DNSSEC Debugger

Domain Name:

Time: 2024-10-22 15:42:14 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 b.root-servers.net for ./DNSKEY
	Received 864 bytes from 170.247.170.2
	;; Response received from [170.247.170.2] 864 octets ;; HEADER SECTION ;; id = 45 ;; 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 ( 256 3 8 AwEAAc0SunbHdS0KFEyZbYII/+tzsrNzIwurKxmJA+0fhAYlTPA/5LrMGkGEqvvufzM0w/CaVtdm 5eWkZYQcsoSKT5bycx0C4jxnLEb3ZiZUQSqu1rWcKGF1fj/GyDWLkOu7a5h3el+gPmglj/4l4V31 ugNYfqYq84vCB+3D6Sodrd+85KyonnzWJ8cS7aZ57x0d0sGqsAKA+6tRnIXjVNVe7Ro5xJuz8IR7 rOxdzfuRLriN+Z00EL3U5E7s9SISU/hDh7Q7N70W1mLMc1o2+tCRGjEWrw4wmCWMzc1kegbLES/d UOWFvPjJz0+AEeWDhd2GqtXk02BzAhdfeIAEIv68FTs= ) ; Key ID = 61050 . 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 RRSIG ( DNSKEY 8 0 172800 20241111000000 20241021000000 20326 . alCFgDZS+0l5zcpQ/7R+5OFeCrk9KGkNP2F9ynXIXG6QigPj/9qjm0xxItRJUUim+SrJywAmLKe+ 48oTUeSRyDKVVg3LGDekLKcIVz0EBqTL2y44usDlUlxqx5O0LQVHy4h/hm9+dCXFiSBWoV0LcApl V9OYWhxi+CxmxZU58vK6eVAde8E2JHdeDuy23WF5lxYEg1q7ehEt5EdRvZ7hZzfawEFR3Qv3WMoo tO2eBAAneIe94daJP/i1iwQJ4p+bGVCZ4sJk+Pk9J7lwEQq6GhkdSpLsRxArUhvoVgtnh0LkAV7T sajYk8K2JRt7wHNDbBV6+Vdq2bh7ZPGvLiGkIQ== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 2 DNSKEY records for .
	`. 172800 IN DNSKEY ( 256 3 8 AwEAAc0SunbHdS0KFEyZbYII/+tzsrNzIwurKxmJA+0fhAYlTPA/5LrMGkGEqvvufzM0w/CaVtdm 5eWkZYQcsoSKT5bycx0C4jxnLEb3ZiZUQSqu1rWcKGF1fj/GyDWLkOu7a5h3el+gPmglj/4l4V31 ugNYfqYq84vCB+3D6Sodrd+85KyonnzWJ8cS7aZ57x0d0sGqsAKA+6tRnIXjVNVe7Ro5xJuz8IR7 rOxdzfuRLriN+Z00EL3U5E7s9SISU/hDh7Q7N70W1mLMc1o2+tCRGjEWrw4wmCWMzc1kegbLES/d UOWFvPjJz0+AEeWDhd2GqtXk02BzAhdfeIAEIv68FTs= ) ; Key ID = 61050`
	`. 172800 IN DNSKEY ( 257 3 8 AwEAAaz/tAm8yTn4Mfeh5eyI96WSVexTBAvkMgJzkKTOiW1vkIbzxeF3+/4RgWOq7HrxRixHlFlE xOLAJr5emLvN7SWXgnLh4+B5xQlNVz8Og8kvArMtNROxVQuCaSnIDdD5LKyWbRd2n9WGe2R8PzgC mr3EgVLrjyBxWezF0jLHwVN8efS3rCj/EWgvIWgb9tarpVUDK/b58Da+sqqls3eNbuv7pr+eoZG+ SrDK6nWeL3c6H5Apxz7LjVc1uTIdsIXxuOLYA4/ilBmSVIzuDWfdRUfhHdY6+cn8HFRm+2hM8AnX GXws9555KrUB5qihylGa8subX2Nn6UwNR1AkUTV74bU= ) ; Key ID = 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 20241111000000 20241021000000 20326 . alCFgDZS+0l5zcpQ/7R+5OFeCrk9KGkNP2F9ynXIXG6QigPj/9qjm0xxItRJUUim+SrJywAmLKe+ 48oTUeSRyDKVVg3LGDekLKcIVz0EBqTL2y44usDlUlxqx5O0LQVHy4h/hm9+dCXFiSBWoV0LcApl V9OYWhxi+CxmxZU58vK6eVAde8E2JHdeDuy23WF5lxYEg1q7ehEt5EdRvZ7hZzfawEFR3Qv3WMoo tO2eBAAneIe94daJP/i1iwQJ4p+bGVCZ4sJk+Pk9J7lwEQq6GhkdSpLsRxArUhvoVgtnh0LkAV7T sajYk8K2JRt7wHNDbBV6+Vdq2bh7ZPGvLiGkIQ== )`
