DNSSEC Debugger - fjfi.cvut.cz

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Domain Name:

Detail: more(+) / less(-)

Time: 2026-10-04 03:58:19 UTC

Analyzing DNSSEC problems for fjfi.cvut.cz

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 1414 bytes from 192.58.128.30
	;; Response received from [192.58.128.30] 1414 octets ;; HEADER SECTION ;; id = 31342 ;; 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": 1472, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; . IN DNSKEY ;; ANSWER SECTION (5 records) . 172800 IN DNSKEY ( 256 3 8 AwEAAcorNxNc9t0ue1ZenPjVMRujlQ2YLBJ0pR/4XMjHby9vr03cRxFSKnWpxeg5PL384D9VeqdS 1bjrGyTsHtoagzI3NiXFd8sjHMOnZxu5pp/+UBIg7tasYgVMMdUiM1Yu/c+t30d1Qw/v6NYLNnOn ywTu6HuUh7Y1sZRq/GZcrxLENXHQoyKpOrOr8R3+qd6wK69IKB80ZBZtkX9rdEqKJk+yYXjEZzZ0 zkAFthmNgCreAoU9PVlU66dyOsaLjf3wKUlUm9SNOKs+tK6LuSmRbK6+1T/tPaRaMBSEuv2G6vXf nJ1uyMbGvtpRn/YDcvTjrp6DzE6XyF44QdwJ3oKx4ek= ) ; keytag 8763 . 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 20261022000000 20261001000000 20326 . ARGOmBDyLkr5oQdR5OaIeoeBti1KWEX/LY/jZlRRXwF0f0eRZaljFpyVKFuZMzpafSYVs7eLOYjV yWJ3iENn4AEhvX9iaKmWu3XpSSV0D6bhv5D6bk4GVPJ7NGTnA2lr4fC9lq9UD1kK1Q3jYJsxZSoQ gjExDBfzwQUw1eYLLPPi7TQf+zA1wakHy2mkWnX1+bKDyrQ/p5ra4fgo/Pu7F47FXqRZEJ+K9o/T wA+nJn3RMS6dPaS46ERBSWHIeJAzQvNQELI4pAbdVp3d3N33R2C5MxX6kUzNku8CtyXGYukSi9LK 9GT3nrH9O97tDADq01z78aPnjl+6hLTgMkiupw== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 4 DNSKEY records for .
	`. 172800 IN DNSKEY ( 256 3 8 AwEAAcorNxNc9t0ue1ZenPjVMRujlQ2YLBJ0pR/4XMjHby9vr03cRxFSKnWpxeg5PL384D9VeqdS 1bjrGyTsHtoagzI3NiXFd8sjHMOnZxu5pp/+UBIg7tasYgVMMdUiM1Yu/c+t30d1Qw/v6NYLNnOn ywTu6HuUh7Y1sZRq/GZcrxLENXHQoyKpOrOr8R3+qd6wK69IKB80ZBZtkX9rdEqKJk+yYXjEZzZ0 zkAFthmNgCreAoU9PVlU66dyOsaLjf3wKUlUm9SNOKs+tK6LuSmRbK6+1T/tPaRaMBSEuv2G6vXf nJ1uyMbGvtpRn/YDcvTjrp6DzE6XyF44QdwJ3oKx4ek= ) ; keytag 8763`
	`. 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 20261022000000 20261001000000 20326 . ARGOmBDyLkr5oQdR5OaIeoeBti1KWEX/LY/jZlRRXwF0f0eRZaljFpyVKFuZMzpafSYVs7eLOYjV yWJ3iENn4AEhvX9iaKmWu3XpSSV0D6bhv5D6bk4GVPJ7NGTnA2lr4fC9lq9UD1kK1Q3jYJsxZSoQ gjExDBfzwQUw1eYLLPPi7TQf+zA1wakHy2mkWnX1+bKDyrQ/p5ra4fgo/Pu7F47FXqRZEJ+K9o/T wA+nJn3RMS6dPaS46ERBSWHIeJAzQvNQELI4pAbdVp3d3N33R2C5MxX6kUzNku8CtyXGYukSi9LK 9GT3nrH9O97tDADq01z78aPnjl+6hLTgMkiupw== )`
	RRSIG=20326 and DNSKEY=20326/SEP verifies the DNSKEY RRset
	DNSKEY=8763 is now in the chain-of-trust
	DNSKEY=57780 is now in the chain-of-trust
	Query to a.root-servers.net for fjfi.cvut.cz/A
	Received 623 bytes from 198.41.0.4
	;; Response received from [198.41.0.4] 623 octets ;; HEADER SECTION ;; id = 28388 ;; 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 = 6 arcount = 9 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; fjfi.cvut.cz. IN A ;; 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 20261016170000 20261003160000 8763 . YxZk+leyaIbin0PMLNrJfVkE8wzApbpyB+O3i3ReJsVTP43elQltrKP4g4SQBth1ptbflyMM/gkz kvCtValDEJOeofBk2u0QbyobaFA1jOEqbBqeHRvI8w/6LxLwqhLOJz2lvMFfgJW0/k6CRUVIIgc1 +eUPzBK5HzyJuZ/8FgwPLJPiZI/LhVUPLvvdzYfogMlvvbJIYE59fKChHaDjnnsz8cVHj1rKEeo6 yJxF2QLd1FnPdVsMLEPcV51RFz7mn0RfYOLA+lLAhKU7c9aayNVHSNgfx3IbU5RtG/sTbb7SDvGh Ds+ClS0lf77vMWXK7V0K68RoIpRKO/2ZOMc7pQ== ) ;; 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 }
	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 = 17520 ;; 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 = 6 arcount = 9 ;; { "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 20261016170000 20261003160000 8763 . YxZk+leyaIbin0PMLNrJfVkE8wzApbpyB+O3i3ReJsVTP43elQltrKP4g4SQBth1ptbflyMM/gkz kvCtValDEJOeofBk2u0QbyobaFA1jOEqbBqeHRvI8w/6LxLwqhLOJz2lvMFfgJW0/k6CRUVIIgc1 +eUPzBK5HzyJuZ/8FgwPLJPiZI/LhVUPLvvdzYfogMlvvbJIYE59fKChHaDjnnsz8cVHj1rKEeo6 yJxF2QLd1FnPdVsMLEPcV51RFz7mn0RfYOLA+lLAhKU7c9aayNVHSNgfx3IbU5RtG/sTbb7SDvGh Ds+ClS0lf77vMWXK7V0K68RoIpRKO/2ZOMc7pQ== ) ;; 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 c.root-servers.net for cz/DS
	Received 366 bytes from 192.33.4.12
	;; Response received from [192.33.4.12] 366 octets ;; HEADER SECTION ;; id = 3983 ;; 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) ;; cz. IN DS ;; ANSWER SECTION (2 records) cz. 86400 IN DS ( 20237 13 2 cff0f3ecdbc529c1f0031ba1840bfb835853b9209ed1e508fff48451d7b778e2 ) cz. 86400 IN RRSIG ( DS 8 1 86400 20261016170000 20261003160000 8763 . YxZk+leyaIbin0PMLNrJfVkE8wzApbpyB+O3i3ReJsVTP43elQltrKP4g4SQBth1ptbflyMM/gkz kvCtValDEJOeofBk2u0QbyobaFA1jOEqbBqeHRvI8w/6LxLwqhLOJz2lvMFfgJW0/k6CRUVIIgc1 +eUPzBK5HzyJuZ/8FgwPLJPiZI/LhVUPLvvdzYfogMlvvbJIYE59fKChHaDjnnsz8cVHj1rKEeo6 yJxF2QLd1FnPdVsMLEPcV51RFz7mn0RfYOLA+lLAhKU7c9aayNVHSNgfx3IbU5RtG/sTbb7SDvGh Ds+ClS0lf77vMWXK7V0K68RoIpRKO/2ZOMc7pQ== ) ;; 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 20261016170000 20261003160000 8763 . YxZk+leyaIbin0PMLNrJfVkE8wzApbpyB+O3i3ReJsVTP43elQltrKP4g4SQBth1ptbflyMM/gkz kvCtValDEJOeofBk2u0QbyobaFA1jOEqbBqeHRvI8w/6LxLwqhLOJz2lvMFfgJW0/k6CRUVIIgc1 +eUPzBK5HzyJuZ/8FgwPLJPiZI/LhVUPLvvdzYfogMlvvbJIYE59fKChHaDjnnsz8cVHj1rKEeo6 yJxF2QLd1FnPdVsMLEPcV51RFz7mn0RfYOLA+lLAhKU7c9aayNVHSNgfx3IbU5RtG/sTbb7SDvGh Ds+ClS0lf77vMWXK7V0K68RoIpRKO/2ZOMc7pQ== )`
	RRSIG=8763 and DNSKEY=8763 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 d.ns.nic.cz for cz/DNSKEY
	Received 289 bytes from 193.29.206.1
	;; Response received from [193.29.206.1] 289 octets ;; HEADER SECTION ;; id = 38570 ;; 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) ;; cz. IN DNSKEY ;; ANSWER SECTION (3 records) cz. 3600 IN DNSKEY ( 257 3 13 nqzH7xP1QU5UOVy/VvxFSlrB/XgX9JDJzj51PzIj35TXjZTyalTlAT/f7PAfaSD5mEG1N8Vk9NmI 2nxgQqhzDQ== ) ; keytag 20237 cz. 3600 IN DNSKEY ( 256 3 13 HBJJmdH1UQmI855+rriGW5crUyWVBbbbPiEiSCnFcwuQEym97KTeigZy/3AnteocJOFiYMelSMIV peTlFnKx2w== ) ; keytag 5090 cz. 3600 IN RRSIG ( DNSKEY 13 1 3600 20261015142134 20261001125134 20237 cz. lkyYmgpuxjZdT0IkX1Ir0M2jKgkSR81ykeK+T+lwSODqsjF/SGW8Ku7x/dp7gd+YuXLwYw22U3Fw dD8hKB8Xfw== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 2 DNSKEY records for cz
	`cz. 3600 IN DNSKEY ( 257 3 13 nqzH7xP1QU5UOVy/VvxFSlrB/XgX9JDJzj51PzIj35TXjZTyalTlAT/f7PAfaSD5mEG1N8Vk9NmI 2nxgQqhzDQ== ) ; keytag 20237`
	`cz. 3600 IN DNSKEY ( 256 3 13 HBJJmdH1UQmI855+rriGW5crUyWVBbbbPiEiSCnFcwuQEym97KTeigZy/3AnteocJOFiYMelSMIV peTlFnKx2w== ) ; keytag 5090`
	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 20261015142134 20261001125134 20237 cz. lkyYmgpuxjZdT0IkX1Ir0M2jKgkSR81ykeK+T+lwSODqsjF/SGW8Ku7x/dp7gd+YuXLwYw22U3Fw dD8hKB8Xfw== )`
	RRSIG=20237 and DNSKEY=20237/SEP verifies the DNSKEY RRset
	DNSKEY=5090 is now in the chain-of-trust
	Query to d.ns.nic.cz for fjfi.cvut.cz/A
	Received 310 bytes from 193.29.206.1
	;; Response received from [193.29.206.1] 310 octets ;; HEADER SECTION ;; id = 40582 ;; 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 = 4 arcount = 5 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; fjfi.cvut.cz. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (4 records) cvut.cz. 3600 IN NS nss.cvut.cz. cvut.cz. 3600 IN NS ns.cvut.cz. cvut.cz. 3600 IN DS ( 41860 13 2 2311d5df154638befa68b593c52e6b6c72060e33ff020392fa527b1f4c3bf3b3 ) cvut.cz. 3600 IN RRSIG ( DS 13 2 3600 20261008122134 20260924105134 5090 cz. p7L5CpZqMiAYUH8TIfaVdIRkCEAOS2YSpFReo4dbgA7/vvBLZtFA6GnboYE8BuU0Ftal5e9zLFe+ 52MJEhUQdg== ) ;; ADDITIONAL SECTION (5 records) ns.cvut.cz. 3600 IN A 147.32.1.20 nss.cvut.cz. 3600 IN A 147.32.1.9 ns.cvut.cz. 3600 IN AAAA 2001:718:2:2200::100 nss.cvut.cz. 3600 IN AAAA 2001:718:2:2200::101 ;; { "EDNS-VERSION": 0 }
	Query to a.ns.nic.cz for cvut.cz/DNSKEY
	Received 305 bytes from 194.0.12.1
	;; Response received from [194.0.12.1] 305 octets ;; HEADER SECTION ;; id = 12856 ;; 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 = 4 arcount = 5 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; cvut.cz. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (4 records) cvut.cz. 3600 IN NS ns.cvut.cz. cvut.cz. 3600 IN NS nss.cvut.cz. cvut.cz. 3600 IN DS ( 41860 13 2 2311d5df154638befa68b593c52e6b6c72060e33ff020392fa527b1f4c3bf3b3 ) cvut.cz. 3600 IN RRSIG ( DS 13 2 3600 20261008122134 20260924105134 5090 cz. p7L5CpZqMiAYUH8TIfaVdIRkCEAOS2YSpFReo4dbgA7/vvBLZtFA6GnboYE8BuU0Ftal5e9zLFe+ 52MJEhUQdg== ) ;; ADDITIONAL SECTION (5 records) ns.cvut.cz. 3600 IN A 147.32.1.20 ns.cvut.cz. 3600 IN AAAA 2001:718:2:2200::100 nss.cvut.cz. 3600 IN A 147.32.1.9 nss.cvut.cz. 3600 IN AAAA 2001:718:2:2200::101 ;; { "EDNS-VERSION": 0 }
	Found child zone cvut.cz

cvut.cz

	Checking DS between cz and cvut.cz
	Query to b.ns.nic.cz for cvut.cz/DS
	Received 182 bytes from 194.0.13.1
	;; Response received from [194.0.13.1] 182 octets ;; HEADER SECTION ;; id = 49741 ;; 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) ;; cvut.cz. IN DS ;; ANSWER SECTION (2 records) cvut.cz. 3600 IN DS ( 41860 13 2 2311d5df154638befa68b593c52e6b6c72060e33ff020392fa527b1f4c3bf3b3 ) cvut.cz. 3600 IN RRSIG ( DS 13 2 3600 20261008122134 20260924105134 5090 cz. p7L5CpZqMiAYUH8TIfaVdIRkCEAOS2YSpFReo4dbgA7/vvBLZtFA6GnboYE8BuU0Ftal5e9zLFe+ 52MJEhUQdg== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 1 DS records for cvut.cz in the cz zone
	DS=41860/SHA-256 has algorithm ECDSAP256SHA256
	Found 1 RRSIGs over DS RRset
	`cvut.cz. 3600 IN RRSIG ( DS 13 2 3600 20261008122134 20260924105134 5090 cz. p7L5CpZqMiAYUH8TIfaVdIRkCEAOS2YSpFReo4dbgA7/vvBLZtFA6GnboYE8BuU0Ftal5e9zLFe+ 52MJEhUQdg== )`
	RRSIG=5090 and DNSKEY=5090 verifies the DS RRset
	DS=41860/SHA-256 is now in the chain-of-trust
	`cvut.cz. 3600 IN DS ( 41860 13 2 2311d5df154638befa68b593c52e6b6c72060e33ff020392fa527b1f4c3bf3b3 )`
	Query to nss.cvut.cz for cvut.cz/DNSKEY
	Received 219 bytes from 147.32.1.9
	;; Response received from [147.32.1.9] 219 octets ;; HEADER SECTION ;; id = 61072 ;; 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) ;; cvut.cz. IN DNSKEY ;; ANSWER SECTION (2 records) cvut.cz. 6400 IN DNSKEY ( 257 3 13 +XkJfh9Fh5wGJVpntLyKQRXkrRQhP+kL3lnJ1SQfG3XTjW9WBBknfO37yynPQtat8S+kIuOJZaSg kLmMfS8drQ== ) ; keytag 41860 cvut.cz. 6400 IN RRSIG ( DNSKEY 13 2 6400 20261029064111 20260929054112 41860 cvut.cz. DAuZ5ZRQLIpyLZWfqQybzjQURiqCLWEnUhCvZF2v8e0NHTCw5lM+xdKV76o04vvGzUVTQRW1OThJ cjBIBt4U2A== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 1 DNSKEY records for cvut.cz
	`cvut.cz. 6400 IN DNSKEY ( 257 3 13 +XkJfh9Fh5wGJVpntLyKQRXkrRQhP+kL3lnJ1SQfG3XTjW9WBBknfO37yynPQtat8S+kIuOJZaSg kLmMfS8drQ== ) ; keytag 41860`
	DNSKEY=41860/SEP is now in the chain-of-trust
	DS=41860/SHA-256 verifies DNSKEY=41860/SEP
	Found 1 RRSIGs over DNSKEY RRset
	`cvut.cz. 6400 IN RRSIG ( DNSKEY 13 2 6400 20261029064111 20260929054112 41860 cvut.cz. DAuZ5ZRQLIpyLZWfqQybzjQURiqCLWEnUhCvZF2v8e0NHTCw5lM+xdKV76o04vvGzUVTQRW1OThJ cjBIBt4U2A== )`
	RRSIG=41860 and DNSKEY=41860/SEP verifies the DNSKEY RRset
	Query to nss.cvut.cz for fjfi.cvut.cz/A
	Received 270 bytes from 147.32.1.9
	;; Response received from [147.32.1.9] 270 octets ;; HEADER SECTION ;; id = 9876 ;; 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 = 4 arcount = 3 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; fjfi.cvut.cz. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (4 records) fjfi.cvut.cz. 6400 IN NS ns.cvut.cz. fjfi.cvut.cz. 6400 IN NS ns.fjfi.cvut.cz. fjfi.cvut.cz. 6400 IN DS ( 38165 13 2 7ab800d2cdc2473310082280d01997421f7a2e2ba6665eed566c9185cad86b34 ) fjfi.cvut.cz. 6400 IN RRSIG ( DS 13 3 6400 20261028190734 20260929054112 41860 cvut.cz. OySFBUku+bP0ocZ5fQ587VbNwdz//xGVpCSk07Anl0i05Y5KuWGa7VDvBZM3294TMUEz8Fq9LlrL 453s7aMEfA== ) ;; ADDITIONAL SECTION (3 records) ns.fjfi.cvut.cz. 6400 IN A 147.32.9.4 ns.fjfi.cvut.cz. 6400 IN AAAA 2001:718:2:1900::4 ;; { "EDNS-VERSION": 0 }
	Query to nss.cvut.cz for fjfi.cvut.cz/DNSKEY
	Received 270 bytes from 147.32.1.9
	;; Response received from [147.32.1.9] 270 octets ;; HEADER SECTION ;; id = 543 ;; 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 = 4 arcount = 3 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; fjfi.cvut.cz. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (4 records) fjfi.cvut.cz. 6400 IN NS ns.cvut.cz. fjfi.cvut.cz. 6400 IN NS ns.fjfi.cvut.cz. fjfi.cvut.cz. 6400 IN DS ( 38165 13 2 7ab800d2cdc2473310082280d01997421f7a2e2ba6665eed566c9185cad86b34 ) fjfi.cvut.cz. 6400 IN RRSIG ( DS 13 3 6400 20261028190734 20260929054112 41860 cvut.cz. OySFBUku+bP0ocZ5fQ587VbNwdz//xGVpCSk07Anl0i05Y5KuWGa7VDvBZM3294TMUEz8Fq9LlrL 453s7aMEfA== ) ;; ADDITIONAL SECTION (3 records) ns.fjfi.cvut.cz. 6400 IN A 147.32.9.4 ns.fjfi.cvut.cz. 6400 IN AAAA 2001:718:2:1900::4 ;; { "EDNS-VERSION": 0 }
	Found child zone fjfi.cvut.cz

fjfi.cvut.cz

	Checking DS between cvut.cz and fjfi.cvut.cz
	Query to nss.cvut.cz for fjfi.cvut.cz/DS
	Received 192 bytes from 147.32.1.9
	;; Response received from [147.32.1.9] 192 octets ;; HEADER SECTION ;; id = 12954 ;; 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) ;; fjfi.cvut.cz. IN DS ;; ANSWER SECTION (2 records) fjfi.cvut.cz. 6400 IN DS ( 38165 13 2 7ab800d2cdc2473310082280d01997421f7a2e2ba6665eed566c9185cad86b34 ) fjfi.cvut.cz. 6400 IN RRSIG ( DS 13 3 6400 20261028190734 20260929054112 41860 cvut.cz. OySFBUku+bP0ocZ5fQ587VbNwdz//xGVpCSk07Anl0i05Y5KuWGa7VDvBZM3294TMUEz8Fq9LlrL 453s7aMEfA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 1 DS records for fjfi.cvut.cz in the cvut.cz zone
	DS=38165/SHA-256 has algorithm ECDSAP256SHA256
	Found 1 RRSIGs over DS RRset
	`fjfi.cvut.cz. 6400 IN RRSIG ( DS 13 3 6400 20261028190734 20260929054112 41860 cvut.cz. OySFBUku+bP0ocZ5fQ587VbNwdz//xGVpCSk07Anl0i05Y5KuWGa7VDvBZM3294TMUEz8Fq9LlrL 453s7aMEfA== )`
	RRSIG=41860 and DNSKEY=41860/SEP verifies the DS RRset
	DS=38165/SHA-256 is now in the chain-of-trust
	`fjfi.cvut.cz. 6400 IN DS ( 38165 13 2 7ab800d2cdc2473310082280d01997421f7a2e2ba6665eed566c9185cad86b34 )`
	Query to ns.fjfi.cvut.cz for fjfi.cvut.cz/DNSKEY
	Received 229 bytes from 147.32.9.4
	;; Response received from [147.32.9.4] 229 octets ;; HEADER SECTION ;; id = 51255 ;; 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) ;; fjfi.cvut.cz. IN DNSKEY ;; ANSWER SECTION (2 records) fjfi.cvut.cz. 3600 IN DNSKEY ( 257 3 13 l7MxV52nt39t7MOm671j3UYMUbqGJ2MO6yUFuvdRijXt4wUDnGyY7BesZmxRDt/weAshPRsQOsqr 98S1espMUA== ) ; keytag 38165 fjfi.cvut.cz. 3600 IN RRSIG ( DNSKEY 13 3 3600 20261011191654 20260927184614 38165 fjfi.cvut.cz. O5NDBeKXCly8X8VkSBkZIkxiP9Q89+B8bNYXQiD1V1Uaa2E1FxFUK7AYw0CDMjaAsrmzFDSjZPWS 3tAspif9jg== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 1 DNSKEY records for fjfi.cvut.cz
	`fjfi.cvut.cz. 3600 IN DNSKEY ( 257 3 13 l7MxV52nt39t7MOm671j3UYMUbqGJ2MO6yUFuvdRijXt4wUDnGyY7BesZmxRDt/weAshPRsQOsqr 98S1espMUA== ) ; keytag 38165`
	DNSKEY=38165/SEP is now in the chain-of-trust
	DS=38165/SHA-256 verifies DNSKEY=38165/SEP
	Found 1 RRSIGs over DNSKEY RRset
	`fjfi.cvut.cz. 3600 IN RRSIG ( DNSKEY 13 3 3600 20261011191654 20260927184614 38165 fjfi.cvut.cz. O5NDBeKXCly8X8VkSBkZIkxiP9Q89+B8bNYXQiD1V1Uaa2E1FxFUK7AYw0CDMjaAsrmzFDSjZPWS 3tAspif9jg== )`
	RRSIG=38165 and DNSKEY=38165/SEP verifies the DNSKEY RRset
	Query to ns.fjfi.cvut.cz for fjfi.cvut.cz/A
	Received 573 bytes from 147.32.9.4
	;; Response received from [147.32.9.4] 573 octets ;; HEADER SECTION ;; id = 95 ;; 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 = 3 arcount = 5 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ;; {"EXTENDED-ERROR": {"ERROR": "Prohibited", "EXTRA-TEXT": "", "INFO-CODE": 18}} ] ;; } ;; QUESTION SECTION (1 record) ;; fjfi.cvut.cz. IN A ;; ANSWER SECTION (2 records) fjfi.cvut.cz. 600 IN A 147.32.9.93 fjfi.cvut.cz. 600 IN RRSIG ( A 13 3 600 20261018010121 20261004003317 38165 fjfi.cvut.cz. 7kFtU5u1MXzcoEBLTJsojHuDFKPczzLzd3Ft7w6WCRmjsnPiUDrluAM6852fiW23WlBropgf0U3m yZmQPR+K+Q== ) ;; AUTHORITY SECTION (3 records) fjfi.cvut.cz. 3600 IN NS ns.fjfi.cvut.cz. fjfi.cvut.cz. 3600 IN NS ns.cvut.cz. fjfi.cvut.cz. 3600 IN RRSIG ( NS 13 3 3600 20261011145938 20260927143330 38165 fjfi.cvut.cz. Br4BniBc4uVufoWpaxOC4mS1oj2GBVgfB0c8UeE8OZc7F7HIRdUw5VVx/sk/Don/ozi63ms+4Dg+ 4H0zMbpiVA== ) ;; ADDITIONAL SECTION (5 records) ns.fjfi.cvut.cz. 3600 IN A 147.32.9.4 ns.fjfi.cvut.cz. 3600 IN AAAA 2001:718:2:1900::4 ns.fjfi.cvut.cz. 3600 IN RRSIG ( A 13 4 3600 20261011202609 20260927194444 38165 fjfi.cvut.cz. fr5RXPS5PHa5gkd3gBEyNGzlCfwgFOmocmzMjiIjNMM4HK/k+ykzG1+rkvTwgf0U3NpMi3YpodLR uLMW9g4hZA== ) ns.fjfi.cvut.cz. 3600 IN RRSIG ( AAAA 13 4 3600 20261011202609 20260927194444 38165 fjfi.cvut.cz. My2qaGk1pzDF+WNhGdZAUQi61GcMwc/G6nCXOve5hAiDYD8SOA3RhvdoRPOg3QKWk8NzonWku4Cf g5ofhr767w== ) ;; { "EDNS-VERSION": 0 }
	ns.fjfi.cvut.cz is authoritative for fjfi.cvut.cz
	Found RRSIG signed by fjfi.cvut.cz zone
	Query to ns.cvut.cz for fjfi.cvut.cz/SOA
	Received 599 bytes from 147.32.1.20
	;; Response received from [147.32.1.20] 599 octets ;; HEADER SECTION ;; id = 45906 ;; 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 = 3 arcount = 5 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ;; {"EXTENDED-ERROR": {"ERROR": "Prohibited", "EXTRA-TEXT": "", "INFO-CODE": 18}} ] ;; } ;; QUESTION SECTION (1 record) ;; fjfi.cvut.cz. IN SOA ;; ANSWER SECTION (2 records) fjfi.cvut.cz. 3600 IN SOA ( ns.fjfi.cvut.cz. vokac.fjfi.cvut.cz. 2008292078 ;serial 10800 ;refresh 1800 ;retry 1209600 ;expire 1800 ;minimum ) fjfi.cvut.cz. 3600 IN RRSIG ( SOA 13 3 3600 20261018013317 20261004003317 38165 fjfi.cvut.cz. c2Lrad5OgDZFv9hBzcF2R5g5da5Q8IKuf4FNraN5opWyNknafRYGt8gOaSo0kBHAIqerX2WWo7TD R2BRyQX1yg== ) ;; AUTHORITY SECTION (3 records) fjfi.cvut.cz. 3600 IN NS ns.fjfi.cvut.cz. fjfi.cvut.cz. 3600 IN NS ns.cvut.cz. fjfi.cvut.cz. 3600 IN RRSIG ( NS 13 3 3600 20261011145938 20260927143330 38165 fjfi.cvut.cz. Br4BniBc4uVufoWpaxOC4mS1oj2GBVgfB0c8UeE8OZc7F7HIRdUw5VVx/sk/Don/ozi63ms+4Dg+ 4H0zMbpiVA== ) ;; ADDITIONAL SECTION (5 records) ns.fjfi.cvut.cz. 3600 IN A 147.32.9.4 ns.fjfi.cvut.cz. 3600 IN AAAA 2001:718:2:1900::4 ns.fjfi.cvut.cz. 3600 IN RRSIG ( A 13 4 3600 20261011202609 20260927194444 38165 fjfi.cvut.cz. fr5RXPS5PHa5gkd3gBEyNGzlCfwgFOmocmzMjiIjNMM4HK/k+ykzG1+rkvTwgf0U3NpMi3YpodLR uLMW9g4hZA== ) ns.fjfi.cvut.cz. 3600 IN RRSIG ( AAAA 13 4 3600 20261011202609 20260927194444 38165 fjfi.cvut.cz. My2qaGk1pzDF+WNhGdZAUQi61GcMwc/G6nCXOve5hAiDYD8SOA3RhvdoRPOg3QKWk8NzonWku4Cf g5ofhr767w== ) ;; { "EDNS-VERSION": 0 }
	Query to ns.fjfi.cvut.cz for fjfi.cvut.cz/A
	fjfi.cvut.cz A RR has value 147.32.9.93
	Found 1 RRSIGs over A RRset
	`fjfi.cvut.cz. 600 IN RRSIG ( A 13 3 600 20261018010121 20261004003317 38165 fjfi.cvut.cz. 7kFtU5u1MXzcoEBLTJsojHuDFKPczzLzd3Ft7w6WCRmjsnPiUDrluAM6852fiW23WlBropgf0U3m yZmQPR+K+Q== )`
	RRSIG=38165 and DNSKEY=38165/SEP verifies the A RRset

fjfi.cvut.cz

	Query to ns.cvut.cz for fjfi.cvut.cz/A
	Received 573 bytes from 147.32.1.20
	;; Response received from [147.32.1.20] 573 octets ;; HEADER SECTION ;; id = 31717 ;; 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 = 3 arcount = 5 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ;; {"EXTENDED-ERROR": {"ERROR": "Prohibited", "EXTRA-TEXT": "", "INFO-CODE": 18}} ] ;; } ;; QUESTION SECTION (1 record) ;; fjfi.cvut.cz. IN A ;; ANSWER SECTION (2 records) fjfi.cvut.cz. 600 IN A 147.32.9.93 fjfi.cvut.cz. 600 IN RRSIG ( A 13 3 600 20261018010121 20261004003317 38165 fjfi.cvut.cz. 7kFtU5u1MXzcoEBLTJsojHuDFKPczzLzd3Ft7w6WCRmjsnPiUDrluAM6852fiW23WlBropgf0U3m yZmQPR+K+Q== ) ;; AUTHORITY SECTION (3 records) fjfi.cvut.cz. 3600 IN NS ns.fjfi.cvut.cz. fjfi.cvut.cz. 3600 IN NS ns.cvut.cz. fjfi.cvut.cz. 3600 IN RRSIG ( NS 13 3 3600 20261011145938 20260927143330 38165 fjfi.cvut.cz. Br4BniBc4uVufoWpaxOC4mS1oj2GBVgfB0c8UeE8OZc7F7HIRdUw5VVx/sk/Don/ozi63ms+4Dg+ 4H0zMbpiVA== ) ;; ADDITIONAL SECTION (5 records) ns.fjfi.cvut.cz. 3600 IN A 147.32.9.4 ns.fjfi.cvut.cz. 3600 IN AAAA 2001:718:2:1900::4 ns.fjfi.cvut.cz. 3600 IN RRSIG ( A 13 4 3600 20261011202609 20260927194444 38165 fjfi.cvut.cz. fr5RXPS5PHa5gkd3gBEyNGzlCfwgFOmocmzMjiIjNMM4HK/k+ykzG1+rkvTwgf0U3NpMi3YpodLR uLMW9g4hZA== ) ns.fjfi.cvut.cz. 3600 IN RRSIG ( AAAA 13 4 3600 20261011202609 20260927194444 38165 fjfi.cvut.cz. My2qaGk1pzDF+WNhGdZAUQi61GcMwc/G6nCXOve5hAiDYD8SOA3RhvdoRPOg3QKWk8NzonWku4Cf g5ofhr767w== ) ;; { "EDNS-VERSION": 0 }
	ns.cvut.cz is authoritative for fjfi.cvut.cz
	Found RRSIG signed by fjfi.cvut.cz zone
	Query to ns.cvut.cz for fjfi.cvut.cz/A
	fjfi.cvut.cz A RR has value 147.32.9.93
	Found 1 RRSIGs over A RRset
	`fjfi.cvut.cz. 600 IN RRSIG ( A 13 3 600 20261018010121 20261004003317 38165 fjfi.cvut.cz. 7kFtU5u1MXzcoEBLTJsojHuDFKPczzLzd3Ft7w6WCRmjsnPiUDrluAM6852fiW23WlBropgf0U3m yZmQPR+K+Q== )`
	RRSIG=38165 and DNSKEY=38165/SEP verifies the A RRset

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