DNSSEC Debugger - polytechnique.edu

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Time: 2026-08-12 18:36:04 UTC

Analyzing DNSSEC problems for polytechnique.edu

DS=20326/SHA-256 is now in the chain-of-trust

DS=38696/SHA-256 is now in the chain-of-trust

	Checking DS between Trust Anchor and .
	`. IN DS ( 20326 8 2 e06d44b80b8f1d39a95c0b0d7c65d08458e880409bbc683457104237c7f8ec8d )`
	`. IN DS ( 38696 8 2 683d2d0acb8c9b712a1948b27f741219298d0a450d612c483af444a4c0fb2b16 )`
	Query to b.root-servers.net for ./DNSKEY
	Received 1139 bytes from 170.247.170.2
	;; Response received from [170.247.170.2] 1139 octets ;; HEADER SECTION ;; id = 24894 ;; 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 AwEAAeCYD6Z7WWKVLeuWgowKP+3g+Gs1cnLKq7a3CaQxQpv8bfuFVI0WnG33qaSH/Mw9IBgifrdz f4XY/DQLnyBJ9MfaOyAWuEaEmYJ+GQPiwVVfstGwSA1McfFJUttTgq2Huu74KARhtA8wPo/N3Xcy YQtNhz+qCM5NBb3ecx/naw6sYab9LxS6f2cU0q03++BP5Ks0Uef8WJCa/1izCYE+vMkwoltV+tEN a3hpXiZ7jle/xdgaZrPi5ZGmyLVI34g1XVYrNlsCCTmNvFQIfzW5STFQFsQpizczyFn9r3LzSxxP CNwdlCG84bER0BmdwqbF6Tanv+FxMOavrahkj4wIy5k= ) ; keytag 57780 . 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 20260831000000 20260810000000 20326 . V78PtBnjcahYNt6ZWnzGlM+EExU9UNP4kRg5NGdsDW8OUHNRWY86PPVrQoWY3uwSbIVxs/mv9XJx oH/NdZm46Amyns74QH6IuPcCk055P1xF8f37JaSzrn+AA9vJCicqH8fnOSG7mSXs6W+or+1tJ5zL Npqjj+IuXyWOcTB0/W3loQYrPxdYIieY2DuSPRmXvpC4Z3LjMnOSvO4Q87V2ayUuPIdhO2w6Ltr3 /k6qRfSnyAcvhomTnf55nzn/Pl3urhbB/sx8VypzJZg/76nLCSxrS4XuDU8ORagQA99GeeuqFgLu fdMhNgr5m/QE6tworB9ptU8CHkhizUgIZxCd4A== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 3 DNSKEY records for .
	`. 172800 IN DNSKEY ( 256 3 8 AwEAAeCYD6Z7WWKVLeuWgowKP+3g+Gs1cnLKq7a3CaQxQpv8bfuFVI0WnG33qaSH/Mw9IBgifrdz f4XY/DQLnyBJ9MfaOyAWuEaEmYJ+GQPiwVVfstGwSA1McfFJUttTgq2Huu74KARhtA8wPo/N3Xcy YQtNhz+qCM5NBb3ecx/naw6sYab9LxS6f2cU0q03++BP5Ks0Uef8WJCa/1izCYE+vMkwoltV+tEN a3hpXiZ7jle/xdgaZrPi5ZGmyLVI34g1XVYrNlsCCTmNvFQIfzW5STFQFsQpizczyFn9r3LzSxxP CNwdlCG84bER0BmdwqbF6Tanv+FxMOavrahkj4wIy5k= ) ; keytag 57780`
	`. 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
	DNSKEY=38696/SEP is now in the chain-of-trust
	DS=38696/SHA-256 verifies DNSKEY=38696/SEP
	Found 1 RRSIGs over DNSKEY RRset
	`. 172800 IN RRSIG ( DNSKEY 8 0 172800 20260831000000 20260810000000 20326 . V78PtBnjcahYNt6ZWnzGlM+EExU9UNP4kRg5NGdsDW8OUHNRWY86PPVrQoWY3uwSbIVxs/mv9XJx oH/NdZm46Amyns74QH6IuPcCk055P1xF8f37JaSzrn+AA9vJCicqH8fnOSG7mSXs6W+or+1tJ5zL Npqjj+IuXyWOcTB0/W3loQYrPxdYIieY2DuSPRmXvpC4Z3LjMnOSvO4Q87V2ayUuPIdhO2w6Ltr3 /k6qRfSnyAcvhomTnf55nzn/Pl3urhbB/sx8VypzJZg/76nLCSxrS4XuDU8ORagQA99GeeuqFgLu fdMhNgr5m/QE6tworB9ptU8CHkhizUgIZxCd4A== )`
	RRSIG=20326 and DNSKEY=20326/SEP verifies the DNSKEY RRset
	DNSKEY=57780 is now in the chain-of-trust
	Query to k.root-servers.net for polytechnique.edu/A
	Received 1176 bytes from 193.0.14.129
	;; Response received from [193.0.14.129] 1176 octets ;; HEADER SECTION ;; id = 55029 ;; 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 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 20260825170000 20260812160000 57780 . c8/H1/1DHWWHGBS4KcdGJAEDaN/PpFP+poNSnmdVRkd4kaJIgF8nEzXsyzBKvemC6LAo93Knz5xN n2Ux/TyNZFcT+tWOjuKyvc1nYORp++wrzEcT+mzVyXkFEK3r4InZ8B2BeqkS0/JpDnqlsiQYFOWd X1QuzQaR+Nl9/lEzxNgCX2TpxXzIgGLvdotlfrTgfRukdJXD9ZLXTaHdH5RrJasNyXhAiH4dR+GB loIz7icHFHDgA3nvlqznzJ9mZxnxo0eLnLvZRkaU0CA0ZP0N9hnwHYFFU3N4J22SZyh/B35Yi6j6 mF7uhwgm+7jTd1cj+z5FDzmmqfwzxx7MMqwaFA== ) ;; ADDITIONAL SECTION (27 records) a.edu-servers.net. 172800 IN A 192.5.6.30 b.edu-servers.net. 172800 IN A 192.33.14.30 c.edu-servers.net. 172800 IN A 192.26.92.30 d.edu-servers.net. 172800 IN A 192.31.80.30 e.edu-servers.net. 172800 IN A 192.12.94.30 f.edu-servers.net. 172800 IN A 192.35.51.30 g.edu-servers.net. 172800 IN A 192.42.93.30 h.edu-servers.net. 172800 IN A 192.54.112.30 i.edu-servers.net. 172800 IN A 192.43.172.30 j.edu-servers.net. 172800 IN A 192.48.79.30 k.edu-servers.net. 172800 IN A 192.52.178.30 l.edu-servers.net. 172800 IN A 192.41.162.30 m.edu-servers.net. 172800 IN A 192.55.83.30 a.edu-servers.net. 172800 IN AAAA 2001:503:a83e::2:30 b.edu-servers.net. 172800 IN AAAA 2001:503:231d::2:30 c.edu-servers.net. 172800 IN AAAA 2001:503:83eb::30 d.edu-servers.net. 172800 IN AAAA 2001:500:856e::30 e.edu-servers.net. 172800 IN AAAA 2001:502:1ca1::30 f.edu-servers.net. 172800 IN AAAA 2001:503:d414::30 g.edu-servers.net. 172800 IN AAAA 2001:503:eea3::30 h.edu-servers.net. 172800 IN AAAA 2001:502:8cc::30 i.edu-servers.net. 172800 IN AAAA 2001:503:39c1::30 j.edu-servers.net. 172800 IN AAAA 2001:502:7094::30 k.edu-servers.net. 172800 IN AAAA 2001:503:d2d::30 l.edu-servers.net. 172800 IN AAAA 2001:500:d937::30 m.edu-servers.net. 172800 IN AAAA 2001:501:b1f9::30 ;; { "EDNS-VERSION": 0 }
	Query to j.root-servers.net for edu/DNSKEY
	Received 1162 bytes from 192.58.128.30
	;; Response received from [192.58.128.30] 1162 octets ;; HEADER SECTION ;; id = 16522 ;; qr = 1 aa = 0 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 0 ;; nscount = 15 arcount = 27 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1472, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; edu. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (15 records) edu. 172800 IN NS a.edu-servers.net. edu. 172800 IN NS b.edu-servers.net. edu. 172800 IN NS c.edu-servers.net. edu. 172800 IN NS d.edu-servers.net. edu. 172800 IN NS e.edu-servers.net. edu. 172800 IN NS f.edu-servers.net. edu. 172800 IN NS g.edu-servers.net. edu. 172800 IN NS h.edu-servers.net. edu. 172800 IN NS i.edu-servers.net. edu. 172800 IN NS j.edu-servers.net. edu. 172800 IN NS k.edu-servers.net. edu. 172800 IN NS l.edu-servers.net. edu. 172800 IN NS m.edu-servers.net. edu. 86400 IN DS ( 35663 13 2 a2e1614291831a4746b5ac52b4b345357687271e85353082741f1cf3d06a4c1d ) edu. 86400 IN RRSIG ( DS 8 1 86400 20260825170000 20260812160000 57780 . c8/H1/1DHWWHGBS4KcdGJAEDaN/PpFP+poNSnmdVRkd4kaJIgF8nEzXsyzBKvemC6LAo93Knz5xN n2Ux/TyNZFcT+tWOjuKyvc1nYORp++wrzEcT+mzVyXkFEK3r4InZ8B2BeqkS0/JpDnqlsiQYFOWd X1QuzQaR+Nl9/lEzxNgCX2TpxXzIgGLvdotlfrTgfRukdJXD9ZLXTaHdH5RrJasNyXhAiH4dR+GB loIz7icHFHDgA3nvlqznzJ9mZxnxo0eLnLvZRkaU0CA0ZP0N9hnwHYFFU3N4J22SZyh/B35Yi6j6 mF7uhwgm+7jTd1cj+z5FDzmmqfwzxx7MMqwaFA== ) ;; ADDITIONAL SECTION (27 records) a.edu-servers.net. 172800 IN A 192.5.6.30 a.edu-servers.net. 172800 IN AAAA 2001:503:a83e::2:30 b.edu-servers.net. 172800 IN A 192.33.14.30 b.edu-servers.net. 172800 IN AAAA 2001:503:231d::2:30 c.edu-servers.net. 172800 IN A 192.26.92.30 c.edu-servers.net. 172800 IN AAAA 2001:503:83eb::30 d.edu-servers.net. 172800 IN A 192.31.80.30 d.edu-servers.net. 172800 IN AAAA 2001:500:856e::30 e.edu-servers.net. 172800 IN A 192.12.94.30 e.edu-servers.net. 172800 IN AAAA 2001:502:1ca1::30 f.edu-servers.net. 172800 IN A 192.35.51.30 f.edu-servers.net. 172800 IN AAAA 2001:503:d414::30 g.edu-servers.net. 172800 IN A 192.42.93.30 g.edu-servers.net. 172800 IN AAAA 2001:503:eea3::30 h.edu-servers.net. 172800 IN A 192.54.112.30 h.edu-servers.net. 172800 IN AAAA 2001:502:8cc::30 i.edu-servers.net. 172800 IN A 192.43.172.30 i.edu-servers.net. 172800 IN AAAA 2001:503:39c1::30 j.edu-servers.net. 172800 IN A 192.48.79.30 j.edu-servers.net. 172800 IN AAAA 2001:502:7094::30 k.edu-servers.net. 172800 IN A 192.52.178.30 k.edu-servers.net. 172800 IN AAAA 2001:503:d2d::30 l.edu-servers.net. 172800 IN A 192.41.162.30 l.edu-servers.net. 172800 IN AAAA 2001:500:d937::30 m.edu-servers.net. 172800 IN A 192.55.83.30 m.edu-servers.net. 172800 IN AAAA 2001:501:b1f9::30 ;; { "EDNS-VERSION": 0 }
	Found child zone edu

edu

	Checking DS between . and edu
	Query to 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 = 53984 ;; 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 20260825170000 20260812160000 57780 . c8/H1/1DHWWHGBS4KcdGJAEDaN/PpFP+poNSnmdVRkd4kaJIgF8nEzXsyzBKvemC6LAo93Knz5xN n2Ux/TyNZFcT+tWOjuKyvc1nYORp++wrzEcT+mzVyXkFEK3r4InZ8B2BeqkS0/JpDnqlsiQYFOWd X1QuzQaR+Nl9/lEzxNgCX2TpxXzIgGLvdotlfrTgfRukdJXD9ZLXTaHdH5RrJasNyXhAiH4dR+GB loIz7icHFHDgA3nvlqznzJ9mZxnxo0eLnLvZRkaU0CA0ZP0N9hnwHYFFU3N4J22SZyh/B35Yi6j6 mF7uhwgm+7jTd1cj+z5FDzmmqfwzxx7MMqwaFA== ) ;; 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 20260825170000 20260812160000 57780 . c8/H1/1DHWWHGBS4KcdGJAEDaN/PpFP+poNSnmdVRkd4kaJIgF8nEzXsyzBKvemC6LAo93Knz5xN n2Ux/TyNZFcT+tWOjuKyvc1nYORp++wrzEcT+mzVyXkFEK3r4InZ8B2BeqkS0/JpDnqlsiQYFOWd X1QuzQaR+Nl9/lEzxNgCX2TpxXzIgGLvdotlfrTgfRukdJXD9ZLXTaHdH5RrJasNyXhAiH4dR+GB loIz7icHFHDgA3nvlqznzJ9mZxnxo0eLnLvZRkaU0CA0ZP0N9hnwHYFFU3N4J22SZyh/B35Yi6j6 mF7uhwgm+7jTd1cj+z5FDzmmqfwzxx7MMqwaFA== )`
	RRSIG=57780 and DNSKEY=57780 verifies the DS RRset
	DS=35663/SHA-256 is now in the chain-of-trust
	`edu. 86400 IN DS ( 35663 13 2 a2e1614291831a4746b5ac52b4b345357687271e85353082741f1cf3d06a4c1d )`
	Query to b.edu-servers.net for edu/DNSKEY
	Received 291 bytes from 192.33.14.30
	;; Response received from [192.33.14.30] 291 octets ;; HEADER SECTION ;; id = 63192 ;; 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 /wryn57986cSrM6e2SVDL1jtnHPoPqjPRw0z/jlp5BJ6PNc5Jt0Y/Jw3eWBbu6ZJCry4ooX5uE6U 1swz4VmIRA== ) ; keytag 6705 edu. 86400 IN DNSKEY ( 257 3 13 vqk4cwmCpZkXat25PaOVt3RPYDOmCr8B4D1IynrqSqzs+BeCYI6pnBNRUD9BgfqbxZHyfyDz6vbv 8KQaT7maRw== ) ; keytag 35663 edu. 86400 IN RRSIG ( DNSKEY 13 1 86400 20260818151114 20260803150614 35663 edu. zfRFXFyioVhroUHsHG72x4tMotzksQ/1XX6lXu5/nzbCE2hKXhtpZ087768o/LhpmiH24DKZioLn n/F57BF3rw== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 2 DNSKEY records for edu
	`edu. 86400 IN DNSKEY ( 256 3 13 /wryn57986cSrM6e2SVDL1jtnHPoPqjPRw0z/jlp5BJ6PNc5Jt0Y/Jw3eWBbu6ZJCry4ooX5uE6U 1swz4VmIRA== ) ; keytag 6705`
	`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 20260818151114 20260803150614 35663 edu. zfRFXFyioVhroUHsHG72x4tMotzksQ/1XX6lXu5/nzbCE2hKXhtpZ087768o/LhpmiH24DKZioLn n/F57BF3rw== )`
	RRSIG=35663 and DNSKEY=35663/SEP verifies the DNSKEY RRset
	DNSKEY=6705 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 = 8845 ;; 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 ( 27495 13 2 f72a748d743c04d93dd7f679148cc9dda8baaae735d4eec7efe248701e02708d ) polytechnique.edu. 86400 IN RRSIG ( DS 13 2 86400 20260817033458 20260810022458 6705 edu. MjnbX68uia7aD7mjQgCdKC/H0OfpCFOc5H5ud2g8yILR9ntyeSVrFFdxPaDBQIJERKXJtLrxZFAy R5uOo924yw== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to b.edu-servers.net for polytechnique.edu/DNSKEY
	Received 324 bytes from 192.33.14.30
	;; Response received from [192.33.14.30] 324 octets ;; HEADER SECTION ;; id = 30014 ;; 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 ( 27495 13 2 f72a748d743c04d93dd7f679148cc9dda8baaae735d4eec7efe248701e02708d ) polytechnique.edu. 86400 IN RRSIG ( DS 13 2 86400 20260817033458 20260810022458 6705 edu. MjnbX68uia7aD7mjQgCdKC/H0OfpCFOc5H5ud2g8yILR9ntyeSVrFFdxPaDBQIJERKXJtLrxZFAy R5uOo924yw== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found child zone polytechnique.edu

polytechnique.edu

	Checking DS between edu and polytechnique.edu
	Query to e.edu-servers.net for polytechnique.edu/DS
	Received 1087 bytes from 192.12.94.30
	;; Response received from [192.12.94.30] 1087 octets ;; HEADER SECTION ;; id = 23803 ;; 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 ( 27495 13 2 f72a748d743c04d93dd7f679148cc9dda8baaae735d4eec7efe248701e02708d ) polytechnique.edu. 86400 IN RRSIG ( DS 13 2 86400 20260817033458 20260810022458 6705 edu. MjnbX68uia7aD7mjQgCdKC/H0OfpCFOc5H5ud2g8yILR9ntyeSVrFFdxPaDBQIJERKXJtLrxZFAy R5uOo924yw== ) ;; AUTHORITY SECTION (14 records) edu. 172800 IN NS m.edu-servers.net. edu. 172800 IN NS e.edu-servers.net. edu. 172800 IN NS l.edu-servers.net. edu. 172800 IN NS k.edu-servers.net. edu. 172800 IN NS i.edu-servers.net. edu. 172800 IN NS g.edu-servers.net. edu. 172800 IN NS h.edu-servers.net. edu. 172800 IN NS a.edu-servers.net. edu. 172800 IN NS d.edu-servers.net. edu. 172800 IN NS c.edu-servers.net. edu. 172800 IN NS j.edu-servers.net. edu. 172800 IN NS b.edu-servers.net. edu. 172800 IN NS f.edu-servers.net. edu. 172800 IN RRSIG ( NS 13 1 172800 20260819033751 20260812022751 6705 edu. keJv+kJYfs3di/hp1sfDYQgvWksTY+I9sITKQdc/wQIM/PkqaaFEs6tOZ0ENdsS7Dlvc2NUMhXDY bmTkgkXimw== ) ;; 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 e.edu-servers.net. 172800 IN A 192.12.94.30 e.edu-servers.net. 172800 IN AAAA 2001:502:1ca1::30 l.edu-servers.net. 172800 IN A 192.41.162.30 l.edu-servers.net. 172800 IN AAAA 2001:500:d937::30 k.edu-servers.net. 172800 IN A 192.52.178.30 k.edu-servers.net. 172800 IN AAAA 2001:503:d2d::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 h.edu-servers.net. 172800 IN A 192.54.112.30 h.edu-servers.net. 172800 IN AAAA 2001:502:8cc::30 a.edu-servers.net. 172800 IN A 192.5.6.30 a.edu-servers.net. 172800 IN AAAA 2001:503:a83e::2:30 d.edu-servers.net. 172800 IN A 192.31.80.30 d.edu-servers.net. 172800 IN AAAA 2001:500:856e::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 b.edu-servers.net. 172800 IN A 192.33.14.30 b.edu-servers.net. 172800 IN AAAA 2001:503:231d::2:30 f.edu-servers.net. 172800 IN A 192.35.51.30 f.edu-servers.net. 172800 IN AAAA 2001:503:d414::30 ;; { "EDNS-VERSION": 0 }
	Found 1 DS records for polytechnique.edu in the edu zone
	DS=27495/SHA-256 has algorithm ECDSAP256SHA256
	Found 1 RRSIGs over DS RRset
	`polytechnique.edu. 86400 IN RRSIG ( DS 13 2 86400 20260817033458 20260810022458 6705 edu. MjnbX68uia7aD7mjQgCdKC/H0OfpCFOc5H5ud2g8yILR9ntyeSVrFFdxPaDBQIJERKXJtLrxZFAy R5uOo924yw== )`
	RRSIG=6705 and DNSKEY=6705 verifies the DS RRset
	DS=27495/SHA-256 is now in the chain-of-trust
	`polytechnique.edu. 86400 IN DS ( 27495 13 2 f72a748d743c04d93dd7f679148cc9dda8baaae735d4eec7efe248701e02708d )`
	Query to picaros.polytechnique.fr for polytechnique.edu/DNSKEY
	Received 399 bytes from 129.104.7.41
	;; Response received from [129.104.7.41] 399 octets ;; HEADER SECTION ;; id = 35921 ;; 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 RMWgp0rK9EWd7oRkcLKULV+KvicVCqiKad7+eW5kZvzJ/z2OdegdmxDIUzQPO0JkAnBuLoN5Jgqj uwrPc8JDDg== ) ; keytag 14568 polytechnique.edu. 3600 IN DNSKEY ( 257 3 13 1h8Ct06C3V8exoT73yBLWaH2vSLu7111TQKyFo8y1PvYRhC69M+/8ZikO/ndkpJXADZjbn9KCj1P Gqe0RmJ49g== ) ; keytag 27495 polytechnique.edu. 3600 IN DNSKEY ( 256 3 13 4g5YlQ8bvYoXwnKUBPIHG669Gx4+gtt8Py13seXudW0QZjPVjcRm5kbtpNZKiKA5ufX1wSrMG8L/ HMkToHiOgw== ) ; keytag 38063 polytechnique.edu. 3600 IN RRSIG ( DNSKEY 13 2 3600 20260821145217 20260807135217 27495 polytechnique.edu. xcBN399wR9QgfauajAzrzyAkQ35dS0nXBvJakCZOJHOLBkgyIrZMMbunTJL2sZnkLtU163ADz2bg qyHhb68wRQ== ) ;; 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 RMWgp0rK9EWd7oRkcLKULV+KvicVCqiKad7+eW5kZvzJ/z2OdegdmxDIUzQPO0JkAnBuLoN5Jgqj uwrPc8JDDg== ) ; keytag 14568`
	`polytechnique.edu. 3600 IN DNSKEY ( 257 3 13 1h8Ct06C3V8exoT73yBLWaH2vSLu7111TQKyFo8y1PvYRhC69M+/8ZikO/ndkpJXADZjbn9KCj1P Gqe0RmJ49g== ) ; keytag 27495`
	`polytechnique.edu. 3600 IN DNSKEY ( 256 3 13 4g5YlQ8bvYoXwnKUBPIHG669Gx4+gtt8Py13seXudW0QZjPVjcRm5kbtpNZKiKA5ufX1wSrMG8L/ HMkToHiOgw== ) ; keytag 38063`
	DNSKEY=27495/SEP is now in the chain-of-trust
	DS=27495/SHA-256 verifies DNSKEY=27495/SEP
	Found 1 RRSIGs over DNSKEY RRset
	`polytechnique.edu. 3600 IN RRSIG ( DNSKEY 13 2 3600 20260821145217 20260807135217 27495 polytechnique.edu. xcBN399wR9QgfauajAzrzyAkQ35dS0nXBvJakCZOJHOLBkgyIrZMMbunTJL2sZnkLtU163ADz2bg qyHhb68wRQ== )`
	RRSIG=27495 and DNSKEY=27495/SEP verifies the DNSKEY RRset
	DNSKEY=14568 is now in the chain-of-trust
	DNSKEY=38063 is now in the chain-of-trust
	Query to milou.polytechnique.fr for polytechnique.edu/A
	Received 175 bytes from 129.104.30.41
	;; Response received from [129.104.30.41] 175 octets ;; HEADER SECTION ;; id = 43638 ;; 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 A 129.104.30.29 polytechnique.edu. 3600 IN RRSIG ( A 13 2 3600 20260825130113 20260811124810 38063 polytechnique.edu. +G/qwJ5NqgT28UxkjvcbK0VPdrH4+YYvQi+yvNj9XV4khiKtGIs252bJ1JNhv73FfLYKYW0DlNwR bXwBSAkd2w== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	milou.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 = 16049 ;; 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 SOA ( milou.polytechnique.fr. hostmaster.polytechnique.fr. 2026071023 ;serial 86400 ;refresh 21600 ;retry 1209600 ;expire 3600 ;minimum ) polytechnique.edu. 3600 IN RRSIG ( SOA 13 2 3600 20260826181213 20260812171213 38063 polytechnique.edu. E+dIvo43ZbTA1Nxtr6bkWnNQ4RoDWbyPcAjXP0zlO+OAA+Z49MupRJFOClF+xdSKxiIIjjRIpVDz 0NkrZshrGA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to picaros.polytechnique.fr for polytechnique.edu/SOA
	Received 228 bytes from 129.104.7.41
	;; Response received from [129.104.7.41] 228 octets ;; HEADER SECTION ;; id = 38299 ;; 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 SOA ( milou.polytechnique.fr. hostmaster.polytechnique.fr. 2026071023 ;serial 86400 ;refresh 21600 ;retry 1209600 ;expire 3600 ;minimum ) polytechnique.edu. 3600 IN RRSIG ( SOA 13 2 3600 20260826181213 20260812171213 38063 polytechnique.edu. E+dIvo43ZbTA1Nxtr6bkWnNQ4RoDWbyPcAjXP0zlO+OAA+Z49MupRJFOClF+xdSKxiIIjjRIpVDz 0NkrZshrGA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to rackham.polytechnique.fr for polytechnique.edu/SOA
	Received 228 bytes from 129.104.32.41
	;; Response received from [129.104.32.41] 228 octets ;; HEADER SECTION ;; id = 8566 ;; 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 SOA ( milou.polytechnique.fr. hostmaster.polytechnique.fr. 2026071023 ;serial 86400 ;refresh 21600 ;retry 1209600 ;expire 3600 ;minimum ) polytechnique.edu. 3600 IN RRSIG ( SOA 13 2 3600 20260826181213 20260812171213 38063 polytechnique.edu. E+dIvo43ZbTA1Nxtr6bkWnNQ4RoDWbyPcAjXP0zlO+OAA+Z49MupRJFOClF+xdSKxiIIjjRIpVDz 0NkrZshrGA== ) ;; AUTHORITY SECTION (0 records) ;; 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 = 28029 ;; 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 SOA ( milou.polytechnique.fr. hostmaster.polytechnique.fr. 2026071023 ;serial 86400 ;refresh 21600 ;retry 1209600 ;expire 3600 ;minimum ) polytechnique.edu. 3600 IN RRSIG ( SOA 13 2 3600 20260826181213 20260812171213 38063 polytechnique.edu. E+dIvo43ZbTA1Nxtr6bkWnNQ4RoDWbyPcAjXP0zlO+OAA+Z49MupRJFOClF+xdSKxiIIjjRIpVDz 0NkrZshrGA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to milou.polytechnique.fr for polytechnique.edu/A
	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 20260825130113 20260811124810 38063 polytechnique.edu. +G/qwJ5NqgT28UxkjvcbK0VPdrH4+YYvQi+yvNj9XV4khiKtGIs252bJ1JNhv73FfLYKYW0DlNwR bXwBSAkd2w== )`
	RRSIG=38063 and DNSKEY=38063 verifies the A RRset

polytechnique.edu

	Query to picaros.polytechnique.fr for polytechnique.edu/A
	Received 175 bytes from 129.104.7.41
	;; Response received from [129.104.7.41] 175 octets ;; HEADER SECTION ;; id = 64840 ;; 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 A 129.104.30.29 polytechnique.edu. 3600 IN RRSIG ( A 13 2 3600 20260825130113 20260811124810 38063 polytechnique.edu. +G/qwJ5NqgT28UxkjvcbK0VPdrH4+YYvQi+yvNj9XV4khiKtGIs252bJ1JNhv73FfLYKYW0DlNwR bXwBSAkd2w== ) ;; AUTHORITY SECTION (0 records) ;; 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
	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 20260825130113 20260811124810 38063 polytechnique.edu. +G/qwJ5NqgT28UxkjvcbK0VPdrH4+YYvQi+yvNj9XV4khiKtGIs252bJ1JNhv73FfLYKYW0DlNwR bXwBSAkd2w== )`
	RRSIG=38063 and DNSKEY=38063 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 = 14849 ;; 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 20260825130113 20260811124810 38063 polytechnique.edu. +G/qwJ5NqgT28UxkjvcbK0VPdrH4+YYvQi+yvNj9XV4khiKtGIs252bJ1JNhv73FfLYKYW0DlNwR bXwBSAkd2w== ) 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
	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 20260825130113 20260811124810 38063 polytechnique.edu. +G/qwJ5NqgT28UxkjvcbK0VPdrH4+YYvQi+yvNj9XV4khiKtGIs252bJ1JNhv73FfLYKYW0DlNwR bXwBSAkd2w== )`
	RRSIG=38063 and DNSKEY=38063 verifies the A RRset

polytechnique.edu

	Query to rackham.polytechnique.fr for polytechnique.edu/A
	Received 175 bytes from 129.104.32.41
	;; Response received from [129.104.32.41] 175 octets ;; HEADER SECTION ;; id = 60504 ;; 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 A 129.104.30.29 polytechnique.edu. 3600 IN RRSIG ( A 13 2 3600 20260825130113 20260811124810 38063 polytechnique.edu. +G/qwJ5NqgT28UxkjvcbK0VPdrH4+YYvQi+yvNj9XV4khiKtGIs252bJ1JNhv73FfLYKYW0DlNwR bXwBSAkd2w== ) ;; AUTHORITY SECTION (0 records) ;; 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
	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 20260825130113 20260811124810 38063 polytechnique.edu. +G/qwJ5NqgT28UxkjvcbK0VPdrH4+YYvQi+yvNj9XV4khiKtGIs252bJ1JNhv73FfLYKYW0DlNwR bXwBSAkd2w== )`
	RRSIG=38063 and DNSKEY=38063 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 = 42731 ;; 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 A 129.104.30.29 polytechnique.edu. 3600 IN RRSIG ( A 13 2 3600 20260825130113 20260811124810 38063 polytechnique.edu. +G/qwJ5NqgT28UxkjvcbK0VPdrH4+YYvQi+yvNj9XV4khiKtGIs252bJ1JNhv73FfLYKYW0DlNwR bXwBSAkd2w== ) ;; 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
	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 20260825130113 20260811124810 38063 polytechnique.edu. +G/qwJ5NqgT28UxkjvcbK0VPdrH4+YYvQi+yvNj9XV4khiKtGIs252bJ1JNhv73FfLYKYW0DlNwR bXwBSAkd2w== )`
	RRSIG=38063 and DNSKEY=38063 verifies the A RRset

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