	RRSIG=20326 and DNSKEY=20326/SEP verifies the DNSKEY RRset
	DNSKEY=61050 is now in the chain-of-trust
	Query to d.root-servers.net for nic.cz/A
	Received 613 bytes from 199.7.91.13
	;; Response received from [199.7.91.13] 613 octets ;; HEADER SECTION ;; id = 60968 ;; 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": 1450, ;; "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 20241104050000 20241022040000 61050 . plBhqtyynOjQ1KqCOwj0AHmdSxCQJ3+6l6ILWFLQq2BsVqRdXCO8L3ZRR7UpA6ORy6AhtJqocUd6 tWKVWsJ5zjCeUVYpgaLIHDInusC+51+tU9TssYV30jytxMA9xZ+Y6bmmFh8n8Q1Hc+0XUwF1N4x9 jWZh4Z8ryXLs2awZYCfYb3PXS75EyP+GEjIejxJAPal9yRGP0/KK63rjhP0d8rTerywKXyLWr5R3 fxz6uaGdaXHHhAkLmhQfEDSogH08aqBLcT8zq1USKTeapJYxGJt7aoPj5X9NEjlD7gkGwq/djI9Z yp4DKRHiBpnrw4D4Wy5WAIso5l/ZVo5opRkNnA== ) ;; 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 a.root-servers.net for cz/DNSKEY
	Received 613 bytes from 198.41.0.4
	;; Response received from [198.41.0.4] 613 octets ;; HEADER SECTION ;; id = 7798 ;; 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) ;; cz. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (6 records) cz. 172800 IN NS a.ns.nic.cz. cz. 172800 IN NS c.ns.nic.cz. cz. 172800 IN NS b.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 20241104050000 20241022040000 61050 . plBhqtyynOjQ1KqCOwj0AHmdSxCQJ3+6l6ILWFLQq2BsVqRdXCO8L3ZRR7UpA6ORy6AhtJqocUd6 tWKVWsJ5zjCeUVYpgaLIHDInusC+51+tU9TssYV30jytxMA9xZ+Y6bmmFh8n8Q1Hc+0XUwF1N4x9 jWZh4Z8ryXLs2awZYCfYb3PXS75EyP+GEjIejxJAPal9yRGP0/KK63rjhP0d8rTerywKXyLWr5R3 fxz6uaGdaXHHhAkLmhQfEDSogH08aqBLcT8zq1USKTeapJYxGJt7aoPj5X9NEjlD7gkGwq/djI9Z yp4DKRHiBpnrw4D4Wy5WAIso5l/ZVo5opRkNnA== ) ;; 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 c.ns.nic.cz. 172800 IN A 194.0.14.1 c.ns.nic.cz. 172800 IN AAAA 2001:678:11::1 b.ns.nic.cz. 172800 IN A 194.0.13.1 b.ns.nic.cz. 172800 IN AAAA 2001:678:10::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 l.root-servers.net for cz/DS
	Received 366 bytes from 199.7.83.42
	;; Response received from [199.7.83.42] 366 octets ;; HEADER SECTION ;; id = 1572 ;; 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": 4096, ;; "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 20241104050000 20241022040000 61050 . plBhqtyynOjQ1KqCOwj0AHmdSxCQJ3+6l6ILWFLQq2BsVqRdXCO8L3ZRR7UpA6ORy6AhtJqocUd6 tWKVWsJ5zjCeUVYpgaLIHDInusC+51+tU9TssYV30jytxMA9xZ+Y6bmmFh8n8Q1Hc+0XUwF1N4x9 jWZh4Z8ryXLs2awZYCfYb3PXS75EyP+GEjIejxJAPal9yRGP0/KK63rjhP0d8rTerywKXyLWr5R3 fxz6uaGdaXHHhAkLmhQfEDSogH08aqBLcT8zq1USKTeapJYxGJt7aoPj5X9NEjlD7gkGwq/djI9Z yp4DKRHiBpnrw4D4Wy5WAIso5l/ZVo5opRkNnA== ) ;; 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 20241104050000 20241022040000 61050 . plBhqtyynOjQ1KqCOwj0AHmdSxCQJ3+6l6ILWFLQq2BsVqRdXCO8L3ZRR7UpA6ORy6AhtJqocUd6 tWKVWsJ5zjCeUVYpgaLIHDInusC+51+tU9TssYV30jytxMA9xZ+Y6bmmFh8n8Q1Hc+0XUwF1N4x9 jWZh4Z8ryXLs2awZYCfYb3PXS75EyP+GEjIejxJAPal9yRGP0/KK63rjhP0d8rTerywKXyLWr5R3 fxz6uaGdaXHHhAkLmhQfEDSogH08aqBLcT8zq1USKTeapJYxGJt7aoPj5X9NEjlD7gkGwq/djI9Z yp4DKRHiBpnrw4D4Wy5WAIso5l/ZVo5opRkNnA== )`
	RRSIG=61050 and DNSKEY=61050 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 b.ns.nic.cz for cz/DNSKEY
	Received 289 bytes from 194.0.13.1
	;; Response received from [194.0.13.1] 289 octets ;; HEADER SECTION ;; id = 36375 ;; 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 HFxRLLM+ey9NNJAJQ8zWknCXwnKGWWGBdfaHW1YYB+Xm2lNwoqLaTfrphF9AL10Xy8QkW80ef50F CitfyJA0/A== ) ; Key ID = 19571 cz. 3600 IN DNSKEY ( 257 3 13 nqzH7xP1QU5UOVy/VvxFSlrB/XgX9JDJzj51PzIj35TXjZTyalTlAT/f7PAfaSD5mEG1N8Vk9NmI 2nxgQqhzDQ== ) ; Key ID = 20237 cz. 3600 IN RRSIG ( DNSKEY 13 1 3600 20241030142134 20241016125134 20237 cz. /WhSFv74eckFJ1GkLxLpymzPmDWusbAbozdzC0EPhUEdIej/ePsz9JdIECdYiulKRGgw822Ymp+c 0Um8dZzi7A== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 2 DNSKEY records for cz
	`cz. 3600 IN DNSKEY ( 256 3 13 HFxRLLM+ey9NNJAJQ8zWknCXwnKGWWGBdfaHW1YYB+Xm2lNwoqLaTfrphF9AL10Xy8QkW80ef50F CitfyJA0/A== ) ; Key ID = 19571`
	`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 20241030142134 20241016125134 20237 cz. /WhSFv74eckFJ1GkLxLpymzPmDWusbAbozdzC0EPhUEdIej/ePsz9JdIECdYiulKRGgw822Ymp+c 0Um8dZzi7A== )`
	RRSIG=20237 and DNSKEY=20237/SEP verifies the DNSKEY RRset
	DNSKEY=19571 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 = 2829 ;; 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 20241104162554 20241021145554 52066 nic.cz. ezduAN59qlN9SzbqdG9DWLe/Ev/kAq6Rdu3S03hLpFa+klugxiQAZv4HpUATg3aWP3fuwBuPjb9/ HWim3C5XAg== ) ;; 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 20241104162554 20241021145554 52066 nic.cz. GQQ6GCVb2IdvlgJcQJm0XVWfX/vT60aoSfwY/u0Ai3E7v0lg+HR5F4w9og1LcML3UyvDL9++4Tos VakYNY6Tow== ) ;; 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 20241104162554 20241021145554 52066 nic.cz. r35g6UO0MKuR3Q2L4eSO1PiMwvy9vXvuSWE2kwC3SRd/cQZ3hFL8GeaNb453I644aXdz7pWYGWjS pNyf+yk5Jw== ) a.ns.nic.cz. 1800 IN RRSIG ( AAAA 13 4 1800 20241104162554 20241021145554 52066 nic.cz. JCVduh3E9Y7BRJBDdWmAYBkmakUNObKycsJf/yHCJiGOJkzd6gy2h4z2yKH1XxfVECBhiI5a0Cdl lvOE4EAXgQ== ) b.ns.nic.cz. 1800 IN RRSIG ( A 13 4 1800 20241104162554 20241021145554 52066 nic.cz. y8BXv/OB5XpfhV34JM8eAzuZ3z3t9pSBckAGy1tV/8bubF+l6mHYjYcJVVDio00MC8F4vw+ioF7f W6gJ9B9KFQ== ) b.ns.nic.cz. 1800 IN RRSIG ( AAAA 13 4 1800 20241104162554 20241021145554 52066 nic.cz. UdZFAMRA8TL5ze0Axb4iYHOIf4HzWJEK7f0FGWdwLoO9dELmjZDPLoJpSNd+RS+y7tQ8xPnR0t1o IsDz6cmcIg== ) d.ns.nic.cz. 1800 IN RRSIG ( A 13 4 1800 20241104162554 20241021145554 52066 nic.cz. P98o43m+zhBUvq8XWxuOul4WOY81VSyKEULT3+0ozChArzw7hsmlJAUzDIOy/T5Y0qR4yEox5+43 sPKAIRS5YQ== ) d.ns.nic.cz. 1800 IN RRSIG ( AAAA 13 4 1800 20241104162554 20241021145554 52066 nic.cz. M3XKn+0zrsxLMjPJCF68KqSfzTRmOM+VVP9BGhoR6K7bvqW7T2+4FhKRMRZSoeRXrCBuFeedgHgT uM3VIwhqUg== ) ;; { "EDNS-VERSION": 0 }
	d.ns.nic.cz is authoritative for nic.cz
	Query to d.ns.nic.cz for nic.cz/DNSKEY
	Received 297 bytes from 193.29.206.1
	;; Response received from [193.29.206.1] 297 octets ;; HEADER SECTION ;; id = 45878 ;; 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 ( 257 3 13 vLCtjw+ZpCWgM3f1ZtJIdhDBiV4O1jhZZ0yZni2oYFOkoJOw1ENEN8OfDLKKbYUkwxg9j4zIl1D6 nvgygKfuQQ== ) ; Key ID = 4321 nic.cz. 1800 IN DNSKEY ( 256 3 13 HO46eJX04HBkAbO/FYzzKpA/hOhtcZEciV0MdKvewjpf5SPF7DigxpaUYX3I3CyI1CwuoYv/29Kb WqFuqvpw6w== ) ; Key ID = 52066 nic.cz. 1800 IN RRSIG ( DNSKEY 13 2 1800 20241104175554 20241021162554 4321 nic.cz. VCbyZEJbkkudax82/SIe+o5bhQm6DlmkXuPkGpE5PsU6isnkvVxTuR7K2qosz6wlj1asSksA3bom Qkj8oL92cg== ) ;; 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 = 25842 ;; 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 20241104162554 20241021145554 52066 nic.cz. GQQ6GCVb2IdvlgJcQJm0XVWfX/vT60aoSfwY/u0Ai3E7v0lg+HR5F4w9og1LcML3UyvDL9++4Tos VakYNY6Tow== ) ;; 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 20241104162554 20241021145554 52066 nic.cz. r35g6UO0MKuR3Q2L4eSO1PiMwvy9vXvuSWE2kwC3SRd/cQZ3hFL8GeaNb453I644aXdz7pWYGWjS pNyf+yk5Jw== ) a.ns.nic.cz. 1800 IN RRSIG ( AAAA 13 4 1800 20241104162554 20241021145554 52066 nic.cz. JCVduh3E9Y7BRJBDdWmAYBkmakUNObKycsJf/yHCJiGOJkzd6gy2h4z2yKH1XxfVECBhiI5a0Cdl lvOE4EAXgQ== ) b.ns.nic.cz. 1800 IN RRSIG ( A 13 4 1800 20241104162554 20241021145554 52066 nic.cz. y8BXv/OB5XpfhV34JM8eAzuZ3z3t9pSBckAGy1tV/8bubF+l6mHYjYcJVVDio00MC8F4vw+ioF7f W6gJ9B9KFQ== ) b.ns.nic.cz. 1800 IN RRSIG ( AAAA 13 4 1800 20241104162554 20241021145554 52066 nic.cz. UdZFAMRA8TL5ze0Axb4iYHOIf4HzWJEK7f0FGWdwLoO9dELmjZDPLoJpSNd+RS+y7tQ8xPnR0t1o IsDz6cmcIg== ) d.ns.nic.cz. 1800 IN RRSIG ( A 13 4 1800 20241104162554 20241021145554 52066 nic.cz. P98o43m+zhBUvq8XWxuOul4WOY81VSyKEULT3+0ozChArzw7hsmlJAUzDIOy/T5Y0qR4yEox5+43 sPKAIRS5YQ== ) d.ns.nic.cz. 1800 IN RRSIG ( AAAA 13 4 1800 20241104162554 20241021145554 52066 nic.cz. M3XKn+0zrsxLMjPJCF68KqSfzTRmOM+VVP9BGhoR6K7bvqW7T2+4FhKRMRZSoeRXrCBuFeedgHgT uM3VIwhqUg== ) ;; { "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 b.ns.nic.cz for nic.cz/DS
	Received 181 bytes from 194.0.13.1
	;; Response received from [194.0.13.1] 181 octets ;; HEADER SECTION ;; id = 30480 ;; 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 ( 4321 13 2 92b8aaa820e0bc97cb7189d7820a10ae2d6e381d6bf5dd78488cae8c94800327 ) nic.cz. 3600 IN RRSIG ( DS 13 2 3600 20241030094951 20241016081951 19571 cz. obzH/QD80O++fVjjWGBrRih6mzv3zVayNniF1U30XzlepP58sVLmnCD2v4bjAtSFx5MLr0lWDZQR D4jOUEN38Q== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 1 DS records for nic.cz in the cz zone
	DS=4321/SHA-256 has algorithm ECDSAP256SHA256
	Found 1 RRSIGs over DS RRset
	`nic.cz. 3600 IN RRSIG ( DS 13 2 3600 20241030094951 20241016081951 19571 cz. obzH/QD80O++fVjjWGBrRih6mzv3zVayNniF1U30XzlepP58sVLmnCD2v4bjAtSFx5MLr0lWDZQR D4jOUEN38Q== )`
	RRSIG=19571 and DNSKEY=19571 verifies the DS RRset
	DS=4321/SHA-256 is now in the chain-of-trust
	`nic.cz. 3600 IN DS ( 4321 13 2 92b8aaa820e0bc97cb7189d7820a10ae2d6e381d6bf5dd78488cae8c94800327 )`
	Query to b.ns.nic.cz for nic.cz/DNSKEY
	Received 297 bytes from 194.0.13.1
	;; Response received from [194.0.13.1] 297 octets ;; HEADER SECTION ;; id = 53359 ;; 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 HO46eJX04HBkAbO/FYzzKpA/hOhtcZEciV0MdKvewjpf5SPF7DigxpaUYX3I3CyI1CwuoYv/29Kb WqFuqvpw6w== ) ; Key ID = 52066 nic.cz. 1800 IN DNSKEY ( 257 3 13 vLCtjw+ZpCWgM3f1ZtJIdhDBiV4O1jhZZ0yZni2oYFOkoJOw1ENEN8OfDLKKbYUkwxg9j4zIl1D6 nvgygKfuQQ== ) ; Key ID = 4321 nic.cz. 1800 IN RRSIG ( DNSKEY 13 2 1800 20241104175554 20241021162554 4321 nic.cz. VCbyZEJbkkudax82/SIe+o5bhQm6DlmkXuPkGpE5PsU6isnkvVxTuR7K2qosz6wlj1asSksA3bom Qkj8oL92cg== ) ;; 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 HO46eJX04HBkAbO/FYzzKpA/hOhtcZEciV0MdKvewjpf5SPF7DigxpaUYX3I3CyI1CwuoYv/29Kb WqFuqvpw6w== ) ; Key ID = 52066`
	`nic.cz. 1800 IN DNSKEY ( 257 3 13 vLCtjw+ZpCWgM3f1ZtJIdhDBiV4O1jhZZ0yZni2oYFOkoJOw1ENEN8OfDLKKbYUkwxg9j4zIl1D6 nvgygKfuQQ== ) ; Key ID = 4321`
	DNSKEY=4321/SEP is now in the chain-of-trust
	DS=4321/SHA-256 verifies DNSKEY=4321/SEP
	Found 1 RRSIGs over DNSKEY RRset
	`nic.cz. 1800 IN RRSIG ( DNSKEY 13 2 1800 20241104175554 20241021162554 4321 nic.cz. VCbyZEJbkkudax82/SIe+o5bhQm6DlmkXuPkGpE5PsU6isnkvVxTuR7K2qosz6wlj1asSksA3bom Qkj8oL92cg== )`
	RRSIG=4321 and DNSKEY=4321/SEP verifies the DNSKEY RRset
	DNSKEY=52066 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 = 57992 ;; 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 20241104162554 20241021145554 52066 nic.cz. ezduAN59qlN9SzbqdG9DWLe/Ev/kAq6Rdu3S03hLpFa+klugxiQAZv4HpUATg3aWP3fuwBuPjb9/ HWim3C5XAg== ) ;; 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 d.ns.nic.cz for nic.cz/SOA
	Received 1087 bytes from 193.29.206.1
	;; Response received from [193.29.206.1] 1087 octets ;; HEADER SECTION ;; id = 43638 ;; 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 SOA ;; ANSWER SECTION (2 records) nic.cz. 1800 IN SOA ( a.ns.nic.cz. hostmaster.nic.cz. 1729599836 ;serial 14400 ;refresh 3600 ;retry 1209600 ;expire 7200 ;minimum ) nic.cz. 1800 IN RRSIG ( SOA 13 2 1800 20241105122356 20241022105356 52066 nic.cz. kNnnRC7vOOlLJBK7+rSO/x5hi/XVfygA4d2Y8pAsaW6fqEwdbF2CqCk6fdhiFASii+aydfYMQlZV 8c7LK76kHA== ) ;; AUTHORITY 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 20241104162554 20241021145554 52066 nic.cz. GQQ6GCVb2IdvlgJcQJm0XVWfX/vT60aoSfwY/u0Ai3E7v0lg+HR5F4w9og1LcML3UyvDL9++4Tos VakYNY6Tow== ) ;; 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 20241104162554 20241021145554 52066 nic.cz. r35g6UO0MKuR3Q2L4eSO1PiMwvy9vXvuSWE2kwC3SRd/cQZ3hFL8GeaNb453I644aXdz7pWYGWjS pNyf+yk5Jw== ) a.ns.nic.cz. 1800 IN RRSIG ( AAAA 13 4 1800 20241104162554 20241021145554 52066 nic.cz. JCVduh3E9Y7BRJBDdWmAYBkmakUNObKycsJf/yHCJiGOJkzd6gy2h4z2yKH1XxfVECBhiI5a0Cdl lvOE4EAXgQ== ) b.ns.nic.cz. 1800 IN RRSIG ( A 13 4 1800 20241104162554 20241021145554 52066 nic.cz. y8BXv/OB5XpfhV34JM8eAzuZ3z3t9pSBckAGy1tV/8bubF+l6mHYjYcJVVDio00MC8F4vw+ioF7f W6gJ9B9KFQ== ) b.ns.nic.cz. 1800 IN RRSIG ( AAAA 13 4 1800 20241104162554 20241021145554 52066 nic.cz. UdZFAMRA8TL5ze0Axb4iYHOIf4HzWJEK7f0FGWdwLoO9dELmjZDPLoJpSNd+RS+y7tQ8xPnR0t1o IsDz6cmcIg== ) d.ns.nic.cz. 1800 IN RRSIG ( A 13 4 1800 20241104162554 20241021145554 52066 nic.cz. P98o43m+zhBUvq8XWxuOul4WOY81VSyKEULT3+0ozChArzw7hsmlJAUzDIOy/T5Y0qR4yEox5+43 sPKAIRS5YQ== ) d.ns.nic.cz. 1800 IN RRSIG ( AAAA 13 4 1800 20241104162554 20241021145554 52066 nic.cz. M3XKn+0zrsxLMjPJCF68KqSfzTRmOM+VVP9BGhoR6K7bvqW7T2+4FhKRMRZSoeRXrCBuFeedgHgT uM3VIwhqUg== ) ;; { "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 = 47710 ;; 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. 1729599836 ;serial 14400 ;refresh 3600 ;retry 1209600 ;expire 7200 ;minimum ) nic.cz. 1800 IN RRSIG ( SOA 13 2 1800 20241105122356 20241022105356 52066 nic.cz. kNnnRC7vOOlLJBK7+rSO/x5hi/XVfygA4d2Y8pAsaW6fqEwdbF2CqCk6fdhiFASii+aydfYMQlZV 8c7LK76kHA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	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 = 2656 ;; 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 20241104162554 20241021145554 52066 nic.cz. ezduAN59qlN9SzbqdG9DWLe/Ev/kAq6Rdu3S03hLpFa+klugxiQAZv4HpUATg3aWP3fuwBuPjb9/ HWim3C5XAg== ) ;; 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 20241104162554 20241021145554 52066 nic.cz. ezduAN59qlN9SzbqdG9DWLe/Ev/kAq6Rdu3S03hLpFa+klugxiQAZv4HpUATg3aWP3fuwBuPjb9/ HWim3C5XAg== )`
	RRSIG=52066 and DNSKEY=52066 verifies the A RRset

nic.cz

	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 = 11447 ;; 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 20241104162554 20241021145554 52066 nic.cz. ezduAN59qlN9SzbqdG9DWLe/Ev/kAq6Rdu3S03hLpFa+klugxiQAZv4HpUATg3aWP3fuwBuPjb9/ HWim3C5XAg== ) ;; AUTHORITY 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 20241104162554 20241021145554 52066 nic.cz. GQQ6GCVb2IdvlgJcQJm0XVWfX/vT60aoSfwY/u0Ai3E7v0lg+HR5F4w9og1LcML3UyvDL9++4Tos VakYNY6Tow== ) ;; 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 20241104162554 20241021145554 52066 nic.cz. r35g6UO0MKuR3Q2L4eSO1PiMwvy9vXvuSWE2kwC3SRd/cQZ3hFL8GeaNb453I644aXdz7pWYGWjS pNyf+yk5Jw== ) a.ns.nic.cz. 1800 IN RRSIG ( AAAA 13 4 1800 20241104162554 20241021145554 52066 nic.cz. JCVduh3E9Y7BRJBDdWmAYBkmakUNObKycsJf/yHCJiGOJkzd6gy2h4z2yKH1XxfVECBhiI5a0Cdl lvOE4EAXgQ== ) b.ns.nic.cz. 1800 IN RRSIG ( A 13 4 1800 20241104162554 20241021145554 52066 nic.cz. y8BXv/OB5XpfhV34JM8eAzuZ3z3t9pSBckAGy1tV/8bubF+l6mHYjYcJVVDio00MC8F4vw+ioF7f W6gJ9B9KFQ== ) b.ns.nic.cz. 1800 IN RRSIG ( AAAA 13 4 1800 20241104162554 20241021145554 52066 nic.cz. UdZFAMRA8TL5ze0Axb4iYHOIf4HzWJEK7f0FGWdwLoO9dELmjZDPLoJpSNd+RS+y7tQ8xPnR0t1o IsDz6cmcIg== ) d.ns.nic.cz. 1800 IN RRSIG ( A 13 4 1800 20241104162554 20241021145554 52066 nic.cz. P98o43m+zhBUvq8XWxuOul4WOY81VSyKEULT3+0ozChArzw7hsmlJAUzDIOy/T5Y0qR4yEox5+43 sPKAIRS5YQ== ) d.ns.nic.cz. 1800 IN RRSIG ( AAAA 13 4 1800 20241104162554 20241021145554 52066 nic.cz. M3XKn+0zrsxLMjPJCF68KqSfzTRmOM+VVP9BGhoR6K7bvqW7T2+4FhKRMRZSoeRXrCBuFeedgHgT uM3VIwhqUg== ) ;; { "EDNS-VERSION": 0 }
	d.ns.nic.cz is authoritative for nic.cz
	Found RRSIG signed by nic.cz zone
