DNSSEC Debugger - uni-koeln.de

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Detail: more(+) / less(-)

Time: 2026-08-12 18:01:22 UTC

Analyzing DNSSEC problems for uni-koeln.de

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 j.root-servers.net for ./DNSKEY
	Received 1139 bytes from 192.58.128.30
	;; Response received from [192.58.128.30] 1139 octets ;; HEADER SECTION ;; id = 51319 ;; 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 ( 256 3 8 AwEAAeCYD6Z7WWKVLeuWgowKP+3g+Gs1cnLKq7a3CaQxQpv8bfuFVI0WnG33qaSH/Mw9IBgifrdz f4XY/DQLnyBJ9MfaOyAWuEaEmYJ+GQPiwVVfstGwSA1McfFJUttTgq2Huu74KARhtA8wPo/N3Xcy YQtNhz+qCM5NBb3ecx/naw6sYab9LxS6f2cU0q03++BP5Ks0Uef8WJCa/1izCYE+vMkwoltV+tEN a3hpXiZ7jle/xdgaZrPi5ZGmyLVI34g1XVYrNlsCCTmNvFQIfzW5STFQFsQpizczyFn9r3LzSxxP CNwdlCG84bER0BmdwqbF6Tanv+FxMOavrahkj4wIy5k= ) ; keytag 57780 . 172800 IN DNSKEY ( 257 3 8 AwEAAaz/tAm8yTn4Mfeh5eyI96WSVexTBAvkMgJzkKTOiW1vkIbzxeF3+/4RgWOq7HrxRixHlFlE xOLAJr5emLvN7SWXgnLh4+B5xQlNVz8Og8kvArMtNROxVQuCaSnIDdD5LKyWbRd2n9WGe2R8PzgC mr3EgVLrjyBxWezF0jLHwVN8efS3rCj/EWgvIWgb9tarpVUDK/b58Da+sqqls3eNbuv7pr+eoZG+ SrDK6nWeL3c6H5Apxz7LjVc1uTIdsIXxuOLYA4/ilBmSVIzuDWfdRUfhHdY6+cn8HFRm+2hM8AnX GXws9555KrUB5qihylGa8subX2Nn6UwNR1AkUTV74bU= ) ; keytag 20326 . 172800 IN DNSKEY ( 257 3 8 AwEAAa96jeuknZlaeSrvyAJj6ZHv28hhOKkx3rLGXVaC6rXTsDc449/cidltpkyGwCJNnOAlFNKF 2jBosZBU5eeHspaQWOmOElZsjICMQMC3aeHbGiShvZsx4wMYSjH8e7Vrhbu6irwCzVBApESjbUdp WWmEnhathWu1jo+siFUiRAAxm9qyJNg/wOZqqzL/dL/q8PkcRU5oUKEpUge71M3ej2/7CPqpdVwu MoTvoB+ZOT4YeGyxMvHmbrxlFzGOHOijtzN+u1TQNatX2XBuzZNQ1K+s2CXkPIZo7s6JgZyvaBev YtxPvYLw4z9mR7K2vaF18UYH9Z9GNUUeayffKC73PYc= ) ; keytag 38696 . 172800 IN RRSIG ( DNSKEY 8 0 172800 20260831000000 20260810000000 20326 . V78PtBnjcahYNt6ZWnzGlM+EExU9UNP4kRg5NGdsDW8OUHNRWY86PPVrQoWY3uwSbIVxs/mv9XJx oH/NdZm46Amyns74QH6IuPcCk055P1xF8f37JaSzrn+AA9vJCicqH8fnOSG7mSXs6W+or+1tJ5zL Npqjj+IuXyWOcTB0/W3loQYrPxdYIieY2DuSPRmXvpC4Z3LjMnOSvO4Q87V2ayUuPIdhO2w6Ltr3 /k6qRfSnyAcvhomTnf55nzn/Pl3urhbB/sx8VypzJZg/76nLCSxrS4XuDU8ORagQA99GeeuqFgLu fdMhNgr5m/QE6tworB9ptU8CHkhizUgIZxCd4A== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 3 DNSKEY records for .
	`. 172800 IN DNSKEY ( 256 3 8 AwEAAeCYD6Z7WWKVLeuWgowKP+3g+Gs1cnLKq7a3CaQxQpv8bfuFVI0WnG33qaSH/Mw9IBgifrdz f4XY/DQLnyBJ9MfaOyAWuEaEmYJ+GQPiwVVfstGwSA1McfFJUttTgq2Huu74KARhtA8wPo/N3Xcy YQtNhz+qCM5NBb3ecx/naw6sYab9LxS6f2cU0q03++BP5Ks0Uef8WJCa/1izCYE+vMkwoltV+tEN a3hpXiZ7jle/xdgaZrPi5ZGmyLVI34g1XVYrNlsCCTmNvFQIfzW5STFQFsQpizczyFn9r3LzSxxP CNwdlCG84bER0BmdwqbF6Tanv+FxMOavrahkj4wIy5k= ) ; keytag 57780`
	`. 172800 IN DNSKEY ( 257 3 8 AwEAAaz/tAm8yTn4Mfeh5eyI96WSVexTBAvkMgJzkKTOiW1vkIbzxeF3+/4RgWOq7HrxRixHlFlE xOLAJr5emLvN7SWXgnLh4+B5xQlNVz8Og8kvArMtNROxVQuCaSnIDdD5LKyWbRd2n9WGe2R8PzgC mr3EgVLrjyBxWezF0jLHwVN8efS3rCj/EWgvIWgb9tarpVUDK/b58Da+sqqls3eNbuv7pr+eoZG+ SrDK6nWeL3c6H5Apxz7LjVc1uTIdsIXxuOLYA4/ilBmSVIzuDWfdRUfhHdY6+cn8HFRm+2hM8AnX GXws9555KrUB5qihylGa8subX2Nn6UwNR1AkUTV74bU= ) ; keytag 20326`
	`. 172800 IN DNSKEY ( 257 3 8 AwEAAa96jeuknZlaeSrvyAJj6ZHv28hhOKkx3rLGXVaC6rXTsDc449/cidltpkyGwCJNnOAlFNKF 2jBosZBU5eeHspaQWOmOElZsjICMQMC3aeHbGiShvZsx4wMYSjH8e7Vrhbu6irwCzVBApESjbUdp WWmEnhathWu1jo+siFUiRAAxm9qyJNg/wOZqqzL/dL/q8PkcRU5oUKEpUge71M3ej2/7CPqpdVwu MoTvoB+ZOT4YeGyxMvHmbrxlFzGOHOijtzN+u1TQNatX2XBuzZNQ1K+s2CXkPIZo7s6JgZyvaBev YtxPvYLw4z9mR7K2vaF18UYH9Z9GNUUeayffKC73PYc= ) ; keytag 38696`
	DNSKEY=20326/SEP is now in the chain-of-trust
	DS=20326/SHA-256 verifies DNSKEY=20326/SEP
	DNSKEY=38696/SEP is now in the chain-of-trust
	DS=38696/SHA-256 verifies DNSKEY=38696/SEP
	Found 1 RRSIGs over DNSKEY RRset
	`. 172800 IN RRSIG ( DNSKEY 8 0 172800 20260831000000 20260810000000 20326 . V78PtBnjcahYNt6ZWnzGlM+EExU9UNP4kRg5NGdsDW8OUHNRWY86PPVrQoWY3uwSbIVxs/mv9XJx oH/NdZm46Amyns74QH6IuPcCk055P1xF8f37JaSzrn+AA9vJCicqH8fnOSG7mSXs6W+or+1tJ5zL Npqjj+IuXyWOcTB0/W3loQYrPxdYIieY2DuSPRmXvpC4Z3LjMnOSvO4Q87V2ayUuPIdhO2w6Ltr3 /k6qRfSnyAcvhomTnf55nzn/Pl3urhbB/sx8VypzJZg/76nLCSxrS4XuDU8ORagQA99GeeuqFgLu fdMhNgr5m/QE6tworB9ptU8CHkhizUgIZxCd4A== )`
	RRSIG=20326 and DNSKEY=20326/SEP verifies the DNSKEY RRset
	DNSKEY=57780 is now in the chain-of-trust
	Query to c.root-servers.net for uni-koeln.de/A
	Received 746 bytes from 192.33.4.12
	;; Response received from [192.33.4.12] 746 octets ;; HEADER SECTION ;; id = 33136 ;; 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": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; uni-koeln.de. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (8 records) de. 172800 IN NS l.de.net. de. 172800 IN NS z.nic.de. de. 172800 IN NS s.de.net. de. 172800 IN NS f.nic.de. de. 172800 IN NS a.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 20260825170000 20260812160000 57780 . bwcbtVOR/FNIc7wnynnncnqUTj5qcscezNBWv/CmAQ/Wy1azpslgNcWgqJksCmNnBAKGiHy8DY82 m7uFP2BF8Nj0bSRWEnibatXwfPQbsDildj+tVf6lgxZJdm/w7e7hkpmPQtVnBeoJtDlZI9HqZyvL gns+atXVlHXtvqN4Xq8ljd9hjll1Uhod8uUx6clMOMcVGc23oFlVvK3A5nHwn3M85rdF0i7ZUj0L OMFupieWgdiRFewPdkro6BhF7AOSGjwaJLBQvQRo968013y9za6evBuYYnCl0nbVduZYgGz0G3Bg xsQnnaKYze6ceHsuAm+eJCb4pB47u9bju6gPsg== ) ;; ADDITIONAL SECTION (13 records) a.nic.de. 172800 IN A 194.0.0.53 f.nic.de. 172800 IN A 81.91.164.5 z.nic.de. 172800 IN A 194.246.96.1 s.de.net. 172800 IN A 195.243.137.26 n.de.net. 172800 IN A 194.146.107.6 l.de.net. 172800 IN A 77.67.63.105 a.nic.de. 172800 IN AAAA 2001:678:2::53 f.nic.de. 172800 IN AAAA 2a02:568:0:2::53 z.nic.de. 172800 IN AAAA 2a02:568:fe02::de s.de.net. 172800 IN AAAA 2003:8:14::53 n.de.net. 172800 IN AAAA 2001:67c:1011:1::53 l.de.net. 172800 IN AAAA 2001:668:1f:11::105 ;; { "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 = 15904 ;; 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 20260825170000 20260812160000 57780 . bwcbtVOR/FNIc7wnynnncnqUTj5qcscezNBWv/CmAQ/Wy1azpslgNcWgqJksCmNnBAKGiHy8DY82 m7uFP2BF8Nj0bSRWEnibatXwfPQbsDildj+tVf6lgxZJdm/w7e7hkpmPQtVnBeoJtDlZI9HqZyvL gns+atXVlHXtvqN4Xq8ljd9hjll1Uhod8uUx6clMOMcVGc23oFlVvK3A5nHwn3M85rdF0i7ZUj0L OMFupieWgdiRFewPdkro6BhF7AOSGjwaJLBQvQRo968013y9za6evBuYYnCl0nbVduZYgGz0G3Bg xsQnnaKYze6ceHsuAm+eJCb4pB47u9bju6gPsg== ) ;; 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 e.root-servers.net for de/DS
	Received 366 bytes from 192.203.230.10
	;; Response received from [192.203.230.10] 366 octets ;; HEADER SECTION ;; id = 43196 ;; 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 20260825170000 20260812160000 57780 . bwcbtVOR/FNIc7wnynnncnqUTj5qcscezNBWv/CmAQ/Wy1azpslgNcWgqJksCmNnBAKGiHy8DY82 m7uFP2BF8Nj0bSRWEnibatXwfPQbsDildj+tVf6lgxZJdm/w7e7hkpmPQtVnBeoJtDlZI9HqZyvL gns+atXVlHXtvqN4Xq8ljd9hjll1Uhod8uUx6clMOMcVGc23oFlVvK3A5nHwn3M85rdF0i7ZUj0L OMFupieWgdiRFewPdkro6BhF7AOSGjwaJLBQvQRo968013y9za6evBuYYnCl0nbVduZYgGz0G3Bg xsQnnaKYze6ceHsuAm+eJCb4pB47u9bju6gPsg== ) ;; 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 20260825170000 20260812160000 57780 . bwcbtVOR/FNIc7wnynnncnqUTj5qcscezNBWv/CmAQ/Wy1azpslgNcWgqJksCmNnBAKGiHy8DY82 m7uFP2BF8Nj0bSRWEnibatXwfPQbsDildj+tVf6lgxZJdm/w7e7hkpmPQtVnBeoJtDlZI9HqZyvL gns+atXVlHXtvqN4Xq8ljd9hjll1Uhod8uUx6clMOMcVGc23oFlVvK3A5nHwn3M85rdF0i7ZUj0L OMFupieWgdiRFewPdkro6BhF7AOSGjwaJLBQvQRo968013y9za6evBuYYnCl0nbVduZYgGz0G3Bg xsQnnaKYze6ceHsuAm+eJCb4pB47u9bju6gPsg== )`
	RRSIG=57780 and DNSKEY=57780 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 745 bytes from 77.67.63.105
