DNSSEC Debugger

Domain Name:

Time: 2025-09-18 16:59:57 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 k.root-servers.net for ./DNSKEY
	Received 1414 bytes from 193.0.14.129
	;; Response received from [193.0.14.129] 1414 octets ;; HEADER SECTION ;; id = 12853 ;; 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 = 5 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; . IN DNSKEY ;; ANSWER SECTION (5 records) . 172800 IN DNSKEY ( 256 3 8 AwEAAbEbGCpGTDrcZTWqWWE72nphyshpRcILdzCVlBGU9Ln1Fui9kkseUOP+g5GLUeVFKdTloeRT A9+EYiQdXgWXmXmuW/nGxZjAikluF/O9NzLVrr5iZnth2xu+F48nrJlAgWWiMNau54NI5sZ3iVQf hFsq2pZmf43RauRPniYMShOLO7EBWWXr5glDSgZGS9fSm6xHwwF+g8D4m8oanjvdCBNxXzSEKS31 ibxjLifTfvwCg3y4XXcNW9U6Nu3JmoKUdxqpPPIkBvVQbIz4UO2FwaR13uXC03ALP1Yx2QNSS4SZ lcIMtAftQR9wtCiuPWQnFv4jkzWqlhp1Lmf7bcoL9yk= ) ; keytag 53148 . 172800 IN DNSKEY ( 256 3 8 AwEAAbauxLSFZ+KSWi2cT6TJbm3d+GIVqb2N1XnDjMsRme0b6JlGp/cvwmM5CaJ5LQ7tG1r7LuTH jYZadtbNk2nZmclq9r4KInS48ungoAZb0gJXVw8IvBTBb1YWQmiBqD285pJuORwTii7DF++nNJJk 3i55HJt9SmBI7m7t8nvx7OOY/w0inxg3fLH2uY0SKO8he4FGwMc4Ubiab8N8Yhyhh+FkKKdD/+oA cuGF75PjlSXO460B4MlNLlEcjDEzIsKauRYx4YVgSaNomGhMMFblmXRzgW+1R6ywvm5mC9+omlyy izZp2GJfPwGMezuKSGDndO6CYYEc5/lsRhvBYsGjdPM= ) ; keytag 46441 . 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 20250930000000 20250909000000 20326 . aqj52+DKW6PhTa31l3xyxa0lbMd8T/UyK1sNUC42EY1+cSp0hSC0VlW82RsWYU5G5NmewrInT/Sx glWFlFz94yVqiKAK7ZNQr94nRbA7okrrlfnloiBi3cQ1IvEUgvNcmlZMLTeA6rINvdcBwS7ljMOH m0vQDce9IOxhQT7iAu23oiNORw5nWG/npNkYRFDD4yQvD3HsNeXFTuyDuc57ZEjs/pnIG5nkcqx7 tp/ba3XbOGllDr/V/0ubak7OeWum1eckIljqUsx5BnfBfIA7rJ2JJBIT7JMJ/O/cflTKoJFHQoKG TVYrNVBq9vsnZ01Q4ss688IvI8vO3zkP6LQLEA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 4 DNSKEY records for .
	`. 172800 IN DNSKEY ( 256 3 8 AwEAAbEbGCpGTDrcZTWqWWE72nphyshpRcILdzCVlBGU9Ln1Fui9kkseUOP+g5GLUeVFKdTloeRT A9+EYiQdXgWXmXmuW/nGxZjAikluF/O9NzLVrr5iZnth2xu+F48nrJlAgWWiMNau54NI5sZ3iVQf hFsq2pZmf43RauRPniYMShOLO7EBWWXr5glDSgZGS9fSm6xHwwF+g8D4m8oanjvdCBNxXzSEKS31 ibxjLifTfvwCg3y4XXcNW9U6Nu3JmoKUdxqpPPIkBvVQbIz4UO2FwaR13uXC03ALP1Yx2QNSS4SZ lcIMtAftQR9wtCiuPWQnFv4jkzWqlhp1Lmf7bcoL9yk= ) ; keytag 53148`
	`. 172800 IN DNSKEY ( 256 3 8 AwEAAbauxLSFZ+KSWi2cT6TJbm3d+GIVqb2N1XnDjMsRme0b6JlGp/cvwmM5CaJ5LQ7tG1r7LuTH jYZadtbNk2nZmclq9r4KInS48ungoAZb0gJXVw8IvBTBb1YWQmiBqD285pJuORwTii7DF++nNJJk 3i55HJt9SmBI7m7t8nvx7OOY/w0inxg3fLH2uY0SKO8he4FGwMc4Ubiab8N8Yhyhh+FkKKdD/+oA cuGF75PjlSXO460B4MlNLlEcjDEzIsKauRYx4YVgSaNomGhMMFblmXRzgW+1R6ywvm5mC9+omlyy izZp2GJfPwGMezuKSGDndO6CYYEc5/lsRhvBYsGjdPM= ) ; keytag 46441`
	`. 172800 IN DNSKEY ( 257 3 8 AwEAAaz/tAm8yTn4Mfeh5eyI96WSVexTBAvkMgJzkKTOiW1vkIbzxeF3+/4RgWOq7HrxRixHlFlE xOLAJr5emLvN7SWXgnLh4+B5xQlNVz8Og8kvArMtNROxVQuCaSnIDdD5LKyWbRd2n9WGe2R8PzgC mr3EgVLrjyBxWezF0jLHwVN8efS3rCj/EWgvIWgb9tarpVUDK/b58Da+sqqls3eNbuv7pr+eoZG+ SrDK6nWeL3c6H5Apxz7LjVc1uTIdsIXxuOLYA4/ilBmSVIzuDWfdRUfhHdY6+cn8HFRm+2hM8AnX GXws9555KrUB5qihylGa8subX2Nn6UwNR1AkUTV74bU= ) ; keytag 20326`
	`. 172800 IN DNSKEY ( 257 3 8 AwEAAa96jeuknZlaeSrvyAJj6ZHv28hhOKkx3rLGXVaC6rXTsDc449/cidltpkyGwCJNnOAlFNKF 2jBosZBU5eeHspaQWOmOElZsjICMQMC3aeHbGiShvZsx4wMYSjH8e7Vrhbu6irwCzVBApESjbUdp WWmEnhathWu1jo+siFUiRAAxm9qyJNg/wOZqqzL/dL/q8PkcRU5oUKEpUge71M3ej2/7CPqpdVwu MoTvoB+ZOT4YeGyxMvHmbrxlFzGOHOijtzN+u1TQNatX2XBuzZNQ1K+s2CXkPIZo7s6JgZyvaBev YtxPvYLw4z9mR7K2vaF18UYH9Z9GNUUeayffKC73PYc= ) ; keytag 38696`
	DNSKEY=20326/SEP is now in the chain-of-trust
	DS=20326/SHA-256 verifies DNSKEY=20326/SEP
	Found 1 RRSIGs over DNSKEY RRset
	`. 172800 IN RRSIG ( DNSKEY 8 0 172800 20250930000000 20250909000000 20326 . aqj52+DKW6PhTa31l3xyxa0lbMd8T/UyK1sNUC42EY1+cSp0hSC0VlW82RsWYU5G5NmewrInT/Sx glWFlFz94yVqiKAK7ZNQr94nRbA7okrrlfnloiBi3cQ1IvEUgvNcmlZMLTeA6rINvdcBwS7ljMOH m0vQDce9IOxhQT7iAu23oiNORw5nWG/npNkYRFDD4yQvD3HsNeXFTuyDuc57ZEjs/pnIG5nkcqx7 tp/ba3XbOGllDr/V/0ubak7OeWum1eckIljqUsx5BnfBfIA7rJ2JJBIT7JMJ/O/cflTKoJFHQoKG TVYrNVBq9vsnZ01Q4ss688IvI8vO3zkP6LQLEA== )`
	RRSIG=20326 and DNSKEY=20326/SEP verifies the DNSKEY RRset
	DNSKEY=53148 is now in the chain-of-trust
	DNSKEY=46441 is now in the chain-of-trust
	DNSKEY=38696/SEP is now in the chain-of-trust
	Query to j.root-servers.net for epfl.ch/A
	Received 675 bytes from 192.58.128.30
	;; Response received from [192.58.128.30] 675 octets ;; HEADER SECTION ;; id = 60715 ;; 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 ( 14051 13 2 abf0b9c56282f0558d59b5eef0f881b7db4f39043972411fdb06e66593a9e8b1 ) ch. 86400 IN RRSIG ( DS 8 1 86400 20251001050000 20250918040000 46441 . KChH5IT/aI98ooc1WWdD2gbDwLlj4qSG0eYXdvxiEC/oSPX/kTOpba2hmoScdc46D/vE9n2xh+4C Zpd0BP0vd+8s1M37dX269YTaD+HAR4Kj02vtueiknpm79cdeZ8T8nYuTOOLECQVPUN0qg71PI33U wThDZULc1TI+E795ibCQ0wo7Qc11GFT8Q6pCP6vHGmH+7Wv5AVhGN41O2EScK1DHLlESSM79sC0e nuJj9mc92uLlO67rsS0OTEa2scNEN+xhFy+Y9Xn4SuZfw+5xAYhjyTrQ+Epv1Bgf1coRLBigPtAb QdiuqT8Rs+tdSyvfA+4Y6wZQNumh+shCXHI4Bw== ) ;; ADDITIONAL SECTION (11 records) a.nic.ch. 172800 IN A 130.59.31.41 b.nic.ch. 172800 IN A 130.59.31.43 d.nic.ch. 172800 IN A 194.0.25.39 e.nic.ch. 172800 IN A 194.0.17.1 f.nic.ch. 172800 IN A 194.146.106.10 a.nic.ch. 172800 IN AAAA 2001:620:0:ff::56 b.nic.ch. 172800 IN AAAA 2001:620:0:ff::58 d.nic.ch. 172800 IN AAAA 2001:678:20::39 e.nic.ch. 172800 IN AAAA 2001:678:3::1 f.nic.ch. 172800 IN AAAA 2001:67c:1010:2::53 ;; { "EDNS-VERSION": 0 }
	Query to l.root-servers.net for ch/DNSKEY
	Received 670 bytes from 199.7.83.42
	;; Response received from [199.7.83.42] 670 octets ;; HEADER SECTION ;; id = 48362 ;; 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 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 20251001050000 20250918040000 46441 . KChH5IT/aI98ooc1WWdD2gbDwLlj4qSG0eYXdvxiEC/oSPX/kTOpba2hmoScdc46D/vE9n2xh+4C Zpd0BP0vd+8s1M37dX269YTaD+HAR4Kj02vtueiknpm79cdeZ8T8nYuTOOLECQVPUN0qg71PI33U wThDZULc1TI+E795ibCQ0wo7Qc11GFT8Q6pCP6vHGmH+7Wv5AVhGN41O2EScK1DHLlESSM79sC0e nuJj9mc92uLlO67rsS0OTEa2scNEN+xhFy+Y9Xn4SuZfw+5xAYhjyTrQ+Epv1Bgf1coRLBigPtAb QdiuqT8Rs+tdSyvfA+4Y6wZQNumh+shCXHI4Bw== ) ;; ADDITIONAL SECTION (11 records) a.nic.ch. 172800 IN A 130.59.31.41 b.nic.ch. 172800 IN A 130.59.31.43 d.nic.ch. 172800 IN A 194.0.25.39 e.nic.ch. 172800 IN A 194.0.17.1 f.nic.ch. 172800 IN A 194.146.106.10 a.nic.ch. 172800 IN AAAA 2001:620:0:ff::56 b.nic.ch. 172800 IN AAAA 2001:620:0:ff::58 d.nic.ch. 172800 IN AAAA 2001:678:20::39 e.nic.ch. 172800 IN AAAA 2001:678:3::1 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 j.root-servers.net for ch/DS
	Received 366 bytes from 192.58.128.30
	;; Response received from [192.58.128.30] 366 octets ;; HEADER SECTION ;; id = 65056 ;; 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": 1472, ;; "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 20251001050000 20250918040000 46441 . KChH5IT/aI98ooc1WWdD2gbDwLlj4qSG0eYXdvxiEC/oSPX/kTOpba2hmoScdc46D/vE9n2xh+4C Zpd0BP0vd+8s1M37dX269YTaD+HAR4Kj02vtueiknpm79cdeZ8T8nYuTOOLECQVPUN0qg71PI33U wThDZULc1TI+E795ibCQ0wo7Qc11GFT8Q6pCP6vHGmH+7Wv5AVhGN41O2EScK1DHLlESSM79sC0e nuJj9mc92uLlO67rsS0OTEa2scNEN+xhFy+Y9Xn4SuZfw+5xAYhjyTrQ+Epv1Bgf1coRLBigPtAb QdiuqT8Rs+tdSyvfA+4Y6wZQNumh+shCXHI4Bw== ) ;; 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 20251001050000 20250918040000 46441 . KChH5IT/aI98ooc1WWdD2gbDwLlj4qSG0eYXdvxiEC/oSPX/kTOpba2hmoScdc46D/vE9n2xh+4C Zpd0BP0vd+8s1M37dX269YTaD+HAR4Kj02vtueiknpm79cdeZ8T8nYuTOOLECQVPUN0qg71PI33U wThDZULc1TI+E795ibCQ0wo7Qc11GFT8Q6pCP6vHGmH+7Wv5AVhGN41O2EScK1DHLlESSM79sC0e nuJj9mc92uLlO67rsS0OTEa2scNEN+xhFy+Y9Xn4SuZfw+5xAYhjyTrQ+Epv1Bgf1coRLBigPtAb QdiuqT8Rs+tdSyvfA+4Y6wZQNumh+shCXHI4Bw== )`
	RRSIG=46441 and DNSKEY=46441 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 a.nic.ch for ch/DNSKEY
	Received 369 bytes from 130.59.31.41
	;; Response received from [130.59.31.41] 369 octets ;; HEADER SECTION ;; id = 6751 ;; 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) ;; 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 Z2s/wTBEhYb4r6FBVl13qVsYVj1n8yaV6+y0G0XGqyYRwV3R6275GZxu3MGdP55pJVSI/ver+H0w yA5LcX5j9g== ) ; keytag 21962 ch. 86400 IN DNSKEY ( 256 3 13 6h/HZ+ETZKPV8E7ZLNixMuSqRI/CHuUYAsHQ7c99x2s1JAG66T2Pjs6G9ItbJxr826+/xHazVqsA THZG9TDN+Q== ) ; keytag 50332 ch. 86400 IN RRSIG ( DNSKEY 13 1 86400 20251031100909 20250915090909 14051 ch. lNr+TV++z49ALPGmlEhNB+am1cLkEKx+VL67OG3+WC81RuZ5tclvngGPgdlU3Df9tesQkQLaYVTV ajoPGS1+Qg== ) ;; 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 Z2s/wTBEhYb4r6FBVl13qVsYVj1n8yaV6+y0G0XGqyYRwV3R6275GZxu3MGdP55pJVSI/ver+H0w yA5LcX5j9g== ) ; keytag 21962`
	`ch. 86400 IN DNSKEY ( 256 3 13 6h/HZ+ETZKPV8E7ZLNixMuSqRI/CHuUYAsHQ7c99x2s1JAG66T2Pjs6G9ItbJxr826+/xHazVqsA THZG9TDN+Q== ) ; keytag 50332`
	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 20251031100909 20250915090909 14051 ch. lNr+TV++z49ALPGmlEhNB+am1cLkEKx+VL67OG3+WC81RuZ5tclvngGPgdlU3Df9tesQkQLaYVTV ajoPGS1+Qg== )`
	RRSIG=14051 and DNSKEY=14051/SEP verifies the DNSKEY RRset
	DNSKEY=21962 is now in the chain-of-trust
	DNSKEY=50332 is now in the chain-of-trust
	Query to f.nic.ch for epfl.ch/A
	Received 376 bytes from 194.146.106.10
	;; Response received from [194.146.106.10] 376 octets ;; HEADER SECTION ;; id = 55530 ;; 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 A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (5 records) epfl.ch. 3600 IN NS stisun2.epfl.ch. epfl.ch. 3600 IN NS stisun1.epfl.ch. epfl.ch. 3600 IN NS scsnms.switch.ch. epfl.ch. 900 IN NSEC epfl-africa.ch. NS RRSIG NSEC epfl.ch. 900 IN RRSIG ( NSEC 13 2 900 20251015215523 20250915210158 21962 ch. uwYI9hEpMj5JadCyM6MMV+/3FEPiyLR+fVT/vywNs//68IRmqV1EKYwf2LzfgjkI/Nhv0BEMShyY ac7XINVVkg== ) ;; ADDITIONAL SECTION (7 records) stisun2.epfl.ch. 3600 IN A 128.178.15.7 stisun1.epfl.ch. 3600 IN A 128.178.15.8 scsnms.switch.ch. 3600 IN A 130.59.31.26 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 scsnms.switch.ch. 3600 IN AAAA 2001:620:0:ff::a7 ;; { "EDNS-VERSION": 0 }
	Query to d.nic.ch for epfl.ch/DNSKEY
	Received 374 bytes from 194.0.25.39
	;; Response received from [194.0.25.39] 374 octets ;; HEADER SECTION ;; id = 57530 ;; 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 DNSKEY ;; 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-africa.ch. NS RRSIG NSEC epfl.ch. 900 IN RRSIG ( NSEC 13 2 900 20251015215523 20250915210158 21962 ch. uwYI9hEpMj5JadCyM6MMV+/3FEPiyLR+fVT/vywNs//68IRmqV1EKYwf2LzfgjkI/Nhv0BEMShyY ac7XINVVkg== ) ;; 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 }
	Found child zone epfl.ch

epfl.ch

	Checking DS between ch and epfl.ch
	Query to e.nic.ch for epfl.ch/DS
	Received 335 bytes from 194.0.17.1
	;; Response received from [194.0.17.1] 335 octets ;; HEADER SECTION ;; id = 39977 ;; 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": 4096, ;; "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. 2025091818 ;serial 900 ;refresh 600 ;retry 1209600 ;expire 900 ;minimum ) ch. 900 IN RRSIG ( SOA 13 1 900 20251018153600 20250918150216 21962 ch. pMQDqxMZnQinxDdDo1RjjDZHEWUbOMVQuy9tAU/S8Lf190bAzWWDX2/C1epSv1QfXwsDckBZ8Yws NINQdkz9xg== ) epfl.ch. 900 IN NSEC epfl-africa.ch. NS RRSIG NSEC epfl.ch. 900 IN RRSIG ( NSEC 13 2 900 20251015215523 20250915210158 21962 ch. uwYI9hEpMj5JadCyM6MMV+/3FEPiyLR+fVT/vywNs//68IRmqV1EKYwf2LzfgjkI/Nhv0BEMShyY ac7XINVVkg== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	No DS records found for epfl.ch in the ch zone
	Query to stisun1.epfl.ch for epfl.ch/DNSKEY
	Received 90 bytes from 128.178.15.8
	;; Response received from [128.178.15.8] 90 octets ;; HEADER SECTION ;; id = 16530 ;; 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. 79651654 ;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 = 17298 ;; 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 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 = 1467 ;; 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. 79651654 ;serial 1200 ;refresh 450 ;retry 3600000 ;expire 3600 ;minimum ) ;; AUTHORITY SECTION (3 records) epfl.ch. 86400 IN NS scsnms.switch.ch. 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 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 = 44049 ;; 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. 79651654 ;serial 1200 ;refresh 450 ;retry 3600000 ;expire 3600 ;minimum ) ;; AUTHORITY SECTION (3 records) epfl.ch. 86400 IN NS stisun2.epfl.ch. epfl.ch. 86400 IN NS stisun1.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
	Received 52 bytes from 130.59.31.26
	;; Response received from [130.59.31.26] 52 octets ;; HEADER SECTION ;; id = 49957 ;; 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 }
	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 = 21747 ;; 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 scsnms.switch.ch. 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 }
	stisun2.epfl.ch is authoritative for 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 = 41152 ;; 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 stisun2.epfl.ch. epfl.ch. 86400 IN NS stisun1.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 }
	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 = 27408 ;; 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 stisun2.epfl.ch. epfl.ch. 86400 IN NS stisun1.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 }
	stisun1.epfl.ch is authoritative for 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 = 38260 ;; 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 stisun2.epfl.ch. epfl.ch. 86400 IN NS stisun1.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 }
	epfl.ch A RR has value 128.178.211.3
	No RRSIGs found

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