DNSSEC Debugger

Domain Name:

Time: 2024-05-13 18:40:22 UTC

Analyzing DNSSEC problems for nic.cz

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 c.root-servers.net for ./DNSKEY
	Received 865 bytes from 192.33.4.12
	;; Response received from [192.33.4.12] 865 octets ;; HEADER SECTION ;; id = 13150 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 3 nscount = 0 arcount = 1 ;; do = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; . IN DNSKEY ;; ANSWER SECTION (3 records) . 172800 IN DNSKEY ( 257 3 8 AwEAAaz/tAm8yTn4Mfeh5eyI96WSVexTBAvkMgJzkKTOiW1vkIbzxeF3+/4RgWOq7HrxRixHlFlE xOLAJr5emLvN7SWXgnLh4+B5xQlNVz8Og8kvArMtNROxVQuCaSnIDdD5LKyWbRd2n9WGe2R8PzgC mr3EgVLrjyBxWezF0jLHwVN8efS3rCj/EWgvIWgb9tarpVUDK/b58Da+sqqls3eNbuv7pr+eoZG+ SrDK6nWeL3c6H5Apxz7LjVc1uTIdsIXxuOLYA4/ilBmSVIzuDWfdRUfhHdY6+cn8HFRm+2hM8AnX GXws9555KrUB5qihylGa8subX2Nn6UwNR1AkUTV74bU= ) ; Key ID = 20326 . 172800 IN DNSKEY ( 256 3 8 AwEAAZBALoOFImwcJJg9Iu7Vy7ZyLjhtXfvO1c9k4vHjOpf9i7U1kKtrBvhnwsOni1sb50gkUayR tMDTUQqvljMMf4bpkyEtcE5evCzhHbFLq1coL5QOix3mfJm++FvIMaAt52nOvAdqR/luuI11bA1A mSCIJKAUx147DcfOHYKg3as+dznn3Iah4cWBMVzDe7PPsFS1AO6gU8EpmiRJ9VMNA09fOyDuq9+d 6sw8UUnJRMAFAuPLhUFjUAOuWOw74BC9lOtMQpbLMz8pX0CDKdOXDHjyj61nxSSWxPdUjeoxI17l QTpSPRtqRHFn5Fgj2e+9BVwhhWGDQN8kUVSJHZtQiI0= ) ; Key ID = 5613 . 172800 IN RRSIG ( DNSKEY 8 0 172800 20240601000000 20240511000000 20326 . OgCibhptSNJS9XS2WD2CXYw0HsdjPXn82iYAtzkE7ma1H2BfchG8nRnFZJ9fbrCjXAhDPnKCkuId 8cuJ2PGuLzy9Q3d4zIt7Ow5o8YkpKGEJB6uVi1BRauxVzKgH7u5QnKf8d1AlKFikFdBHHLaZ97XG ci02qRRm1jpe+aY4sLnKHx1kTJozHJp+Xaml/nCiS4AXrCxNyc4EH2/oraODfaewFIOQjpsAMeAw tPrccpst4ZL/9jmZUdRSs3IHwMk9gvSwpZI0YVBWZocKg96CmQQgq9NNNGhpI5gXXdbP++bu4myT GIx8wR1vjK7nau9GJK+76Bt4bc+1FIfpq4mbSg== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 2 DNSKEY records for .
	`. 172800 IN DNSKEY ( 257 3 8 AwEAAaz/tAm8yTn4Mfeh5eyI96WSVexTBAvkMgJzkKTOiW1vkIbzxeF3+/4RgWOq7HrxRixHlFlE xOLAJr5emLvN7SWXgnLh4+B5xQlNVz8Og8kvArMtNROxVQuCaSnIDdD5LKyWbRd2n9WGe2R8PzgC mr3EgVLrjyBxWezF0jLHwVN8efS3rCj/EWgvIWgb9tarpVUDK/b58Da+sqqls3eNbuv7pr+eoZG+ SrDK6nWeL3c6H5Apxz7LjVc1uTIdsIXxuOLYA4/ilBmSVIzuDWfdRUfhHdY6+cn8HFRm+2hM8AnX GXws9555KrUB5qihylGa8subX2Nn6UwNR1AkUTV74bU= ) ; Key ID = 20326`
	`. 172800 IN DNSKEY ( 256 3 8 AwEAAZBALoOFImwcJJg9Iu7Vy7ZyLjhtXfvO1c9k4vHjOpf9i7U1kKtrBvhnwsOni1sb50gkUayR tMDTUQqvljMMf4bpkyEtcE5evCzhHbFLq1coL5QOix3mfJm++FvIMaAt52nOvAdqR/luuI11bA1A mSCIJKAUx147DcfOHYKg3as+dznn3Iah4cWBMVzDe7PPsFS1AO6gU8EpmiRJ9VMNA09fOyDuq9+d 6sw8UUnJRMAFAuPLhUFjUAOuWOw74BC9lOtMQpbLMz8pX0CDKdOXDHjyj61nxSSWxPdUjeoxI17l QTpSPRtqRHFn5Fgj2e+9BVwhhWGDQN8kUVSJHZtQiI0= ) ; Key ID = 5613`
	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 20240601000000 20240511000000 20326 . OgCibhptSNJS9XS2WD2CXYw0HsdjPXn82iYAtzkE7ma1H2BfchG8nRnFZJ9fbrCjXAhDPnKCkuId 8cuJ2PGuLzy9Q3d4zIt7Ow5o8YkpKGEJB6uVi1BRauxVzKgH7u5QnKf8d1AlKFikFdBHHLaZ97XG ci02qRRm1jpe+aY4sLnKHx1kTJozHJp+Xaml/nCiS4AXrCxNyc4EH2/oraODfaewFIOQjpsAMeAw tPrccpst4ZL/9jmZUdRSs3IHwMk9gvSwpZI0YVBWZocKg96CmQQgq9NNNGhpI5gXXdbP++bu4myT GIx8wR1vjK7nau9GJK+76Bt4bc+1FIfpq4mbSg== )`
	RRSIG=20326 and DNSKEY=20326/SEP verifies the DNSKEY RRset
	DNSKEY=5613 is now in the chain-of-trust
	Query to e.root-servers.net for nic.cz/A
	Received 613 bytes from 192.203.230.10
	;; Response received from [192.203.230.10] 613 octets ;; HEADER SECTION ;; id = 33813 ;; qr = 1 aa = 0 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 0 nscount = 6 arcount = 9 ;; do = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; nic.cz. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (6 records) cz. 172800 IN NS a.ns.nic.cz. cz. 172800 IN NS b.ns.nic.cz. cz. 172800 IN NS c.ns.nic.cz. cz. 172800 IN NS d.ns.nic.cz. cz. 86400 IN DS ( 20237 13 2 cff0f3ecdbc529c1f0031ba1840bfb835853b9209ed1e508fff48451d7b778e2 ) cz. 86400 IN RRSIG ( DS 8 1 86400 20240526050000 20240513040000 5613 . LSM6kyzhYbvx/cX1rJS3QdYnydbbe5SyKHdbi4ekd85Xu6c38FjQVsSGS16ku0pkRuTijQOpGOlA 6tg1PVAVO7OQTKXczH/KjIgMKq2QD4kc8YnQFdoxoXSXjjQsKfENkHnTOshwBg54K9dk7jM7p3om NjNOtPxzYztggctDsMvadMiawi+7hML9ml0TYAjwc5mdB+M8XQ+ygOv6HsYsTC3VC/cZfrUxQnVF KghQTDo6uApiu5/BU65YC3weq+Z+YW4NIinEzQxW6Mzk7F2TGMsaEFAJbe9gZUrsqP6CBHLpAvJe FLeDJ++Jx1JKQY4VHO+IS0iA1FlMb2b64udX3Q== ) ;; ADDITIONAL SECTION (9 records) a.ns.nic.cz. 172800 IN A 194.0.12.1 b.ns.nic.cz. 172800 IN A 194.0.13.1 c.ns.nic.cz. 172800 IN A 194.0.14.1 d.ns.nic.cz. 172800 IN A 193.29.206.1 a.ns.nic.cz. 172800 IN AAAA 2001:678:f::1 b.ns.nic.cz. 172800 IN AAAA 2001:678:10::1 c.ns.nic.cz. 172800 IN AAAA 2001:678:11::1 d.ns.nic.cz. 172800 IN AAAA 2001:678:1::1 ;; { "EDNS-VERSION": 0 }
	Query to b.root-servers.net for cz/DNSKEY
	Received 613 bytes from 170.247.170.2
	;; Response received from [170.247.170.2] 613 octets ;; HEADER SECTION ;; id = 20796 ;; qr = 1 aa = 0 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 0 nscount = 6 arcount = 9 ;; do = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; cz. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (6 records) cz. 172800 IN NS a.ns.nic.cz. cz. 172800 IN NS b.ns.nic.cz. cz. 172800 IN NS c.ns.nic.cz. cz. 172800 IN NS d.ns.nic.cz. cz. 86400 IN DS ( 20237 13 2 cff0f3ecdbc529c1f0031ba1840bfb835853b9209ed1e508fff48451d7b778e2 ) cz. 86400 IN RRSIG ( DS 8 1 86400 20240526050000 20240513040000 5613 . LSM6kyzhYbvx/cX1rJS3QdYnydbbe5SyKHdbi4ekd85Xu6c38FjQVsSGS16ku0pkRuTijQOpGOlA 6tg1PVAVO7OQTKXczH/KjIgMKq2QD4kc8YnQFdoxoXSXjjQsKfENkHnTOshwBg54K9dk7jM7p3om NjNOtPxzYztggctDsMvadMiawi+7hML9ml0TYAjwc5mdB+M8XQ+ygOv6HsYsTC3VC/cZfrUxQnVF KghQTDo6uApiu5/BU65YC3weq+Z+YW4NIinEzQxW6Mzk7F2TGMsaEFAJbe9gZUrsqP6CBHLpAvJe FLeDJ++Jx1JKQY4VHO+IS0iA1FlMb2b64udX3Q== ) ;; ADDITIONAL SECTION (9 records) a.ns.nic.cz. 172800 IN A 194.0.12.1 a.ns.nic.cz. 172800 IN AAAA 2001:678:f::1 b.ns.nic.cz. 172800 IN A 194.0.13.1 b.ns.nic.cz. 172800 IN AAAA 2001:678:10::1 c.ns.nic.cz. 172800 IN A 194.0.14.1 c.ns.nic.cz. 172800 IN AAAA 2001:678:11::1 d.ns.nic.cz. 172800 IN A 193.29.206.1 d.ns.nic.cz. 172800 IN AAAA 2001:678:1::1 ;; { "EDNS-VERSION": 0 }
	Found child zone cz

	Checking DS between . and cz
	Query to f.root-servers.net for cz/DS
	Received 366 bytes from 192.5.5.241
	;; Response received from [192.5.5.241] 366 octets ;; HEADER SECTION ;; id = 22209 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 2 nscount = 0 arcount = 1 ;; do = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1472, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; cz. IN DS ;; ANSWER SECTION (2 records) cz. 86400 IN DS ( 20237 13 2 cff0f3ecdbc529c1f0031ba1840bfb835853b9209ed1e508fff48451d7b778e2 ) cz. 86400 IN RRSIG ( DS 8 1 86400 20240526050000 20240513040000 5613 . LSM6kyzhYbvx/cX1rJS3QdYnydbbe5SyKHdbi4ekd85Xu6c38FjQVsSGS16ku0pkRuTijQOpGOlA 6tg1PVAVO7OQTKXczH/KjIgMKq2QD4kc8YnQFdoxoXSXjjQsKfENkHnTOshwBg54K9dk7jM7p3om NjNOtPxzYztggctDsMvadMiawi+7hML9ml0TYAjwc5mdB+M8XQ+ygOv6HsYsTC3VC/cZfrUxQnVF KghQTDo6uApiu5/BU65YC3weq+Z+YW4NIinEzQxW6Mzk7F2TGMsaEFAJbe9gZUrsqP6CBHLpAvJe FLeDJ++Jx1JKQY4VHO+IS0iA1FlMb2b64udX3Q== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 1 DS records for cz in the . zone
	DS=20237/SHA-256 has algorithm ECDSAP256SHA256
	Found 1 RRSIGs over DS RRset
	`cz. 86400 IN RRSIG ( DS 8 1 86400 20240526050000 20240513040000 5613 . LSM6kyzhYbvx/cX1rJS3QdYnydbbe5SyKHdbi4ekd85Xu6c38FjQVsSGS16ku0pkRuTijQOpGOlA 6tg1PVAVO7OQTKXczH/KjIgMKq2QD4kc8YnQFdoxoXSXjjQsKfENkHnTOshwBg54K9dk7jM7p3om NjNOtPxzYztggctDsMvadMiawi+7hML9ml0TYAjwc5mdB+M8XQ+ygOv6HsYsTC3VC/cZfrUxQnVF KghQTDo6uApiu5/BU65YC3weq+Z+YW4NIinEzQxW6Mzk7F2TGMsaEFAJbe9gZUrsqP6CBHLpAvJe FLeDJ++Jx1JKQY4VHO+IS0iA1FlMb2b64udX3Q== )`
	RRSIG=5613 and DNSKEY=5613 verifies the DS RRset
	DS=20237/SHA-256 is now in the chain-of-trust
	`cz. 86400 IN DS ( 20237 13 2 cff0f3ecdbc529c1f0031ba1840bfb835853b9209ed1e508fff48451d7b778e2 )`
	Query to c.ns.nic.cz for cz/DNSKEY
	Received 289 bytes from 194.0.14.1
	;; Response received from [194.0.14.1] 289 octets ;; HEADER SECTION ;; id = 32102 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 3 nscount = 0 arcount = 1 ;; do = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; cz. IN DNSKEY ;; ANSWER SECTION (3 records) cz. 3600 IN DNSKEY ( 256 3 13 KALPgWyZkkW2mkzwN7LIKbwrbmYX9J0V51g3OWLV5ScyREYJbjYrRWYuQNuayjYgX8KWkRaqo18+ T9YCZk+g7w== ) ; Key ID = 39342 cz. 3600 IN DNSKEY ( 257 3 13 nqzH7xP1QU5UOVy/VvxFSlrB/XgX9JDJzj51PzIj35TXjZTyalTlAT/f7PAfaSD5mEG1N8Vk9NmI 2nxgQqhzDQ== ) ; Key ID = 20237 cz. 3600 IN RRSIG ( DNSKEY 13 1 3600 20240526042134 20240512025134 20237 cz. TWAa6c3lZw7zjDxYCVA3PCmaooRUuNpkmzxjcf0SkHCLWGYNQQcJyt9o71RT/64LuQxHpUSTaz03 W5zBrMolYA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 2 DNSKEY records for cz
	`cz. 3600 IN DNSKEY ( 256 3 13 KALPgWyZkkW2mkzwN7LIKbwrbmYX9J0V51g3OWLV5ScyREYJbjYrRWYuQNuayjYgX8KWkRaqo18+ T9YCZk+g7w== ) ; Key ID = 39342`
	`cz. 3600 IN DNSKEY ( 257 3 13 nqzH7xP1QU5UOVy/VvxFSlrB/XgX9JDJzj51PzIj35TXjZTyalTlAT/f7PAfaSD5mEG1N8Vk9NmI 2nxgQqhzDQ== ) ; Key ID = 20237`
	DNSKEY=20237/SEP is now in the chain-of-trust
	DS=20237/SHA-256 verifies DNSKEY=20237/SEP
	Found 1 RRSIGs over DNSKEY RRset
	`cz. 3600 IN RRSIG ( DNSKEY 13 1 3600 20240526042134 20240512025134 20237 cz. TWAa6c3lZw7zjDxYCVA3PCmaooRUuNpkmzxjcf0SkHCLWGYNQQcJyt9o71RT/64LuQxHpUSTaz03 W5zBrMolYA== )`
	RRSIG=20237 and DNSKEY=20237/SEP verifies the DNSKEY RRset
	DNSKEY=39342 is now in the chain-of-trust
	Query to b.ns.nic.cz for nic.cz/A
	Received 153 bytes from 194.0.13.1
	;; Response received from [194.0.13.1] 153 octets ;; HEADER SECTION ;; id = 31762 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 2 nscount = 0 arcount = 1 ;; do = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; nic.cz. IN A ;; ANSWER SECTION (2 records) nic.cz. 1800 IN A 217.31.205.50 nic.cz. 1800 IN RRSIG ( A 13 2 1800 20240524085553 20240510072553 57089 nic.cz. LW4xWDrwx3b9trrDDO0xMfosnW8JrfY8trOE4JtU5GPH+wFp2ve0aTCLQeox0/LM+dYk2T9hzdId jq8+biB9WA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	b.ns.nic.cz is authoritative for nic.cz
	Query to c.ns.nic.cz for nic.cz/DNSKEY
	Received 297 bytes from 194.0.14.1
	;; Response received from [194.0.14.1] 297 octets ;; HEADER SECTION ;; id = 52525 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 3 nscount = 0 arcount = 1 ;; do = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; nic.cz. IN DNSKEY ;; ANSWER SECTION (3 records) nic.cz. 1800 IN DNSKEY ( 256 3 13 TnQvFXLafwCQ+CZip9sTYlsnyk3/pfL1qL3cxDhxJ0ZV7r6RkMdfGA16i+0sR1Du+nl2r8lLkllm /Mfky28ZkA== ) ; Key ID = 57089 nic.cz. 1800 IN DNSKEY ( 257 3 13 G1RUCjuHpKR1kqx6/aJfRl0GhE5sbWdGY8gVsOOubL62PPULgDbyn69DQOJKvLqBfZTNCjlUp/i4 mNn+Z3sI1w== ) ; Key ID = 37846 nic.cz. 1800 IN RRSIG ( DNSKEY 13 2 1800 20240524102553 20240510085553 37846 nic.cz. /1cVPpaKyOyvefx7XUAb3QjCXBqZpBFcwrF7UzC1Jdz9J1dbtdszSZS4n6cLBOqFiOs/KRv/4ry0 NnwKviwY9A== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found child zone nic.cz
	Attempting to learn nameservers for nic.cz
	Query to b.ns.nic.cz for nic.cz/NS
	Received 932 bytes from 194.0.13.1
	;; Response received from [194.0.13.1] 932 octets ;; HEADER SECTION ;; id = 8530 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 4 nscount = 0 arcount = 13 ;; do = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; nic.cz. IN NS ;; ANSWER SECTION (4 records) nic.cz. 1800 IN NS a.ns.nic.cz. nic.cz. 1800 IN NS b.ns.nic.cz. nic.cz. 1800 IN NS d.ns.nic.cz. nic.cz. 1800 IN RRSIG ( NS 13 2 1800 20240524085553 20240510072553 57089 nic.cz. XW0mqGUP3T6WAaFTgvfxtiPKXOxFXe4hiIiXz+rR0lyYiL0AljZIsLwlfZOakHJbn5cjShnjAS77 cMw11ITypg== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (13 records) a.ns.nic.cz. 1800 IN A 194.0.12.1 a.ns.nic.cz. 1800 IN AAAA 2001:678:f::1 b.ns.nic.cz. 1800 IN A 194.0.13.1 b.ns.nic.cz. 1800 IN AAAA 2001:678:10::1 d.ns.nic.cz. 1800 IN A 193.29.206.1 d.ns.nic.cz. 1800 IN AAAA 2001:678:1::1 a.ns.nic.cz. 1800 IN RRSIG ( A 13 4 1800 20240524085553 20240510072553 57089 nic.cz. nOn6VVhxRGkAJW4kSUBuTVfGwnMe67aU79UGvnhyN0q5CxbKROm8KhVUYEggoJsr0YwYqPQ+BhYC kIw1J7dSug== ) a.ns.nic.cz. 1800 IN RRSIG ( AAAA 13 4 1800 20240524085553 20240510072553 57089 nic.cz. ctVZs9D/UsGfT3/qoBvy4aipAYfwgNMOQTfa4InsvaIMxREOxlBCOwQyPurr6tjR7iBdg25x/8gE lI2m3tvjpA== ) b.ns.nic.cz. 1800 IN RRSIG ( A 13 4 1800 20240524085553 20240510072553 57089 nic.cz. cToNSC6Ahg/tAlSDvl4jT6VNFdKjuVcPP0N5HqswMm10TOYeOl1PHXl+cxxlQskYtYUApoV+C6/7 sAm1DQeypQ== ) b.ns.nic.cz. 1800 IN RRSIG ( AAAA 13 4 1800 20240524085553 20240510072553 57089 nic.cz. l6ldOyJ15UimvkiTUuHY97Io3nw7Us4gqSYeStP8PQ6h4c6CKKV6n+NjpNgMcZin1yarwe9CCEj5 xfj5+VSmrQ== ) d.ns.nic.cz. 1800 IN RRSIG ( A 13 4 1800 20240524085553 20240510072553 57089 nic.cz. 5g4hXt+mINbCjC9/6UJhRZ8CnxlUFFvfOf6M5nX8YaVddK4fKrsLvsu7XzxR3XNIyWgkS80oKQzS v3dzixQcKw== ) d.ns.nic.cz. 1800 IN RRSIG ( AAAA 13 4 1800 20240524085553 20240510072553 57089 nic.cz. 7t+nh6FJPXkuy2Qg/wPKAyna2ygcM7B1gfw4AS8uBLazGc075OrCSnZZYqljlqoXaybBGpH9tgC9 G65Me4R5Og== ) ;; { "EDNS-VERSION": 0 }
	Found nic.cz nameservers: a.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz

nic.cz

	Checking DS between cz and nic.cz
	Query to a.ns.nic.cz for nic.cz/DS
	Received 181 bytes from 194.0.12.1
	;; Response received from [194.0.12.1] 181 octets ;; HEADER SECTION ;; id = 31854 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 2 nscount = 0 arcount = 1 ;; do = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; nic.cz. IN DS ;; ANSWER SECTION (2 records) nic.cz. 3600 IN DS ( 37846 13 2 174370aa2a709f4011af61fb701c011d2493b636ab9afff9d00d3879de924714 ) nic.cz. 3600 IN RRSIG ( DS 13 2 3600 20240522144842 20240508131842 39342 cz. L9aHScORmksZvZFERrRh2awwdUFugZKDkJCYu6Va1zh2hiPQfO2+XY2K/cau4iGOAs5Y3KUZBFeH 9vgAUX9sZw== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 1 DS records for nic.cz in the cz zone
	DS=37846/SHA-256 has algorithm ECDSAP256SHA256
	Found 1 RRSIGs over DS RRset
	`nic.cz. 3600 IN RRSIG ( DS 13 2 3600 20240522144842 20240508131842 39342 cz. L9aHScORmksZvZFERrRh2awwdUFugZKDkJCYu6Va1zh2hiPQfO2+XY2K/cau4iGOAs5Y3KUZBFeH 9vgAUX9sZw== )`
	RRSIG=39342 and DNSKEY=39342 verifies the DS RRset
	DS=37846/SHA-256 is now in the chain-of-trust
	`nic.cz. 3600 IN DS ( 37846 13 2 174370aa2a709f4011af61fb701c011d2493b636ab9afff9d00d3879de924714 )`
	Query to a.ns.nic.cz for nic.cz/DNSKEY
	Received 297 bytes from 194.0.12.1
	;; Response received from [194.0.12.1] 297 octets ;; HEADER SECTION ;; id = 24755 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 3 nscount = 0 arcount = 1 ;; do = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; nic.cz. IN DNSKEY ;; ANSWER SECTION (3 records) nic.cz. 1800 IN DNSKEY ( 256 3 13 TnQvFXLafwCQ+CZip9sTYlsnyk3/pfL1qL3cxDhxJ0ZV7r6RkMdfGA16i+0sR1Du+nl2r8lLkllm /Mfky28ZkA== ) ; Key ID = 57089 nic.cz. 1800 IN DNSKEY ( 257 3 13 G1RUCjuHpKR1kqx6/aJfRl0GhE5sbWdGY8gVsOOubL62PPULgDbyn69DQOJKvLqBfZTNCjlUp/i4 mNn+Z3sI1w== ) ; Key ID = 37846 nic.cz. 1800 IN RRSIG ( DNSKEY 13 2 1800 20240524102553 20240510085553 37846 nic.cz. /1cVPpaKyOyvefx7XUAb3QjCXBqZpBFcwrF7UzC1Jdz9J1dbtdszSZS4n6cLBOqFiOs/KRv/4ry0 NnwKviwY9A== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 2 DNSKEY records for nic.cz
	`nic.cz. 1800 IN DNSKEY ( 256 3 13 TnQvFXLafwCQ+CZip9sTYlsnyk3/pfL1qL3cxDhxJ0ZV7r6RkMdfGA16i+0sR1Du+nl2r8lLkllm /Mfky28ZkA== ) ; Key ID = 57089`
	`nic.cz. 1800 IN DNSKEY ( 257 3 13 G1RUCjuHpKR1kqx6/aJfRl0GhE5sbWdGY8gVsOOubL62PPULgDbyn69DQOJKvLqBfZTNCjlUp/i4 mNn+Z3sI1w== ) ; Key ID = 37846`
	DNSKEY=37846/SEP is now in the chain-of-trust
	DS=37846/SHA-256 verifies DNSKEY=37846/SEP
	Found 1 RRSIGs over DNSKEY RRset
	`nic.cz. 1800 IN RRSIG ( DNSKEY 13 2 1800 20240524102553 20240510085553 37846 nic.cz. /1cVPpaKyOyvefx7XUAb3QjCXBqZpBFcwrF7UzC1Jdz9J1dbtdszSZS4n6cLBOqFiOs/KRv/4ry0 NnwKviwY9A== )`
	RRSIG=37846 and DNSKEY=37846/SEP verifies the DNSKEY RRset
	DNSKEY=57089 is now in the chain-of-trust
	Query to d.ns.nic.cz for nic.cz/A
	Received 1056 bytes from 193.29.206.1
	;; Response received from [193.29.206.1] 1056 octets ;; HEADER SECTION ;; id = 61222 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 2 nscount = 4 arcount = 13 ;; do = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; nic.cz. IN A ;; ANSWER SECTION (2 records) nic.cz. 1800 IN A 217.31.205.50 nic.cz. 1800 IN RRSIG ( A 13 2 1800 20240524085553 20240510072553 57089 nic.cz. LW4xWDrwx3b9trrDDO0xMfosnW8JrfY8trOE4JtU5GPH+wFp2ve0aTCLQeox0/LM+dYk2T9hzdId jq8+biB9WA== ) ;; AUTHORITY SECTION (4 records) nic.cz. 1800 IN NS b.ns.nic.cz. nic.cz. 1800 IN NS a.ns.nic.cz. nic.cz. 1800 IN NS d.ns.nic.cz. nic.cz. 1800 IN RRSIG ( NS 13 2 1800 20240524085553 20240510072553 57089 nic.cz. XW0mqGUP3T6WAaFTgvfxtiPKXOxFXe4hiIiXz+rR0lyYiL0AljZIsLwlfZOakHJbn5cjShnjAS77 cMw11ITypg== ) ;; ADDITIONAL SECTION (13 records) a.ns.nic.cz. 1800 IN A 194.0.12.1 b.ns.nic.cz. 1800 IN A 194.0.13.1 d.ns.nic.cz. 1800 IN A 193.29.206.1 a.ns.nic.cz. 1800 IN AAAA 2001:678:f::1 b.ns.nic.cz. 1800 IN AAAA 2001:678:10::1 d.ns.nic.cz. 1800 IN AAAA 2001:678:1::1 a.ns.nic.cz. 1800 IN RRSIG ( A 13 4 1800 20240524085553 20240510072553 57089 nic.cz. nOn6VVhxRGkAJW4kSUBuTVfGwnMe67aU79UGvnhyN0q5CxbKROm8KhVUYEggoJsr0YwYqPQ+BhYC kIw1J7dSug== ) a.ns.nic.cz. 1800 IN RRSIG ( AAAA 13 4 1800 20240524085553 20240510072553 57089 nic.cz. ctVZs9D/UsGfT3/qoBvy4aipAYfwgNMOQTfa4InsvaIMxREOxlBCOwQyPurr6tjR7iBdg25x/8gE lI2m3tvjpA== ) b.ns.nic.cz. 1800 IN RRSIG ( A 13 4 1800 20240524085553 20240510072553 57089 nic.cz. cToNSC6Ahg/tAlSDvl4jT6VNFdKjuVcPP0N5HqswMm10TOYeOl1PHXl+cxxlQskYtYUApoV+C6/7 sAm1DQeypQ== ) b.ns.nic.cz. 1800 IN RRSIG ( AAAA 13 4 1800 20240524085553 20240510072553 57089 nic.cz. l6ldOyJ15UimvkiTUuHY97Io3nw7Us4gqSYeStP8PQ6h4c6CKKV6n+NjpNgMcZin1yarwe9CCEj5 xfj5+VSmrQ== ) d.ns.nic.cz. 1800 IN RRSIG ( A 13 4 1800 20240524085553 20240510072553 57089 nic.cz. 5g4hXt+mINbCjC9/6UJhRZ8CnxlUFFvfOf6M5nX8YaVddK4fKrsLvsu7XzxR3XNIyWgkS80oKQzS v3dzixQcKw== ) d.ns.nic.cz. 1800 IN RRSIG ( AAAA 13 4 1800 20240524085553 20240510072553 57089 nic.cz. 7t+nh6FJPXkuy2Qg/wPKAyna2ygcM7B1gfw4AS8uBLazGc075OrCSnZZYqljlqoXaybBGpH9tgC9 G65Me4R5Og== ) ;; { "EDNS-VERSION": 0 }
	d.ns.nic.cz is authoritative for nic.cz
	Found RRSIG signed by nic.cz zone
	Query to b.ns.nic.cz for nic.cz/SOA
	Received 189 bytes from 194.0.13.1
	;; Response received from [194.0.13.1] 189 octets ;; HEADER SECTION ;; id = 62049 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 2 nscount = 0 arcount = 1 ;; do = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; nic.cz. IN SOA ;; ANSWER SECTION (2 records) nic.cz. 1800 IN SOA ( a.ns.nic.cz. hostmaster.nic.cz. 1715414427 ;serial 14400 ;refresh 3600 ;retry 1209600 ;expire 7200 ;minimum ) nic.cz. 1800 IN RRSIG ( SOA 13 2 1800 20240525080027 20240511063027 57089 nic.cz. fOR1knlyY8EFrayvDiRbRKqkK5JMcEcVJn0k+FXNh3ZrnSXtc4DqND+dBnycirBoFvyJCHGC3vVc g0JuoMf2vw== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to a.ns.nic.cz for nic.cz/SOA
	Received 189 bytes from 194.0.12.1
	;; Response received from [194.0.12.1] 189 octets ;; HEADER SECTION ;; id = 2363 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 2 nscount = 0 arcount = 1 ;; do = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; nic.cz. IN SOA ;; ANSWER SECTION (2 records) nic.cz. 1800 IN SOA ( a.ns.nic.cz. hostmaster.nic.cz. 1715414427 ;serial 14400 ;refresh 3600 ;retry 1209600 ;expire 7200 ;minimum ) nic.cz. 1800 IN RRSIG ( SOA 13 2 1800 20240525080027 20240511063027 57089 nic.cz. fOR1knlyY8EFrayvDiRbRKqkK5JMcEcVJn0k+FXNh3ZrnSXtc4DqND+dBnycirBoFvyJCHGC3vVc g0JuoMf2vw== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to d.ns.nic.cz for nic.cz/A
	Received 1056 bytes from 193.29.206.1
	;; Response received from [193.29.206.1] 1056 octets ;; HEADER SECTION ;; id = 19427 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 2 nscount = 4 arcount = 13 ;; do = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; nic.cz. IN A ;; ANSWER SECTION (2 records) nic.cz. 1800 IN A 217.31.205.50 nic.cz. 1800 IN RRSIG ( A 13 2 1800 20240524085553 20240510072553 57089 nic.cz. LW4xWDrwx3b9trrDDO0xMfosnW8JrfY8trOE4JtU5GPH+wFp2ve0aTCLQeox0/LM+dYk2T9hzdId jq8+biB9WA== ) ;; AUTHORITY SECTION (4 records) nic.cz. 1800 IN NS d.ns.nic.cz. nic.cz. 1800 IN NS a.ns.nic.cz. nic.cz. 1800 IN NS b.ns.nic.cz. nic.cz. 1800 IN RRSIG ( NS 13 2 1800 20240524085553 20240510072553 57089 nic.cz. XW0mqGUP3T6WAaFTgvfxtiPKXOxFXe4hiIiXz+rR0lyYiL0AljZIsLwlfZOakHJbn5cjShnjAS77 cMw11ITypg== ) ;; ADDITIONAL SECTION (13 records) a.ns.nic.cz. 1800 IN A 194.0.12.1 b.ns.nic.cz. 1800 IN A 194.0.13.1 d.ns.nic.cz. 1800 IN A 193.29.206.1 a.ns.nic.cz. 1800 IN AAAA 2001:678:f::1 b.ns.nic.cz. 1800 IN AAAA 2001:678:10::1 d.ns.nic.cz. 1800 IN AAAA 2001:678:1::1 a.ns.nic.cz. 1800 IN RRSIG ( A 13 4 1800 20240524085553 20240510072553 57089 nic.cz. nOn6VVhxRGkAJW4kSUBuTVfGwnMe67aU79UGvnhyN0q5CxbKROm8KhVUYEggoJsr0YwYqPQ+BhYC kIw1J7dSug== ) a.ns.nic.cz. 1800 IN RRSIG ( AAAA 13 4 1800 20240524085553 20240510072553 57089 nic.cz. ctVZs9D/UsGfT3/qoBvy4aipAYfwgNMOQTfa4InsvaIMxREOxlBCOwQyPurr6tjR7iBdg25x/8gE lI2m3tvjpA== ) b.ns.nic.cz. 1800 IN RRSIG ( A 13 4 1800 20240524085553 20240510072553 57089 nic.cz. cToNSC6Ahg/tAlSDvl4jT6VNFdKjuVcPP0N5HqswMm10TOYeOl1PHXl+cxxlQskYtYUApoV+C6/7 sAm1DQeypQ== ) b.ns.nic.cz. 1800 IN RRSIG ( AAAA 13 4 1800 20240524085553 20240510072553 57089 nic.cz. l6ldOyJ15UimvkiTUuHY97Io3nw7Us4gqSYeStP8PQ6h4c6CKKV6n+NjpNgMcZin1yarwe9CCEj5 xfj5+VSmrQ== ) d.ns.nic.cz. 1800 IN RRSIG ( A 13 4 1800 20240524085553 20240510072553 57089 nic.cz. 5g4hXt+mINbCjC9/6UJhRZ8CnxlUFFvfOf6M5nX8YaVddK4fKrsLvsu7XzxR3XNIyWgkS80oKQzS v3dzixQcKw== ) d.ns.nic.cz. 1800 IN RRSIG ( AAAA 13 4 1800 20240524085553 20240510072553 57089 nic.cz. 7t+nh6FJPXkuy2Qg/wPKAyna2ygcM7B1gfw4AS8uBLazGc075OrCSnZZYqljlqoXaybBGpH9tgC9 G65Me4R5Og== ) ;; { "EDNS-VERSION": 0 }
	nic.cz A RR has value 217.31.205.50
	Found 1 RRSIGs over A RRset
	`nic.cz. 1800 IN RRSIG ( A 13 2 1800 20240524085553 20240510072553 57089 nic.cz. LW4xWDrwx3b9trrDDO0xMfosnW8JrfY8trOE4JtU5GPH+wFp2ve0aTCLQeox0/LM+dYk2T9hzdId jq8+biB9WA== )`
	RRSIG=57089 and DNSKEY=57089 verifies the A RRset

