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 2026-08-09. For this date, NameServerHistory found 78 DNS check records, 78 successful responses, 0 failed responses, and 406 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
78
Historical checks stored for this nameserver on selected date
Average Latency
406 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-09 23:22
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
78
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 2026-08-09 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 |
|---|---|---|---|---|---|
| 78 | 2026-08-09 23:22 | 639219137912168440 |
|
437 ms | 121.194.2.55 |
| 77 | 2026-08-09 23:07 | 639219129014206359 |
|
437 ms | 121.194.2.55 |
| 76 | 2026-08-09 22:52 | 639219120129816185 |
|
463 ms | 121.194.2.55 |
| 75 | 2026-08-09 22:37 | 639219111180200055 |
|
218 ms | 121.194.2.55 |
| 74 | 2026-08-09 22:22 | 639219102397272208 |
|
663 ms | 121.194.2.55 |
| 73 | 2026-08-09 22:08 | 639219093318422880 |
|
230 ms | 121.194.2.55 |
| 72 | 2026-08-09 21:53 | 639219084400315753 |
|
447 ms | 121.194.2.55 |
| 71 | 2026-08-09 21:38 | 639219075254551587 |
|
326 ms | 121.194.2.55 |
| 70 | 2026-08-09 21:22 | 639219065729192158 |
|
223 ms | 121.194.2.55 |
| 69 | 2026-08-09 21:07 | 639219056747802098 |
|
541 ms | 121.194.2.55 |
| 68 | 2026-08-09 20:51 | 639219047713450952 |
|
223 ms | 121.194.2.55 |
| 67 | 2026-08-09 20:36 | 639219038561445315 |
|
452 ms | 121.194.2.55 |
| 66 | 2026-08-09 19:44 | 639219007390383771 |
|
5 ms | 121.194.2.55 |
| 65 | 2026-08-09 19:30 | 639218998523265596 |
|
244 ms | 121.194.2.55 |
| 64 | 2026-08-09 19:15 | 639218989631630804 |
|
3 ms | 121.194.2.55 |
| 63 | 2026-08-09 19:00 | 639218980808450892 |
|
4 ms | 121.194.2.55 |
| 62 | 2026-08-09 18:45 | 639218971852160604 |
|
678 ms | 121.194.2.55 |
| 61 | 2026-08-09 18:30 | 639218962783650906 |
|
504 ms | 121.194.2.55 |
| 60 | 2026-08-09 18:15 | 639218953792820819 |
|
543 ms | 121.194.2.55 |
| 59 | 2026-08-09 18:00 | 639218944959692876 |
|
3 ms | 121.194.2.55 |
| 58 | 2026-08-09 17:45 | 639218936169104506 |
|
530 ms | 121.194.2.55 |
| 57 | 2026-08-09 17:31 | 639218927166062556 |
|
440 ms | 121.194.2.55 |
| 56 | 2026-08-09 17:16 | 639218918015715420 |
|
443 ms | 121.194.2.55 |
| 55 | 2026-08-09 17:00 | 639218908881852638 |
|
463 ms | 121.194.2.55 |
| 54 | 2026-08-09 16:09 | 639218877956262035 |
|
6 ms | 121.194.2.55 |
| 53 | 2026-08-09 15:54 | 639218869143729797 |
|
4 ms | 121.194.2.55 |
| 52 | 2026-08-09 15:39 | 639218860485298832 |
|
276 ms | 121.194.2.55 |
| 51 | 2026-08-09 15:25 | 639218851607906747 |
|
4 ms | 121.194.2.55 |
| 50 | 2026-08-09 15:10 | 639218842720839568 |
|
5 ms | 121.194.2.55 |
| 49 | 2026-08-09 14:55 | 639218833878788864 |
|
3 ms | 121.194.2.55 |
| 48 | 2026-08-09 14:40 | 639218825180862573 |
|
3 ms | 121.194.2.55 |
| 47 | 2026-08-09 14:26 | 639218816469621951 |
|
4 ms | 121.194.2.55 |
| 46 | 2026-08-09 14:11 | 639218807685036212 |
|
215 ms | 121.194.2.55 |
| 45 | 2026-08-09 13:57 | 639218798978271509 |
|
439 ms | 121.194.2.55 |
| 44 | 2026-08-09 13:42 | 639218790065423597 |
|
1122 ms | 121.194.2.55 |
| 43 | 2026-08-09 13:27 | 639218781304584862 |
|
458 ms | 121.194.2.55 |
| 42 | 2026-08-09 12:36 | 639218750311179000 |
|
294 ms | 121.194.2.55 |
| 41 | 2026-08-09 12:22 | 639218741750420268 |
|
4 ms | 121.194.2.55 |
| 40 | 2026-08-09 12:07 | 639218733057535576 |
|
3 ms | 121.194.2.55 |
| 39 | 2026-08-09 11:53 | 639218724471329044 |
|
255 ms | 121.194.2.55 |
| 38 | 2026-08-09 11:38 | 639218715911974203 |
|
267 ms | 121.194.2.55 |
| 37 | 2026-08-09 11:24 | 639218707310812834 |
|
973 ms | 121.194.2.55 |
| 36 | 2026-08-09 11:10 | 639218698790485612 |
|
2257 ms | 121.194.2.55 |
| 35 | 2026-08-09 10:56 | 639218690367692706 |
|
3 ms | 121.194.2.55 |
| 34 | 2026-08-09 10:42 | 639218681923173883 |
|
438 ms | 121.194.2.55 |
| 33 | 2026-08-09 10:27 | 639218673547179738 |
|
32 ms | 121.194.2.55 |
| 32 | 2026-08-09 10:13 | 639218664890274867 |
|
241 ms | 121.194.2.55 |
| 31 | 2026-08-09 09:59 | 639218656036928157 |
|
978 ms | 121.194.2.55 |
| 30 | 2026-08-09 09:07 | 639218624808018222 |
|
4 ms | 121.194.2.55 |
| 29 | 2026-08-09 08:52 | 639218616243340806 |
|
262 ms | 121.194.2.55 |
| 28 | 2026-08-09 08:38 | 639218607397811973 |
|
223 ms | 121.194.2.55 |
| 27 | 2026-08-09 08:23 | 639218598812444454 |
|
526 ms | 121.194.2.55 |
| 26 | 2026-08-09 08:09 | 639218590219570048 |
|
263 ms | 121.194.2.55 |
| 25 | 2026-08-09 07:55 | 639218581690210758 |
|
260 ms | 121.194.2.55 |
| 24 | 2026-08-09 07:40 | 639218573057388822 |
|
215 ms | 121.194.2.55 |
| 23 | 2026-08-09 07:26 | 639218564408781785 |
|
218 ms | 121.194.2.55 |
| 22 | 2026-08-09 07:12 | 639218555767188482 |
|
885 ms | 121.194.2.55 |
| 21 | 2026-08-09 06:57 | 639218547142705295 |
|
279 ms | 121.194.2.55 |
| 20 | 2026-08-09 06:42 | 639218538090114532 |
|
1131 ms | 121.194.2.55 |
| 19 | 2026-08-09 06:27 | 639218529257910584 |
|
454 ms | 121.194.2.55 |
| 18 | 2026-08-09 05:36 | 639218498473231858 |
|
222 ms | 121.194.2.55 |
| 17 | 2026-08-09 05:22 | 639218489802113995 |
|
504 ms | 121.194.2.55 |
| 16 | 2026-08-09 05:07 | 639218481006804516 |
|
449 ms | 121.194.2.55 |
| 15 | 2026-08-09 04:52 | 639218472048712427 |
|
441 ms | 121.194.2.55 |
| 14 | 2026-08-09 04:37 | 639218463224432974 |
|
216 ms | 121.194.2.55 |
| 13 | 2026-08-09 04:23 | 639218454384107526 |
|
887 ms | 121.194.2.55 |
| 12 | 2026-08-09 04:08 | 639218445331231791 |
|
892 ms | 121.194.2.55 |
| 11 | 2026-08-09 03:53 | 639218436285215733 |
|
218 ms | 121.194.2.55 |
| 10 | 2026-08-09 03:38 | 639218427289555123 |
|
431 ms | 121.194.2.55 |
| 9 | 2026-08-09 03:23 | 639218418227819981 |
|
440 ms | 121.194.2.55 |
| 8 | 2026-08-09 03:07 | 639218409119503123 |
|
439 ms | 121.194.2.55 |
| 7 | 2026-08-09 02:52 | 639218399771712154 |
|
439 ms | 121.194.2.55 |
| 6 | 2026-08-09 02:00 | 639218368648652303 |
|
1201 ms | 121.194.2.55 |
| 5 | 2026-08-09 01:45 | 639218359569598460 |
|
440 ms | 121.194.2.55 |
| 4 | 2026-08-09 01:30 | 639218350555429902 |
|
877 ms | 121.194.2.55 |
| 3 | 2026-08-09 01:15 | 639218341311543299 |
|
453 ms | 121.194.2.55 |
| 2 | 2026-08-09 00:22 | 639218309981981465 |
|
664 ms | 121.194.2.55 |
| 1 | 2026-08-09 00:07 | 639218300987184335 |
|
901 ms | 121.194.2.55 |