	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 = 23265 ;; 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 20241104162554 20241021145554 52066 nic.cz. ezduAN59qlN9SzbqdG9DWLe/Ev/kAq6Rdu3S03hLpFa+klugxiQAZv4HpUATg3aWP3fuwBuPjb9/ HWim3C5XAg== ) ;; AUTHORITY 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 20241104162554 20241021145554 52066 nic.cz. GQQ6GCVb2IdvlgJcQJm0XVWfX/vT60aoSfwY/u0Ai3E7v0lg+HR5F4w9og1LcML3UyvDL9++4Tos VakYNY6Tow== ) ;; 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 20241104162554 20241021145554 52066 nic.cz. r35g6UO0MKuR3Q2L4eSO1PiMwvy9vXvuSWE2kwC3SRd/cQZ3hFL8GeaNb453I644aXdz7pWYGWjS pNyf+yk5Jw== ) a.ns.nic.cz. 1800 IN RRSIG ( AAAA 13 4 1800 20241104162554 20241021145554 52066 nic.cz. JCVduh3E9Y7BRJBDdWmAYBkmakUNObKycsJf/yHCJiGOJkzd6gy2h4z2yKH1XxfVECBhiI5a0Cdl lvOE4EAXgQ== ) b.ns.nic.cz. 1800 IN RRSIG ( A 13 4 1800 20241104162554 20241021145554 52066 nic.cz. y8BXv/OB5XpfhV34JM8eAzuZ3z3t9pSBckAGy1tV/8bubF+l6mHYjYcJVVDio00MC8F4vw+ioF7f W6gJ9B9KFQ== ) b.ns.nic.cz. 1800 IN RRSIG ( AAAA 13 4 1800 20241104162554 20241021145554 52066 nic.cz. UdZFAMRA8TL5ze0Axb4iYHOIf4HzWJEK7f0FGWdwLoO9dELmjZDPLoJpSNd+RS+y7tQ8xPnR0t1o IsDz6cmcIg== ) d.ns.nic.cz. 1800 IN RRSIG ( A 13 4 1800 20241104162554 20241021145554 52066 nic.cz. P98o43m+zhBUvq8XWxuOul4WOY81VSyKEULT3+0ozChArzw7hsmlJAUzDIOy/T5Y0qR4yEox5+43 sPKAIRS5YQ== ) d.ns.nic.cz. 1800 IN RRSIG ( AAAA 13 4 1800 20241104162554 20241021145554 52066 nic.cz. M3XKn+0zrsxLMjPJCF68KqSfzTRmOM+VVP9BGhoR6K7bvqW7T2+4FhKRMRZSoeRXrCBuFeedgHgT uM3VIwhqUg== ) ;; { "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 20241104162554 20241021145554 52066 nic.cz. ezduAN59qlN9SzbqdG9DWLe/Ev/kAq6Rdu3S03hLpFa+klugxiQAZv4HpUATg3aWP3fuwBuPjb9/ HWim3C5XAg== )`
	RRSIG=52066 and DNSKEY=52066 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 = 57621 ;; 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 20241104162554 20241021145554 52066 nic.cz. ezduAN59qlN9SzbqdG9DWLe/Ev/kAq6Rdu3S03hLpFa+klugxiQAZv4HpUATg3aWP3fuwBuPjb9/ HWim3C5XAg== ) ;; 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 = 41636 ;; 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 20241104162554 20241021145554 52066 nic.cz. ezduAN59qlN9SzbqdG9DWLe/Ev/kAq6Rdu3S03hLpFa+klugxiQAZv4HpUATg3aWP3fuwBuPjb9/ HWim3C5XAg== ) ;; 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 20241104162554 20241021145554 52066 nic.cz. ezduAN59qlN9SzbqdG9DWLe/Ev/kAq6Rdu3S03hLpFa+klugxiQAZv4HpUATg3aWP3fuwBuPjb9/ HWim3C5XAg== )`
	RRSIG=52066 and DNSKEY=52066 verifies the A RRset

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