DNSSEC Debugger

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Time: 2026-07-30 04:54:47 UTC

Analyzing DNSSEC problems for epfl.ch

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 d.root-servers.net for ./DNSKEY
	Received 1139 bytes from 199.7.91.13
	;; Response received from [199.7.91.13] 1139 octets ;; HEADER SECTION ;; id = 61848 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 4 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1450, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; . IN DNSKEY ;; ANSWER SECTION (4 records) . 172800 IN DNSKEY ( 256 3 8 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 20260811000000 20260721000000 20326 . KRNkneCiUAW/3xsn8/6VDpfjYsXUrh19hqxVi2TRYnqbNa9N/fwN0Z/JgTGfigaY6KKSFgTZGZsi ilMiPVdHOirETIVs37XWU6L+dskCttC2rHUShOxnf0lLzy2rFJbolkd3aB5FpbprKmURCyeW/Na/ wtrSCo1kArBAIOGZLHNvDOVKL/MDIAkZJQ6EbfLxY8wkd4Rp93T5sAUyBaSlRpkqDyujUuz/0lCB eApRp0wMGQGC5+3//rdv16be3O5+oi124vJqlskvDw/jIsq3GY2jNjnWBwu7bFeOWHahBsZNROj0 fKTkCYgtWKZfwFp0bwc20chK6hHxPskKEB+AFw== ) ;; 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 20260811000000 20260721000000 20326 . KRNkneCiUAW/3xsn8/6VDpfjYsXUrh19hqxVi2TRYnqbNa9N/fwN0Z/JgTGfigaY6KKSFgTZGZsi ilMiPVdHOirETIVs37XWU6L+dskCttC2rHUShOxnf0lLzy2rFJbolkd3aB5FpbprKmURCyeW/Na/ wtrSCo1kArBAIOGZLHNvDOVKL/MDIAkZJQ6EbfLxY8wkd4Rp93T5sAUyBaSlRpkqDyujUuz/0lCB eApRp0wMGQGC5+3//rdv16be3O5+oi124vJqlskvDw/jIsq3GY2jNjnWBwu7bFeOWHahBsZNROj0 fKTkCYgtWKZfwFp0bwc20chK6hHxPskKEB+AFw== )`
	RRSIG=20326 and DNSKEY=20326/SEP verifies the DNSKEY RRset
	DNSKEY=57780 is now in the chain-of-trust
	Query to e.root-servers.net for epfl.ch/A
	Received 675 bytes from 192.203.230.10
	;; Response received from [192.203.230.10] 675 octets ;; HEADER SECTION ;; id = 35922 ;; 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": 1472, ;; "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 ( 58745 13 2 083ed7735a6aad21d51cb0af5c485055602b392435e92b2c13614a6bc8d46b92 ) ch. 86400 IN RRSIG ( DS 8 1 86400 20260811170000 20260729160000 57780 . GWLWJIENUmRPw7+bYcplSOzBAI9QV6re3kENJjMOkjhkVw5ctGzuX+/x8g/N7l6b0cKiwNDrVc4j AyndaY1Y39TJF/g3zee2tjiq3rn66L5O3RVLwZIDsm4nr1vvyl5S7vz6tnXVtfjegtkDg/YEnGi/ AtLM3JlyxNFaAV2SBtNUoGc+EGagz7VQuo9ESJltVduCvGH0icjdU33KwZPskko3QA9GTQ3bkPKh +djMFo5aMWx0in1iDAq6ITt1YQh+zeqj56V89iyiaiSFfndUX95F/WchvcCfoXm3bFQzC8AzjEtN 8KUYGjsLMc7RRCq3GsMDfCo1m6vQCsChf6d9Qg== ) ;; 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 b.root-servers.net for ch/DNSKEY
	Received 670 bytes from 170.247.170.2
	;; Response received from [170.247.170.2] 670 octets ;; HEADER SECTION ;; id = 36917 ;; 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) ;; ch. IN DNSKEY ;; 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 ( 58745 13 2 083ed7735a6aad21d51cb0af5c485055602b392435e92b2c13614a6bc8d46b92 ) ch. 86400 IN RRSIG ( DS 8 1 86400 20260811170000 20260729160000 57780 . GWLWJIENUmRPw7+bYcplSOzBAI9QV6re3kENJjMOkjhkVw5ctGzuX+/x8g/N7l6b0cKiwNDrVc4j AyndaY1Y39TJF/g3zee2tjiq3rn66L5O3RVLwZIDsm4nr1vvyl5S7vz6tnXVtfjegtkDg/YEnGi/ AtLM3JlyxNFaAV2SBtNUoGc+EGagz7VQuo9ESJltVduCvGH0icjdU33KwZPskko3QA9GTQ3bkPKh +djMFo5aMWx0in1iDAq6ITt1YQh+zeqj56V89iyiaiSFfndUX95F/WchvcCfoXm3bFQzC8AzjEtN 8KUYGjsLMc7RRCq3GsMDfCo1m6vQCsChf6d9Qg== ) ;; 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 }
	Found child zone ch

	Checking DS between . and ch
	Query to h.root-servers.net for ch/DS
	Received 366 bytes from 198.97.190.53
	;; Response received from [198.97.190.53] 366 octets ;; HEADER SECTION ;; id = 29807 ;; 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 ( 58745 13 2 083ed7735a6aad21d51cb0af5c485055602b392435e92b2c13614a6bc8d46b92 ) ch. 86400 IN RRSIG ( DS 8 1 86400 20260811170000 20260729160000 57780 . GWLWJIENUmRPw7+bYcplSOzBAI9QV6re3kENJjMOkjhkVw5ctGzuX+/x8g/N7l6b0cKiwNDrVc4j AyndaY1Y39TJF/g3zee2tjiq3rn66L5O3RVLwZIDsm4nr1vvyl5S7vz6tnXVtfjegtkDg/YEnGi/ AtLM3JlyxNFaAV2SBtNUoGc+EGagz7VQuo9ESJltVduCvGH0icjdU33KwZPskko3QA9GTQ3bkPKh +djMFo5aMWx0in1iDAq6ITt1YQh+zeqj56V89iyiaiSFfndUX95F/WchvcCfoXm3bFQzC8AzjEtN 8KUYGjsLMc7RRCq3GsMDfCo1m6vQCsChf6d9Qg== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 1 DS records for ch in the . zone
	DS=58745/SHA-256 has algorithm ECDSAP256SHA256
	Found 1 RRSIGs over DS RRset
	`ch. 86400 IN RRSIG ( DS 8 1 86400 20260811170000 20260729160000 57780 . GWLWJIENUmRPw7+bYcplSOzBAI9QV6re3kENJjMOkjhkVw5ctGzuX+/x8g/N7l6b0cKiwNDrVc4j AyndaY1Y39TJF/g3zee2tjiq3rn66L5O3RVLwZIDsm4nr1vvyl5S7vz6tnXVtfjegtkDg/YEnGi/ AtLM3JlyxNFaAV2SBtNUoGc+EGagz7VQuo9ESJltVduCvGH0icjdU33KwZPskko3QA9GTQ3bkPKh +djMFo5aMWx0in1iDAq6ITt1YQh+zeqj56V89iyiaiSFfndUX95F/WchvcCfoXm3bFQzC8AzjEtN 8KUYGjsLMc7RRCq3GsMDfCo1m6vQCsChf6d9Qg== )`
	RRSIG=57780 and DNSKEY=57780 verifies the DS RRset
	DS=58745/SHA-256 is now in the chain-of-trust
	`ch. 86400 IN DS ( 58745 13 2 083ed7735a6aad21d51cb0af5c485055602b392435e92b2c13614a6bc8d46b92 )`
	Query to d.nic.ch for ch/DNSKEY
	Received 369 bytes from 194.0.25.39
	;; Response received from [194.0.25.39] 369 octets ;; HEADER SECTION ;; id = 19732 ;; 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": 1400, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; ch. IN DNSKEY ;; ANSWER SECTION (4 records) ch. 86400 IN DNSKEY ( 256 3 13 M2is3u8XiBhISilZiytCrccGvbYPcfqWIZ6f0LzchYZf74SjC+6tSqWRnowm73VwDKOvfWLrsCec iIKQO9m0UQ== ) ; keytag 35417 ch. 86400 IN DNSKEY ( 257 3 13 af3VgrsVYa6Jm3d1lwsoCAEqQbeNpLUJ5kHjkUksCCPvubXuPEwTJGDUUbw9QRJtm6lBIAjbjtAc cGemAgcyZQ== ) ; keytag 58745 ch. 86400 IN DNSKEY ( 256 3 13 nLxT92OT8wBSOb9Sym2GuZ5GMkIKFnxGLLzbRfGOhHExqmhOtgct9Vx16bMDzT57vDBEYwjHEHEM CfXpU6vFNQ== ) ; keytag 48631 ch. 86400 IN RRSIG ( DNSKEY 13 1 86400 20260827100909 20260712090909 58745 ch. +TiV0kW5EQGJ1v8eoeF75A9cWLGU2SAzkv8CKZX0lzsH/NI3MVDqcONR2DAXjIHw8GcJUnLFTvW/ ZVdi7zmnQw== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 3 DNSKEY records for ch
	`ch. 86400 IN DNSKEY ( 256 3 13 M2is3u8XiBhISilZiytCrccGvbYPcfqWIZ6f0LzchYZf74SjC+6tSqWRnowm73VwDKOvfWLrsCec iIKQO9m0UQ== ) ; keytag 35417`
	`ch. 86400 IN DNSKEY ( 257 3 13 af3VgrsVYa6Jm3d1lwsoCAEqQbeNpLUJ5kHjkUksCCPvubXuPEwTJGDUUbw9QRJtm6lBIAjbjtAc cGemAgcyZQ== ) ; keytag 58745`
	`ch. 86400 IN DNSKEY ( 256 3 13 nLxT92OT8wBSOb9Sym2GuZ5GMkIKFnxGLLzbRfGOhHExqmhOtgct9Vx16bMDzT57vDBEYwjHEHEM CfXpU6vFNQ== ) ; keytag 48631`
	DNSKEY=58745/SEP is now in the chain-of-trust
	DS=58745/SHA-256 verifies DNSKEY=58745/SEP
	Found 1 RRSIGs over DNSKEY RRset
	`ch. 86400 IN RRSIG ( DNSKEY 13 1 86400 20260827100909 20260712090909 58745 ch. +TiV0kW5EQGJ1v8eoeF75A9cWLGU2SAzkv8CKZX0lzsH/NI3MVDqcONR2DAXjIHw8GcJUnLFTvW/ ZVdi7zmnQw== )`
	RRSIG=58745 and DNSKEY=58745/SEP verifies the DNSKEY RRset
	DNSKEY=35417 is now in the chain-of-trust
	DNSKEY=48631 is now in the chain-of-trust
	Query to d.nic.ch for epfl.ch/A
	Received 380 bytes from 194.0.25.39
	;; Response received from [194.0.25.39] 380 octets ;; HEADER SECTION ;; id = 42371 ;; 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 = 5 arcount = 7 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1400, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; epfl.ch. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (5 records) epfl.ch. 3600 IN NS scsnms.switch.ch. epfl.ch. 3600 IN NS stisun1.epfl.ch. epfl.ch. 3600 IN NS stisun2.epfl.ch. epfl.ch. 900 IN NSEC epfl-architecture.ch. NS RRSIG NSEC epfl.ch. 900 IN RRSIG ( NSEC 13 2 900 20260815184913 20260716180217 35417 ch. intsUsJgf9TN2fvoZe9mHAPAwSRcoQ/uQAcbgASkJ1rvlIS8lYHqgDi1NSbU62iv8HVaMVt7mgrM 2PWAg4QkCQ== ) ;; ADDITIONAL SECTION (7 records) scsnms.switch.ch. 3600 IN A 130.59.31.26 stisun1.epfl.ch. 3600 IN A 128.178.15.8 stisun2.epfl.ch. 3600 IN A 128.178.15.7 scsnms.switch.ch. 3600 IN AAAA 2001:620:0:ff::a7 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 }
	Query to a.nic.ch for epfl.ch/DNSKEY
	Received 380 bytes from 130.59.31.41
	;; Response received from [130.59.31.41] 380 octets ;; HEADER SECTION ;; id = 30498 ;; 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 = 5 arcount = 7 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; epfl.ch. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (5 records) epfl.ch. 3600 IN NS stisun2.epfl.ch. epfl.ch. 3600 IN NS scsnms.switch.ch. epfl.ch. 3600 IN NS stisun1.epfl.ch. epfl.ch. 900 IN NSEC epfl-architecture.ch. NS RRSIG NSEC epfl.ch. 900 IN RRSIG ( NSEC 13 2 900 20260815184913 20260716180217 35417 ch. intsUsJgf9TN2fvoZe9mHAPAwSRcoQ/uQAcbgASkJ1rvlIS8lYHqgDi1NSbU62iv8HVaMVt7mgrM 2PWAg4QkCQ== ) ;; ADDITIONAL SECTION (7 records) stisun1.epfl.ch. 3600 IN A 128.178.15.8 stisun2.epfl.ch. 3600 IN A 128.178.15.7 scsnms.switch.ch. 3600 IN A 130.59.31.26 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 scsnms.switch.ch. 3600 IN AAAA 2001:620:0:ff::a7 ;; { "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 337 bytes from 194.146.106.10
	;; Response received from [194.146.106.10] 337 octets ;; HEADER SECTION ;; id = 55507 ;; 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. 2026073013 ;serial 900 ;refresh 600 ;retry 1209600 ;expire 900 ;minimum ) ch. 900 IN RRSIG ( SOA 13 1 900 20260829043022 20260730033205 35417 ch. JIaFaC6dqnMRf0shNIx0JwieDDq+pFZ6u8PaR/ViZ65Pm+vfwoPTMU1GWYB6MOan5tqonNqd8q0K mKn3kcwZPQ== ) epfl.ch. 900 IN NSEC epfl-architecture.ch. NS RRSIG NSEC epfl.ch. 900 IN RRSIG ( NSEC 13 2 900 20260815184913 20260716180217 35417 ch. intsUsJgf9TN2fvoZe9mHAPAwSRcoQ/uQAcbgASkJ1rvlIS8lYHqgDi1NSbU62iv8HVaMVt7mgrM 2PWAg4QkCQ== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	No DS records found for epfl.ch in the ch zone
	Query to scsnms.switch.ch for epfl.ch/DNSKEY
	Received 90 bytes from 130.59.31.26
	;; Response received from [130.59.31.26] 90 octets ;; HEADER SECTION ;; id = 31688 ;; 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. 79878005 ;serial 1200 ;refresh 450 ;retry 3600000 ;expire 3600 ;minimum ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	No DNSKEY records found
	Query to scsnms.switch.ch for epfl.ch/A
	Received 52 bytes from 130.59.31.26
	;; Response received from [130.59.31.26] 52 octets ;; HEADER SECTION ;; id = 38572 ;; 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 = 0 arcount = 1 ;; { "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 128.178.211.3 ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	scsnms.switch.ch is authoritative for epfl.ch
	Query to stisun1.epfl.ch for epfl.ch/SOA
	Received 244 bytes from 128.178.15.8
	;; Response received from [128.178.15.8] 244 octets ;; HEADER SECTION ;; id = 7870 ;; 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 = 3 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. 79878005 ;serial 1200 ;refresh 450 ;retry 3600000 ;expire 3600 ;minimum ) ;; AUTHORITY SECTION (3 records) epfl.ch. 86400 IN NS stisun1.epfl.ch. epfl.ch. 86400 IN NS scsnms.switch.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/SOA
	Received 244 bytes from 128.178.15.7
	;; Response received from [128.178.15.7] 244 octets ;; HEADER SECTION ;; id = 8809 ;; 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 = 3 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. 79878005 ;serial 1200 ;refresh 450 ;retry 3600000 ;expire 3600 ;minimum ) ;; AUTHORITY SECTION (3 records) epfl.ch. 86400 IN NS stisun1.epfl.ch. epfl.ch. 86400 IN NS stisun2.epfl.ch. epfl.ch. 86400 IN NS scsnms.switch.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 scsnms.switch.ch for epfl.ch/A
	epfl.ch A RR has value 128.178.211.3
	No RRSIGs found

epfl.ch

	Query to stisun2.epfl.ch for epfl.ch/A
	Received 214 bytes from 128.178.15.7
	;; Response received from [128.178.15.7] 214 octets ;; HEADER SECTION ;; id = 29558 ;; 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 = 3 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 128.178.211.3 ;; AUTHORITY SECTION (3 records) epfl.ch. 86400 IN NS stisun1.epfl.ch. epfl.ch. 86400 IN NS scsnms.switch.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 }
	stisun2.epfl.ch is authoritative for epfl.ch
	Query to stisun2.epfl.ch for epfl.ch/A
	epfl.ch A RR has value 128.178.211.3
	No RRSIGs found

epfl.ch

	Query to stisun1.epfl.ch for epfl.ch/A
	Received 214 bytes from 128.178.15.8
	;; Response received from [128.178.15.8] 214 octets ;; HEADER SECTION ;; id = 34537 ;; 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 = 3 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 128.178.211.3 ;; AUTHORITY SECTION (3 records) epfl.ch. 86400 IN NS stisun1.epfl.ch. epfl.ch. 86400 IN NS scsnms.switch.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
	epfl.ch A RR has value 128.178.211.3
	No RRSIGs found

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