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 2026-08-16. For this date, NameServerHistory found 61 DNS check records, 61 successful responses, 0 failed responses, and 490 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
61
Historical checks stored for this nameserver on selected date
Average Latency
490 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-16 23:58
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
61
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 2026-08-16 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 |
|---|---|---|---|---|---|
| 61 | 2026-08-16 23:58 | 639225207490611656 |
|
548 ms | 121.194.2.55 |
| 60 | 2026-08-16 23:42 | 639225198045815385 |
|
249 ms | 121.194.2.55 |
| 59 | 2026-08-16 22:50 | 639225166825544741 |
|
1052 ms | 121.194.2.55 |
| 58 | 2026-08-16 22:35 | 639225157549461269 |
|
287 ms | 121.194.2.55 |
| 57 | 2026-08-16 22:19 | 639225147914556308 |
|
568 ms | 121.194.2.55 |
| 56 | 2026-08-16 22:03 | 639225138472322960 |
|
572 ms | 121.194.2.55 |
| 55 | 2026-08-16 21:11 | 639225107211236826 |
|
571 ms | 121.194.2.55 |
| 54 | 2026-08-16 20:55 | 639225097684457510 |
|
272 ms | 121.194.2.55 |
| 53 | 2026-08-16 20:39 | 639225087942913396 |
|
510 ms | 121.194.2.55 |
| 52 | 2026-08-16 20:23 | 639225078238684183 |
|
573 ms | 121.194.2.55 |
| 51 | 2026-08-16 19:30 | 639225046944151094 |
|
287 ms | 121.194.2.55 |
| 50 | 2026-08-16 19:15 | 639225037234857231 |
|
256 ms | 121.194.2.55 |
| 49 | 2026-08-16 18:58 | 639225027423459920 |
|
801 ms | 121.194.2.55 |
| 48 | 2026-08-16 18:42 | 639225017891613027 |
|
1295 ms | 121.194.2.55 |
| 47 | 2026-08-16 17:50 | 639224986298183527 |
|
566 ms | 121.194.2.55 |
| 46 | 2026-08-16 17:34 | 639224976567107023 |
|
1146 ms | 121.194.2.55 |
| 45 | 2026-08-16 17:17 | 639224966709723386 |
|
561 ms | 121.194.2.55 |
| 44 | 2026-08-16 17:01 | 639224957175756942 |
|
564 ms | 121.194.2.55 |
| 43 | 2026-08-16 16:09 | 639224925782379869 |
|
574 ms | 121.194.2.55 |
| 42 | 2026-08-16 15:53 | 639224916429532459 |
|
253 ms | 121.194.2.55 |
| 41 | 2026-08-16 15:37 | 639224906878325623 |
|
266 ms | 121.194.2.55 |
| 40 | 2026-08-16 15:21 | 639224897258974385 |
|
1346 ms | 121.194.2.55 |
| 39 | 2026-08-16 14:29 | 639224866169532828 |
|
569 ms | 121.194.2.55 |
| 38 | 2026-08-16 14:13 | 639224856561831915 |
|
294 ms | 121.194.2.55 |
| 37 | 2026-08-16 13:57 | 639224846830897794 |
|
491 ms | 121.194.2.55 |
| 36 | 2026-08-16 13:41 | 639224836975863283 |
|
536 ms | 121.194.2.55 |
| 35 | 2026-08-16 12:48 | 639224804985340946 |
|
268 ms | 121.194.2.55 |
| 34 | 2026-08-16 12:32 | 639224795567782333 |
|
266 ms | 121.194.2.55 |
| 33 | 2026-08-16 12:16 | 639224785914225250 |
|
285 ms | 121.194.2.55 |
| 32 | 2026-08-16 12:00 | 639224776383854998 |
|
265 ms | 121.194.2.55 |
| 31 | 2026-08-16 11:07 | 639224744252113993 |
|
281 ms | 121.194.2.55 |
| 30 | 2026-08-16 10:50 | 639224734238905542 |
|
530 ms | 121.194.2.55 |
| 29 | 2026-08-16 10:34 | 639224724335031221 |
|
286 ms | 121.194.2.55 |
| 28 | 2026-08-16 10:17 | 639224714475244430 |
|
287 ms | 121.194.2.55 |
| 27 | 2026-08-16 09:21 | 639224681063874153 |
|
570 ms | 121.194.2.55 |
| 26 | 2026-08-16 09:05 | 639224671038956665 |
|
1052 ms | 121.194.2.55 |
| 25 | 2026-08-16 08:48 | 639224661079806122 |
|
786 ms | 121.194.2.55 |
| 24 | 2026-08-16 08:32 | 639224651169993038 |
|
548 ms | 121.194.2.55 |
| 23 | 2026-08-16 07:37 | 639224618882283050 |
|
282 ms | 121.194.2.55 |
| 22 | 2026-08-16 07:22 | 639224609519965372 |
|
562 ms | 121.194.2.55 |
| 21 | 2026-08-16 07:06 | 639224599969658888 |
|
286 ms | 121.194.2.55 |
| 20 | 2026-08-16 06:50 | 639224590360343307 |
|
873 ms | 121.194.2.55 |
| 19 | 2026-08-16 05:57 | 639224558901831832 |
|
4 ms | 121.194.2.55 |
| 18 | 2026-08-16 05:42 | 639224549678210576 |
|
3 ms | 121.194.2.55 |
| 17 | 2026-08-16 05:26 | 639224540433420642 |
|
290 ms | 121.194.2.55 |
| 16 | 2026-08-16 05:11 | 639224531046032443 |
|
501 ms | 121.194.2.55 |
| 15 | 2026-08-16 04:18 | 639224499638024410 |
|
496 ms | 121.194.2.55 |
| 14 | 2026-08-16 04:03 | 639224490358783451 |
|
1113 ms | 121.194.2.55 |
| 13 | 2026-08-16 03:47 | 639224481111410545 |
|
527 ms | 121.194.2.55 |
| 12 | 2026-08-16 03:32 | 639224471809153772 |
|
1228 ms | 121.194.2.55 |
| 11 | 2026-08-16 02:39 | 639224440124457324 |
|
796 ms | 121.194.2.55 |
| 10 | 2026-08-16 02:24 | 639224430921105721 |
|
279 ms | 121.194.2.55 |
| 9 | 2026-08-16 02:08 | 639224421455433103 |
|
3 ms | 121.194.2.55 |
| 8 | 2026-08-16 01:53 | 639224412089740331 |
|
2 ms | 121.194.2.55 |
| 7 | 2026-08-16 01:37 | 639224403168392868 |
|
548 ms | 121.194.2.55 |
| 6 | 2026-08-16 01:22 | 639224393856251387 |
|
3 ms | 121.194.2.55 |
| 5 | 2026-08-16 01:06 | 639224384677141438 |
|
3 ms | 121.194.2.55 |
| 4 | 2026-08-16 00:51 | 639224375597986398 |
|
2 ms | 121.194.2.55 |
| 3 | 2026-08-16 00:36 | 639224366430296466 |
|
875 ms | 121.194.2.55 |
| 2 | 2026-08-16 00:21 | 639224357218176789 |
|
252 ms | 121.194.2.55 |
| 1 | 2026-08-16 00:05 | 639224347685767174 |
|
556 ms | 121.194.2.55 |