DNSSEC Debugger

Domain Name:

Time: 2026-01-16 05:33:42 UTC

Analyzing DNSSEC problems for sina.cn

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 m.root-servers.net for ./DNSKEY
	Received 1141 bytes from 202.12.27.33
	;; Response received from [202.12.27.33] 1141 octets ;; HEADER SECTION ;; id = 391 ;; 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 ( 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 20260201000000 20260111000000 20326 . o5fb3sEBXqMp65iz/RYeHunfketTsbyKhRLUWAiB6chftQ2eNH4VI00qEw67TN2CdVW/V5TCrYSg aGS0iGFHQO230lhtKq11eAD2LYTkDLvVDVejbxNz9maZy98L2xhLvkE2L2Aaz+GgqjHy9VEb6nc+ mtfCNpr2H0/Yet6Mgie6pTOCXE++1tf4g8NWsEx0nE41pwURB7UbC9ssYdsgnYqaTzUwRVxbij99 BCxIDKoEnwNCQBJFqSkr7AKzEtuu8F1ktgFIMcgkWnRAnNFLtLrG8gOoJw8PfpDoFI/Qc0RJddKB /s4akfSood+kpPKR4HNossFw5UTQuDuarMGxuA== ) ;; 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 20260201000000 20260111000000 20326 . o5fb3sEBXqMp65iz/RYeHunfketTsbyKhRLUWAiB6chftQ2eNH4VI00qEw67TN2CdVW/V5TCrYSg aGS0iGFHQO230lhtKq11eAD2LYTkDLvVDVejbxNz9maZy98L2xhLvkE2L2Aaz+GgqjHy9VEb6nc+ mtfCNpr2H0/Yet6Mgie6pTOCXE++1tf4g8NWsEx0nE41pwURB7UbC9ssYdsgnYqaTzUwRVxbij99 BCxIDKoEnwNCQBJFqSkr7AKzEtuu8F1ktgFIMcgkWnRAnNFLtLrG8gOoJw8PfpDoFI/Qc0RJddKB /s4akfSood+kpPKR4HNossFw5UTQuDuarMGxuA== )`
	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 b.root-servers.net for sina.cn/A
	Received 718 bytes from 170.247.170.2
	;; Response received from [170.247.170.2] 718 octets ;; HEADER SECTION ;; id = 13266 ;; 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 = 8 arcount = 12 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; sina.cn. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (8 records) cn. 172800 IN NS a.dns.cn. cn. 172800 IN NS b.dns.cn. cn. 172800 IN NS c.dns.cn. cn. 172800 IN NS d.dns.cn. cn. 172800 IN NS e.dns.cn. cn. 172800 IN NS ns.cernet.net. cn. 86400 IN DS ( 33094 8 2 cccf13ed73a83244f7d2936f0b6c3507d85c3ebc5e1be4fb644064bc5b5fe3b2 ) cn. 86400 IN RRSIG ( DS 8 1 86400 20260128210000 20260115200000 21831 . a/Hh2qj1xZldmSFa5nYhVmFa8B0+ohH4BWNu1y7A71b1RRagGPafYh4TKxXAboXHwsTt8UvKjC7F uK/0zND9i6KNjPQZu4JyKAJ5yVYmD12suqauAwawAMRqdzGlvmdQGh+fGkfO+E4RQWe7C3jEl8Gg +9hNSkldrJLxk4iUQXgD+OPsk8VYW7q96YoKSU8DFwvn8KBVYgMgyQuVUqvJl3SnYJIT+fKs0yLl q3SS1XtN+LashgIUQthsGOJ5ULac/SCScXEvAYMZdzjjJfha4wI2UVkTAw43Wqq2D4FuU0sNUXk5 urSuBHFXGsSKzm+/JQ293SzG/9nDNZR0V4mDKg== ) ;; ADDITIONAL SECTION (12 records) a.dns.cn. 172800 IN A 203.119.25.1 a.dns.cn. 172800 IN AAAA 2001:dc7::1 b.dns.cn. 172800 IN A 203.119.26.1 b.dns.cn. 172800 IN AAAA 2001:dc7:1::1 c.dns.cn. 172800 IN A 203.119.27.1 c.dns.cn. 172800 IN AAAA 2001:dc7:2::1 d.dns.cn. 172800 IN A 203.119.28.1 d.dns.cn. 172800 IN AAAA 2001:dc7:1000::1 e.dns.cn. 172800 IN A 203.119.29.1 e.dns.cn. 172800 IN AAAA 2001:dc7:3::1 ns.cernet.net. 172800 IN A 202.112.0.44 ;; { "EDNS-VERSION": 0 }
	Query to l.root-servers.net for cn/DNSKEY
	Received 713 bytes from 199.7.83.42
	;; Response received from [199.7.83.42] 713 octets ;; HEADER SECTION ;; id = 50056 ;; 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 = 8 arcount = 12 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; cn. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (8 records) cn. 172800 IN NS a.dns.cn. cn. 172800 IN NS b.dns.cn. cn. 172800 IN NS c.dns.cn. cn. 172800 IN NS d.dns.cn. cn. 172800 IN NS e.dns.cn. cn. 172800 IN NS ns.cernet.net. cn. 86400 IN DS ( 33094 8 2 cccf13ed73a83244f7d2936f0b6c3507d85c3ebc5e1be4fb644064bc5b5fe3b2 ) cn. 86400 IN RRSIG ( DS 8 1 86400 20260128210000 20260115200000 21831 . a/Hh2qj1xZldmSFa5nYhVmFa8B0+ohH4BWNu1y7A71b1RRagGPafYh4TKxXAboXHwsTt8UvKjC7F uK/0zND9i6KNjPQZu4JyKAJ5yVYmD12suqauAwawAMRqdzGlvmdQGh+fGkfO+E4RQWe7C3jEl8Gg +9hNSkldrJLxk4iUQXgD+OPsk8VYW7q96YoKSU8DFwvn8KBVYgMgyQuVUqvJl3SnYJIT+fKs0yLl q3SS1XtN+LashgIUQthsGOJ5ULac/SCScXEvAYMZdzjjJfha4wI2UVkTAw43Wqq2D4FuU0sNUXk5 urSuBHFXGsSKzm+/JQ293SzG/9nDNZR0V4mDKg== ) ;; ADDITIONAL SECTION (12 records) a.dns.cn. 172800 IN A 203.119.25.1 b.dns.cn. 172800 IN A 203.119.26.1 c.dns.cn. 172800 IN A 203.119.27.1 d.dns.cn. 172800 IN A 203.119.28.1 e.dns.cn. 172800 IN A 203.119.29.1 ns.cernet.net. 172800 IN A 202.112.0.44 a.dns.cn. 172800 IN AAAA 2001:dc7::1 b.dns.cn. 172800 IN AAAA 2001:dc7:1::1 c.dns.cn. 172800 IN AAAA 2001:dc7:2::1 d.dns.cn. 172800 IN AAAA 2001:dc7:1000::1 e.dns.cn. 172800 IN AAAA 2001:dc7:3::1 ;; { "EDNS-VERSION": 0 }
	Found child zone cn

	Checking DS between . and cn
	Query to k.root-servers.net for cn/DS
	Received 366 bytes from 193.0.14.129
	;; Response received from [193.0.14.129] 366 octets ;; HEADER SECTION ;; id = 49598 ;; 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) ;; cn. IN DS ;; ANSWER SECTION (2 records) cn. 86400 IN DS ( 33094 8 2 cccf13ed73a83244f7d2936f0b6c3507d85c3ebc5e1be4fb644064bc5b5fe3b2 ) cn. 86400 IN RRSIG ( DS 8 1 86400 20260128210000 20260115200000 21831 . a/Hh2qj1xZldmSFa5nYhVmFa8B0+ohH4BWNu1y7A71b1RRagGPafYh4TKxXAboXHwsTt8UvKjC7F uK/0zND9i6KNjPQZu4JyKAJ5yVYmD12suqauAwawAMRqdzGlvmdQGh+fGkfO+E4RQWe7C3jEl8Gg +9hNSkldrJLxk4iUQXgD+OPsk8VYW7q96YoKSU8DFwvn8KBVYgMgyQuVUqvJl3SnYJIT+fKs0yLl q3SS1XtN+LashgIUQthsGOJ5ULac/SCScXEvAYMZdzjjJfha4wI2UVkTAw43Wqq2D4FuU0sNUXk5 urSuBHFXGsSKzm+/JQ293SzG/9nDNZR0V4mDKg== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 1 DS records for cn in the . zone
	DS=33094/SHA-256 has algorithm RSASHA256
	Found 1 RRSIGs over DS RRset
	`cn. 86400 IN RRSIG ( DS 8 1 86400 20260128210000 20260115200000 21831 . a/Hh2qj1xZldmSFa5nYhVmFa8B0+ohH4BWNu1y7A71b1RRagGPafYh4TKxXAboXHwsTt8UvKjC7F uK/0zND9i6KNjPQZu4JyKAJ5yVYmD12suqauAwawAMRqdzGlvmdQGh+fGkfO+E4RQWe7C3jEl8Gg +9hNSkldrJLxk4iUQXgD+OPsk8VYW7q96YoKSU8DFwvn8KBVYgMgyQuVUqvJl3SnYJIT+fKs0yLl q3SS1XtN+LashgIUQthsGOJ5ULac/SCScXEvAYMZdzjjJfha4wI2UVkTAw43Wqq2D4FuU0sNUXk5 urSuBHFXGsSKzm+/JQ293SzG/9nDNZR0V4mDKg== )`
	RRSIG=21831 and DNSKEY=21831 verifies the DS RRset
	DS=33094/SHA-256 is now in the chain-of-trust
	`cn. 86400 IN DS ( 33094 8 2 cccf13ed73a83244f7d2936f0b6c3507d85c3ebc5e1be4fb644064bc5b5fe3b2 )`
	Query to e.dns.cn for cn/DNSKEY
	Received 907 bytes from 203.119.29.1
	;; Response received from [203.119.29.1] 907 octets ;; HEADER SECTION ;; id = 52556 ;; 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": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; cn. IN DNSKEY ;; ANSWER SECTION (4 records) cn. 86400 IN DNSKEY ( 256 3 8 AwEAAaxMabJOjpV+ccAKgWjP1UBfVBN+VCFu92scQydffI3tNiFJ35GHGV8ktSQn72LYgMHUlibA X10D5a8BR2+6RSA6pUNIMnUuLwMAa03avcbvQcX8eG+C3Ys3VBi6sYMw7hXlxhZHMq9GPtsXtOjZ fm9DAe7rz7T1pO5M0YniheXR ) ; keytag 38388 cn. 86400 IN DNSKEY ( 257 3 8 AwEAAdH1P6DeDV2GOLoYrLVmu9xv6k1Z7HD01Xg0zhiXNKeWFnXTbGLwgGN/jyz32ZcIUckEA7PX FJ/N1jfAlQ6QbayiiwYZpGi3/pQC+nRVJlywamsQMrDp3cvYZGNvL25AAEBCm6nRsyWQ9KjdtVNq pwNZLYGG7clsYRrknJnUW5ZBHUj30Aavxo4H5tSXHTZ0YIjEFjHPJbyFzYLITXZWS3zEsMht/E60 5uEH1sUYiIKeepjyWVbq+foljXsWjVXBfYA/KZBxbyKRMvzo8ar6IhNvs5yskrNGOBGqm1bZn43P /e7RIgDhHEwFLJR78uzD8hcRqXcri0+gIZ/m7BbS2es= ) ; keytag 33094 cn. 86400 IN RRSIG ( DNSKEY 8 1 86400 20260210113729 20260111105855 38388 cn. RIi2uGg0nCQ8Nnkk6byF7Igz/l8FKV2tO/B08GDS05CpVJffe/jOpz/ZTghbcb3yx3sovU/VDSdD j3cPrqjP5cO6zdsnrv29c2Wh22vVqlWbTAT5F4kdNYHylwpIT1BInH1t9hyKZlw4ucjBn3u9vfnB 13a+9tQOS7eRXEn572E= ) cn. 86400 IN RRSIG ( DNSKEY 8 1 86400 20260210113729 20260111105855 33094 cn. GMnwB5qFVGtzQQgCuhWdXjulx8hTdvVM/s2Mu7Stv+WjqerLly4zPOZ6+7bj68xkojPdWb6jo7lU bhCjGTiktK4i8M3hc3f6Mf0s491BeXgl80B+Jms9H1RhSVK6XNo5u4PWWbWtdmRVlPjXfOPWA1Aj H31cq9LMtyR3C51Zz5S94xnialCy0BkqCI80xSs8F/oWmOuCR6EwxGejKVBE2n95MMWt5oZDJFKY AgiUXquXpNwnnTsvBwAw+XTtKrFbTEdODlhN2iXyXNX+1SRpzJBuSWoGMkHrmpQp94BJJLeEV7C/ ISioCydAYNHSScBmmtd3r9DSgsnYkjGyfsWGXQ== ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found 2 DNSKEY records for cn
	`cn. 86400 IN DNSKEY ( 256 3 8 AwEAAaxMabJOjpV+ccAKgWjP1UBfVBN+VCFu92scQydffI3tNiFJ35GHGV8ktSQn72LYgMHUlibA X10D5a8BR2+6RSA6pUNIMnUuLwMAa03avcbvQcX8eG+C3Ys3VBi6sYMw7hXlxhZHMq9GPtsXtOjZ fm9DAe7rz7T1pO5M0YniheXR ) ; keytag 38388`
	`cn. 86400 IN DNSKEY ( 257 3 8 AwEAAdH1P6DeDV2GOLoYrLVmu9xv6k1Z7HD01Xg0zhiXNKeWFnXTbGLwgGN/jyz32ZcIUckEA7PX FJ/N1jfAlQ6QbayiiwYZpGi3/pQC+nRVJlywamsQMrDp3cvYZGNvL25AAEBCm6nRsyWQ9KjdtVNq pwNZLYGG7clsYRrknJnUW5ZBHUj30Aavxo4H5tSXHTZ0YIjEFjHPJbyFzYLITXZWS3zEsMht/E60 5uEH1sUYiIKeepjyWVbq+foljXsWjVXBfYA/KZBxbyKRMvzo8ar6IhNvs5yskrNGOBGqm1bZn43P /e7RIgDhHEwFLJR78uzD8hcRqXcri0+gIZ/m7BbS2es= ) ; keytag 33094`
	DNSKEY=33094/SEP is now in the chain-of-trust
	DS=33094/SHA-256 verifies DNSKEY=33094/SEP
	Found 2 RRSIGs over DNSKEY RRset
	`cn. 86400 IN RRSIG ( DNSKEY 8 1 86400 20260210113729 20260111105855 38388 cn. RIi2uGg0nCQ8Nnkk6byF7Igz/l8FKV2tO/B08GDS05CpVJffe/jOpz/ZTghbcb3yx3sovU/VDSdD j3cPrqjP5cO6zdsnrv29c2Wh22vVqlWbTAT5F4kdNYHylwpIT1BInH1t9hyKZlw4ucjBn3u9vfnB 13a+9tQOS7eRXEn572E= )`
	`cn. 86400 IN RRSIG ( DNSKEY 8 1 86400 20260210113729 20260111105855 33094 cn. GMnwB5qFVGtzQQgCuhWdXjulx8hTdvVM/s2Mu7Stv+WjqerLly4zPOZ6+7bj68xkojPdWb6jo7lU bhCjGTiktK4i8M3hc3f6Mf0s491BeXgl80B+Jms9H1RhSVK6XNo5u4PWWbWtdmRVlPjXfOPWA1Aj H31cq9LMtyR3C51Zz5S94xnialCy0BkqCI80xSs8F/oWmOuCR6EwxGejKVBE2n95MMWt5oZDJFKY AgiUXquXpNwnnTsvBwAw+XTtKrFbTEdODlhN2iXyXNX+1SRpzJBuSWoGMkHrmpQp94BJJLeEV7C/ ISioCydAYNHSScBmmtd3r9DSgsnYkjGyfsWGXQ== )`
	RRSIG=38388 and DNSKEY=38388 verifies the DNSKEY RRset
	RRSIG=33094 and DNSKEY=33094/SEP verifies the DNSKEY RRset
	DNSKEY=38388 is now in the chain-of-trust
	Query to b.dns.cn for sina.cn/A
	Received 651 bytes from 203.119.26.1
	;; Response received from [203.119.26.1] 651 octets ;; HEADER SECTION ;; id = 34213 ;; 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 = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; sina.cn. IN A ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (6 records) sina.cn. 86400 IN NS ns2.sina.com.cn. sina.cn. 86400 IN NS ns3.sina.com.cn. 3qdaqa092ee5belp64a74ebnb8j53d7e.cn. 21600 IN NSEC3 ( 1 1 10 aef123ab 3qm14fq32f1cjftp8d3j5bctnp5bielo NS SOA RRSIG DNSKEY NSEC3PARAM ) 3qdaqa092ee5belp64a74ebnb8j53d7e.cn. 21600 IN RRSIG ( NSEC3 8 2 21600 20260210130129 20260111122632 38388 cn. ou6rcTBn/2yvk2Ky7Oor1RUwXGGtgrPLa7yug+SCVBGsvLHRrFVh9YOpqLakARImifBIJQokbAkR A9Arv/1lXG/sUcg+LRh9Zk5cRD6a7Pk0HmapJBd+zhUcWEHYtbhKfMwduKWQRKnR0medfxdmQQgk FItST3bwhVHz4LK/wnY= ) b8bnlbgmt21vv2sbhomkmaf41ab0v5nk.cn. 21600 IN NSEC3 ( 1 1 10 aef123ab b9hckgg7jk6sjv7uqkdhl7ffpm42nrdm NS DS RRSIG ) b8bnlbgmt21vv2sbhomkmaf41ab0v5nk.cn. 21600 IN RRSIG ( NSEC3 8 2 21600 20260211140533 20260112140503 38388 cn. IJOFC2W2yPv4WuVxZSzm2RiF+Y8pX8gUIqLQD8R3IqAXmtCeV9tlaIZv1++9rlbdRdqhbiNdvSuG UFk65KyU/kGgrdO6seHnjVXinMrAjoV8LhanbYC0tDI8sMxiOk6HOY/NYhR/oQNof/DwC6l6ris/ BgRKC9TYKyXuDpHN7RM= ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to d.dns.cn for sina.cn/DNSKEY
	Received 651 bytes from 203.119.28.1
	;; Response received from [203.119.28.1] 651 octets ;; HEADER SECTION ;; id = 49719 ;; 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 = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; sina.cn. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (6 records) sina.cn. 86400 IN NS ns2.sina.com.cn. sina.cn. 86400 IN NS ns3.sina.com.cn. 3qdaqa092ee5belp64a74ebnb8j53d7e.cn. 21600 IN NSEC3 ( 1 1 10 aef123ab 3qm14fq32f1cjftp8d3j5bctnp5bielo NS SOA RRSIG DNSKEY NSEC3PARAM ) 3qdaqa092ee5belp64a74ebnb8j53d7e.cn. 21600 IN RRSIG ( NSEC3 8 2 21600 20260210130129 20260111122632 38388 cn. ou6rcTBn/2yvk2Ky7Oor1RUwXGGtgrPLa7yug+SCVBGsvLHRrFVh9YOpqLakARImifBIJQokbAkR A9Arv/1lXG/sUcg+LRh9Zk5cRD6a7Pk0HmapJBd+zhUcWEHYtbhKfMwduKWQRKnR0medfxdmQQgk FItST3bwhVHz4LK/wnY= ) b8bnlbgmt21vv2sbhomkmaf41ab0v5nk.cn. 21600 IN NSEC3 ( 1 1 10 aef123ab b9hckgg7jk6sjv7uqkdhl7ffpm42nrdm NS DS RRSIG ) b8bnlbgmt21vv2sbhomkmaf41ab0v5nk.cn. 21600 IN RRSIG ( NSEC3 8 2 21600 20260211140533 20260112140503 38388 cn. IJOFC2W2yPv4WuVxZSzm2RiF+Y8pX8gUIqLQD8R3IqAXmtCeV9tlaIZv1++9rlbdRdqhbiNdvSuG UFk65KyU/kGgrdO6seHnjVXinMrAjoV8LhanbYC0tDI8sMxiOk6HOY/NYhR/oQNof/DwC6l6ris/ BgRKC9TYKyXuDpHN7RM= ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Found child zone sina.cn

sina.cn

	Checking DS between cn and sina.cn
	Query to e.dns.cn for sina.cn/DS
	Received 812 bytes from 203.119.29.1
	;; Response received from [203.119.29.1] 812 octets ;; HEADER SECTION ;; id = 29667 ;; 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 = 0 ;; nscount = 6 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 4096, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; sina.cn. IN DS ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (6 records) cn. 21600 IN SOA ( a.dns.cn. root.cnnic.cn. 2034355830 ;serial 7200 ;refresh 3600 ;retry 2419200 ;expire 21600 ;minimum ) cn. 21600 IN RRSIG ( SOA 8 1 86400 20260215053338 20260116043338 38388 cn. dkP30h9sLr3PCsqP6y+yIsshZZCleh5HuesGNbxabOyqUDsCBOeN3NN5jUQJp8YL7F0WubCZAxCf QfVyu6CMAYdv3mklvSBjv9Rrrgyeo/voDnqeqwMrrzvWSl/dYjbveuByOMKWRVCR+g/zA8mLdZ1L ZzhlmBrW3p+I0IuFQlw= ) 3qdaqa092ee5belp64a74ebnb8j53d7e.cn. 21600 IN NSEC3 ( 1 1 10 aef123ab 3qm14fq32f1cjftp8d3j5bctnp5bielo NS SOA RRSIG DNSKEY NSEC3PARAM ) 3qdaqa092ee5belp64a74ebnb8j53d7e.cn. 21600 IN RRSIG ( NSEC3 8 2 21600 20260210130129 20260111122632 38388 cn. ou6rcTBn/2yvk2Ky7Oor1RUwXGGtgrPLa7yug+SCVBGsvLHRrFVh9YOpqLakARImifBIJQokbAkR A9Arv/1lXG/sUcg+LRh9Zk5cRD6a7Pk0HmapJBd+zhUcWEHYtbhKfMwduKWQRKnR0medfxdmQQgk FItST3bwhVHz4LK/wnY= ) b8bnlbgmt21vv2sbhomkmaf41ab0v5nk.cn. 21600 IN NSEC3 ( 1 1 10 aef123ab b9hckgg7jk6sjv7uqkdhl7ffpm42nrdm NS DS RRSIG ) b8bnlbgmt21vv2sbhomkmaf41ab0v5nk.cn. 21600 IN RRSIG ( NSEC3 8 2 21600 20260211140533 20260112140503 38388 cn. IJOFC2W2yPv4WuVxZSzm2RiF+Y8pX8gUIqLQD8R3IqAXmtCeV9tlaIZv1++9rlbdRdqhbiNdvSuG UFk65KyU/kGgrdO6seHnjVXinMrAjoV8LhanbYC0tDI8sMxiOk6HOY/NYhR/oQNof/DwC6l6ris/ BgRKC9TYKyXuDpHN7RM= ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	No DS records found for sina.cn in the cn zone
	Query to ns3.sina.com.cn for sina.cn/DNSKEY
	Received 98 bytes from 123.125.29.99
	;; Response received from [123.125.29.99] 98 octets ;; HEADER SECTION ;; id = 64515 ;; 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 = 0 ;; nscount = 1 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; sina.cn. IN DNSKEY ;; ANSWER SECTION (0 records) ;; AUTHORITY SECTION (1 record) sina.cn. 600 IN SOA ( ns1.sina.com.cn. zhihao.staff.sina.com.cn. 1 ;serial 1800 ;refresh 600 ;retry 604800 ;expire 600 ;minimum ) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	No DNSKEY records found
	Query to ns3.sina.com.cn for sina.cn/A
	Received 52 bytes from 123.125.29.99
	;; Response received from [123.125.29.99] 52 octets ;; HEADER SECTION ;; id = 39503 ;; 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 = 1 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; sina.cn. IN A ;; ANSWER SECTION (1 record) sina.cn. 60 IN A 36.51.254.90 ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	ns3.sina.com.cn is authoritative for sina.cn
	Query to ns2.sina.com.cn for sina.cn/SOA
	Received 98 bytes from 180.149.138.199
	;; Response received from [180.149.138.199] 98 octets ;; HEADER SECTION ;; id = 11047 ;; 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 = 1 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; sina.cn. IN SOA ;; ANSWER SECTION (1 record) sina.cn. 600 IN SOA ( ns1.sina.com.cn. zhihao.staff.sina.com.cn. 1 ;serial 1800 ;refresh 600 ;retry 604800 ;expire 600 ;minimum ) ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	Query to ns3.sina.com.cn for sina.cn/A
	Received 52 bytes from 123.125.29.99
	;; Response received from [123.125.29.99] 52 octets ;; HEADER SECTION ;; id = 43464 ;; 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 = 1 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; sina.cn. IN A ;; ANSWER SECTION (1 record) sina.cn. 60 IN A 36.51.254.90 ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	sina.cn A RR has value 36.51.254.90
	No RRSIGs found

sina.cn

	Query to ns2.sina.com.cn for sina.cn/A
	Received 52 bytes from 180.149.138.199
	;; Response received from [180.149.138.199] 52 octets ;; HEADER SECTION ;; id = 49823 ;; 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 = 1 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; sina.cn. IN A ;; ANSWER SECTION (1 record) sina.cn. 60 IN A 36.51.254.90 ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	ns2.sina.com.cn is authoritative for sina.cn
	Query to ns2.sina.com.cn for sina.cn/A
	Received 52 bytes from 180.149.138.199
	;; Response received from [180.149.138.199] 52 octets ;; HEADER SECTION ;; id = 56512 ;; 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 = 1 ;; nscount = 0 arcount = 1 ;; { "EDNS-VERSION": 0, ;; "FLAGS": "8000", ;; "RCODE": 0, ;; "UDPSIZE": 1232, ;; "OPTIONS": [ ] ;; } ;; QUESTION SECTION (1 record) ;; sina.cn. IN A ;; ANSWER SECTION (1 record) sina.cn. 60 IN A 36.51.254.90 ;; AUTHORITY SECTION (0 records) ;; ADDITIONAL SECTION (1 record) ;; { "EDNS-VERSION": 0 }
	sina.cn A RR has value 36.51.254.90
	No RRSIGs found

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