DNSSEC Debugger - polytechnique.edu

Domain Name:

Time: 2025-10-19 14:46:09 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 j.root-servers.net for ./DNSKEY
	Received 1139 bytes from 192.58.128.30
	;; Response received from [192.58.128.30] 1139 octets ;; HEADER SECTION ;; id = 22366 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 4 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1472, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; . IN DNSKEY ;; ANSWER SECTION (4 records) . 172800 IN DNSKEY ( 257 3 8 AwEAAa96jeuknZlaeSrvyAJj6ZHv28hhOKkx3rLGXVaC6rXTsDc449/cidltpkyGwCJNnOAlFNKF 2jBosZBU5eeHspaQWOmOElZsjICMQMC3aeHbGiShvZsx4wMYSjH8e7Vrhbu6irwCzVBApESjbUdp WWmEnhathWu1jo+siFUiRAAxm9qyJNg/wOZqqzL/dL/q8PkcRU5oUKEpUge71M3ej2/7CPqpdVwu MoTvoB+ZOT4YeGyxMvHmbrxlFzGOHOijtzN+u1TQNatX2XBuzZNQ1K+s2CXkPIZo7s6JgZyvaBev YtxPvYLw4z9mR7K2vaF18UYH9Z9GNUUeayffKC73PYc= ) ; keytag 38696 . 172800 IN DNSKEY ( 256 3 8 AwEAAeuS7hMRZ7muj1c/ew2DoavxkBw3jUG5R79pKVDI39fxvlD1HfJYGJERnXuV4SrQfUPzWw/l t5Axb0EqXL/sQ2ZyntVmwQwoSXi2l9smlIKh2UrkTmmozRCPe7GS4fZTE4Ew7AV4YprTLgVmxiGP 4unRuXkYOgQJXCIBpVCmEdUli6X2sm0i5ZilU/Q+rX3RDw+eYPP7K0cJnJ+ZnvQDy14+BFtreWl9 enNQljgGpBp26lEp1z7AbvUfzkQNVCVGaM8jEaCSALXiROlwCQMOdj+tpLXFf99kdJnTQw2cpEr1 uGs/yENAJpoGhbjZAoIkXzDUBSlfFeYz7FWzH6gIe7M= ) ; keytag 61809 . 172800 IN DNSKEY ( 257 3 8 AwEAAaz/tAm8yTn4Mfeh5eyI96WSVexTBAvkMgJzkKTOiW1vkIbzxeF3+/4RgWOq7HrxRixHlFlE xOLAJr5emLvN7SWXgnLh4+B5xQlNVz8Og8kvArMtNROxVQuCaSnIDdD5LKyWbRd2n9WGe2R8PzgC mr3EgVLrjyBxWezF0jLHwVN8efS3rCj/EWgvIWgb9tarpVUDK/b58Da+sqqls3eNbuv7pr+eoZG+ SrDK6nWeL3c6H5Apxz7LjVc1uTIdsIXxuOLYA4/ilBmSVIzuDWfdRUfhHdY6+cn8HFRm+2hM8AnX GXws9555KrUB5qihylGa8subX2Nn6UwNR1AkUTV74bU= ) ; keytag 20326 . 172800 IN RRSIG ( DNSKEY 8 0 172800 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 ( 257 3 8 AwEAAa96jeuknZlaeSrvyAJj6ZHv28hhOKkx3rLGXVaC6rXTsDc449/cidltpkyGwCJNnOAlFNKF 2jBosZBU5eeHspaQWOmOElZsjICMQMC3aeHbGiShvZsx4wMYSjH8e7Vrhbu6irwCzVBApESjbUdp WWmEnhathWu1jo+siFUiRAAxm9qyJNg/wOZqqzL/dL/q8PkcRU5oUKEpUge71M3ej2/7CPqpdVwu MoTvoB+ZOT4YeGyxMvHmbrxlFzGOHOijtzN+u1TQNatX2XBuzZNQ1K+s2CXkPIZo7s6JgZyvaBev YtxPvYLw4z9mR7K2vaF18UYH9Z9GNUUeayffKC73PYc= ) ; keytag 38696`
	`. 172800 IN DNSKEY ( 256 3 8 AwEAAeuS7hMRZ7muj1c/ew2DoavxkBw3jUG5R79pKVDI39fxvlD1HfJYGJERnXuV4SrQfUPzWw/l t5Axb0EqXL/sQ2ZyntVmwQwoSXi2l9smlIKh2UrkTmmozRCPe7GS4fZTE4Ew7AV4YprTLgVmxiGP 4unRuXkYOgQJXCIBpVCmEdUli6X2sm0i5ZilU/Q+rX3RDw+eYPP7K0cJnJ+ZnvQDy14+BFtreWl9 enNQljgGpBp26lEp1z7AbvUfzkQNVCVGaM8jEaCSALXiROlwCQMOdj+tpLXFf99kdJnTQw2cpEr1 uGs/yENAJpoGhbjZAoIkXzDUBSlfFeYz7FWzH6gIe7M= ) ; keytag 61809`
	`. 172800 IN DNSKEY ( 257 3 8 AwEAAaz/tAm8yTn4Mfeh5eyI96WSVexTBAvkMgJzkKTOiW1vkIbzxeF3+/4RgWOq7HrxRixHlFlE xOLAJr5emLvN7SWXgnLh4+B5xQlNVz8Og8kvArMtNROxVQuCaSnIDdD5LKyWbRd2n9WGe2R8PzgC mr3EgVLrjyBxWezF0jLHwVN8efS3rCj/EWgvIWgb9tarpVUDK/b58Da+sqqls3eNbuv7pr+eoZG+ SrDK6nWeL3c6H5Apxz7LjVc1uTIdsIXxuOLYA4/ilBmSVIzuDWfdRUfhHdY6+cn8HFRm+2hM8AnX GXws9555KrUB5qihylGa8subX2Nn6UwNR1AkUTV74bU= ) ; keytag 20326`
	DNSKEY=20326/SEP is now in the chain-of-trust
	DS=20326/SHA-256 verifies DNSKEY=20326/SEP
	Found 1 RRSIGs over DNSKEY RRset
	`. 172800 IN RRSIG ( DNSKEY 8 0 172800 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=38696/SEP is now in the chain-of-trust
	DNSKEY=61809 is now in the chain-of-trust
	Query to c.root-servers.net for polytechnique.edu/A
	Received 1176 bytes from 192.33.4.12
	;; Response received from [192.33.4.12] 1176 octets ;; HEADER SECTION ;; id = 64950 ;; 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) ;; polytechnique.edu. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (15 records) edu. 172800 IN NS c.edu-servers.net. edu. 172800 IN NS g.edu-servers.net. edu. 172800 IN NS b.edu-servers.net. edu. 172800 IN NS a.edu-servers.net. edu. 172800 IN NS d.edu-servers.net. edu. 172800 IN NS e.edu-servers.net. edu. 172800 IN NS l.edu-servers.net. edu. 172800 IN NS m.edu-servers.net. edu. 172800 IN NS f.edu-servers.net. edu. 172800 IN NS k.edu-servers.net. edu. 172800 IN NS h.edu-servers.net. edu. 172800 IN NS j.edu-servers.net. edu. 172800 IN NS i.edu-servers.net. edu. 86400 IN DS ( 35663 13 2 a2e1614291831a4746b5ac52b4b345357687271e85353082741f1cf3d06a4c1d ) edu. 86400 IN RRSIG ( DS 8 1 86400 20251101050000 20251019040000 61809 . FFAVV6tdWDDJnesz+DUhN4blnHJwnAX2be/jW3wAr3/MC/LgGmyga1nlDbYe0WzcWMbdjSy+RWxl c7ZVVTeiiKz0wHXIMyXvI0TPpIHgu9rXMg/YGOEyrwfkBbK1HQS+CBjAgpz2CKBomF6KVI72PQPQ wSfodc026RAY0sZB3JdrvkMTZeRo5uihQCtnB6HUgoliiU2nW/QVJcGavHZVYEaH7FhxVMEBVnQJ S7WapDfYG1LOr68I6Q0XQtPM2aD+TeA4+1jGNHW8cmJVWrlTFi1OHvIFDa2OgwboWcctb0RYrSGy vjdYUvtPMbQZDAi7jkX9mm+14vC6qEw8Bregog== ) ;; ADDITIONAL SECTION (27 records) m.edu-servers.net. 172800 IN A 192.55.83.30 l.edu-servers.net. 172800 IN A 192.41.162.30 k.edu-servers.net. 172800 IN A 192.52.178.30 j.edu-servers.net. 172800 IN A 192.48.79.30 i.edu-servers.net. 172800 IN A 192.43.172.30 h.edu-servers.net. 172800 IN A 192.54.112.30 g.edu-servers.net. 172800 IN A 192.42.93.30 f.edu-servers.net. 172800 IN A 192.35.51.30 e.edu-servers.net. 172800 IN A 192.12.94.30 d.edu-servers.net. 172800 IN A 192.31.80.30 c.edu-servers.net. 172800 IN A 192.26.92.30 b.edu-servers.net. 172800 IN A 192.33.14.30 a.edu-servers.net. 172800 IN A 192.5.6.30 m.edu-servers.net. 172800 IN AAAA 2001:501:b1f9::30 l.edu-servers.net. 172800 IN AAAA 2001:500:d937::30 k.edu-servers.net. 172800 IN AAAA 2001:503:d2d::30 j.edu-servers.net. 172800 IN AAAA 2001:502:7094::30 i.edu-servers.net. 172800 IN AAAA 2001:503:39c1::30 h.edu-servers.net. 172800 IN AAAA 2001:502:8cc::30 g.edu-servers.net. 172800 IN AAAA 2001:503:eea3::30 f.edu-servers.net. 172800 IN AAAA 2001:503:d414::30 e.edu-servers.net. 172800 IN AAAA 2001:502:1ca1::30 d.edu-servers.net. 172800 IN AAAA 2001:500:856e::30 c.edu-servers.net. 172800 IN AAAA 2001:503:83eb::30 b.edu-servers.net. 172800 IN AAAA 2001:503:231d::2:30 a.edu-servers.net. 172800 IN AAAA 2001:503:a83e::2:30 ;; { "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 = 782 ;; 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 20251101050000 20251019040000 61809 . FFAVV6tdWDDJnesz+DUhN4blnHJwnAX2be/jW3wAr3/MC/LgGmyga1nlDbYe0WzcWMbdjSy+RWxl c7ZVVTeiiKz0wHXIMyXvI0TPpIHgu9rXMg/YGOEyrwfkBbK1HQS+CBjAgpz2CKBomF6KVI72PQPQ wSfodc026RAY0sZB3JdrvkMTZeRo5uihQCtnB6HUgoliiU2nW/QVJcGavHZVYEaH7FhxVMEBVnQJ S7WapDfYG1LOr68I6Q0XQtPM2aD+TeA4+1jGNHW8cmJVWrlTFi1OHvIFDa2OgwboWcctb0RYrSGy vjdYUvtPMbQZDAi7jkX9mm+14vC6qEw8Bregog== ) ;; 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 h.root-servers.net for edu/DS
	Received 367 bytes from 198.97.190.53
	;; Response received from [198.97.190.53] 367 octets ;; HEADER SECTION ;; id = 15627 ;; 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 20251101050000 20251019040000 61809 . FFAVV6tdWDDJnesz+DUhN4blnHJwnAX2be/jW3wAr3/MC/LgGmyga1nlDbYe0WzcWMbdjSy+RWxl c7ZVVTeiiKz0wHXIMyXvI0TPpIHgu9rXMg/YGOEyrwfkBbK1HQS+CBjAgpz2CKBomF6KVI72PQPQ wSfodc026RAY0sZB3JdrvkMTZeRo5uihQCtnB6HUgoliiU2nW/QVJcGavHZVYEaH7FhxVMEBVnQJ S7WapDfYG1LOr68I6Q0XQtPM2aD+TeA4+1jGNHW8cmJVWrlTFi1OHvIFDa2OgwboWcctb0RYrSGy vjdYUvtPMbQZDAi7jkX9mm+14vC6qEw8Bregog== ) ;; 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 20251101050000 20251019040000 61809 . FFAVV6tdWDDJnesz+DUhN4blnHJwnAX2be/jW3wAr3/MC/LgGmyga1nlDbYe0WzcWMbdjSy+RWxl c7ZVVTeiiKz0wHXIMyXvI0TPpIHgu9rXMg/YGOEyrwfkBbK1HQS+CBjAgpz2CKBomF6KVI72PQPQ wSfodc026RAY0sZB3JdrvkMTZeRo5uihQCtnB6HUgoliiU2nW/QVJcGavHZVYEaH7FhxVMEBVnQJ S7WapDfYG1LOr68I6Q0XQtPM2aD+TeA4+1jGNHW8cmJVWrlTFi1OHvIFDa2OgwboWcctb0RYrSGy vjdYUvtPMbQZDAi7jkX9mm+14vC6qEw8Bregog== )`
	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 c.edu-servers.net for edu/DNSKEY
	Received 371 bytes from 192.26.92.30
	;; Response received from [192.26.92.30] 371 octets ;; HEADER SECTION ;; id = 19830 ;; 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": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; edu. IN DNSKEY ;; ANSWER SECTION (4 records) edu. 86400 IN DNSKEY ( 256 3 13 z4lwcWrgRUDpdraaCEucEEmkrer/JTr5FtHXCpe1b+wON9Q2f0ytrulcutPgQOuh8YhsdM+cJa1X 5pDSvxeySA== ) ; keytag 35999 edu. 86400 IN DNSKEY ( 256 3 13 nXtimrDq6JI6jij2/mBpeUCFpuZZAaK88zny6YWQzr5I96nfBijS1IT2z7bKXmo8lV3V14RekvQB adBVHJKbJw== ) ; keytag 59321 edu. 86400 IN DNSKEY ( 257 3 13 vqk4cwmCpZkXat25PaOVt3RPYDOmCr8B4D1IynrqSqzs+BeCYI6pnBNRUD9BgfqbxZHyfyDz6vbv 8KQaT7maRw== ) ; keytag 35663 edu. 86400 IN RRSIG ( DNSKEY 13 1 86400 20251101151114 20251017150614 35663 edu. d1xWuscM7qsPXos5QcUBv8rFS0BphLhgelBinGgvFeVpWjtJ6P7SBQ9ceTPqtyaG67Y4Z55SmpKK sYTl9AhM2Q== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 3 DNSKEY records for edu
	`edu. 86400 IN DNSKEY ( 256 3 13 z4lwcWrgRUDpdraaCEucEEmkrer/JTr5FtHXCpe1b+wON9Q2f0ytrulcutPgQOuh8YhsdM+cJa1X 5pDSvxeySA== ) ; keytag 35999`
	`edu. 86400 IN DNSKEY ( 256 3 13 nXtimrDq6JI6jij2/mBpeUCFpuZZAaK88zny6YWQzr5I96nfBijS1IT2z7bKXmo8lV3V14RekvQB adBVHJKbJw== ) ; keytag 59321`
	`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. d1xWuscM7qsPXos5QcUBv8rFS0BphLhgelBinGgvFeVpWjtJ6P7SBQ9ceTPqtyaG67Y4Z55SmpKK sYTl9AhM2Q== )`
	RRSIG=35663 and DNSKEY=35663/SEP verifies the DNSKEY RRset
	DNSKEY=35999 is now in the chain-of-trust
	DNSKEY=59321 is now in the chain-of-trust
	Query to g.edu-servers.net for polytechnique.edu/A
	Received 324 bytes from 192.42.93.30
	;; Response received from [192.42.93.30] 324 octets ;; HEADER SECTION ;; id = 6956 ;; 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 20251025030040 20251018015040 35999 edu. Q5dLwdbJjVTpbP6Gun+J83lZoUhRf+4O5c1uRDgQ2fIUV8Rl2pxhDJZ/I82ja9tY+yVoVvifkyUz evb3xskHyQ== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to d.edu-servers.net for polytechnique.edu/DNSKEY
	Received 324 bytes from 192.31.80.30
	;; Response received from [192.31.80.30] 324 octets ;; HEADER SECTION ;; id = 11445 ;; 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 20251025030040 20251018015040 35999 edu. Q5dLwdbJjVTpbP6Gun+J83lZoUhRf+4O5c1uRDgQ2fIUV8Rl2pxhDJZ/I82ja9tY+yVoVvifkyUz evb3xskHyQ== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found child zone polytechnique.edu

polytechnique.edu

	Checking DS between edu and polytechnique.edu
	Query to m.edu-servers.net for polytechnique.edu/DS
	Received 1087 bytes from 192.55.83.30
	;; Response received from [192.55.83.30] 1087 octets ;; HEADER SECTION ;; id = 41685 ;; 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 20251025030040 20251018015040 35999 edu. Q5dLwdbJjVTpbP6Gun+J83lZoUhRf+4O5c1uRDgQ2fIUV8Rl2pxhDJZ/I82ja9tY+yVoVvifkyUz evb3xskHyQ== ) ;; AUTHORITY SECTION (14 records) edu. 172800 IN NS m.edu-servers.net. edu. 172800 IN NS i.edu-servers.net. edu. 172800 IN NS k.edu-servers.net. edu. 172800 IN NS d.edu-servers.net. edu. 172800 IN NS g.edu-servers.net. edu. 172800 IN NS h.edu-servers.net. edu. 172800 IN NS c.edu-servers.net. edu. 172800 IN NS j.edu-servers.net. edu. 172800 IN NS a.edu-servers.net. edu. 172800 IN NS b.edu-servers.net. edu. 172800 IN NS e.edu-servers.net. edu. 172800 IN NS f.edu-servers.net. edu. 172800 IN NS l.edu-servers.net. edu. 172800 IN RRSIG ( NS 13 1 172800 20251023030422 20251016015422 35999 edu. oqnJZDSo5gk/01cyV9OfGC2yw6iwYgFd9qfR7QJQZZuzKiosFwnlZDTP+oOY/vC+kogTKM5MBECS YikDIvHzmQ== ) ;; ADDITIONAL SECTION (27 records) 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 k.edu-servers.net. 172800 IN A 192.52.178.30 k.edu-servers.net. 172800 IN AAAA 2001:503:d2d::30 d.edu-servers.net. 172800 IN A 192.31.80.30 d.edu-servers.net. 172800 IN AAAA 2001:500:856e::30 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 c.edu-servers.net. 172800 IN A 192.26.92.30 c.edu-servers.net. 172800 IN AAAA 2001:503:83eb::30 j.edu-servers.net. 172800 IN A 192.48.79.30 j.edu-servers.net. 172800 IN AAAA 2001:502:7094::30 a.edu-servers.net. 172800 IN A 192.5.6.30 a.edu-servers.net. 172800 IN AAAA 2001:503:a83e::2:30 b.edu-servers.net. 172800 IN A 192.33.14.30 b.edu-servers.net. 172800 IN AAAA 2001:503:231d::2:30 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 l.edu-servers.net. 172800 IN A 192.41.162.30 l.edu-servers.net. 172800 IN AAAA 2001:500:d937::30 ;; { "EDNS-VERSION": 0 }
	Found 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 20251025030040 20251018015040 35999 edu. Q5dLwdbJjVTpbP6Gun+J83lZoUhRf+4O5c1uRDgQ2fIUV8Rl2pxhDJZ/I82ja9tY+yVoVvifkyUz evb3xskHyQ== )`
	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 = 41091 ;; 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 DNSKEY ( 256 3 13 dnAivaYtuEzXwYEbcMJ3nWrPJUjVBOKAo62I9jci6NWdSX0VLH2qJKRWDzrMRnNvYiyNy9ZJGkbD qFH8e2yvBA== ) ; keytag 54801 polytechnique.edu. 3600 IN DNSKEY ( 256 3 13 0VHFVPWnJqSyNr3AK5fBNTrqcFlsgep/t55JCS1u6ucxp4Y6vF2zpVU8lPglFATHvdfQHDunl3Rh 5G1IxiEqCQ== ) ; keytag 35684 polytechnique.edu. 3600 IN DNSKEY ( 257 3 13 /hpD/TloEDDwGYH9YfSrmxA9Ea7ieBjb2vvbr8T29wI14O3GiYQvdHQnWWLD6CuhWdMBhTKcAVyM BoQYcI/Akg== ) ; keytag 2448 polytechnique.edu. 3600 IN RRSIG ( DNSKEY 13 2 3600 20251025145217 20251011135217 2448 polytechnique.edu. q8OZuZZv4F63KEeKFnzqpQyeztZnHTKS+ap8g+x5iQnbsKa0vbCJXv9KK0s/xqPFOMYe/pYke67c FWeM193BZA== ) ;; 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 dnAivaYtuEzXwYEbcMJ3nWrPJUjVBOKAo62I9jci6NWdSX0VLH2qJKRWDzrMRnNvYiyNy9ZJGkbD qFH8e2yvBA== ) ; keytag 54801`
	`polytechnique.edu. 3600 IN DNSKEY ( 256 3 13 0VHFVPWnJqSyNr3AK5fBNTrqcFlsgep/t55JCS1u6ucxp4Y6vF2zpVU8lPglFATHvdfQHDunl3Rh 5G1IxiEqCQ== ) ; keytag 35684`
	`polytechnique.edu. 3600 IN DNSKEY ( 257 3 13 /hpD/TloEDDwGYH9YfSrmxA9Ea7ieBjb2vvbr8T29wI14O3GiYQvdHQnWWLD6CuhWdMBhTKcAVyM BoQYcI/Akg== ) ; keytag 2448`
	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 20251025145217 20251011135217 2448 polytechnique.edu. q8OZuZZv4F63KEeKFnzqpQyeztZnHTKS+ap8g+x5iQnbsKa0vbCJXv9KK0s/xqPFOMYe/pYke67c FWeM193BZA== )`
	RRSIG=2448 and DNSKEY=2448/SEP verifies the DNSKEY RRset
	DNSKEY=54801 is now in the chain-of-trust
	DNSKEY=35684 is now in the chain-of-trust
	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 = 23636 ;; 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 20251102050626 20251019042729 35684 polytechnique.edu. NMoSlGDQb5yWMFUNE+lU1pBnxkYK/7CRSO1mLTMV6T4O02epR+I6d8yyilSIkxnANmJ3FnHgBrXh ByrXOf6rKQ== ) ;; 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 20251102050626 20251019042729 35684 polytechnique.edu. O1gbc4RugCf8SPup5wHl7OLVnoNhWKExSscNXVAJCaFjL/mlsTo3Lqk8l8YR4hK/gTboIGsKKVwe nTxWz32Kqg== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	picaros.polytechnique.fr is authoritative for polytechnique.edu
	Found RRSIG signed by polytechnique.edu zone
	Query to nsb.perf1.com for polytechnique.edu/SOA
	Received 228 bytes from 81.92.95.100
	;; Response received from [81.92.95.100] 228 octets ;; HEADER SECTION ;; id = 61689 ;; 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 20251102081424 20251019071424 35684 polytechnique.edu. J3VhYnW6yk3C6Df3xV/tiWGfEfMDrVKafadf7DLDLIt1CFm7/wMwP/L0/PLGiHkj3VIw57vL1RwH P87sGjsLZw== ) polytechnique.edu. 3600 IN SOA ( milou.polytechnique.fr. hostmaster.polytechnique.fr. 2025073558 ;serial 86400 ;refresh 21600 ;retry 1209600 ;expire 3600 ;minimum ) ;; AUTHORITY SECTION (0 records) ;; 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 = 19252 ;; 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. 2025073558 ;serial 86400 ;refresh 21600 ;retry 1209600 ;expire 3600 ;minimum ) polytechnique.edu. 3600 IN RRSIG ( SOA 13 2 3600 20251102081424 20251019071424 35684 polytechnique.edu. J3VhYnW6yk3C6Df3xV/tiWGfEfMDrVKafadf7DLDLIt1CFm7/wMwP/L0/PLGiHkj3VIw57vL1RwH P87sGjsLZw== ) ;; 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 20251102050626 20251019042729 35684 polytechnique.edu. O1gbc4RugCf8SPup5wHl7OLVnoNhWKExSscNXVAJCaFjL/mlsTo3Lqk8l8YR4hK/gTboIGsKKVwe nTxWz32Kqg== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	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 = 22816 ;; 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 20251102081424 20251019071424 35684 polytechnique.edu. J3VhYnW6yk3C6Df3xV/tiWGfEfMDrVKafadf7DLDLIt1CFm7/wMwP/L0/PLGiHkj3VIw57vL1RwH P87sGjsLZw== ) polytechnique.edu. 3600 IN SOA ( milou.polytechnique.fr. hostmaster.polytechnique.fr. 2025073558 ;serial 86400 ;refresh 21600 ;retry 1209600 ;expire 3600 ;minimum ) ;; AUTHORITY SECTION (0 records) ;; 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 = 33432 ;; 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. 2025073558 ;serial 86400 ;refresh 21600 ;retry 1209600 ;expire 3600 ;minimum ) polytechnique.edu. 3600 IN RRSIG ( SOA 13 2 3600 20251102081424 20251019071424 35684 polytechnique.edu. J3VhYnW6yk3C6Df3xV/tiWGfEfMDrVKafadf7DLDLIt1CFm7/wMwP/L0/PLGiHkj3VIw57vL1RwH P87sGjsLZw== ) ;; AUTHORITY SECTION (6 records) polytechnique.edu. 3600 IN NS nsb.perf1.com. polytechnique.edu. 3600 IN NS nsa.perf1.fr. polytechnique.edu. 3600 IN NS milou.polytechnique.fr. polytechnique.edu. 3600 IN NS picaros.polytechnique.fr. polytechnique.edu. 3600 IN NS rackham.polytechnique.fr. polytechnique.edu. 3600 IN RRSIG ( NS 13 2 3600 20251102050626 20251019042729 35684 polytechnique.edu. O1gbc4RugCf8SPup5wHl7OLVnoNhWKExSscNXVAJCaFjL/mlsTo3Lqk8l8YR4hK/gTboIGsKKVwe nTxWz32Kqg== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	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 = 49092 ;; 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 20251102050626 20251019042729 35684 polytechnique.edu. NMoSlGDQb5yWMFUNE+lU1pBnxkYK/7CRSO1mLTMV6T4O02epR+I6d8yyilSIkxnANmJ3FnHgBrXh ByrXOf6rKQ== ) ;; 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 20251102050626 20251019042729 35684 polytechnique.edu. O1gbc4RugCf8SPup5wHl7OLVnoNhWKExSscNXVAJCaFjL/mlsTo3Lqk8l8YR4hK/gTboIGsKKVwe nTxWz32Kqg== ) ;; 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 20251102050626 20251019042729 35684 polytechnique.edu. NMoSlGDQb5yWMFUNE+lU1pBnxkYK/7CRSO1mLTMV6T4O02epR+I6d8yyilSIkxnANmJ3FnHgBrXh ByrXOf6rKQ== )`
	RRSIG=35684 and DNSKEY=35684 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 = 6688 ;; 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 20251102050626 20251019042729 35684 polytechnique.edu. NMoSlGDQb5yWMFUNE+lU1pBnxkYK/7CRSO1mLTMV6T4O02epR+I6d8yyilSIkxnANmJ3FnHgBrXh ByrXOf6rKQ== ) 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 = 6996 ;; 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 20251102050626 20251019042729 35684 polytechnique.edu. NMoSlGDQb5yWMFUNE+lU1pBnxkYK/7CRSO1mLTMV6T4O02epR+I6d8yyilSIkxnANmJ3FnHgBrXh ByrXOf6rKQ== ) 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 20251102050626 20251019042729 35684 polytechnique.edu. NMoSlGDQb5yWMFUNE+lU1pBnxkYK/7CRSO1mLTMV6T4O02epR+I6d8yyilSIkxnANmJ3FnHgBrXh ByrXOf6rKQ== )`
	RRSIG=35684 and DNSKEY=35684 verifies the A RRset

polytechnique.edu

	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 = 26796 ;; 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 20251102050626 20251019042729 35684 polytechnique.edu. NMoSlGDQb5yWMFUNE+lU1pBnxkYK/7CRSO1mLTMV6T4O02epR+I6d8yyilSIkxnANmJ3FnHgBrXh ByrXOf6rKQ== ) 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 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 = 51738 ;; 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 20251102050626 20251019042729 35684 polytechnique.edu. NMoSlGDQb5yWMFUNE+lU1pBnxkYK/7CRSO1mLTMV6T4O02epR+I6d8yyilSIkxnANmJ3FnHgBrXh ByrXOf6rKQ== ) 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 20251102050626 20251019042729 35684 polytechnique.edu. NMoSlGDQb5yWMFUNE+lU1pBnxkYK/7CRSO1mLTMV6T4O02epR+I6d8yyilSIkxnANmJ3FnHgBrXh ByrXOf6rKQ== )`
	RRSIG=35684 and DNSKEY=35684 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 = 41700 ;; 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 20251102050626 20251019042729 35684 polytechnique.edu. NMoSlGDQb5yWMFUNE+lU1pBnxkYK/7CRSO1mLTMV6T4O02epR+I6d8yyilSIkxnANmJ3FnHgBrXh ByrXOf6rKQ== ) ;; AUTHORITY SECTION (6 records) 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 NS milou.polytechnique.fr. polytechnique.edu. 3600 IN NS rackham.polytechnique.fr. polytechnique.edu. 3600 IN RRSIG ( NS 13 2 3600 20251102050626 20251019042729 35684 polytechnique.edu. O1gbc4RugCf8SPup5wHl7OLVnoNhWKExSscNXVAJCaFjL/mlsTo3Lqk8l8YR4hK/gTboIGsKKVwe nTxWz32Kqg== ) ;; 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 = 35179 ;; 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 20251102050626 20251019042729 35684 polytechnique.edu. NMoSlGDQb5yWMFUNE+lU1pBnxkYK/7CRSO1mLTMV6T4O02epR+I6d8yyilSIkxnANmJ3FnHgBrXh ByrXOf6rKQ== ) ;; 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 20251102050626 20251019042729 35684 polytechnique.edu. O1gbc4RugCf8SPup5wHl7OLVnoNhWKExSscNXVAJCaFjL/mlsTo3Lqk8l8YR4hK/gTboIGsKKVwe nTxWz32Kqg== ) ;; 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 20251102050626 20251019042729 35684 polytechnique.edu. NMoSlGDQb5yWMFUNE+lU1pBnxkYK/7CRSO1mLTMV6T4O02epR+I6d8yyilSIkxnANmJ3FnHgBrXh ByrXOf6rKQ== )`
	RRSIG=35684 and DNSKEY=35684 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 = 8964 ;; 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 20251102050626 20251019042729 35684 polytechnique.edu. NMoSlGDQb5yWMFUNE+lU1pBnxkYK/7CRSO1mLTMV6T4O02epR+I6d8yyilSIkxnANmJ3FnHgBrXh ByrXOf6rKQ== ) ;; 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 picaros.polytechnique.fr. polytechnique.edu. 3600 IN NS nsa.perf1.fr. polytechnique.edu. 3600 IN NS nsb.perf1.com. polytechnique.edu. 3600 IN RRSIG ( NS 13 2 3600 20251102050626 20251019042729 35684 polytechnique.edu. O1gbc4RugCf8SPup5wHl7OLVnoNhWKExSscNXVAJCaFjL/mlsTo3Lqk8l8YR4hK/gTboIGsKKVwe nTxWz32Kqg== ) ;; 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 = 31824 ;; 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 20251102050626 20251019042729 35684 polytechnique.edu. NMoSlGDQb5yWMFUNE+lU1pBnxkYK/7CRSO1mLTMV6T4O02epR+I6d8yyilSIkxnANmJ3FnHgBrXh ByrXOf6rKQ== ) ;; AUTHORITY SECTION (6 records) polytechnique.edu. 3600 IN NS rackham.polytechnique.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 nsa.perf1.fr. polytechnique.edu. 3600 IN RRSIG ( NS 13 2 3600 20251102050626 20251019042729 35684 polytechnique.edu. O1gbc4RugCf8SPup5wHl7OLVnoNhWKExSscNXVAJCaFjL/mlsTo3Lqk8l8YR4hK/gTboIGsKKVwe nTxWz32Kqg== ) ;; 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 20251102050626 20251019042729 35684 polytechnique.edu. NMoSlGDQb5yWMFUNE+lU1pBnxkYK/7CRSO1mLTMV6T4O02epR+I6d8yyilSIkxnANmJ3FnHgBrXh ByrXOf6rKQ== )`
	RRSIG=35684 and DNSKEY=35684 verifies the A RRset

Move your mouse over any or symbols for remediation hints.

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

DNSSEC Debugger

↓ Advanced options ↑ Advanced options

Trust Anchor:
Name Servers: