DNSSEC Debugger

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Time: 2026-07-21 13:14:34 UTC

Analyzing DNSSEC problems for sdu.dk

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 g.root-servers.net for ./DNSKEY
	Received 1141 bytes from 192.112.36.4
	;; Response received from [192.112.36.4] 1141 octets ;; HEADER SECTION ;; id = 5941 ;; 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) ;; . 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 f.root-servers.net for sdu.dk/A
	Received 734 bytes from 192.5.5.241
	;; Response received from [192.5.5.241] 734 octets ;; HEADER SECTION ;; id = 47252 ;; 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": 1472, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; sdu.dk. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (8 records) dk. 172800 IN NS b.nic.dk. dk. 172800 IN NS c.nic.dk. dk. 172800 IN NS h.nic.dk. dk. 172800 IN NS l.nic.dk. dk. 172800 IN NS s.nic.dk. dk. 172800 IN NS t.nic.dk. dk. 86400 IN DS ( 16874 13 2 9d898937029910c5b35c07d1af5e97c7df900c134b109bcb77037c3a1a15b456 ) dk. 86400 IN RRSIG ( DS 8 1 86400 20260803050000 20260721040000 57780 . L29HhSqYBKfh+vjvarh+8kRHyQLFqpanvTX/j4RWuD5vJeaAQjdieYiZF1FEaF1QGz+havX+4LUE tOD+r5ntd6bPkpuhIE791lNZYHFf3/xuJNdLI91hCzxiikUBB1b7TeLD+Ri0WJU4PfRdQM8tqveu Dn+cFaRLgbvtNMZnTvwl8jxEZQYA75xserqjLbWe6jxYMaX5rcx4k2ZdZRp9O6JK3r/OXjMFe/cS CvfzlGkQmecQmmURWXS2bNSlMFZ1yF1bEQ4f8pYnDo2Sczk4KYjW40Rs2M9k5tKtU5ybNItgGZBY sQXiNXZ8S7EqVbwAEtM212bzJFs1CEtoJvC8Sg== ) ;; ADDITIONAL SECTION (13 records) b.nic.dk. 172800 IN A 193.163.102.222 b.nic.dk. 172800 IN AAAA 2a01:630:0:80::53 c.nic.dk. 172800 IN A 185.159.199.45 c.nic.dk. 172800 IN AAAA 2620:10a:80ac::45 h.nic.dk. 172800 IN A 46.30.126.214 h.nic.dk. 172800 IN AAAA 2a00:1b18:1:2::53 l.nic.dk. 172800 IN A 130.226.213.138 l.nic.dk. 172800 IN AAAA 2001:878:0:e000:82:e2:d5:8a s.nic.dk. 172800 IN A 194.0.28.7 s.nic.dk. 172800 IN AAAA 2001:678:2c:0:194:0:28:7 t.nic.dk. 172800 IN A 185.43.134.16 t.nic.dk. 172800 IN AAAA 2001:148f:fffd::16 ;; { "EDNS-VERSION": 0 }
	Query to b.root-servers.net for dk/DNSKEY
	Received 730 bytes from 170.247.170.2
	;; Response received from [170.247.170.2] 730 octets ;; HEADER SECTION ;; id = 30686 ;; 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) ;; dk. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (8 records) dk. 172800 IN NS b.nic.dk. dk. 172800 IN NS c.nic.dk. dk. 172800 IN NS h.nic.dk. dk. 172800 IN NS l.nic.dk. dk. 172800 IN NS s.nic.dk. dk. 172800 IN NS t.nic.dk. dk. 86400 IN DS ( 16874 13 2 9d898937029910c5b35c07d1af5e97c7df900c134b109bcb77037c3a1a15b456 ) dk. 86400 IN RRSIG ( DS 8 1 86400 20260803050000 20260721040000 57780 . L29HhSqYBKfh+vjvarh+8kRHyQLFqpanvTX/j4RWuD5vJeaAQjdieYiZF1FEaF1QGz+havX+4LUE tOD+r5ntd6bPkpuhIE791lNZYHFf3/xuJNdLI91hCzxiikUBB1b7TeLD+Ri0WJU4PfRdQM8tqveu Dn+cFaRLgbvtNMZnTvwl8jxEZQYA75xserqjLbWe6jxYMaX5rcx4k2ZdZRp9O6JK3r/OXjMFe/cS CvfzlGkQmecQmmURWXS2bNSlMFZ1yF1bEQ4f8pYnDo2Sczk4KYjW40Rs2M9k5tKtU5ybNItgGZBY sQXiNXZ8S7EqVbwAEtM212bzJFs1CEtoJvC8Sg== ) ;; ADDITIONAL SECTION (13 records) b.nic.dk. 172800 IN A 193.163.102.222 b.nic.dk. 172800 IN AAAA 2a01:630:0:80::53 c.nic.dk. 172800 IN A 185.159.199.45 c.nic.dk. 172800 IN AAAA 2620:10a:80ac::45 h.nic.dk. 172800 IN A 46.30.126.214 h.nic.dk. 172800 IN AAAA 2a00:1b18:1:2::53 l.nic.dk. 172800 IN A 130.226.213.138 l.nic.dk. 172800 IN AAAA 2001:878:0:e000:82:e2:d5:8a s.nic.dk. 172800 IN A 194.0.28.7 s.nic.dk. 172800 IN AAAA 2001:678:2c:0:194:0:28:7 t.nic.dk. 172800 IN A 185.43.134.16 t.nic.dk. 172800 IN AAAA 2001:148f:fffd::16 ;; { "EDNS-VERSION": 0 }
	Found child zone dk

	Checking DS between . and dk
	Query to c.root-servers.net for dk/DS
	Received 366 bytes from 192.33.4.12
	;; Response received from [192.33.4.12] 366 octets ;; HEADER SECTION ;; id = 20076 ;; 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) ;; dk. IN DS ;; ANSWER SECTION (2 records) dk. 86400 IN DS ( 16874 13 2 9d898937029910c5b35c07d1af5e97c7df900c134b109bcb77037c3a1a15b456 ) dk. 86400 IN RRSIG ( DS 8 1 86400 20260803050000 20260721040000 57780 . L29HhSqYBKfh+vjvarh+8kRHyQLFqpanvTX/j4RWuD5vJeaAQjdieYiZF1FEaF1QGz+havX+4LUE tOD+r5ntd6bPkpuhIE791lNZYHFf3/xuJNdLI91hCzxiikUBB1b7TeLD+Ri0WJU4PfRdQM8tqveu Dn+cFaRLgbvtNMZnTvwl8jxEZQYA75xserqjLbWe6jxYMaX5rcx4k2ZdZRp9O6JK3r/OXjMFe/cS CvfzlGkQmecQmmURWXS2bNSlMFZ1yF1bEQ4f8pYnDo2Sczk4KYjW40Rs2M9k5tKtU5ybNItgGZBY sQXiNXZ8S7EqVbwAEtM212bzJFs1CEtoJvC8Sg== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 1 DS records for dk in the . zone
	DS=16874/SHA-256 has algorithm ECDSAP256SHA256
	Found 1 RRSIGs over DS RRset
	`dk. 86400 IN RRSIG ( DS 8 1 86400 20260803050000 20260721040000 57780 . L29HhSqYBKfh+vjvarh+8kRHyQLFqpanvTX/j4RWuD5vJeaAQjdieYiZF1FEaF1QGz+havX+4LUE tOD+r5ntd6bPkpuhIE791lNZYHFf3/xuJNdLI91hCzxiikUBB1b7TeLD+Ri0WJU4PfRdQM8tqveu Dn+cFaRLgbvtNMZnTvwl8jxEZQYA75xserqjLbWe6jxYMaX5rcx4k2ZdZRp9O6JK3r/OXjMFe/cS CvfzlGkQmecQmmURWXS2bNSlMFZ1yF1bEQ4f8pYnDo2Sczk4KYjW40Rs2M9k5tKtU5ybNItgGZBY sQXiNXZ8S7EqVbwAEtM212bzJFs1CEtoJvC8Sg== )`
	RRSIG=57780 and DNSKEY=57780 verifies the DS RRset
	DS=16874/SHA-256 is now in the chain-of-trust
	`dk. 86400 IN DS ( 16874 13 2 9d898937029910c5b35c07d1af5e97c7df900c134b109bcb77037c3a1a15b456 )`
	Query to b.nic.dk for dk/DNSKEY
	Received 289 bytes from 193.163.102.222
	;; Response received from [193.163.102.222] 289 octets ;; HEADER SECTION ;; id = 8794 ;; 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": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; dk. IN DNSKEY ;; ANSWER SECTION (3 records) dk. 86400 IN DNSKEY ( 257 3 13 Kp+GrX16DNvq9Z3AhS8VDbGRuQ1XebH9sUDWl2p3RhEyeBAYePi3kB8CDGTngZAgH9Z/azcKsX+T 9g66tMk9Zw== ) ; keytag 16874 dk. 86400 IN DNSKEY ( 256 3 13 I/PtcclcSc51CEuKwkexZ1Sy8BcxPv2+/HQFWL2ehqXt7+mnWHmC3V7xun5L3LYu15R1EXw53wxU iZstWHPneQ== ) ; keytag 48306 dk. 86400 IN RRSIG ( DNSKEY 13 1 86400 20260812213839 20260715200839 16874 dk. TeH7oIc0nThUTzVBDks03o6DVI4Glb1DbvSLzu9ZcgzIbcuuzc/+WAFRbdBsOQSw1GwOhAJInihX Gqjalp85Kw== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 2 DNSKEY records for dk
	`dk. 86400 IN DNSKEY ( 257 3 13 Kp+GrX16DNvq9Z3AhS8VDbGRuQ1XebH9sUDWl2p3RhEyeBAYePi3kB8CDGTngZAgH9Z/azcKsX+T 9g66tMk9Zw== ) ; keytag 16874`
	`dk. 86400 IN DNSKEY ( 256 3 13 I/PtcclcSc51CEuKwkexZ1Sy8BcxPv2+/HQFWL2ehqXt7+mnWHmC3V7xun5L3LYu15R1EXw53wxU iZstWHPneQ== ) ; keytag 48306`
	DNSKEY=16874/SEP is now in the chain-of-trust
	DS=16874/SHA-256 verifies DNSKEY=16874/SEP
	Found 1 RRSIGs over DNSKEY RRset
	`dk. 86400 IN RRSIG ( DNSKEY 13 1 86400 20260812213839 20260715200839 16874 dk. TeH7oIc0nThUTzVBDks03o6DVI4Glb1DbvSLzu9ZcgzIbcuuzc/+WAFRbdBsOQSw1GwOhAJInihX Gqjalp85Kw== )`
	RRSIG=16874 and DNSKEY=16874/SEP verifies the DNSKEY RRset
	DNSKEY=48306 is now in the chain-of-trust
	Query to b.nic.dk for sdu.dk/A
	Received 283 bytes from 193.163.102.222
	;; Response received from [193.163.102.222] 283 octets ;; HEADER SECTION ;; id = 19950 ;; 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 = 4 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; sdu.dk. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (5 records) sdu.dk. 86400 IN NS ns3.sdu.dk. sdu.dk. 86400 IN NS ns1.sdu.dk. sdu.dk. 86400 IN NS ns2.sdu.dk. sdu.dk. 7200 IN DS ( 12715 13 2 4c079f9f93968163ddb0fa7b06789045f02544b04752a9271907344702987ed7 ) sdu.dk. 7200 IN RRSIG ( DS 13 2 7200 20260817203839 20260720190839 48306 dk. YkclPsOoMthqy8DbD9TBgYZX4kTqm+H9KFFi+9HJ552fPj+rDliWLLaKReZfPywYy0eg+Zyee02A R2+fYj07Og== ) ;; ADDITIONAL SECTION (4 records) ns1.sdu.dk. 86400 IN A 130.225.155.136 ns2.sdu.dk. 86400 IN A 130.225.155.148 ns3.sdu.dk. 86400 IN A 193.163.227.4 ;; { "EDNS-VERSION": 0 }
	Query to b.nic.dk for sdu.dk/DNSKEY
	Received 283 bytes from 193.163.102.222
	;; Response received from [193.163.102.222] 283 octets ;; HEADER SECTION ;; id = 19018 ;; 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 = 4 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; sdu.dk. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (5 records) sdu.dk. 86400 IN NS ns2.sdu.dk. sdu.dk. 86400 IN NS ns1.sdu.dk. sdu.dk. 86400 IN NS ns3.sdu.dk. sdu.dk. 7200 IN DS ( 12715 13 2 4c079f9f93968163ddb0fa7b06789045f02544b04752a9271907344702987ed7 ) sdu.dk. 7200 IN RRSIG ( DS 13 2 7200 20260817203839 20260720190839 48306 dk. YkclPsOoMthqy8DbD9TBgYZX4kTqm+H9KFFi+9HJ552fPj+rDliWLLaKReZfPywYy0eg+Zyee02A R2+fYj07Og== ) ;; ADDITIONAL SECTION (4 records) ns1.sdu.dk. 86400 IN A 130.225.155.136 ns2.sdu.dk. 86400 IN A 130.225.155.148 ns3.sdu.dk. 86400 IN A 193.163.227.4 ;; { "EDNS-VERSION": 0 }
	Found child zone sdu.dk

sdu.dk

	Checking DS between dk and sdu.dk
	Query to c.nic.dk for sdu.dk/DS
	Received 181 bytes from 185.159.199.45
	;; Response received from [185.159.199.45] 181 octets ;; HEADER SECTION ;; id = 25823 ;; 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) ;; sdu.dk. IN DS ;; ANSWER SECTION (2 records) sdu.dk. 7200 IN DS ( 12715 13 2 4c079f9f93968163ddb0fa7b06789045f02544b04752a9271907344702987ed7 ) sdu.dk. 7200 IN RRSIG ( DS 13 2 7200 20260817203839 20260720190839 48306 dk. YkclPsOoMthqy8DbD9TBgYZX4kTqm+H9KFFi+9HJ552fPj+rDliWLLaKReZfPywYy0eg+Zyee02A R2+fYj07Og== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 1 DS records for sdu.dk in the dk zone
	DS=12715/SHA-256 has algorithm ECDSAP256SHA256
	Found 1 RRSIGs over DS RRset
	`sdu.dk. 7200 IN RRSIG ( DS 13 2 7200 20260817203839 20260720190839 48306 dk. YkclPsOoMthqy8DbD9TBgYZX4kTqm+H9KFFi+9HJ552fPj+rDliWLLaKReZfPywYy0eg+Zyee02A R2+fYj07Og== )`
	RRSIG=48306 and DNSKEY=48306 verifies the DS RRset
	DS=12715/SHA-256 is now in the chain-of-trust
	`sdu.dk. 7200 IN DS ( 12715 13 2 4c079f9f93968163ddb0fa7b06789045f02544b04752a9271907344702987ed7 )`
	Query to ns1.sdu.dk for sdu.dk/DNSKEY
	Received 479 bytes from 130.225.155.136
	;; Response received from [130.225.155.136] 479 octets ;; HEADER SECTION ;; id = 40602 ;; 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": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; sdu.dk. IN DNSKEY ;; ANSWER SECTION (5 records) sdu.dk. 1296000 IN DNSKEY ( 256 3 13 6XflPhUQ2cbAYbpxLsjSrNFKkvBXiw2+BFgniq3HQHAv6XIewOaIqfoSHeCEWjQKaflASWq9jhOA +rYekdv1jA== ) ; keytag 16135 sdu.dk. 1296000 IN DNSKEY ( 257 3 13 8cpAXhKPV4FE6D6QxKuKXfv7u0Bv1Cv4hB4u8enA9qxutbZMTz9b1ZYPlgSGuYCS/OogTUSQpg6+ LiPEOCyy7Q== ) ; keytag 12715 sdu.dk. 1296000 IN DNSKEY ( 256 3 13 hoXDZPDGitQUvfPubW5TgH9th6rrv0t7AftcDyDzuj/MWsfs+0SBa/izWbl6KL9R/P5tm+/81BQh D28PgpCm8w== ) ; keytag 36844 sdu.dk. 1296000 IN RRSIG ( DNSKEY 13 2 1296000 20260814220256 20260715211859 12715 sdu.dk. R7/mNE5TpnTgBriGCZf7+o3yi5HUxf5QXJVA7SI+0wImNfU8T6jnd/+8mNSQrj+/8dySTxTrNjQz pvRpOapHyA== ) sdu.dk. 1296000 IN RRSIG ( DNSKEY 13 2 1296000 20260814220256 20260715211859 16135 sdu.dk. 3t9ommt7uRv3mfglOwzdq7OJoMA6bwVvI182KytbISXcmaP22VeqFmAq7ljMMKLyFRMALtx0CFdf 9BIni1sPmw== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 3 DNSKEY records for sdu.dk
	`sdu.dk. 1296000 IN DNSKEY ( 256 3 13 6XflPhUQ2cbAYbpxLsjSrNFKkvBXiw2+BFgniq3HQHAv6XIewOaIqfoSHeCEWjQKaflASWq9jhOA +rYekdv1jA== ) ; keytag 16135`
	`sdu.dk. 1296000 IN DNSKEY ( 257 3 13 8cpAXhKPV4FE6D6QxKuKXfv7u0Bv1Cv4hB4u8enA9qxutbZMTz9b1ZYPlgSGuYCS/OogTUSQpg6+ LiPEOCyy7Q== ) ; keytag 12715`
	`sdu.dk. 1296000 IN DNSKEY ( 256 3 13 hoXDZPDGitQUvfPubW5TgH9th6rrv0t7AftcDyDzuj/MWsfs+0SBa/izWbl6KL9R/P5tm+/81BQh D28PgpCm8w== ) ; keytag 36844`
	DNSKEY=12715/SEP is now in the chain-of-trust
	DS=12715/SHA-256 verifies DNSKEY=12715/SEP
	Found 2 RRSIGs over DNSKEY RRset
	`sdu.dk. 1296000 IN RRSIG ( DNSKEY 13 2 1296000 20260814220256 20260715211859 12715 sdu.dk. R7/mNE5TpnTgBriGCZf7+o3yi5HUxf5QXJVA7SI+0wImNfU8T6jnd/+8mNSQrj+/8dySTxTrNjQz pvRpOapHyA== )`
	`sdu.dk. 1296000 IN RRSIG ( DNSKEY 13 2 1296000 20260814220256 20260715211859 16135 sdu.dk. 3t9ommt7uRv3mfglOwzdq7OJoMA6bwVvI182KytbISXcmaP22VeqFmAq7ljMMKLyFRMALtx0CFdf 9BIni1sPmw== )`
	RRSIG=12715 and DNSKEY=12715/SEP verifies the DNSKEY RRset
	RRSIG=16135 and DNSKEY=16135 verifies the DNSKEY RRset
	DNSKEY=16135 is now in the chain-of-trust
	DNSKEY=36844 is now in the chain-of-trust
	Query to ns3.sdu.dk for sdu.dk/A
	Received 153 bytes from 193.163.227.4
	;; Response received from [193.163.227.4] 153 octets ;; HEADER SECTION ;; id = 59983 ;; 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": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; sdu.dk. IN A ;; ANSWER SECTION (2 records) sdu.dk. 28800 IN A 52.233.201.66 sdu.dk. 28800 IN RRSIG ( A 13 2 28800 20260818014346 20260719013945 16135 sdu.dk. 1zQybMrEd6HVCDO+kmVCx2XIkCRM5G75BZSAnaYftaNFgLlb+mQ//zJDfRAb4Yja7jjtqIjJhaAZ 82Q3A9ZQaQ== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	ns3.sdu.dk is authoritative for sdu.dk
	Found RRSIG signed by sdu.dk zone
	Query to ns1.sdu.dk for sdu.dk/SOA
	Received 181 bytes from 130.225.155.136
	;; Response received from [130.225.155.136] 181 octets ;; HEADER SECTION ;; id = 35898 ;; 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": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; sdu.dk. IN SOA ;; ANSWER SECTION (2 records) sdu.dk. 28800 IN SOA ( ns1.sdu.dk. dns.sdu.dk. 2012292125 ;serial 86400 ;refresh 7200 ;retry 2419200 ;expire 900 ;minimum ) sdu.dk. 28800 IN RRSIG ( SOA 13 2 28800 20260820130146 20260721120146 16135 sdu.dk. 33TQF6iIgKe0bDrRuQPNl1FFrHIKqP25lJKrKRrQng6bYgE0O+WPZct06dzXpZ0l/E5BL9FoZOQj o/8oB7W6qg== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to ns2.sdu.dk for sdu.dk/SOA
	Received 181 bytes from 130.225.155.148
	;; Response received from [130.225.155.148] 181 octets ;; HEADER SECTION ;; id = 26508 ;; 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": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; sdu.dk. IN SOA ;; ANSWER SECTION (2 records) sdu.dk. 28800 IN SOA ( ns1.sdu.dk. dns.sdu.dk. 2012292125 ;serial 86400 ;refresh 7200 ;retry 2419200 ;expire 900 ;minimum ) sdu.dk. 28800 IN RRSIG ( SOA 13 2 28800 20260820130146 20260721120146 16135 sdu.dk. 33TQF6iIgKe0bDrRuQPNl1FFrHIKqP25lJKrKRrQng6bYgE0O+WPZct06dzXpZ0l/E5BL9FoZOQj o/8oB7W6qg== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to ns3.sdu.dk for sdu.dk/A
	sdu.dk A RR has value 52.233.201.66
	Found 1 RRSIGs over A RRset
	`sdu.dk. 28800 IN RRSIG ( A 13 2 28800 20260818014346 20260719013945 16135 sdu.dk. 1zQybMrEd6HVCDO+kmVCx2XIkCRM5G75BZSAnaYftaNFgLlb+mQ//zJDfRAb4Yja7jjtqIjJhaAZ 82Q3A9ZQaQ== )`
	RRSIG=16135 and DNSKEY=16135 verifies the A RRset

sdu.dk

	Query to ns1.sdu.dk for sdu.dk/A
	Received 153 bytes from 130.225.155.136
	;; Response received from [130.225.155.136] 153 octets ;; HEADER SECTION ;; id = 49089 ;; 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": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; sdu.dk. IN A ;; ANSWER SECTION (2 records) sdu.dk. 28800 IN A 52.233.201.66 sdu.dk. 28800 IN RRSIG ( A 13 2 28800 20260818014346 20260719013945 16135 sdu.dk. 1zQybMrEd6HVCDO+kmVCx2XIkCRM5G75BZSAnaYftaNFgLlb+mQ//zJDfRAb4Yja7jjtqIjJhaAZ 82Q3A9ZQaQ== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	ns1.sdu.dk is authoritative for sdu.dk
	Found RRSIG signed by sdu.dk zone
	Query to ns1.sdu.dk for sdu.dk/A
	sdu.dk A RR has value 52.233.201.66
	Found 1 RRSIGs over A RRset
	`sdu.dk. 28800 IN RRSIG ( A 13 2 28800 20260818014346 20260719013945 16135 sdu.dk. 1zQybMrEd6HVCDO+kmVCx2XIkCRM5G75BZSAnaYftaNFgLlb+mQ//zJDfRAb4Yja7jjtqIjJhaAZ 82Q3A9ZQaQ== )`
	RRSIG=16135 and DNSKEY=16135 verifies the A RRset

sdu.dk

	Query to ns2.sdu.dk for sdu.dk/A
	Received 153 bytes from 130.225.155.148
	;; Response received from [130.225.155.148] 153 octets ;; HEADER SECTION ;; id = 48448 ;; 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": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; sdu.dk. IN A ;; ANSWER SECTION (2 records) sdu.dk. 28800 IN A 52.233.201.66 sdu.dk. 28800 IN RRSIG ( A 13 2 28800 20260818014346 20260719013945 16135 sdu.dk. 1zQybMrEd6HVCDO+kmVCx2XIkCRM5G75BZSAnaYftaNFgLlb+mQ//zJDfRAb4Yja7jjtqIjJhaAZ 82Q3A9ZQaQ== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	ns2.sdu.dk is authoritative for sdu.dk
	Found RRSIG signed by sdu.dk zone
	Query to ns2.sdu.dk for sdu.dk/A
	sdu.dk A RR has value 52.233.201.66
	Found 1 RRSIGs over A RRset
	`sdu.dk. 28800 IN RRSIG ( A 13 2 28800 20260818014346 20260719013945 16135 sdu.dk. 1zQybMrEd6HVCDO+kmVCx2XIkCRM5G75BZSAnaYftaNFgLlb+mQ//zJDfRAb4Yja7jjtqIjJhaAZ 82Q3A9ZQaQ== )`
	RRSIG=16135 and DNSKEY=16135 verifies the A RRset

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