
| 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) | |||||
| edu.cn | 86400 | DS |
15397 8 1 ca602972d554df57cc8322c18d9cf942fac47430
15397 8 2 3a6c89d32b3143d193521ce64389548821da90f770ab09ecd9c8680b2f4848b5 | OK | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y |
| 86400 | RRSIG | DS 8 2 86400 20250516234544 20250416232554 38388 cn. DgSNsqeW8XOU1bc2to5niry3LuDCcuZ4 91kpY4+isj32hY+a5CWN5d1iOEJVu4d3 NYf/iHbUi+Bu7kuggq2gMiNMKV9qJr9z 1+PF7rZPSWd/CUWHO7h2ljhAMSfQpzTP L3wTGMytUQOb0gjQdQw/NVrxK3jRthnq 42NXoLt/3qU= | VALID | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | |
| RR count (Answer/Authority/Additional) | OK | 3/0/1 | 3/0/1 | 3/0/1 | 3/0/1 | 3/0/1 | 3/0/1 | 3/0/1 | 3/0/1 | 3/0/1 | 3/0/1 | 3/0/1 | 3/0/1 | 3/0/1 | 3/0/1 | |||
| Response size (bytes) | OK | 281 | 281 | 281 | 281 | 281 | 281 | 281 | 281 | 281 | 281 | 309 | 309 | 309 | 309 | |||
| Response time (ms) | OK | 95 | 381 | 99 | 230 | 230 | 113 | 204 | 97 | 382 | 230 | 380 | 381 | 379 | 382 | |||
| Name | TTL | Type | Data | Status | Returned by | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| dns.edu.cn. (202.38.109.35) | dns.edu.cn. (2001:250:c006::35) | dns2.edu.cn. (202.112.0.13) | dns2.edu.cn. (2001:da8:1:100::13) | dns3.edu.cn. (101.4.62.35) | dns3.edu.cn. (2001:250:62::35) | ns2.cernet.net. (103.137.60.203) | ns2.cernet.net. (2001:dd9::203) | ns4.cernet.net. (101.4.62.203) | ns4.cernet.net. (193.174.75.78) | ns4.cernet.net. (2001:250:62::203) | ns4.cernet.net. (2001:638:d:b104::2) | ns5.cernet.net. (137.189.6.21) | ns5.cernet.net. (166.111.8.30) | ns5.cernet.net. (2402:f000:1:801::8:30) | ns5.cernet.net. (2405:3000:3:6::15) | |||||
| edu.cn | 7200 | DNSKEY |
256 3 8 AwEAAaw7Q5FklMT+Frgic5QeFqv3th/6 uHtVRRhQafiqrk1/NdgE23XLGCf+toVf WgZ6tukiIBoM3Fup9CTGtXpZBrhzN2RA JIoYxMX5VLRnlHT7s5Lvcv3sXhXsgtv0 UP/1Y7Ql5q0E4dJamlcFHhBwSgU6WwdQ YouWL8NzKVLuCy9gcislS2HcbUDwC6oW w0cauJq36fRbZuC7ElBQKC0QM1i0qqKh u/t+yFWOmzZiFhqVYo/AxOOVsy+BHan1 qPn61QlYxyLszINlPFOxiDCUKJUqC2DS BUcDoznMNunU9eUkLSd/nnPmtcVKFw/g QEXowpM8/J3Md8OG3sPxUD/Itek= ; key tag = 44583
257 3 8 AwEAAdkXpELr8ax9Gu8CRfA7Iux8G32u sl8Lgs917ZELiWaoZgufgNALQHLSffJP bnZ/Qg6BPKB0RkhnUNX6066yLo3evWQB 6keio+JW/CHXF2orSgt1T+zDUqSKeE5M c4uPeq+nFmpP6SFbSz82IMlEYylbfvxB j16TqP5uNPAKN8MCm2gFNRjTx8/e8BZQ 93OwrfyBTJWkBWsaUUIUwhLqKtJuEovJ ZnvaNctOcKpJRk1FM0/swxVt1b4I7iLU JKBMSEIGeZvw72SnvqicqVOOLoE8NWTR zJMWs8RrrJp9OFy28O6fnwCR57cDpQQl HdvpIBsxiHPKGfcqRoX6gDqf7qs= ; key tag = 15397 | OK | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y |
| 7200 | RRSIG | DNSKEY 8 2 7200 20250508200350 20250424192040 15397 edu.cn. NT+3JY+7kXpCRss2i0yI1nYHKi1uMxEk KRTeyuNLhClKLGWufGOiDAYRKPrsliHw xyY5yRh13E4gl1uoikrkOXAN0eKBqS4T LhqYEMTPOy2xkTlZwgPf22bEbvLy2sSD 10EqHuixlabZrg2in6Rg+tIg9qJXuDx1 0YxXlqYX2zmv0ELHKwEqSf96qyyAFBrt 9g/Me8cUvax0wBQKB8mW+G5riaUzwb+A F8wHX45CdeqPoexLtnTxFjgf8ZJFhFO8 75MeK0z3vjJ/yaZ6OxwY5jgwkCbijlF5 lIP9wTL2HgglPlio/Prtp9HPaokDkscp g8fusvpGxTv3c14NTF6ayg== | VALID | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | |
| RR count (Answer/Authority/Additional) | OK | 3/0/1 | 3/0/1 | 3/0/1 | 3/0/1 | 3/0/1 | 3/0/1 | 3/0/1 | 3/0/1 | 3/0/1 | 3/0/1 | 3/0/1 | 3/0/1 | 3/0/1 | 3/0/1 | 3/0/1 | 3/0/1 | |||
| Response size (bytes) | OK | 909 | 909 | 909 | 909 | 909 | 909 | 909 | 909 | 909 | 909 | 909 | 909 | 909 | 909 | 909 | 909 | |||
| Response time (ms) | OK | 459 | 462 | 466 | 461 | 468 | 463 | 465 | 466 | 462 | 245 | 465 | 199 | 244 | 459 | 464 | 245 | |||
| Name | TTL | Type | Data | Status | Returned by | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| dns.edu.cn. (202.38.109.35) | dns.edu.cn. (2001:250:c006::35) | dns2.edu.cn. (202.112.0.13) | dns2.edu.cn. (2001:da8:1:100::13) | dns3.edu.cn. (101.4.62.35) | dns3.edu.cn. (2001:250:62::35) | ns2.cernet.net. (103.137.60.203) | ns2.cernet.net. (2001:dd9::203) | ns4.cernet.net. (101.4.62.203) | ns4.cernet.net. (193.174.75.78) | ns4.cernet.net. (2001:250:62::203) | ns4.cernet.net. (2001:638:d:b104::2) | ns5.cernet.net. (137.189.6.21) | ns5.cernet.net. (166.111.8.30) | ns5.cernet.net. (2402:f000:1:801::8:30) | ns5.cernet.net. (2405:3000:3:6::15) | |||||
| edu.cn | 172800 | NS |
dns.edu.cn.
ns2.cernet.net.
ns4.cernet.net.
ns5.cernet.net.
dns2.edu.cn.
dns3.edu.cn. | OK | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y |
| 172800 | RRSIG | NS 8 2 172800 20250502091106 20250418081925 44583 edu.cn. fQPwv8NFOxSOg6XDMP9AjkUN9N99f0kW pbad4xdWNw2JjCyRUbdONza9abRUiJCI s3+bXsvtmtAMq4aNXdjMtDf55OKouB+U Jov/NHR6CdoBHel9r16RPxQO6pY/Bbvr hL9STYCxWDgVyub6A+AAbDajtVp8YsDz Q3l7eoOwLjQqfz5mB7N6fa6Je26dzArK uNvwEvteiAOEfc81O3k9Srz86amg8PPr RyjM4+a5KerN8mau4HzcGPFxuPxEkgf3 uN3x92wGs8H4QnPpxNn31BBJuStxBF+F wdNNjIk+B2F7ZSkcJOmxD51LbX1ssFj/ y/Kd9tL+exWdKxvl1cgRbw== | VALID | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | |
| RR count (Answer/Authority/Additional) | OK | 7/0/13 | 7/0/13 | 7/0/9 | 7/0/18 | 7/0/9 | 7/0/9 | 7/0/9 | 7/0/9 | 7/0/9 | 7/0/9 | 7/0/9 | 7/0/9 | 7/0/9 | 7/0/9 | 7/0/9 | 7/0/9 | |||
| Response size (bytes) | OK | 2373 | 2373 | 1197 | 1123 | 1197 | 1197 | 1197 | 1197 | 1197 | 1197 | 1197 | 1197 | 1197 | 1197 | 1197 | 1197 | |||
| Response time (ms) | OK | 187 | 197 | 168 | 190 | 213 | 204 | 213 | 180 | 210 | 149 | 183 | 145 | 149 | 187 | 207 | 155 | |||
| Name | TTL | Type | Data | Status | Returned by | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| dns.edu.cn. (202.38.109.35) | dns.edu.cn. (2001:250:c006::35) | dns2.edu.cn. (202.112.0.13) | dns2.edu.cn. (2001:da8:1:100::13) | dns3.edu.cn. (101.4.62.35) | dns3.edu.cn. (2001:250:62::35) | ns2.cernet.net. (103.137.60.203) | ns2.cernet.net. (2001:dd9::203) | ns4.cernet.net. (101.4.62.203) | ns4.cernet.net. (193.174.75.78) | ns4.cernet.net. (2001:250:62::203) | ns4.cernet.net. (2001:638:d:b104::2) | ns5.cernet.net. (137.189.6.21) | ns5.cernet.net. (166.111.8.30) | ns5.cernet.net. (2402:f000:1:801::8:30) | ns5.cernet.net. (2405:3000:3:6::15) | |||||
| edu.cn | 0 | NSEC3PARAM |
1 0 0 - | OK | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y |
| 0 | RRSIG | NSEC3PARAM 8 2 0 20250508152604 20250424151418 44583 edu.cn. kBmnE5hXvbuNsXAlwkS7pSqmeuc1sLcZ pHqHMJDz1qxuk4PMCuFWtNkVRcKfHMFr avvdJpNa50dsO13WC7aIBwPaIiBcUgQg XkQ30o9CXZ+WvfzuOrNM//xWurLh4eBT T+rlX1/kf0IgIIdVuDplpQOxAQ7cAs9l Ze7bsMzp/EMYWfh1lfNU+QPFuvqz9AlE 3nYe2BjC2zYWiKCCcmfCelaGWvELD8Jf T9rkP0LUJODqw9Pka5r4Wv2hNjs7oaNF hAdSdubbqbS+Wf3pKLNmhbwIxSaDVKnP tXzHHvYgbsoIoblhLT1rH1fsc+2XG3ZS 2pBCSHgOttOvmrHxssmAsw== | VALID | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | |
| RR count (Answer/Authority/Additional) | OK | 2/7/13 | 2/0/1 | 2/7/8 | 2/7/17 | 2/7/8 | 2/7/8 | 2/7/8 | 2/7/8 | 2/7/8 | 2/7/8 | 2/7/8 | 2/7/8 | 2/7/8 | 2/7/8 | 2/7/8 | 2/7/8 | |||
| Response size (bytes) | OK | 2684 | 374 | 1214 | 1140 | 1214 | 1214 | 1214 | 1214 | 1214 | 1214 | 1214 | 1214 | 1214 | 1214 | 1214 | 1214 | |||
| Response time (ms) | OK | 325 | 341 | 346 | 329 | 349 | 335 | 340 | 346 | 332 | 314 | 340 | 309 | 221 | 322 | 337 | 223 | |||
| Name | TTL | Type | Data | Status | Returned by | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| dns.edu.cn. (202.38.109.35) | dns.edu.cn. (2001:250:c006::35) | dns2.edu.cn. (202.112.0.13) | dns2.edu.cn. (2001:da8:1:100::13) | dns3.edu.cn. (101.4.62.35) | dns3.edu.cn. (2001:250:62::35) | ns2.cernet.net. (103.137.60.203) | ns2.cernet.net. (2001:dd9::203) | ns4.cernet.net. (101.4.62.203) | ns4.cernet.net. (193.174.75.78) | ns4.cernet.net. (2001:250:62::203) | ns4.cernet.net. (2001:638:d:b104::2) | ns5.cernet.net. (137.189.6.21) | ns5.cernet.net. (166.111.8.30) | ns5.cernet.net. (2402:f000:1:801::8:30) | ns5.cernet.net. (2405:3000:3:6::15) | |||||
| 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 | 0/4/1 | 0/4/1 | |||
| Response size (bytes) | OK | 793 | 793 | 793 | 787 | 793 | 793 | 793 | 793 | 793 | 787 | 793 | 787 | 793 | 793 | 793 | 793 | |||
| Response time (ms) | OK | 431 | 433 | 439 | 432 | 441 | 434 | 437 | 439 | 434 | 237 | 438 | 204 | 235 | 430 | 436 | 240 | |||
| Name | TTL | Type | Data | Status | Returned by | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| dns.edu.cn. (202.38.109.35) | dns.edu.cn. (2001:250:c006::35) | dns2.edu.cn. (202.112.0.13) | dns2.edu.cn. (2001:da8:1:100::13) | dns3.edu.cn. (101.4.62.35) | dns3.edu.cn. (2001:250:62::35) | ns2.cernet.net. (103.137.60.203) | ns2.cernet.net. (2001:dd9::203) | ns4.cernet.net. (101.4.62.203) | ns4.cernet.net. (193.174.75.78) | ns4.cernet.net. (2001:250:62::203) | ns4.cernet.net. (2001:638:d:b104::2) | ns5.cernet.net. (137.189.6.21) | ns5.cernet.net. (166.111.8.30) | ns5.cernet.net. (2402:f000:1:801::8:30) | ns5.cernet.net. (2405:3000:3:6::15) | |||||
| 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 | 0/4/1 | 0/4/1 | |||
| Response size (bytes) | OK | 793 | 793 | 793 | 787 | 793 | 793 | 793 | 793 | 793 | 787 | 793 | 787 | 793 | 793 | 793 | 793 | |||
| Response time (ms) | OK | 356 | 357 | 366 | 357 | 366 | 360 | 362 | 364 | 359 | 226 | 363 | 204 | 225 | 352 | 361 | 226 | |||
| Name | TTL | Type | Data | Status | Returned by | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| dns.edu.cn. (202.38.109.35) | dns.edu.cn. (2001:250:c006::35) | dns2.edu.cn. (202.112.0.13) | dns2.edu.cn. (2001:da8:1:100::13) | dns3.edu.cn. (101.4.62.35) | dns3.edu.cn. (2001:250:62::35) | ns2.cernet.net. (103.137.60.203) | ns2.cernet.net. (2001:dd9::203) | ns4.cernet.net. (101.4.62.203) | ns4.cernet.net. (193.174.75.78) | ns4.cernet.net. (2001:250:62::203) | ns4.cernet.net. (2001:638:d:b104::2) | ns5.cernet.net. (137.189.6.21) | ns5.cernet.net. (166.111.8.30) | ns5.cernet.net. (2402:f000:1:801::8:30) | ns5.cernet.net. (2405:3000:3:6::15) | |||||
| 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 | 0/4/1 | 0/4/1 | |||
| Response size (bytes) | OK | 793 | 793 | 793 | 787 | 793 | 793 | 793 | 793 | 793 | 787 | 793 | 787 | 793 | 793 | 793 | 793 | |||
| Response time (ms) | OK | 417 | 420 | 428 | 419 | 428 | 422 | 425 | 427 | 421 | 233 | 425 | 204 | 233 | 414 | 422 | 233 | |||
| Name | TTL | Type | Data | Status | Returned by | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| dns.edu.cn. (202.38.109.35) | dns.edu.cn. (2001:250:c006::35) | dns2.edu.cn. (202.112.0.13) | dns2.edu.cn. (2001:da8:1:100::13) | dns3.edu.cn. (101.4.62.35) | dns3.edu.cn. (2001:250:62::35) | ns2.cernet.net. (103.137.60.203) | ns2.cernet.net. (2001:dd9::203) | ns4.cernet.net. (101.4.62.203) | ns4.cernet.net. (193.174.75.78) | ns4.cernet.net. (2001:250:62::203) | ns4.cernet.net. (2001:638:d:b104::2) | ns5.cernet.net. (137.189.6.21) | ns5.cernet.net. (166.111.8.30) | ns5.cernet.net. (2402:f000:1:801::8:30) | ns5.cernet.net. (2405:3000:3:6::15) | |||||
| edu.cn | 172800 | NS |
dns.edu.cn.
ns2.cernet.net.
ns4.cernet.net.
ns5.cernet.net.
dns2.edu.cn.
dns3.edu.cn. | OK | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y |
| 172800 | RRSIG | NS 8 2 172800 20250502091106 20250418081925 44583 edu.cn. fQPwv8NFOxSOg6XDMP9AjkUN9N99f0kW pbad4xdWNw2JjCyRUbdONza9abRUiJCI s3+bXsvtmtAMq4aNXdjMtDf55OKouB+U Jov/NHR6CdoBHel9r16RPxQO6pY/Bbvr hL9STYCxWDgVyub6A+AAbDajtVp8YsDz Q3l7eoOwLjQqfz5mB7N6fa6Je26dzArK uNvwEvteiAOEfc81O3k9Srz86amg8PPr RyjM4+a5KerN8mau4HzcGPFxuPxEkgf3 uN3x92wGs8H4QnPpxNn31BBJuStxBF+F wdNNjIk+B2F7ZSkcJOmxD51LbX1ssFj/ y/Kd9tL+exWdKxvl1cgRbw== | VALID | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | |
| RR count (Answer/Authority/Additional) | OK | 7/0/13 | 7/0/13 | 7/0/9 | 7/0/18 | 7/0/9 | 7/0/9 | 7/0/9 | 7/0/9 | 7/0/9 | 7/0/9 | 7/0/9 | 7/0/9 | 7/0/9 | 7/0/9 | 7/0/9 | 7/0/9 | |||
| Response size (bytes) | OK | 2373 | 2373 | 1197 | 1123 | 1197 | 1197 | 1197 | 1197 | 1197 | 1197 | 1197 | 1197 | 1197 | 1197 | 1197 | 1197 | |||
| Response time (ms) | OK | 187 | 197 | 168 | 190 | 213 | 204 | 213 | 180 | 210 | 149 | 183 | 145 | 149 | 187 | 207 | 155 | |||
| Name | TTL | Type | Data | Status | Returned by | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| dns.edu.cn. (202.38.109.35) | dns.edu.cn. (2001:250:c006::35) | dns2.edu.cn. (202.112.0.13) | dns2.edu.cn. (2001:da8:1:100::13) | dns3.edu.cn. (101.4.62.35) | dns3.edu.cn. (2001:250:62::35) | ns2.cernet.net. (103.137.60.203) | ns2.cernet.net. (2001:dd9::203) | ns4.cernet.net. (101.4.62.203) | ns4.cernet.net. (193.174.75.78) | ns4.cernet.net. (2001:250:62::203) | ns4.cernet.net. (2001:638:d:b104::2) | ns5.cernet.net. (137.189.6.21) | ns5.cernet.net. (166.111.8.30) | ns5.cernet.net. (2402:f000:1:801::8:30) | ns5.cernet.net. (2405:3000:3:6::15) | |||||
| edu.cn | 7200 | CDNSKEY |
257 3 8 AwEAAdkXpELr8ax9Gu8CRfA7Iux8G32u sl8Lgs917ZELiWaoZgufgNALQHLSffJP bnZ/Qg6BPKB0RkhnUNX6066yLo3evWQB 6keio+JW/CHXF2orSgt1T+zDUqSKeE5M c4uPeq+nFmpP6SFbSz82IMlEYylbfvxB j16TqP5uNPAKN8MCm2gFNRjTx8/e8BZQ 93OwrfyBTJWkBWsaUUIUwhLqKtJuEovJ ZnvaNctOcKpJRk1FM0/swxVt1b4I7iLU JKBMSEIGeZvw72SnvqicqVOOLoE8NWTR zJMWs8RrrJp9OFy28O6fnwCR57cDpQQl HdvpIBsxiHPKGfcqRoX6gDqf7qs= | OK | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y |
| 7200 | RRSIG | CDNSKEY 8 2 7200 20250508200350 20250424192040 15397 edu.cn. uK63+o3OsgGoMU14PBm7UzLajIJUBMpf hEFzdxe2SDFEKfFWrC2ljHr37hnEvYZh nxLykvdjZqgRifT3apt7ncXuwXyIjbcj fnnJbDzy4nQawek7R9YeeKJDYHG+GYTF CWClceDzXEQy/s2mjbTiqvY2/f6R6hll BMSvJhIfbRV7Te97eA38qn0jMWBPbrHJ iV5izkB1EUackdwEFCbZTqz3afJp5A/L bfpEUA2mV2MOJn6vehNgKJFSaq6wxmmI KtgB7fUqEjLJbDMLhcLwvUOsFQehsNqO bDGtJNIJhJDMSV91Hdz6V6zXx7VQU/cp kvUFcZIYiLI+mjeDa7VKww== | VALID | 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 | |||
| Response size (bytes) | OK | 633 | 633 | 633 | 633 | 633 | 633 | 633 | 633 | 633 | 633 | 633 | 633 | 633 | 633 | 633 | 633 | |||
| Response time (ms) | OK | 372 | 374 | 378 | 373 | 379 | 374 | 376 | 378 | 374 | 228 | 377 | 205 | 228 | 372 | 376 | 229 | |||
| Name | TTL | Type | Data | Status | Returned by | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| dns.edu.cn. (202.38.109.35) | dns.edu.cn. (2001:250:c006::35) | dns2.edu.cn. (202.112.0.13) | dns2.edu.cn. (2001:da8:1:100::13) | dns3.edu.cn. (101.4.62.35) | dns3.edu.cn. (2001:250:62::35) | ns2.cernet.net. (103.137.60.203) | ns2.cernet.net. (2001:dd9::203) | ns4.cernet.net. (101.4.62.203) | ns4.cernet.net. (193.174.75.78) | ns4.cernet.net. (2001:250:62::203) | ns4.cernet.net. (2001:638:d:b104::2) | ns5.cernet.net. (137.189.6.21) | ns5.cernet.net. (166.111.8.30) | ns5.cernet.net. (2402:f000:1:801::8:30) | ns5.cernet.net. (2405:3000:3:6::15) | |||||
| 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 | 0/4/1 | 0/4/1 | |||
| Response size (bytes) | OK | 793 | 793 | 793 | 787 | 793 | 793 | 793 | 793 | 793 | 787 | 793 | 787 | 793 | 793 | 793 | 793 | |||
| Response time (ms) | OK | 442 | 445 | 452 | 444 | 453 | 447 | 449 | 451 | 445 | 240 | 449 | 242 | 241 | 442 | 447 | 243 | |||
| Name | TTL | Type | Data | Status | Returned by | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| dns.edu.cn. (202.38.109.35) | dns.edu.cn. (2001:250:c006::35) | dns2.edu.cn. (202.112.0.13) | dns2.edu.cn. (2001:da8:1:100::13) | dns3.edu.cn. (101.4.62.35) | dns3.edu.cn. (2001:250:62::35) | ns2.cernet.net. (103.137.60.203) | ns2.cernet.net. (2001:dd9::203) | ns4.cernet.net. (101.4.62.203) | ns4.cernet.net. (193.174.75.78) | ns4.cernet.net. (2001:250:62::203) | ns4.cernet.net. (2001:638:d:b104::2) | ns5.cernet.net. (137.189.6.21) | ns5.cernet.net. (166.111.8.30) | ns5.cernet.net. (2402:f000:1:801::8:30) | ns5.cernet.net. (2405:3000:3:6::15) | |||||
| 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 | 0/4/1 | ||||
| Response size (bytes) | OK | 793 | 793 | 787 | 793 | 793 | 793 | 793 | 793 | 787 | 793 | 787 | 793 | 793 | 793 | 793 | ||||
| Response time (ms) | OK | 182 | 167 | 180 | 193 | 183 | 188 | 181 | 182 | 145 | 190 | 153 | 148 | 192 | 185 | 149 | ||||
| Name | TTL | Type | Data | Status | Returned by | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| dns.edu.cn. (202.38.109.35) | dns.edu.cn. (2001:250:c006::35) | dns2.edu.cn. (202.112.0.13) | dns2.edu.cn. (2001:da8:1:100::13) | dns3.edu.cn. (101.4.62.35) | dns3.edu.cn. (2001:250:62::35) | ns2.cernet.net. (103.137.60.203) | ns2.cernet.net. (2001:dd9::203) | ns4.cernet.net. (101.4.62.203) | ns4.cernet.net. (193.174.75.78) | ns4.cernet.net. (2001:250:62::203) | ns4.cernet.net. (2001:638:d:b104::2) | ns5.cernet.net. (137.189.6.21) | ns5.cernet.net. (166.111.8.30) | ns5.cernet.net. (2402:f000:1:801::8:30) | ns5.cernet.net. (2405:3000:3:6::15) | |||||
| edu.cn | 7200 | CDS |
15397 8 2 3a6c89d32b3143d193521ce64389548821da90f770ab09ecd9c8680b2f4848b5 | OK | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | |
| 7200 | RRSIG | CDS 8 2 7200 20250508200350 20250424192040 15397 edu.cn. hs8gZQEfdS+nW0Q06q6CoxHShqWwAAuM wSzHYv1CplvvZIEV0LoR0yFLwYOop8gc P/usnUxhjBDV2ejZ+RyGPXVpkVFdWncA WWD6WgKVvblZFsDutlqcxN9QDJP62yLo U/v7b5l4DQqrrI6iMN+OAbE1ArV7JWGG 1T7gOg/FX1i9HLRlMUlB0/37TO+9apE7 kL9DvG0B4T4yJOcHnEbrJI9fQNqHx5K7 OAQhkOYyBbFHP/cKhIrs5sLlTmS7SbAE g7gOZkvjNQSbl2/kO3pO6YB81xz9DW7O duyWXd+fP4Nxq7Z/HWyYkbMYGiDfzUpZ apnI2ucTmsP/tMaHRwLw2Q== | VALID | 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 | ||||
| Response size (bytes) | OK | 405 | 405 | 405 | 405 | 405 | 405 | 405 | 405 | 405 | 405 | 405 | 405 | 405 | 405 | 405 | ||||
| Response time (ms) | OK | 454 | 458 | 453 | 458 | 455 | 455 | 457 | 454 | 243 | 456 | 243 | 242 | 452 | 455 | 243 | ||||
| Name | TTL | Type | Data | Status | Returned by | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| dns.edu.cn. (202.38.109.35) | dns.edu.cn. (2001:250:c006::35) | dns2.edu.cn. (202.112.0.13) | dns2.edu.cn. (2001:da8:1:100::13) | dns3.edu.cn. (101.4.62.35) | dns3.edu.cn. (2001:250:62::35) | ns2.cernet.net. (103.137.60.203) | ns2.cernet.net. (2001:dd9::203) | ns4.cernet.net. (101.4.62.203) | ns4.cernet.net. (193.174.75.78) | ns4.cernet.net. (2001:250:62::203) | ns4.cernet.net. (2001:638:d:b104::2) | ns5.cernet.net. (137.189.6.21) | ns5.cernet.net. (166.111.8.30) | ns5.cernet.net. (2402:f000:1:801::8:30) | ns5.cernet.net. (2405:3000:3:6::15) | |||||
| edu.cn | 172800 | SOA |
dns.edu.cn. hostmaster.net.edu.cn. 2025042393 7200 1800 604800 21600 | OK | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y |
| 172800 | RRSIG | SOA 8 2 172800 20250509062730 20250425052730 44583 edu.cn. fyYMjXCYLYChKZmJt2ViCeermxrf1Nlw 6loF5jB/JOsztGDYPnhkOyaGNdN8rglp wJzJwv+kPARz8dgR14fXuG/gSKFR5lj3 ROkLJ0ScE4AeWyXmHBNxHshpXfVqTPmI CXtWItZW1HOXBF2ltlV93TIG3R+cAgzQ KyI+M8iXHOgA5FFdr9y6r5Yakhe+XR3v +SwWcQFxXsOqdQ+EPIAoiP15mEARR29r qVtApbwJ2WOuaeLaLbpbHNLNn63iRjqr Fj9QWKcfZHgRTpClZRArkBapv28yfp0g yXAzy9jYGCYlJHaW1mzyHxMzZEgf98mW 45NEmgIHnp2RiHkRxRHyEQ== | VALID | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | |
| RR count (Answer/Authority/Additional) | OK | 2/7/13 | 2/7/13 | 2/7/7 | 2/7/17 | 2/7/7 | 2/7/7 | 2/7/7 | 2/7/7 | 2/7/7 | 2/7/7 | 2/7/7 | 2/7/7 | 2/7/7 | 2/7/7 | 2/7/7 | 2/7/7 | |||
| Response size (bytes) | OK | 2728 | 2728 | 964 | 1178 | 964 | 964 | 964 | 964 | 964 | 958 | 964 | 958 | 964 | 964 | 964 | 964 | |||
| Response time (ms) | OK | 290 | 292 | 316 | 289 | 316 | 303 | 309 | 314 | 301 | 210 | 311 | 205 | 223 | 285 | 305 | 223 | |||
| Name | TTL | Type | Data | Status | Returned by | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| dns.edu.cn. (202.38.109.35) | dns.edu.cn. (2001:250:c006::35) | dns2.edu.cn. (202.112.0.13) | dns2.edu.cn. (2001:da8:1:100::13) | dns3.edu.cn. (101.4.62.35) | dns3.edu.cn. (2001:250:62::35) | ns2.cernet.net. (103.137.60.203) | ns2.cernet.net. (2001:dd9::203) | ns4.cernet.net. (101.4.62.203) | ns4.cernet.net. (193.174.75.78) | ns4.cernet.net. (2001:250:62::203) | ns4.cernet.net. (2001:638:d:b104::2) | ns5.cernet.net. (137.189.6.21) | ns5.cernet.net. (166.111.8.30) | ns5.cernet.net. (2402:f000:1:801::8:30) | ns5.cernet.net. (2405:3000:3:6::15) | |||||
| 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 | 0/8/1 | 0/8/1 | |||
| Response size (bytes) | OK | 1557 | 1557 | 1557 | 1545 | 1557 | 1557 | 1557 | 1557 | 1557 | 1537 | 1557 | 1537 | 1557 | 1557 | 1557 | 1557 | |||
| Response time (ms) | OK | 470 | 472 | 332 | 357 | 379 | 360 | 378 | 359 | 364 | 405 | 364 | 402 | 412 | 1499 | 1892 | 408 | |||