
| Name | TTL | Type | Data | Status | Returned by | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| a.root-servers.net. (198.41.0.4) | a.root-servers.net. (2001:503:ba3e::2:30) | b.root-servers.net. (170.247.170.2) | b.root-servers.net. (2801:1b8:10::b) | c.root-servers.net. (192.33.4.12) | c.root-servers.net. (2001:500:2::c) | d.root-servers.net. (199.7.91.13) | d.root-servers.net. (2001:500:2d::d) | e.root-servers.net. (192.203.230.10) | e.root-servers.net. (2001:500:a8::e) | f.root-servers.net. (192.5.5.241) | f.root-servers.net. (2001:500:2f::f) | g.root-servers.net. (192.112.36.4) | g.root-servers.net. (2001:500:12::d0d) | h.root-servers.net. (198.97.190.53) | h.root-servers.net. (2001:500:1::53) | i.root-servers.net. (192.36.148.17) | i.root-servers.net. (2001:7fe::53) | j.root-servers.net. (192.58.128.30) | j.root-servers.net. (2001:503:c27::2:30) | k.root-servers.net. (193.0.14.129) | k.root-servers.net. (2001:7fd::1) | l.root-servers.net. (199.7.83.42) | l.root-servers.net. (2001:500:9f::42) | m.root-servers.net. (2001:dc3::35) | m.root-servers.net. (202.12.27.33) | |||||
| cn | 86400 | DS |
57724 8 2 5d0423633eb24a499be78aa22d1c0c9ba36218ff49fd95a4cdf1a4ad97c67044 | OK | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y |
| 86400 | RRSIG | DS 8 1 86400 20250519200000 20250506190000 53148 . c6jYtksgqiHYxtpysXzE1aTKdvxU7MYS RjXWq/Jf04pNSrbhJesJ0f8CtlxRGKtG oqF2ep2eEDma0dqR7UGLNLejIi4yjmsE OoHz068wm74x0VtHbyJ9z47xBQKH++jZ j4Pcy2qjn7Vb9CV1qodCoKGc9m5uKQJ/ MguFWSiD7khcosvHzLFURjHZBGcKqRCK 8haDsDy3dVy7PriRNhQPQdkanWNR9GWG i3wJPJnl+7qoLQvTF0jRU9ufRla/NkA4 JJVuF3XhfGruEoKT8G4o/iAgFK6SJKWA l/+6xYVvcGaqfmgLkFo6xf9jPxIWX3ac PwmBWdRRAWGYZyNJZlUg2A== | VALID | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | |
| RR count (Answer/Authority/Additional) | OK | 2/0/1 | 2/0/1 | 2/0/1 | 2/0/1 | 2/0/1 | 2/0/1 | 2/0/1 | 2/0/1 | 2/0/1 | 2/0/1 | 2/0/1 | 2/0/1 | 2/0/1 | 2/0/1 | 2/0/1 | 2/0/1 | 2/0/1 | 2/0/1 | 2/0/1 | 2/0/1 | 2/0/1 | 2/0/1 | 2/0/1 | 2/0/1 | 2/0/1 | 2/0/1 | |||
| Response size (bytes) | OK | 384 | 384 | 376 | 376 | 422 | 422 | 396 | 396 | 366 | 383 | 422 | 422 | 410 | 410 | 396 | 396 | 404 | 404 | 366 | 366 | 391 | 391 | 379 | 379 | 377 | 377 | |||
| Response time (ms) | OK | 8 | 8 | 73 | 75 | 14 | 21 | 6 | 9 | 9 | 10 | 12 | 12 | 74 | 73 | 30 | 30 | 7 | 13 | 10 | 9 | 77 | 76 | 75 | 74 | 10 | 6 | |||
| Name | TTL | Type | Data | Status | Returned by | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| a.dns.cn. (2001:dc7::1) | a.dns.cn. (203.119.25.1) | b.dns.cn. (203.119.26.1) | b.dns.cn. (2001:dc7:1::1) | c.dns.cn. (2001:dc7:2::1) | c.dns.cn. (203.119.27.1) | d.dns.cn. (203.119.28.1) | d.dns.cn. (2001:dc7:1000::1) | e.dns.cn. (203.119.29.1) | e.dns.cn. (2001:dc7:3::1) | ns.cernet.net. (103.137.60.44) | ns.cernet.net. (202.112.0.44) | ns.cernet.net. (2001:250:c006::44) | ns.cernet.net. (2001:dd9::44) | |||||
