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 2026-08-12. For this date, NameServerHistory found 62 DNS check records, 62 successful responses, 0 failed responses, and 445 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
62
Historical checks stored for this nameserver on selected date
Average Latency
445 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-12 23:45
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
62
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 2026-08-12 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 |
|---|---|---|---|---|---|
| 62 | 2026-08-12 23:45 | 639221744107644868 |
|
245 ms | 121.194.2.55 |
| 61 | 2026-08-12 23:30 | 639221735030187244 |
|
3 ms | 121.194.2.55 |
| 60 | 2026-08-12 23:15 | 639221725815508109 |
|
1007 ms | 121.194.2.55 |
| 59 | 2026-08-12 22:23 | 639221694790955973 |
|
5 ms | 121.194.2.55 |
| 58 | 2026-08-12 22:08 | 639221685562451720 |
|
2 ms | 121.194.2.55 |
| 57 | 2026-08-12 21:52 | 639221676023655289 |
|
504 ms | 121.194.2.55 |
| 56 | 2026-08-12 21:37 | 639221666449119409 |
|
555 ms | 121.194.2.55 |
| 55 | 2026-08-12 20:45 | 639221635456432556 |
|
2 ms | 121.194.2.55 |
| 54 | 2026-08-12 20:29 | 639221626313054202 |
|
4 ms | 121.194.2.55 |
| 53 | 2026-08-12 20:14 | 639221617091958857 |
|
798 ms | 121.194.2.55 |
| 52 | 2026-08-12 19:59 | 639221607786737151 |
|
553 ms | 121.194.2.55 |
| 51 | 2026-08-12 19:07 | 639221576664330059 |
|
572 ms | 121.194.2.55 |
| 50 | 2026-08-12 18:51 | 639221567514216674 |
|
568 ms | 121.194.2.55 |
| 49 | 2026-08-12 18:36 | 639221558399762524 |
|
561 ms | 121.194.2.55 |
| 48 | 2026-08-12 18:21 | 639221549052016282 |
|
5 ms | 121.194.2.55 |
| 47 | 2026-08-12 17:28 | 639221517673834934 |
|
259 ms | 121.194.2.55 |
| 46 | 2026-08-12 17:13 | 639221508282311633 |
|
571 ms | 121.194.2.55 |
| 45 | 2026-08-12 16:57 | 639221498786324983 |
|
553 ms | 121.194.2.55 |
| 44 | 2026-08-12 16:41 | 639221489157589737 |
|
571 ms | 121.194.2.55 |
| 43 | 2026-08-12 15:49 | 639221457655914645 |
|
352 ms | 121.194.2.55 |
| 42 | 2026-08-12 15:33 | 639221448164090526 |
|
283 ms | 121.194.2.55 |
| 41 | 2026-08-12 15:17 | 639221438725783630 |
|
285 ms | 121.194.2.55 |
| 40 | 2026-08-12 15:01 | 639221429178071087 |
|
545 ms | 121.194.2.55 |
| 39 | 2026-08-12 14:08 | 639221397761278719 |
|
576 ms | 121.194.2.55 |
| 38 | 2026-08-12 13:53 | 639221388200567278 |
|
570 ms | 121.194.2.55 |
| 37 | 2026-08-12 13:37 | 639221378483570949 |
|
258 ms | 121.194.2.55 |
| 36 | 2026-08-12 13:20 | 639221368872360139 |
|
785 ms | 121.194.2.55 |
| 35 | 2026-08-12 12:28 | 639221337226647415 |
|
4 ms | 121.194.2.55 |
| 34 | 2026-08-12 12:12 | 639221327924087446 |
|
609 ms | 121.194.2.55 |
| 33 | 2026-08-12 11:56 | 639221318096976375 |
|
1550 ms | 121.194.2.55 |
| 32 | 2026-08-12 11:40 | 639221308343145274 |
|
690 ms | 121.194.2.55 |
| 31 | 2026-08-12 10:48 | 639221277089610470 |
|
786 ms | 121.194.2.55 |
| 30 | 2026-08-12 10:32 | 639221267628136359 |
|
1011 ms | 121.194.2.55 |
| 29 | 2026-08-12 10:16 | 639221257907569952 |
|
265 ms | 121.194.2.55 |
| 28 | 2026-08-12 10:00 | 639221248402420965 |
|
529 ms | 121.194.2.55 |
| 27 | 2026-08-12 09:07 | 639221216797540533 |
|
552 ms | 121.194.2.55 |
| 26 | 2026-08-12 08:51 | 639221207385792352 |
|
345 ms | 121.194.2.55 |
| 25 | 2026-08-12 08:36 | 639221198078534844 |
|
533 ms | 121.194.2.55 |
| 24 | 2026-08-12 08:20 | 639221188677585577 |
|
268 ms | 121.194.2.55 |
| 23 | 2026-08-12 07:28 | 639221157276484143 |
|
2 ms | 121.194.2.55 |
| 22 | 2026-08-12 07:12 | 639221147876262183 |
|
1131 ms | 121.194.2.55 |
| 21 | 2026-08-12 06:56 | 639221138388812469 |
|
527 ms | 121.194.2.55 |
| 20 | 2026-08-12 06:41 | 639221128987381118 |
|
264 ms | 121.194.2.55 |
| 19 | 2026-08-12 05:48 | 639221097816416095 |
|
3 ms | 121.194.2.55 |
| 18 | 2026-08-12 05:33 | 639221088508065616 |
|
3 ms | 121.194.2.55 |
| 17 | 2026-08-12 05:17 | 639221079092308503 |
|
263 ms | 121.194.2.55 |
| 16 | 2026-08-12 05:02 | 639221069595873597 |
|
284 ms | 121.194.2.55 |
| 15 | 2026-08-12 04:10 | 639221038601577496 |
|
535 ms | 121.194.2.55 |
| 14 | 2026-08-12 03:54 | 639221029533901299 |
|
265 ms | 121.194.2.55 |
| 13 | 2026-08-12 03:39 | 639221020333828965 |
|
2 ms | 121.194.2.55 |
| 12 | 2026-08-12 03:24 | 639221011110510484 |
|
4 ms | 121.194.2.55 |
| 11 | 2026-08-12 02:32 | 639220979815209769 |
|
500 ms | 121.194.2.55 |
| 10 | 2026-08-12 02:17 | 639220970971410921 |
|
252 ms | 121.194.2.55 |
| 9 | 2026-08-12 02:02 | 639220961848982361 |
|
1032 ms | 121.194.2.55 |
| 8 | 2026-08-12 01:47 | 639220952784591501 |
|
2 ms | 121.194.2.55 |
| 7 | 2026-08-12 01:32 | 639220943893596731 |
|
503 ms | 121.194.2.55 |
| 6 | 2026-08-12 01:17 | 639220934954704520 |
|
568 ms | 121.194.2.55 |
| 5 | 2026-08-12 01:02 | 639220925792457751 |
|
1515 ms | 121.194.2.55 |
| 4 | 2026-08-12 00:46 | 639220916610063538 |
|
449 ms | 121.194.2.55 |
| 3 | 2026-08-12 00:31 | 639220907229361754 |
|
566 ms | 121.194.2.55 |
| 2 | 2026-08-12 00:15 | 639220897896762127 |
|
287 ms | 121.194.2.55 |
| 1 | 2026-08-12 00:00 | 639220888396333845 |
|
526 ms | 121.194.2.55 |