DNSSEC Debugger - covid.gov

Back to Verisign Labs Tools

Domain Name:

Detail: more(+) / less(-)

Time: 2026-07-21 13:41:26 UTC

Analyzing DNSSEC problems for covid.gov

DS=20326/SHA-256 is now in the chain-of-trust

DS=38696/SHA-256 is now in the chain-of-trust

	Checking DS between Trust Anchor and .
	`. IN DS ( 20326 8 2 e06d44b80b8f1d39a95c0b0d7c65d08458e880409bbc683457104237c7f8ec8d )`
	`. IN DS ( 38696 8 2 683d2d0acb8c9b712a1948b27f741219298d0a450d612c483af444a4c0fb2b16 )`
	Query to g.root-servers.net for ./DNSKEY
	Received 1141 bytes from 192.112.36.4
	;; Response received from [192.112.36.4] 1141 octets ;; HEADER SECTION ;; id = 21400 ;; qr = 1 aa = 1 tc = 0 rd = 0 opcode = QUERY ;; ra = 0 z = 0 ad = 0 cd = 0 rcode = NOERROR ;; do = 1 co = 0 ;; qdcount = 1 ancount = 4 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; . IN DNSKEY ;; ANSWER SECTION (4 records) . 172800 IN DNSKEY ( 257 3 8 AwEAAa96jeuknZlaeSrvyAJj6ZHv28hhOKkx3rLGXVaC6rXTsDc449/cidltpkyGwCJNnOAlFNKF 2jBosZBU5eeHspaQWOmOElZsjICMQMC3aeHbGiShvZsx4wMYSjH8e7Vrhbu6irwCzVBApESjbUdp WWmEnhathWu1jo+siFUiRAAxm9qyJNg/wOZqqzL/dL/q8PkcRU5oUKEpUge71M3ej2/7CPqpdVwu MoTvoB+ZOT4YeGyxMvHmbrxlFzGOHOijtzN+u1TQNatX2XBuzZNQ1K+s2CXkPIZo7s6JgZyvaBev YtxPvYLw4z9mR7K2vaF18UYH9Z9GNUUeayffKC73PYc= ) ; keytag 38696 . 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 ( 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 RRSIG ( DNSKEY 8 0 172800 20260811000000 20260721000000 20326 . KRNkneCiUAW/3xsn8/6VDpfjYsXUrh19hqxVi2TRYnqbNa9N/fwN0Z/JgTGfigaY6KKSFgTZGZsi ilMiPVdHOirETIVs37XWU6L+dskCttC2rHUShOxnf0lLzy2rFJbolkd3aB5FpbprKmURCyeW/Na/ wtrSCo1kArBAIOGZLHNvDOVKL/MDIAkZJQ6EbfLxY8wkd4Rp93T5sAUyBaSlRpkqDyujUuz/0lCB eApRp0wMGQGC5+3//rdv16be3O5+oi124vJqlskvDw/jIsq3GY2jNjnWBwu7bFeOWHahBsZNROj0 fKTkCYgtWKZfwFp0bwc20chK6hHxPskKEB+AFw== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 3 DNSKEY records for .
	`. 172800 IN DNSKEY ( 257 3 8 AwEAAa96jeuknZlaeSrvyAJj6ZHv28hhOKkx3rLGXVaC6rXTsDc449/cidltpkyGwCJNnOAlFNKF 2jBosZBU5eeHspaQWOmOElZsjICMQMC3aeHbGiShvZsx4wMYSjH8e7Vrhbu6irwCzVBApESjbUdp WWmEnhathWu1jo+siFUiRAAxm9qyJNg/wOZqqzL/dL/q8PkcRU5oUKEpUge71M3ej2/7CPqpdVwu MoTvoB+ZOT4YeGyxMvHmbrxlFzGOHOijtzN+u1TQNatX2XBuzZNQ1K+s2CXkPIZo7s6JgZyvaBev YtxPvYLw4z9mR7K2vaF18UYH9Z9GNUUeayffKC73PYc= ) ; keytag 38696`
	`. 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 ( 256 3 8 AwEAAeCYD6Z7WWKVLeuWgowKP+3g+Gs1cnLKq7a3CaQxQpv8bfuFVI0WnG33qaSH/Mw9IBgifrdz f4XY/DQLnyBJ9MfaOyAWuEaEmYJ+GQPiwVVfstGwSA1McfFJUttTgq2Huu74KARhtA8wPo/N3Xcy YQtNhz+qCM5NBb3ecx/naw6sYab9LxS6f2cU0q03++BP5Ks0Uef8WJCa/1izCYE+vMkwoltV+tEN a3hpXiZ7jle/xdgaZrPi5ZGmyLVI34g1XVYrNlsCCTmNvFQIfzW5STFQFsQpizczyFn9r3LzSxxP CNwdlCG84bER0BmdwqbF6Tanv+FxMOavrahkj4wIy5k= ) ; keytag 57780`
	DNSKEY=38696/SEP is now in the chain-of-trust
	DS=38696/SHA-256 verifies DNSKEY=38696/SEP
	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 20260811000000 20260721000000 20326 . KRNkneCiUAW/3xsn8/6VDpfjYsXUrh19hqxVi2TRYnqbNa9N/fwN0Z/JgTGfigaY6KKSFgTZGZsi ilMiPVdHOirETIVs37XWU6L+dskCttC2rHUShOxnf0lLzy2rFJbolkd3aB5FpbprKmURCyeW/Na/ wtrSCo1kArBAIOGZLHNvDOVKL/MDIAkZJQ6EbfLxY8wkd4Rp93T5sAUyBaSlRpkqDyujUuz/0lCB eApRp0wMGQGC5+3//rdv16be3O5+oi124vJqlskvDw/jIsq3GY2jNjnWBwu7bFeOWHahBsZNROj0 fKTkCYgtWKZfwFp0bwc20chK6hHxPskKEB+AFw== )`
	RRSIG=20326 and DNSKEY=20326/SEP verifies the DNSKEY RRset
	DNSKEY=57780 is now in the chain-of-trust
	Query to m.root-servers.net for covid.gov/A
	Received 619 bytes from 202.12.27.33
	;; Response received from [202.12.27.33] 619 octets ;; HEADER SECTION ;; id = 18034 ;; 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) ;; covid.gov. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (6 records) gov. 172800 IN NS b.ns.gov. gov. 172800 IN NS c.ns.gov. gov. 172800 IN NS d.ns.gov. gov. 172800 IN NS a.ns.gov. gov. 86400 IN DS ( 2536 13 2 0baf26b7bbf313a859046fd3b1ee49ddfba33934cfb3e717c21e2a2935c2f259 ) gov. 86400 IN RRSIG ( DS 8 1 86400 20260803050000 20260721040000 57780 . 0/Yoz2I4hWtLLrICfXRMYiF0bbn4S+BknzBPpcsv+K8DGw63k2uIlNuajxzhnyJ2ToVVxGcw1wUf UiX6uqaUWE61gopvM62E3MZ6qtSx/upd6f3kaS668Bf75pmhL/0jSnIlc840ciZXdP6NBTU2LeKU vCIIT0LnDFn8NMsGfhY74x1ReFkfqoP9W7v5drDqS1Ky7leRUpqf/xK9BPMvH+PdGdy9AoXff8Dq n7R3n9k8s16b+YGJ/LZdtXoVr7oFc/hFPWU7sOt/yBqkqjZWa7zsbvc6GDpTuiRUqEEX9N2OvAlD n1P/4MrZ/iiu9QzJdhHZZ/LBh8GRnCvnhmShdQ== ) ;; ADDITIONAL SECTION (9 records) d.ns.gov. 172800 IN A 199.33.233.1 c.ns.gov. 172800 IN A 199.33.232.1 b.ns.gov. 172800 IN A 199.33.231.1 a.ns.gov. 172800 IN A 199.33.230.1 d.ns.gov. 172800 IN AAAA 2001:503:ff43::1 c.ns.gov. 172800 IN AAAA 2001:503:ff42::1 b.ns.gov. 172800 IN AAAA 2001:503:ff41::1 a.ns.gov. 172800 IN AAAA 2001:503:ff40::1 ;; { "EDNS-VERSION": 0 }
	Query to j.root-servers.net for gov/DNSKEY
	Received 610 bytes from 192.58.128.30
	;; Response received from [192.58.128.30] 610 octets ;; HEADER SECTION ;; id = 36698 ;; 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": 1472, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; gov. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (6 records) gov. 172800 IN NS a.ns.gov. gov. 172800 IN NS b.ns.gov. gov. 172800 IN NS c.ns.gov. gov. 172800 IN NS d.ns.gov. gov. 86400 IN DS ( 2536 13 2 0baf26b7bbf313a859046fd3b1ee49ddfba33934cfb3e717c21e2a2935c2f259 ) gov. 86400 IN RRSIG ( DS 8 1 86400 20260803050000 20260721040000 57780 . 0/Yoz2I4hWtLLrICfXRMYiF0bbn4S+BknzBPpcsv+K8DGw63k2uIlNuajxzhnyJ2ToVVxGcw1wUf UiX6uqaUWE61gopvM62E3MZ6qtSx/upd6f3kaS668Bf75pmhL/0jSnIlc840ciZXdP6NBTU2LeKU vCIIT0LnDFn8NMsGfhY74x1ReFkfqoP9W7v5drDqS1Ky7leRUpqf/xK9BPMvH+PdGdy9AoXff8Dq n7R3n9k8s16b+YGJ/LZdtXoVr7oFc/hFPWU7sOt/yBqkqjZWa7zsbvc6GDpTuiRUqEEX9N2OvAlD n1P/4MrZ/iiu9QzJdhHZZ/LBh8GRnCvnhmShdQ== ) ;; ADDITIONAL SECTION (9 records) a.ns.gov. 172800 IN A 199.33.230.1 a.ns.gov. 172800 IN AAAA 2001:503:ff40::1 b.ns.gov. 172800 IN A 199.33.231.1 b.ns.gov. 172800 IN AAAA 2001:503:ff41::1 c.ns.gov. 172800 IN A 199.33.232.1 c.ns.gov. 172800 IN AAAA 2001:503:ff42::1 d.ns.gov. 172800 IN A 199.33.233.1 d.ns.gov. 172800 IN AAAA 2001:503:ff43::1 ;; { "EDNS-VERSION": 0 }
	Found child zone gov

gov

	Checking DS between . and gov
	Query to g.root-servers.net for gov/DS
	Received 367 bytes from 192.112.36.4
	;; Response received from [192.112.36.4] 367 octets ;; HEADER SECTION ;; id = 9827 ;; 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) ;; gov. IN DS ;; ANSWER SECTION (2 records) gov. 86400 IN DS ( 2536 13 2 0baf26b7bbf313a859046fd3b1ee49ddfba33934cfb3e717c21e2a2935c2f259 ) gov. 86400 IN RRSIG ( DS 8 1 86400 20260803050000 20260721040000 57780 . 0/Yoz2I4hWtLLrICfXRMYiF0bbn4S+BknzBPpcsv+K8DGw63k2uIlNuajxzhnyJ2ToVVxGcw1wUf UiX6uqaUWE61gopvM62E3MZ6qtSx/upd6f3kaS668Bf75pmhL/0jSnIlc840ciZXdP6NBTU2LeKU vCIIT0LnDFn8NMsGfhY74x1ReFkfqoP9W7v5drDqS1Ky7leRUpqf/xK9BPMvH+PdGdy9AoXff8Dq n7R3n9k8s16b+YGJ/LZdtXoVr7oFc/hFPWU7sOt/yBqkqjZWa7zsbvc6GDpTuiRUqEEX9N2OvAlD n1P/4MrZ/iiu9QzJdhHZZ/LBh8GRnCvnhmShdQ== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 1 DS records for gov in the . zone
	DS=2536/SHA-256 has algorithm ECDSAP256SHA256
	Found 1 RRSIGs over DS RRset
	`gov. 86400 IN RRSIG ( DS 8 1 86400 20260803050000 20260721040000 57780 . 0/Yoz2I4hWtLLrICfXRMYiF0bbn4S+BknzBPpcsv+K8DGw63k2uIlNuajxzhnyJ2ToVVxGcw1wUf UiX6uqaUWE61gopvM62E3MZ6qtSx/upd6f3kaS668Bf75pmhL/0jSnIlc840ciZXdP6NBTU2LeKU vCIIT0LnDFn8NMsGfhY74x1ReFkfqoP9W7v5drDqS1Ky7leRUpqf/xK9BPMvH+PdGdy9AoXff8Dq n7R3n9k8s16b+YGJ/LZdtXoVr7oFc/hFPWU7sOt/yBqkqjZWa7zsbvc6GDpTuiRUqEEX9N2OvAlD n1P/4MrZ/iiu9QzJdhHZZ/LBh8GRnCvnhmShdQ== )`
	RRSIG=57780 and DNSKEY=57780 verifies the DS RRset
	DS=2536/SHA-256 is now in the chain-of-trust
	`gov. 86400 IN DS ( 2536 13 2 0baf26b7bbf313a859046fd3b1ee49ddfba33934cfb3e717c21e2a2935c2f259 )`
	Query to a.ns.gov for gov/DNSKEY
	Received 291 bytes from 199.33.230.1
	;; Response received from [199.33.230.1] 291 octets ;; HEADER SECTION ;; id = 33366 ;; 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) ;; gov. IN DNSKEY ;; ANSWER SECTION (3 records) gov. 3600 IN DNSKEY ( 257 3 13 D6ZhJTObQw3+kcewWf5iTHbzD3uTdbs5xf0kQfP/VXZcDovWJd0DUgHlp2VC002aLDCwhLoPPVN2 VfyoPnjCqg== ) ; keytag 2536 gov. 3600 IN DNSKEY ( 256 3 13 Of5kU9k4XfdcPwCK9k/zRJNu+Xspnw/BDd+1V6ZpDXRIpHe35BnHTZUBJN9gd6++HkiGXx2YnTji iO7/q+Yamg== ) ; keytag 35496 gov. 3600 IN RRSIG ( DNSKEY 13 1 3600 20260909110635 20260710110635 2536 gov. wYFSwn+2NOLXZN63JbOAM8z/JNiiXG9veODJ7ZwOQmWG0+905DP5pegiAGD8ZRmv/Tr3NngFLooA Tpx/d4OmbA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 2 DNSKEY records for gov
	`gov. 3600 IN DNSKEY ( 257 3 13 D6ZhJTObQw3+kcewWf5iTHbzD3uTdbs5xf0kQfP/VXZcDovWJd0DUgHlp2VC002aLDCwhLoPPVN2 VfyoPnjCqg== ) ; keytag 2536`
	`gov. 3600 IN DNSKEY ( 256 3 13 Of5kU9k4XfdcPwCK9k/zRJNu+Xspnw/BDd+1V6ZpDXRIpHe35BnHTZUBJN9gd6++HkiGXx2YnTji iO7/q+Yamg== ) ; keytag 35496`
	DNSKEY=2536/SEP is now in the chain-of-trust
	DS=2536/SHA-256 verifies DNSKEY=2536/SEP
	Found 1 RRSIGs over DNSKEY RRset
	`gov. 3600 IN RRSIG ( DNSKEY 13 1 3600 20260909110635 20260710110635 2536 gov. wYFSwn+2NOLXZN63JbOAM8z/JNiiXG9veODJ7ZwOQmWG0+905DP5pegiAGD8ZRmv/Tr3NngFLooA Tpx/d4OmbA== )`
	RRSIG=2536 and DNSKEY=2536/SEP verifies the DNSKEY RRset
	DNSKEY=35496 is now in the chain-of-trust
	Query to a.ns.gov for covid.gov/A
	Received 243 bytes from 199.33.230.1
	;; Response received from [199.33.230.1] 243 octets ;; HEADER SECTION ;; id = 15127 ;; 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 = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; covid.gov. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (4 records) covid.gov. 10800 IN NS ernest.ns.cloudflare.com. covid.gov. 10800 IN NS wally.ns.cloudflare.com. covid.gov. 3600 IN DS ( 2371 13 2 a131ec7df9856fe0968762504cc2891c65e093b3a40afea18165a18632ad3d0d ) covid.gov. 3600 IN RRSIG ( DS 13 2 3600 20260722144127 20260720124127 35496 gov. LtaXBMN0KjcQ5F3UmxL83lYpuJBYJD9pBL38zSfUjZIKu6C+dClCAyjIILKmqfkXOVbzp6SI2boP /QiC1bkg6A== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to a.ns.gov for covid.gov/DNSKEY
	Received 243 bytes from 199.33.230.1
	;; Response received from [199.33.230.1] 243 octets ;; HEADER SECTION ;; id = 59744 ;; 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 = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; covid.gov. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (4 records) covid.gov. 10800 IN NS ernest.ns.cloudflare.com. covid.gov. 10800 IN NS wally.ns.cloudflare.com. covid.gov. 3600 IN DS ( 2371 13 2 a131ec7df9856fe0968762504cc2891c65e093b3a40afea18165a18632ad3d0d ) covid.gov. 3600 IN RRSIG ( DS 13 2 3600 20260722144127 20260720124127 35496 gov. 7J5PZGNEi96DgavZ6BttdfIZDBHIsmiOCoKw9lW39OiRb6Q1jRbncKuuBWgnX8fh42PAVSXpcjWK SGBrHePLwA== ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found child zone covid.gov

covid.gov

	Checking DS between gov and covid.gov
	Query to d.ns.gov for covid.gov/DS
	Received 185 bytes from 199.33.233.1
	;; Response received from [199.33.233.1] 185 octets ;; HEADER SECTION ;; id = 29209 ;; 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) ;; covid.gov. IN DS ;; ANSWER SECTION (2 records) covid.gov. 3600 IN DS ( 2371 13 2 a131ec7df9856fe0968762504cc2891c65e093b3a40afea18165a18632ad3d0d ) covid.gov. 3600 IN RRSIG ( DS 13 2 3600 20260722144127 20260720124127 35496 gov. T15zzRj55IDb3BSact9e8UtEbojRYAEwmtd0eK/Dj+zEuckKmOJ2mt9hQ4Tr6xm7BPMdDGW9WLAt ir1XzXDBDA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 1 DS records for covid.gov in the gov zone
	DS=2371/SHA-256 has algorithm ECDSAP256SHA256
	Found 1 RRSIGs over DS RRset
	`covid.gov. 3600 IN RRSIG ( DS 13 2 3600 20260722144127 20260720124127 35496 gov. T15zzRj55IDb3BSact9e8UtEbojRYAEwmtd0eK/Dj+zEuckKmOJ2mt9hQ4Tr6xm7BPMdDGW9WLAt ir1XzXDBDA== )`
	RRSIG=35496 and DNSKEY=35496 verifies the DS RRset
	DS=2371/SHA-256 is now in the chain-of-trust
	`covid.gov. 3600 IN DS ( 2371 13 2 a131ec7df9856fe0968762504cc2891c65e093b3a40afea18165a18632ad3d0d )`
	Query to ernest.ns.cloudflare.com for covid.gov/DNSKEY
	Received 303 bytes from 173.245.59.164
	;; Response received from [173.245.59.164] 303 octets ;; HEADER SECTION ;; id = 63518 ;; 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) ;; covid.gov. IN DNSKEY ;; ANSWER SECTION (3 records) covid.gov. 3600 IN DNSKEY ( 257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+KkxLbxILfDLUT0rAK9iU zy1L53eKGQ== ) ; keytag 2371 covid.gov. 3600 IN DNSKEY ( 256 3 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8KqXXFJkqmVfRvMGPmM1x 8fGAa2XhSA== ) ; keytag 34505 covid.gov. 3600 IN RRSIG ( DNSKEY 13 2 3600 20260826145720 20260626145720 2371 covid.gov. 7f6Nv7jpqCPTRykkrUm9uqka6LJ5XiCu5x0pT1B0d19L8mQ8AXDtMGVpakgMNVxc27lgm1Hr5x3F 0WVM6hiHMw== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 2 DNSKEY records for covid.gov
	`covid.gov. 3600 IN DNSKEY ( 257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+KkxLbxILfDLUT0rAK9iU zy1L53eKGQ== ) ; keytag 2371`
	`covid.gov. 3600 IN DNSKEY ( 256 3 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8KqXXFJkqmVfRvMGPmM1x 8fGAa2XhSA== ) ; keytag 34505`
	DNSKEY=2371/SEP is now in the chain-of-trust
	DS=2371/SHA-256 verifies DNSKEY=2371/SEP
	Found 1 RRSIGs over DNSKEY RRset
	`covid.gov. 3600 IN RRSIG ( DNSKEY 13 2 3600 20260826145720 20260626145720 2371 covid.gov. 7f6Nv7jpqCPTRykkrUm9uqka6LJ5XiCu5x0pT1B0d19L8mQ8AXDtMGVpakgMNVxc27lgm1Hr5x3F 0WVM6hiHMw== )`
	RRSIG=2371 and DNSKEY=2371/SEP verifies the DNSKEY RRset
	DNSKEY=34505 is now in the chain-of-trust
	Query to ernest.ns.cloudflare.com for covid.gov/A
	Received 159 bytes from 173.245.59.164
	;; Response received from [173.245.59.164] 159 octets ;; HEADER SECTION ;; id = 52983 ;; 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) ;; covid.gov. IN A ;; ANSWER SECTION (2 records) covid.gov. 300 IN A 192.0.66.230 covid.gov. 300 IN RRSIG ( A 13 2 300 20260722144127 20260720124127 34505 covid.gov. jS/glocuTs6PzqB1u4JJc28pLySfQhAlqPDwZOfYrDrRLYn9Rr45BdIUlX3DtsJE3ditYiyWxNuY +3CAf89ytg== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	ernest.ns.cloudflare.com is authoritative for covid.gov
	Found RRSIG signed by covid.gov zone
	Query to wally.ns.cloudflare.com for covid.gov/SOA
	Received 207 bytes from 172.64.32.239
	;; Response received from [172.64.32.239] 207 octets ;; HEADER SECTION ;; id = 53106 ;; 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) ;; covid.gov. IN SOA ;; ANSWER SECTION (2 records) covid.gov. 1800 IN SOA ( ernest.ns.cloudflare.com. dns.cloudflare.com. 2409667809 ;serial 10000 ;refresh 2400 ;retry 604800 ;expire 1800 ;minimum ) covid.gov. 1800 IN RRSIG ( SOA 13 2 1800 20260722144127 20260720124127 34505 covid.gov. /43l0p3e1+PvY1msaMusTQimm8f+JC4NkTE9aTlqLoRFNmwEljsU49ObO3OmbHoX1IHON/hHHZ9F L2Qkzjo6Hg== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to ernest.ns.cloudflare.com for covid.gov/A
	covid.gov A RR has value 192.0.66.230
	Found 1 RRSIGs over A RRset
	`covid.gov. 300 IN RRSIG ( A 13 2 300 20260722144127 20260720124127 34505 covid.gov. jS/glocuTs6PzqB1u4JJc28pLySfQhAlqPDwZOfYrDrRLYn9Rr45BdIUlX3DtsJE3ditYiyWxNuY +3CAf89ytg== )`
	RRSIG=34505 and DNSKEY=34505 verifies the A RRset

covid.gov

	Query to wally.ns.cloudflare.com for covid.gov/A
	Received 159 bytes from 108.162.192.239
	;; Response received from [108.162.192.239] 159 octets ;; HEADER SECTION ;; id = 41101 ;; 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) ;; covid.gov. IN A ;; ANSWER SECTION (2 records) covid.gov. 300 IN A 192.0.66.230 covid.gov. 300 IN RRSIG ( A 13 2 300 20260722144127 20260720124127 34505 covid.gov. 9K7DUJteL+rF9qgBzBiyQahZ3PY8tsPsOpV8iwl7Bnkozl3yBt3Rk6zlTQfrOUY/D7TwwjiroBn9 /QhxybOjQQ== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	wally.ns.cloudflare.com is authoritative for covid.gov
	Found RRSIG signed by covid.gov zone
	Query to wally.ns.cloudflare.com for covid.gov/A
	covid.gov A RR has value 192.0.66.230
	Found 1 RRSIGs over A RRset
	`covid.gov. 300 IN RRSIG ( A 13 2 300 20260722144127 20260720124127 34505 covid.gov. 9K7DUJteL+rF9qgBzBiyQahZ3PY8tsPsOpV8iwl7Bnkozl3yBt3Rk6zlTQfrOUY/D7TwwjiroBn9 /QhxybOjQQ== )`
	RRSIG=34505 and DNSKEY=34505 verifies the A RRset

Move your mouse over any or symbols for remediation hints.

Want a second opinion? Test covid.gov at dnsviz.net.

DNSSEC Debugger

↓ Advanced options ↑ Advanced options

Trust Anchor:
Name Servers: