DNSSEC Debugger - upenn.edu

Domain Name:

Time: 2025-10-21 02:42:45 UTC

Analyzing DNSSEC problems for upenn.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 c.root-servers.net for ./DNSKEY
	Received 1141 bytes from 192.33.4.12
	;; Response received from [192.33.4.12] 1141 octets ;; HEADER SECTION ;; id = 51538 ;; 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 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 20251101000000 20251011000000 20326 . HBzw8cFD6K0/BBO1rLi2ifcFatkMvobiLzZgaMOb9hMqRuMKM0jVSVif5LpAb0OOTQOcSzZMOF17 Ps7BkxWqTGOAQQH5wrS0aLJ/Hn4UAIC/ZK+JbeGo9c1ZhcA8LUyvv32ACT0in2oY7RyTG1+MLpUo rMdUNUII2PAaYuU+Svu8/1HJhuONGl9IqokaWK6yFCm9rz+azS04kq2GPMGHXqJVX7jbZO4tq4fg VKYvW5wJpRM9VE4VOGmHzQUe0OJsDGViys65RNtzzR8MefC9jZGGKO8s8G0n24VmT9Kg2/4y4Qen knUytutLNIMFFmiUsJjx8gcakkkiIvwGed+/cg== ) ;; 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 20251101000000 20251011000000 20326 . HBzw8cFD6K0/BBO1rLi2ifcFatkMvobiLzZgaMOb9hMqRuMKM0jVSVif5LpAb0OOTQOcSzZMOF17 Ps7BkxWqTGOAQQH5wrS0aLJ/Hn4UAIC/ZK+JbeGo9c1ZhcA8LUyvv32ACT0in2oY7RyTG1+MLpUo rMdUNUII2PAaYuU+Svu8/1HJhuONGl9IqokaWK6yFCm9rz+azS04kq2GPMGHXqJVX7jbZO4tq4fg VKYvW5wJpRM9VE4VOGmHzQUe0OJsDGViys65RNtzzR8MefC9jZGGKO8s8G0n24VmT9Kg2/4y4Qen knUytutLNIMFFmiUsJjx8gcakkkiIvwGed+/cg== )`
	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 upenn.edu/A
	Received 1168 bytes from 192.5.5.241
	;; Response received from [192.5.5.241] 1168 octets ;; HEADER SECTION ;; id = 41905 ;; 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) ;; upenn.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 20251102170000 20251020160000 61809 . PYt4F5rbcvHV8Kr5Syq07c6KX9wpLzXNR63u1LVo0Xiy+vYydTr5kz8hmya84/UinUQsDFV6DfxI hfMMoPKhsUblBnc+5jDoqnosLfI5qpAMRGrlc+2qf62+AHM0Xir3CyoZwN8wnrVl38vysmQ1OzuZ WgVWdt5wgTDhN2MdaCg3w1CBSWMlJuPAZB0evZGOyG35TEvDkEmzB07tSO6tt673gnjkr9v1COUm Yn8NcoLFo+UX9Tn6u+S7q4L/bz6ht+9papJIRlSc+PAQjVWA1M3D98/BzhO8QFB+nkw6St76E7Vl AOWT/Ah1SJZvcKr9hsfX3LLQYmwprhh8YoG8oQ== ) ;; 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 h.root-servers.net for edu/DNSKEY
	Received 1162 bytes from 198.97.190.53
	;; Response received from [198.97.190.53] 1162 octets ;; HEADER SECTION ;; id = 65164 ;; qr = 1 aa = 0 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 0 ;; nscount = 15 arcount = 27 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; edu. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (15 records) edu. 172800 IN NS a.edu-servers.net. edu. 172800 IN NS b.edu-servers.net. edu. 172800 IN NS c.edu-servers.net. edu. 172800 IN NS d.edu-servers.net. edu. 172800 IN NS e.edu-servers.net. edu. 172800 IN NS f.edu-servers.net. edu. 172800 IN NS g.edu-servers.net. edu. 172800 IN NS h.edu-servers.net. edu. 172800 IN NS i.edu-servers.net. edu. 172800 IN NS j.edu-servers.net. edu. 172800 IN NS k.edu-servers.net. edu. 172800 IN NS l.edu-servers.net. edu. 172800 IN NS m.edu-servers.net. edu. 86400 IN DS ( 35663 13 2 a2e1614291831a4746b5ac52b4b345357687271e85353082741f1cf3d06a4c1d ) edu. 86400 IN RRSIG ( DS 8 1 86400 20251102170000 20251020160000 61809 . PYt4F5rbcvHV8Kr5Syq07c6KX9wpLzXNR63u1LVo0Xiy+vYydTr5kz8hmya84/UinUQsDFV6DfxI hfMMoPKhsUblBnc+5jDoqnosLfI5qpAMRGrlc+2qf62+AHM0Xir3CyoZwN8wnrVl38vysmQ1OzuZ WgVWdt5wgTDhN2MdaCg3w1CBSWMlJuPAZB0evZGOyG35TEvDkEmzB07tSO6tt673gnjkr9v1COUm Yn8NcoLFo+UX9Tn6u+S7q4L/bz6ht+9papJIRlSc+PAQjVWA1M3D98/BzhO8QFB+nkw6St76E7Vl AOWT/Ah1SJZvcKr9hsfX3LLQYmwprhh8YoG8oQ== ) ;; 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 b.root-servers.net for edu/DS
	Received 367 bytes from 170.247.170.2
	;; Response received from [170.247.170.2] 367 octets ;; HEADER SECTION ;; id = 28580 ;; 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 20251102170000 20251020160000 61809 . PYt4F5rbcvHV8Kr5Syq07c6KX9wpLzXNR63u1LVo0Xiy+vYydTr5kz8hmya84/UinUQsDFV6DfxI hfMMoPKhsUblBnc+5jDoqnosLfI5qpAMRGrlc+2qf62+AHM0Xir3CyoZwN8wnrVl38vysmQ1OzuZ WgVWdt5wgTDhN2MdaCg3w1CBSWMlJuPAZB0evZGOyG35TEvDkEmzB07tSO6tt673gnjkr9v1COUm Yn8NcoLFo+UX9Tn6u+S7q4L/bz6ht+9papJIRlSc+PAQjVWA1M3D98/BzhO8QFB+nkw6St76E7Vl AOWT/Ah1SJZvcKr9hsfX3LLQYmwprhh8YoG8oQ== ) ;; 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 20251102170000 20251020160000 61809 . PYt4F5rbcvHV8Kr5Syq07c6KX9wpLzXNR63u1LVo0Xiy+vYydTr5kz8hmya84/UinUQsDFV6DfxI hfMMoPKhsUblBnc+5jDoqnosLfI5qpAMRGrlc+2qf62+AHM0Xir3CyoZwN8wnrVl38vysmQ1OzuZ WgVWdt5wgTDhN2MdaCg3w1CBSWMlJuPAZB0evZGOyG35TEvDkEmzB07tSO6tt673gnjkr9v1COUm Yn8NcoLFo+UX9Tn6u+S7q4L/bz6ht+9papJIRlSc+PAQjVWA1M3D98/BzhO8QFB+nkw6St76E7Vl AOWT/Ah1SJZvcKr9hsfX3LLQYmwprhh8YoG8oQ== )`
	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 j.edu-servers.net for edu/DNSKEY
	Received 291 bytes from 192.48.79.30
	;; Response received from [192.48.79.30] 291 octets ;; HEADER SECTION ;; id = 45823 ;; 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 upenn.edu/A
	Received 648 bytes from 192.31.80.30
	;; Response received from [192.31.80.30] 648 octets ;; HEADER SECTION ;; id = 54089 ;; 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 = 10 arcount = 15 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; upenn.edu. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (10 records) upenn.edu. 172800 IN NS dns1.udel.edu. upenn.edu. 172800 IN NS dns2.udel.edu. upenn.edu. 172800 IN NS adns4.upenn.edu. upenn.edu. 172800 IN NS adns5.upenn.edu. upenn.edu. 172800 IN NS adns6.upenn.edu. upenn.edu. 172800 IN NS adns1.nnn.upenn.edu. upenn.edu. 172800 IN NS adns2.nnn.upenn.edu. upenn.edu. 172800 IN NS adns3.nnn.upenn.edu. upenn.edu. 86400 IN DS ( 17409 13 2 de945b7c85d05e161b91854f68b44ff83404f2b44359e28687bdead6c64bd6be ) upenn.edu. 86400 IN RRSIG ( DS 13 2 86400 20251025030040 20251018015040 35999 edu. RdLEsHV674p1+1Utsi466MVx7xg857J60jOQxg9EAKDCHX4YUK2Xmpaw7nbwYf45FoXYuDXKQLpB 7p1xSPL4kQ== ) ;; ADDITIONAL SECTION (15 records) dns1.udel.edu. 172800 IN A 128.175.13.16 dns2.udel.edu. 172800 IN A 128.175.13.17 adns4.upenn.edu. 172800 IN A 208.94.148.32 adns4.upenn.edu. 172800 IN AAAA 2600:1800:5::1:0 adns5.upenn.edu. 172800 IN A 208.80.124.32 adns5.upenn.edu. 172800 IN AAAA 2600:1801:6::1:0 adns6.upenn.edu. 172800 IN A 208.80.126.32 adns6.upenn.edu. 172800 IN AAAA 2600:1802:7::1:0 adns1.nnn.upenn.edu. 172800 IN A 128.91.2.53 adns1.nnn.upenn.edu. 172800 IN AAAA 2607:f470:1001::ad:1 adns2.nnn.upenn.edu. 172800 IN A 128.91.254.53 adns2.nnn.upenn.edu. 172800 IN AAAA 2607:f470:1002::ad:2 adns3.nnn.upenn.edu. 172800 IN A 128.91.251.53 adns3.nnn.upenn.edu. 172800 IN AAAA 2607:f470:1003::ad:3 ;; { "EDNS-VERSION": 0 }
	Query to c.edu-servers.net for upenn.edu/DNSKEY
	Received 648 bytes from 192.26.92.30
	;; Response received from [192.26.92.30] 648 octets ;; HEADER SECTION ;; id = 30239 ;; 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 = 10 arcount = 15 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; upenn.edu. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (10 records) upenn.edu. 172800 IN NS dns1.udel.edu. upenn.edu. 172800 IN NS dns2.udel.edu. upenn.edu. 172800 IN NS adns4.upenn.edu. upenn.edu. 172800 IN NS adns5.upenn.edu. upenn.edu. 172800 IN NS adns6.upenn.edu. upenn.edu. 172800 IN NS adns1.nnn.upenn.edu. upenn.edu. 172800 IN NS adns2.nnn.upenn.edu. upenn.edu. 172800 IN NS adns3.nnn.upenn.edu. upenn.edu. 86400 IN DS ( 17409 13 2 de945b7c85d05e161b91854f68b44ff83404f2b44359e28687bdead6c64bd6be ) upenn.edu. 86400 IN RRSIG ( DS 13 2 86400 20251025030040 20251018015040 35999 edu. RdLEsHV674p1+1Utsi466MVx7xg857J60jOQxg9EAKDCHX4YUK2Xmpaw7nbwYf45FoXYuDXKQLpB 7p1xSPL4kQ== ) ;; ADDITIONAL SECTION (15 records) dns1.udel.edu. 172800 IN A 128.175.13.16 dns2.udel.edu. 172800 IN A 128.175.13.17 adns4.upenn.edu. 172800 IN A 208.94.148.32 adns4.upenn.edu. 172800 IN AAAA 2600:1800:5::1:0 adns5.upenn.edu. 172800 IN A 208.80.124.32 adns5.upenn.edu. 172800 IN AAAA 2600:1801:6::1:0 adns6.upenn.edu. 172800 IN A 208.80.126.32 adns6.upenn.edu. 172800 IN AAAA 2600:1802:7::1:0 adns1.nnn.upenn.edu. 172800 IN A 128.91.2.53 adns1.nnn.upenn.edu. 172800 IN AAAA 2607:f470:1001::ad:1 adns2.nnn.upenn.edu. 172800 IN A 128.91.254.53 adns2.nnn.upenn.edu. 172800 IN AAAA 2607:f470:1002::ad:2 adns3.nnn.upenn.edu. 172800 IN A 128.91.251.53 adns3.nnn.upenn.edu. 172800 IN AAAA 2607:f470:1003::ad:3 ;; { "EDNS-VERSION": 0 }
	Found child zone upenn.edu

