DNSSEC Debugger - leetcode.com

Domain Name:

Time: 2026-03-22 09:48:02 UTC

Analyzing DNSSEC problems for leetcode.com

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 e.root-servers.net for ./DNSKEY
	Received 1139 bytes from 192.203.230.10
	;; Response received from [192.203.230.10] 1139 octets ;; HEADER SECTION ;; id = 64240 ;; 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": 1472, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; . IN DNSKEY ;; ANSWER SECTION (4 records) . 172800 IN DNSKEY ( 256 3 8 AwEAAbNTVC2+pry4pc37pZI9Oj6b8FHxT3VGrvSPKLE1Tjyfe2kUZUtVX5xrv6AV4BVO+ygrYjGZ MNgEnbLU4zknnlnhI2e0g6iTza1aZh0dRZXGH16C1NUNq1CxBkUhIYQhQDeIOtLacx+RmFTc+hSH JJ2MJ79IS00kA7eKi6mofQ7SPJmdJVjI+JAx791y0f5QaB+iHGANU53FwiYXNUQjfAzCrtOaSevG sx8SO8BTaXLAjFq5eewOtwScVwfVDhEXlvpE6e+mIncwhNKaMRD9IPuHENqCNPI5MjxfAMVS6cEY 8eEozIkv/vHc+0Auu3n+Fcx6F2Js4KPXaHEShAXugfU= ) ; keytag 21831 . 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 20260402000000 20260312000000 20326 . hcmCK2q88XH00Hynv8IgIMVTKrwyb8Lh/uvRpqBPMALNQunyrS+VKrlKb6rBQTFnGHeVR/jj3Eay Uuxv4fy2evliMYKLrfTHtdqD3oUvJMnwmxEMmhS84Ttw+bbTcHeYxb52NFiYVHKb37Y0OWN4lr0p V+3fwFtWumb1NlWZDMNsaHFv6UIdxgUGNBVEyUaTAK6E2jseQcoqv6A0rNxCG+xtz2zSpRV2JM1g dC8zVAcc068OamqrwZlzKqsqAgXP78NOERrFkzffoRaSEmOORcAQpUdCK265DL1Y7Xeq0QaNEKd2 fXglm/IxS+4sMPT+83Q/XasxUu5C3d0qEz76fw== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 3 DNSKEY records for .
	`. 172800 IN DNSKEY ( 256 3 8 AwEAAbNTVC2+pry4pc37pZI9Oj6b8FHxT3VGrvSPKLE1Tjyfe2kUZUtVX5xrv6AV4BVO+ygrYjGZ MNgEnbLU4zknnlnhI2e0g6iTza1aZh0dRZXGH16C1NUNq1CxBkUhIYQhQDeIOtLacx+RmFTc+hSH JJ2MJ79IS00kA7eKi6mofQ7SPJmdJVjI+JAx791y0f5QaB+iHGANU53FwiYXNUQjfAzCrtOaSevG sx8SO8BTaXLAjFq5eewOtwScVwfVDhEXlvpE6e+mIncwhNKaMRD9IPuHENqCNPI5MjxfAMVS6cEY 8eEozIkv/vHc+0Auu3n+Fcx6F2Js4KPXaHEShAXugfU= ) ; keytag 21831`
	`. 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
	Found 1 RRSIGs over DNSKEY RRset
	`. 172800 IN RRSIG ( DNSKEY 8 0 172800 20260402000000 20260312000000 20326 . hcmCK2q88XH00Hynv8IgIMVTKrwyb8Lh/uvRpqBPMALNQunyrS+VKrlKb6rBQTFnGHeVR/jj3Eay Uuxv4fy2evliMYKLrfTHtdqD3oUvJMnwmxEMmhS84Ttw+bbTcHeYxb52NFiYVHKb37Y0OWN4lr0p V+3fwFtWumb1NlWZDMNsaHFv6UIdxgUGNBVEyUaTAK6E2jseQcoqv6A0rNxCG+xtz2zSpRV2JM1g dC8zVAcc068OamqrwZlzKqsqAgXP78NOERrFkzffoRaSEmOORcAQpUdCK265DL1Y7Xeq0QaNEKd2 fXglm/IxS+4sMPT+83Q/XasxUu5C3d0qEz76fw== )`
	RRSIG=20326 and DNSKEY=20326/SEP verifies the DNSKEY RRset
	DNSKEY=21831 is now in the chain-of-trust
	DNSKEY=38696/SEP is now in the chain-of-trust
	Query to g.root-servers.net for leetcode.com/A
	Received 1172 bytes from 192.112.36.4
	;; Response received from [192.112.36.4] 1172 octets ;; HEADER SECTION ;; id = 45848 ;; 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 = 15 arcount = 27 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; leetcode.com. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (15 records) com. 172800 IN NS i.gtld-servers.net. com. 172800 IN NS b.gtld-servers.net. com. 172800 IN NS j.gtld-servers.net. com. 172800 IN NS d.gtld-servers.net. com. 172800 IN NS e.gtld-servers.net. com. 172800 IN NS f.gtld-servers.net. com. 172800 IN NS m.gtld-servers.net. com. 172800 IN NS h.gtld-servers.net. com. 172800 IN NS a.gtld-servers.net. com. 172800 IN NS c.gtld-servers.net. com. 172800 IN NS k.gtld-servers.net. com. 172800 IN NS l.gtld-servers.net. com. 172800 IN NS g.gtld-servers.net. com. 86400 IN DS ( 19718 13 2 8acbb0cd28f41250a80a491389424d341522d946b0da0c0291f2d3d771d7805a ) com. 86400 IN RRSIG ( DS 8 1 86400 20260403170000 20260321160000 21831 . IJS/dqwlrd7s81Hyyh5qB64NS/sKpoV+kgsUbfO5PIQZrA0YPRc0cAMT2jX8llYqXE82hJYN8SCh DwBjJSJOBXQ3KeD1N/iM3sDaxepXBjf0bT7iueZKDQja3vxYIaN0se+sk8Ddt1WzwfZrcQZiOOD9 hi49PRpegQ02yyHnaGibopPAfII+HrMinIZnH7qf7aEFbZe2tpiZJMsZd7uEQR3Mr72HQeA8lEsO gZMTu9GKwrm3Kv8eaC1eHKtI2JK5baDNRv+etv1jjk9VOydVaHaUbxHZdAgXpATlPgx3MHOsubZu 9ojzfAyQMt3CccJa2UpNlROPNvV2Q7GxzrUv0g== ) ;; ADDITIONAL SECTION (27 records) m.gtld-servers.net. 172800 IN A 192.55.83.30 l.gtld-servers.net. 172800 IN A 192.41.162.30 k.gtld-servers.net. 172800 IN A 192.52.178.30 j.gtld-servers.net. 172800 IN A 192.48.79.30 i.gtld-servers.net. 172800 IN A 192.43.172.30 h.gtld-servers.net. 172800 IN A 192.54.112.30 g.gtld-servers.net. 172800 IN A 192.42.93.30 f.gtld-servers.net. 172800 IN A 192.35.51.30 e.gtld-servers.net. 172800 IN A 192.12.94.30 d.gtld-servers.net. 172800 IN A 192.31.80.30 c.gtld-servers.net. 172800 IN A 192.26.92.30 b.gtld-servers.net. 172800 IN A 192.33.14.30 a.gtld-servers.net. 172800 IN A 192.5.6.30 m.gtld-servers.net. 172800 IN AAAA 2001:501:b1f9::30 l.gtld-servers.net. 172800 IN AAAA 2001:500:d937::30 k.gtld-servers.net. 172800 IN AAAA 2001:503:d2d::30 j.gtld-servers.net. 172800 IN AAAA 2001:502:7094::30 i.gtld-servers.net. 172800 IN AAAA 2001:503:39c1::30 h.gtld-servers.net. 172800 IN AAAA 2001:502:8cc::30 g.gtld-servers.net. 172800 IN AAAA 2001:503:eea3::30 f.gtld-servers.net. 172800 IN AAAA 2001:503:d414::30 e.gtld-servers.net. 172800 IN AAAA 2001:502:1ca1::30 d.gtld-servers.net. 172800 IN AAAA 2001:500:856e::30 c.gtld-servers.net. 172800 IN AAAA 2001:503:83eb::30 b.gtld-servers.net. 172800 IN AAAA 2001:503:231d::2:30 a.gtld-servers.net. 172800 IN AAAA 2001:503:a83e::2:30 ;; { "EDNS-VERSION": 0 }
	Query to f.root-servers.net for com/DNSKEY
	Received 1163 bytes from 192.5.5.241
	;; Response received from [192.5.5.241] 1163 octets ;; HEADER SECTION ;; id = 35411 ;; 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 = 15 arcount = 27 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1472, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; com. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (15 records) com. 172800 IN NS a.gtld-servers.net. com. 172800 IN NS b.gtld-servers.net. com. 172800 IN NS c.gtld-servers.net. com. 172800 IN NS d.gtld-servers.net. com. 172800 IN NS e.gtld-servers.net. com. 172800 IN NS f.gtld-servers.net. com. 172800 IN NS g.gtld-servers.net. com. 172800 IN NS h.gtld-servers.net. com. 172800 IN NS i.gtld-servers.net. com. 172800 IN NS j.gtld-servers.net. com. 172800 IN NS k.gtld-servers.net. com. 172800 IN NS l.gtld-servers.net. com. 172800 IN NS m.gtld-servers.net. com. 86400 IN DS ( 19718 13 2 8acbb0cd28f41250a80a491389424d341522d946b0da0c0291f2d3d771d7805a ) com. 86400 IN RRSIG ( DS 8 1 86400 20260403170000 20260321160000 21831 . IJS/dqwlrd7s81Hyyh5qB64NS/sKpoV+kgsUbfO5PIQZrA0YPRc0cAMT2jX8llYqXE82hJYN8SCh DwBjJSJOBXQ3KeD1N/iM3sDaxepXBjf0bT7iueZKDQja3vxYIaN0se+sk8Ddt1WzwfZrcQZiOOD9 hi49PRpegQ02yyHnaGibopPAfII+HrMinIZnH7qf7aEFbZe2tpiZJMsZd7uEQR3Mr72HQeA8lEsO gZMTu9GKwrm3Kv8eaC1eHKtI2JK5baDNRv+etv1jjk9VOydVaHaUbxHZdAgXpATlPgx3MHOsubZu 9ojzfAyQMt3CccJa2UpNlROPNvV2Q7GxzrUv0g== ) ;; ADDITIONAL SECTION (27 records) a.gtld-servers.net. 172800 IN A 192.5.6.30 a.gtld-servers.net. 172800 IN AAAA 2001:503:a83e::2:30 b.gtld-servers.net. 172800 IN A 192.33.14.30 b.gtld-servers.net. 172800 IN AAAA 2001:503:231d::2:30 c.gtld-servers.net. 172800 IN A 192.26.92.30 c.gtld-servers.net. 172800 IN AAAA 2001:503:83eb::30 d.gtld-servers.net. 172800 IN A 192.31.80.30 d.gtld-servers.net. 172800 IN AAAA 2001:500:856e::30 e.gtld-servers.net. 172800 IN A 192.12.94.30 e.gtld-servers.net. 172800 IN AAAA 2001:502:1ca1::30 f.gtld-servers.net. 172800 IN A 192.35.51.30 f.gtld-servers.net. 172800 IN AAAA 2001:503:d414::30 g.gtld-servers.net. 172800 IN A 192.42.93.30 g.gtld-servers.net. 172800 IN AAAA 2001:503:eea3::30 h.gtld-servers.net. 172800 IN A 192.54.112.30 h.gtld-servers.net. 172800 IN AAAA 2001:502:8cc::30 i.gtld-servers.net. 172800 IN A 192.43.172.30 i.gtld-servers.net. 172800 IN AAAA 2001:503:39c1::30 j.gtld-servers.net. 172800 IN A 192.48.79.30 j.gtld-servers.net. 172800 IN AAAA 2001:502:7094::30 k.gtld-servers.net. 172800 IN A 192.52.178.30 k.gtld-servers.net. 172800 IN AAAA 2001:503:d2d::30 l.gtld-servers.net. 172800 IN A 192.41.162.30 l.gtld-servers.net. 172800 IN AAAA 2001:500:d937::30 m.gtld-servers.net. 172800 IN A 192.55.83.30 m.gtld-servers.net. 172800 IN AAAA 2001:501:b1f9::30 ;; { "EDNS-VERSION": 0 }
	Found child zone com

com

	Checking DS between . and com
	Query to c.root-servers.net for com/DS
	Received 367 bytes from 192.33.4.12
	;; Response received from [192.33.4.12] 367 octets ;; HEADER SECTION ;; id = 11128 ;; 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) ;; com. IN DS ;; ANSWER SECTION (2 records) com. 86400 IN DS ( 19718 13 2 8acbb0cd28f41250a80a491389424d341522d946b0da0c0291f2d3d771d7805a ) com. 86400 IN RRSIG ( DS 8 1 86400 20260403170000 20260321160000 21831 . IJS/dqwlrd7s81Hyyh5qB64NS/sKpoV+kgsUbfO5PIQZrA0YPRc0cAMT2jX8llYqXE82hJYN8SCh DwBjJSJOBXQ3KeD1N/iM3sDaxepXBjf0bT7iueZKDQja3vxYIaN0se+sk8Ddt1WzwfZrcQZiOOD9 hi49PRpegQ02yyHnaGibopPAfII+HrMinIZnH7qf7aEFbZe2tpiZJMsZd7uEQR3Mr72HQeA8lEsO gZMTu9GKwrm3Kv8eaC1eHKtI2JK5baDNRv+etv1jjk9VOydVaHaUbxHZdAgXpATlPgx3MHOsubZu 9ojzfAyQMt3CccJa2UpNlROPNvV2Q7GxzrUv0g== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 1 DS records for com in the . zone
	DS=19718/SHA-256 has algorithm ECDSAP256SHA256
	Found 1 RRSIGs over DS RRset
	`com. 86400 IN RRSIG ( DS 8 1 86400 20260403170000 20260321160000 21831 . IJS/dqwlrd7s81Hyyh5qB64NS/sKpoV+kgsUbfO5PIQZrA0YPRc0cAMT2jX8llYqXE82hJYN8SCh DwBjJSJOBXQ3KeD1N/iM3sDaxepXBjf0bT7iueZKDQja3vxYIaN0se+sk8Ddt1WzwfZrcQZiOOD9 hi49PRpegQ02yyHnaGibopPAfII+HrMinIZnH7qf7aEFbZe2tpiZJMsZd7uEQR3Mr72HQeA8lEsO gZMTu9GKwrm3Kv8eaC1eHKtI2JK5baDNRv+etv1jjk9VOydVaHaUbxHZdAgXpATlPgx3MHOsubZu 9ojzfAyQMt3CccJa2UpNlROPNvV2Q7GxzrUv0g== )`
	RRSIG=21831 and DNSKEY=21831 verifies the DS RRset
	DS=19718/SHA-256 is now in the chain-of-trust
	`com. 86400 IN DS ( 19718 13 2 8acbb0cd28f41250a80a491389424d341522d946b0da0c0291f2d3d771d7805a )`
	Query to k.gtld-servers.net for com/DNSKEY
	Received 291 bytes from 192.52.178.30
	;; Response received from [192.52.178.30] 291 octets ;; HEADER SECTION ;; id = 39162 ;; 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": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; com. IN DNSKEY ;; ANSWER SECTION (3 records) com. 86400 IN DNSKEY ( 257 3 13 tx8EZRAd2+K/DJRV0S+hbBzaRPS/G6JVNBitHzqpsGlz8huE61Ms9ANe6NSDLKJtiTBqfTJWDAyw Ep1FCsEINQ== ) ; keytag 19718 com. 86400 IN DNSKEY ( 256 3 13 i529KPLz+9AkrHsuDUvozFxk/jAcCaku7WNyRKVlEubhh2x9Vimdi//ANLbNk/JW1uZ53RNASSNv opgemNL9kw== ) ; keytag 35511 com. 86400 IN RRSIG ( DNSKEY 13 1 86400 20260402140235 20260318135735 19718 com. mwcIBK8qJ6Qvww3ZCYyRFigf01oqt3bbZt4Z1cjgnSDiwzGs0RG3Ie4KHBOKLaLO3/uWNeb3T4dY OTz8t0KUFQ== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 2 DNSKEY records for com
	`com. 86400 IN DNSKEY ( 257 3 13 tx8EZRAd2+K/DJRV0S+hbBzaRPS/G6JVNBitHzqpsGlz8huE61Ms9ANe6NSDLKJtiTBqfTJWDAyw Ep1FCsEINQ== ) ; keytag 19718`
	`com. 86400 IN DNSKEY ( 256 3 13 i529KPLz+9AkrHsuDUvozFxk/jAcCaku7WNyRKVlEubhh2x9Vimdi//ANLbNk/JW1uZ53RNASSNv opgemNL9kw== ) ; keytag 35511`
	DNSKEY=19718/SEP is now in the chain-of-trust
	DS=19718/SHA-256 verifies DNSKEY=19718/SEP
	Found 1 RRSIGs over DNSKEY RRset
	`com. 86400 IN RRSIG ( DNSKEY 13 1 86400 20260402140235 20260318135735 19718 com. mwcIBK8qJ6Qvww3ZCYyRFigf01oqt3bbZt4Z1cjgnSDiwzGs0RG3Ie4KHBOKLaLO3/uWNeb3T4dY OTz8t0KUFQ== )`
	RRSIG=19718 and DNSKEY=19718/SEP verifies the DNSKEY RRset
	DNSKEY=35511 is now in the chain-of-trust
	Query to d.gtld-servers.net for leetcode.com/A
	Received 506 bytes from 192.31.80.30
	;; Response received from [192.31.80.30] 506 octets ;; HEADER SECTION ;; id = 21904 ;; 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 = 13 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; leetcode.com. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (4 records) leetcode.com. 172800 IN NS rob.ns.cloudflare.com. leetcode.com. 172800 IN NS melinda.ns.cloudflare.com. leetcode.com. 86400 IN DS ( 2371 13 2 16c35e9f49df32ecc9d2db0dc296c0eed3fadaf32d575a824092250bc2416545 ) leetcode.com. 86400 IN RRSIG ( DS 13 2 86400 20260328010550 20260320235550 35511 com. PxF+KmC2nXIvMzlFZO8dRm1HpwbYup8Etwwwh3jAPRzjlP2hIW0HhC4bMa9F8WmwcK2OPOAmdvtr u/oo36p2EQ== ) ;; ADDITIONAL SECTION (13 records) rob.ns.cloudflare.com. 172800 IN A 108.162.193.140 rob.ns.cloudflare.com. 172800 IN A 172.64.33.140 rob.ns.cloudflare.com. 172800 IN A 173.245.59.140 rob.ns.cloudflare.com. 172800 IN AAAA 2606:4700:58::adf5:3b8c rob.ns.cloudflare.com. 172800 IN AAAA 2803:f800:50::6ca2:c18c rob.ns.cloudflare.com. 172800 IN AAAA 2a06:98c1:50::ac40:218c melinda.ns.cloudflare.com. 172800 IN A 108.162.192.198 melinda.ns.cloudflare.com. 172800 IN A 172.64.32.198 melinda.ns.cloudflare.com. 172800 IN A 173.245.58.198 melinda.ns.cloudflare.com. 172800 IN AAAA 2606:4700:50::adf5:3ac6 melinda.ns.cloudflare.com. 172800 IN AAAA 2803:f800:50::6ca2:c0c6 melinda.ns.cloudflare.com. 172800 IN AAAA 2a06:98c1:50::ac40:20c6 ;; { "EDNS-VERSION": 0 }
	Query to j.gtld-servers.net for leetcode.com/DNSKEY
	Received 506 bytes from 192.48.79.30
	;; Response received from [192.48.79.30] 506 octets ;; HEADER SECTION ;; id = 119 ;; 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 = 13 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; leetcode.com. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (4 records) leetcode.com. 172800 IN NS rob.ns.cloudflare.com. leetcode.com. 172800 IN NS melinda.ns.cloudflare.com. leetcode.com. 86400 IN DS ( 2371 13 2 16c35e9f49df32ecc9d2db0dc296c0eed3fadaf32d575a824092250bc2416545 ) leetcode.com. 86400 IN RRSIG ( DS 13 2 86400 20260328010550 20260320235550 35511 com. PxF+KmC2nXIvMzlFZO8dRm1HpwbYup8Etwwwh3jAPRzjlP2hIW0HhC4bMa9F8WmwcK2OPOAmdvtr u/oo36p2EQ== ) ;; ADDITIONAL SECTION (13 records) rob.ns.cloudflare.com. 172800 IN A 108.162.193.140 rob.ns.cloudflare.com. 172800 IN A 172.64.33.140 rob.ns.cloudflare.com. 172800 IN A 173.245.59.140 rob.ns.cloudflare.com. 172800 IN AAAA 2606:4700:58::adf5:3b8c rob.ns.cloudflare.com. 172800 IN AAAA 2803:f800:50::6ca2:c18c rob.ns.cloudflare.com. 172800 IN AAAA 2a06:98c1:50::ac40:218c melinda.ns.cloudflare.com. 172800 IN A 108.162.192.198 melinda.ns.cloudflare.com. 172800 IN A 172.64.32.198 melinda.ns.cloudflare.com. 172800 IN A 173.245.58.198 melinda.ns.cloudflare.com. 172800 IN AAAA 2606:4700:50::adf5:3ac6 melinda.ns.cloudflare.com. 172800 IN AAAA 2803:f800:50::6ca2:c0c6 melinda.ns.cloudflare.com. 172800 IN AAAA 2a06:98c1:50::ac40:20c6 ;; { "EDNS-VERSION": 0 }
	Found child zone leetcode.com

leetcode.com

	Checking DS between com and leetcode.com
	Query to m.gtld-servers.net for leetcode.com/DS
	Received 1083 bytes from 192.55.83.30
	;; Response received from [192.55.83.30] 1083 octets ;; HEADER SECTION ;; id = 17535 ;; 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 = 14 arcount = 27 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; leetcode.com. IN DS ;; ANSWER SECTION (2 records) leetcode.com. 86400 IN DS ( 2371 13 2 16c35e9f49df32ecc9d2db0dc296c0eed3fadaf32d575a824092250bc2416545 ) leetcode.com. 86400 IN RRSIG ( DS 13 2 86400 20260328010550 20260320235550 35511 com. PxF+KmC2nXIvMzlFZO8dRm1HpwbYup8Etwwwh3jAPRzjlP2hIW0HhC4bMa9F8WmwcK2OPOAmdvtr u/oo36p2EQ== ) ;; AUTHORITY SECTION (14 records) com. 172800 IN NS l.gtld-servers.net. com. 172800 IN NS i.gtld-servers.net. com. 172800 IN NS k.gtld-servers.net. com. 172800 IN NS m.gtld-servers.net. com. 172800 IN NS g.gtld-servers.net. com. 172800 IN NS c.gtld-servers.net. com. 172800 IN NS d.gtld-servers.net. com. 172800 IN NS f.gtld-servers.net. com. 172800 IN NS b.gtld-servers.net. com. 172800 IN NS e.gtld-servers.net. com. 172800 IN NS a.gtld-servers.net. com. 172800 IN NS j.gtld-servers.net. com. 172800 IN NS h.gtld-servers.net. com. 172800 IN RRSIG ( NS 13 1 172800 20260328002624 20260320231624 35511 com. 822StBF1fKlf9AaOEsOoHFecgpMJPtBvUYhtpv+xj7TG8xg/1SlsEFySUgh/rnfNSYzn8Ax7s2Nn pHnSKcGgag== ) ;; ADDITIONAL SECTION (27 records) l.gtld-servers.net. 172800 IN A 192.41.162.30 l.gtld-servers.net. 172800 IN AAAA 2001:500:d937::30 i.gtld-servers.net. 172800 IN A 192.43.172.30 i.gtld-servers.net. 172800 IN AAAA 2001:503:39c1::30 k.gtld-servers.net. 172800 IN A 192.52.178.30 k.gtld-servers.net. 172800 IN AAAA 2001:503:d2d::30 m.gtld-servers.net. 172800 IN A 192.55.83.30 m.gtld-servers.net. 172800 IN AAAA 2001:501:b1f9::30 g.gtld-servers.net. 172800 IN A 192.42.93.30 g.gtld-servers.net. 172800 IN AAAA 2001:503:eea3::30 c.gtld-servers.net. 172800 IN A 192.26.92.30 c.gtld-servers.net. 172800 IN AAAA 2001:503:83eb::30 d.gtld-servers.net. 172800 IN A 192.31.80.30 d.gtld-servers.net. 172800 IN AAAA 2001:500:856e::30 f.gtld-servers.net. 172800 IN A 192.35.51.30 f.gtld-servers.net. 172800 IN AAAA 2001:503:d414::30 b.gtld-servers.net. 172800 IN A 192.33.14.30 b.gtld-servers.net. 172800 IN AAAA 2001:503:231d::2:30 e.gtld-servers.net. 172800 IN A 192.12.94.30 e.gtld-servers.net. 172800 IN AAAA 2001:502:1ca1::30 a.gtld-servers.net. 172800 IN A 192.5.6.30 a.gtld-servers.net. 172800 IN AAAA 2001:503:a83e::2:30 j.gtld-servers.net. 172800 IN A 192.48.79.30 j.gtld-servers.net. 172800 IN AAAA 2001:502:7094::30 h.gtld-servers.net. 172800 IN A 192.54.112.30 h.gtld-servers.net. 172800 IN AAAA 2001:502:8cc::30 ;; { "EDNS-VERSION": 0 }
	Found 1 DS records for leetcode.com in the com zone
	DS=2371/SHA-256 has algorithm ECDSAP256SHA256
	Found 1 RRSIGs over DS RRset
	`leetcode.com. 86400 IN RRSIG ( DS 13 2 86400 20260328010550 20260320235550 35511 com. PxF+KmC2nXIvMzlFZO8dRm1HpwbYup8Etwwwh3jAPRzjlP2hIW0HhC4bMa9F8WmwcK2OPOAmdvtr u/oo36p2EQ== )`
	RRSIG=35511 and DNSKEY=35511 verifies the DS RRset
	DS=2371/SHA-256 is now in the chain-of-trust
	`leetcode.com. 86400 IN DS ( 2371 13 2 16c35e9f49df32ecc9d2db0dc296c0eed3fadaf32d575a824092250bc2416545 )`
	Query to rob.ns.cloudflare.com for leetcode.com/DNSKEY
	Received 309 bytes from 108.162.193.140
	;; Response received from [108.162.193.140] 309 octets ;; HEADER SECTION ;; id = 40595 ;; 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) ;; leetcode.com. IN DNSKEY ;; ANSWER SECTION (3 records) leetcode.com. 3600 IN DNSKEY ( 257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+KkxLbxILfDLUT0rAK9iU zy1L53eKGQ== ) ; keytag 2371 leetcode.com. 3600 IN DNSKEY ( 256 3 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8KqXXFJkqmVfRvMGPmM1x 8fGAa2XhSA== ) ; keytag 34505 leetcode.com. 3600 IN RRSIG ( DNSKEY 13 2 3600 20260517223843 20260317223843 2371 leetcode.com. x8MQg9osAB/yyRPLp+UrVsaRmgh0khaUzPN20K73dud2itEgDY70UsAxxxLo8LtoPe7G6xiJ7gaB srj2i0cawg== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 2 DNSKEY records for leetcode.com
	`leetcode.com. 3600 IN DNSKEY ( 257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+KkxLbxILfDLUT0rAK9iU zy1L53eKGQ== ) ; keytag 2371`
	`leetcode.com. 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
	`leetcode.com. 3600 IN RRSIG ( DNSKEY 13 2 3600 20260517223843 20260317223843 2371 leetcode.com. x8MQg9osAB/yyRPLp+UrVsaRmgh0khaUzPN20K73dud2itEgDY70UsAxxxLo8LtoPe7G6xiJ7gaB srj2i0cawg== )`
	RRSIG=2371 and DNSKEY=2371/SEP verifies the DNSKEY RRset
	DNSKEY=34505 is now in the chain-of-trust
	Query to melinda.ns.cloudflare.com for leetcode.com/A
	Received 181 bytes from 108.162.192.198
	;; Response received from [108.162.192.198] 181 octets ;; HEADER SECTION ;; id = 40268 ;; 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) ;; leetcode.com. IN A ;; ANSWER SECTION (3 records) leetcode.com. 300 IN A 172.66.154.160 leetcode.com. 300 IN A 104.20.41.79 leetcode.com. 300 IN RRSIG ( A 13 2 300 20260323104802 20260321084802 34505 leetcode.com. +qfiDfai7JbQ/qjefDGfZfrH/29K/HHrfUXlHWuAjcFIcUhEF0pZqAiyxfMVSp3TUMwJVD19wKFF iEt95CI1uw== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	melinda.ns.cloudflare.com is authoritative for leetcode.com
	Found RRSIG signed by leetcode.com zone
	Query to rob.ns.cloudflare.com for leetcode.com/SOA
	Received 211 bytes from 173.245.59.140
	;; Response received from [173.245.59.140] 211 octets ;; HEADER SECTION ;; id = 60026 ;; 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) ;; leetcode.com. IN SOA ;; ANSWER SECTION (2 records) leetcode.com. 1800 IN SOA ( melinda.ns.cloudflare.com. dns.cloudflare.com. 2399544382 ;serial 10000 ;refresh 2400 ;retry 604800 ;expire 1800 ;minimum ) leetcode.com. 1800 IN RRSIG ( SOA 13 2 1800 20260323104802 20260321084802 34505 leetcode.com. IiCDJUwCJpkfww+KBsiHEMmKwRP6g9RHvSvvOWn/N4e/quKavskuHywW4c6f0L//ZzxrN83eAmPN c01p+j4rVA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to melinda.ns.cloudflare.com for leetcode.com/A
	Received 181 bytes from 172.64.32.198
	;; Response received from [172.64.32.198] 181 octets ;; HEADER SECTION ;; id = 24504 ;; 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) ;; leetcode.com. IN A ;; ANSWER SECTION (3 records) leetcode.com. 300 IN A 172.66.154.160 leetcode.com. 300 IN A 104.20.41.79 leetcode.com. 300 IN RRSIG ( A 13 2 300 20260323104802 20260321084802 34505 leetcode.com. ppgM35zyv9NU7TALyKmVDRcsZN9UrKRCKa7QRAUdOvJhLCZcQ7cNWnuC4sPsCGpkjLhaQLBQ3Kga mEObuw9aDA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	leetcode.com A RR has value 172.66.154.160
	leetcode.com A RR has value 104.20.41.79
	Found 1 RRSIGs over A RRset
	`leetcode.com. 300 IN RRSIG ( A 13 2 300 20260323104802 20260321084802 34505 leetcode.com. ppgM35zyv9NU7TALyKmVDRcsZN9UrKRCKa7QRAUdOvJhLCZcQ7cNWnuC4sPsCGpkjLhaQLBQ3Kga mEObuw9aDA== )`
	RRSIG=34505 and DNSKEY=34505 verifies the A RRset

leetcode.com

	Query to rob.ns.cloudflare.com for leetcode.com/A
	Received 181 bytes from 108.162.193.140
	;; Response received from [108.162.193.140] 181 octets ;; HEADER SECTION ;; id = 28579 ;; 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) ;; leetcode.com. IN A ;; ANSWER SECTION (3 records) leetcode.com. 300 IN A 104.20.41.79 leetcode.com. 300 IN A 172.66.154.160 leetcode.com. 300 IN RRSIG ( A 13 2 300 20260323104802 20260321084802 34505 leetcode.com. zp2+BrvUpIRAuf3VxmqN1V/OfHFy1RVo3Q3CSl1QhPLj/krKjpDkuHJ+T/sBWoaKsxVHca0RykYW KaGNC5uAgQ== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	rob.ns.cloudflare.com is authoritative for leetcode.com
	Found RRSIG signed by leetcode.com zone
	Query to rob.ns.cloudflare.com for leetcode.com/A
	Received 181 bytes from 108.162.193.140
	;; Response received from [108.162.193.140] 181 octets ;; HEADER SECTION ;; id = 57828 ;; 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) ;; leetcode.com. IN A ;; ANSWER SECTION (3 records) leetcode.com. 300 IN A 172.66.154.160 leetcode.com. 300 IN A 104.20.41.79 leetcode.com. 300 IN RRSIG ( A 13 2 300 20260323104802 20260321084802 34505 leetcode.com. D4KNHUpot8U4PsD4/LjWN6bnA4T3DkI53+xRu4P23vNhPz59o51SejxbHLMefhPb0G8mSAxlIeS2 xw84X9YhFA== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	leetcode.com A RR has value 172.66.154.160
	leetcode.com A RR has value 104.20.41.79
	Found 1 RRSIGs over A RRset
	`leetcode.com. 300 IN RRSIG ( A 13 2 300 20260323104802 20260321084802 34505 leetcode.com. D4KNHUpot8U4PsD4/LjWN6bnA4T3DkI53+xRu4P23vNhPz59o51SejxbHLMefhPb0G8mSAxlIeS2 xw84X9YhFA== )`
	RRSIG=34505 and DNSKEY=34505 verifies the A RRset

Move your mouse over any or symbols for remediation hints.

Want a second opinion? Test leetcode.com at dnsviz.net.

DNSSEC Debugger

↓ Advanced options ↑ Advanced options

Trust Anchor:
Name Servers: