History for ns2.cernet.com
Domain: cernet.com • Tracking since 2026-08-04 23:25 UTC
DNS response history for ns2.cernet.com
ns2.cernet.com is a DNS nameserver monitored by NameServerHistory. This page provides historical DNS response-time data, nameserver uptime signals, DNS latency observations, resolved IP history, successful response counts, failed response counts, and reliability indicators for this nameserver.
The selected UTC date is 2026-08-13. For this date, NameServerHistory found 72 DNS check records, 72 successful responses, 0 failed responses, and 482 ms average response time. Current selected-date status: At least one successful DNS response was recorded for the selected date.
- Use this report to investigate historical DNS uptime and nameserver reliability.
- Compare DNS latency changes, failed DNS checks, and response behavior over time.
- Review the latest resolved IP address and raw DNS check history for ns2.cernet.com.
Records on Selected Date
72
Historical checks stored for this nameserver on selected date
Average Latency
482 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-13 23:47
All timestamps shown in UTC
Latest Resolved IP on Selected Date
121.194.2.55
Most recently resolved hosting IP on selected date
Successful Responses
72
Checks that returned a measurable response
Failed Responses
0
Checks with no response or no returned latency
Failure Rate
0%
Based on the selected date history
Selected Date Status
Responsive
At least one successful response exists on selected date
History for ns2.cernet.com
Showing DNS history for 2026-08-13 UTC. Newest records appear first.
Latency bars are scaled to a maximum of 5000 ms for quick visual comparison.
| # | Query Time (UTC) | Correlation ID | Latency | Response | IP Address |
|---|---|---|---|---|---|
| 72 | 2026-08-13 23:47 | 639222608688333012 |
|
564 ms | 121.194.2.55 |
| 71 | 2026-08-13 23:30 | 639222598741756356 |
|
562 ms | 121.194.2.55 |
| 70 | 2026-08-13 23:13 | 639222588615244093 |
|
1012 ms | 121.194.2.55 |
| 69 | 2026-08-13 22:19 | 639222556495289724 |
|
4 ms | 121.194.2.55 |
| 68 | 2026-08-13 22:03 | 639222546477917698 |
|
565 ms | 121.194.2.55 |
| 67 | 2026-08-13 21:46 | 639222536257653790 |
|
510 ms | 121.194.2.55 |
| 66 | 2026-08-13 21:29 | 639222525833084485 |
|
1095 ms | 121.194.2.55 |
| 65 | 2026-08-13 21:11 | 639222515446085004 |
|
1052 ms | 121.194.2.55 |
| 64 | 2026-08-13 20:54 | 639222505166766781 |
|
1283 ms | 121.194.2.55 |
| 63 | 2026-08-13 20:37 | 639222494930541001 |
|
506 ms | 121.194.2.55 |
| 62 | 2026-08-13 20:20 | 639222484469216890 |
|
569 ms | 121.194.2.55 |
| 61 | 2026-08-13 20:02 | 639222474270039940 |
|
574 ms | 121.194.2.55 |
| 60 | 2026-08-13 19:45 | 639222464005587385 |
|
567 ms | 121.194.2.55 |
| 59 | 2026-08-13 19:28 | 639222453485975041 |
|
568 ms | 121.194.2.55 |
| 58 | 2026-08-13 19:10 | 639222442984828770 |
|
1354 ms | 121.194.2.55 |
| 57 | 2026-08-13 18:17 | 639222410191353397 |
|
4 ms | 121.194.2.55 |
| 56 | 2026-08-13 18:00 | 639222399952628376 |
|
549 ms | 121.194.2.55 |
| 55 | 2026-08-13 17:42 | 639222389608608647 |
|
1225 ms | 121.194.2.55 |
| 54 | 2026-08-13 17:25 | 639222379604012481 |
|
4 ms | 121.194.2.55 |
| 53 | 2026-08-13 17:09 | 639222369372672858 |
|
3 ms | 121.194.2.55 |
| 52 | 2026-08-13 16:52 | 639222359096909298 |
|
501 ms | 121.194.2.55 |
| 51 | 2026-08-13 16:34 | 639222348814301655 |
|
506 ms | 121.194.2.55 |
| 50 | 2026-08-13 16:17 | 639222338608331104 |
|
1147 ms | 121.194.2.55 |
| 49 | 2026-08-13 16:00 | 639222328204609760 |
|
565 ms | 121.194.2.55 |
| 48 | 2026-08-13 15:43 | 639222317859759909 |
|
498 ms | 121.194.2.55 |
| 47 | 2026-08-13 15:26 | 639222307560137918 |
|
258 ms | 121.194.2.55 |
| 46 | 2026-08-13 15:08 | 639222297274357149 |
|
4 ms | 121.194.2.55 |
| 45 | 2026-08-13 14:15 | 639222265004477827 |
|
1092 ms | 121.194.2.55 |
| 44 | 2026-08-13 13:58 | 639222255176583683 |
|
528 ms | 121.194.2.55 |
| 43 | 2026-08-13 13:42 | 639222245340146131 |
|
6 ms | 121.194.2.55 |
| 42 | 2026-08-13 13:26 | 639222235662219956 |
|
589 ms | 121.194.2.55 |
| 41 | 2026-08-13 13:09 | 639222225817223284 |
|
294 ms | 121.194.2.55 |
| 40 | 2026-08-13 12:53 | 639222216341869648 |
|
534 ms | 121.194.2.55 |
| 39 | 2026-08-13 12:37 | 639222206848442189 |
|
4 ms | 121.194.2.55 |
| 38 | 2026-08-13 12:21 | 639222197538963225 |
|
560 ms | 121.194.2.55 |
| 37 | 2026-08-13 12:06 | 639222188113685569 |
|
266 ms | 121.194.2.55 |
| 36 | 2026-08-13 11:50 | 639222178880138458 |
|
571 ms | 121.194.2.55 |
| 35 | 2026-08-13 11:35 | 639222169343013317 |
|
574 ms | 121.194.2.55 |
| 34 | 2026-08-13 11:19 | 639222159910600596 |
|
504 ms | 121.194.2.55 |
| 33 | 2026-08-13 10:27 | 639222128676274866 |
|
613 ms | 121.194.2.55 |
| 32 | 2026-08-13 10:11 | 639222119169781983 |
|
1321 ms | 121.194.2.55 |
| 31 | 2026-08-13 09:55 | 639222109996148889 |
|
1241 ms | 121.194.2.55 |
| 30 | 2026-08-13 09:40 | 639222100791323799 |
|
1185 ms | 121.194.2.55 |
| 29 | 2026-08-13 09:25 | 639222091647893142 |
|
3 ms | 121.194.2.55 |
| 28 | 2026-08-13 09:10 | 639222082524717649 |
|
535 ms | 121.194.2.55 |
| 27 | 2026-08-13 08:54 | 639222073378630456 |
|
3 ms | 121.194.2.55 |
| 26 | 2026-08-13 08:39 | 639222064537306701 |
|
276 ms | 121.194.2.55 |
| 25 | 2026-08-13 08:25 | 639222055409471864 |
|
9 ms | 121.194.2.55 |
| 24 | 2026-08-13 08:09 | 639222046117152411 |
|
519 ms | 121.194.2.55 |
| 23 | 2026-08-13 07:54 | 639222036915107067 |
|
519 ms | 121.194.2.55 |
| 22 | 2026-08-13 07:38 | 639222027654889141 |
|
527 ms | 121.194.2.55 |
| 21 | 2026-08-13 06:47 | 639221996824612035 |
|
237 ms | 121.194.2.55 |
| 20 | 2026-08-13 06:32 | 639221987863418113 |
|
229 ms | 121.194.2.55 |
| 19 | 2026-08-13 06:17 | 639221979006823112 |
|
4 ms | 121.194.2.55 |
| 18 | 2026-08-13 06:02 | 639221970068466615 |
|
251 ms | 121.194.2.55 |
| 17 | 2026-08-13 05:47 | 639221961001585139 |
|
333 ms | 121.194.2.55 |
| 16 | 2026-08-13 05:32 | 639221952104046397 |
|
313 ms | 121.194.2.55 |
| 15 | 2026-08-13 05:17 | 639221943247694484 |
|
569 ms | 121.194.2.55 |
| 14 | 2026-08-13 05:03 | 639221934603388241 |
|
282 ms | 121.194.2.55 |
| 13 | 2026-08-13 04:48 | 639221925729273358 |
|
561 ms | 121.194.2.55 |
| 12 | 2026-08-13 04:33 | 639221916777813401 |
|
852 ms | 121.194.2.55 |
| 11 | 2026-08-13 04:18 | 639221907816913910 |
|
9 ms | 121.194.2.55 |
| 10 | 2026-08-13 04:03 | 639221898639694322 |
|
568 ms | 121.194.2.55 |
| 9 | 2026-08-13 03:12 | 639221868257567489 |
|
288 ms | 121.194.2.55 |
| 8 | 2026-08-13 02:57 | 639221859270235608 |
|
2 ms | 121.194.2.55 |
| 7 | 2026-08-13 02:42 | 639221850184464515 |
|
280 ms | 121.194.2.55 |
| 6 | 2026-08-13 02:27 | 639221841141973425 |
|
812 ms | 121.194.2.55 |
| 5 | 2026-08-13 01:36 | 639221810548753083 |
|
3 ms | 121.194.2.55 |
| 4 | 2026-08-13 01:21 | 639221801656796262 |
|
240 ms | 121.194.2.55 |
| 3 | 2026-08-13 01:06 | 639221792658715334 |
|
3 ms | 121.194.2.55 |
| 2 | 2026-08-13 00:51 | 639221783571379176 |
|
281 ms | 121.194.2.55 |
| 1 | 2026-08-13 00:00 | 639221753022017039 |
|
293 ms | 121.194.2.55 |