DNSSEC Debugger

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Time: 2026-09-22 02:14:59 UTC

Analyzing DNSSEC problems for nih.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 b.root-servers.net for ./DNSKEY
	Received 1414 bytes from 170.247.170.2
	;; Response received from [170.247.170.2] 1414 octets ;; HEADER SECTION ;; id = 6091 ;; 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": 1232, ;; "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 20261010000000 20260919000000 20326 . SeT2U+BKi7S4R7OPnQ0EBjS6DtsNPasISEAE3iOUQWl552IWiqHLBYkZOa5au73wjV5oH9vQleMB gtIQleByqX74kORDKMmx+EIhhDmiNOf9w33OqM4+s0Etem28QjqQ9e4QgsKI6N39HDMedL31iybJ n6ghPcDT73IyzgTs6mtyV+Lpu1ZqH1yXNNB34YsEzgquGDKU7QkAlQMupqKlZOhJC2pj4724Fzjr MXq68MYAitHMmfnrm2/iqP8i0jIrIQgIl4mVOO4VxMZEsQa+ESJWEBQJ3Fu3jLRII/xIEq1qXb8F 87yhBvKhzuyLfQGaKttdkN9oudecqKuNezNp0g== ) ;; 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 20261010000000 20260919000000 20326 . SeT2U+BKi7S4R7OPnQ0EBjS6DtsNPasISEAE3iOUQWl552IWiqHLBYkZOa5au73wjV5oH9vQleMB gtIQleByqX74kORDKMmx+EIhhDmiNOf9w33OqM4+s0Etem28QjqQ9e4QgsKI6N39HDMedL31iybJ n6ghPcDT73IyzgTs6mtyV+Lpu1ZqH1yXNNB34YsEzgquGDKU7QkAlQMupqKlZOhJC2pj4724Fzjr MXq68MYAitHMmfnrm2/iqP8i0jIrIQgIl4mVOO4VxMZEsQa+ESJWEBQJ3Fu3jLRII/xIEq1qXb8F 87yhBvKhzuyLfQGaKttdkN9oudecqKuNezNp0g== )`
	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 i.root-servers.net for nih.gov/A
	Received 614 bytes from 192.36.148.17
	;; Response received from [192.36.148.17] 614 octets ;; HEADER SECTION ;; id = 37354 ;; 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) ;; nih.gov. IN A ;; 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 20261004170000 20260921160000 57780 . O3HwI4nTqaO31oC7XT/sOflzTnysR7PhfFsfEbyHpz9qzpq7vzgpWDeo5KX0JQlMLPxk0yiBeuA4 vIzvF2DstftuaeUHArdYl+8xMwqcjmMkoRxGDq8RzPskq1ljiLoxfgCfHttYApPgc5fvktTnTXV5 PvfdFwNOI2os/3lxQKTp9+Y16mKTo79GMu9Wtq/11JV8Ha6n5GtZsVWQMLuxC1zJ6LetZSne8orh /JRIAm9KMFJOrkYIFLeiUDkVMxjOlHFW03/0pHTVUSh/QZNIDGKVc9iAGA5fZWiUGXnlG8Ag2lYc uNvVEVVL3R/Rvqc7jvJnD92gg70w3lsir1GAdA== ) ;; ADDITIONAL SECTION (9 records) a.ns.gov. 172800 IN A 199.33.230.1 b.ns.gov. 172800 IN A 199.33.231.1 c.ns.gov. 172800 IN A 199.33.232.1 d.ns.gov. 172800 IN A 199.33.233.1 a.ns.gov. 172800 IN AAAA 2001:503:ff40::1 b.ns.gov. 172800 IN AAAA 2001:503:ff41::1 c.ns.gov. 172800 IN AAAA 2001:503:ff42::1 d.ns.gov. 172800 IN AAAA 2001:503:ff43::1 ;; { "EDNS-VERSION": 0 }
	Query to l.root-servers.net for gov/DNSKEY
	Received 610 bytes from 199.7.83.42
	;; Response received from [199.7.83.42] 610 octets ;; HEADER SECTION ;; id = 2138 ;; 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) ;; 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 20261004170000 20260921160000 57780 . O3HwI4nTqaO31oC7XT/sOflzTnysR7PhfFsfEbyHpz9qzpq7vzgpWDeo5KX0JQlMLPxk0yiBeuA4 vIzvF2DstftuaeUHArdYl+8xMwqcjmMkoRxGDq8RzPskq1ljiLoxfgCfHttYApPgc5fvktTnTXV5 PvfdFwNOI2os/3lxQKTp9+Y16mKTo79GMu9Wtq/11JV8Ha6n5GtZsVWQMLuxC1zJ6LetZSne8orh /JRIAm9KMFJOrkYIFLeiUDkVMxjOlHFW03/0pHTVUSh/QZNIDGKVc9iAGA5fZWiUGXnlG8Ag2lYc uNvVEVVL3R/Rvqc7jvJnD92gg70w3lsir1GAdA== ) ;; 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 m.root-servers.net for gov/DS
	Received 367 bytes from 202.12.27.33
	;; Response received from [202.12.27.33] 367 octets ;; HEADER SECTION ;; id = 54163 ;; 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 20261004170000 20260921160000 57780 . O3HwI4nTqaO31oC7XT/sOflzTnysR7PhfFsfEbyHpz9qzpq7vzgpWDeo5KX0JQlMLPxk0yiBeuA4 vIzvF2DstftuaeUHArdYl+8xMwqcjmMkoRxGDq8RzPskq1ljiLoxfgCfHttYApPgc5fvktTnTXV5 PvfdFwNOI2os/3lxQKTp9+Y16mKTo79GMu9Wtq/11JV8Ha6n5GtZsVWQMLuxC1zJ6LetZSne8orh /JRIAm9KMFJOrkYIFLeiUDkVMxjOlHFW03/0pHTVUSh/QZNIDGKVc9iAGA5fZWiUGXnlG8Ag2lYc uNvVEVVL3R/Rvqc7jvJnD92gg70w3lsir1GAdA== ) ;; 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 20261004170000 20260921160000 57780 . O3HwI4nTqaO31oC7XT/sOflzTnysR7PhfFsfEbyHpz9qzpq7vzgpWDeo5KX0JQlMLPxk0yiBeuA4 vIzvF2DstftuaeUHArdYl+8xMwqcjmMkoRxGDq8RzPskq1ljiLoxfgCfHttYApPgc5fvktTnTXV5 PvfdFwNOI2os/3lxQKTp9+Y16mKTo79GMu9Wtq/11JV8Ha6n5GtZsVWQMLuxC1zJ6LetZSne8orh /JRIAm9KMFJOrkYIFLeiUDkVMxjOlHFW03/0pHTVUSh/QZNIDGKVc9iAGA5fZWiUGXnlG8Ag2lYc uNvVEVVL3R/Rvqc7jvJnD92gg70w3lsir1GAdA== )`
	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 d.ns.gov for gov/DNSKEY
	Received 291 bytes from 199.33.233.1
	;; Response received from [199.33.233.1] 291 octets ;; HEADER SECTION ;; id = 2969 ;; 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 20261120110642 20260920110642 2536 gov. cfy+HEpjo649lgn0nmaZm2dw0PRBEIyKW7LtCSFSDTfc5dt/MTrQAxq5b6QAG5LqJnvI9gWiBeUg ios+M1nt8g== ) ;; 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 20261120110642 20260920110642 2536 gov. cfy+HEpjo649lgn0nmaZm2dw0PRBEIyKW7LtCSFSDTfc5dt/MTrQAxq5b6QAG5LqJnvI9gWiBeUg ios+M1nt8g== )`
	RRSIG=2536 and DNSKEY=2536/SEP verifies the DNSKEY RRset
	DNSKEY=35496 is now in the chain-of-trust
	Query to b.ns.gov for nih.gov/A
	Received 416 bytes from 199.33.231.1
	;; Response received from [199.33.231.1] 416 octets ;; HEADER SECTION ;; id = 37726 ;; 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 = 7 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; nih.gov. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (6 records) nih.gov. 10800 IN NS ns.nih.gov. nih.gov. 10800 IN NS ns2.nih.gov. nih.gov. 10800 IN NS ns3.nih.gov. nih.gov. 3600 IN DS ( 36469 8 2 4dd8f9c4c445b7588d2b8fd48af7a754777ace002521c05c1992db1cf2f09eed ) nih.gov. 3600 IN DS ( 51547 8 2 b18e5d91bb477a4040d5cbfa22de598224340d0168856aefaeeedadd192bdcf5 ) nih.gov. 3600 IN RRSIG ( DS 13 2 3600 20260923031459 20260921011459 35496 gov. 8bip4a7n1jj7pMKBjAKls+2W6xviPdrQP5Efnkr55WjxZIhuqWqtqG7DzAZ+WqKRtAfyXc3evksK tVLObslEpA== ) ;; ADDITIONAL SECTION (7 records) ns.nih.gov. 3600 IN A 128.231.128.251 ns.nih.gov. 3600 IN AAAA 2607:f220:404:101::80e7:80fb ns2.nih.gov. 3600 IN A 128.231.64.1 ns2.nih.gov. 3600 IN AAAA 2607:f220:418:4101::80e7:401 ns3.nih.gov. 3600 IN A 165.112.4.230 ns3.nih.gov. 3600 IN AAAA 2607:f220:402:1801::a570:4e6 ;; { "EDNS-VERSION": 0 }
	Query to a.ns.gov for nih.gov/DNSKEY
	Received 416 bytes from 199.33.230.1
	;; Response received from [199.33.230.1] 416 octets ;; HEADER SECTION ;; id = 8918 ;; 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 = 7 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; nih.gov. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (6 records) nih.gov. 10800 IN NS ns.nih.gov. nih.gov. 10800 IN NS ns2.nih.gov. nih.gov. 10800 IN NS ns3.nih.gov. nih.gov. 3600 IN DS ( 36469 8 2 4dd8f9c4c445b7588d2b8fd48af7a754777ace002521c05c1992db1cf2f09eed ) nih.gov. 3600 IN DS ( 51547 8 2 b18e5d91bb477a4040d5cbfa22de598224340d0168856aefaeeedadd192bdcf5 ) nih.gov. 3600 IN RRSIG ( DS 13 2 3600 20260923031459 20260921011459 35496 gov. FJMQMJugi6rJQxUGtxU0WaELAG3gxtJPqud1dQuamRiEWRa5F/07Qme99BVczL3f6RLEFjKDVsZx /Oqfn08qTg== ) ;; ADDITIONAL SECTION (7 records) ns.nih.gov. 3600 IN A 128.231.128.251 ns.nih.gov. 3600 IN AAAA 2607:f220:404:101::80e7:80fb ns2.nih.gov. 3600 IN A 128.231.64.1 ns2.nih.gov. 3600 IN AAAA 2607:f220:418:4101::80e7:401 ns3.nih.gov. 3600 IN A 165.112.4.230 ns3.nih.gov. 3600 IN AAAA 2607:f220:402:1801::a570:4e6 ;; { "EDNS-VERSION": 0 }
	Found child zone nih.gov

nih.gov

	Checking DS between gov and nih.gov
	Query to b.ns.gov for nih.gov/DS
	Received 231 bytes from 199.33.231.1
	;; Response received from [199.33.231.1] 231 octets ;; HEADER SECTION ;; id = 61763 ;; 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) ;; nih.gov. IN DS ;; ANSWER SECTION (3 records) nih.gov. 3600 IN DS ( 36469 8 2 4dd8f9c4c445b7588d2b8fd48af7a754777ace002521c05c1992db1cf2f09eed ) nih.gov. 3600 IN DS ( 51547 8 2 b18e5d91bb477a4040d5cbfa22de598224340d0168856aefaeeedadd192bdcf5 ) nih.gov. 3600 IN RRSIG ( DS 13 2 3600 20260923031459 20260921011459 35496 gov. leR/Nj3JcEjDIX9m80pukI0y+oAL/RM0PfkCfg/jTkNEKidGLKhaX4yPt1+sFjFJX32pYq6zlGsN 3cGr9ATITQ== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 2 DS records for nih.gov in the gov zone
	DS=36469/SHA-256 has algorithm RSASHA256
	DS=51547/SHA-256 has algorithm RSASHA256
	Found 1 RRSIGs over DS RRset
	`nih.gov. 3600 IN RRSIG ( DS 13 2 3600 20260923031459 20260921011459 35496 gov. leR/Nj3JcEjDIX9m80pukI0y+oAL/RM0PfkCfg/jTkNEKidGLKhaX4yPt1+sFjFJX32pYq6zlGsN 3cGr9ATITQ== )`
	RRSIG=35496 and DNSKEY=35496 verifies the DS RRset
	DS=36469/SHA-256 is now in the chain-of-trust
	DS=51547/SHA-256 is now in the chain-of-trust
	`nih.gov. 3600 IN DS ( 36469 8 2 4dd8f9c4c445b7588d2b8fd48af7a754777ace002521c05c1992db1cf2f09eed )`
	`nih.gov. 3600 IN DS ( 51547 8 2 b18e5d91bb477a4040d5cbfa22de598224340d0168856aefaeeedadd192bdcf5 )`
	Query to ns.nih.gov for nih.gov/DNSKEY
	Received 1070 bytes from 128.231.128.251
	;; Response received from [128.231.128.251] 1070 octets ;; HEADER SECTION ;; id = 28236 ;; 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": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; nih.gov. IN DNSKEY ;; ANSWER SECTION (5 records) nih.gov. 172800 IN DNSKEY ( 257 3 8 AwEAAa++YcItdlslCVNF3kTc2GSInUb7hqV0/XsQvE8tTd57LpjizdwFScEVuPc+c96vciAbVIHc tomn2+qWUX/xtHo6X4cDCfKrtl625iimZmxDFEMI+X3pSWlOwqzK/enlQ+HZSYDHL+8ci1LtD3Kc xExJo1REC8mjh2IS5ycuQ0TM2uU8ue66KXQGp/jhMFk37xsaH61BDU6ZZFZmPQizkl76adlj+bbq Z9i1jybnYrP6VFv1OUTyZZ0QEym8WkH8Coi1Fxepk8gb1/SCKDJvZKizoKsVyyWM4m5kOQOBNcMK HuL2815uko1hE+8BewpW6KEYkH3kTZXBpw0gTeFubnU= ) ; keytag 51547 nih.gov. 172800 IN DNSKEY ( 256 3 8 AwEAAeGR47q+IMK7ZVlV7VD4zGauxb2rDNlFcZQyixeSigXBAy4QfjMRzpIiSqInugz0pZ9Vm73K WLzLX4hY5FeOMRwZh/+6Wc7HMEZzlTLL6a6Fs4bIke3HUdzTnFJdgCtEn7NkJTN01X8228XA0Dti GGkve6AGoNL+IeHCvk4EaIW3 ) ; keytag 46195 nih.gov. 172800 IN DNSKEY ( 256 3 8 AwEAAbvtkTfmRJHrk4ADITMzkY0LvXviazwWzRzmG7gHDn5ircmlP6Rvo3WetpBi4bKy4T8ahk3Q +IhanmDXVLkrrRyR9HJ+7cxTJA/dk8PC09F7i+xKyRGhFxLvxCFo0qBxckGYC/UhTjXyCk5tdIAG lVPQSDBA0TjqjNz0RGP9xgEt ) ; keytag 10578 nih.gov. 172800 IN RRSIG ( DNSKEY 8 2 172800 20260925184837 20260921181921 10578 nih.gov. uqQlKU4MNYD99g75WyUyf3enk9/37XODDIi7nmR6mrYqJFiWexHxEup46UVcB73vz12QAgOMT3Bh 2CyCKWUrv8uV27+sHy1uLe1UuwOarCH/bzyuX074n/bNuE05z/JI3dNtjhyiOTzL324seXdTLiti nTN0SL5I5OR18TXs1cQ= ) nih.gov. 172800 IN RRSIG ( DNSKEY 8 2 172800 20260925184837 20260921181921 51547 nih.gov. ZHD7vwSN+nZkiFcd3vSMdatD0pk6PDw5Jq6YXEBonwAopO7pgre8APhZaIvroPxKKke1qfdOasKN cy+b5i/bAytGZZiZ1dH4BUjQJdIOpBXh0eo/RKLrr8kQYD73plUASe/j0tnsA3VHp3Oh/IcJRZYv zC4d3ezfKv94SlzcQibk+U2mcY1b08S3aF0zDRlUScHwc3Q39jTQ6nLOSHOtV8OhBnua/hJtDVFH W7BKliNHYFl4tjD5Qa3IO2ZhpE8Ri1sut6VaQoM3cJMVBe3T8tFH5pYLWJgyc0SvwCpnMcWauKNV 8oYj9MdXktA1vZ8MnBiKXQlWvuit/ZueJMU8Fw== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 3 DNSKEY records for nih.gov
	`nih.gov. 172800 IN DNSKEY ( 257 3 8 AwEAAa++YcItdlslCVNF3kTc2GSInUb7hqV0/XsQvE8tTd57LpjizdwFScEVuPc+c96vciAbVIHc tomn2+qWUX/xtHo6X4cDCfKrtl625iimZmxDFEMI+X3pSWlOwqzK/enlQ+HZSYDHL+8ci1LtD3Kc xExJo1REC8mjh2IS5ycuQ0TM2uU8ue66KXQGp/jhMFk37xsaH61BDU6ZZFZmPQizkl76adlj+bbq Z9i1jybnYrP6VFv1OUTyZZ0QEym8WkH8Coi1Fxepk8gb1/SCKDJvZKizoKsVyyWM4m5kOQOBNcMK HuL2815uko1hE+8BewpW6KEYkH3kTZXBpw0gTeFubnU= ) ; keytag 51547`
	`nih.gov. 172800 IN DNSKEY ( 256 3 8 AwEAAeGR47q+IMK7ZVlV7VD4zGauxb2rDNlFcZQyixeSigXBAy4QfjMRzpIiSqInugz0pZ9Vm73K WLzLX4hY5FeOMRwZh/+6Wc7HMEZzlTLL6a6Fs4bIke3HUdzTnFJdgCtEn7NkJTN01X8228XA0Dti GGkve6AGoNL+IeHCvk4EaIW3 ) ; keytag 46195`
	`nih.gov. 172800 IN DNSKEY ( 256 3 8 AwEAAbvtkTfmRJHrk4ADITMzkY0LvXviazwWzRzmG7gHDn5ircmlP6Rvo3WetpBi4bKy4T8ahk3Q +IhanmDXVLkrrRyR9HJ+7cxTJA/dk8PC09F7i+xKyRGhFxLvxCFo0qBxckGYC/UhTjXyCk5tdIAG lVPQSDBA0TjqjNz0RGP9xgEt ) ; keytag 10578`
	DNSKEY=51547/SEP is now in the chain-of-trust
	DS=51547/SHA-256 verifies DNSKEY=51547/SEP
	DS=36469/SHA-256 is published, but a corresponding DNSKEY is not
	Found 2 RRSIGs over DNSKEY RRset
	`nih.gov. 172800 IN RRSIG ( DNSKEY 8 2 172800 20260925184837 20260921181921 10578 nih.gov. uqQlKU4MNYD99g75WyUyf3enk9/37XODDIi7nmR6mrYqJFiWexHxEup46UVcB73vz12QAgOMT3Bh 2CyCKWUrv8uV27+sHy1uLe1UuwOarCH/bzyuX074n/bNuE05z/JI3dNtjhyiOTzL324seXdTLiti nTN0SL5I5OR18TXs1cQ= )`
	`nih.gov. 172800 IN RRSIG ( DNSKEY 8 2 172800 20260925184837 20260921181921 51547 nih.gov. ZHD7vwSN+nZkiFcd3vSMdatD0pk6PDw5Jq6YXEBonwAopO7pgre8APhZaIvroPxKKke1qfdOasKN cy+b5i/bAytGZZiZ1dH4BUjQJdIOpBXh0eo/RKLrr8kQYD73plUASe/j0tnsA3VHp3Oh/IcJRZYv zC4d3ezfKv94SlzcQibk+U2mcY1b08S3aF0zDRlUScHwc3Q39jTQ6nLOSHOtV8OhBnua/hJtDVFH W7BKliNHYFl4tjD5Qa3IO2ZhpE8Ri1sut6VaQoM3cJMVBe3T8tFH5pYLWJgyc0SvwCpnMcWauKNV 8oYj9MdXktA1vZ8MnBiKXQlWvuit/ZueJMU8Fw== )`
	RRSIG=10578 and DNSKEY=10578 verifies the DNSKEY RRset
	RRSIG=51547 and DNSKEY=51547/SEP verifies the DNSKEY RRset
	DNSKEY=46195 is now in the chain-of-trust
	DNSKEY=10578 is now in the chain-of-trust
	Query to ns.nih.gov for nih.gov/A
	Received 219 bytes from 128.231.128.251
	;; Response received from [128.231.128.251] 219 octets ;; HEADER SECTION ;; id = 40235 ;; 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": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; nih.gov. IN A ;; ANSWER SECTION (2 records) nih.gov. 7200 IN A 156.40.212.210 nih.gov. 7200 IN RRSIG ( A 8 2 7200 20260925130013 20260921125307 10578 nih.gov. tEAAtKzJv1ntczTxK7sRNL/SOjh4Qq/A48Bv1wM8DgRD6rpQXnRPdo1+yti15+S110cCUza1eeGv g4kgMMX4M9ONkQkoxWgblbot78uwDZlF0Ph4CFLOCcDTI6rwAeEIA+l1dQzk8ioxBTniNmkqU0oQ 2BN/CRAixgZaC/ofZfs= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	ns.nih.gov is authoritative for nih.gov
	Found RRSIG signed by nih.gov zone
	Query to ns3.nih.gov for nih.gov/SOA
	Received 259 bytes from 165.112.4.230
	;; Response received from [165.112.4.230] 259 octets ;; HEADER SECTION ;; id = 3496 ;; 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": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; nih.gov. IN SOA ;; ANSWER SECTION (2 records) nih.gov. 7200 IN SOA ( nihblox6.nih.gov. hostmaster.nih.gov. 984241 ;serial 10800 ;refresh 1080 ;retry 2592000 ;expire 900 ;minimum ) nih.gov. 7200 IN RRSIG ( SOA 8 2 7200 20260926010407 20260922000407 10578 nih.gov. EBAc679W2phScshOjYMcfYe3K82O8WZ5ogPThkP/J3s0y9WdLQEJRohoG4zQKaxXVk47CqDX7AMN KFVK4H+gVxltpVpSFUDyfTwxTQjG4TWwcmXK8QxZRLmjf6XTCH/b1rgzZjgYcGEJdcvsk6URR5Xm W62yq51uMSZWOiT6GWc= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to ns2.nih.gov for nih.gov/SOA
	Received 259 bytes from 128.231.64.1
	;; Response received from [128.231.64.1] 259 octets ;; HEADER SECTION ;; id = 11332 ;; 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": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; nih.gov. IN SOA ;; ANSWER SECTION (2 records) nih.gov. 7200 IN SOA ( nihblox6.nih.gov. hostmaster.nih.gov. 984241 ;serial 10800 ;refresh 1080 ;retry 2592000 ;expire 900 ;minimum ) nih.gov. 7200 IN RRSIG ( SOA 8 2 7200 20260926010407 20260922000407 10578 nih.gov. EBAc679W2phScshOjYMcfYe3K82O8WZ5ogPThkP/J3s0y9WdLQEJRohoG4zQKaxXVk47CqDX7AMN KFVK4H+gVxltpVpSFUDyfTwxTQjG4TWwcmXK8QxZRLmjf6XTCH/b1rgzZjgYcGEJdcvsk6URR5Xm W62yq51uMSZWOiT6GWc= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to ns.nih.gov for nih.gov/A
	nih.gov A RR has value 156.40.212.210
	Found 1 RRSIGs over A RRset
	`nih.gov. 7200 IN RRSIG ( A 8 2 7200 20260925130013 20260921125307 10578 nih.gov. tEAAtKzJv1ntczTxK7sRNL/SOjh4Qq/A48Bv1wM8DgRD6rpQXnRPdo1+yti15+S110cCUza1eeGv g4kgMMX4M9ONkQkoxWgblbot78uwDZlF0Ph4CFLOCcDTI6rwAeEIA+l1dQzk8ioxBTniNmkqU0oQ 2BN/CRAixgZaC/ofZfs= )`
	RRSIG=10578 and DNSKEY=10578 verifies the A RRset

nih.gov

	Query to ns2.nih.gov for nih.gov/A
	Received 219 bytes from 128.231.64.1
	;; Response received from [128.231.64.1] 219 octets ;; HEADER SECTION ;; id = 63561 ;; 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": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; nih.gov. IN A ;; ANSWER SECTION (2 records) nih.gov. 7200 IN A 156.40.212.210 nih.gov. 7200 IN RRSIG ( A 8 2 7200 20260925130013 20260921125307 10578 nih.gov. tEAAtKzJv1ntczTxK7sRNL/SOjh4Qq/A48Bv1wM8DgRD6rpQXnRPdo1+yti15+S110cCUza1eeGv g4kgMMX4M9ONkQkoxWgblbot78uwDZlF0Ph4CFLOCcDTI6rwAeEIA+l1dQzk8ioxBTniNmkqU0oQ 2BN/CRAixgZaC/ofZfs= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	ns2.nih.gov is authoritative for nih.gov
	Found RRSIG signed by nih.gov zone
	Query to ns2.nih.gov for nih.gov/A
	nih.gov A RR has value 156.40.212.210
	Found 1 RRSIGs over A RRset
	`nih.gov. 7200 IN RRSIG ( A 8 2 7200 20260925130013 20260921125307 10578 nih.gov. tEAAtKzJv1ntczTxK7sRNL/SOjh4Qq/A48Bv1wM8DgRD6rpQXnRPdo1+yti15+S110cCUza1eeGv g4kgMMX4M9ONkQkoxWgblbot78uwDZlF0Ph4CFLOCcDTI6rwAeEIA+l1dQzk8ioxBTniNmkqU0oQ 2BN/CRAixgZaC/ofZfs= )`
	RRSIG=10578 and DNSKEY=10578 verifies the A RRset

nih.gov

	Query to ns3.nih.gov for nih.gov/A
	Received 219 bytes from 165.112.4.230
	;; Response received from [165.112.4.230] 219 octets ;; HEADER SECTION ;; id = 28736 ;; 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": 1220, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; nih.gov. IN A ;; ANSWER SECTION (2 records) nih.gov. 7200 IN A 156.40.212.210 nih.gov. 7200 IN RRSIG ( A 8 2 7200 20260925130013 20260921125307 10578 nih.gov. tEAAtKzJv1ntczTxK7sRNL/SOjh4Qq/A48Bv1wM8DgRD6rpQXnRPdo1+yti15+S110cCUza1eeGv g4kgMMX4M9ONkQkoxWgblbot78uwDZlF0Ph4CFLOCcDTI6rwAeEIA+l1dQzk8ioxBTniNmkqU0oQ 2BN/CRAixgZaC/ofZfs= ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	ns3.nih.gov is authoritative for nih.gov
	Found RRSIG signed by nih.gov zone
	Query to ns3.nih.gov for nih.gov/A
	nih.gov A RR has value 156.40.212.210
	Found 1 RRSIGs over A RRset
	`nih.gov. 7200 IN RRSIG ( A 8 2 7200 20260925130013 20260921125307 10578 nih.gov. tEAAtKzJv1ntczTxK7sRNL/SOjh4Qq/A48Bv1wM8DgRD6rpQXnRPdo1+yti15+S110cCUza1eeGv g4kgMMX4M9ONkQkoxWgblbot78uwDZlF0Ph4CFLOCcDTI6rwAeEIA+l1dQzk8ioxBTniNmkqU0oQ 2BN/CRAixgZaC/ofZfs= )`
	RRSIG=10578 and DNSKEY=10578 verifies the A RRset

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