DNSSEC Debugger - uni-koeln.de

Domain Name:

Time: 2025-06-22 02:47:46 UTC

Analyzing DNSSEC problems for uni-koeln.de

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 g.root-servers.net for ./DNSKEY
	Received 1417 bytes from 192.112.36.4
	;; Response received from [192.112.36.4] 1417 octets ;; HEADER SECTION ;; id = 9809 ;; 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 ( 257 3 8 AwEAAa96jeuknZlaeSrvyAJj6ZHv28hhOKkx3rLGXVaC6rXTsDc449/cidltpkyGwCJNnOAlFNKF 2jBosZBU5eeHspaQWOmOElZsjICMQMC3aeHbGiShvZsx4wMYSjH8e7Vrhbu6irwCzVBApESjbUdp WWmEnhathWu1jo+siFUiRAAxm9qyJNg/wOZqqzL/dL/q8PkcRU5oUKEpUge71M3ej2/7CPqpdVwu MoTvoB+ZOT4YeGyxMvHmbrxlFzGOHOijtzN+u1TQNatX2XBuzZNQ1K+s2CXkPIZo7s6JgZyvaBev YtxPvYLw4z9mR7K2vaF18UYH9Z9GNUUeayffKC73PYc= ) ; keytag 38696 . 172800 IN DNSKEY ( 256 3 8 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 RRSIG ( DNSKEY 8 0 172800 20250711000000 20250620000000 20326 . S0XHgtn2OkSZ0ZOGtgOM4Xipyq/72x7vHPJy3SV8p7TUCtMNj2XxEPjZoXSYvxbkhtaeI6E+9dvv QrqrB6ovKdW8DE/o88jFBLsfe9niPDHgZAs0ZpfGAtRfdFrXvtXZ4CCTYCSsxnaIMNS7By4+Ti1V 9QFp/+ml0VjzVkc92SvmFJMYYpORmeq97VQMOdUJwEYhKx6Npw8cdSVxjqtytx/iNgB6KRt6i6j3 dASECBA8hSxMesKFbnVwLW8lxObBiTnsQo1WDw2IO8vMBSNGagFUUA2YTzvEwYPOQskebK3C0LAW 2GzOvoy69fIK0a9RqKkO9scvKVtLDdrEEDLBZA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 4 DNSKEY records for .
	`. 172800 IN DNSKEY ( 257 3 8 AwEAAa96jeuknZlaeSrvyAJj6ZHv28hhOKkx3rLGXVaC6rXTsDc449/cidltpkyGwCJNnOAlFNKF 2jBosZBU5eeHspaQWOmOElZsjICMQMC3aeHbGiShvZsx4wMYSjH8e7Vrhbu6irwCzVBApESjbUdp WWmEnhathWu1jo+siFUiRAAxm9qyJNg/wOZqqzL/dL/q8PkcRU5oUKEpUge71M3ej2/7CPqpdVwu MoTvoB+ZOT4YeGyxMvHmbrxlFzGOHOijtzN+u1TQNatX2XBuzZNQ1K+s2CXkPIZo7s6JgZyvaBev YtxPvYLw4z9mR7K2vaF18UYH9Z9GNUUeayffKC73PYc= ) ; keytag 38696`
	`. 172800 IN DNSKEY ( 256 3 8 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`
	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 20250711000000 20250620000000 20326 . S0XHgtn2OkSZ0ZOGtgOM4Xipyq/72x7vHPJy3SV8p7TUCtMNj2XxEPjZoXSYvxbkhtaeI6E+9dvv QrqrB6ovKdW8DE/o88jFBLsfe9niPDHgZAs0ZpfGAtRfdFrXvtXZ4CCTYCSsxnaIMNS7By4+Ti1V 9QFp/+ml0VjzVkc92SvmFJMYYpORmeq97VQMOdUJwEYhKx6Npw8cdSVxjqtytx/iNgB6KRt6i6j3 dASECBA8hSxMesKFbnVwLW8lxObBiTnsQo1WDw2IO8vMBSNGagFUUA2YTzvEwYPOQskebK3C0LAW 2GzOvoy69fIK0a9RqKkO9scvKVtLDdrEEDLBZA== )`
	RRSIG=20326 and DNSKEY=20326/SEP verifies the DNSKEY RRset
	DNSKEY=38696/SEP is now in the chain-of-trust
	DNSKEY=53148 is now in the chain-of-trust
	DNSKEY=46441 is now in the chain-of-trust
	Query to l.root-servers.net for uni-koeln.de/A
	Received 752 bytes from 199.7.83.42
	;; Response received from [199.7.83.42] 752 octets ;; HEADER SECTION ;; id = 54710 ;; 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 = 8 arcount = 13 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; uni-koeln.de. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (8 records) de. 172800 IN NS a.nic.de. de. 172800 IN NS f.nic.de. de. 172800 IN NS l.de.net. de. 172800 IN NS n.de.net. de. 172800 IN NS s.de.net. de. 172800 IN NS z.nic.de. de. 86400 IN DS ( 26755 8 2 f341357809a5954311ccb82ade114c6c1d724a75c0395137aa3978035425e78d ) de. 86400 IN RRSIG ( DS 8 1 86400 20250704170000 20250621160000 53148 . BOlBOCzEIRjd7Dy7lQBaztK5CAe61hM0myWZVlQbyWfpqcZZYyptc+jheAAsPz88HKzJX5gtmByN 9jdHNslYdaDHCIQndnrxNNOcSZw8AHbKe9mbVDciOsBDAOg7b2zqRnISjJHfnZuaVQ1KsJ4xVfhh m9uHBEDpfniTHtjic9VyCQ76H7LVEBV1PKxITfXBc+nKSN+GdOR9HwAo0jQ1DIkcRqL+h8q22Afd ym+lmo80t027GS9Ci2gi+r3yl90u1kx0EJsHgmMdv5rok8qKLvaGoGWaxJhQjc6KnENYMa62s1Me 2Zz4yLOJblR/kCeoDGOUGlbnouIVYDj6yMc/KA== ) ;; ADDITIONAL SECTION (13 records) a.nic.de. 172800 IN A 194.0.0.53 a.nic.de. 172800 IN AAAA 2001:678:2::53 f.nic.de. 172800 IN A 81.91.164.5 f.nic.de. 172800 IN AAAA 2a02:568:0:2::53 z.nic.de. 172800 IN A 194.246.96.1 z.nic.de. 172800 IN AAAA 2a02:568:fe02::de l.de.net. 172800 IN A 77.67.63.105 l.de.net. 172800 IN AAAA 2001:668:1f:11::105 n.de.net. 172800 IN A 194.146.107.6 n.de.net. 172800 IN AAAA 2001:67c:1011:1::53 s.de.net. 172800 IN A 195.243.137.26 s.de.net. 172800 IN AAAA 2003:8:14::53 ;; { "EDNS-VERSION": 0 }
	Query to a.root-servers.net for de/DNSKEY
	Received 736 bytes from 198.41.0.4
	;; Response received from [198.41.0.4] 736 octets ;; HEADER SECTION ;; id = 8908 ;; 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 = 8 arcount = 13 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; de. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (8 records) de. 172800 IN NS a.nic.de. de. 172800 IN NS l.de.net. de. 172800 IN NS s.de.net. de. 172800 IN NS f.nic.de. de. 172800 IN NS z.nic.de. de. 172800 IN NS n.de.net. de. 86400 IN DS ( 26755 8 2 f341357809a5954311ccb82ade114c6c1d724a75c0395137aa3978035425e78d ) de. 86400 IN RRSIG ( DS 8 1 86400 20250704170000 20250621160000 53148 . BOlBOCzEIRjd7Dy7lQBaztK5CAe61hM0myWZVlQbyWfpqcZZYyptc+jheAAsPz88HKzJX5gtmByN 9jdHNslYdaDHCIQndnrxNNOcSZw8AHbKe9mbVDciOsBDAOg7b2zqRnISjJHfnZuaVQ1KsJ4xVfhh m9uHBEDpfniTHtjic9VyCQ76H7LVEBV1PKxITfXBc+nKSN+GdOR9HwAo0jQ1DIkcRqL+h8q22Afd ym+lmo80t027GS9Ci2gi+r3yl90u1kx0EJsHgmMdv5rok8qKLvaGoGWaxJhQjc6KnENYMa62s1Me 2Zz4yLOJblR/kCeoDGOUGlbnouIVYDj6yMc/KA== ) ;; ADDITIONAL SECTION (13 records) a.nic.de. 172800 IN A 194.0.0.53 a.nic.de. 172800 IN AAAA 2001:678:2::53 l.de.net. 172800 IN A 77.67.63.105 l.de.net. 172800 IN AAAA 2001:668:1f:11::105 s.de.net. 172800 IN A 195.243.137.26 s.de.net. 172800 IN AAAA 2003:8:14::53 f.nic.de. 172800 IN A 81.91.164.5 f.nic.de. 172800 IN AAAA 2a02:568:0:2::53 z.nic.de. 172800 IN A 194.246.96.1 z.nic.de. 172800 IN AAAA 2a02:568:fe02::de n.de.net. 172800 IN A 194.146.107.6 n.de.net. 172800 IN AAAA 2001:67c:1011:1::53 ;; { "EDNS-VERSION": 0 }
	Found child zone de

	Checking DS between . and de
	Query to f.root-servers.net for de/DS
	Received 366 bytes from 192.5.5.241
	;; Response received from [192.5.5.241] 366 octets ;; HEADER SECTION ;; id = 7830 ;; 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) ;; de. IN DS ;; ANSWER SECTION (2 records) de. 86400 IN DS ( 26755 8 2 f341357809a5954311ccb82ade114c6c1d724a75c0395137aa3978035425e78d ) de. 86400 IN RRSIG ( DS 8 1 86400 20250704170000 20250621160000 53148 . BOlBOCzEIRjd7Dy7lQBaztK5CAe61hM0myWZVlQbyWfpqcZZYyptc+jheAAsPz88HKzJX5gtmByN 9jdHNslYdaDHCIQndnrxNNOcSZw8AHbKe9mbVDciOsBDAOg7b2zqRnISjJHfnZuaVQ1KsJ4xVfhh m9uHBEDpfniTHtjic9VyCQ76H7LVEBV1PKxITfXBc+nKSN+GdOR9HwAo0jQ1DIkcRqL+h8q22Afd ym+lmo80t027GS9Ci2gi+r3yl90u1kx0EJsHgmMdv5rok8qKLvaGoGWaxJhQjc6KnENYMa62s1Me 2Zz4yLOJblR/kCeoDGOUGlbnouIVYDj6yMc/KA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 1 DS records for de in the . zone
	DS=26755/SHA-256 has algorithm RSASHA256
	Found 1 RRSIGs over DS RRset
	`de. 86400 IN RRSIG ( DS 8 1 86400 20250704170000 20250621160000 53148 . BOlBOCzEIRjd7Dy7lQBaztK5CAe61hM0myWZVlQbyWfpqcZZYyptc+jheAAsPz88HKzJX5gtmByN 9jdHNslYdaDHCIQndnrxNNOcSZw8AHbKe9mbVDciOsBDAOg7b2zqRnISjJHfnZuaVQ1KsJ4xVfhh m9uHBEDpfniTHtjic9VyCQ76H7LVEBV1PKxITfXBc+nKSN+GdOR9HwAo0jQ1DIkcRqL+h8q22Afd ym+lmo80t027GS9Ci2gi+r3yl90u1kx0EJsHgmMdv5rok8qKLvaGoGWaxJhQjc6KnENYMa62s1Me 2Zz4yLOJblR/kCeoDGOUGlbnouIVYDj6yMc/KA== )`
	RRSIG=53148 and DNSKEY=53148 verifies the DS RRset
	DS=26755/SHA-256 is now in the chain-of-trust
	`de. 86400 IN DS ( 26755 8 2 f341357809a5954311ccb82ade114c6c1d724a75c0395137aa3978035425e78d )`
	Query to l.de.net for de/DNSKEY
	Received 893 bytes from 77.67.63.105
	;; Response received from [77.67.63.105] 893 octets ;; HEADER SECTION ;; id = 56644 ;; 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": 1452, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; de. IN DNSKEY ;; ANSWER SECTION (4 records) de. 86400 IN DNSKEY ( 256 3 8 AwEAAbg3bmRlzKF9xOOEvIa64FlYfgP9Nlb5kz4Nw0MzNUVHIawmpAYyJAckultRbhOEPc2/kutW I2+83MrCr+hS/flyWarV9NH553OJQgcshVERd/1EyTPJmt7ypTBf25slBr3O/B87pVGJrnchYwYk xB/9yT30RgFqwKCaQniWC3nJ ) ; keytag 11226 de. 86400 IN DNSKEY ( 256 3 8 AwEAAehSj5Z0gSoUNmgLwHcEdYl17hj1ebDd5hb4XKuqWJwVoKIliqLwCLCXiLjdS71/xuhlriEl 9liD4eTqbEx+M5Wje6Y2jEGcQdrMkBAzK0VVclph8Fr5fAEKck3uBD/sRF/6cISobHOYoQj2dqyC 4EEM30qkrQt5VHzqAplWIZDz ) ; keytag 6891 de. 86400 IN DNSKEY ( 257 3 8 AwEAAbWUSd/QN9Ae543xzdiacY6qbjwtZ21QfmdgxRdm4Z7bjjHWy249uqxCyjjjoS4LDoRDKmj7 ElffMKvTWKE1qFKu0p8TUy4wyhX0M+m5FUjvQ3CiZMi+qY7GSHA5B+Zd73cidmnTeb3e8lso6jEs Xg05/VZ2AyAqWF6FexEIFxIqiwwLk4UP0BwZ17Ur3q1qx9VSbPMyHgQ9d6nHUN1EEJsTDA2v0vKu msUyp74ZanRZ/bB/6IzpaaZyr5BLF5pSCNdbRNjVmkwYD0993vm79LueyOeibsoHRc16jhALrIJo u1PFjdq7YQsYN0KtqRiJtaAfPprDBREpeamPuW/MnW0= ) ; keytag 26755 de. 86400 IN RRSIG ( DNSKEY 8 1 86400 20250701191358 20250617174358 26755 de. f68OBuTPPyNu4PKXdn1f5uozRNCq4mWbkbH5gt1gZLHS/cUGFvBH1IDh8rVMw3/RrnEEez6eoREi pFFV/b5nJtHAQCYK9rT9H3G2uMIU2eDpEHVF1hOLIZFodQMhwKwlNFGLIpufj5a7VabumHrFqkOB eZoR4Fwd7Nj8usayLtsWPFquQ0HrsVn52F92h3RrSCU91+AKCraTKu7GeS4c9IMfEjDVhgOwfXsw MOg24SLcZZ5do/sJ53i0ZAxv9Oq+TCVPVpciz987AX/1kr33pDIeSwu62Gr90K9Ah7B+ZS2c4Ner F+ygxbd1K1DM/HpsYa2/Rq+LG46mlv4z5mJUzQ== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 3 DNSKEY records for de
	`de. 86400 IN DNSKEY ( 256 3 8 AwEAAbg3bmRlzKF9xOOEvIa64FlYfgP9Nlb5kz4Nw0MzNUVHIawmpAYyJAckultRbhOEPc2/kutW I2+83MrCr+hS/flyWarV9NH553OJQgcshVERd/1EyTPJmt7ypTBf25slBr3O/B87pVGJrnchYwYk xB/9yT30RgFqwKCaQniWC3nJ ) ; keytag 11226`
	`de. 86400 IN DNSKEY ( 256 3 8 AwEAAehSj5Z0gSoUNmgLwHcEdYl17hj1ebDd5hb4XKuqWJwVoKIliqLwCLCXiLjdS71/xuhlriEl 9liD4eTqbEx+M5Wje6Y2jEGcQdrMkBAzK0VVclph8Fr5fAEKck3uBD/sRF/6cISobHOYoQj2dqyC 4EEM30qkrQt5VHzqAplWIZDz ) ; keytag 6891`
	`de. 86400 IN DNSKEY ( 257 3 8 AwEAAbWUSd/QN9Ae543xzdiacY6qbjwtZ21QfmdgxRdm4Z7bjjHWy249uqxCyjjjoS4LDoRDKmj7 ElffMKvTWKE1qFKu0p8TUy4wyhX0M+m5FUjvQ3CiZMi+qY7GSHA5B+Zd73cidmnTeb3e8lso6jEs Xg05/VZ2AyAqWF6FexEIFxIqiwwLk4UP0BwZ17Ur3q1qx9VSbPMyHgQ9d6nHUN1EEJsTDA2v0vKu msUyp74ZanRZ/bB/6IzpaaZyr5BLF5pSCNdbRNjVmkwYD0993vm79LueyOeibsoHRc16jhALrIJo u1PFjdq7YQsYN0KtqRiJtaAfPprDBREpeamPuW/MnW0= ) ; keytag 26755`
	DNSKEY=26755/SEP is now in the chain-of-trust
	DS=26755/SHA-256 verifies DNSKEY=26755/SEP
	Found 1 RRSIGs over DNSKEY RRset
	`de. 86400 IN RRSIG ( DNSKEY 8 1 86400 20250701191358 20250617174358 26755 de. f68OBuTPPyNu4PKXdn1f5uozRNCq4mWbkbH5gt1gZLHS/cUGFvBH1IDh8rVMw3/RrnEEez6eoREi pFFV/b5nJtHAQCYK9rT9H3G2uMIU2eDpEHVF1hOLIZFodQMhwKwlNFGLIpufj5a7VabumHrFqkOB eZoR4Fwd7Nj8usayLtsWPFquQ0HrsVn52F92h3RrSCU91+AKCraTKu7GeS4c9IMfEjDVhgOwfXsw MOg24SLcZZ5do/sJ53i0ZAxv9Oq+TCVPVpciz987AX/1kr33pDIeSwu62Gr90K9Ah7B+ZS2c4Ner F+ygxbd1K1DM/HpsYa2/Rq+LG46mlv4z5mJUzQ== )`
	RRSIG=26755 and DNSKEY=26755/SEP verifies the DNSKEY RRset
	DNSKEY=11226 is now in the chain-of-trust
	DNSKEY=6891 is now in the chain-of-trust
	Query to l.de.net for uni-koeln.de/A
	Received 720 bytes from 77.67.63.105
	;; Response received from [77.67.63.105] 720 octets ;; HEADER SECTION ;; id = 44622 ;; 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 = 8 arcount = 4 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1452, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; uni-koeln.de. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (8 records) uni-koeln.de. 86400 IN NS ns2.netcologne.de. uni-koeln.de. 86400 IN NS noc2.rrz.uni-koeln.de. uni-koeln.de. 86400 IN NS dns-1.dfn.de. uni-koeln.de. 86400 IN NS mail1.rrz.uni-koeln.de. tjlb7qbojvmlf1s6gdriru7vsms1lg16.de. 7200 IN NSEC3 ( 1 1 15 ca12b74adb90591a tjlcsjat4ljtvo0tjncrrdf6kf6onefb NS SOA RRSIG DNSKEY NSEC3PARAM ) ubp1ubf7i8pil4nnl7agtd3po4gih0jt.de. 7200 IN NSEC3 ( 1 1 15 ca12b74adb90591a ubp2t9e09h61kff41schm3k9ql1e30ea NS DS RRSIG ) tjlb7qbojvmlf1s6gdriru7vsms1lg16.de. 7200 IN RRSIG ( NSEC3 8 2 7200 20250703031739 20250619014739 6891 de. 596aKe+vKPhtOQccXQx/Qsw5WlyeEZ1JYy8EtTZ6X1AMT/nj22Gd/8aCdPiuMbn9r9XFNTMWGAZS SjHrTzXRKFvMnc/1CuDAmyIatjtvYEnXXxhQm4rX8qMPa/6nTVZ5zImrhToZq/yHfwoiVp13XeMs rBGzgPH4Od6j4354u0U= ) ubp1ubf7i8pil4nnl7agtd3po4gih0jt.de. 7200 IN RRSIG ( NSEC3 8 2 7200 20250703063809 20250619050809 6891 de. On+WhZFnKO5mKvjQpSgHGfxV0H/2a/8IXM1pjhU1sppphDG4Gww17VB1hb650jde6s62VAeJOhld Vu2BNNkR6EGyeOjvHijP3LwvdMw/K3vnN8ksoFXZP1WCq0nXe/GiRzGqSZiZKhdXRfPd3tzExcW9 U23U+FUciErU/cASvjM= ) ;; ADDITIONAL SECTION (4 records) noc2.rrz.uni-koeln.de. 86400 IN A 134.95.129.23 noc2.rrz.uni-koeln.de. 86400 IN AAAA 2a00:a200:0:50::53 mail1.rrz.uni-koeln.de. 86400 IN A 134.95.100.208 ;; { "EDNS-VERSION": 0 }
	Query to z.nic.de for uni-koeln.de/DNSKEY
	Received 712 bytes from 194.246.96.1
	;; Response received from [194.246.96.1] 712 octets ;; HEADER SECTION ;; id = 36834 ;; 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 = 8 arcount = 4 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1452, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; uni-koeln.de. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (8 records) uni-koeln.de. 86400 IN NS ns2.netcologne.de. uni-koeln.de. 86400 IN NS mail1.rrz.uni-koeln.de. uni-koeln.de. 86400 IN NS dns-1.dfn.de. uni-koeln.de. 86400 IN NS noc2.rrz.uni-koeln.de. tjlb7qbojvmlf1s6gdriru7vsms1lg16.de. 7200 IN NSEC3 ( 1 1 15 ca12b74adb90591a tjlcsjat4ljtvo0tjncrrdf6kf6onefb NS SOA RRSIG DNSKEY NSEC3PARAM ) tjlb7qbojvmlf1s6gdriru7vsms1lg16.de. 7200 IN RRSIG ( NSEC3 8 2 7200 20250703031739 20250619014739 6891 de. 596aKe+vKPhtOQccXQx/Qsw5WlyeEZ1JYy8EtTZ6X1AMT/nj22Gd/8aCdPiuMbn9r9XFNTMWGAZS SjHrTzXRKFvMnc/1CuDAmyIatjtvYEnXXxhQm4rX8qMPa/6nTVZ5zImrhToZq/yHfwoiVp13XeMs rBGzgPH4Od6j4354u0U= ) ubp1ubf7i8pil4nnl7agtd3po4gih0jt.de. 7200 IN NSEC3 ( 1 1 15 ca12b74adb90591a ubp2t9e09h61kff41schm3k9ql1e30ea NS DS RRSIG ) ubp1ubf7i8pil4nnl7agtd3po4gih0jt.de. 7200 IN RRSIG ( NSEC3 8 2 7200 20250703063809 20250619050809 6891 de. On+WhZFnKO5mKvjQpSgHGfxV0H/2a/8IXM1pjhU1sppphDG4Gww17VB1hb650jde6s62VAeJOhld Vu2BNNkR6EGyeOjvHijP3LwvdMw/K3vnN8ksoFXZP1WCq0nXe/GiRzGqSZiZKhdXRfPd3tzExcW9 U23U+FUciErU/cASvjM= ) ;; ADDITIONAL SECTION (4 records) noc2.rrz.uni-koeln.de. 86400 IN A 134.95.129.23 mail1.rrz.uni-koeln.de. 86400 IN A 134.95.100.208 noc2.rrz.uni-koeln.de. 86400 IN AAAA 2a00:a200:0:50::53 ;; { "EDNS-VERSION": 0 }
	Found child zone uni-koeln.de

uni-koeln.de

	Checking DS between de and uni-koeln.de
	Query to a.nic.de for uni-koeln.de/DS
	Received 765 bytes from 194.0.0.53
	;; Response received from [194.0.0.53] 765 octets ;; HEADER SECTION ;; id = 14121 ;; 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 = 6 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1452, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; uni-koeln.de. IN DS ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (6 records) de. 7200 IN SOA ( f.nic.de. dns-operations.denic.de. 1750560342 ;serial 7200 ;refresh 7200 ;retry 3600000 ;expire 7200 ;minimum ) tjlb7qbojvmlf1s6gdriru7vsms1lg16.de. 7200 IN NSEC3 ( 1 1 15 ca12b74adb90591a tjlcsjat4ljtvo0tjncrrdf6kf6onefb NS SOA RRSIG DNSKEY NSEC3PARAM ) ubp1ubf7i8pil4nnl7agtd3po4gih0jt.de. 7200 IN NSEC3 ( 1 1 15 ca12b74adb90591a ubp2t9e09h61kff41schm3k9ql1e30ea NS DS RRSIG ) de. 7200 IN RRSIG ( SOA 8 1 86400 20250706024538 20250622011538 6891 de. rbm2W28e7HutryHFg1/bFF9+DzABRKskSCsvz3VHDhwBHbVz46RxtyRaoCPNmFmUDsxkMj7byd9D 7fFQJ60Z3vpFDyvwIuZEYmdzI6B19ibhm3xzjMgL3w3Rv9CFfePRhDlWZzt01+lw6+yD7NXnOLU1 C+wEVXpdsib0i++ShOE= ) tjlb7qbojvmlf1s6gdriru7vsms1lg16.de. 7200 IN RRSIG ( NSEC3 8 2 7200 20250703031739 20250619014739 6891 de. 596aKe+vKPhtOQccXQx/Qsw5WlyeEZ1JYy8EtTZ6X1AMT/nj22Gd/8aCdPiuMbn9r9XFNTMWGAZS SjHrTzXRKFvMnc/1CuDAmyIatjtvYEnXXxhQm4rX8qMPa/6nTVZ5zImrhToZq/yHfwoiVp13XeMs rBGzgPH4Od6j4354u0U= ) ubp1ubf7i8pil4nnl7agtd3po4gih0jt.de. 7200 IN RRSIG ( NSEC3 8 2 7200 20250703063809 20250619050809 6891 de. On+WhZFnKO5mKvjQpSgHGfxV0H/2a/8IXM1pjhU1sppphDG4Gww17VB1hb650jde6s62VAeJOhld Vu2BNNkR6EGyeOjvHijP3LwvdMw/K3vnN8ksoFXZP1WCq0nXe/GiRzGqSZiZKhdXRfPd3tzExcW9 U23U+FUciErU/cASvjM= ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	No DS records found for uni-koeln.de in the de zone
	Query to dns-1.dfn.de for uni-koeln.de/DNSKEY
	Received 97 bytes from 193.174.75.50
	;; Response received from [193.174.75.50] 97 octets ;; HEADER SECTION ;; id = 45534 ;; 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) ;; uni-koeln.de. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (1 record) uni-koeln.de. 3600 IN SOA ( noc2.rrz.uni-koeln.de. hostmaster.uni-koeln.de. 2025062009 ;serial 10800 ;refresh 3600 ;retry 2419200 ;expire 3600 ;minimum ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	No DNSKEY records found
	Query to ns2.netcologne.de for uni-koeln.de/A
	Received 57 bytes from 194.8.194.71
	;; Response received from [194.8.194.71] 57 octets ;; HEADER SECTION ;; id = 43134 ;; 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) ;; uni-koeln.de. IN A ;; ANSWER SECTION (1 record) uni-koeln.de. 3600 IN A 134.95.81.52 ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	ns2.netcologne.de is authoritative for uni-koeln.de
	Query to noc2.rrz.uni-koeln.de for uni-koeln.de/SOA
	Received 244 bytes from 134.95.129.23
	;; Response received from [134.95.129.23] 244 octets ;; HEADER SECTION ;; id = 62960 ;; 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 = 4 arcount = 4 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; uni-koeln.de. IN SOA ;; ANSWER SECTION (1 record) uni-koeln.de. 10800 IN SOA ( noc2.rrz.uni-koeln.de. hostmaster.uni-koeln.de. 2025062009 ;serial 10800 ;refresh 3600 ;retry 2419200 ;expire 3600 ;minimum ) ;; AUTHORITY SECTION (4 records) uni-koeln.de. 10800 IN NS dns-1.dfn.de. uni-koeln.de. 10800 IN NS mail1.rrz.uni-koeln.de. uni-koeln.de. 10800 IN NS ns2.netcologne.de. uni-koeln.de. 10800 IN NS noc2.rrz.uni-koeln.de. ;; ADDITIONAL SECTION (4 records) noc2.rrz.uni-koeln.de. 10800 IN A 134.95.129.23 noc2.rrz.uni-koeln.de. 300 IN AAAA 2a00:a200:0:50::53 mail1.rrz.uni-koeln.de. 10800 IN A 134.95.100.208 ;; { "EDNS-VERSION": 0 }
	Query to mail1.rrz.uni-koeln.de for uni-koeln.de/SOA
	Received 260 bytes from 134.95.100.208
	;; Response received from [134.95.100.208] 260 octets ;; HEADER SECTION ;; id = 34720 ;; 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 = 4 arcount = 4 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; uni-koeln.de. IN SOA ;; ANSWER SECTION (1 record) uni-koeln.de. 10800 IN SOA ( noc2.rrz.uni-koeln.de. hostmaster.uni-koeln.de. 2025062009 ;serial 10800 ;refresh 3600 ;retry 2419200 ;expire 3600 ;minimum ) ;; AUTHORITY SECTION (4 records) uni-koeln.de. 10800 IN NS ns2.netcologne.de. uni-koeln.de. 10800 IN NS noc2.rrz.uni-koeln.de. uni-koeln.de. 10800 IN NS dns-1.dfn.de. uni-koeln.de. 10800 IN NS mail1.rrz.uni-koeln.de. ;; ADDITIONAL SECTION (4 records) noc2.rrz.uni-koeln.de. 10800 IN A 134.95.129.23 mail1.rrz.uni-koeln.de. 10800 IN A 134.95.100.208 noc2.rrz.uni-koeln.de. 300 IN AAAA 2a00:a200:0:50::53 ;; { "EDNS-VERSION": 0 }
	Query to dns-1.dfn.de for uni-koeln.de/SOA
	Received 244 bytes from 193.174.75.50
	;; Response received from [193.174.75.50] 244 octets ;; HEADER SECTION ;; id = 28400 ;; 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 = 4 arcount = 4 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; uni-koeln.de. IN SOA ;; ANSWER SECTION (1 record) uni-koeln.de. 10800 IN SOA ( noc2.rrz.uni-koeln.de. hostmaster.uni-koeln.de. 2025062009 ;serial 10800 ;refresh 3600 ;retry 2419200 ;expire 3600 ;minimum ) ;; AUTHORITY SECTION (4 records) uni-koeln.de. 10800 IN NS mail1.rrz.uni-koeln.de. uni-koeln.de. 10800 IN NS ns2.netcologne.de. uni-koeln.de. 10800 IN NS noc2.rrz.uni-koeln.de. uni-koeln.de. 10800 IN NS dns-1.dfn.de. ;; ADDITIONAL SECTION (4 records) noc2.rrz.uni-koeln.de. 10800 IN A 134.95.129.23 mail1.rrz.uni-koeln.de. 10800 IN A 134.95.100.208 noc2.rrz.uni-koeln.de. 300 IN AAAA 2a00:a200:0:50::53 ;; { "EDNS-VERSION": 0 }
	Query to ns2.netcologne.de for uni-koeln.de/A
	Received 57 bytes from 194.8.194.71
	;; Response received from [194.8.194.71] 57 octets ;; HEADER SECTION ;; id = 11804 ;; 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) ;; uni-koeln.de. IN A ;; ANSWER SECTION (1 record) uni-koeln.de. 3600 IN A 134.95.81.52 ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	uni-koeln.de A RR has value 134.95.81.52
	No RRSIGs found

uni-koeln.de

	Query to dns-1.dfn.de for uni-koeln.de/A
	Received 213 bytes from 193.174.75.50
	;; Response received from [193.174.75.50] 213 octets ;; HEADER SECTION ;; id = 17724 ;; 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 = 4 arcount = 4 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; uni-koeln.de. IN A ;; ANSWER SECTION (1 record) uni-koeln.de. 3600 IN A 134.95.81.52 ;; AUTHORITY SECTION (4 records) uni-koeln.de. 10800 IN NS mail1.rrz.uni-koeln.de. uni-koeln.de. 10800 IN NS noc2.rrz.uni-koeln.de. uni-koeln.de. 10800 IN NS ns2.netcologne.de. uni-koeln.de. 10800 IN NS dns-1.dfn.de. ;; ADDITIONAL SECTION (4 records) noc2.rrz.uni-koeln.de. 10800 IN A 134.95.129.23 mail1.rrz.uni-koeln.de. 10800 IN A 134.95.100.208 noc2.rrz.uni-koeln.de. 300 IN AAAA 2a00:a200:0:50::53 ;; { "EDNS-VERSION": 0 }
	dns-1.dfn.de is authoritative for uni-koeln.de
	Query to dns-1.dfn.de for uni-koeln.de/A
	Received 213 bytes from 193.174.75.50
	;; Response received from [193.174.75.50] 213 octets ;; HEADER SECTION ;; id = 30661 ;; 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 = 4 arcount = 4 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; uni-koeln.de. IN A ;; ANSWER SECTION (1 record) uni-koeln.de. 3600 IN A 134.95.81.52 ;; AUTHORITY SECTION (4 records) uni-koeln.de. 10800 IN NS dns-1.dfn.de. uni-koeln.de. 10800 IN NS mail1.rrz.uni-koeln.de. uni-koeln.de. 10800 IN NS ns2.netcologne.de. uni-koeln.de. 10800 IN NS noc2.rrz.uni-koeln.de. ;; ADDITIONAL SECTION (4 records) noc2.rrz.uni-koeln.de. 10800 IN A 134.95.129.23 mail1.rrz.uni-koeln.de. 10800 IN A 134.95.100.208 noc2.rrz.uni-koeln.de. 300 IN AAAA 2a00:a200:0:50::53 ;; { "EDNS-VERSION": 0 }
	uni-koeln.de A RR has value 134.95.81.52
	No RRSIGs found

uni-koeln.de

	Query to mail1.rrz.uni-koeln.de for uni-koeln.de/A
	Received 229 bytes from 134.95.100.208
	;; Response received from [134.95.100.208] 229 octets ;; HEADER SECTION ;; id = 22781 ;; 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 = 4 arcount = 4 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; uni-koeln.de. IN A ;; ANSWER SECTION (1 record) uni-koeln.de. 3600 IN A 134.95.81.52 ;; AUTHORITY SECTION (4 records) uni-koeln.de. 10800 IN NS dns-1.dfn.de. uni-koeln.de. 10800 IN NS ns2.netcologne.de. uni-koeln.de. 10800 IN NS noc2.rrz.uni-koeln.de. uni-koeln.de. 10800 IN NS mail1.rrz.uni-koeln.de. ;; ADDITIONAL SECTION (4 records) noc2.rrz.uni-koeln.de. 10800 IN A 134.95.129.23 mail1.rrz.uni-koeln.de. 10800 IN A 134.95.100.208 noc2.rrz.uni-koeln.de. 300 IN AAAA 2a00:a200:0:50::53 ;; { "EDNS-VERSION": 0 }
	mail1.rrz.uni-koeln.de is authoritative for uni-koeln.de
	Query to mail1.rrz.uni-koeln.de for uni-koeln.de/A
	Received 229 bytes from 134.95.100.208
	;; Response received from [134.95.100.208] 229 octets ;; HEADER SECTION ;; id = 28537 ;; 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 = 4 arcount = 4 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; uni-koeln.de. IN A ;; ANSWER SECTION (1 record) uni-koeln.de. 3600 IN A 134.95.81.52 ;; AUTHORITY SECTION (4 records) uni-koeln.de. 10800 IN NS mail1.rrz.uni-koeln.de. uni-koeln.de. 10800 IN NS dns-1.dfn.de. uni-koeln.de. 10800 IN NS ns2.netcologne.de. uni-koeln.de. 10800 IN NS noc2.rrz.uni-koeln.de. ;; ADDITIONAL SECTION (4 records) noc2.rrz.uni-koeln.de. 10800 IN A 134.95.129.23 mail1.rrz.uni-koeln.de. 10800 IN A 134.95.100.208 noc2.rrz.uni-koeln.de. 300 IN AAAA 2a00:a200:0:50::53 ;; { "EDNS-VERSION": 0 }
	uni-koeln.de A RR has value 134.95.81.52
	No RRSIGs found

uni-koeln.de

	Query to noc2.rrz.uni-koeln.de for uni-koeln.de/A
	Received 213 bytes from 134.95.129.23
	;; Response received from [134.95.129.23] 213 octets ;; HEADER SECTION ;; id = 45735 ;; 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 = 4 arcount = 4 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; uni-koeln.de. IN A ;; ANSWER SECTION (1 record) uni-koeln.de. 3600 IN A 134.95.81.52 ;; AUTHORITY SECTION (4 records) uni-koeln.de. 10800 IN NS dns-1.dfn.de. uni-koeln.de. 10800 IN NS mail1.rrz.uni-koeln.de. uni-koeln.de. 10800 IN NS ns2.netcologne.de. uni-koeln.de. 10800 IN NS noc2.rrz.uni-koeln.de. ;; ADDITIONAL SECTION (4 records) noc2.rrz.uni-koeln.de. 10800 IN A 134.95.129.23 noc2.rrz.uni-koeln.de. 300 IN AAAA 2a00:a200:0:50::53 mail1.rrz.uni-koeln.de. 10800 IN A 134.95.100.208 ;; { "EDNS-VERSION": 0 }
	noc2.rrz.uni-koeln.de is authoritative for uni-koeln.de
	Query to noc2.rrz.uni-koeln.de for uni-koeln.de/A
	Received 213 bytes from 134.95.129.23
	;; Response received from [134.95.129.23] 213 octets ;; HEADER SECTION ;; id = 48566 ;; 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 = 4 arcount = 4 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; uni-koeln.de. IN A ;; ANSWER SECTION (1 record) uni-koeln.de. 3600 IN A 134.95.81.52 ;; AUTHORITY SECTION (4 records) uni-koeln.de. 10800 IN NS mail1.rrz.uni-koeln.de. uni-koeln.de. 10800 IN NS ns2.netcologne.de. uni-koeln.de. 10800 IN NS noc2.rrz.uni-koeln.de. uni-koeln.de. 10800 IN NS dns-1.dfn.de. ;; ADDITIONAL SECTION (4 records) noc2.rrz.uni-koeln.de. 10800 IN A 134.95.129.23 noc2.rrz.uni-koeln.de. 300 IN AAAA 2a00:a200:0:50::53 mail1.rrz.uni-koeln.de. 10800 IN A 134.95.100.208 ;; { "EDNS-VERSION": 0 }
	uni-koeln.de A RR has value 134.95.81.52
	No RRSIGs found

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