DNSSEC Analyzer - fjfi.cvut.cz

Domain Name:

Time: 2021-04-22 11:56:34 UTC, NTP stratum 4

Analyzing DNSSEC problems for fjfi.cvut.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 g.root-servers.net for ./DNSKEY
	Received 864 bytes from 192.112.36.4
	;; Answer received from 192.112.36.4 (864 bytes) ;; HEADER SECTION ;; id = 54907 ;; 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: NOERROR ;; size: 4096 ;; option: ;; 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 AwEAAa+HvD7XXjmL+1htThUQyZW7oWGnjzKHJASg3TSR5Bmu5LfnSVW7fxqZa2oAYo2ionIQWyqA j/loApzg8GNMhyIibftPJso54uWRQ2GaoMrwLD5SLu676kf7urJq6nqdjNC0aJM/C888li69lVH6 tiu2tZm1NH3cmgfnMUJpD60bsrDUqs7XwftmNkdkHa4ltQbM3UNPyfTaNBQYoH3wpOpSjdk3tyDR nreBO6Idrw+DGf/rve4sL3qiSaXfYIkcwAwozxR34iHU5dbCDs8S6FmZYhoSVKVgNSUkudxhd9/6 RrZkYRgvwRsQXl3UwsacU1DsXcORqIC+7NlQ6M2OJVU= ) ; Key ID = 14631 . 172800 IN RRSIG ( DNSKEY 8 0 172800 20210512000000 20210421000000 20326 . bx5MOQGiU0gAwVPCF6fPBYdApVZCvs4fZ3603lzlRdtiHNsNSk2j/mVU7UD6oZkA/q/AIucEPGMD Lua0HNNnfhW8QsYssPHURJpcOUhgt17GinADGwADQYSI6fH12kFnb5wIZ/jznJ58dCdJDr0E7tg6 GarIqeu190nLM+sp75CNlKEG3HrrdSIGLWY8CFU1wLcU43ZAXaCiO5D6XwV8j7WUOs0n8XB48JzO yq4nZ/9Pt6Nl1QWT1UMrGZPPpBBeBKFeggIiGmDuzCn/nrk8F5zuN8f8RvhCxJZi1Kf6rEB0l79X XZ+JnpyjIJrNSNsDxeTQkO5NgXOrols1Gxv/QA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 4096 ;; option:
	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 AwEAAa+HvD7XXjmL+1htThUQyZW7oWGnjzKHJASg3TSR5Bmu5LfnSVW7fxqZa2oAYo2ionIQWyqA j/loApzg8GNMhyIibftPJso54uWRQ2GaoMrwLD5SLu676kf7urJq6nqdjNC0aJM/C888li69lVH6 tiu2tZm1NH3cmgfnMUJpD60bsrDUqs7XwftmNkdkHa4ltQbM3UNPyfTaNBQYoH3wpOpSjdk3tyDR nreBO6Idrw+DGf/rve4sL3qiSaXfYIkcwAwozxR34iHU5dbCDs8S6FmZYhoSVKVgNSUkudxhd9/6 RrZkYRgvwRsQXl3UwsacU1DsXcORqIC+7NlQ6M2OJVU= ) ; Key ID = 14631`
	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 20210512000000 20210421000000 20326 . bx5MOQGiU0gAwVPCF6fPBYdApVZCvs4fZ3603lzlRdtiHNsNSk2j/mVU7UD6oZkA/q/AIucEPGMD Lua0HNNnfhW8QsYssPHURJpcOUhgt17GinADGwADQYSI6fH12kFnb5wIZ/jznJ58dCdJDr0E7tg6 GarIqeu190nLM+sp75CNlKEG3HrrdSIGLWY8CFU1wLcU43ZAXaCiO5D6XwV8j7WUOs0n8XB48JzO yq4nZ/9Pt6Nl1QWT1UMrGZPPpBBeBKFeggIiGmDuzCn/nrk8F5zuN8f8RvhCxJZi1Kf6rEB0l79X XZ+JnpyjIJrNSNsDxeTQkO5NgXOrols1Gxv/QA== )`
	RRSIG=20326 and DNSKEY=20326/SEP verifies the DNSKEY RRset
	DNSKEY=14631 is now in the chain-of-trust
	Query to c.root-servers.net for fjfi.cvut.cz/A
	Received 623 bytes from 192.33.4.12
	;; Answer received from 192.33.4.12 (623 bytes) ;; HEADER SECTION ;; id = 10222 ;; 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: NOERROR ;; size: 1232 ;; option: ;; QUESTION SECTION (1 record) ;; fjfi.cvut.cz. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (6 records) cz. 172800 IN NS b.ns.nic.cz. cz. 172800 IN NS a.ns.nic.cz. cz. 172800 IN NS d.ns.nic.cz. cz. 172800 IN NS c.ns.nic.cz. cz. 86400 IN DS ( 20237 13 2 cff0f3ecdbc529c1f0031ba1840bfb835853b9209ed1e508fff48451d7b778e2 ) cz. 86400 IN RRSIG ( DS 8 1 86400 20210505050000 20210422040000 14631 . jlaJap5Y5std+mIbLaa3bobavF6/kx4jv5rhuEPh1C2DWI5oXPuNack5QrfgjFTVFMFU8nsnH/mi vqSsKr0fgw50uh3sdus0EpAA3N8qDRD5LG+bloTuFjHOg409Nw3k6/l7ZzpaaWs4kwZGjjurFt0a EbPckwG8hXicNhKKuGhbD6wq9+k8SlZms+xjkCJuOA8H3Uu94p5lQ8QF5BqrMtmJhUph7OC9CzHi d740pS6R/9Rw5lcdUzzaJElIOZ5epZw1nR+zHdToKUtoKGEDk/2hoRN7zFySii0AS4G0MsIQt3MJ P1lilAVC8+CjNNKRQdwu5NWydpd1Ck958yXWGQ== ) ;; 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 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option:
	Query to k.root-servers.net for cz/DNSKEY
	Received 613 bytes from 193.0.14.129
	;; Answer received from 193.0.14.129 (613 bytes) ;; HEADER SECTION ;; id = 63970 ;; 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: NOERROR ;; size: 1232 ;; option: ;; 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 20210505050000 20210422040000 14631 . jlaJap5Y5std+mIbLaa3bobavF6/kx4jv5rhuEPh1C2DWI5oXPuNack5QrfgjFTVFMFU8nsnH/mi vqSsKr0fgw50uh3sdus0EpAA3N8qDRD5LG+bloTuFjHOg409Nw3k6/l7ZzpaaWs4kwZGjjurFt0a EbPckwG8hXicNhKKuGhbD6wq9+k8SlZms+xjkCJuOA8H3Uu94p5lQ8QF5BqrMtmJhUph7OC9CzHi d740pS6R/9Rw5lcdUzzaJElIOZ5epZw1nR+zHdToKUtoKGEDk/2hoRN7zFySii0AS4G0MsIQt3MJ P1lilAVC8+CjNNKRQdwu5NWydpd1Ck958yXWGQ== ) ;; 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 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option:
	Found child zone cz

	Checking DS between . and cz
	Query to h.root-servers.net for cz/DS
	Received 366 bytes from 198.97.190.53
	;; Answer received from 198.97.190.53 (366 bytes) ;; HEADER SECTION ;; id = 10697 ;; 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: NOERROR ;; size: 1232 ;; option: ;; 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 20210505050000 20210422040000 14631 . jlaJap5Y5std+mIbLaa3bobavF6/kx4jv5rhuEPh1C2DWI5oXPuNack5QrfgjFTVFMFU8nsnH/mi vqSsKr0fgw50uh3sdus0EpAA3N8qDRD5LG+bloTuFjHOg409Nw3k6/l7ZzpaaWs4kwZGjjurFt0a EbPckwG8hXicNhKKuGhbD6wq9+k8SlZms+xjkCJuOA8H3Uu94p5lQ8QF5BqrMtmJhUph7OC9CzHi d740pS6R/9Rw5lcdUzzaJElIOZ5epZw1nR+zHdToKUtoKGEDk/2hoRN7zFySii0AS4G0MsIQt3MJ P1lilAVC8+CjNNKRQdwu5NWydpd1Ck958yXWGQ== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option:
	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 20210505050000 20210422040000 14631 . jlaJap5Y5std+mIbLaa3bobavF6/kx4jv5rhuEPh1C2DWI5oXPuNack5QrfgjFTVFMFU8nsnH/mi vqSsKr0fgw50uh3sdus0EpAA3N8qDRD5LG+bloTuFjHOg409Nw3k6/l7ZzpaaWs4kwZGjjurFt0a EbPckwG8hXicNhKKuGhbD6wq9+k8SlZms+xjkCJuOA8H3Uu94p5lQ8QF5BqrMtmJhUph7OC9CzHi d740pS6R/9Rw5lcdUzzaJElIOZ5epZw1nR+zHdToKUtoKGEDk/2hoRN7zFySii0AS4G0MsIQt3MJ P1lilAVC8+CjNNKRQdwu5NWydpd1Ck958yXWGQ== )`
	RRSIG=14631 and DNSKEY=14631 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 387 bytes from 194.0.13.1
	;; Answer received from 194.0.13.1 (387 bytes) ;; HEADER SECTION ;; id = 9578 ;; 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 = 1 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option: ;; QUESTION SECTION (1 record) ;; cz. IN DNSKEY ;; ANSWER SECTION (4 records) cz. 18000 IN DNSKEY ( 256 3 13 h1Ft69u2wLt1FRU5PRbDkxStIrQqSTqgIz/nVFgoCpvm217rjwubDueTY3VCT1mNO0xC76IjyQcQ 4hWTXCZVVQ== ) ; Key ID = 17014 cz. 18000 IN DNSKEY ( 257 3 13 nqzH7xP1QU5UOVy/VvxFSlrB/XgX9JDJzj51PzIj35TXjZTyalTlAT/f7PAfaSD5mEG1N8Vk9NmI 2nxgQqhzDQ== ) ; Key ID = 20237 cz. 18000 IN RRSIG ( DNSKEY 13 1 18000 20210427000000 20210413000000 20237 cz. MneJzjrx7lN42UBcz2h4TvZv/8/iigJEKXJwGd17aLkYYBaawN0e+QmcH3ldcyVJ73K8cK+w1X+t r0mbeDPu7w== ) cz. 18000 IN RRSIG ( DNSKEY 13 1 18000 20210506004644 20210422103535 17014 cz. TY4zHz0PTjlD36iT4JlnlLtjFzFmtWsxv0y4qPCgfZQOpaJBeJ4AJuN4Fv+CU2zfA9GX69DAC4oh D0DQbIAxyA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option:
	Found 2 DNSKEY records for cz
	`cz. 18000 IN DNSKEY ( 256 3 13 h1Ft69u2wLt1FRU5PRbDkxStIrQqSTqgIz/nVFgoCpvm217rjwubDueTY3VCT1mNO0xC76IjyQcQ 4hWTXCZVVQ== ) ; Key ID = 17014`
	`cz. 18000 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 2 RRSIGs over DNSKEY RRset
	`cz. 18000 IN RRSIG ( DNSKEY 13 1 18000 20210427000000 20210413000000 20237 cz. MneJzjrx7lN42UBcz2h4TvZv/8/iigJEKXJwGd17aLkYYBaawN0e+QmcH3ldcyVJ73K8cK+w1X+t r0mbeDPu7w== )`
	`cz. 18000 IN RRSIG ( DNSKEY 13 1 18000 20210506004644 20210422103535 17014 cz. TY4zHz0PTjlD36iT4JlnlLtjFzFmtWsxv0y4qPCgfZQOpaJBeJ4AJuN4Fv+CU2zfA9GX69DAC4oh D0DQbIAxyA== )`
	RRSIG=20237 and DNSKEY=20237/SEP verifies the DNSKEY RRset
	RRSIG=17014 and DNSKEY=17014 verifies the DNSKEY RRset
	DNSKEY=17014 is now in the chain-of-trust
	Query to c.ns.nic.cz for fjfi.cvut.cz/A
	Received 310 bytes from 194.0.14.1
	;; Answer received from 194.0.14.1 (310 bytes) ;; HEADER SECTION ;; id = 54203 ;; 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 = 4 arcount = 5 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option: ;; QUESTION SECTION (1 record) ;; fjfi.cvut.cz. IN A ;; 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 20210501045040 20210418013540 17014 cz. kmDtcrlHIF4QZo8zEl5cXfBfX5vGqsrrYm3/GdfVAZZWq6r9DNtZ6ieET8fQxTNNi1HNNU7RSSwm PsoCV/+6sg== ) ;; 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 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option:
	Query to b.ns.nic.cz for cvut.cz/DNSKEY
	Received 305 bytes from 194.0.13.1
	;; Answer received from 194.0.13.1 (305 bytes) ;; HEADER SECTION ;; id = 38698 ;; 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 = 4 arcount = 5 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option: ;; 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 20210501045040 20210418013540 17014 cz. kmDtcrlHIF4QZo8zEl5cXfBfX5vGqsrrYm3/GdfVAZZWq6r9DNtZ6ieET8fQxTNNi1HNNU7RSSwm PsoCV/+6sg== ) ;; 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 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option:
	Found child zone cvut.cz

cvut.cz

	Checking DS between cz and cvut.cz
	Query to a.ns.nic.cz for cvut.cz/DS
	Received 182 bytes from 194.0.12.1
	;; Answer received from 194.0.12.1 (182 bytes) ;; HEADER SECTION ;; id = 52896 ;; 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: NOERROR ;; size: 1232 ;; option: ;; 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 20210501045040 20210418013540 17014 cz. kmDtcrlHIF4QZo8zEl5cXfBfX5vGqsrrYm3/GdfVAZZWq6r9DNtZ6ieET8fQxTNNi1HNNU7RSSwm PsoCV/+6sg== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option:
	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 20210501045040 20210418013540 17014 cz. kmDtcrlHIF4QZo8zEl5cXfBfX5vGqsrrYm3/GdfVAZZWq6r9DNtZ6ieET8fQxTNNi1HNNU7RSSwm PsoCV/+6sg== )`
	RRSIG=17014 and DNSKEY=17014 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
	;; Answer received from 147.32.1.9 (219 bytes) ;; HEADER SECTION ;; id = 10738 ;; 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: NOERROR ;; size: 1232 ;; option: ;; QUESTION SECTION (1 record) ;; cvut.cz. IN DNSKEY ;; ANSWER SECTION (2 records) cvut.cz. 6400 IN DNSKEY ( 257 3 13 +XkJfh9Fh5wGJVpntLyKQRXkrRQhP+kL3lnJ1SQfG3XTjW9WBBknfO37yynPQtat8S+kIuOJZaSg kLmMfS8drQ== ) ; Key ID = 41860 cvut.cz. 6400 IN RRSIG ( DNSKEY 13 2 6400 20210519043650 20210419034629 41860 cvut.cz. PJ/lnijmDYk3MPgjO2FuqTJQ7cbBJQ1mXiehSKi/fWrjtypVL8qapTuIVt/QXw8SKxx1l9HXoeDo +wFIZ8V+GA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option:
	Found 1 DNSKEY records for cvut.cz
	`cvut.cz. 6400 IN DNSKEY ( 257 3 13 +XkJfh9Fh5wGJVpntLyKQRXkrRQhP+kL3lnJ1SQfG3XTjW9WBBknfO37yynPQtat8S+kIuOJZaSg kLmMfS8drQ== ) ; Key ID = 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 20210519043650 20210419034629 41860 cvut.cz. PJ/lnijmDYk3MPgjO2FuqTJQ7cbBJQ1mXiehSKi/fWrjtypVL8qapTuIVt/QXw8SKxx1l9HXoeDo +wFIZ8V+GA== )`
	RRSIG=41860 and DNSKEY=41860/SEP verifies the DNSKEY RRset
	Query to nss.cvut.cz for fjfi.cvut.cz/A
	Received 306 bytes from 147.32.1.9
	;; Answer received from 147.32.1.9 (306 bytes) ;; HEADER SECTION ;; id = 28670 ;; 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 = 5 arcount = 3 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option: ;; QUESTION SECTION (1 record) ;; fjfi.cvut.cz. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (5 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 1 e828e7f19a7727f9abc9f21e06829d8a4b3b278b ) fjfi.cvut.cz. 6400 IN DS ( 38165 13 2 7ab800d2cdc2473310082280d01997421f7a2e2ba6665eed566c9185cad86b34 ) fjfi.cvut.cz. 6400 IN RRSIG ( DS 13 3 6400 20210510065420 20210410064655 41860 cvut.cz. EXRHrgB4m/StoML+pLn5v0RXNuJojeqHBZc4gMOPU8+hVdZUBDGLm7S/ALECpqwmdEG3ysNDNP5N Nze6kr/PDw== ) ;; 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 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option:
	Query to nss.cvut.cz for fjfi.cvut.cz/DNSKEY
	Received 306 bytes from 147.32.1.9
	;; Answer received from 147.32.1.9 (306 bytes) ;; HEADER SECTION ;; id = 8779 ;; 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 = 5 arcount = 3 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option: ;; QUESTION SECTION (1 record) ;; fjfi.cvut.cz. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (5 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 1 e828e7f19a7727f9abc9f21e06829d8a4b3b278b ) fjfi.cvut.cz. 6400 IN DS ( 38165 13 2 7ab800d2cdc2473310082280d01997421f7a2e2ba6665eed566c9185cad86b34 ) fjfi.cvut.cz. 6400 IN RRSIG ( DS 13 3 6400 20210510065420 20210410064655 41860 cvut.cz. EXRHrgB4m/StoML+pLn5v0RXNuJojeqHBZc4gMOPU8+hVdZUBDGLm7S/ALECpqwmdEG3ysNDNP5N Nze6kr/PDw== ) ;; 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 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option:
	Found child zone fjfi.cvut.cz

fjfi.cvut.cz

	Checking DS between cvut.cz and fjfi.cvut.cz
	Query to ns.cvut.cz for fjfi.cvut.cz/DS
	Received 228 bytes from 147.32.1.20
	;; Answer received from 147.32.1.20 (228 bytes) ;; HEADER SECTION ;; id = 24667 ;; 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: NOERROR ;; size: 1232 ;; option: ;; QUESTION SECTION (1 record) ;; fjfi.cvut.cz. IN DS ;; ANSWER SECTION (3 records) fjfi.cvut.cz. 6400 IN DS ( 38165 13 2 7ab800d2cdc2473310082280d01997421f7a2e2ba6665eed566c9185cad86b34 ) fjfi.cvut.cz. 6400 IN DS ( 38165 13 1 e828e7f19a7727f9abc9f21e06829d8a4b3b278b ) fjfi.cvut.cz. 6400 IN RRSIG ( DS 13 3 6400 20210510065420 20210410064655 41860 cvut.cz. EXRHrgB4m/StoML+pLn5v0RXNuJojeqHBZc4gMOPU8+hVdZUBDGLm7S/ALECpqwmdEG3ysNDNP5N Nze6kr/PDw== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option:
	Found 2 DS records for fjfi.cvut.cz in the cvut.cz zone
	DS=38165/SHA-256 has algorithm ECDSAP256SHA256
	DS=38165/SHA-1 has algorithm ECDSAP256SHA256
	Found 1 RRSIGs over DS RRset
	`fjfi.cvut.cz. 6400 IN RRSIG ( DS 13 3 6400 20210510065420 20210410064655 41860 cvut.cz. EXRHrgB4m/StoML+pLn5v0RXNuJojeqHBZc4gMOPU8+hVdZUBDGLm7S/ALECpqwmdEG3ysNDNP5N Nze6kr/PDw== )`
	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 )`
	`fjfi.cvut.cz. 6400 IN DS ( 38165 13 1 e828e7f19a7727f9abc9f21e06829d8a4b3b278b )`
	Query to ns.cvut.cz for fjfi.cvut.cz/DNSKEY
	Received 229 bytes from 147.32.1.20
	;; Answer received from 147.32.1.20 (229 bytes) ;; HEADER SECTION ;; id = 45965 ;; 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: NOERROR ;; size: 1232 ;; option: ;; 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== ) ; Key ID = 38165 fjfi.cvut.cz. 3600 IN RRSIG ( DNSKEY 13 3 3600 20210525020228 20210415014003 38165 fjfi.cvut.cz. md5dzPg0yYfExFtleu6/vCbeMWbQj2NFv1jrhc1oUtY4b1s9FQ4X74+Zu1vGxFbAnHcWhO4YrJuz XNPUiEbFhw== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option:
	Found 1 DNSKEY records for fjfi.cvut.cz
	`fjfi.cvut.cz. 3600 IN DNSKEY ( 257 3 13 l7MxV52nt39t7MOm671j3UYMUbqGJ2MO6yUFuvdRijXt4wUDnGyY7BesZmxRDt/weAshPRsQOsqr 98S1espMUA== ) ; Key ID = 38165`
	DNSKEY=38165/SEP is now in the chain-of-trust
	DS=38165/SHA-256 verifies DNSKEY=38165/SEP
	DS=38165/SHA-1 verifies DNSKEY=38165/SEP
	Found 1 RRSIGs over DNSKEY RRset
	`fjfi.cvut.cz. 3600 IN RRSIG ( DNSKEY 13 3 3600 20210525020228 20210415014003 38165 fjfi.cvut.cz. md5dzPg0yYfExFtleu6/vCbeMWbQj2NFv1jrhc1oUtY4b1s9FQ4X74+Zu1vGxFbAnHcWhO4YrJuz XNPUiEbFhw== )`
	RRSIG=38165 and DNSKEY=38165/SEP verifies the DNSKEY RRset
	Query to ns.fjfi.cvut.cz for fjfi.cvut.cz/A
	Received 615 bytes from 147.32.9.4
	;; Answer received from 147.32.9.4 (615 bytes) ;; HEADER SECTION ;; id = 37870 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 5 nscount = 3 arcount = 5 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 4096 ;; option: ;; QUESTION SECTION (1 record) ;; fjfi.cvut.cz. IN A ;; ANSWER SECTION (5 records) fjfi.cvut.cz. 600 IN A 147.32.25.4 fjfi.cvut.cz. 600 IN A 147.32.22.12 fjfi.cvut.cz. 600 IN A 147.32.9.22 fjfi.cvut.cz. 600 IN A 147.32.9.142 fjfi.cvut.cz. 600 IN RRSIG ( A 13 3 600 20210518120815 20210408120319 38165 fjfi.cvut.cz. Kb/437WRS4nQXLDhHbJGOeoHTCYxBAc8SHjoAFQ7sZj4eJIEZGdS14ycBv58VOvmioZiZhLfhZLo X3PdacSDDQ== ) ;; 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 20210525041803 20210415031944 38165 fjfi.cvut.cz. k8OxsDjD4XxOZhedHHBmvLwej92+1qrALLdNTjRYCzAckjBrW0agpZR4mcXWrqdgHHGFpHqjjuy1 btgClFYcUA== ) ;; 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 20210525023930 20210415020904 38165 fjfi.cvut.cz. rqaBg/336fu5LPgXtyMTKsyYiJqouX5LIEJf273RcCWfHjmVRs1HT2eYjRGNxp9OtmQ6CjbAXVfC qhXMb7Lb2g== ) ns.fjfi.cvut.cz. 3600 IN RRSIG ( AAAA 13 4 3600 20210525020020 20210415012600 38165 fjfi.cvut.cz. DaAR3qY0iApO5Wf5UePbQy/vmScxjy9ITyedHJl2CZvteAdl4ahivuLiS8lHmE1t2UylGWtxoNSX q89MDPjjDg== ) ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 4096 ;; option:
	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 593 bytes from 147.32.1.20
	;; Answer received from 147.32.1.20 (593 bytes) ;; HEADER SECTION ;; id = 45123 ;; 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 = 3 arcount = 5 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option: ;; 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. 2008196872 ;serial 10800 ;refresh 1800 ;retry 1209600 ;expire 1800 ;minimum ) fjfi.cvut.cz. 3600 IN RRSIG ( SOA 13 3 3600 20210601100420 20210422090420 38165 fjfi.cvut.cz. /LcicKcGCroMndAGlcMOUhiKAmsZKBoJIyamksndl9XYX3Dli0m9ix0UvokSpy+tzM8yZlpQHA0+ JYdQsF7GTA== ) ;; AUTHORITY SECTION (3 records) fjfi.cvut.cz. 3600 IN NS ns.cvut.cz. fjfi.cvut.cz. 3600 IN NS ns.fjfi.cvut.cz. fjfi.cvut.cz. 3600 IN RRSIG ( NS 13 3 3600 20210525041803 20210415031944 38165 fjfi.cvut.cz. k8OxsDjD4XxOZhedHHBmvLwej92+1qrALLdNTjRYCzAckjBrW0agpZR4mcXWrqdgHHGFpHqjjuy1 btgClFYcUA== ) ;; 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 20210525023930 20210415020904 38165 fjfi.cvut.cz. rqaBg/336fu5LPgXtyMTKsyYiJqouX5LIEJf273RcCWfHjmVRs1HT2eYjRGNxp9OtmQ6CjbAXVfC qhXMb7Lb2g== ) ns.fjfi.cvut.cz. 3600 IN RRSIG ( AAAA 13 4 3600 20210525020020 20210415012600 38165 fjfi.cvut.cz. DaAR3qY0iApO5Wf5UePbQy/vmScxjy9ITyedHJl2CZvteAdl4ahivuLiS8lHmE1t2UylGWtxoNSX q89MDPjjDg== ) ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option:
	Query to ns.fjfi.cvut.cz for fjfi.cvut.cz/A
	Received 615 bytes from 147.32.9.4
	;; Answer received from 147.32.9.4 (615 bytes) ;; HEADER SECTION ;; id = 56508 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 5 nscount = 3 arcount = 5 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 4096 ;; option: ;; QUESTION SECTION (1 record) ;; fjfi.cvut.cz. IN A ;; ANSWER SECTION (5 records) fjfi.cvut.cz. 600 IN A 147.32.9.22 fjfi.cvut.cz. 600 IN A 147.32.22.12 fjfi.cvut.cz. 600 IN A 147.32.25.4 fjfi.cvut.cz. 600 IN A 147.32.9.142 fjfi.cvut.cz. 600 IN RRSIG ( A 13 3 600 20210518120815 20210408120319 38165 fjfi.cvut.cz. Kb/437WRS4nQXLDhHbJGOeoHTCYxBAc8SHjoAFQ7sZj4eJIEZGdS14ycBv58VOvmioZiZhLfhZLo X3PdacSDDQ== ) ;; 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 20210525041803 20210415031944 38165 fjfi.cvut.cz. k8OxsDjD4XxOZhedHHBmvLwej92+1qrALLdNTjRYCzAckjBrW0agpZR4mcXWrqdgHHGFpHqjjuy1 btgClFYcUA== ) ;; 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 20210525023930 20210415020904 38165 fjfi.cvut.cz. rqaBg/336fu5LPgXtyMTKsyYiJqouX5LIEJf273RcCWfHjmVRs1HT2eYjRGNxp9OtmQ6CjbAXVfC qhXMb7Lb2g== ) ns.fjfi.cvut.cz. 3600 IN RRSIG ( AAAA 13 4 3600 20210525020020 20210415012600 38165 fjfi.cvut.cz. DaAR3qY0iApO5Wf5UePbQy/vmScxjy9ITyedHJl2CZvteAdl4ahivuLiS8lHmE1t2UylGWtxoNSX q89MDPjjDg== ) ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 4096 ;; option:
	fjfi.cvut.cz A RR has value 147.32.9.22
	fjfi.cvut.cz A RR has value 147.32.22.12
	fjfi.cvut.cz A RR has value 147.32.25.4
	fjfi.cvut.cz A RR has value 147.32.9.142
	Found 1 RRSIGs over A RRset
	`fjfi.cvut.cz. 600 IN RRSIG ( A 13 3 600 20210518120815 20210408120319 38165 fjfi.cvut.cz. Kb/437WRS4nQXLDhHbJGOeoHTCYxBAc8SHjoAFQ7sZj4eJIEZGdS14ycBv58VOvmioZiZhLfhZLo X3PdacSDDQ== )`
	RRSIG=38165 and DNSKEY=38165/SEP verifies the A RRset

fjfi.cvut.cz

	Query to ns.cvut.cz for fjfi.cvut.cz/A
	Received 615 bytes from 147.32.1.20
	;; Answer received from 147.32.1.20 (615 bytes) ;; HEADER SECTION ;; id = 20857 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 5 nscount = 3 arcount = 5 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option: ;; QUESTION SECTION (1 record) ;; fjfi.cvut.cz. IN A ;; ANSWER SECTION (5 records) fjfi.cvut.cz. 600 IN A 147.32.22.12 fjfi.cvut.cz. 600 IN A 147.32.9.142 fjfi.cvut.cz. 600 IN A 147.32.9.22 fjfi.cvut.cz. 600 IN A 147.32.25.4 fjfi.cvut.cz. 600 IN RRSIG ( A 13 3 600 20210518120815 20210408120319 38165 fjfi.cvut.cz. Kb/437WRS4nQXLDhHbJGOeoHTCYxBAc8SHjoAFQ7sZj4eJIEZGdS14ycBv58VOvmioZiZhLfhZLo X3PdacSDDQ== ) ;; AUTHORITY SECTION (3 records) fjfi.cvut.cz. 3600 IN NS ns.cvut.cz. fjfi.cvut.cz. 3600 IN NS ns.fjfi.cvut.cz. fjfi.cvut.cz. 3600 IN RRSIG ( NS 13 3 3600 20210525041803 20210415031944 38165 fjfi.cvut.cz. k8OxsDjD4XxOZhedHHBmvLwej92+1qrALLdNTjRYCzAckjBrW0agpZR4mcXWrqdgHHGFpHqjjuy1 btgClFYcUA== ) ;; 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 20210525023930 20210415020904 38165 fjfi.cvut.cz. rqaBg/336fu5LPgXtyMTKsyYiJqouX5LIEJf273RcCWfHjmVRs1HT2eYjRGNxp9OtmQ6CjbAXVfC qhXMb7Lb2g== ) ns.fjfi.cvut.cz. 3600 IN RRSIG ( AAAA 13 4 3600 20210525020020 20210415012600 38165 fjfi.cvut.cz. DaAR3qY0iApO5Wf5UePbQy/vmScxjy9ITyedHJl2CZvteAdl4ahivuLiS8lHmE1t2UylGWtxoNSX q89MDPjjDg== ) ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option:
	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
	Received 615 bytes from 147.32.1.20
	;; Answer received from 147.32.1.20 (615 bytes) ;; HEADER SECTION ;; id = 60588 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; qdcount = 1 ancount = 5 nscount = 3 arcount = 5 ;; do = 1 ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option: ;; QUESTION SECTION (1 record) ;; fjfi.cvut.cz. IN A ;; ANSWER SECTION (5 records) fjfi.cvut.cz. 600 IN A 147.32.25.4 fjfi.cvut.cz. 600 IN A 147.32.9.22 fjfi.cvut.cz. 600 IN A 147.32.9.142 fjfi.cvut.cz. 600 IN A 147.32.22.12 fjfi.cvut.cz. 600 IN RRSIG ( A 13 3 600 20210518120815 20210408120319 38165 fjfi.cvut.cz. Kb/437WRS4nQXLDhHbJGOeoHTCYxBAc8SHjoAFQ7sZj4eJIEZGdS14ycBv58VOvmioZiZhLfhZLo X3PdacSDDQ== ) ;; AUTHORITY SECTION (3 records) fjfi.cvut.cz. 3600 IN NS ns.cvut.cz. fjfi.cvut.cz. 3600 IN NS ns.fjfi.cvut.cz. fjfi.cvut.cz. 3600 IN RRSIG ( NS 13 3 3600 20210525041803 20210415031944 38165 fjfi.cvut.cz. k8OxsDjD4XxOZhedHHBmvLwej92+1qrALLdNTjRYCzAckjBrW0agpZR4mcXWrqdgHHGFpHqjjuy1 btgClFYcUA== ) ;; 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 20210525023930 20210415020904 38165 fjfi.cvut.cz. rqaBg/336fu5LPgXtyMTKsyYiJqouX5LIEJf273RcCWfHjmVRs1HT2eYjRGNxp9OtmQ6CjbAXVfC qhXMb7Lb2g== ) ns.fjfi.cvut.cz. 3600 IN RRSIG ( AAAA 13 4 3600 20210525020020 20210415012600 38165 fjfi.cvut.cz. DaAR3qY0iApO5Wf5UePbQy/vmScxjy9ITyedHJl2CZvteAdl4ahivuLiS8lHmE1t2UylGWtxoNSX q89MDPjjDg== ) ;; EDNS version 0 ;; flags: 8000 ;; rcode: NOERROR ;; size: 1232 ;; option:
	fjfi.cvut.cz A RR has value 147.32.25.4
	fjfi.cvut.cz A RR has value 147.32.9.22
	fjfi.cvut.cz A RR has value 147.32.9.142
	fjfi.cvut.cz A RR has value 147.32.22.12
	Found 1 RRSIGs over A RRset
	`fjfi.cvut.cz. 600 IN RRSIG ( A 13 3 600 20210518120815 20210408120319 38165 fjfi.cvut.cz. Kb/437WRS4nQXLDhHbJGOeoHTCYxBAc8SHjoAFQ7sZj4eJIEZGdS14ycBv58VOvmioZiZhLfhZLo X3PdacSDDQ== )`
	RRSIG=38165 and DNSKEY=38165/SEP verifies the A RRset

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