upenn.edu

	Checking DS between edu and upenn.edu
	Query to d.edu-servers.net for upenn.edu/DS
	Received 1079 bytes from 192.31.80.30
	;; Response received from [192.31.80.30] 1079 octets ;; HEADER SECTION ;; id = 55948 ;; 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) ;; upenn.edu. IN DS ;; ANSWER SECTION (2 records) upenn.edu. 86400 IN DS ( 17409 13 2 de945b7c85d05e161b91854f68b44ff83404f2b44359e28687bdead6c64bd6be ) upenn.edu. 86400 IN RRSIG ( DS 13 2 86400 20251025030040 20251018015040 35999 edu. RdLEsHV674p1+1Utsi466MVx7xg857J60jOQxg9EAKDCHX4YUK2Xmpaw7nbwYf45FoXYuDXKQLpB 7p1xSPL4kQ== ) ;; AUTHORITY SECTION (14 records) edu. 172800 IN NS l.edu-servers.net. edu. 172800 IN NS c.edu-servers.net. edu. 172800 IN NS k.edu-servers.net. edu. 172800 IN NS f.edu-servers.net. edu. 172800 IN NS a.edu-servers.net. edu. 172800 IN NS e.edu-servers.net. edu. 172800 IN NS h.edu-servers.net. edu. 172800 IN NS d.edu-servers.net. edu. 172800 IN NS b.edu-servers.net. edu. 172800 IN NS j.edu-servers.net. edu. 172800 IN NS m.edu-servers.net. edu. 172800 IN NS i.edu-servers.net. edu. 172800 IN NS g.edu-servers.net. edu. 172800 IN RRSIG ( NS 13 1 172800 20251027030225 20251020015225 35999 edu. NO88Lwj8ZWpcN3ax3yT7YxqJL9YswhYyu6gmX9/Aht9mSDDtARJBOdBt+MJ3R00A2ii2tKH0njNy JhUaG/1G7g== ) ;; ADDITIONAL SECTION (27 records) l.edu-servers.net. 172800 IN A 192.41.162.30 l.edu-servers.net. 172800 IN AAAA 2001:500:d937::30 c.edu-servers.net. 172800 IN A 192.26.92.30 c.edu-servers.net. 172800 IN AAAA 2001:503:83eb::30 k.edu-servers.net. 172800 IN A 192.52.178.30 k.edu-servers.net. 172800 IN AAAA 2001:503:d2d::30 f.edu-servers.net. 172800 IN A 192.35.51.30 f.edu-servers.net. 172800 IN AAAA 2001:503:d414::30 a.edu-servers.net. 172800 IN A 192.5.6.30 a.edu-servers.net. 172800 IN AAAA 2001:503:a83e::2:30 e.edu-servers.net. 172800 IN A 192.12.94.30 e.edu-servers.net. 172800 IN AAAA 2001:502:1ca1::30 h.edu-servers.net. 172800 IN A 192.54.112.30 h.edu-servers.net. 172800 IN AAAA 2001:502:8cc::30 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 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 i.edu-servers.net. 172800 IN A 192.43.172.30 i.edu-servers.net. 172800 IN AAAA 2001:503:39c1::30 g.edu-servers.net. 172800 IN A 192.42.93.30 g.edu-servers.net. 172800 IN AAAA 2001:503:eea3::30 ;; { "EDNS-VERSION": 0 }
	Found 1 DS records for upenn.edu in the edu zone
	DS=17409/SHA-256 has algorithm ECDSAP256SHA256
	Found 1 RRSIGs over DS RRset
	`upenn.edu. 86400 IN RRSIG ( DS 13 2 86400 20251025030040 20251018015040 35999 edu. RdLEsHV674p1+1Utsi466MVx7xg857J60jOQxg9EAKDCHX4YUK2Xmpaw7nbwYf45FoXYuDXKQLpB 7p1xSPL4kQ== )`
	RRSIG=35999 and DNSKEY=35999 verifies the DS RRset
	DS=17409/SHA-256 is now in the chain-of-trust
	`upenn.edu. 86400 IN DS ( 17409 13 2 de945b7c85d05e161b91854f68b44ff83404f2b44359e28687bdead6c64bd6be )`
	Query to adns6.upenn.edu for upenn.edu/DNSKEY
	Received 383 bytes from 208.80.126.32
	;; Response received from [208.80.126.32] 383 octets ;; HEADER SECTION ;; id = 45083 ;; 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": 1280, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; upenn.edu. IN DNSKEY ;; ANSWER SECTION (4 records) upenn.edu. 3600 IN DNSKEY ( 256 3 13 1YC3eMMDYcRuiCGBQD2Pr74+H4ZWG9NGImM4M63YQ2K6zoceFo83nKYRByucdKU3C48XzG8/FV5j GFEVz2aFfA== ) ; keytag 39112 upenn.edu. 3600 IN DNSKEY ( 257 3 13 l9WybMQup0tcaipIc1S3k1KQeuww3qsEicDe7P7jdDmUthiqr+/DtvubFoCAqe7Ad9dsPTqqEXvQ 386wOPmoHw== ) ; keytag 17409 upenn.edu. 3600 IN DNSKEY ( 256 3 13 QLpiDMMtTmlP/6XFxvc5Gk2x/2qEwqdgEpbZaLbWlRLbSKSMxLWIfMnR8idT4WoWi0B7zVRm8Wxm xVZi9VwrFQ== ) ; keytag 53469 upenn.edu. 3600 IN RRSIG ( DNSKEY 13 2 3600 20251102131143 20251003130108 17409 upenn.edu. me0sUqyevcM0feu9PL0yvvnO+4PdoxJ+QkzVMBxLyeHIZdRuyRxaoHGWwu6f7bQrPIdG5E16mlRB Le+mCdAGeQ== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 3 DNSKEY records for upenn.edu
	`upenn.edu. 3600 IN DNSKEY ( 256 3 13 1YC3eMMDYcRuiCGBQD2Pr74+H4ZWG9NGImM4M63YQ2K6zoceFo83nKYRByucdKU3C48XzG8/FV5j GFEVz2aFfA== ) ; keytag 39112`
	`upenn.edu. 3600 IN DNSKEY ( 257 3 13 l9WybMQup0tcaipIc1S3k1KQeuww3qsEicDe7P7jdDmUthiqr+/DtvubFoCAqe7Ad9dsPTqqEXvQ 386wOPmoHw== ) ; keytag 17409`
	`upenn.edu. 3600 IN DNSKEY ( 256 3 13 QLpiDMMtTmlP/6XFxvc5Gk2x/2qEwqdgEpbZaLbWlRLbSKSMxLWIfMnR8idT4WoWi0B7zVRm8Wxm xVZi9VwrFQ== ) ; keytag 53469`
	DNSKEY=17409/SEP is now in the chain-of-trust
	DS=17409/SHA-256 verifies DNSKEY=17409/SEP
	Found 1 RRSIGs over DNSKEY RRset
	`upenn.edu. 3600 IN RRSIG ( DNSKEY 13 2 3600 20251102131143 20251003130108 17409 upenn.edu. me0sUqyevcM0feu9PL0yvvnO+4PdoxJ+QkzVMBxLyeHIZdRuyRxaoHGWwu6f7bQrPIdG5E16mlRB Le+mCdAGeQ== )`
	RRSIG=17409 and DNSKEY=17409/SEP verifies the DNSKEY RRset
	DNSKEY=39112 is now in the chain-of-trust
	DNSKEY=53469 is now in the chain-of-trust
	Query to adns1.nnn.upenn.edu for upenn.edu/A
	Received 159 bytes from 128.91.2.53
	;; Response received from [128.91.2.53] 159 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) ;; upenn.edu. IN A ;; ANSWER SECTION (2 records) upenn.edu. 86400 IN A 23.185.0.4 upenn.edu. 86400 IN RRSIG ( A 13 2 86400 20251118151245 20251019145854 53469 upenn.edu. 9td2smVqqM7SLaa9e70zGlb/GieJZvXVl/rqkdZ52C68JktD9vEjEkXhYtwHkdqgT1ifDKz+BMWI mxJ65ZYwLA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	adns1.nnn.upenn.edu is authoritative for upenn.edu
	Found RRSIG signed by upenn.edu zone
	Query to adns3.nnn.upenn.edu for upenn.edu/SOA
	Received 209 bytes from 128.91.251.53
	;; Response received from [128.91.251.53] 209 octets ;; HEADER SECTION ;; id = 62909 ;; 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) ;; upenn.edu. IN SOA ;; ANSWER SECTION (2 records) upenn.edu. 3600 IN SOA ( ipam2.nnn.upenn.edu. hostmaster.upenn.edu. 2002156305 ;serial 10800 ;refresh 3600 ;retry 604800 ;expire 600 ;minimum ) upenn.edu. 3600 IN RRSIG ( SOA 13 2 3600 20251120024242 20251021014242 53469 upenn.edu. RgkIKX3dzxBf00XF5rlqG+SpufDNo2SEh4x6jyh0nH4OeNIjF2UFXdkipe9dUvmEipO1oo2XZNdB JNVQXBn/TQ== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to adns4.upenn.edu for upenn.edu/SOA
	Received 209 bytes from 208.94.148.32
	;; Response received from [208.94.148.32] 209 octets ;; HEADER SECTION ;; id = 8438 ;; 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": 1280, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; upenn.edu. IN SOA ;; ANSWER SECTION (2 records) upenn.edu. 3600 IN SOA ( ipam2.nnn.upenn.edu. hostmaster.upenn.edu. 2002156305 ;serial 10800 ;refresh 3600 ;retry 604800 ;expire 600 ;minimum ) upenn.edu. 3600 IN RRSIG ( SOA 13 2 3600 20251120024242 20251021014242 53469 upenn.edu. RgkIKX3dzxBf00XF5rlqG+SpufDNo2SEh4x6jyh0nH4OeNIjF2UFXdkipe9dUvmEipO1oo2XZNdB JNVQXBn/TQ== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to dns1.udel.edu for upenn.edu/SOA
	Received 1164 bytes from 128.175.13.16
	;; Response received from [128.175.13.16] 1164 octets ;; HEADER SECTION ;; id = 360 ;; 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 = 9 arcount = 17 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; upenn.edu. IN SOA ;; ANSWER SECTION (2 records) upenn.edu. 3600 IN SOA ( ipam2.nnn.upenn.edu. hostmaster.upenn.edu. 2002156305 ;serial 10800 ;refresh 3600 ;retry 604800 ;expire 600 ;minimum ) upenn.edu. 3600 IN RRSIG ( SOA 13 2 3600 20251120024242 20251021014242 53469 upenn.edu. RgkIKX3dzxBf00XF5rlqG+SpufDNo2SEh4x6jyh0nH4OeNIjF2UFXdkipe9dUvmEipO1oo2XZNdB JNVQXBn/TQ== ) ;; AUTHORITY SECTION (9 records) upenn.edu. 86400 IN NS adns6.upenn.edu. upenn.edu. 86400 IN NS dns1.udel.edu. upenn.edu. 86400 IN NS dns2.udel.edu. upenn.edu. 86400 IN NS adns1.nnn.upenn.edu. upenn.edu. 86400 IN NS adns2.nnn.upenn.edu. upenn.edu. 86400 IN NS adns3.nnn.upenn.edu. upenn.edu. 86400 IN NS adns4.upenn.edu. upenn.edu. 86400 IN NS adns5.upenn.edu. upenn.edu. 86400 IN RRSIG ( NS 13 2 86400 20251103034125 20251004032312 53469 upenn.edu. s0hKIpKk6QApaRRddDQlYykH3cbH2Vwr2UB30tQETfz3FZ/RiGEjcS79fwLvW57il5VAncXxcszE b4oUYDK+IQ== ) ;; ADDITIONAL SECTION (17 records) adns1.nnn.upenn.edu. 86400 IN A 128.91.2.53 adns2.nnn.upenn.edu. 86400 IN A 128.91.254.53 adns3.nnn.upenn.edu. 86400 IN A 128.91.251.53 adns4.upenn.edu. 86400 IN A 208.94.148.32 adns5.upenn.edu. 86400 IN A 208.80.124.32 adns6.upenn.edu. 86400 IN A 208.80.126.32 adns1.nnn.upenn.edu. 86400 IN AAAA 2607:f470:1001::ad:1 adns2.nnn.upenn.edu. 86400 IN AAAA 2607:f470:1002::ad:2 adns3.nnn.upenn.edu. 86400 IN AAAA 2607:f470:1003::ad:3 adns4.upenn.edu. 86400 IN AAAA 2600:1800:5::1:0 adns5.upenn.edu. 86400 IN AAAA 2600:1801:6::1:0 adns6.upenn.edu. 86400 IN AAAA 2600:1802:7::1:0 adns1.nnn.upenn.edu. 86400 IN RRSIG ( A 13 4 86400 20251110141518 20251011133656 53469 upenn.edu. CaBKH7HwVm3hTFhzr4YO3VTRYbPuEKE33lrWGtXAew01eDuMKJB63iHMOkVJv3vH4fzwAuKUGn2K Zup4w5SgoA== ) adns1.nnn.upenn.edu. 86400 IN RRSIG ( AAAA 13 4 86400 20251110135313 20251011130910 53469 upenn.edu. /sYY9kn/Bfyxuk1zB2IJbFoiilnNj8RPNs/BScpb5TzYwcuUCxuREAk/5MPdylgdsG5ysePzbbMo LYUL0vQL9A== ) adns2.nnn.upenn.edu. 86400 IN RRSIG ( A 13 4 86400 20251115131046 20251016121603 53469 upenn.edu. bKjFRftMfrULiXCMOD8WO5aZydYtoivi6EuEyQd/LGFp0fnZYA2B3/lpIGdwGQUsMFyzVtn9zIxq /NQU32jZsA== ) adns2.nnn.upenn.edu. 86400 IN RRSIG ( AAAA 13 4 86400 20251115131046 20251016121603 53469 upenn.edu. WdEb0KuJmLbf6y4BAlbvnFQwAbgxxUq7EQaggKmupEAklx0J0MEOmsHxeMIeRGRh+Z9u88+lirPa ZSynkylG2A== ) ;; { "EDNS-VERSION": 0 }
	Query to adns2.nnn.upenn.edu for upenn.edu/SOA
	Received 209 bytes from 128.91.254.53
	;; Response received from [128.91.254.53] 209 octets ;; HEADER SECTION ;; id = 4540 ;; 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) ;; upenn.edu. IN SOA ;; ANSWER SECTION (2 records) upenn.edu. 3600 IN SOA ( ipam2.nnn.upenn.edu. hostmaster.upenn.edu. 2002156305 ;serial 10800 ;refresh 3600 ;retry 604800 ;expire 600 ;minimum ) upenn.edu. 3600 IN RRSIG ( SOA 13 2 3600 20251120024242 20251021014242 53469 upenn.edu. RgkIKX3dzxBf00XF5rlqG+SpufDNo2SEh4x6jyh0nH4OeNIjF2UFXdkipe9dUvmEipO1oo2XZNdB JNVQXBn/TQ== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to dns2.udel.edu for upenn.edu/SOA
	Received 1164 bytes from 128.175.13.17
	;; Response received from [128.175.13.17] 1164 octets ;; HEADER SECTION ;; id = 40252 ;; 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 = 9 arcount = 17 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; upenn.edu. IN SOA ;; ANSWER SECTION (2 records) upenn.edu. 3600 IN SOA ( ipam2.nnn.upenn.edu. hostmaster.upenn.edu. 2002156305 ;serial 10800 ;refresh 3600 ;retry 604800 ;expire 600 ;minimum ) upenn.edu. 3600 IN RRSIG ( SOA 13 2 3600 20251120024242 20251021014242 53469 upenn.edu. RgkIKX3dzxBf00XF5rlqG+SpufDNo2SEh4x6jyh0nH4OeNIjF2UFXdkipe9dUvmEipO1oo2XZNdB JNVQXBn/TQ== ) ;; AUTHORITY SECTION (9 records) upenn.edu. 86400 IN NS adns6.upenn.edu. upenn.edu. 86400 IN NS dns1.udel.edu. upenn.edu. 86400 IN NS dns2.udel.edu. upenn.edu. 86400 IN NS adns1.nnn.upenn.edu. upenn.edu. 86400 IN NS adns2.nnn.upenn.edu. upenn.edu. 86400 IN NS adns3.nnn.upenn.edu. upenn.edu. 86400 IN NS adns4.upenn.edu. upenn.edu. 86400 IN NS adns5.upenn.edu. upenn.edu. 86400 IN RRSIG ( NS 13 2 86400 20251103034125 20251004032312 53469 upenn.edu. s0hKIpKk6QApaRRddDQlYykH3cbH2Vwr2UB30tQETfz3FZ/RiGEjcS79fwLvW57il5VAncXxcszE b4oUYDK+IQ== ) ;; ADDITIONAL SECTION (17 records) adns1.nnn.upenn.edu. 86400 IN A 128.91.2.53 adns2.nnn.upenn.edu. 86400 IN A 128.91.254.53 adns3.nnn.upenn.edu. 86400 IN A 128.91.251.53 adns4.upenn.edu. 86400 IN A 208.94.148.32 adns5.upenn.edu. 86400 IN A 208.80.124.32 adns6.upenn.edu. 86400 IN A 208.80.126.32 adns1.nnn.upenn.edu. 86400 IN AAAA 2607:f470:1001::ad:1 adns2.nnn.upenn.edu. 86400 IN AAAA 2607:f470:1002::ad:2 adns3.nnn.upenn.edu. 86400 IN AAAA 2607:f470:1003::ad:3 adns4.upenn.edu. 86400 IN AAAA 2600:1800:5::1:0 adns5.upenn.edu. 86400 IN AAAA 2600:1801:6::1:0 adns6.upenn.edu. 86400 IN AAAA 2600:1802:7::1:0 adns1.nnn.upenn.edu. 86400 IN RRSIG ( A 13 4 86400 20251110141518 20251011133656 53469 upenn.edu. CaBKH7HwVm3hTFhzr4YO3VTRYbPuEKE33lrWGtXAew01eDuMKJB63iHMOkVJv3vH4fzwAuKUGn2K Zup4w5SgoA== ) adns1.nnn.upenn.edu. 86400 IN RRSIG ( AAAA 13 4 86400 20251110135313 20251011130910 53469 upenn.edu. /sYY9kn/Bfyxuk1zB2IJbFoiilnNj8RPNs/BScpb5TzYwcuUCxuREAk/5MPdylgdsG5ysePzbbMo LYUL0vQL9A== ) adns2.nnn.upenn.edu. 86400 IN RRSIG ( A 13 4 86400 20251115131046 20251016121603 53469 upenn.edu. bKjFRftMfrULiXCMOD8WO5aZydYtoivi6EuEyQd/LGFp0fnZYA2B3/lpIGdwGQUsMFyzVtn9zIxq /NQU32jZsA== ) adns2.nnn.upenn.edu. 86400 IN RRSIG ( AAAA 13 4 86400 20251115131046 20251016121603 53469 upenn.edu. WdEb0KuJmLbf6y4BAlbvnFQwAbgxxUq7EQaggKmupEAklx0J0MEOmsHxeMIeRGRh+Z9u88+lirPa ZSynkylG2A== ) ;; { "EDNS-VERSION": 0 }
	Query to adns6.upenn.edu for upenn.edu/SOA
	Received 209 bytes from 208.80.126.32
	;; Response received from [208.80.126.32] 209 octets ;; HEADER SECTION ;; id = 20533 ;; 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": 1280, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; upenn.edu. IN SOA ;; ANSWER SECTION (2 records) upenn.edu. 3600 IN SOA ( ipam2.nnn.upenn.edu. hostmaster.upenn.edu. 2002156305 ;serial 10800 ;refresh 3600 ;retry 604800 ;expire 600 ;minimum ) upenn.edu. 3600 IN RRSIG ( SOA 13 2 3600 20251120024242 20251021014242 53469 upenn.edu. RgkIKX3dzxBf00XF5rlqG+SpufDNo2SEh4x6jyh0nH4OeNIjF2UFXdkipe9dUvmEipO1oo2XZNdB JNVQXBn/TQ== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to adns5.upenn.edu for upenn.edu/SOA
	Received 209 bytes from 208.80.124.32
	;; Response received from [208.80.124.32] 209 octets ;; HEADER SECTION ;; id = 22020 ;; 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": 1280, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; upenn.edu. IN SOA ;; ANSWER SECTION (2 records) upenn.edu. 3600 IN SOA ( ipam2.nnn.upenn.edu. hostmaster.upenn.edu. 2002156305 ;serial 10800 ;refresh 3600 ;retry 604800 ;expire 600 ;minimum ) upenn.edu. 3600 IN RRSIG ( SOA 13 2 3600 20251120024242 20251021014242 53469 upenn.edu. RgkIKX3dzxBf00XF5rlqG+SpufDNo2SEh4x6jyh0nH4OeNIjF2UFXdkipe9dUvmEipO1oo2XZNdB JNVQXBn/TQ== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to adns1.nnn.upenn.edu for upenn.edu/A
	Received 159 bytes from 128.91.2.53
	;; Response received from [128.91.2.53] 159 octets ;; HEADER SECTION ;; id = 27332 ;; 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) ;; upenn.edu. IN A ;; ANSWER SECTION (2 records) upenn.edu. 86400 IN A 23.185.0.4 upenn.edu. 86400 IN RRSIG ( A 13 2 86400 20251118151245 20251019145854 53469 upenn.edu. 9td2smVqqM7SLaa9e70zGlb/GieJZvXVl/rqkdZ52C68JktD9vEjEkXhYtwHkdqgT1ifDKz+BMWI mxJ65ZYwLA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	upenn.edu A RR has value 23.185.0.4
	Found 1 RRSIGs over A RRset
	`upenn.edu. 86400 IN RRSIG ( A 13 2 86400 20251118151245 20251019145854 53469 upenn.edu. 9td2smVqqM7SLaa9e70zGlb/GieJZvXVl/rqkdZ52C68JktD9vEjEkXhYtwHkdqgT1ifDKz+BMWI mxJ65ZYwLA== )`
	RRSIG=53469 and DNSKEY=53469 verifies the A RRset

upenn.edu

	Query to adns2.nnn.upenn.edu for upenn.edu/A
	Received 159 bytes from 128.91.254.53
	;; Response received from [128.91.254.53] 159 octets ;; HEADER SECTION ;; id = 43702 ;; 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) ;; upenn.edu. IN A ;; ANSWER SECTION (2 records) upenn.edu. 86400 IN A 23.185.0.4 upenn.edu. 86400 IN RRSIG ( A 13 2 86400 20251118151245 20251019145854 53469 upenn.edu. 9td2smVqqM7SLaa9e70zGlb/GieJZvXVl/rqkdZ52C68JktD9vEjEkXhYtwHkdqgT1ifDKz+BMWI mxJ65ZYwLA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	adns2.nnn.upenn.edu is authoritative for upenn.edu
	Found RRSIG signed by upenn.edu zone
	Query to adns2.nnn.upenn.edu for upenn.edu/A
	Received 159 bytes from 128.91.254.53
	;; Response received from [128.91.254.53] 159 octets ;; HEADER SECTION ;; id = 15692 ;; 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) ;; upenn.edu. IN A ;; ANSWER SECTION (2 records) upenn.edu. 86400 IN A 23.185.0.4 upenn.edu. 86400 IN RRSIG ( A 13 2 86400 20251118151245 20251019145854 53469 upenn.edu. 9td2smVqqM7SLaa9e70zGlb/GieJZvXVl/rqkdZ52C68JktD9vEjEkXhYtwHkdqgT1ifDKz+BMWI mxJ65ZYwLA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	upenn.edu A RR has value 23.185.0.4
	Found 1 RRSIGs over A RRset
	`upenn.edu. 86400 IN RRSIG ( A 13 2 86400 20251118151245 20251019145854 53469 upenn.edu. 9td2smVqqM7SLaa9e70zGlb/GieJZvXVl/rqkdZ52C68JktD9vEjEkXhYtwHkdqgT1ifDKz+BMWI mxJ65ZYwLA== )`
	RRSIG=53469 and DNSKEY=53469 verifies the A RRset

upenn.edu

	Query to adns5.upenn.edu for upenn.edu/A
	Received 159 bytes from 208.80.124.32
	;; Response received from [208.80.124.32] 159 octets ;; HEADER SECTION ;; id = 41657 ;; 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": 1280, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; upenn.edu. IN A ;; ANSWER SECTION (2 records) upenn.edu. 86400 IN A 23.185.0.4 upenn.edu. 86400 IN RRSIG ( A 13 2 86400 20251118151245 20251019145854 53469 upenn.edu. 9td2smVqqM7SLaa9e70zGlb/GieJZvXVl/rqkdZ52C68JktD9vEjEkXhYtwHkdqgT1ifDKz+BMWI mxJ65ZYwLA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	adns5.upenn.edu is authoritative for upenn.edu
	Found RRSIG signed by upenn.edu zone
	Query to adns5.upenn.edu for upenn.edu/A
	Received 159 bytes from 208.80.124.32
	;; Response received from [208.80.124.32] 159 octets ;; HEADER SECTION ;; id = 65003 ;; 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": 1280, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; upenn.edu. IN A ;; ANSWER SECTION (2 records) upenn.edu. 86400 IN A 23.185.0.4 upenn.edu. 86400 IN RRSIG ( A 13 2 86400 20251118151245 20251019145854 53469 upenn.edu. 9td2smVqqM7SLaa9e70zGlb/GieJZvXVl/rqkdZ52C68JktD9vEjEkXhYtwHkdqgT1ifDKz+BMWI mxJ65ZYwLA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	upenn.edu A RR has value 23.185.0.4
	Found 1 RRSIGs over A RRset
	`upenn.edu. 86400 IN RRSIG ( A 13 2 86400 20251118151245 20251019145854 53469 upenn.edu. 9td2smVqqM7SLaa9e70zGlb/GieJZvXVl/rqkdZ52C68JktD9vEjEkXhYtwHkdqgT1ifDKz+BMWI mxJ65ZYwLA== )`
	RRSIG=53469 and DNSKEY=53469 verifies the A RRset

upenn.edu

	Query to adns6.upenn.edu for upenn.edu/A
	Received 159 bytes from 208.80.126.32
	;; Response received from [208.80.126.32] 159 octets ;; HEADER SECTION ;; id = 41217 ;; 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": 1280, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; upenn.edu. IN A ;; ANSWER SECTION (2 records) upenn.edu. 86400 IN A 23.185.0.4 upenn.edu. 86400 IN RRSIG ( A 13 2 86400 20251118151245 20251019145854 53469 upenn.edu. 9td2smVqqM7SLaa9e70zGlb/GieJZvXVl/rqkdZ52C68JktD9vEjEkXhYtwHkdqgT1ifDKz+BMWI mxJ65ZYwLA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	adns6.upenn.edu is authoritative for upenn.edu
	Found RRSIG signed by upenn.edu zone
	Query to adns6.upenn.edu for upenn.edu/A
	Received 159 bytes from 208.80.126.32
	;; Response received from [208.80.126.32] 159 octets ;; HEADER SECTION ;; id = 23574 ;; 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": 1280, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; upenn.edu. IN A ;; ANSWER SECTION (2 records) upenn.edu. 86400 IN A 23.185.0.4 upenn.edu. 86400 IN RRSIG ( A 13 2 86400 20251118151245 20251019145854 53469 upenn.edu. 9td2smVqqM7SLaa9e70zGlb/GieJZvXVl/rqkdZ52C68JktD9vEjEkXhYtwHkdqgT1ifDKz+BMWI mxJ65ZYwLA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	upenn.edu A RR has value 23.185.0.4
	Found 1 RRSIGs over A RRset
	`upenn.edu. 86400 IN RRSIG ( A 13 2 86400 20251118151245 20251019145854 53469 upenn.edu. 9td2smVqqM7SLaa9e70zGlb/GieJZvXVl/rqkdZ52C68JktD9vEjEkXhYtwHkdqgT1ifDKz+BMWI mxJ65ZYwLA== )`
	RRSIG=53469 and DNSKEY=53469 verifies the A RRset

upenn.edu

	Query to adns4.upenn.edu for upenn.edu/A
	Received 159 bytes from 208.94.148.32
	;; Response received from [208.94.148.32] 159 octets ;; HEADER SECTION ;; id = 64361 ;; 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": 1280, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; upenn.edu. IN A ;; ANSWER SECTION (2 records) upenn.edu. 86400 IN A 23.185.0.4 upenn.edu. 86400 IN RRSIG ( A 13 2 86400 20251118151245 20251019145854 53469 upenn.edu. 9td2smVqqM7SLaa9e70zGlb/GieJZvXVl/rqkdZ52C68JktD9vEjEkXhYtwHkdqgT1ifDKz+BMWI mxJ65ZYwLA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	adns4.upenn.edu is authoritative for upenn.edu
	Found RRSIG signed by upenn.edu zone
	Query to adns4.upenn.edu for upenn.edu/A
	Received 159 bytes from 208.94.148.32
	;; Response received from [208.94.148.32] 159 octets ;; HEADER SECTION ;; id = 46042 ;; 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": 1280, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; upenn.edu. IN A ;; ANSWER SECTION (2 records) upenn.edu. 86400 IN A 23.185.0.4 upenn.edu. 86400 IN RRSIG ( A 13 2 86400 20251118151245 20251019145854 53469 upenn.edu. 9td2smVqqM7SLaa9e70zGlb/GieJZvXVl/rqkdZ52C68JktD9vEjEkXhYtwHkdqgT1ifDKz+BMWI mxJ65ZYwLA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	upenn.edu A RR has value 23.185.0.4
	Found 1 RRSIGs over A RRset
	`upenn.edu. 86400 IN RRSIG ( A 13 2 86400 20251118151245 20251019145854 53469 upenn.edu. 9td2smVqqM7SLaa9e70zGlb/GieJZvXVl/rqkdZ52C68JktD9vEjEkXhYtwHkdqgT1ifDKz+BMWI mxJ65ZYwLA== )`
	RRSIG=53469 and DNSKEY=53469 verifies the A RRset

upenn.edu

	Query to dns1.udel.edu for upenn.edu/A
	Received 1127 bytes from 128.175.13.16
	;; Response received from [128.175.13.16] 1127 octets ;; HEADER SECTION ;; id = 29551 ;; 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 = 9 arcount = 17 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; upenn.edu. IN A ;; ANSWER SECTION (2 records) upenn.edu. 86400 IN A 23.185.0.4 upenn.edu. 86400 IN RRSIG ( A 13 2 86400 20251118151245 20251019145854 53469 upenn.edu. 9td2smVqqM7SLaa9e70zGlb/GieJZvXVl/rqkdZ52C68JktD9vEjEkXhYtwHkdqgT1ifDKz+BMWI mxJ65ZYwLA== ) ;; AUTHORITY SECTION (9 records) upenn.edu. 86400 IN NS adns5.upenn.edu. upenn.edu. 86400 IN NS adns6.upenn.edu. upenn.edu. 86400 IN NS dns1.udel.edu. upenn.edu. 86400 IN NS dns2.udel.edu. upenn.edu. 86400 IN NS adns1.nnn.upenn.edu. upenn.edu. 86400 IN NS adns2.nnn.upenn.edu. upenn.edu. 86400 IN NS adns3.nnn.upenn.edu. upenn.edu. 86400 IN NS adns4.upenn.edu. upenn.edu. 86400 IN RRSIG ( NS 13 2 86400 20251103034125 20251004032312 53469 upenn.edu. s0hKIpKk6QApaRRddDQlYykH3cbH2Vwr2UB30tQETfz3FZ/RiGEjcS79fwLvW57il5VAncXxcszE b4oUYDK+IQ== ) ;; ADDITIONAL SECTION (17 records) adns1.nnn.upenn.edu. 86400 IN A 128.91.2.53 adns2.nnn.upenn.edu. 86400 IN A 128.91.254.53 adns3.nnn.upenn.edu. 86400 IN A 128.91.251.53 adns4.upenn.edu. 86400 IN A 208.94.148.32 adns5.upenn.edu. 86400 IN A 208.80.124.32 adns6.upenn.edu. 86400 IN A 208.80.126.32 adns1.nnn.upenn.edu. 86400 IN AAAA 2607:f470:1001::ad:1 adns2.nnn.upenn.edu. 86400 IN AAAA 2607:f470:1002::ad:2 adns3.nnn.upenn.edu. 86400 IN AAAA 2607:f470:1003::ad:3 adns4.upenn.edu. 86400 IN AAAA 2600:1800:5::1:0 adns5.upenn.edu. 86400 IN AAAA 2600:1801:6::1:0 adns6.upenn.edu. 86400 IN AAAA 2600:1802:7::1:0 adns1.nnn.upenn.edu. 86400 IN RRSIG ( A 13 4 86400 20251110141518 20251011133656 53469 upenn.edu. CaBKH7HwVm3hTFhzr4YO3VTRYbPuEKE33lrWGtXAew01eDuMKJB63iHMOkVJv3vH4fzwAuKUGn2K Zup4w5SgoA== ) adns1.nnn.upenn.edu. 86400 IN RRSIG ( AAAA 13 4 86400 20251110135313 20251011130910 53469 upenn.edu. /sYY9kn/Bfyxuk1zB2IJbFoiilnNj8RPNs/BScpb5TzYwcuUCxuREAk/5MPdylgdsG5ysePzbbMo LYUL0vQL9A== ) adns2.nnn.upenn.edu. 86400 IN RRSIG ( A 13 4 86400 20251115131046 20251016121603 53469 upenn.edu. bKjFRftMfrULiXCMOD8WO5aZydYtoivi6EuEyQd/LGFp0fnZYA2B3/lpIGdwGQUsMFyzVtn9zIxq /NQU32jZsA== ) adns2.nnn.upenn.edu. 86400 IN RRSIG ( AAAA 13 4 86400 20251115131046 20251016121603 53469 upenn.edu. WdEb0KuJmLbf6y4BAlbvnFQwAbgxxUq7EQaggKmupEAklx0J0MEOmsHxeMIeRGRh+Z9u88+lirPa ZSynkylG2A== ) ;; { "EDNS-VERSION": 0 }
	dns1.udel.edu is authoritative for upenn.edu
	Found RRSIG signed by upenn.edu zone
	Query to dns1.udel.edu for upenn.edu/A
	Received 1127 bytes from 128.175.13.16
	;; Response received from [128.175.13.16] 1127 octets ;; HEADER SECTION ;; id = 38957 ;; 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 = 9 arcount = 17 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; upenn.edu. IN A ;; ANSWER SECTION (2 records) upenn.edu. 86400 IN A 23.185.0.4 upenn.edu. 86400 IN RRSIG ( A 13 2 86400 20251118151245 20251019145854 53469 upenn.edu. 9td2smVqqM7SLaa9e70zGlb/GieJZvXVl/rqkdZ52C68JktD9vEjEkXhYtwHkdqgT1ifDKz+BMWI mxJ65ZYwLA== ) ;; AUTHORITY SECTION (9 records) upenn.edu. 86400 IN NS adns6.upenn.edu. upenn.edu. 86400 IN NS dns1.udel.edu. upenn.edu. 86400 IN NS dns2.udel.edu. upenn.edu. 86400 IN NS adns1.nnn.upenn.edu. upenn.edu. 86400 IN NS adns2.nnn.upenn.edu. upenn.edu. 86400 IN NS adns3.nnn.upenn.edu. upenn.edu. 86400 IN NS adns4.upenn.edu. upenn.edu. 86400 IN NS adns5.upenn.edu. upenn.edu. 86400 IN RRSIG ( NS 13 2 86400 20251103034125 20251004032312 53469 upenn.edu. s0hKIpKk6QApaRRddDQlYykH3cbH2Vwr2UB30tQETfz3FZ/RiGEjcS79fwLvW57il5VAncXxcszE b4oUYDK+IQ== ) ;; ADDITIONAL SECTION (17 records) adns1.nnn.upenn.edu. 86400 IN A 128.91.2.53 adns2.nnn.upenn.edu. 86400 IN A 128.91.254.53 adns3.nnn.upenn.edu. 86400 IN A 128.91.251.53 adns4.upenn.edu. 86400 IN A 208.94.148.32 adns5.upenn.edu. 86400 IN A 208.80.124.32 adns6.upenn.edu. 86400 IN A 208.80.126.32 adns1.nnn.upenn.edu. 86400 IN AAAA 2607:f470:1001::ad:1 adns2.nnn.upenn.edu. 86400 IN AAAA 2607:f470:1002::ad:2 adns3.nnn.upenn.edu. 86400 IN AAAA 2607:f470:1003::ad:3 adns4.upenn.edu. 86400 IN AAAA 2600:1800:5::1:0 adns5.upenn.edu. 86400 IN AAAA 2600:1801:6::1:0 adns6.upenn.edu. 86400 IN AAAA 2600:1802:7::1:0 adns1.nnn.upenn.edu. 86400 IN RRSIG ( A 13 4 86400 20251110141518 20251011133656 53469 upenn.edu. CaBKH7HwVm3hTFhzr4YO3VTRYbPuEKE33lrWGtXAew01eDuMKJB63iHMOkVJv3vH4fzwAuKUGn2K Zup4w5SgoA== ) adns1.nnn.upenn.edu. 86400 IN RRSIG ( AAAA 13 4 86400 20251110135313 20251011130910 53469 upenn.edu. /sYY9kn/Bfyxuk1zB2IJbFoiilnNj8RPNs/BScpb5TzYwcuUCxuREAk/5MPdylgdsG5ysePzbbMo LYUL0vQL9A== ) adns2.nnn.upenn.edu. 86400 IN RRSIG ( A 13 4 86400 20251115131046 20251016121603 53469 upenn.edu. bKjFRftMfrULiXCMOD8WO5aZydYtoivi6EuEyQd/LGFp0fnZYA2B3/lpIGdwGQUsMFyzVtn9zIxq /NQU32jZsA== ) adns2.nnn.upenn.edu. 86400 IN RRSIG ( AAAA 13 4 86400 20251115131046 20251016121603 53469 upenn.edu. WdEb0KuJmLbf6y4BAlbvnFQwAbgxxUq7EQaggKmupEAklx0J0MEOmsHxeMIeRGRh+Z9u88+lirPa ZSynkylG2A== ) ;; { "EDNS-VERSION": 0 }
	upenn.edu A RR has value 23.185.0.4
	Found 1 RRSIGs over A RRset
	`upenn.edu. 86400 IN RRSIG ( A 13 2 86400 20251118151245 20251019145854 53469 upenn.edu. 9td2smVqqM7SLaa9e70zGlb/GieJZvXVl/rqkdZ52C68JktD9vEjEkXhYtwHkdqgT1ifDKz+BMWI mxJ65ZYwLA== )`
	RRSIG=53469 and DNSKEY=53469 verifies the A RRset

upenn.edu

	Query to dns2.udel.edu for upenn.edu/A
	Received 1127 bytes from 128.175.13.17
	;; Response received from [128.175.13.17] 1127 octets ;; HEADER SECTION ;; id = 45214 ;; 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 = 9 arcount = 17 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; upenn.edu. IN A ;; ANSWER SECTION (2 records) upenn.edu. 86400 IN A 23.185.0.4 upenn.edu. 86400 IN RRSIG ( A 13 2 86400 20251118151245 20251019145854 53469 upenn.edu. 9td2smVqqM7SLaa9e70zGlb/GieJZvXVl/rqkdZ52C68JktD9vEjEkXhYtwHkdqgT1ifDKz+BMWI mxJ65ZYwLA== ) ;; AUTHORITY SECTION (9 records) upenn.edu. 86400 IN NS adns3.nnn.upenn.edu. upenn.edu. 86400 IN NS adns4.upenn.edu. upenn.edu. 86400 IN NS adns5.upenn.edu. upenn.edu. 86400 IN NS adns6.upenn.edu. upenn.edu. 86400 IN NS dns1.udel.edu. upenn.edu. 86400 IN NS dns2.udel.edu. upenn.edu. 86400 IN NS adns1.nnn.upenn.edu. upenn.edu. 86400 IN NS adns2.nnn.upenn.edu. upenn.edu. 86400 IN RRSIG ( NS 13 2 86400 20251103034125 20251004032312 53469 upenn.edu. s0hKIpKk6QApaRRddDQlYykH3cbH2Vwr2UB30tQETfz3FZ/RiGEjcS79fwLvW57il5VAncXxcszE b4oUYDK+IQ== ) ;; ADDITIONAL SECTION (17 records) adns1.nnn.upenn.edu. 86400 IN A 128.91.2.53 adns2.nnn.upenn.edu. 86400 IN A 128.91.254.53 adns3.nnn.upenn.edu. 86400 IN A 128.91.251.53 adns4.upenn.edu. 86400 IN A 208.94.148.32 adns5.upenn.edu. 86400 IN A 208.80.124.32 adns6.upenn.edu. 86400 IN A 208.80.126.32 adns1.nnn.upenn.edu. 86400 IN AAAA 2607:f470:1001::ad:1 adns2.nnn.upenn.edu. 86400 IN AAAA 2607:f470:1002::ad:2 adns3.nnn.upenn.edu. 86400 IN AAAA 2607:f470:1003::ad:3 adns4.upenn.edu. 86400 IN AAAA 2600:1800:5::1:0 adns5.upenn.edu. 86400 IN AAAA 2600:1801:6::1:0 adns6.upenn.edu. 86400 IN AAAA 2600:1802:7::1:0 adns1.nnn.upenn.edu. 86400 IN RRSIG ( A 13 4 86400 20251110141518 20251011133656 53469 upenn.edu. CaBKH7HwVm3hTFhzr4YO3VTRYbPuEKE33lrWGtXAew01eDuMKJB63iHMOkVJv3vH4fzwAuKUGn2K Zup4w5SgoA== ) adns1.nnn.upenn.edu. 86400 IN RRSIG ( AAAA 13 4 86400 20251110135313 20251011130910 53469 upenn.edu. /sYY9kn/Bfyxuk1zB2IJbFoiilnNj8RPNs/BScpb5TzYwcuUCxuREAk/5MPdylgdsG5ysePzbbMo LYUL0vQL9A== ) adns2.nnn.upenn.edu. 86400 IN RRSIG ( A 13 4 86400 20251115131046 20251016121603 53469 upenn.edu. bKjFRftMfrULiXCMOD8WO5aZydYtoivi6EuEyQd/LGFp0fnZYA2B3/lpIGdwGQUsMFyzVtn9zIxq /NQU32jZsA== ) adns2.nnn.upenn.edu. 86400 IN RRSIG ( AAAA 13 4 86400 20251115131046 20251016121603 53469 upenn.edu. WdEb0KuJmLbf6y4BAlbvnFQwAbgxxUq7EQaggKmupEAklx0J0MEOmsHxeMIeRGRh+Z9u88+lirPa ZSynkylG2A== ) ;; { "EDNS-VERSION": 0 }
	dns2.udel.edu is authoritative for upenn.edu
	Found RRSIG signed by upenn.edu zone
	Query to dns2.udel.edu for upenn.edu/A
	Received 1127 bytes from 128.175.13.17
	;; Response received from [128.175.13.17] 1127 octets ;; HEADER SECTION ;; id = 25475 ;; 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 = 9 arcount = 17 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; upenn.edu. IN A ;; ANSWER SECTION (2 records) upenn.edu. 86400 IN A 23.185.0.4 upenn.edu. 86400 IN RRSIG ( A 13 2 86400 20251118151245 20251019145854 53469 upenn.edu. 9td2smVqqM7SLaa9e70zGlb/GieJZvXVl/rqkdZ52C68JktD9vEjEkXhYtwHkdqgT1ifDKz+BMWI mxJ65ZYwLA== ) ;; AUTHORITY SECTION (9 records) upenn.edu. 86400 IN NS adns5.upenn.edu. upenn.edu. 86400 IN NS adns6.upenn.edu. upenn.edu. 86400 IN NS dns1.udel.edu. upenn.edu. 86400 IN NS dns2.udel.edu. upenn.edu. 86400 IN NS adns1.nnn.upenn.edu. upenn.edu. 86400 IN NS adns2.nnn.upenn.edu. upenn.edu. 86400 IN NS adns3.nnn.upenn.edu. upenn.edu. 86400 IN NS adns4.upenn.edu. upenn.edu. 86400 IN RRSIG ( NS 13 2 86400 20251103034125 20251004032312 53469 upenn.edu. s0hKIpKk6QApaRRddDQlYykH3cbH2Vwr2UB30tQETfz3FZ/RiGEjcS79fwLvW57il5VAncXxcszE b4oUYDK+IQ== ) ;; ADDITIONAL SECTION (17 records) adns1.nnn.upenn.edu. 86400 IN A 128.91.2.53 adns2.nnn.upenn.edu. 86400 IN A 128.91.254.53 adns3.nnn.upenn.edu. 86400 IN A 128.91.251.53 adns4.upenn.edu. 86400 IN A 208.94.148.32 adns5.upenn.edu. 86400 IN A 208.80.124.32 adns6.upenn.edu. 86400 IN A 208.80.126.32 adns1.nnn.upenn.edu. 86400 IN AAAA 2607:f470:1001::ad:1 adns2.nnn.upenn.edu. 86400 IN AAAA 2607:f470:1002::ad:2 adns3.nnn.upenn.edu. 86400 IN AAAA 2607:f470:1003::ad:3 adns4.upenn.edu. 86400 IN AAAA 2600:1800:5::1:0 adns5.upenn.edu. 86400 IN AAAA 2600:1801:6::1:0 adns6.upenn.edu. 86400 IN AAAA 2600:1802:7::1:0 adns1.nnn.upenn.edu. 86400 IN RRSIG ( A 13 4 86400 20251110141518 20251011133656 53469 upenn.edu. CaBKH7HwVm3hTFhzr4YO3VTRYbPuEKE33lrWGtXAew01eDuMKJB63iHMOkVJv3vH4fzwAuKUGn2K Zup4w5SgoA== ) adns1.nnn.upenn.edu. 86400 IN RRSIG ( AAAA 13 4 86400 20251110135313 20251011130910 53469 upenn.edu. /sYY9kn/Bfyxuk1zB2IJbFoiilnNj8RPNs/BScpb5TzYwcuUCxuREAk/5MPdylgdsG5ysePzbbMo LYUL0vQL9A== ) adns2.nnn.upenn.edu. 86400 IN RRSIG ( A 13 4 86400 20251115131046 20251016121603 53469 upenn.edu. bKjFRftMfrULiXCMOD8WO5aZydYtoivi6EuEyQd/LGFp0fnZYA2B3/lpIGdwGQUsMFyzVtn9zIxq /NQU32jZsA== ) adns2.nnn.upenn.edu. 86400 IN RRSIG ( AAAA 13 4 86400 20251115131046 20251016121603 53469 upenn.edu. WdEb0KuJmLbf6y4BAlbvnFQwAbgxxUq7EQaggKmupEAklx0J0MEOmsHxeMIeRGRh+Z9u88+lirPa ZSynkylG2A== ) ;; { "EDNS-VERSION": 0 }
	upenn.edu A RR has value 23.185.0.4
	Found 1 RRSIGs over A RRset
	`upenn.edu. 86400 IN RRSIG ( A 13 2 86400 20251118151245 20251019145854 53469 upenn.edu. 9td2smVqqM7SLaa9e70zGlb/GieJZvXVl/rqkdZ52C68JktD9vEjEkXhYtwHkdqgT1ifDKz+BMWI mxJ65ZYwLA== )`
	RRSIG=53469 and DNSKEY=53469 verifies the A RRset

upenn.edu

	Query to adns3.nnn.upenn.edu for upenn.edu/A
	Received 159 bytes from 128.91.251.53
	;; Response received from [128.91.251.53] 159 octets ;; HEADER SECTION ;; id = 505 ;; 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) ;; upenn.edu. IN A ;; ANSWER SECTION (2 records) upenn.edu. 86400 IN A 23.185.0.4 upenn.edu. 86400 IN RRSIG ( A 13 2 86400 20251118151245 20251019145854 53469 upenn.edu. 9td2smVqqM7SLaa9e70zGlb/GieJZvXVl/rqkdZ52C68JktD9vEjEkXhYtwHkdqgT1ifDKz+BMWI mxJ65ZYwLA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	adns3.nnn.upenn.edu is authoritative for upenn.edu
	Found RRSIG signed by upenn.edu zone
	Query to adns3.nnn.upenn.edu for upenn.edu/A
	Received 159 bytes from 128.91.251.53
	;; Response received from [128.91.251.53] 159 octets ;; HEADER SECTION ;; id = 21938 ;; 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) ;; upenn.edu. IN A ;; ANSWER SECTION (2 records) upenn.edu. 86400 IN A 23.185.0.4 upenn.edu. 86400 IN RRSIG ( A 13 2 86400 20251118151245 20251019145854 53469 upenn.edu. 9td2smVqqM7SLaa9e70zGlb/GieJZvXVl/rqkdZ52C68JktD9vEjEkXhYtwHkdqgT1ifDKz+BMWI mxJ65ZYwLA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	upenn.edu A RR has value 23.185.0.4
	Found 1 RRSIGs over A RRset
	`upenn.edu. 86400 IN RRSIG ( A 13 2 86400 20251118151245 20251019145854 53469 upenn.edu. 9td2smVqqM7SLaa9e70zGlb/GieJZvXVl/rqkdZ52C68JktD9vEjEkXhYtwHkdqgT1ifDKz+BMWI mxJ65ZYwLA== )`
	RRSIG=53469 and DNSKEY=53469 verifies the A RRset

Move your mouse over any or symbols for remediation hints.

Want a second opinion? Test upenn.edu at dnsviz.net.

DNSSEC Debugger

↓ Advanced options ↑ Advanced options

Trust Anchor:
Name Servers: