DNSSEC Debugger

Domain Name:

Time: 2025-01-20 18:04:00 UTC

Analyzing DNSSEC problems for epfl.ch

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

	Checking DS between Trust Anchor and .
	`. IN DS ( 20326 8 2 e06d44b80b8f1d39a95c0b0d7c65d08458e880409bbc683457104237c7f8ec8d )`
	Query to e.root-servers.net for ./DNSKEY
	Received 1139 bytes from 192.203.230.10
	;; Response received from [192.203.230.10] 1139 octets ;; HEADER SECTION ;; id = 11555 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 4 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1472, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; . IN DNSKEY ;; ANSWER SECTION (4 records) . 172800 IN DNSKEY ( 257 3 8 AwEAAaz/tAm8yTn4Mfeh5eyI96WSVexTBAvkMgJzkKTOiW1vkIbzxeF3+/4RgWOq7HrxRixHlFlE xOLAJr5emLvN7SWXgnLh4+B5xQlNVz8Og8kvArMtNROxVQuCaSnIDdD5LKyWbRd2n9WGe2R8PzgC mr3EgVLrjyBxWezF0jLHwVN8efS3rCj/EWgvIWgb9tarpVUDK/b58Da+sqqls3eNbuv7pr+eoZG+ SrDK6nWeL3c6H5Apxz7LjVc1uTIdsIXxuOLYA4/ilBmSVIzuDWfdRUfhHdY6+cn8HFRm+2hM8AnX GXws9555KrUB5qihylGa8subX2Nn6UwNR1AkUTV74bU= ) ; keytag 20326 . 172800 IN DNSKEY ( 256 3 8 AwEAAZ5A7jOztf62cGqhPhutjnyl7KBjIsjbyTb8il+FsgbMUbO2NQHaSbatHdlOlqANncDwSIKZ 9ryqd1+Dy1PoGzeTUv95vOJnVVJHlJu7xdavnUmPs+Mh2NV7hDlTTwPn5uXgFxAaxoO9M/YIAC92 GryCLjoJEg9JzeevkktEM/sFpmRv4I5jQtlLyRqVbnCzcWpi04XaVLxRKvURkd/Mdb/2RQS3MYvr kEBXuqtnAVBCf6Fx4sgBYOfYvbUuG2diLnGJW/MXvFpctZgQ76+3FwMqAZfR9k5bohL7AF3+jqz4 MUiootYoh5koyt7VEnUULxxy6U5PINTGgOC26f3zZuk= ) ; keytag 26470 . 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 20250201000000 20250111000000 20326 . SpcnGEovWE8yDo63HScxdtFPdjxN6o7rJqYbv6nUbCtLWN7xuA0wMWvKxQN8+2TdFlc5wK5HPfeh sqAh9gbJOa73IolbkT2osEZDH2AHj2qGqoyj/cmgSpP+pAdUqjGx5y4nQDZR5lRHlj3l6A7xoZHd aBwJHtIcVRhLtBFdtlBgYmn7yxAjFJiI0x84g0WfNPengnAPIlaoWlroVo/JJDtPML0/3doZT9FJ lA5a1dbhc4mFy2cBeyjIOkLJq5HZMBGLYQpEr3jNQ4UApD3KXcjuTc9mi7STYJCadbZFaA1EZoAP rciR4p/M61APbaNuC/4Te3/CIFuQbJ7PSPvX9Q== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 3 DNSKEY records for .
	`. 172800 IN DNSKEY ( 257 3 8 AwEAAaz/tAm8yTn4Mfeh5eyI96WSVexTBAvkMgJzkKTOiW1vkIbzxeF3+/4RgWOq7HrxRixHlFlE xOLAJr5emLvN7SWXgnLh4+B5xQlNVz8Og8kvArMtNROxVQuCaSnIDdD5LKyWbRd2n9WGe2R8PzgC mr3EgVLrjyBxWezF0jLHwVN8efS3rCj/EWgvIWgb9tarpVUDK/b58Da+sqqls3eNbuv7pr+eoZG+ SrDK6nWeL3c6H5Apxz7LjVc1uTIdsIXxuOLYA4/ilBmSVIzuDWfdRUfhHdY6+cn8HFRm+2hM8AnX GXws9555KrUB5qihylGa8subX2Nn6UwNR1AkUTV74bU= ) ; keytag 20326`
	`. 172800 IN DNSKEY ( 256 3 8 AwEAAZ5A7jOztf62cGqhPhutjnyl7KBjIsjbyTb8il+FsgbMUbO2NQHaSbatHdlOlqANncDwSIKZ 9ryqd1+Dy1PoGzeTUv95vOJnVVJHlJu7xdavnUmPs+Mh2NV7hDlTTwPn5uXgFxAaxoO9M/YIAC92 GryCLjoJEg9JzeevkktEM/sFpmRv4I5jQtlLyRqVbnCzcWpi04XaVLxRKvURkd/Mdb/2RQS3MYvr kEBXuqtnAVBCf6Fx4sgBYOfYvbUuG2diLnGJW/MXvFpctZgQ76+3FwMqAZfR9k5bohL7AF3+jqz4 MUiootYoh5koyt7VEnUULxxy6U5PINTGgOC26f3zZuk= ) ; keytag 26470`
	`. 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 20250201000000 20250111000000 20326 . SpcnGEovWE8yDo63HScxdtFPdjxN6o7rJqYbv6nUbCtLWN7xuA0wMWvKxQN8+2TdFlc5wK5HPfeh sqAh9gbJOa73IolbkT2osEZDH2AHj2qGqoyj/cmgSpP+pAdUqjGx5y4nQDZR5lRHlj3l6A7xoZHd aBwJHtIcVRhLtBFdtlBgYmn7yxAjFJiI0x84g0WfNPengnAPIlaoWlroVo/JJDtPML0/3doZT9FJ lA5a1dbhc4mFy2cBeyjIOkLJq5HZMBGLYQpEr3jNQ4UApD3KXcjuTc9mi7STYJCadbZFaA1EZoAP rciR4p/M61APbaNuC/4Te3/CIFuQbJ7PSPvX9Q== )`
	RRSIG=20326 and DNSKEY=20326/SEP verifies the DNSKEY RRset
	DNSKEY=26470 is now in the chain-of-trust
	DNSKEY=38696/SEP is now in the chain-of-trust
	Query to k.root-servers.net for epfl.ch/A
	Received 675 bytes from 193.0.14.129
	;; Response received from [193.0.14.129] 675 octets ;; HEADER SECTION ;; id = 35493 ;; 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 = 11 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; epfl.ch. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (7 records) ch. 172800 IN NS a.nic.ch. ch. 172800 IN NS b.nic.ch. ch. 172800 IN NS d.nic.ch. ch. 172800 IN NS e.nic.ch. ch. 172800 IN NS f.nic.ch. ch. 86400 IN DS ( 14051 13 2 abf0b9c56282f0558d59b5eef0f881b7db4f39043972411fdb06e66593a9e8b1 ) ch. 86400 IN RRSIG ( DS 8 1 86400 20250202050000 20250120040000 26470 . XHFERfBXnwWkfohdPKfJtfso94UmYpuy2IFyx5wgx4JHcOkDsv8I1n6qDkUtl2giM5veS942yfFs 1wIXjD0RHaoxcg1Nl/eGrnGoYfomDrN0cmX7fE4uOIeo/oziTrkPiCQAUGLM8C+nVGXRaTsAwjim 9/FTUTsFMH3ruc0A0gcjEBg30oTPJx3ljtuG0N6a6+XR38AzfBKU0v2KRZtsEeaMm5z9FECRUFbx f7QtcpP3i7A7BqwjUvDYVsp16XGATQw5Y96297vCIke9E7eZCiaOHDMGfMstYGib1KVwUiFQWTIQ K2yyuiHy7vZYcFkVW2c/6gGwqNkCnX6/lbtxUw== ) ;; ADDITIONAL SECTION (11 records) a.nic.ch. 172800 IN A 130.59.31.41 a.nic.ch. 172800 IN AAAA 2001:620:0:ff::56 b.nic.ch. 172800 IN A 130.59.31.43 b.nic.ch. 172800 IN AAAA 2001:620:0:ff::58 d.nic.ch. 172800 IN A 194.0.25.39 d.nic.ch. 172800 IN AAAA 2001:678:20::39 e.nic.ch. 172800 IN A 194.0.17.1 e.nic.ch. 172800 IN AAAA 2001:678:3::1 f.nic.ch. 172800 IN A 194.146.106.10 f.nic.ch. 172800 IN AAAA 2001:67c:1010:2::53 ;; { "EDNS-VERSION": 0 }
	Query to a.root-servers.net for ch/DNSKEY
	Received 670 bytes from 198.41.0.4
	;; Response received from [198.41.0.4] 670 octets ;; HEADER SECTION ;; id = 53443 ;; 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 = 11 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; ch. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (7 records) ch. 172800 IN NS b.nic.ch. ch. 172800 IN NS e.nic.ch. ch. 172800 IN NS a.nic.ch. ch. 172800 IN NS d.nic.ch. ch. 172800 IN NS f.nic.ch. ch. 86400 IN DS ( 14051 13 2 abf0b9c56282f0558d59b5eef0f881b7db4f39043972411fdb06e66593a9e8b1 ) ch. 86400 IN RRSIG ( DS 8 1 86400 20250202050000 20250120040000 26470 . XHFERfBXnwWkfohdPKfJtfso94UmYpuy2IFyx5wgx4JHcOkDsv8I1n6qDkUtl2giM5veS942yfFs 1wIXjD0RHaoxcg1Nl/eGrnGoYfomDrN0cmX7fE4uOIeo/oziTrkPiCQAUGLM8C+nVGXRaTsAwjim 9/FTUTsFMH3ruc0A0gcjEBg30oTPJx3ljtuG0N6a6+XR38AzfBKU0v2KRZtsEeaMm5z9FECRUFbx f7QtcpP3i7A7BqwjUvDYVsp16XGATQw5Y96297vCIke9E7eZCiaOHDMGfMstYGib1KVwUiFQWTIQ K2yyuiHy7vZYcFkVW2c/6gGwqNkCnX6/lbtxUw== ) ;; ADDITIONAL SECTION (11 records) b.nic.ch. 172800 IN A 130.59.31.43 b.nic.ch. 172800 IN AAAA 2001:620:0:ff::58 e.nic.ch. 172800 IN A 194.0.17.1 e.nic.ch. 172800 IN AAAA 2001:678:3::1 a.nic.ch. 172800 IN A 130.59.31.41 a.nic.ch. 172800 IN AAAA 2001:620:0:ff::56 d.nic.ch. 172800 IN A 194.0.25.39 d.nic.ch. 172800 IN AAAA 2001:678:20::39 f.nic.ch. 172800 IN A 194.146.106.10 f.nic.ch. 172800 IN AAAA 2001:67c:1010:2::53 ;; { "EDNS-VERSION": 0 }
	Found child zone ch

	Checking DS between . and ch
	Query to b.root-servers.net for ch/DS
	Received 366 bytes from 170.247.170.2
	;; Response received from [170.247.170.2] 366 octets ;; HEADER SECTION ;; id = 53440 ;; 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) ;; ch. IN DS ;; ANSWER SECTION (2 records) ch. 86400 IN DS ( 14051 13 2 abf0b9c56282f0558d59b5eef0f881b7db4f39043972411fdb06e66593a9e8b1 ) ch. 86400 IN RRSIG ( DS 8 1 86400 20250202050000 20250120040000 26470 . XHFERfBXnwWkfohdPKfJtfso94UmYpuy2IFyx5wgx4JHcOkDsv8I1n6qDkUtl2giM5veS942yfFs 1wIXjD0RHaoxcg1Nl/eGrnGoYfomDrN0cmX7fE4uOIeo/oziTrkPiCQAUGLM8C+nVGXRaTsAwjim 9/FTUTsFMH3ruc0A0gcjEBg30oTPJx3ljtuG0N6a6+XR38AzfBKU0v2KRZtsEeaMm5z9FECRUFbx f7QtcpP3i7A7BqwjUvDYVsp16XGATQw5Y96297vCIke9E7eZCiaOHDMGfMstYGib1KVwUiFQWTIQ K2yyuiHy7vZYcFkVW2c/6gGwqNkCnX6/lbtxUw== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 1 DS records for ch in the . zone
	DS=14051/SHA-256 has algorithm ECDSAP256SHA256
	Found 1 RRSIGs over DS RRset
	`ch. 86400 IN RRSIG ( DS 8 1 86400 20250202050000 20250120040000 26470 . XHFERfBXnwWkfohdPKfJtfso94UmYpuy2IFyx5wgx4JHcOkDsv8I1n6qDkUtl2giM5veS942yfFs 1wIXjD0RHaoxcg1Nl/eGrnGoYfomDrN0cmX7fE4uOIeo/oziTrkPiCQAUGLM8C+nVGXRaTsAwjim 9/FTUTsFMH3ruc0A0gcjEBg30oTPJx3ljtuG0N6a6+XR38AzfBKU0v2KRZtsEeaMm5z9FECRUFbx f7QtcpP3i7A7BqwjUvDYVsp16XGATQw5Y96297vCIke9E7eZCiaOHDMGfMstYGib1KVwUiFQWTIQ K2yyuiHy7vZYcFkVW2c/6gGwqNkCnX6/lbtxUw== )`
	RRSIG=26470 and DNSKEY=26470 verifies the DS RRset
	DS=14051/SHA-256 is now in the chain-of-trust
	`ch. 86400 IN DS ( 14051 13 2 abf0b9c56282f0558d59b5eef0f881b7db4f39043972411fdb06e66593a9e8b1 )`
	Query to e.nic.ch for ch/DNSKEY
	Received 369 bytes from 194.0.17.1
	;; Response received from [194.0.17.1] 369 octets ;; HEADER SECTION ;; id = 29915 ;; 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) ;; ch. IN DNSKEY ;; ANSWER SECTION (4 records) ch. 86400 IN DNSKEY ( 257 3 13 z6UllGdnGdbzYkhjl1gHlJ9gm/cSid3z1J41nkpm2pzSexfPaugDCstdx4z/hVlRPv007RQOuD12 qpOrKGfPog== ) ; keytag 14051 ch. 86400 IN DNSKEY ( 256 3 13 0XMKbog56Igo1KR5o0aaWGguhpkE+BfuGGln9WHDnXly7CREt2DSFA2U8VH1uXXhbrN3jOhUFBG7 v/cmUzmE2g== ) ; keytag 57263 ch. 86400 IN DNSKEY ( 256 3 13 aTYvFcgZLfANTy7lKb8dWezgXG9MaQw6Qjhk51327AE8+4FFF/w40DqKwDYnnOLMGMwX1hT8QE/5 CJ4/Xj9Ugw== ) ; keytag 36074 ch. 86400 IN RRSIG ( DNSKEY 13 1 86400 20250305100909 20250118090909 14051 ch. Dne3Ycv6pNbnlJrSwcIShHcMwScIcnuYaEDsmnqzMecq2vXt2XfTv0TxOskFqqC5g0ksJR7ZykY8 veciirCxRw== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 3 DNSKEY records for ch
	`ch. 86400 IN DNSKEY ( 257 3 13 z6UllGdnGdbzYkhjl1gHlJ9gm/cSid3z1J41nkpm2pzSexfPaugDCstdx4z/hVlRPv007RQOuD12 qpOrKGfPog== ) ; keytag 14051`
	`ch. 86400 IN DNSKEY ( 256 3 13 0XMKbog56Igo1KR5o0aaWGguhpkE+BfuGGln9WHDnXly7CREt2DSFA2U8VH1uXXhbrN3jOhUFBG7 v/cmUzmE2g== ) ; keytag 57263`
	`ch. 86400 IN DNSKEY ( 256 3 13 aTYvFcgZLfANTy7lKb8dWezgXG9MaQw6Qjhk51327AE8+4FFF/w40DqKwDYnnOLMGMwX1hT8QE/5 CJ4/Xj9Ugw== ) ; keytag 36074`
	DNSKEY=14051/SEP is now in the chain-of-trust
	DS=14051/SHA-256 verifies DNSKEY=14051/SEP
	Found 1 RRSIGs over DNSKEY RRset
	`ch. 86400 IN RRSIG ( DNSKEY 13 1 86400 20250305100909 20250118090909 14051 ch. Dne3Ycv6pNbnlJrSwcIShHcMwScIcnuYaEDsmnqzMecq2vXt2XfTv0TxOskFqqC5g0ksJR7ZykY8 veciirCxRw== )`
	RRSIG=14051 and DNSKEY=14051/SEP verifies the DNSKEY RRset
	DNSKEY=57263 is now in the chain-of-trust
	DNSKEY=36074 is now in the chain-of-trust
	Query to e.nic.ch for epfl.ch/A
	Received 302 bytes from 194.0.17.1
	;; Response received from [194.0.17.1] 302 octets ;; HEADER SECTION ;; id = 3057 ;; 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 = 4 arcount = 5 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; epfl.ch. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (4 records) epfl.ch. 3600 IN NS stisun1.epfl.ch. epfl.ch. 3600 IN NS stisun2.epfl.ch. epfl.ch. 900 IN NSEC epfl-africa.ch. NS RRSIG NSEC epfl.ch. 900 IN RRSIG ( NSEC 13 2 900 20250211012813 20250113043001 57263 ch. Ow9iFC3B9hkVeIFrUV0PP6A56fY+K4azcUaV2Kz9nsmmQqt0tbbIB2eC74PUC+B+N4tVzcv3wZjI TWemoIzfUQ== ) ;; ADDITIONAL SECTION (5 records) stisun2.epfl.ch. 3600 IN A 128.178.15.7 stisun1.epfl.ch. 3600 IN A 128.178.15.8 stisun2.epfl.ch. 3600 IN AAAA 2001:620:618:10f:1:80b2:f07:1 stisun1.epfl.ch. 3600 IN AAAA 2001:620:618:10f:1:80b2:f08:1 ;; { "EDNS-VERSION": 0 }
	Query to d.nic.ch for epfl.ch/DNSKEY
	Received 302 bytes from 194.0.25.39
	;; Response received from [194.0.25.39] 302 octets ;; HEADER SECTION ;; id = 34552 ;; 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 = 4 arcount = 5 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1400, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; epfl.ch. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (4 records) epfl.ch. 3600 IN NS stisun1.epfl.ch. epfl.ch. 3600 IN NS stisun2.epfl.ch. epfl.ch. 900 IN NSEC epfl-africa.ch. NS RRSIG NSEC epfl.ch. 900 IN RRSIG ( NSEC 13 2 900 20250211012813 20250113043001 57263 ch. Ow9iFC3B9hkVeIFrUV0PP6A56fY+K4azcUaV2Kz9nsmmQqt0tbbIB2eC74PUC+B+N4tVzcv3wZjI TWemoIzfUQ== ) ;; ADDITIONAL SECTION (5 records) stisun1.epfl.ch. 3600 IN A 128.178.15.8 stisun2.epfl.ch. 3600 IN A 128.178.15.7 stisun1.epfl.ch. 3600 IN AAAA 2001:620:618:10f:1:80b2:f08:1 stisun2.epfl.ch. 3600 IN AAAA 2001:620:618:10f:1:80b2:f07:1 ;; { "EDNS-VERSION": 0 }
	Found child zone epfl.ch

epfl.ch

	Checking DS between ch and epfl.ch
	Query to f.nic.ch for epfl.ch/DS
	Received 335 bytes from 194.146.106.10
	;; Response received from [194.146.106.10] 335 octets ;; HEADER SECTION ;; id = 28448 ;; 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 = 0 ;; nscount = 4 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; epfl.ch. IN DS ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (4 records) ch. 900 IN SOA ( a.nic.ch. dns-operation.switch.ch. 2025012019 ;serial 900 ;refresh 600 ;retry 1209600 ;expire 900 ;minimum ) ch. 900 IN RRSIG ( SOA 13 1 900 20250219165756 20250120160151 57263 ch. iD4QFOb2RhS2VbBGkhZuuCKm8v6tnbFcNmdBT7yeG9jAc2Z9scLi0UDiqyUXXnL+nbCC2TsnGtGH sUhTDlN42Q== ) epfl.ch. 900 IN NSEC epfl-africa.ch. NS RRSIG NSEC epfl.ch. 900 IN RRSIG ( NSEC 13 2 900 20250211012813 20250113043001 57263 ch. Ow9iFC3B9hkVeIFrUV0PP6A56fY+K4azcUaV2Kz9nsmmQqt0tbbIB2eC74PUC+B+N4tVzcv3wZjI TWemoIzfUQ== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	No DS records found for epfl.ch in the ch zone
	Query to stisun2.epfl.ch for epfl.ch/DNSKEY
	Received 90 bytes from 128.178.15.7
	;; Response received from [128.178.15.7] 90 octets ;; HEADER SECTION ;; id = 28178 ;; 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 = 0 ;; nscount = 1 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; epfl.ch. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (1 record) epfl.ch. 3600 IN SOA ( stisun1.epfl.ch. dnsmaster.epfl.ch. 79478231 ;serial 900 ;refresh 450 ;retry 3600000 ;expire 3600 ;minimum ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	No DNSKEY records found
	Query to stisun2.epfl.ch for epfl.ch/A
	Received 184 bytes from 128.178.15.7
	;; Response received from [128.178.15.7] 184 octets ;; HEADER SECTION ;; id = 52392 ;; 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 = 1 ;; nscount = 2 arcount = 5 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; epfl.ch. IN A ;; ANSWER SECTION (1 record) epfl.ch. 86400 IN A 128.178.222.83 ;; AUTHORITY SECTION (2 records) epfl.ch. 86400 IN NS stisun2.epfl.ch. epfl.ch. 86400 IN NS stisun1.epfl.ch. ;; ADDITIONAL SECTION (5 records) stisun1.epfl.ch. 86400 IN A 128.178.15.8 stisun2.epfl.ch. 86400 IN A 128.178.15.7 stisun1.epfl.ch. 86400 IN AAAA 2001:620:618:10f:1:80b2:f08:1 stisun2.epfl.ch. 86400 IN AAAA 2001:620:618:10f:1:80b2:f07:1 ;; { "EDNS-VERSION": 0 }
	stisun2.epfl.ch is authoritative for epfl.ch
	Query to stisun1.epfl.ch for epfl.ch/SOA
	Received 214 bytes from 128.178.15.8
	;; Response received from [128.178.15.8] 214 octets ;; HEADER SECTION ;; id = 41925 ;; 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 = 1 ;; nscount = 2 arcount = 5 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; epfl.ch. IN SOA ;; ANSWER SECTION (1 record) epfl.ch. 86400 IN SOA ( stisun1.epfl.ch. dnsmaster.epfl.ch. 79478231 ;serial 900 ;refresh 450 ;retry 3600000 ;expire 3600 ;minimum ) ;; AUTHORITY SECTION (2 records) epfl.ch. 86400 IN NS stisun1.epfl.ch. epfl.ch. 86400 IN NS stisun2.epfl.ch. ;; ADDITIONAL SECTION (5 records) stisun1.epfl.ch. 86400 IN A 128.178.15.8 stisun2.epfl.ch. 86400 IN A 128.178.15.7 stisun1.epfl.ch. 86400 IN AAAA 2001:620:618:10f:1:80b2:f08:1 stisun2.epfl.ch. 86400 IN AAAA 2001:620:618:10f:1:80b2:f07:1 ;; { "EDNS-VERSION": 0 }
	Query to stisun2.epfl.ch for epfl.ch/A
	Received 184 bytes from 128.178.15.7
	;; Response received from [128.178.15.7] 184 octets ;; HEADER SECTION ;; id = 55870 ;; 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 = 1 ;; nscount = 2 arcount = 5 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; epfl.ch. IN A ;; ANSWER SECTION (1 record) epfl.ch. 86400 IN A 128.178.222.83 ;; AUTHORITY SECTION (2 records) epfl.ch. 86400 IN NS stisun2.epfl.ch. epfl.ch. 86400 IN NS stisun1.epfl.ch. ;; ADDITIONAL SECTION (5 records) stisun1.epfl.ch. 86400 IN A 128.178.15.8 stisun2.epfl.ch. 86400 IN A 128.178.15.7 stisun1.epfl.ch. 86400 IN AAAA 2001:620:618:10f:1:80b2:f08:1 stisun2.epfl.ch. 86400 IN AAAA 2001:620:618:10f:1:80b2:f07:1 ;; { "EDNS-VERSION": 0 }
	epfl.ch A RR has value 128.178.222.83
	No RRSIGs found

epfl.ch

	Query to stisun1.epfl.ch for epfl.ch/A
	Received 184 bytes from 128.178.15.8
	;; Response received from [128.178.15.8] 184 octets ;; HEADER SECTION ;; id = 31642 ;; 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 = 1 ;; nscount = 2 arcount = 5 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; epfl.ch. IN A ;; ANSWER SECTION (1 record) epfl.ch. 86400 IN A 128.178.222.83 ;; AUTHORITY SECTION (2 records) epfl.ch. 86400 IN NS stisun1.epfl.ch. epfl.ch. 86400 IN NS stisun2.epfl.ch. ;; ADDITIONAL SECTION (5 records) stisun1.epfl.ch. 86400 IN A 128.178.15.8 stisun2.epfl.ch. 86400 IN A 128.178.15.7 stisun1.epfl.ch. 86400 IN AAAA 2001:620:618:10f:1:80b2:f08:1 stisun2.epfl.ch. 86400 IN AAAA 2001:620:618:10f:1:80b2:f07:1 ;; { "EDNS-VERSION": 0 }
	stisun1.epfl.ch is authoritative for epfl.ch
	Query to stisun1.epfl.ch for epfl.ch/A
	Received 184 bytes from 128.178.15.8
	;; Response received from [128.178.15.8] 184 octets ;; HEADER SECTION ;; id = 19615 ;; 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 = 1 ;; nscount = 2 arcount = 5 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; epfl.ch. IN A ;; ANSWER SECTION (1 record) epfl.ch. 86400 IN A 128.178.222.83 ;; AUTHORITY SECTION (2 records) epfl.ch. 86400 IN NS stisun2.epfl.ch. epfl.ch. 86400 IN NS stisun1.epfl.ch. ;; ADDITIONAL SECTION (5 records) stisun1.epfl.ch. 86400 IN A 128.178.15.8 stisun2.epfl.ch. 86400 IN A 128.178.15.7 stisun1.epfl.ch. 86400 IN AAAA 2001:620:618:10f:1:80b2:f08:1 stisun2.epfl.ch. 86400 IN AAAA 2001:620:618:10f:1:80b2:f07:1 ;; { "EDNS-VERSION": 0 }
	epfl.ch A RR has value 128.178.222.83
	No RRSIGs found

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