	;; Response received from [77.67.63.105] 745 octets ;; HEADER SECTION ;; id = 2993 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 3 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1452, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; de. IN DNSKEY ;; ANSWER SECTION (3 records) de. 3600 IN DNSKEY ( 256 3 8 AwEAAbTe1PJi8EgIudNGb+KRTxBL2aCu5rXkZ+aIe/TC88pwRdrXYeXODp1ihZWFop5CrbWRBLrk /YUPBE8aBc6oJP+58dSkdMLYkjSkmvdvYx+zXnRLWlF2bapxvZxshATJDfGjGbCiWxKEOoyRx3Uh ICtHC+cUSddsEvzfacUcBb6n ) ; keytag 32911 de. 3600 IN DNSKEY ( 257 3 8 AwEAAbWUSd/QN9Ae543xzdiacY6qbjwtZ21QfmdgxRdm4Z7bjjHWy249uqxCyjjjoS4LDoRDKmj7 ElffMKvTWKE1qFKu0p8TUy4wyhX0M+m5FUjvQ3CiZMi+qY7GSHA5B+Zd73cidmnTeb3e8lso6jEs Xg05/VZ2AyAqWF6FexEIFxIqiwwLk4UP0BwZ17Ur3q1qx9VSbPMyHgQ9d6nHUN1EEJsTDA2v0vKu msUyp74ZanRZ/bB/6IzpaaZyr5BLF5pSCNdbRNjVmkwYD0993vm79LueyOeibsoHRc16jhALrIJo u1PFjdq7YQsYN0KtqRiJtaAfPprDBREpeamPuW/MnW0= ) ; keytag 26755 de. 3600 IN RRSIG ( DNSKEY 8 1 3600 20260826102931 20260812085931 26755 de. df0KtJOzKzbbFy6OWgp4/Ouid991i5dIfSkWwolOeIE5rUrdUDzkO4SUHo6u8/ozj7pTcVpM6pAB YZjnkU2gbLpx5IGV2ayeRpvWnnuX9UAg8xmPMm8kfjRNQL2t85X/HLntIIG2u6Cxrn73QJM/RDIT hrpSjhHJ4Hdn266C0Pvoe1+5xYN/aCc+vESrGhQoJNATa9k1CeklKV6qIi93y17ad8+xuy6ZWC7p enV0dpGMSMhF1rAexnAwurn67mrgy7L2z5KUL1f8RNrXIyPF+qYg9qS/UkQt02DYk3eVNf6BuW0k gqMiG4s2aNFEGw5gdqXWAJ2cenJ59HpQ+3NN6A== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 2 DNSKEY records for de
	`de. 3600 IN DNSKEY ( 256 3 8 AwEAAbTe1PJi8EgIudNGb+KRTxBL2aCu5rXkZ+aIe/TC88pwRdrXYeXODp1ihZWFop5CrbWRBLrk /YUPBE8aBc6oJP+58dSkdMLYkjSkmvdvYx+zXnRLWlF2bapxvZxshATJDfGjGbCiWxKEOoyRx3Uh ICtHC+cUSddsEvzfacUcBb6n ) ; keytag 32911`
	`de. 3600 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. 3600 IN RRSIG ( DNSKEY 8 1 3600 20260826102931 20260812085931 26755 de. df0KtJOzKzbbFy6OWgp4/Ouid991i5dIfSkWwolOeIE5rUrdUDzkO4SUHo6u8/ozj7pTcVpM6pAB YZjnkU2gbLpx5IGV2ayeRpvWnnuX9UAg8xmPMm8kfjRNQL2t85X/HLntIIG2u6Cxrn73QJM/RDIT hrpSjhHJ4Hdn266C0Pvoe1+5xYN/aCc+vESrGhQoJNATa9k1CeklKV6qIi93y17ad8+xuy6ZWC7p enV0dpGMSMhF1rAexnAwurn67mrgy7L2z5KUL1f8RNrXIyPF+qYg9qS/UkQt02DYk3eVNf6BuW0k gqMiG4s2aNFEGw5gdqXWAJ2cenJ59HpQ+3NN6A== )`
	RRSIG=26755 and DNSKEY=26755/SEP verifies the DNSKEY RRset
	DNSKEY=32911 is now in the chain-of-trust
	Query to n.de.net for uni-koeln.de/A
	Received 680 bytes from 194.146.107.6
	;; Response received from [194.146.107.6] 680 octets ;; HEADER SECTION ;; id = 36083 ;; 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": 4096, ;; "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. a0d5d1p51kijsevll74k523htmq406bk.de. 7200 IN NSEC3 ( 1 1 0 - a0d5f6vetkd4he1ug3njgf20u4qmciaq NS SOA RRSIG DNSKEY NSEC3PARAM ) a0d5d1p51kijsevll74k523htmq406bk.de. 7200 IN RRSIG ( NSEC3 8 2 7200 20260826102931 20260812085931 32911 de. CSG0CTejQAoaJqR9e5pywDTuRPCve9GKSsXZI8kaupNNzbELvuRwhHw0BrNgXkqHJQ017B7dffyv 2Lxj+MTXzpXb88cEvzskxrY9BR0x0ZpuH6x1qwj9hWD7DwdMRLEd9JTv9ZAqvRJq1nobhCxRRR3V QOzIHnOX74ZzLIm1FFY= ) 7l00v27320t37s6qgmpp0487djd6i199.de. 7200 IN NSEC3 ( 1 1 0 - 7l02uh2407v1gsddmpqkt7jfo6d2iimq NS DS RRSIG ) 7l00v27320t37s6qgmpp0487djd6i199.de. 7200 IN RRSIG ( NSEC3 8 2 7200 20260826102931 20260812085931 32911 de. b2Ib/eJCq1KIc//S1oZ3hTIILTzB1rP5o+CbU0nJUh1IPSApP0sHNGmFxxJNjBAvevmMwKr7BVP/ RbCnJ6h/TPKgUX4D994L+Oi8ngse7OxY3ity9t8IaYOyjEvYG2AsS3lXGQqBN2KOOLshgw4BBCzF i+10gbml8s9bkcwCx4M= ) ;; 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 }
	Query to f.nic.de for uni-koeln.de/DNSKEY
	Received 704 bytes from 81.91.164.5
	;; Response received from [81.91.164.5] 704 octets ;; HEADER SECTION ;; id = 44880 ;; 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 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. a0d5d1p51kijsevll74k523htmq406bk.de. 7200 IN NSEC3 ( 1 1 0 - a0d5f6vetkd4he1ug3njgf20u4qmciaq NS SOA RRSIG DNSKEY NSEC3PARAM ) 7l00v27320t37s6qgmpp0487djd6i199.de. 7200 IN NSEC3 ( 1 1 0 - 7l02uh2407v1gsddmpqkt7jfo6d2iimq NS DS RRSIG ) a0d5d1p51kijsevll74k523htmq406bk.de. 7200 IN RRSIG ( NSEC3 8 2 7200 20260826102931 20260812085931 32911 de. CSG0CTejQAoaJqR9e5pywDTuRPCve9GKSsXZI8kaupNNzbELvuRwhHw0BrNgXkqHJQ017B7dffyv 2Lxj+MTXzpXb88cEvzskxrY9BR0x0ZpuH6x1qwj9hWD7DwdMRLEd9JTv9ZAqvRJq1nobhCxRRR3V QOzIHnOX74ZzLIm1FFY= ) 7l00v27320t37s6qgmpp0487djd6i199.de. 7200 IN RRSIG ( NSEC3 8 2 7200 20260826102931 20260812085931 32911 de. b2Ib/eJCq1KIc//S1oZ3hTIILTzB1rP5o+CbU0nJUh1IPSApP0sHNGmFxxJNjBAvevmMwKr7BVP/ RbCnJ6h/TPKgUX4D994L+Oi8ngse7OxY3ity9t8IaYOyjEvYG2AsS3lXGQqBN2KOOLshgw4BBCzF i+10gbml8s9bkcwCx4M= ) ;; 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 }
	Found child zone uni-koeln.de

uni-koeln.de

	Checking DS between de and uni-koeln.de
	Query to l.de.net for uni-koeln.de/DS
	Received 749 bytes from 77.67.63.105
	;; Response received from [77.67.63.105] 749 octets ;; HEADER SECTION ;; id = 39929 ;; 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. 1786557655 ;serial 7200 ;refresh 7200 ;retry 3600000 ;expire 7200 ;minimum ) a0d5d1p51kijsevll74k523htmq406bk.de. 7200 IN NSEC3 ( 1 1 0 - a0d5f6vetkd4he1ug3njgf20u4qmciaq NS SOA RRSIG DNSKEY NSEC3PARAM ) 7l00v27320t37s6qgmpp0487djd6i199.de. 7200 IN NSEC3 ( 1 1 0 - 7l02uh2407v1gsddmpqkt7jfo6d2iimq NS DS RRSIG ) de. 7200 IN RRSIG ( SOA 8 1 86400 20260826180057 20260812163057 32911 de. aZJdBjqKuzbsISWr425GAgve23bZo4pY0WXQxi2V+4+IBClo2xuoMs793ck/XC593kL+KQg3G0m+ 8j3nXUnIVbtBOc18s0o8wizEitz7H53ArUnPBi5qiBhVH9RDYISzMKG+tP1/g7gA7ZdHitOYgRV4 qZwYPnVL0xlSpsUfIko= ) a0d5d1p51kijsevll74k523htmq406bk.de. 7200 IN RRSIG ( NSEC3 8 2 7200 20260826102931 20260812085931 32911 de. CSG0CTejQAoaJqR9e5pywDTuRPCve9GKSsXZI8kaupNNzbELvuRwhHw0BrNgXkqHJQ017B7dffyv 2Lxj+MTXzpXb88cEvzskxrY9BR0x0ZpuH6x1qwj9hWD7DwdMRLEd9JTv9ZAqvRJq1nobhCxRRR3V QOzIHnOX74ZzLIm1FFY= ) 7l00v27320t37s6qgmpp0487djd6i199.de. 7200 IN RRSIG ( NSEC3 8 2 7200 20260826102931 20260812085931 32911 de. b2Ib/eJCq1KIc//S1oZ3hTIILTzB1rP5o+CbU0nJUh1IPSApP0sHNGmFxxJNjBAvevmMwKr7BVP/ RbCnJ6h/TPKgUX4D994L+Oi8ngse7OxY3ity9t8IaYOyjEvYG2AsS3lXGQqBN2KOOLshgw4BBCzF i+10gbml8s9bkcwCx4M= ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	No DS records found for uni-koeln.de in the de zone
	Query to mail1.rrz.uni-koeln.de for uni-koeln.de/DNSKEY
	Received 109 bytes from 134.95.100.208
	;; Response received from [134.95.100.208] 109 octets ;; HEADER SECTION ;; id = 25933 ;; 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. 2026081201 ;serial 10800 ;refresh 3600 ;retry 2419200 ;expire 3600 ;minimum ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	No DNSKEY records found
	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 = 64077 ;; 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 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 = 42579 ;; 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. 2026081201 ;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 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 = 56091 ;; 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. 2026081201 ;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 mail1.rrz.uni-koeln.de. uni-koeln.de. 10800 IN NS dns-1.dfn.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 }
	Query to ns2.netcologne.de for uni-koeln.de/SOA
	Received 97 bytes from 194.8.194.71
	;; Response received from [194.8.194.71] 97 octets ;; HEADER SECTION ;; id = 33213 ;; 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 SOA ;; ANSWER SECTION (1 record) uni-koeln.de. 10800 IN SOA ( noc2.rrz.uni-koeln.de. hostmaster.uni-koeln.de. 2026081201 ;serial 10800 ;refresh 3600 ;retry 2419200 ;expire 3600 ;minimum ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to dns-1.dfn.de for uni-koeln.de/A
	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 = 54357 ;; 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 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. uni-koeln.de. 10800 IN NS ns2.netcologne.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
	uni-koeln.de A RR has value 134.95.81.52
	No RRSIGs found

uni-koeln.de

	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 = 13536 ;; 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 ns2.netcologne.de for uni-koeln.de/A
	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 = 48410 ;; 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 ns2.netcologne.de. uni-koeln.de. 10800 IN NS dns-1.dfn.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
	uni-koeln.de A RR has value 134.95.81.52
	No RRSIGs found

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