; HEADER SECTION ;; id = 34800 ;; 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 = 5 arcount = 7 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; umich.edu. IN A ;; ANSWER SECTION (3 records) umich.edu. 1800 IN A 172.66.0.37 umich.edu. 1800 IN A 162.159.140.37 umich.edu. 1800 IN RRSIG ( A 13 2 1800 20260109161418 20251210160704 64575 umich.edu. Qu12W6n8jmZTGOVs9qdegeSwca3I2FnsRx+hhvhJx76Kh6EyKP9RU8NoQIcOlJv1X75NJjEbDllA ImyRAuT1Qg== ) ;; AUTHORITY SECTION (5 records) umich.edu. 172800 IN NS dns3.umich.org. umich.edu. 172800 IN NS dns4.umich.org. umich.edu. 172800 IN NS dns1.itd.umich.edu. umich.edu. 172800 IN NS dns2.itd.umich.edu. umich.edu. 172800 IN RRSIG ( NS 13 2 172800 20260109161418 20251210160704 64575 umich.edu. JScBvuBQBHzZAt+QxreDIdyxL0NRkqaZ3u2q0T9F/7vsobaz9BmsbdhFntBqykoyz//+QzME/WYp waeyvhKgtw== ) ;; ADDITIONAL SECTION (7 records) dns2.itd.umich.edu. 1800 IN A 192.12.80.222 dns1.itd.umich.edu. 1800 IN A 192.12.80.214 dns3.umich.org. 1800 IN A 18.225.0.3 dns4.umich.org. 1800 IN A 3.133.73.51 dns2.itd.umich.edu. 172800 IN AAAA 2607:f018:fffd:53::12 dns1.itd.umich.edu. 172800 IN AAAA 2607:f018:fffd:53::2 ;; { "EDNS-VERSION": 0 }
	dns3.umich.org is authoritative for umich.edu
	Found RRSIG signed by umich.edu zone
	Query to dns3.umich.org for umich.edu/A
	Received 489 bytes from 18.225.0.3
	;; Response received from [18.225.0.3] 489 octets ;; HEADER SECTION ;; id = 30793 ;; 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 = 5 arcount = 7 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; umich.edu. IN A ;; ANSWER SECTION (3 records) umich.edu. 1800 IN A 162.159.140.37 umich.edu. 1800 IN A 172.66.0.37 umich.edu. 1800 IN RRSIG ( A 13 2 1800 20260109161418 20251210160704 64575 umich.edu. Qu12W6n8jmZTGOVs9qdegeSwca3I2FnsRx+hhvhJx76Kh6EyKP9RU8NoQIcOlJv1X75NJjEbDllA ImyRAuT1Qg== ) ;; AUTHORITY SECTION (5 records) umich.edu. 172800 IN NS dns3.umich.org. umich.edu. 172800 IN NS dns2.itd.umich.edu. umich.edu. 172800 IN NS dns4.umich.org. umich.edu. 172800 IN NS dns1.itd.umich.edu. umich.edu. 172800 IN RRSIG ( NS 13 2 172800 20260109161418 20251210160704 64575 umich.edu. JScBvuBQBHzZAt+QxreDIdyxL0NRkqaZ3u2q0T9F/7vsobaz9BmsbdhFntBqykoyz//+QzME/WYp waeyvhKgtw== ) ;; ADDITIONAL SECTION (7 records) dns2.itd.umich.edu. 1800 IN A 192.12.80.222 dns1.itd.umich.edu. 1800 IN A 192.12.80.214 dns3.umich.org. 1800 IN A 18.225.0.3 dns4.umich.org. 1800 IN A 3.133.73.51 dns2.itd.umich.edu. 172800 IN AAAA 2607:f018:fffd:53::12 dns1.itd.umich.edu. 172800 IN AAAA 2607:f018:fffd:53::2 ;; { "EDNS-VERSION": 0 }
	umich.edu A RR has value 162.159.140.37
	umich.edu A RR has value 172.66.0.37
	Found 1 RRSIGs over A RRset
	`umich.edu. 1800 IN RRSIG ( A 13 2 1800 20260109161418 20251210160704 64575 umich.edu. Qu12W6n8jmZTGOVs9qdegeSwca3I2FnsRx+hhvhJx76Kh6EyKP9RU8NoQIcOlJv1X75NJjEbDllA ImyRAuT1Qg== )`
	RRSIG=64575 and DNSKEY=64575 verifies the A RRset

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