nic.cz

	Query to b.ns.nic.cz for nic.cz/A
	Received 153 bytes from 194.0.13.1
	;; Response received from [194.0.13.1] 153 octets ;; HEADER SECTION ;; id = 43821 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 2 nscount = 0 arcount = 1 ;; do = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; nic.cz. IN A ;; ANSWER SECTION (2 records) nic.cz. 1800 IN A 217.31.205.50 nic.cz. 1800 IN RRSIG ( A 13 2 1800 20240524085553 20240510072553 57089 nic.cz. LW4xWDrwx3b9trrDDO0xMfosnW8JrfY8trOE4JtU5GPH+wFp2ve0aTCLQeox0/LM+dYk2T9hzdId jq8+biB9WA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	b.ns.nic.cz is authoritative for nic.cz
	Found RRSIG signed by nic.cz zone
	Query to b.ns.nic.cz for nic.cz/A
	Received 153 bytes from 194.0.13.1
	;; Response received from [194.0.13.1] 153 octets ;; HEADER SECTION ;; id = 24000 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 2 nscount = 0 arcount = 1 ;; do = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; nic.cz. IN A ;; ANSWER SECTION (2 records) nic.cz. 1800 IN A 217.31.205.50 nic.cz. 1800 IN RRSIG ( A 13 2 1800 20240524085553 20240510072553 57089 nic.cz. LW4xWDrwx3b9trrDDO0xMfosnW8JrfY8trOE4JtU5GPH+wFp2ve0aTCLQeox0/LM+dYk2T9hzdId jq8+biB9WA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	nic.cz A RR has value 217.31.205.50
	Found 1 RRSIGs over A RRset
	`nic.cz. 1800 IN RRSIG ( A 13 2 1800 20240524085553 20240510072553 57089 nic.cz. LW4xWDrwx3b9trrDDO0xMfosnW8JrfY8trOE4JtU5GPH+wFp2ve0aTCLQeox0/LM+dYk2T9hzdId jq8+biB9WA== )`
	RRSIG=57089 and DNSKEY=57089 verifies the A RRset

nic.cz

	Query to a.ns.nic.cz for nic.cz/A
	Received 153 bytes from 194.0.12.1
	;; Response received from [194.0.12.1] 153 octets ;; HEADER SECTION ;; id = 33979 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 2 nscount = 0 arcount = 1 ;; do = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; nic.cz. IN A ;; ANSWER SECTION (2 records) nic.cz. 1800 IN A 217.31.205.50 nic.cz. 1800 IN RRSIG ( A 13 2 1800 20240524085553 20240510072553 57089 nic.cz. LW4xWDrwx3b9trrDDO0xMfosnW8JrfY8trOE4JtU5GPH+wFp2ve0aTCLQeox0/LM+dYk2T9hzdId jq8+biB9WA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	a.ns.nic.cz is authoritative for nic.cz
	Found RRSIG signed by nic.cz zone
	Query to a.ns.nic.cz for nic.cz/A
	Received 153 bytes from 194.0.12.1
	;; Response received from [194.0.12.1] 153 octets ;; HEADER SECTION ;; id = 26769 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 2 nscount = 0 arcount = 1 ;; do = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; nic.cz. IN A ;; ANSWER SECTION (2 records) nic.cz. 1800 IN A 217.31.205.50 nic.cz. 1800 IN RRSIG ( A 13 2 1800 20240524085553 20240510072553 57089 nic.cz. LW4xWDrwx3b9trrDDO0xMfosnW8JrfY8trOE4JtU5GPH+wFp2ve0aTCLQeox0/LM+dYk2T9hzdId jq8+biB9WA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	nic.cz A RR has value 217.31.205.50
	Found 1 RRSIGs over A RRset
	`nic.cz. 1800 IN RRSIG ( A 13 2 1800 20240524085553 20240510072553 57089 nic.cz. LW4xWDrwx3b9trrDDO0xMfosnW8JrfY8trOE4JtU5GPH+wFp2ve0aTCLQeox0/LM+dYk2T9hzdId jq8+biB9WA== )`
	RRSIG=57089 and DNSKEY=57089 verifies the A RRset

Move your mouse over any or symbols for remediation hints.

Want a second opinion? Test nic.cz at dnsviz.net.

DNSSEC Debugger

↓ Advanced options ↑ Advanced options

Trust Anchor:
Name Servers: