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 2026-08-20. For this date, NameServerHistory found 57 DNS check records, 57 successful responses, 0 failed responses, and 453 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
57
Historical checks stored for this nameserver on selected date
Average Latency
453 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-20 23:19
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
57
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 2026-08-20 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 |
|---|---|---|---|---|---|
| 57 | 2026-08-20 23:19 | 639228639850033448 |
|
2 ms | 121.194.2.55 |
| 56 | 2026-08-20 23:03 | 639228630204271870 |
|
3 ms | 121.194.2.55 |
| 55 | 2026-08-20 22:47 | 639228620295091135 |
|
571 ms | 121.194.2.55 |
| 54 | 2026-08-20 22:31 | 639228610298336915 |
|
1446 ms | 121.194.2.55 |
| 53 | 2026-08-20 21:38 | 639228578917047616 |
|
1273 ms | 121.194.2.55 |
| 52 | 2026-08-20 21:22 | 639228569046445709 |
|
497 ms | 121.194.2.55 |
| 51 | 2026-08-20 21:05 | 639228558946830986 |
|
5 ms | 121.194.2.55 |
| 50 | 2026-08-20 20:48 | 639228548977359217 |
|
300 ms | 121.194.2.55 |
| 49 | 2026-08-20 19:56 | 639228517494157668 |
|
276 ms | 121.194.2.55 |
| 48 | 2026-08-20 19:39 | 639228507374116892 |
|
282 ms | 121.194.2.55 |
| 47 | 2026-08-20 19:22 | 639228497315154893 |
|
530 ms | 121.194.2.55 |
| 46 | 2026-08-20 19:05 | 639228487287648341 |
|
1052 ms | 121.194.2.55 |
| 45 | 2026-08-20 18:13 | 639228455828123788 |
|
6 ms | 121.194.2.55 |
| 44 | 2026-08-20 17:57 | 639228445900082244 |
|
260 ms | 121.194.2.55 |
| 43 | 2026-08-20 17:40 | 639228435866352323 |
|
533 ms | 121.194.2.55 |
| 42 | 2026-08-20 17:23 | 639228425802273151 |
|
256 ms | 121.194.2.55 |
| 41 | 2026-08-20 16:30 | 639228393616324230 |
|
529 ms | 121.194.2.55 |
| 40 | 2026-08-20 16:13 | 639228383590408693 |
|
269 ms | 121.194.2.55 |
| 39 | 2026-08-20 15:56 | 639228373471467474 |
|
7 ms | 121.194.2.55 |
| 38 | 2026-08-20 15:39 | 639228363426647311 |
|
521 ms | 121.194.2.55 |
| 37 | 2026-08-20 14:46 | 639228331681701910 |
|
564 ms | 121.194.2.55 |
| 36 | 2026-08-20 14:29 | 639228321714746824 |
|
267 ms | 121.194.2.55 |
| 35 | 2026-08-20 14:13 | 639228311652090262 |
|
532 ms | 121.194.2.55 |
| 34 | 2026-08-20 13:56 | 639228301670088587 |
|
585 ms | 121.194.2.55 |
| 33 | 2026-08-20 13:03 | 639228269987976710 |
|
582 ms | 121.194.2.55 |
| 32 | 2026-08-20 12:47 | 639228260009452308 |
|
508 ms | 121.194.2.55 |
| 31 | 2026-08-20 12:30 | 639228249661740894 |
|
1259 ms | 121.194.2.55 |
| 30 | 2026-08-20 12:12 | 639228239552680346 |
|
1135 ms | 121.194.2.55 |
| 29 | 2026-08-20 11:19 | 639228207667580819 |
|
529 ms | 121.194.2.55 |
| 28 | 2026-08-20 11:03 | 639228197494011560 |
|
289 ms | 121.194.2.55 |
| 27 | 2026-08-20 10:46 | 639228187497039939 |
|
311 ms | 121.194.2.55 |
| 26 | 2026-08-20 10:29 | 639228177408432646 |
|
272 ms | 121.194.2.55 |
| 25 | 2026-08-20 09:37 | 639228146356166262 |
|
4 ms | 121.194.2.55 |
| 24 | 2026-08-20 09:21 | 639228136541505712 |
|
4 ms | 121.194.2.55 |
| 23 | 2026-08-20 09:04 | 639228126519136598 |
|
509 ms | 121.194.2.55 |
| 22 | 2026-08-20 08:47 | 639228116537148885 |
|
522 ms | 121.194.2.55 |
| 21 | 2026-08-20 07:55 | 639228085320764351 |
|
1156 ms | 121.194.2.55 |
| 20 | 2026-08-20 07:39 | 639228075444604839 |
|
1057 ms | 121.194.2.55 |
| 19 | 2026-08-20 07:22 | 639228065615498985 |
|
223 ms | 121.194.2.55 |
| 18 | 2026-08-20 07:06 | 639228055675321422 |
|
3 ms | 121.194.2.55 |
| 17 | 2026-08-20 06:14 | 639228024230839396 |
|
2301 ms | 121.194.2.55 |
| 16 | 2026-08-20 05:57 | 639228014720406505 |
|
534 ms | 121.194.2.55 |
| 15 | 2026-08-20 05:41 | 639228004930827030 |
|
258 ms | 121.194.2.55 |
| 14 | 2026-08-20 05:25 | 639227995103340154 |
|
1111 ms | 121.194.2.55 |
| 13 | 2026-08-20 04:33 | 639227963811374894 |
|
2 ms | 121.194.2.55 |
| 12 | 2026-08-20 04:17 | 639227954132571365 |
|
12 ms | 121.194.2.55 |
| 11 | 2026-08-20 04:00 | 639227944541208342 |
|
300 ms | 121.194.2.55 |
| 10 | 2026-08-20 03:44 | 639227934657213484 |
|
2 ms | 121.194.2.55 |
| 9 | 2026-08-20 02:52 | 639227903628145469 |
|
519 ms | 121.194.2.55 |
| 8 | 2026-08-20 02:36 | 639227893995483475 |
|
249 ms | 121.194.2.55 |
| 7 | 2026-08-20 02:20 | 639227884280244209 |
|
2 ms | 121.194.2.55 |
| 6 | 2026-08-20 02:04 | 639227874371147132 |
|
3 ms | 121.194.2.55 |
| 5 | 2026-08-20 01:12 | 639227843224256432 |
|
2 ms | 121.194.2.55 |
| 4 | 2026-08-20 00:56 | 639227833720403506 |
|
295 ms | 121.194.2.55 |
| 3 | 2026-08-20 00:40 | 639227824170728278 |
|
586 ms | 121.194.2.55 |
| 2 | 2026-08-20 00:24 | 639227814865867570 |
|
218 ms | 121.194.2.55 |
| 1 | 2026-08-20 00:09 | 639227805445376839 |
|
499 ms | 121.194.2.55 |