
| Name | TTL | Type | Data | Status | Returned by | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| a.dns.cn. (203.119.25.1) | a.dns.cn. (2001:dc7::1) | b.dns.cn. (203.119.26.1) | b.dns.cn. (2001:dc7:1::1) | c.dns.cn. (203.119.27.1) | c.dns.cn. (2001:dc7:2::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:da8:1:100::44) | ns.cernet.net. (2001:dd9::44) | |||||
| edu.cn | 86400 | DS |
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 20260228050642 20260129040642 55980 cn. b7zuTBsOXWz8zSBD6QOYMCzMVe62D4OB /28hYD4x7ItXDA6SRdGiSQ0YMJWa04FI mO/Uy0c0e0KTPIjJCdwIE1hCU6HgvOce ZrQrEj8mic8cC9yRj0vTBOX3SywB3zYi DseeVAfrKRUoLkgtAtsoSqEGcn1gUXpT lCMsr1lHXio= | 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 | 2/0/1 | 2/0/1 | 2/0/1 | 2/0/1 | ||||
| Response size (bytes) | OK | 245 | 245 | 245 | 245 | 245 | 245 | 245 | 245 | 245 | 273 | 273 | 273 | 273 | 273 | ||||
| Response time (ms) | OK | 274 | 93 | 137 | 155 | 249 | 69 | 68 | 424 | 274 | 446 | 421 | 444 | 445 | 423 | ||||
| Name | TTL | Type | Data | Status | Returned by | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| dns.edu.cn. (2001:250:c006::35) | dns.edu.cn. (202.38.109.35) | 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 20260220034336 20260206031344 15397 edu.cn. Rvbvdr4tuRIsF1z+VDqXjkx+sgo62BLE KtIUmIclubc64OVlp1xNi7OUAoJjQnu/ zQhbE/zzNOPybUdJU/hpSh8tkvHqn+ak jyVNHjn8GDJBo4cWYf57XiXOOsbpNLte gKbiSsEHTpaxauAVTEtmReJR51eI5IYj 9bQnt1LtlOd6LQTymOryz3G2xWkBmLJd 0vDzeaHyv28syyu34GRmCnZAy9FKmzje p218k1xkJ1/4+A3KbXzV/K8ZL5yEAxwo cRkFw3K5J5zZZs7+Lk0i7x5nnsP256qZ WL19rHboJMSsrIdoXplSvwOZr+6egtOk b4Q9mBVomKK0MApRr1Y0Mg== | 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 | 481 | 480 | 488 | 481 | 488 | 485 | 485 | 487 | 484 | 211 | 487 | 257 | 256 | 479 | 485 | 257 | |||
| Name | TTL | Type | Data | Status | Returned by | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| dns.edu.cn. (2001:250:c006::35) | dns.edu.cn. (202.38.109.35) | 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 20260213192022 20260130190819 44583 edu.cn. CzsOguw07AommieHfQNGp0l317IBDq+h jX1bffrm+Y+6A4kZpbydR04sASdjM6+C lkxRZ6eDfqz+vGs4fsOZRyF+sg+EezsA +MKloU5AEbnWIT177ZM8ATWP8buPTwyc R6ihsSLlDS2u6LSV5bTyd5FtOXpsk872 VZKilIOFXu3DBf4kqSPnnnsAeKBWbi7i Wz1BvvVGNNNttNlaLFWN/+OU0qOx3Se+ MR/II9psO1/j3WAqf7rVgDJuFdQRdZs1 CvLRiwyu86KRxPRNKRYbm4+x8LPqrWQQ rbWilNUpLFir7Ga3zZhSOcKEkjn8qANa zuuBrRfsOywrecAWJjkkaw== | VALID | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | |
| RR count (Answer/Authority/Additional) | OK | 7/0/9 | 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 | 7/0/9 | 7/0/9 | 7/0/9 | 7/0/9 | |||
| Response size (bytes) | OK | 1197 | 1197 | 1197 | 1197 | 1197 | 1197 | 1197 | 1197 | 1197 | 1197 | 1197 | 1197 | 1197 | 1197 | 1197 | 1197 | |||
| Response time (ms) | OK | 181 | 232 | 222 | 196 | 217 | 200 | 227 | 192 | 212 | 144 | 186 | 149 | 158 | 207 | 201 | 155 | |||
| Name | TTL | Type | Data | Status | Returned by | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| dns.edu.cn. (2001:250:c006::35) | dns.edu.cn. (202.38.109.35) | 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 20260219212841 20260205203025 44583 edu.cn. kyfCVGnIBlBbljqkfOAovyMrSdu6HYWG T/KLANts7IqtDWEBa6Dz8DH1cxeEeG94 2Xen9NVbUfJwAblTv026QyIxHN6+aywC 1vXyAFv99m/dcCIijJaHOlXp50QqnTUK xRSmY5IQh5rkj8nThp4gjVsaWQSvclA8 2F5Mh882GIsOCHy+rUGQtEjcO+56yMit 39B9VVyCThbaXCPBDZQVxqjTLOfd3cmW mkFTauDHeOVdqvHsw7E5K4VyDW3LoVQ+ fRjOoXPJor/+zTSzQkWtxRF2nHe/JG9/ WTRL11xs9txEmkYzrwomh/KWXEZu1ALU a5U+Sb8UPXhV0LuDoUhWug== | VALID | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | |
| RR count (Answer/Authority/Additional) | OK | 2/7/8 | 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 | 2/7/8 | 2/7/8 | 2/7/8 | 2/7/8 | |||
| Response size (bytes) | OK | 1214 | 1214 | 1214 | 1214 | 1214 | 1214 | 1214 | 1214 | 1214 | 1214 | 1214 | 1214 | 1214 | 1214 | 1214 | 1214 | |||
| Response time (ms) | OK | 408 | 669 | 406 | 404 | 410 | 385 | 393 | 401 | 412 | 458 | 397 | 401 | 295 | 402 | 389 | 266 | |||
| Name | TTL | Type | Data | Status | Returned by | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| dns.edu.cn. (2001:250:c006::35) | dns.edu.cn. (202.38.109.35) | 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 | 793 | 793 | 793 | 793 | 793 | 793 | 787 | 793 | 787 | 793 | 793 | 793 | 793 | |||
| Response time (ms) | OK | 441 | 438 | 452 | 440 | 453 | 445 | 448 | 451 | 444 | 212 | 448 | 252 | 252 | 437 | 445 | 253 | |||
| Name | TTL | Type | Data | Status | Returned by | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| dns.edu.cn. (2001:250:c006::35) | dns.edu.cn. (202.38.109.35) | 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 | 793 | 793 | 793 | 793 | 793 | 793 | 787 | 793 | 787 | 793 | 793 | 793 | 793 | |||
| Response time (ms) | OK | 418 | 415 | 427 | 415 | 429 | 420 | 422 | 425 | 420 | 239 | 424 | 269 | 269 | 414 | 422 | 271 | |||
| Name | TTL | Type | Data | Status | Returned by | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| dns.edu.cn. (2001:250:c006::35) | dns.edu.cn. (202.38.109.35) | 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 | 793 | 793 | 793 | 793 | 793 | 793 | 787 | 793 | 787 | 793 | 793 | 793 | 793 | |||
| Response time (ms) | OK | 425 | 611 | 435 | 425 | 437 | 429 | 432 | 435 | 428 | 213 | 433 | 249 | 249 | 424 | 429 | 250 | |||
| Name | TTL | Type | Data | Status | Returned by | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| dns.edu.cn. (2001:250:c006::35) | dns.edu.cn. (202.38.109.35) | 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 20260213192022 20260130190819 44583 edu.cn. CzsOguw07AommieHfQNGp0l317IBDq+h jX1bffrm+Y+6A4kZpbydR04sASdjM6+C lkxRZ6eDfqz+vGs4fsOZRyF+sg+EezsA +MKloU5AEbnWIT177ZM8ATWP8buPTwyc R6ihsSLlDS2u6LSV5bTyd5FtOXpsk872 VZKilIOFXu3DBf4kqSPnnnsAeKBWbi7i Wz1BvvVGNNNttNlaLFWN/+OU0qOx3Se+ MR/II9psO1/j3WAqf7rVgDJuFdQRdZs1 CvLRiwyu86KRxPRNKRYbm4+x8LPqrWQQ rbWilNUpLFir7Ga3zZhSOcKEkjn8qANa zuuBrRfsOywrecAWJjkkaw== | VALID | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | |
| RR count (Answer/Authority/Additional) | OK | 7/0/9 | 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 | 7/0/9 | 7/0/9 | 7/0/9 | 7/0/9 | |||
| Response size (bytes) | OK | 1197 | 1197 | 1197 | 1197 | 1197 | 1197 | 1197 | 1197 | 1197 | 1197 | 1197 | 1197 | 1197 | 1197 | 1197 | 1197 | |||
| Response time (ms) | OK | 181 | 232 | 222 | 196 | 217 | 200 | 227 | 192 | 212 | 144 | 186 | 149 | 158 | 207 | 201 | 155 | |||
| Name | TTL | Type | Data | Status | Returned by | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| dns.edu.cn. (2001:250:c006::35) | dns.edu.cn. (202.38.109.35) | 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 20260220034336 20260206031344 15397 edu.cn. djiS6AzygQhWV96ebt5RYjfl/kTryQk2 9Mmc8Bo6ch6ZdkafC1jIN2iSy4weBipW hsaYfe5/rrrp1c18vS6uQVGxDIhhABhn Pb9B3YnL08hF0h9sCViJUY0/UP04muBR T2ppuhs11nrzWKLvNbWbpYO/VEnunZ+L RH/InOdVzsfLy7Bv7byyQzFJwkhEC9vW SShAzTGPzIF2ACSlxmMTT8TdEtbMrcGO pTQQisLSdgpsfQoXN0WdCBsavPsDYI6i nBouL1pedIhrc5itV0FMBEWcYn+2oA6j t84w9j9wLa6fHcXrJYxH3p+ZKc6cSzM0 jxjBjSpyeNBb7xvZCnHNbA== | 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 | 437 | 637 | 443 | 437 | 444 | 439 | 441 | 442 | 438 | 240 | 442 | 273 | 273 | 436 | 440 | 274 | |||
| Name | TTL | Type | Data | Status | Returned by | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| dns.edu.cn. (2001:250:c006::35) | dns.edu.cn. (202.38.109.35) | 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 | 793 | 793 | 793 | 793 | 793 | 793 | 787 | 793 | 787 | 793 | 793 | 793 | 793 | |||
| Response time (ms) | OK | 457 | 610 | 467 | 454 | 467 | 460 | 463 | 466 | 459 | 212 | 465 | 255 | 254 | 455 | 460 | 255 | |||
| Name | TTL | Type | Data | Status | Returned by | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| dns.edu.cn. (2001:250:c006::35) | dns.edu.cn. (202.38.109.35) | 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 | 793 | 793 | 793 | 793 | 793 | 793 | 787 | 793 | 787 | 793 | 793 | 793 | 793 | |||
| Response time (ms) | OK | 191 | 224 | 192 | 183 | 192 | 185 | 212 | 181 | 191 | 144 | 189 | 146 | 155 | 197 | 185 | 149 | |||
| Name | TTL | Type | Data | Status | Returned by | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| dns.edu.cn. (2001:250:c006::35) | dns.edu.cn. (202.38.109.35) | 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 | Y |
| 7200 | RRSIG | CDS 8 2 7200 20260220034336 20260206031344 15397 edu.cn. oPaoqG5EyolPzLMdTPps0tGYoA93JV3v eJg03k3eCrWL/ZpeepP636b/FJKiDSWZ AcDdCpNFIMapgkEyg6PGZ36OywXvatLa 06OT49s58oylmBVFRQV69T4EhLBy4lME EyK/PZq18sF7CkXLKWDKK8pEvdTnOhEC kvQVQqjS/bSSSthkrisnmAWNvW5GWYrA eDD+EusmuRdYiDDy9OThZTIhXV7CEccm LuR5j7y/Fo/unpXRqU75jZNSdditSJU9 Ybf5ERldE/oDGr2rggnl6RCe9/EKTjEp dSEvKUsS0EE+4SPEWn4jPw9mkh12+DTS S+xzzYcj56tz4lclsvYoww== | 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 | 405 | 405 | 405 | 405 | 405 | 405 | 405 | 405 | 405 | 405 | 405 | 405 | 405 | 405 | 405 | 405 | |||
| Response time (ms) | OK | 470 | 607 | 477 | 469 | 477 | 472 | 474 | 477 | 471 | 212 | 476 | 256 | 255 | 468 | 473 | 256 | |||
| Name | TTL | Type | Data | Status | Returned by | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| dns.edu.cn. (2001:250:c006::35) | dns.edu.cn. (202.38.109.35) | 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. 2026020712 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 20260221041931 20260207031931 44583 edu.cn. Gmjf9JXFCTtyVDHMhjvHCMtjO1W1Zh0x HKBhDn6trOtpBLwQkPvVFWMwdxOECxYY kbsyMS//H01A6/UZGd7Lthp38ALEhn2o 0eT2qm3whg1eS3AnOm7fNdjJKrbzF1Cr nWlooTH4vXdCBdZyvjsW9Fiixfv+Nj71 n+w2DmYFp+ZGenPPAc4nFrSK9v/iGuMH 3K3gUiH45/i+ucsqkFIpgdyWkN1EgOb3 Jk12N4jdSmFewhmiy1FlZAbP2JiOtaft 1/PROyFYWvM4qXE/bq3QIDXOQIGik0Ti M3om+IlD5ckN+43HB+Jwc65C8U7pzLWZ v0CexWCFaBf5aIGXNZjHNw== | VALID | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | Y | |
| RR count (Answer/Authority/Additional) | OK | 2/7/7 | 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 | 2/7/7 | 2/7/7 | 2/7/7 | 2/7/7 | |||
| Response size (bytes) | OK | 966 | 966 | 966 | 966 | 966 | 966 | 966 | 966 | 966 | 960 | 966 | 960 | 966 | 966 | 966 | 966 | |||
| Response time (ms) | OK | 364 | 672 | 391 | 360 | 395 | 371 | 380 | 387 | 364 | 274 | 380 | 293 | 291 | 357 | 376 | 293 | |||
| Name | TTL | Type | Data | Status | Returned by | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| dns.edu.cn. (2001:250:c006::35) | dns.edu.cn. (202.38.109.35) | 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 | 1557 | 1557 | 1557 | 1557 | 1557 | 1557 | 1545 | 1557 | 1545 | 1557 | 1557 | 1557 | 1557 | |||
| Response time (ms) | OK | 360 | 450 | 381 | 364 | 396 | 364 | 423 | 372 | 390 | 523 | 361 | 461 | 466 | 393 | 369 | 463 | |||