DNSSEC Debugger - polytechnique.edu

Domain Name:

Time: 2025-12-16 22:24:26 UTC

Analyzing DNSSEC problems for polytechnique.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 d.root-servers.net for ./DNSKEY
	Received 1139 bytes from 199.7.91.13
	;; Response received from [199.7.91.13] 1139 octets ;; HEADER SECTION ;; id = 2866 ;; 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": 1450, ;; "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 20251231000000 20251210000000 20326 . GtG815YBui59E5sObprF3pDkJhEZQhPIgRdJAGItKoXToXmek0SDpBkg7wsmoM/WWeDNWaYecNTO tz3HTi5ncNHH/vPwBSySDS2AlGCcXDH5gdoh1bIjU98OoT2QfdeujlTr8UqJ60woWwC3HUb2oyeT YSYAargeWYJ4KvNh1vkhcyg9ygR12ohkCC5XhAWucdmuVwnE5Y9qABCStI27yYppoGv36UHakdqW rhdUStla6r0C4f4BudLZX/EkFRlUUhxkwa+XtLfYO2QQxCfuot0Msne9FVEe4HNkFutJw4mGNgQZ yESjt9Q8bGbzCngJgV89HzM02ChJAVofG2ltew== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 3 DNSKEY records for .
	`. 172800 IN DNSKEY ( 256 3 8 AwEAAeuS7hMRZ7muj1c/ew2DoavxkBw3jUG5R79pKVDI39fxvlD1HfJYGJERnXuV4SrQfUPzWw/l t5Axb0EqXL/sQ2ZyntVmwQwoSXi2l9smlIKh2UrkTmmozRCPe7GS4fZTE4Ew7AV4YprTLgVmxiGP 4unRuXkYOgQJXCIBpVCmEdUli6X2sm0i5ZilU/Q+rX3RDw+eYPP7K0cJnJ+ZnvQDy14+BFtreWl9 enNQljgGpBp26lEp1z7AbvUfzkQNVCVGaM8jEaCSALXiROlwCQMOdj+tpLXFf99kdJnTQw2cpEr1 uGs/yENAJpoGhbjZAoIkXzDUBSlfFeYz7FWzH6gIe7M= ) ; keytag 61809`
	`. 172800 IN DNSKEY ( 257 3 8 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 20251231000000 20251210000000 20326 . GtG815YBui59E5sObprF3pDkJhEZQhPIgRdJAGItKoXToXmek0SDpBkg7wsmoM/WWeDNWaYecNTO tz3HTi5ncNHH/vPwBSySDS2AlGCcXDH5gdoh1bIjU98OoT2QfdeujlTr8UqJ60woWwC3HUb2oyeT YSYAargeWYJ4KvNh1vkhcyg9ygR12ohkCC5XhAWucdmuVwnE5Y9qABCStI27yYppoGv36UHakdqW rhdUStla6r0C4f4BudLZX/EkFRlUUhxkwa+XtLfYO2QQxCfuot0Msne9FVEe4HNkFutJw4mGNgQZ yESjt9Q8bGbzCngJgV89HzM02ChJAVofG2ltew== )`
	RRSIG=20326 and DNSKEY=20326/SEP verifies the DNSKEY RRset
	DNSKEY=61809 is now in the chain-of-trust
	DNSKEY=38696/SEP is now in the chain-of-trust
	Query to e.root-servers.net for polytechnique.edu/A
	Received 1176 bytes from 192.203.230.10
	;; Response received from [192.203.230.10] 1176 octets ;; HEADER SECTION ;; id = 39721 ;; 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) ;; polytechnique.edu. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (15 records) edu. 172800 IN NS a.edu-servers.net. edu. 172800 IN NS b.edu-servers.net. edu. 172800 IN NS c.edu-servers.net. edu. 172800 IN NS d.edu-servers.net. edu. 172800 IN NS e.edu-servers.net. edu. 172800 IN NS f.edu-servers.net. edu. 172800 IN NS g.edu-servers.net. edu. 172800 IN NS h.edu-servers.net. edu. 172800 IN NS i.edu-servers.net. edu. 172800 IN NS j.edu-servers.net. edu. 172800 IN NS k.edu-servers.net. edu. 172800 IN NS l.edu-servers.net. edu. 172800 IN NS m.edu-servers.net. edu. 86400 IN DS ( 35663 13 2 a2e1614291831a4746b5ac52b4b345357687271e85353082741f1cf3d06a4c1d ) edu. 86400 IN RRSIG ( DS 8 1 86400 20251229170000 20251216160000 61809 . HCO94eWsohLN8OlfgDLNzUIkGIgeEH2PoLMMfAp6oJNA1LxO/yiBJyVZbp9xo82GXpL+vxVn+SCs vvV2lwOQG57DNOxYnN4lVgUMynqOCv/6lC4UhwPlEwcDLesjrabd1UIX0N2hlFOU2L8NOwqFC4J5 OGuWcKhaAfr5X2+7CyCIqaYVYHvnA5eHN/7gjBHOjejxmpUjvXf7v3Dx/N8ynFFsaUmRoNLYRFBL ZJEV/5lYMMWRZz3xul2G4TC/39xOQvZk+Ck+X6iPhAEy2LPV6e1gXGH1ekEA9jHOUG32CktkJ8Z0 vnocbyy0oCQU8f7nBvqdc++GAshbGzQT25rCFw== ) ;; ADDITIONAL SECTION (27 records) a.edu-servers.net. 172800 IN A 192.5.6.30 a.edu-servers.net. 172800 IN AAAA 2001:503:a83e::2:30 b.edu-servers.net. 172800 IN A 192.33.14.30 b.edu-servers.net. 172800 IN AAAA 2001:503:231d::2:30 c.edu-servers.net. 172800 IN A 192.26.92.30 c.edu-servers.net. 172800 IN AAAA 2001:503:83eb::30 d.edu-servers.net. 172800 IN A 192.31.80.30 d.edu-servers.net. 172800 IN AAAA 2001:500:856e::30 e.edu-servers.net. 172800 IN A 192.12.94.30 e.edu-servers.net. 172800 IN AAAA 2001:502:1ca1::30 f.edu-servers.net. 172800 IN A 192.35.51.30 f.edu-servers.net. 172800 IN AAAA 2001:503:d414::30 g.edu-servers.net. 172800 IN A 192.42.93.30 g.edu-servers.net. 172800 IN AAAA 2001:503:eea3::30 h.edu-servers.net. 172800 IN A 192.54.112.30 h.edu-servers.net. 172800 IN AAAA 2001:502:8cc::30 i.edu-servers.net. 172800 IN A 192.43.172.30 i.edu-servers.net. 172800 IN AAAA 2001:503:39c1::30 j.edu-servers.net. 172800 IN A 192.48.79.30 j.edu-servers.net. 172800 IN AAAA 2001:502:7094::30 k.edu-servers.net. 172800 IN A 192.52.178.30 k.edu-servers.net. 172800 IN AAAA 2001:503:d2d::30 l.edu-servers.net. 172800 IN A 192.41.162.30 l.edu-servers.net. 172800 IN AAAA 2001:500:d937::30 m.edu-servers.net. 172800 IN A 192.55.83.30 m.edu-servers.net. 172800 IN AAAA 2001:501:b1f9::30 ;; { "EDNS-VERSION": 0 }
	Query to l.root-servers.net for edu/DNSKEY
	Received 1162 bytes from 199.7.83.42
	;; Response received from [199.7.83.42] 1162 octets ;; HEADER SECTION ;; id = 33222 ;; qr = 1 aa = 0 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 0 ;; nscount = 15 arcount = 27 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; edu. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (15 records) edu. 172800 IN NS a.edu-servers.net. edu. 172800 IN NS b.edu-servers.net. edu. 172800 IN NS c.edu-servers.net. edu. 172800 IN NS d.edu-servers.net. edu. 172800 IN NS e.edu-servers.net. edu. 172800 IN NS f.edu-servers.net. edu. 172800 IN NS g.edu-servers.net. edu. 172800 IN NS h.edu-servers.net. edu. 172800 IN NS i.edu-servers.net. edu. 172800 IN NS j.edu-servers.net. edu. 172800 IN NS k.edu-servers.net. edu. 172800 IN NS l.edu-servers.net. edu. 172800 IN NS m.edu-servers.net. edu. 86400 IN DS ( 35663 13 2 a2e1614291831a4746b5ac52b4b345357687271e85353082741f1cf3d06a4c1d ) edu. 86400 IN RRSIG ( DS 8 1 86400 20251229170000 20251216160000 61809 . HCO94eWsohLN8OlfgDLNzUIkGIgeEH2PoLMMfAp6oJNA1LxO/yiBJyVZbp9xo82GXpL+vxVn+SCs vvV2lwOQG57DNOxYnN4lVgUMynqOCv/6lC4UhwPlEwcDLesjrabd1UIX0N2hlFOU2L8NOwqFC4J5 OGuWcKhaAfr5X2+7CyCIqaYVYHvnA5eHN/7gjBHOjejxmpUjvXf7v3Dx/N8ynFFsaUmRoNLYRFBL ZJEV/5lYMMWRZz3xul2G4TC/39xOQvZk+Ck+X6iPhAEy2LPV6e1gXGH1ekEA9jHOUG32CktkJ8Z0 vnocbyy0oCQU8f7nBvqdc++GAshbGzQT25rCFw== ) ;; ADDITIONAL SECTION (27 records) a.edu-servers.net. 172800 IN A 192.5.6.30 b.edu-servers.net. 172800 IN A 192.33.14.30 c.edu-servers.net. 172800 IN A 192.26.92.30 d.edu-servers.net. 172800 IN A 192.31.80.30 e.edu-servers.net. 172800 IN A 192.12.94.30 f.edu-servers.net. 172800 IN A 192.35.51.30 g.edu-servers.net. 172800 IN A 192.42.93.30 h.edu-servers.net. 172800 IN A 192.54.112.30 i.edu-servers.net. 172800 IN A 192.43.172.30 j.edu-servers.net. 172800 IN A 192.48.79.30 k.edu-servers.net. 172800 IN A 192.52.178.30 l.edu-servers.net. 172800 IN A 192.41.162.30 m.edu-servers.net. 172800 IN A 192.55.83.30 a.edu-servers.net. 172800 IN AAAA 2001:503:a83e::2:30 b.edu-servers.net. 172800 IN AAAA 2001:503:231d::2:30 c.edu-servers.net. 172800 IN AAAA 2001:503:83eb::30 d.edu-servers.net. 172800 IN AAAA 2001:500:856e::30 e.edu-servers.net. 172800 IN AAAA 2001:502:1ca1::30 f.edu-servers.net. 172800 IN AAAA 2001:503:d414::30 g.edu-servers.net. 172800 IN AAAA 2001:503:eea3::30 h.edu-servers.net. 172800 IN AAAA 2001:502:8cc::30 i.edu-servers.net. 172800 IN AAAA 2001:503:39c1::30 j.edu-servers.net. 172800 IN AAAA 2001:502:7094::30 k.edu-servers.net. 172800 IN AAAA 2001:503:d2d::30 l.edu-servers.net. 172800 IN AAAA 2001:500:d937::30 m.edu-servers.net. 172800 IN AAAA 2001:501:b1f9::30 ;; { "EDNS-VERSION": 0 }
	Found child zone edu

edu

	Checking DS between . and edu
	Query to c.root-servers.net for edu/DS
	Received 367 bytes from 192.33.4.12
	;; Response received from [192.33.4.12] 367 octets ;; HEADER SECTION ;; id = 30619 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; edu. IN DS ;; ANSWER SECTION (2 records) edu. 86400 IN DS ( 35663 13 2 a2e1614291831a4746b5ac52b4b345357687271e85353082741f1cf3d06a4c1d ) edu. 86400 IN RRSIG ( DS 8 1 86400 20251229170000 20251216160000 61809 . HCO94eWsohLN8OlfgDLNzUIkGIgeEH2PoLMMfAp6oJNA1LxO/yiBJyVZbp9xo82GXpL+vxVn+SCs vvV2lwOQG57DNOxYnN4lVgUMynqOCv/6lC4UhwPlEwcDLesjrabd1UIX0N2hlFOU2L8NOwqFC4J5 OGuWcKhaAfr5X2+7CyCIqaYVYHvnA5eHN/7gjBHOjejxmpUjvXf7v3Dx/N8ynFFsaUmRoNLYRFBL ZJEV/5lYMMWRZz3xul2G4TC/39xOQvZk+Ck+X6iPhAEy2LPV6e1gXGH1ekEA9jHOUG32CktkJ8Z0 vnocbyy0oCQU8f7nBvqdc++GAshbGzQT25rCFw== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 1 DS records for edu in the . zone
	DS=35663/SHA-256 has algorithm ECDSAP256SHA256
	Found 1 RRSIGs over DS RRset
	`edu. 86400 IN RRSIG ( DS 8 1 86400 20251229170000 20251216160000 61809 . HCO94eWsohLN8OlfgDLNzUIkGIgeEH2PoLMMfAp6oJNA1LxO/yiBJyVZbp9xo82GXpL+vxVn+SCs vvV2lwOQG57DNOxYnN4lVgUMynqOCv/6lC4UhwPlEwcDLesjrabd1UIX0N2hlFOU2L8NOwqFC4J5 OGuWcKhaAfr5X2+7CyCIqaYVYHvnA5eHN/7gjBHOjejxmpUjvXf7v3Dx/N8ynFFsaUmRoNLYRFBL ZJEV/5lYMMWRZz3xul2G4TC/39xOQvZk+Ck+X6iPhAEy2LPV6e1gXGH1ekEA9jHOUG32CktkJ8Z0 vnocbyy0oCQU8f7nBvqdc++GAshbGzQT25rCFw== )`
	RRSIG=61809 and DNSKEY=61809 verifies the DS RRset
	DS=35663/SHA-256 is now in the chain-of-trust
	`edu. 86400 IN DS ( 35663 13 2 a2e1614291831a4746b5ac52b4b345357687271e85353082741f1cf3d06a4c1d )`
	Query to d.edu-servers.net for edu/DNSKEY
	Received 291 bytes from 192.31.80.30
	;; Response received from [192.31.80.30] 291 octets ;; HEADER SECTION ;; id = 38494 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 3 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; edu. IN DNSKEY ;; ANSWER SECTION (3 records) edu. 86400 IN DNSKEY ( 256 3 13 z4lwcWrgRUDpdraaCEucEEmkrer/JTr5FtHXCpe1b+wON9Q2f0ytrulcutPgQOuh8YhsdM+cJa1X 5pDSvxeySA== ) ; keytag 35999 edu. 86400 IN DNSKEY ( 257 3 13 vqk4cwmCpZkXat25PaOVt3RPYDOmCr8B4D1IynrqSqzs+BeCYI6pnBNRUD9BgfqbxZHyfyDz6vbv 8KQaT7maRw== ) ; keytag 35663 edu. 86400 IN RRSIG ( DNSKEY 13 1 86400 20251231161114 20251216160614 35663 edu. 7c50XNUx1D+r8MmAnnFCe2v0FnWuHbkZ1aTm4Nd8zHzcfY8DXn7l0UDaMaHBCbATD1WHVnGwYJ3M QtF64cU0mA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 2 DNSKEY records for edu
	`edu. 86400 IN DNSKEY ( 256 3 13 z4lwcWrgRUDpdraaCEucEEmkrer/JTr5FtHXCpe1b+wON9Q2f0ytrulcutPgQOuh8YhsdM+cJa1X 5pDSvxeySA== ) ; keytag 35999`
	`edu. 86400 IN DNSKEY ( 257 3 13 vqk4cwmCpZkXat25PaOVt3RPYDOmCr8B4D1IynrqSqzs+BeCYI6pnBNRUD9BgfqbxZHyfyDz6vbv 8KQaT7maRw== ) ; keytag 35663`
	DNSKEY=35663/SEP is now in the chain-of-trust
	DS=35663/SHA-256 verifies DNSKEY=35663/SEP
	Found 1 RRSIGs over DNSKEY RRset
	`edu. 86400 IN RRSIG ( DNSKEY 13 1 86400 20251231161114 20251216160614 35663 edu. 7c50XNUx1D+r8MmAnnFCe2v0FnWuHbkZ1aTm4Nd8zHzcfY8DXn7l0UDaMaHBCbATD1WHVnGwYJ3M QtF64cU0mA== )`
	RRSIG=35663 and DNSKEY=35663/SEP verifies the DNSKEY RRset
	DNSKEY=35999 is now in the chain-of-trust
	Query to j.edu-servers.net for polytechnique.edu/A
	Received 324 bytes from 192.48.79.30
	;; Response received from [192.48.79.30] 324 octets ;; HEADER SECTION ;; id = 6198 ;; 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 = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; polytechnique.edu. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (7 records) polytechnique.edu. 172800 IN NS milou.polytechnique.fr. polytechnique.edu. 172800 IN NS rackham.polytechnique.fr. polytechnique.edu. 172800 IN NS picaros.polytechnique.fr. polytechnique.edu. 172800 IN NS nsb.perf1.com. polytechnique.edu. 172800 IN NS nsa.perf1.fr. polytechnique.edu. 86400 IN DS ( 2448 13 2 3ce0a557e24d8b5671126ea760a272c19dbaf2c3ce863bf8b1a223594622b510 ) polytechnique.edu. 86400 IN RRSIG ( DS 13 2 86400 20251220031631 20251213020631 35999 edu. nWv//9lomWjS8nlUUfzlrCTtze6R3yLfj2cMzOYA/kBJoHopcCcVhCIEKVfslPpTkRBmCKokCwyo h1A77pPFEw== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to h.edu-servers.net for polytechnique.edu/DNSKEY
	Received 324 bytes from 192.54.112.30
	;; Response received from [192.54.112.30] 324 octets ;; HEADER SECTION ;; id = 42027 ;; 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 = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; polytechnique.edu. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (7 records) polytechnique.edu. 172800 IN NS milou.polytechnique.fr. polytechnique.edu. 172800 IN NS rackham.polytechnique.fr. polytechnique.edu. 172800 IN NS picaros.polytechnique.fr. polytechnique.edu. 172800 IN NS nsb.perf1.com. polytechnique.edu. 172800 IN NS nsa.perf1.fr. polytechnique.edu. 86400 IN DS ( 2448 13 2 3ce0a557e24d8b5671126ea760a272c19dbaf2c3ce863bf8b1a223594622b510 ) polytechnique.edu. 86400 IN RRSIG ( DS 13 2 86400 20251220031631 20251213020631 35999 edu. nWv//9lomWjS8nlUUfzlrCTtze6R3yLfj2cMzOYA/kBJoHopcCcVhCIEKVfslPpTkRBmCKokCwyo h1A77pPFEw== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found child zone polytechnique.edu

polytechnique.edu

	Checking DS between edu and polytechnique.edu
	Query to i.edu-servers.net for polytechnique.edu/DS
	Received 1087 bytes from 192.43.172.30
	;; Response received from [192.43.172.30] 1087 octets ;; HEADER SECTION ;; id = 49574 ;; 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) ;; polytechnique.edu. IN DS ;; ANSWER SECTION (2 records) polytechnique.edu. 86400 IN DS ( 2448 13 2 3ce0a557e24d8b5671126ea760a272c19dbaf2c3ce863bf8b1a223594622b510 ) polytechnique.edu. 86400 IN RRSIG ( DS 13 2 86400 20251220031631 20251213020631 35999 edu. nWv//9lomWjS8nlUUfzlrCTtze6R3yLfj2cMzOYA/kBJoHopcCcVhCIEKVfslPpTkRBmCKokCwyo h1A77pPFEw== ) ;; AUTHORITY SECTION (14 records) edu. 172800 IN NS d.edu-servers.net. edu. 172800 IN NS a.edu-servers.net. edu. 172800 IN NS h.edu-servers.net. edu. 172800 IN NS m.edu-servers.net. edu. 172800 IN NS k.edu-servers.net. edu. 172800 IN NS e.edu-servers.net. edu. 172800 IN NS i.edu-servers.net. edu. 172800 IN NS f.edu-servers.net. edu. 172800 IN NS j.edu-servers.net. edu. 172800 IN NS c.edu-servers.net. edu. 172800 IN NS l.edu-servers.net. edu. 172800 IN NS b.edu-servers.net. edu. 172800 IN NS g.edu-servers.net. edu. 172800 IN RRSIG ( NS 13 1 172800 20251222031424 20251215020424 35999 edu. T0sJb9o1BLJAH0VGW0E3mi1Yqqc22m8DtAHUxSZpL36qTwMl+tUOowRDQoku36LdqKAVeLE97J2M 0UAJeqWogw== ) ;; 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 a.edu-servers.net. 172800 IN A 192.5.6.30 a.edu-servers.net. 172800 IN AAAA 2001:503:a83e::2:30 h.edu-servers.net. 172800 IN A 192.54.112.30 h.edu-servers.net. 172800 IN AAAA 2001:502:8cc::30 m.edu-servers.net. 172800 IN A 192.55.83.30 m.edu-servers.net. 172800 IN AAAA 2001:501:b1f9::30 k.edu-servers.net. 172800 IN A 192.52.178.30 k.edu-servers.net. 172800 IN AAAA 2001:503:d2d::30 e.edu-servers.net. 172800 IN A 192.12.94.30 e.edu-servers.net. 172800 IN AAAA 2001:502:1ca1::30 i.edu-servers.net. 172800 IN A 192.43.172.30 i.edu-servers.net. 172800 IN AAAA 2001:503:39c1::30 f.edu-servers.net. 172800 IN A 192.35.51.30 f.edu-servers.net. 172800 IN AAAA 2001:503:d414::30 j.edu-servers.net. 172800 IN A 192.48.79.30 j.edu-servers.net. 172800 IN AAAA 2001:502:7094::30 c.edu-servers.net. 172800 IN A 192.26.92.30 c.edu-servers.net. 172800 IN AAAA 2001:503:83eb::30 l.edu-servers.net. 172800 IN A 192.41.162.30 l.edu-servers.net. 172800 IN AAAA 2001:500:d937::30 b.edu-servers.net. 172800 IN A 192.33.14.30 b.edu-servers.net. 172800 IN AAAA 2001:503:231d::2:30 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 polytechnique.edu in the edu zone
	DS=2448/SHA-256 has algorithm ECDSAP256SHA256
	Found 1 RRSIGs over DS RRset
	`polytechnique.edu. 86400 IN RRSIG ( DS 13 2 86400 20251220031631 20251213020631 35999 edu. nWv//9lomWjS8nlUUfzlrCTtze6R3yLfj2cMzOYA/kBJoHopcCcVhCIEKVfslPpTkRBmCKokCwyo h1A77pPFEw== )`
	RRSIG=35999 and DNSKEY=35999 verifies the DS RRset
	DS=2448/SHA-256 is now in the chain-of-trust
	`polytechnique.edu. 86400 IN DS ( 2448 13 2 3ce0a557e24d8b5671126ea760a272c19dbaf2c3ce863bf8b1a223594622b510 )`
	Query to nsb.perf1.com for polytechnique.edu/DNSKEY
	Received 399 bytes from 81.92.95.100
	;; Response received from [81.92.95.100] 399 octets ;; HEADER SECTION ;; id = 10368 ;; 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) ;; polytechnique.edu. IN DNSKEY ;; ANSWER SECTION (4 records) polytechnique.edu. 3600 IN RRSIG ( DNSKEY 13 2 3600 20251224145217 20251210135217 2448 polytechnique.edu. /UjHRGXPqhG4kBwv0YMgpRaaNiESyslU8mnwz4CpOswHaa7semkXqGkDPtEXaSuqwTNmvU7s5f5p sTCy0xLuwA== ) polytechnique.edu. 3600 IN DNSKEY ( 256 3 13 1VX1nyxm9O/s1x1cXy4K/A547cyayBz559AywyRbFR3yNUAdHggKjbT0iAAgZEue7SsdiS2zRvIe eEYeBhSELQ== ) ; keytag 57052 polytechnique.edu. 3600 IN DNSKEY ( 257 3 13 /hpD/TloEDDwGYH9YfSrmxA9Ea7ieBjb2vvbr8T29wI14O3GiYQvdHQnWWLD6CuhWdMBhTKcAVyM BoQYcI/Akg== ) ; keytag 2448 polytechnique.edu. 3600 IN DNSKEY ( 256 3 13 Keufq6+OEWYdH0Did9m4JKTH8fvUnbmxm5i7YuXLHrWSdTu1lC6ZH1lCEXq1S1RoJzOLPg5BejvV HVIkAWoUjg== ) ; keytag 34105 ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 3 DNSKEY records for polytechnique.edu
	`polytechnique.edu. 3600 IN DNSKEY ( 256 3 13 1VX1nyxm9O/s1x1cXy4K/A547cyayBz559AywyRbFR3yNUAdHggKjbT0iAAgZEue7SsdiS2zRvIe eEYeBhSELQ== ) ; keytag 57052`
	`polytechnique.edu. 3600 IN DNSKEY ( 257 3 13 /hpD/TloEDDwGYH9YfSrmxA9Ea7ieBjb2vvbr8T29wI14O3GiYQvdHQnWWLD6CuhWdMBhTKcAVyM BoQYcI/Akg== ) ; keytag 2448`
	`polytechnique.edu. 3600 IN DNSKEY ( 256 3 13 Keufq6+OEWYdH0Did9m4JKTH8fvUnbmxm5i7YuXLHrWSdTu1lC6ZH1lCEXq1S1RoJzOLPg5BejvV HVIkAWoUjg== ) ; keytag 34105`
	DNSKEY=2448/SEP is now in the chain-of-trust
	DS=2448/SHA-256 verifies DNSKEY=2448/SEP
	Found 1 RRSIGs over DNSKEY RRset
	`polytechnique.edu. 3600 IN RRSIG ( DNSKEY 13 2 3600 20251224145217 20251210135217 2448 polytechnique.edu. /UjHRGXPqhG4kBwv0YMgpRaaNiESyslU8mnwz4CpOswHaa7semkXqGkDPtEXaSuqwTNmvU7s5f5p sTCy0xLuwA== )`
	RRSIG=2448 and DNSKEY=2448/SEP verifies the DNSKEY RRset
	DNSKEY=57052 is now in the chain-of-trust
	DNSKEY=34105 is now in the chain-of-trust
	Query to nsb.perf1.com for polytechnique.edu/A
	Received 175 bytes from 81.92.95.100
	;; Response received from [81.92.95.100] 175 octets ;; HEADER SECTION ;; id = 23653 ;; 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) ;; polytechnique.edu. IN A ;; ANSWER SECTION (2 records) polytechnique.edu. 3600 IN RRSIG ( A 13 2 3600 20251226023342 20251212021157 57052 polytechnique.edu. Db+uUrhCVD/p5Ug6m9KCUc+Vm6s8jbjLFsy8FGFSnlDSQ479v7OIEVbPu4VcwzSUawE1Tf/mwzQF BNqOj9vWJA== ) polytechnique.edu. 3600 IN A 129.104.30.29 ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	nsb.perf1.com is authoritative for polytechnique.edu
	Found RRSIG signed by polytechnique.edu zone
	Query to nsa.perf1.fr for polytechnique.edu/SOA
	Received 228 bytes from 81.92.94.100
	;; Response received from [81.92.94.100] 228 octets ;; HEADER SECTION ;; id = 50057 ;; 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) ;; polytechnique.edu. IN SOA ;; ANSWER SECTION (2 records) polytechnique.edu. 3600 IN RRSIG ( SOA 13 2 3600 20251230191210 20251216181210 57052 polytechnique.edu. x20scQlq3eEHtfJnhPVtPC7WeOqagpuoK9dRp9t3Sw+xyobqAaxW/zeZHJaJTLN7MWzc5RCQ9kMu TfHmbaBHpw== ) polytechnique.edu. 3600 IN SOA ( milou.polytechnique.fr. hostmaster.polytechnique.fr. 2025073889 ;serial 86400 ;refresh 21600 ;retry 1209600 ;expire 3600 ;minimum ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to picaros.polytechnique.fr for polytechnique.edu/SOA
	Received 458 bytes from 129.104.7.41
	;; Response received from [129.104.7.41] 458 octets ;; HEADER SECTION ;; id = 52367 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 6 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ;; {"EXTENDED-ERROR": {"ERROR": "Prohibited", "EXTRA-TEXT": "", "INFO-CODE": 18}} ] ;; } ;; QUESTION SECTION (1 record) ;; polytechnique.edu. IN SOA ;; ANSWER SECTION (2 records) polytechnique.edu. 3600 IN SOA ( milou.polytechnique.fr. hostmaster.polytechnique.fr. 2025073889 ;serial 86400 ;refresh 21600 ;retry 1209600 ;expire 3600 ;minimum ) polytechnique.edu. 3600 IN RRSIG ( SOA 13 2 3600 20251230191210 20251216181210 57052 polytechnique.edu. x20scQlq3eEHtfJnhPVtPC7WeOqagpuoK9dRp9t3Sw+xyobqAaxW/zeZHJaJTLN7MWzc5RCQ9kMu TfHmbaBHpw== ) ;; AUTHORITY SECTION (6 records) polytechnique.edu. 3600 IN NS picaros.polytechnique.fr. polytechnique.edu. 3600 IN NS nsa.perf1.fr. polytechnique.edu. 3600 IN NS rackham.polytechnique.fr. polytechnique.edu. 3600 IN NS nsb.perf1.com. polytechnique.edu. 3600 IN NS milou.polytechnique.fr. polytechnique.edu. 3600 IN RRSIG ( NS 13 2 3600 20251226023342 20251212021157 57052 polytechnique.edu. HtU/3Ayx0x2Rq/LYHO8YMB4DElPB9AkcvtfGYTMGVqxzVbBenQoYVkMC/mqGxgbyYoHJawFQOOJt TayywkpAxQ== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to rackham.polytechnique.fr for polytechnique.edu/SOA
	Received 458 bytes from 129.104.32.41
	;; Response received from [129.104.32.41] 458 octets ;; HEADER SECTION ;; id = 63652 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 6 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ;; {"EXTENDED-ERROR": {"ERROR": "Prohibited", "EXTRA-TEXT": "", "INFO-CODE": 18}} ] ;; } ;; QUESTION SECTION (1 record) ;; polytechnique.edu. IN SOA ;; ANSWER SECTION (2 records) polytechnique.edu. 3600 IN SOA ( milou.polytechnique.fr. hostmaster.polytechnique.fr. 2025073889 ;serial 86400 ;refresh 21600 ;retry 1209600 ;expire 3600 ;minimum ) polytechnique.edu. 3600 IN RRSIG ( SOA 13 2 3600 20251230191210 20251216181210 57052 polytechnique.edu. x20scQlq3eEHtfJnhPVtPC7WeOqagpuoK9dRp9t3Sw+xyobqAaxW/zeZHJaJTLN7MWzc5RCQ9kMu TfHmbaBHpw== ) ;; AUTHORITY SECTION (6 records) polytechnique.edu. 3600 IN NS rackham.polytechnique.fr. polytechnique.edu. 3600 IN NS nsa.perf1.fr. polytechnique.edu. 3600 IN NS nsb.perf1.com. polytechnique.edu. 3600 IN NS milou.polytechnique.fr. polytechnique.edu. 3600 IN NS picaros.polytechnique.fr. polytechnique.edu. 3600 IN RRSIG ( NS 13 2 3600 20251226023342 20251212021157 57052 polytechnique.edu. HtU/3Ayx0x2Rq/LYHO8YMB4DElPB9AkcvtfGYTMGVqxzVbBenQoYVkMC/mqGxgbyYoHJawFQOOJt TayywkpAxQ== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to milou.polytechnique.fr for polytechnique.edu/SOA
	Received 458 bytes from 129.104.30.41
	;; Response received from [129.104.30.41] 458 octets ;; HEADER SECTION ;; id = 1673 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 6 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ;; {"EXTENDED-ERROR": {"ERROR": "Prohibited", "EXTRA-TEXT": "", "INFO-CODE": 18}} ] ;; } ;; QUESTION SECTION (1 record) ;; polytechnique.edu. IN SOA ;; ANSWER SECTION (2 records) polytechnique.edu. 3600 IN SOA ( milou.polytechnique.fr. hostmaster.polytechnique.fr. 2025073889 ;serial 86400 ;refresh 21600 ;retry 1209600 ;expire 3600 ;minimum ) polytechnique.edu. 3600 IN RRSIG ( SOA 13 2 3600 20251230191210 20251216181210 57052 polytechnique.edu. x20scQlq3eEHtfJnhPVtPC7WeOqagpuoK9dRp9t3Sw+xyobqAaxW/zeZHJaJTLN7MWzc5RCQ9kMu TfHmbaBHpw== ) ;; AUTHORITY SECTION (6 records) polytechnique.edu. 3600 IN NS picaros.polytechnique.fr. polytechnique.edu. 3600 IN NS nsa.perf1.fr. polytechnique.edu. 3600 IN NS rackham.polytechnique.fr. polytechnique.edu. 3600 IN NS nsb.perf1.com. polytechnique.edu. 3600 IN NS milou.polytechnique.fr. polytechnique.edu. 3600 IN RRSIG ( NS 13 2 3600 20251226023342 20251212021157 57052 polytechnique.edu. HtU/3Ayx0x2Rq/LYHO8YMB4DElPB9AkcvtfGYTMGVqxzVbBenQoYVkMC/mqGxgbyYoHJawFQOOJt TayywkpAxQ== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to nsb.perf1.com for polytechnique.edu/A
	Received 175 bytes from 81.92.95.100
	;; Response received from [81.92.95.100] 175 octets ;; HEADER SECTION ;; id = 48987 ;; 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) ;; polytechnique.edu. IN A ;; ANSWER SECTION (2 records) polytechnique.edu. 3600 IN RRSIG ( A 13 2 3600 20251226023342 20251212021157 57052 polytechnique.edu. Db+uUrhCVD/p5Ug6m9KCUc+Vm6s8jbjLFsy8FGFSnlDSQ479v7OIEVbPu4VcwzSUawE1Tf/mwzQF BNqOj9vWJA== ) polytechnique.edu. 3600 IN A 129.104.30.29 ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	polytechnique.edu A RR has value 129.104.30.29
	Found 1 RRSIGs over A RRset
	`polytechnique.edu. 3600 IN RRSIG ( A 13 2 3600 20251226023342 20251212021157 57052 polytechnique.edu. Db+uUrhCVD/p5Ug6m9KCUc+Vm6s8jbjLFsy8FGFSnlDSQ479v7OIEVbPu4VcwzSUawE1Tf/mwzQF BNqOj9vWJA== )`
	RRSIG=57052 and DNSKEY=57052 verifies the A RRset

polytechnique.edu

	Query to rackham.polytechnique.fr for polytechnique.edu/A
	Received 427 bytes from 129.104.32.41
	;; Response received from [129.104.32.41] 427 octets ;; HEADER SECTION ;; id = 19710 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 6 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ;; {"EXTENDED-ERROR": {"ERROR": "Prohibited", "EXTRA-TEXT": "", "INFO-CODE": 18}} ] ;; } ;; QUESTION SECTION (1 record) ;; polytechnique.edu. IN A ;; ANSWER SECTION (2 records) polytechnique.edu. 3600 IN A 129.104.30.29 polytechnique.edu. 3600 IN RRSIG ( A 13 2 3600 20251226023342 20251212021157 57052 polytechnique.edu. Db+uUrhCVD/p5Ug6m9KCUc+Vm6s8jbjLFsy8FGFSnlDSQ479v7OIEVbPu4VcwzSUawE1Tf/mwzQF BNqOj9vWJA== ) ;; AUTHORITY SECTION (6 records) polytechnique.edu. 3600 IN NS nsa.perf1.fr. polytechnique.edu. 3600 IN NS picaros.polytechnique.fr. polytechnique.edu. 3600 IN NS milou.polytechnique.fr. polytechnique.edu. 3600 IN NS nsb.perf1.com. polytechnique.edu. 3600 IN NS rackham.polytechnique.fr. polytechnique.edu. 3600 IN RRSIG ( NS 13 2 3600 20251226023342 20251212021157 57052 polytechnique.edu. HtU/3Ayx0x2Rq/LYHO8YMB4DElPB9AkcvtfGYTMGVqxzVbBenQoYVkMC/mqGxgbyYoHJawFQOOJt TayywkpAxQ== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	rackham.polytechnique.fr is authoritative for polytechnique.edu
	Found RRSIG signed by polytechnique.edu zone
	Query to rackham.polytechnique.fr for polytechnique.edu/A
	Received 427 bytes from 129.104.32.41
	;; Response received from [129.104.32.41] 427 octets ;; HEADER SECTION ;; id = 62134 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 6 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ;; {"EXTENDED-ERROR": {"ERROR": "Prohibited", "EXTRA-TEXT": "", "INFO-CODE": 18}} ] ;; } ;; QUESTION SECTION (1 record) ;; polytechnique.edu. IN A ;; ANSWER SECTION (2 records) polytechnique.edu. 3600 IN A 129.104.30.29 polytechnique.edu. 3600 IN RRSIG ( A 13 2 3600 20251226023342 20251212021157 57052 polytechnique.edu. Db+uUrhCVD/p5Ug6m9KCUc+Vm6s8jbjLFsy8FGFSnlDSQ479v7OIEVbPu4VcwzSUawE1Tf/mwzQF BNqOj9vWJA== ) ;; AUTHORITY SECTION (6 records) polytechnique.edu. 3600 IN NS rackham.polytechnique.fr. polytechnique.edu. 3600 IN NS milou.polytechnique.fr. polytechnique.edu. 3600 IN NS nsb.perf1.com. polytechnique.edu. 3600 IN NS nsa.perf1.fr. polytechnique.edu. 3600 IN NS picaros.polytechnique.fr. polytechnique.edu. 3600 IN RRSIG ( NS 13 2 3600 20251226023342 20251212021157 57052 polytechnique.edu. HtU/3Ayx0x2Rq/LYHO8YMB4DElPB9AkcvtfGYTMGVqxzVbBenQoYVkMC/mqGxgbyYoHJawFQOOJt TayywkpAxQ== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	polytechnique.edu A RR has value 129.104.30.29
	Found 1 RRSIGs over A RRset
	`polytechnique.edu. 3600 IN RRSIG ( A 13 2 3600 20251226023342 20251212021157 57052 polytechnique.edu. Db+uUrhCVD/p5Ug6m9KCUc+Vm6s8jbjLFsy8FGFSnlDSQ479v7OIEVbPu4VcwzSUawE1Tf/mwzQF BNqOj9vWJA== )`
	RRSIG=57052 and DNSKEY=57052 verifies the A RRset

polytechnique.edu

	Query to nsa.perf1.fr for polytechnique.edu/A
	Received 175 bytes from 81.92.94.100
	;; Response received from [81.92.94.100] 175 octets ;; HEADER SECTION ;; id = 59283 ;; 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) ;; polytechnique.edu. IN A ;; ANSWER SECTION (2 records) polytechnique.edu. 3600 IN RRSIG ( A 13 2 3600 20251226023342 20251212021157 57052 polytechnique.edu. Db+uUrhCVD/p5Ug6m9KCUc+Vm6s8jbjLFsy8FGFSnlDSQ479v7OIEVbPu4VcwzSUawE1Tf/mwzQF BNqOj9vWJA== ) polytechnique.edu. 3600 IN A 129.104.30.29 ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	nsa.perf1.fr is authoritative for polytechnique.edu
	Found RRSIG signed by polytechnique.edu zone
	Query to nsa.perf1.fr for polytechnique.edu/A
	Received 175 bytes from 81.92.94.100
	;; Response received from [81.92.94.100] 175 octets ;; HEADER SECTION ;; id = 54482 ;; 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) ;; polytechnique.edu. IN A ;; ANSWER SECTION (2 records) polytechnique.edu. 3600 IN RRSIG ( A 13 2 3600 20251226023342 20251212021157 57052 polytechnique.edu. Db+uUrhCVD/p5Ug6m9KCUc+Vm6s8jbjLFsy8FGFSnlDSQ479v7OIEVbPu4VcwzSUawE1Tf/mwzQF BNqOj9vWJA== ) polytechnique.edu. 3600 IN A 129.104.30.29 ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	polytechnique.edu A RR has value 129.104.30.29
	Found 1 RRSIGs over A RRset
	`polytechnique.edu. 3600 IN RRSIG ( A 13 2 3600 20251226023342 20251212021157 57052 polytechnique.edu. Db+uUrhCVD/p5Ug6m9KCUc+Vm6s8jbjLFsy8FGFSnlDSQ479v7OIEVbPu4VcwzSUawE1Tf/mwzQF BNqOj9vWJA== )`
	RRSIG=57052 and DNSKEY=57052 verifies the A RRset

polytechnique.edu

	Query to milou.polytechnique.fr for polytechnique.edu/A
	Received 427 bytes from 129.104.30.41
	;; Response received from [129.104.30.41] 427 octets ;; HEADER SECTION ;; id = 59437 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 6 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ;; {"EXTENDED-ERROR": {"ERROR": "Prohibited", "EXTRA-TEXT": "", "INFO-CODE": 18}} ] ;; } ;; QUESTION SECTION (1 record) ;; polytechnique.edu. IN A ;; ANSWER SECTION (2 records) polytechnique.edu. 3600 IN A 129.104.30.29 polytechnique.edu. 3600 IN RRSIG ( A 13 2 3600 20251226023342 20251212021157 57052 polytechnique.edu. Db+uUrhCVD/p5Ug6m9KCUc+Vm6s8jbjLFsy8FGFSnlDSQ479v7OIEVbPu4VcwzSUawE1Tf/mwzQF BNqOj9vWJA== ) ;; AUTHORITY SECTION (6 records) polytechnique.edu. 3600 IN NS picaros.polytechnique.fr. polytechnique.edu. 3600 IN NS nsb.perf1.com. polytechnique.edu. 3600 IN NS milou.polytechnique.fr. polytechnique.edu. 3600 IN NS nsa.perf1.fr. polytechnique.edu. 3600 IN NS rackham.polytechnique.fr. polytechnique.edu. 3600 IN RRSIG ( NS 13 2 3600 20251226023342 20251212021157 57052 polytechnique.edu. HtU/3Ayx0x2Rq/LYHO8YMB4DElPB9AkcvtfGYTMGVqxzVbBenQoYVkMC/mqGxgbyYoHJawFQOOJt TayywkpAxQ== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	milou.polytechnique.fr is authoritative for polytechnique.edu
	Found RRSIG signed by polytechnique.edu zone
	Query to milou.polytechnique.fr for polytechnique.edu/A
	Received 427 bytes from 129.104.30.41
	;; Response received from [129.104.30.41] 427 octets ;; HEADER SECTION ;; id = 12315 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 6 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ;; {"EXTENDED-ERROR": {"ERROR": "Prohibited", "EXTRA-TEXT": "", "INFO-CODE": 18}} ] ;; } ;; QUESTION SECTION (1 record) ;; polytechnique.edu. IN A ;; ANSWER SECTION (2 records) polytechnique.edu. 3600 IN A 129.104.30.29 polytechnique.edu. 3600 IN RRSIG ( A 13 2 3600 20251226023342 20251212021157 57052 polytechnique.edu. Db+uUrhCVD/p5Ug6m9KCUc+Vm6s8jbjLFsy8FGFSnlDSQ479v7OIEVbPu4VcwzSUawE1Tf/mwzQF BNqOj9vWJA== ) ;; AUTHORITY SECTION (6 records) polytechnique.edu. 3600 IN NS picaros.polytechnique.fr. polytechnique.edu. 3600 IN NS nsb.perf1.com. polytechnique.edu. 3600 IN NS rackham.polytechnique.fr. polytechnique.edu. 3600 IN NS nsa.perf1.fr. polytechnique.edu. 3600 IN NS milou.polytechnique.fr. polytechnique.edu. 3600 IN RRSIG ( NS 13 2 3600 20251226023342 20251212021157 57052 polytechnique.edu. HtU/3Ayx0x2Rq/LYHO8YMB4DElPB9AkcvtfGYTMGVqxzVbBenQoYVkMC/mqGxgbyYoHJawFQOOJt TayywkpAxQ== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	polytechnique.edu A RR has value 129.104.30.29
	Found 1 RRSIGs over A RRset
	`polytechnique.edu. 3600 IN RRSIG ( A 13 2 3600 20251226023342 20251212021157 57052 polytechnique.edu. Db+uUrhCVD/p5Ug6m9KCUc+Vm6s8jbjLFsy8FGFSnlDSQ479v7OIEVbPu4VcwzSUawE1Tf/mwzQF BNqOj9vWJA== )`
	RRSIG=57052 and DNSKEY=57052 verifies the A RRset

polytechnique.edu

	Query to picaros.polytechnique.fr for polytechnique.edu/A
	Received 427 bytes from 129.104.7.41
	;; Response received from [129.104.7.41] 427 octets ;; HEADER SECTION ;; id = 38028 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 6 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ;; {"EXTENDED-ERROR": {"ERROR": "Prohibited", "EXTRA-TEXT": "", "INFO-CODE": 18}} ] ;; } ;; QUESTION SECTION (1 record) ;; polytechnique.edu. IN A ;; ANSWER SECTION (2 records) polytechnique.edu. 3600 IN A 129.104.30.29 polytechnique.edu. 3600 IN RRSIG ( A 13 2 3600 20251226023342 20251212021157 57052 polytechnique.edu. Db+uUrhCVD/p5Ug6m9KCUc+Vm6s8jbjLFsy8FGFSnlDSQ479v7OIEVbPu4VcwzSUawE1Tf/mwzQF BNqOj9vWJA== ) ;; AUTHORITY SECTION (6 records) polytechnique.edu. 3600 IN NS picaros.polytechnique.fr. polytechnique.edu. 3600 IN NS rackham.polytechnique.fr. polytechnique.edu. 3600 IN NS nsb.perf1.com. polytechnique.edu. 3600 IN NS milou.polytechnique.fr. polytechnique.edu. 3600 IN NS nsa.perf1.fr. polytechnique.edu. 3600 IN RRSIG ( NS 13 2 3600 20251226023342 20251212021157 57052 polytechnique.edu. HtU/3Ayx0x2Rq/LYHO8YMB4DElPB9AkcvtfGYTMGVqxzVbBenQoYVkMC/mqGxgbyYoHJawFQOOJt TayywkpAxQ== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	picaros.polytechnique.fr is authoritative for polytechnique.edu
	Found RRSIG signed by polytechnique.edu zone
	Query to picaros.polytechnique.fr for polytechnique.edu/A
	Received 427 bytes from 129.104.7.41
	;; Response received from [129.104.7.41] 427 octets ;; HEADER SECTION ;; id = 58673 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 2 ;; nscount = 6 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ;; {"EXTENDED-ERROR": {"ERROR": "Prohibited", "EXTRA-TEXT": "", "INFO-CODE": 18}} ] ;; } ;; QUESTION SECTION (1 record) ;; polytechnique.edu. IN A ;; ANSWER SECTION (2 records) polytechnique.edu. 3600 IN A 129.104.30.29 polytechnique.edu. 3600 IN RRSIG ( A 13 2 3600 20251226023342 20251212021157 57052 polytechnique.edu. Db+uUrhCVD/p5Ug6m9KCUc+Vm6s8jbjLFsy8FGFSnlDSQ479v7OIEVbPu4VcwzSUawE1Tf/mwzQF BNqOj9vWJA== ) ;; AUTHORITY SECTION (6 records) polytechnique.edu. 3600 IN NS nsb.perf1.com. polytechnique.edu. 3600 IN NS rackham.polytechnique.fr. polytechnique.edu. 3600 IN NS picaros.polytechnique.fr. polytechnique.edu. 3600 IN NS nsa.perf1.fr. polytechnique.edu. 3600 IN NS milou.polytechnique.fr. polytechnique.edu. 3600 IN RRSIG ( NS 13 2 3600 20251226023342 20251212021157 57052 polytechnique.edu. HtU/3Ayx0x2Rq/LYHO8YMB4DElPB9AkcvtfGYTMGVqxzVbBenQoYVkMC/mqGxgbyYoHJawFQOOJt TayywkpAxQ== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	polytechnique.edu A RR has value 129.104.30.29
	Found 1 RRSIGs over A RRset
	`polytechnique.edu. 3600 IN RRSIG ( A 13 2 3600 20251226023342 20251212021157 57052 polytechnique.edu. Db+uUrhCVD/p5Ug6m9KCUc+Vm6s8jbjLFsy8FGFSnlDSQ479v7OIEVbPu4VcwzSUawE1Tf/mwzQF BNqOj9vWJA== )`
	RRSIG=57052 and DNSKEY=57052 verifies the A RRset

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