| cn | 86400 | DNSKEY |
256 3 8 AwEAAaxMabJOjpV+ccAKgWjP1UBfVBN+ VCFu92scQydffI3tNiFJ35GHGV8ktSQn 72LYgMHUlibAX10D5a8BR2+6RSA6pUNI MnUuLwMAa03avcbvQcX8eG+C3Ys3VBi6 sYMw7hXlxhZHMq9GPtsXtOjZfm9DAe7r z7T1pO5M0YniheXR ; key tag = 38388
257 3 8 AwEAAd4vztGWGI+qShKPs9MaXFqZIDgc noUh59OnUHOi7w67q5oMXynRF2W1nyfg 9RPV7ZY7oR2IaDm3/avBMUYokFLsyE8N avUfZORhoN0hnC6dRiv8VrYDCjj5VSh7 kwk157mm3BxLn1XTs9Jys44bJ17fNxNj S4AGdUa94pOdGPTycSeJ76dUtWp8jz9f fborCWvsXtp3AsEJs7eFAmOJIqllE3gl 4w2GmEKaq+AdYG7j1T5uWVg+sIZ1GCof i/+1ml6U588bqKzUSkjA4Gn+ZoLToviP SYAIC2/KeEYt1RYzUc3H72ScM+Kv2o+Z tC2YRSmrnVGqcSTriysYdlzmU7c= ; key tag = 57724 | OK | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y |
| 86400 | RRSIG | DNSKEY 8 1 86400 20250516232553 20250416232541 38388 cn. i+22dJ+HQba1TE0VWqvsgoRQFUAhA13u lpwakBdoYq4Syp6/TQPcd5kuA60s7909 zCYP+oMgWP9f0wBHzjMbOJHIgecyGsjy dO8xFAhwc8rMRB9Pmviuz49IOm+fWGuv kT6FDcpahf3fbNyk4mYwRtNqy6DlGKzv 2vhwHidrH+8= | VALID | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | |
| 86400 | RRSIG | DNSKEY 8 1 86400 20250516232553 20250416232541 57724 cn. LV+6D9aMsj+a58KVk93JErOFzu8Sfcv1 auRfvY3JdImE6kdykoMqHtW+i20s2nwA OMuGKmPlKsiCFp7+T6q46gixVTI3PzDp n16JzAcJ9aIRWTdySluo4M9YqTcy/HvJ WI4EBLUFi/CSB9VeG41xIVSyZtHArMlg E7vSe6rzaeKadewFHRYdjVxuQsZrb9Ue EisFc9Z6A2u1ZE06lve/SosqHbo7WmDk 8Inw8aJFGJ9OzwsHbnbE2xxJuTckI+O1 N/r95Ed3chz5no7hRCT43ncUOWx/RToF zto88o/lQLf/neM/B2rTiat6YzLTwmrf oxley9LfvFRB4W8VXYGXtw== | VALID | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | |
| RR count (Answer/Authority/Additional) | OK | 4/0/1 | 4/0/1 | 4/0/1 | 4/0/1 | 4/0/1 | 4/0/1 | 4/0/1 | 4/0/1 | 4/0/1 | 4/0/1 | 4/0/1 | 4/0/1 | 4/0/1 | 4/0/1 | |||
| Response size (bytes) | OK | 907 | 907 | 907 | 907 | 907 | 907 | 907 | 907 | 907 | 907 | 935 | 935 | 935 | 935 | |||
| Response time (ms) | OK | 88 | 252 | 96 | 190 | 190 | 106 | 182 | 96 | 254 | 190 | 252 | 210 | 251 | 253 | |||
| Name | TTL | Type | Data | Status | Returned by | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| a.dns.cn. (2001:dc7::1) | a.dns.cn. (203.119.25.1) | b.dns.cn. (203.119.26.1) | b.dns.cn. (2001:dc7:1::1) | c.dns.cn. (2001:dc7:2::1) | c.dns.cn. (203.119.27.1) | d.dns.cn. (203.119.28.1) | d.dns.cn. (2001:dc7:1000::1) | e.dns.cn. (203.119.29.1) | e.dns.cn. (2001:dc7:3::1) | ns.cernet.net. (103.137.60.44) | ns.cernet.net. (202.112.0.44) | ns.cernet.net. (2001:250:c006::44) | ns.cernet.net. (2001:dd9::44) | |||||
| cn | 86400 | NS |
a.dns.cn.
b.dns.cn.
c.dns.cn.
d.dns.cn.
e.dns.cn.
ns.cernet.net. | OK | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y |
| 86400 | RRSIG | NS 8 1 86400 20250517001024 20250416232723 38388 cn. nrVNtQOxqWx8FhZ7J0VaM5sswNrO+qS7 Uz3Eh17lxS4oX48MjCwhs2mFHJ0J6sYi G0OTuuBSKwHG0JSXdmuvFKD9qLcK6OWq u1247boaJgzUky7cJFhIZ9adOx6kho0M 821SY3GYYIRAcmQnE/wJekTRz1W+ReiQ Lz+PhrK9S/k= | VALID | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | |
| RR count (Answer/Authority/Additional) | OK | 7/0/1 | 7/0/1 | 7/0/1 | 7/0/1 | 7/0/1 | 7/0/1 | 7/0/1 | 7/0/1 | 7/0/1 | 7/0/1 | 7/0/1 | 7/0/1 | 7/0/1 | 7/0/1 | |||
| Response size (bytes) | OK | 330 | 330 | 330 | 330 | 330 | 330 | 330 | 330 | 330 | 330 | 334 | 334 | 334 | 334 | |||
| Response time (ms) | OK | 48 | 170 | 48 | 148 | 146 | 63 | 144 | 45 | 173 | 147 | 192 | 166 | 181 | 183 | |||
| Name | TTL | Type | Data | Status | Returned by | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| a.dns.cn. (2001:dc7::1) | a.dns.cn. (203.119.25.1) | b.dns.cn. (203.119.26.1) | b.dns.cn. (2001:dc7:1::1) | c.dns.cn. (2001:dc7:2::1) | c.dns.cn. (203.119.27.1) | d.dns.cn. (203.119.28.1) | d.dns.cn. (2001:dc7:1000::1) | e.dns.cn. (203.119.29.1) | e.dns.cn. (2001:dc7:3::1) | ns.cernet.net. (103.137.60.44) | ns.cernet.net. (202.112.0.44) | ns.cernet.net. (2001:250:c006::44) | ns.cernet.net. (2001:dd9::44) | |||||
| RR count (Answer/Authority/Additional) | OK | 0/4/1 | 0/4/1 | 0/4/1 | 0/4/1 | 0/4/1 | 0/4/1 | 0/4/1 | 0/4/1 | 0/4/1 | 0/4/1 | 0/4/1 | 0/4/1 | 0/4/1 | 0/4/1 | |||
| Response size (bytes) | OK | 529 | 529 | 529 | 529 | 529 | 529 | 529 | 529 | 529 | 529 | 524 | 524 | 524 | 524 | |||
| Response time (ms) | OK | 96 | 254 | 97 | 190 | 190 | 105 | 182 | 97 | 258 | 190 | 298 | 211 | 255 | 257 | |||
| Name | TTL | Type | Data | Status | Returned by | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| a.dns.cn. (2001:dc7::1) | a.dns.cn. (203.119.25.1) | b.dns.cn. (203.119.26.1) | b.dns.cn. (2001:dc7:1::1) | c.dns.cn. (2001:dc7:2::1) | c.dns.cn. (203.119.27.1) | d.dns.cn. (203.119.28.1) | d.dns.cn. (2001:dc7:1000::1) | e.dns.cn. (203.119.29.1) | e.dns.cn. (2001:dc7:3::1) | ns.cernet.net. (103.137.60.44) | ns.cernet.net. (202.112.0.44) | ns.cernet.net. (2001:250:c006::44) | ns.cernet.net. (2001:dd9::44) | |||||
| cn | 86400 | NS |
a.dns.cn.
b.dns.cn.
c.dns.cn.
d.dns.cn.
e.dns.cn.
ns.cernet.net. | OK | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y |
| 86400 | RRSIG | NS 8 1 86400 20250517001024 20250416232723 38388 cn. nrVNtQOxqWx8FhZ7J0VaM5sswNrO+qS7 Uz3Eh17lxS4oX48MjCwhs2mFHJ0J6sYi G0OTuuBSKwHG0JSXdmuvFKD9qLcK6OWq u1247boaJgzUky7cJFhIZ9adOx6kho0M 821SY3GYYIRAcmQnE/wJekTRz1W+ReiQ Lz+PhrK9S/k= | VALID | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | |
| RR count (Answer/Authority/Additional) | OK | 7/0/1 | 7/0/1 | 7/0/1 | 7/0/1 | 7/0/1 | 7/0/1 | 7/0/1 | 7/0/1 | 7/0/1 | 7/0/1 | 7/0/1 | 7/0/1 | 7/0/1 | 7/0/1 | |||
| Response size (bytes) | OK | 330 | 330 | 330 | 330 | 330 | 330 | 330 | 330 | 330 | 330 | 334 | 334 | 334 | 334 | |||
| Response time (ms) | OK | 48 | 170 | 48 | 148 | 146 | 63 | 144 | 45 | 173 | 147 | 192 | 166 | 181 | 183 | |||
| Name | TTL | Type | Data | Status | Returned by | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| a.dns.cn. (2001:dc7::1) | a.dns.cn. (203.119.25.1) | b.dns.cn. (203.119.26.1) | b.dns.cn. (2001:dc7:1::1) | c.dns.cn. (2001:dc7:2::1) | c.dns.cn. (203.119.27.1) | d.dns.cn. (203.119.28.1) | d.dns.cn. (2001:dc7:1000::1) | e.dns.cn. (203.119.29.1) | e.dns.cn. (2001:dc7:3::1) | ns.cernet.net. (103.137.60.44) | ns.cernet.net. (202.112.0.44) | ns.cernet.net. (2001:250:c006::44) | ns.cernet.net. (2001:dd9::44) | |||||
| RR count (Answer/Authority/Additional) | OK | 0/4/1 | 0/4/1 | 0/4/1 | 0/4/1 | 0/4/1 | 0/4/1 | 0/4/1 | 0/4/1 | 0/4/1 | 0/4/1 | 0/4/1 | 0/4/1 | 0/4/1 | 0/4/1 | |||
| Response size (bytes) | OK | 529 | 529 | 529 | 529 | 529 | 529 | 529 | 529 | 529 | 529 | 524 | 524 | 524 | 524 | |||
| Response time (ms) | OK | 84 | 241 | 97 | 189 | 189 | 107 | 183 | 86 | 242 | 190 | 239 | 207 | 238 | 242 | |||
| Name | TTL | Type | Data | Status | Returned by | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| a.dns.cn. (2001:dc7::1) | a.dns.cn. (203.119.25.1) | b.dns.cn. (203.119.26.1) | b.dns.cn. (2001:dc7:1::1) | c.dns.cn. (2001:dc7:2::1) | c.dns.cn. (203.119.27.1) | d.dns.cn. (203.119.28.1) | d.dns.cn. (2001:dc7:1000::1) | e.dns.cn. (203.119.29.1) | e.dns.cn. (2001:dc7:3::1) | ns.cernet.net. (103.137.60.44) | ns.cernet.net. (202.112.0.44) | ns.cernet.net. (2001:250:c006::44) | ns.cernet.net. (2001:dd9::44) | |||||
| RR count (Answer/Authority/Additional) | OK | 0/8/1 | 0/8/1 | 0/8/1 | 0/8/1 | 0/8/1 | 0/8/1 | 0/8/1 | 0/8/1 | 0/8/1 | 0/8/1 | 0/8/1 | 0/8/1 | 0/8/1 | 0/8/1 | |||
| Response size (bytes) | OK | 1097 | 1097 | 1097 | 1097 | 1097 | 1097 | 1097 | 1097 | 1097 | 1097 | 1028 | 1028 | 1028 | 1028 | |||
| Response time (ms) | OK | 87 | 300 | 97 | 190 | 189 | 106 | 182 | 96 | 251 | 190 | 246 | 208 | 244 | 249 | |||
| Name | TTL | Type | Data | Status | Returned by | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| a.dns.cn. (2001:dc7::1) | a.dns.cn. (203.119.25.1) | b.dns.cn. (203.119.26.1) | b.dns.cn. (2001:dc7:1::1) | c.dns.cn. (2001:dc7:2::1) | c.dns.cn. (203.119.27.1) | d.dns.cn. (203.119.28.1) | d.dns.cn. (2001:dc7:1000::1) | e.dns.cn. (203.119.29.1) | e.dns.cn. (2001:dc7:3::1) | ns.cernet.net. (103.137.60.44) | ns.cernet.net. (202.112.0.44) | ns.cernet.net. (2001:250:c006::44) | ns.cernet.net. (2001:dd9::44) | |||||
| RR count (Answer/Authority/Additional) | OK | 0/4/1 | 0/4/1 | 0/4/1 | 0/4/1 | 0/4/1 | 0/4/1 | 0/4/1 | 0/4/1 | 0/4/1 | 0/4/1 | 0/4/1 | 0/4/1 | 0/4/1 | 0/4/1 | |||
| Response size (bytes) | OK | 529 | 529 | 529 | 529 | 529 | 529 | 529 | 529 | 529 | 529 | 524 | 524 | 524 | 524 | |||
| Response time (ms) | OK | 60 | 187 | 69 | 162 | 161 | 76 | 154 | 70 | 244 | 162 | 243 | 187 | 241 | 244 | |||
| Name | TTL | Type | Data | Status | Returned by | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| a.dns.cn. (2001:dc7::1) | a.dns.cn. (203.119.25.1) | b.dns.cn. (203.119.26.1) | b.dns.cn. (2001:dc7:1::1) | c.dns.cn. (2001:dc7:2::1) | c.dns.cn. (203.119.27.1) | d.dns.cn. (203.119.28.1) | d.dns.cn. (2001:dc7:1000::1) | e.dns.cn. (203.119.29.1) | e.dns.cn. (2001:dc7:3::1) | ns.cernet.net. (103.137.60.44) | ns.cernet.net. (202.112.0.44) | ns.cernet.net. (2001:250:c006::44) | ns.cernet.net. (2001:dd9::44) | |||||
| cn | 0 | NSEC3PARAM |
1 0 10 aef123ab | OK | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y |
| 0 | RRSIG | NSEC3PARAM 8 1 0 20250516235128 20250416232539 38388 cn. hsRGXz0bn2vpEHbZHdUuanXWZauSYAfu G87ADhiOcXlDWsf181Y9yTj8cWfZ5PHb RIxMWuApPkLKapZ2DVMoaJ3ZxH2QaKL/ o+wW58mQEEBQEPo/SoIKmKpnCXY4svfn cpFP/NdUyoOae/yoaPaeD8Uu/r9y1fNW 66gnyckJo8E= | VALID | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | |
| RR count (Answer/Authority/Additional) | OK | 2/0/1 | 2/0/1 | 2/0/1 | 2/0/1 | 2/0/1 | 2/0/1 | 2/0/1 | 2/0/1 | 2/0/1 | 2/0/1 | 2/7/1 | 2/7/1 | 2/7/1 | 2/7/1 | |||
| Response size (bytes) | OK | 214 | 214 | 214 | 214 | 214 | 214 | 214 | 214 | 214 | 214 | 517 | 517 | 517 | 517 | |||
| Response time (ms) | OK | 134 | 279 | 131 | 238 | 233 | 154 | 229 | 131 | 279 | 234 | 347 | 252 | 277 | 279 | |||
| Name | TTL | Type | Data | Status | Returned by | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| a.dns.cn. (2001:dc7::1) | a.dns.cn. (203.119.25.1) | b.dns.cn. (203.119.26.1) | b.dns.cn. (2001:dc7:1::1) | c.dns.cn. (2001:dc7:2::1) | c.dns.cn. (203.119.27.1) | d.dns.cn. (203.119.28.1) | d.dns.cn. (2001:dc7:1000::1) | e.dns.cn. (203.119.29.1) | e.dns.cn. (2001:dc7:3::1) | ns.cernet.net. (103.137.60.44) | ns.cernet.net. (202.112.0.44) | ns.cernet.net. (2001:250:c006::44) | ns.cernet.net. (2001:dd9::44) | |||||
| cn | 86400 | SOA |
a.dns.cn. root.cnnic.cn. 2033382247 7200 3600 2419200 21600 | OK | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y |
| 86400 | RRSIG | SOA 8 1 86400 20250606023126 20250507013126 38388 cn. e/hKsSkbLZzL0zDSCvlTYQlE6/E4SY2l QPUOgzLCBjyM4FNVAxG8ZKgq6a5NfZnd VMCemIrTbMdY/raQ3PBff9I+krpIcPUY xInOyPD3Cx9r8y1N5fGkuXzEEGGYEh6p zrjcR6qGhh5DvAqmhl4TBTkdWxGV3Zim wWJ1PfZtzSY= | VALID | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | |
| RR count (Answer/Authority/Additional) | OK | 2/0/1 | 2/0/1 | 2/0/1 | 2/0/1 | 2/0/1 | 2/0/1 | 2/0/1 | 2/0/1 | 2/0/1 | 2/0/1 | 2/7/1 | 2/7/1 | 2/7/1 | 2/7/1 | |||
| Response size (bytes) | OK | 250 | 250 | 250 | 250 | 250 | 250 | 250 | 250 | 250 | 250 | 547 | 547 | 547 | 547 | |||
| Response time (ms) | OK | 68 | 248 | 57 | 161 | 160 | 74 | 152 | 68 | 252 | 161 | 245 | 185 | 244 | 249 | |||