DNSSEC Debugger - umich.edu

Domain Name:

Time: 2025-10-25 18:23:00 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 e.root-servers.net for ./DNSKEY
	Received 1139 bytes from 192.203.230.10
	;; Response received from [192.203.230.10] 1139 octets ;; HEADER SECTION ;; id = 16284 ;; 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 ( 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 DNSKEY ( 256 3 8 AwEAAeuS7hMRZ7muj1c/ew2DoavxkBw3jUG5R79pKVDI39fxvlD1HfJYGJERnXuV4SrQfUPzWw/l t5Axb0EqXL/sQ2ZyntVmwQwoSXi2l9smlIKh2UrkTmmozRCPe7GS4fZTE4Ew7AV4YprTLgVmxiGP 4unRuXkYOgQJXCIBpVCmEdUli6X2sm0i5ZilU/Q+rX3RDw+eYPP7K0cJnJ+ZnvQDy14+BFtreWl9 enNQljgGpBp26lEp1z7AbvUfzkQNVCVGaM8jEaCSALXiROlwCQMOdj+tpLXFf99kdJnTQw2cpEr1 uGs/yENAJpoGhbjZAoIkXzDUBSlfFeYz7FWzH6gIe7M= ) ; keytag 61809 . 172800 IN RRSIG ( DNSKEY 8 0 172800 20251111000000 20251021000000 20326 . qu+HIDWi0ILo1qOR9j+Z8KZsBjm3N+xbTPm0UrqtVgtDmcuA0BF/m4zEQ/Wf32rCnGxW2tlrw0lq Lqpf/+1UtsfFhNCp6c88XVI19sLyeJwgAK0dYjZtSzObkArDsU9YHmKfB8ai18AN4XHD6Op1G5Io RJsNYsAyWg6GOkuaFspxV9L+ddDhjRhCmDKl3vHcRc9PscgwI47Y5hJgucB0uVbK1XbiQmAg8qqB 0YiVdyWknzL3VYkbdpyMYTlBXuLY9cW2bWrclP6nAnLNJ2BuyXBKOKXYvPCLEeu6hkmBJc6twAJK rGtEZaETWnYUFUgUj3bQHKYLgInclkXIEtF7gQ== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 3 DNSKEY records for .
	`. 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 DNSKEY ( 256 3 8 AwEAAeuS7hMRZ7muj1c/ew2DoavxkBw3jUG5R79pKVDI39fxvlD1HfJYGJERnXuV4SrQfUPzWw/l t5Axb0EqXL/sQ2ZyntVmwQwoSXi2l9smlIKh2UrkTmmozRCPe7GS4fZTE4Ew7AV4YprTLgVmxiGP 4unRuXkYOgQJXCIBpVCmEdUli6X2sm0i5ZilU/Q+rX3RDw+eYPP7K0cJnJ+ZnvQDy14+BFtreWl9 enNQljgGpBp26lEp1z7AbvUfzkQNVCVGaM8jEaCSALXiROlwCQMOdj+tpLXFf99kdJnTQw2cpEr1 uGs/yENAJpoGhbjZAoIkXzDUBSlfFeYz7FWzH6gIe7M= ) ; keytag 61809`
	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 20251111000000 20251021000000 20326 . qu+HIDWi0ILo1qOR9j+Z8KZsBjm3N+xbTPm0UrqtVgtDmcuA0BF/m4zEQ/Wf32rCnGxW2tlrw0lq Lqpf/+1UtsfFhNCp6c88XVI19sLyeJwgAK0dYjZtSzObkArDsU9YHmKfB8ai18AN4XHD6Op1G5Io RJsNYsAyWg6GOkuaFspxV9L+ddDhjRhCmDKl3vHcRc9PscgwI47Y5hJgucB0uVbK1XbiQmAg8qqB 0YiVdyWknzL3VYkbdpyMYTlBXuLY9cW2bWrclP6nAnLNJ2BuyXBKOKXYvPCLEeu6hkmBJc6twAJK rGtEZaETWnYUFUgUj3bQHKYLgInclkXIEtF7gQ== )`
	RRSIG=20326 and DNSKEY=20326/SEP verifies the DNSKEY RRset
	DNSKEY=38696/SEP is now in the chain-of-trust
	DNSKEY=61809 is now in the chain-of-trust
	Query to a.root-servers.net for umich.edu/A
	Received 1168 bytes from 198.41.0.4
	;; Response received from [198.41.0.4] 1168 octets ;; HEADER SECTION ;; id = 29387 ;; 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) ;; umich.edu. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (15 records) edu. 172800 IN NS d.edu-servers.net. edu. 172800 IN NS b.edu-servers.net. edu. 172800 IN NS f.edu-servers.net. edu. 172800 IN NS h.edu-servers.net. edu. 172800 IN NS l.edu-servers.net. edu. 172800 IN NS j.edu-servers.net. edu. 172800 IN NS e.edu-servers.net. edu. 172800 IN NS c.edu-servers.net. edu. 172800 IN NS a.edu-servers.net. edu. 172800 IN NS g.edu-servers.net. edu. 172800 IN NS i.edu-servers.net. edu. 172800 IN NS m.edu-servers.net. edu. 172800 IN NS k.edu-servers.net. edu. 86400 IN DS ( 35663 13 2 a2e1614291831a4746b5ac52b4b345357687271e85353082741f1cf3d06a4c1d ) edu. 86400 IN RRSIG ( DS 8 1 86400 20251107050000 20251025040000 61809 . ZPmsNbka8P/S1K7+ctDzOu/ieP0Z+w5oScpO2T6NZE0VkpYwrsxVpnv42T6AlaBCzW6dJxUszkM7 tUwx0ENDGQgZFsapCNCukuH2lmlJBjf+txysSQaVdXZc2lzsFiJM9/dsBYznaRMF5hRkUQF454Yr kEJuSeYN6rWPWZQWs0V//etQwkT2Jl88WWwGLr2Nx0JuyKi4ftdTcG6XXXukAXP1mVKb/nfsZuiX eiJ6nlFAPDTDYc9+iBF1tl94qH7PIZjiEbifIYdHfdQbuoiOYBd6RHG1Pj08RbSzOdrixwXWpUVq x/4p5vCUE3BOSdEgK8we3ghGBGRujsWAuNcOiw== ) ;; ADDITIONAL SECTION (27 records) d.edu-servers.net. 172800 IN A 192.31.80.30 d.edu-servers.net. 172800 IN AAAA 2001:500:856e::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 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 j.edu-servers.net. 172800 IN A 192.48.79.30 j.edu-servers.net. 172800 IN AAAA 2001:502:7094::30 e.edu-servers.net. 172800 IN A 192.12.94.30 e.edu-servers.net. 172800 IN AAAA 2001:502:1ca1::30 c.edu-servers.net. 172800 IN A 192.26.92.30 c.edu-servers.net. 172800 IN AAAA 2001:503:83eb::30 a.edu-servers.net. 172800 IN A 192.5.6.30 a.edu-servers.net. 172800 IN AAAA 2001:503:a83e::2:30 g.edu-servers.net. 172800 IN A 192.42.93.30 g.edu-servers.net. 172800 IN AAAA 2001:503:eea3::30 i.edu-servers.net. 172800 IN A 192.43.172.30 i.edu-servers.net. 172800 IN AAAA 2001:503:39c1::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 ;; { "EDNS-VERSION": 0 }
	Query to d.root-servers.net for edu/DNSKEY
	Received 1162 bytes from 199.7.91.13
	;; Response received from [199.7.91.13] 1162 octets ;; HEADER SECTION ;; id = 13138 ;; 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) ;; 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 20251107050000 20251025040000 61809 . ZPmsNbka8P/S1K7+ctDzOu/ieP0Z+w5oScpO2T6NZE0VkpYwrsxVpnv42T6AlaBCzW6dJxUszkM7 tUwx0ENDGQgZFsapCNCukuH2lmlJBjf+txysSQaVdXZc2lzsFiJM9/dsBYznaRMF5hRkUQF454Yr kEJuSeYN6rWPWZQWs0V//etQwkT2Jl88WWwGLr2Nx0JuyKi4ftdTcG6XXXukAXP1mVKb/nfsZuiX eiJ6nlFAPDTDYc9+iBF1tl94qH7PIZjiEbifIYdHfdQbuoiOYBd6RHG1Pj08RbSzOdrixwXWpUVq x/4p5vCUE3BOSdEgK8we3ghGBGRujsWAuNcOiw== ) ;; 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 l.root-servers.net for edu/DS
	Received 367 bytes from 199.7.83.42
	;; Response received from [199.7.83.42] 367 octets ;; HEADER SECTION ;; id = 44601 ;; 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 20251107050000 20251025040000 61809 . ZPmsNbka8P/S1K7+ctDzOu/ieP0Z+w5oScpO2T6NZE0VkpYwrsxVpnv42T6AlaBCzW6dJxUszkM7 tUwx0ENDGQgZFsapCNCukuH2lmlJBjf+txysSQaVdXZc2lzsFiJM9/dsBYznaRMF5hRkUQF454Yr kEJuSeYN6rWPWZQWs0V//etQwkT2Jl88WWwGLr2Nx0JuyKi4ftdTcG6XXXukAXP1mVKb/nfsZuiX eiJ6nlFAPDTDYc9+iBF1tl94qH7PIZjiEbifIYdHfdQbuoiOYBd6RHG1Pj08RbSzOdrixwXWpUVq x/4p5vCUE3BOSdEgK8we3ghGBGRujsWAuNcOiw== ) ;; 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 20251107050000 20251025040000 61809 . ZPmsNbka8P/S1K7+ctDzOu/ieP0Z+w5oScpO2T6NZE0VkpYwrsxVpnv42T6AlaBCzW6dJxUszkM7 tUwx0ENDGQgZFsapCNCukuH2lmlJBjf+txysSQaVdXZc2lzsFiJM9/dsBYznaRMF5hRkUQF454Yr kEJuSeYN6rWPWZQWs0V//etQwkT2Jl88WWwGLr2Nx0JuyKi4ftdTcG6XXXukAXP1mVKb/nfsZuiX eiJ6nlFAPDTDYc9+iBF1tl94qH7PIZjiEbifIYdHfdQbuoiOYBd6RHG1Pj08RbSzOdrixwXWpUVq x/4p5vCUE3BOSdEgK8we3ghGBGRujsWAuNcOiw== )`
	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 = 43475 ;; 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 20251101151114 20251017150614 35663 edu. eS6qSccAGXZ34LQALKubWMNMIwRf8KjZ6nypFx1DKwDHz8xcwI86HnEAA9xlDeq9UPcZGW1U2yg6 nlq3x4CMyg== ) ;; 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 20251101151114 20251017150614 35663 edu. eS6qSccAGXZ34LQALKubWMNMIwRf8KjZ6nypFx1DKwDHz8xcwI86HnEAA9xlDeq9UPcZGW1U2yg6 nlq3x4CMyg== )`
	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 umich.edu/A
	Received 382 bytes from 192.31.80.30
	;; Response received from [192.31.80.30] 382 octets ;; HEADER SECTION ;; id = 41478 ;; 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 = 4 ;; { "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 20251031030133 20251024015133 35999 edu. 4q60u8zmca88LLumm4fCXE5s7tR2Z3wodLQXPBkkB2gmJseDLpar5VBMwqGNvo3oWZI7iIKcbqLy F5HoXp0ySg== ) ;; ADDITIONAL SECTION (4 records) dns2.itd.umich.edu. 172800 IN A 192.12.80.222 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 l.edu-servers.net for umich.edu/DNSKEY
	Received 382 bytes from 192.41.162.30
	;; Response received from [192.41.162.30] 382 octets ;; HEADER SECTION ;; id = 36233 ;; 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 = 4 ;; { "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 20251031030133 20251024015133 35999 edu. 4q60u8zmca88LLumm4fCXE5s7tR2Z3wodLQXPBkkB2gmJseDLpar5VBMwqGNvo3oWZI7iIKcbqLy F5HoXp0ySg== ) ;; ADDITIONAL SECTION (4 records) dns2.itd.umich.edu. 172800 IN A 192.12.80.222 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 b.edu-servers.net for umich.edu/DS
	Received 1127 bytes from 192.33.14.30
	;; Response received from [192.33.14.30] 1127 octets ;; HEADER SECTION ;; id = 57731 ;; 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 20251031030133 20251024015133 35999 edu. 4q60u8zmca88LLumm4fCXE5s7tR2Z3wodLQXPBkkB2gmJseDLpar5VBMwqGNvo3oWZI7iIKcbqLy F5HoXp0ySg== ) ;; AUTHORITY SECTION (14 records) edu. 172800 IN NS j.edu-servers.net. edu. 172800 IN NS d.edu-servers.net. edu. 172800 IN NS h.edu-servers.net. edu. 172800 IN NS g.edu-servers.net. edu. 172800 IN NS e.edu-servers.net. edu. 172800 IN NS k.edu-servers.net. edu. 172800 IN NS b.edu-servers.net. edu. 172800 IN NS l.edu-servers.net. edu. 172800 IN NS i.edu-servers.net. edu. 172800 IN NS c.edu-servers.net. edu. 172800 IN NS m.edu-servers.net. edu. 172800 IN NS f.edu-servers.net. edu. 172800 IN NS a.edu-servers.net. edu. 172800 IN RRSIG ( NS 13 1 172800 20251031030133 20251024015133 35999 edu. 1JkS21rId/PPFDYm/5ts31E6BUBurDUkwzi8PRY3bp14zTXPm+IOr8gG+57VLXUDZq2O2XZ2zX+8 VaLNzrKWdA== ) ;; 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 d.edu-servers.net. 172800 IN A 192.31.80.30 d.edu-servers.net. 172800 IN AAAA 2001:500:856e::30 h.edu-servers.net. 172800 IN A 192.54.112.30 h.edu-servers.net. 172800 IN AAAA 2001:502:8cc::30 g.edu-servers.net. 172800 IN A 192.42.93.30 g.edu-servers.net. 172800 IN AAAA 2001:503:eea3::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 b.edu-servers.net. 172800 IN A 192.33.14.30 b.edu-servers.net. 172800 IN AAAA 2001:503:231d::2:30 l.edu-servers.net. 172800 IN A 192.41.162.30 l.edu-servers.net. 172800 IN AAAA 2001:500:d937::30 i.edu-servers.net. 172800 IN A 192.43.172.30 i.edu-servers.net. 172800 IN AAAA 2001:503:39c1::30 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 f.edu-servers.net. 172800 IN A 192.35.51.30 f.edu-servers.net. 172800 IN AAAA 2001:503:d414::30 a.edu-servers.net. 172800 IN A 192.5.6.30 a.edu-servers.net. 172800 IN AAAA 2001:503:a83e::2:30 ;; { "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 20251031030133 20251024015133 35999 edu. 4q60u8zmca88LLumm4fCXE5s7tR2Z3wodLQXPBkkB2gmJseDLpar5VBMwqGNvo3oWZI7iIKcbqLy F5HoXp0ySg== )`
	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 dns2.itd.umich.edu for umich.edu/DNSKEY
	Received 488 bytes from 192.12.80.222
	;; Response received from [192.12.80.222] 488 octets ;; HEADER SECTION ;; id = 17888 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 5 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; umich.edu. IN DNSKEY ;; ANSWER SECTION (5 records) umich.edu. 1800 IN DNSKEY ( 257 3 13 iTDMttJDiv7po2Of2ysenghDasMCaEwuvBk2+uqgVO0kJTJztZbeKAjioUVBYnprwcNtAbqurMym ySzysYWHBw== ) ; keytag 58714 umich.edu. 1800 IN DNSKEY ( 256 3 13 VrBMPP1MhP/f7noAVvyPNKJ8CPJQyYghGcXsW1EAPCy86nS2HYyqAgMJB0OcJARIWm4CGMF/RNPL n9AYMhF9dg== ) ; keytag 54031 umich.edu. 1800 IN DNSKEY ( 256 3 13 ormwjuld7yHNCP7aBB4R9Vibf3V/B1j0fg5Kf5yl7BBPg0kZW5g1ik+fTh2VPee+mogcP5FOAC8M OImqu0piXA== ) ; keytag 21348 umich.edu. 1800 IN RRSIG ( DNSKEY 13 2 1800 20251124104202 20251025094202 21348 umich.edu. FlNtqfIs8H10IErhBpmFF/Ap5PXkeTk3q3juQRe1Kidrm4rj4b6RnSibm/X/KhLaXnR1FZRm8j0H YWVefu96oA== ) umich.edu. 1800 IN RRSIG ( DNSKEY 13 2 1800 20251124104202 20251025094202 58714 umich.edu. /Gl4DbO8XyJWJpIVP8d1TKh523GSLambM6syPB90TBjhiXU35tPEPR0xPVH2EKOJrKlwIMWtF1l2 bRfg7LpP2Q== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 3 DNSKEY records for umich.edu
	`umich.edu. 1800 IN DNSKEY ( 257 3 13 iTDMttJDiv7po2Of2ysenghDasMCaEwuvBk2+uqgVO0kJTJztZbeKAjioUVBYnprwcNtAbqurMym ySzysYWHBw== ) ; keytag 58714`
	`umich.edu. 1800 IN DNSKEY ( 256 3 13 VrBMPP1MhP/f7noAVvyPNKJ8CPJQyYghGcXsW1EAPCy86nS2HYyqAgMJB0OcJARIWm4CGMF/RNPL n9AYMhF9dg== ) ; keytag 54031`
	`umich.edu. 1800 IN DNSKEY ( 256 3 13 ormwjuld7yHNCP7aBB4R9Vibf3V/B1j0fg5Kf5yl7BBPg0kZW5g1ik+fTh2VPee+mogcP5FOAC8M OImqu0piXA== ) ; keytag 21348`
	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 20251124104202 20251025094202 21348 umich.edu. FlNtqfIs8H10IErhBpmFF/Ap5PXkeTk3q3juQRe1Kidrm4rj4b6RnSibm/X/KhLaXnR1FZRm8j0H YWVefu96oA== )`
	`umich.edu. 1800 IN RRSIG ( DNSKEY 13 2 1800 20251124104202 20251025094202 58714 umich.edu. /Gl4DbO8XyJWJpIVP8d1TKh523GSLambM6syPB90TBjhiXU35tPEPR0xPVH2EKOJrKlwIMWtF1l2 bRfg7LpP2Q== )`
	RRSIG=21348 and DNSKEY=21348 verifies the DNSKEY RRset
	RRSIG=58714 and DNSKEY=58714/SEP verifies the DNSKEY RRset
	DNSKEY=54031 is now in the chain-of-trust
	DNSKEY=21348 is now in the chain-of-trust
	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 = 7067 ;; 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 20251120161651 20251023094203 21348 umich.edu. yszgKgfyc7VQAl096Jqrh1lPjK8UUbECW2sAzURZzUMHZo438C4iiLBUhWWZSMSHKZYvCWclqPE5 Kbn93LuLeA== ) ;; 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 dns4.umich.org. umich.edu. 172800 IN NS dns2.itd.umich.edu. umich.edu. 172800 IN RRSIG ( NS 13 2 172800 20251120161651 20251023094203 21348 umich.edu. ttA7qi1+bx35JFTTjvBHJDwu+aJJ3vrPym05oSPPZhB8NXH5nmpK9Pl2eLMeokeskTSKGk08Gzc+ NBdV3r/Dgw== ) ;; 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 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 = 64041 ;; 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. 752066852 ;serial 1800 ;refresh 900 ;retry 2419200 ;expire 1800 ;minimum ) umich.edu. 1800 IN RRSIG ( SOA 13 2 1800 20251124180619 20251025170619 21348 umich.edu. mz2Ei8kFNzVbrgOQNcXBDj8iJRjLIiWZWoywbcEhhp3H6eCk5LMUOJETulIkfiGP5funpbRKjlWk m1ORijsc3A== ) ;; AUTHORITY SECTION (5 records) umich.edu. 172800 IN NS dns2.itd.umich.edu. umich.edu. 172800 IN NS dns3.umich.org. umich.edu. 172800 IN NS dns1.itd.umich.edu. umich.edu. 172800 IN NS dns4.umich.org. umich.edu. 172800 IN RRSIG ( NS 13 2 172800 20251120161651 20251023094203 21348 umich.edu. ttA7qi1+bx35JFTTjvBHJDwu+aJJ3vrPym05oSPPZhB8NXH5nmpK9Pl2eLMeokeskTSKGk08Gzc+ NBdV3r/Dgw== ) ;; 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 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 = 45973 ;; 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. 752066852 ;serial 1800 ;refresh 900 ;retry 2419200 ;expire 1800 ;minimum ) umich.edu. 1800 IN RRSIG ( SOA 13 2 1800 20251124180619 20251025170619 21348 umich.edu. mz2Ei8kFNzVbrgOQNcXBDj8iJRjLIiWZWoywbcEhhp3H6eCk5LMUOJETulIkfiGP5funpbRKjlWk m1ORijsc3A== ) ;; 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 20251120161651 20251023094203 21348 umich.edu. ttA7qi1+bx35JFTTjvBHJDwu+aJJ3vrPym05oSPPZhB8NXH5nmpK9Pl2eLMeokeskTSKGk08Gzc+ NBdV3r/Dgw== ) ;; 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/SOA
	Received 524 bytes from 192.12.80.222
	;; Response received from [192.12.80.222] 524 octets ;; HEADER SECTION ;; id = 60890 ;; 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. 752066852 ;serial 1800 ;refresh 900 ;retry 2419200 ;expire 1800 ;minimum ) umich.edu. 1800 IN RRSIG ( SOA 13 2 1800 20251124180619 20251025170619 21348 umich.edu. mz2Ei8kFNzVbrgOQNcXBDj8iJRjLIiWZWoywbcEhhp3H6eCk5LMUOJETulIkfiGP5funpbRKjlWk m1ORijsc3A== ) ;; 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 20251120161651 20251023094203 21348 umich.edu. ttA7qi1+bx35JFTTjvBHJDwu+aJJ3vrPym05oSPPZhB8NXH5nmpK9Pl2eLMeokeskTSKGk08Gzc+ NBdV3r/Dgw== ) ;; 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/A
	Received 489 bytes from 192.12.80.214
	;; Response received from [192.12.80.214] 489 octets ;; HEADER SECTION ;; id = 21584 ;; 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 20251120161651 20251023094203 21348 umich.edu. yszgKgfyc7VQAl096Jqrh1lPjK8UUbECW2sAzURZzUMHZo438C4iiLBUhWWZSMSHKZYvCWclqPE5 Kbn93LuLeA== ) ;; AUTHORITY SECTION (5 records) umich.edu. 172800 IN NS dns1.itd.umich.edu. 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 RRSIG ( NS 13 2 172800 20251120161651 20251023094203 21348 umich.edu. ttA7qi1+bx35JFTTjvBHJDwu+aJJ3vrPym05oSPPZhB8NXH5nmpK9Pl2eLMeokeskTSKGk08Gzc+ NBdV3r/Dgw== ) ;; 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 20251120161651 20251023094203 21348 umich.edu. yszgKgfyc7VQAl096Jqrh1lPjK8UUbECW2sAzURZzUMHZo438C4iiLBUhWWZSMSHKZYvCWclqPE5 Kbn93LuLeA== )`
	RRSIG=21348 and DNSKEY=21348 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 = 17147 ;; 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 20251120161651 20251023094203 21348 umich.edu. yszgKgfyc7VQAl096Jqrh1lPjK8UUbECW2sAzURZzUMHZo438C4iiLBUhWWZSMSHKZYvCWclqPE5 Kbn93LuLeA== ) ;; AUTHORITY SECTION (5 records) umich.edu. 172800 IN NS dns2.itd.umich.edu. 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 RRSIG ( NS 13 2 172800 20251120161651 20251023094203 21348 umich.edu. ttA7qi1+bx35JFTTjvBHJDwu+aJJ3vrPym05oSPPZhB8NXH5nmpK9Pl2eLMeokeskTSKGk08Gzc+ NBdV3r/Dgw== ) ;; 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 = 57146 ;; 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 20251120161651 20251023094203 21348 umich.edu. yszgKgfyc7VQAl096Jqrh1lPjK8UUbECW2sAzURZzUMHZo438C4iiLBUhWWZSMSHKZYvCWclqPE5 Kbn93LuLeA== ) ;; 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 20251120161651 20251023094203 21348 umich.edu. ttA7qi1+bx35JFTTjvBHJDwu+aJJ3vrPym05oSPPZhB8NXH5nmpK9Pl2eLMeokeskTSKGk08Gzc+ NBdV3r/Dgw== ) ;; 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 20251120161651 20251023094203 21348 umich.edu. yszgKgfyc7VQAl096Jqrh1lPjK8UUbECW2sAzURZzUMHZo438C4iiLBUhWWZSMSHKZYvCWclqPE5 Kbn93LuLeA== )`
	RRSIG=21348 and DNSKEY=21348 verifies the A RRset

umich.edu

	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 = 1060 ;; 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 20251120161651 20251023094203 21348 umich.edu. yszgKgfyc7VQAl096Jqrh1lPjK8UUbECW2sAzURZzUMHZo438C4iiLBUhWWZSMSHKZYvCWclqPE5 Kbn93LuLeA== ) ;; 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 dns3.umich.org. umich.edu. 172800 IN NS dns2.itd.umich.edu. umich.edu. 172800 IN RRSIG ( NS 13 2 172800 20251120161651 20251023094203 21348 umich.edu. ttA7qi1+bx35JFTTjvBHJDwu+aJJ3vrPym05oSPPZhB8NXH5nmpK9Pl2eLMeokeskTSKGk08Gzc+ NBdV3r/Dgw== ) ;; 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 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 = 27417 ;; 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 20251120161651 20251023094203 21348 umich.edu. yszgKgfyc7VQAl096Jqrh1lPjK8UUbECW2sAzURZzUMHZo438C4iiLBUhWWZSMSHKZYvCWclqPE5 Kbn93LuLeA== ) ;; 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 20251120161651 20251023094203 21348 umich.edu. ttA7qi1+bx35JFTTjvBHJDwu+aJJ3vrPym05oSPPZhB8NXH5nmpK9Pl2eLMeokeskTSKGk08Gzc+ NBdV3r/Dgw== ) ;; 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 20251120161651 20251023094203 21348 umich.edu. yszgKgfyc7VQAl096Jqrh1lPjK8UUbECW2sAzURZzUMHZo438C4iiLBUhWWZSMSHKZYvCWclqPE5 Kbn93LuLeA== )`
	RRSIG=21348 and DNSKEY=21348 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 = 40388 ;; 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 20251120161651 20251023094203 21348 umich.edu. yszgKgfyc7VQAl096Jqrh1lPjK8UUbECW2sAzURZzUMHZo438C4iiLBUhWWZSMSHKZYvCWclqPE5 Kbn93LuLeA== ) ;; 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 dns3.umich.org. umich.edu. 172800 IN NS dns4.umich.org. umich.edu. 172800 IN RRSIG ( NS 13 2 172800 20251120161651 20251023094203 21348 umich.edu. ttA7qi1+bx35JFTTjvBHJDwu+aJJ3vrPym05oSPPZhB8NXH5nmpK9Pl2eLMeokeskTSKGk08Gzc+ NBdV3r/Dgw== ) ;; 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 = 43041 ;; 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 20251120161651 20251023094203 21348 umich.edu. yszgKgfyc7VQAl096Jqrh1lPjK8UUbECW2sAzURZzUMHZo438C4iiLBUhWWZSMSHKZYvCWclqPE5 Kbn93LuLeA== ) ;; 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 20251120161651 20251023094203 21348 umich.edu. ttA7qi1+bx35JFTTjvBHJDwu+aJJ3vrPym05oSPPZhB8NXH5nmpK9Pl2eLMeokeskTSKGk08Gzc+ NBdV3r/Dgw== ) ;; 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 20251120161651 20251023094203 21348 umich.edu. yszgKgfyc7VQAl096Jqrh1lPjK8UUbECW2sAzURZzUMHZo438C4iiLBUhWWZSMSHKZYvCWclqPE5 Kbn93LuLeA== )`
	RRSIG=21348 and DNSKEY=21348 verifies the A RRset

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