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 2026-08-15. For this date, NameServerHistory found 76 DNS check records, 76 successful responses, 0 failed responses, and 473 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
76
Historical checks stored for this nameserver on selected date
Average Latency
473 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-15 23:49
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
76
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 2026-08-15 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 |
|---|---|---|---|---|---|
| 76 | 2026-08-15 23:49 | 639224338276675277 |
|
496 ms | 121.194.2.55 |
| 75 | 2026-08-15 22:57 | 639224306594546649 |
|
3 ms | 121.194.2.55 |
| 74 | 2026-08-15 22:41 | 639224297145423303 |
|
248 ms | 121.194.2.55 |
| 73 | 2026-08-15 22:25 | 639224287678238833 |
|
502 ms | 121.194.2.55 |
| 72 | 2026-08-15 22:10 | 639224278490872828 |
|
583 ms | 121.194.2.55 |
| 71 | 2026-08-15 21:54 | 639224269149307826 |
|
3 ms | 121.194.2.55 |
| 70 | 2026-08-15 21:39 | 639224259868597616 |
|
547 ms | 121.194.2.55 |
| 69 | 2026-08-15 21:23 | 639224250518642175 |
|
253 ms | 121.194.2.55 |
| 68 | 2026-08-15 21:08 | 639224241064772383 |
|
529 ms | 121.194.2.55 |
| 67 | 2026-08-15 20:52 | 639224231691099605 |
|
3 ms | 121.194.2.55 |
| 66 | 2026-08-15 20:36 | 639224222468168159 |
|
301 ms | 121.194.2.55 |
| 65 | 2026-08-15 20:21 | 639224213173899635 |
|
3 ms | 121.194.2.55 |
| 64 | 2026-08-15 20:05 | 639224203914451783 |
|
506 ms | 121.194.2.55 |
| 63 | 2026-08-15 19:12 | 639224172202542163 |
|
1460 ms | 121.194.2.55 |
| 62 | 2026-08-15 18:57 | 639224163338654093 |
|
531 ms | 121.194.2.55 |
| 61 | 2026-08-15 18:43 | 639224154287995374 |
|
2272 ms | 121.194.2.55 |
| 60 | 2026-08-15 18:27 | 639224145118612503 |
|
296 ms | 121.194.2.55 |
| 59 | 2026-08-15 18:12 | 639224135995990731 |
|
4 ms | 121.194.2.55 |
| 58 | 2026-08-15 17:57 | 639224127185332624 |
|
3 ms | 121.194.2.55 |
| 57 | 2026-08-15 17:42 | 639224118229289175 |
|
553 ms | 121.194.2.55 |
| 56 | 2026-08-15 17:27 | 639224109273796359 |
|
4 ms | 121.194.2.55 |
| 55 | 2026-08-15 17:12 | 639224100490805608 |
|
3 ms | 121.194.2.55 |
| 54 | 2026-08-15 16:58 | 639224091353714490 |
|
526 ms | 121.194.2.55 |
| 53 | 2026-08-15 16:42 | 639224082033126828 |
|
793 ms | 121.194.2.55 |
| 52 | 2026-08-15 16:27 | 639224072736962403 |
|
285 ms | 121.194.2.55 |
| 51 | 2026-08-15 15:34 | 639224041475563754 |
|
517 ms | 121.194.2.55 |
| 50 | 2026-08-15 15:19 | 639224032345604453 |
|
268 ms | 121.194.2.55 |
| 49 | 2026-08-15 15:04 | 639224023169497283 |
|
2 ms | 121.194.2.55 |
| 48 | 2026-08-15 14:49 | 639224013981146405 |
|
3 ms | 121.194.2.55 |
| 47 | 2026-08-15 14:33 | 639224004883412586 |
|
3 ms | 121.194.2.55 |
| 46 | 2026-08-15 14:18 | 639223995612880615 |
|
1084 ms | 121.194.2.55 |
| 45 | 2026-08-15 14:03 | 639223986271830789 |
|
2 ms | 121.194.2.55 |
| 44 | 2026-08-15 13:47 | 639223977005780949 |
|
2 ms | 121.194.2.55 |
| 43 | 2026-08-15 13:32 | 639223967653137793 |
|
587 ms | 121.194.2.55 |
| 42 | 2026-08-15 13:16 | 639223958286010799 |
|
1077 ms | 121.194.2.55 |
| 41 | 2026-08-15 13:00 | 639223948936108345 |
|
264 ms | 121.194.2.55 |
| 40 | 2026-08-15 12:45 | 639223939673066880 |
|
528 ms | 121.194.2.55 |
| 39 | 2026-08-15 11:52 | 639223908317760530 |
|
1291 ms | 121.194.2.55 |
| 38 | 2026-08-15 11:37 | 639223898992594258 |
|
2 ms | 121.194.2.55 |
| 37 | 2026-08-15 11:22 | 639223889761312823 |
|
529 ms | 121.194.2.55 |
| 36 | 2026-08-15 11:06 | 639223880359273507 |
|
511 ms | 121.194.2.55 |
| 35 | 2026-08-15 10:50 | 639223870920466808 |
|
574 ms | 121.194.2.55 |
| 34 | 2026-08-15 10:35 | 639223861579762179 |
|
525 ms | 121.194.2.55 |
| 33 | 2026-08-15 10:19 | 639223852238616009 |
|
572 ms | 121.194.2.55 |
| 32 | 2026-08-15 10:04 | 639223843019815620 |
|
281 ms | 121.194.2.55 |
| 31 | 2026-08-15 09:48 | 639223833669915012 |
|
1142 ms | 121.194.2.55 |
| 30 | 2026-08-15 09:33 | 639223824494613222 |
|
291 ms | 121.194.2.55 |
| 29 | 2026-08-15 09:17 | 639223815116325293 |
|
287 ms | 121.194.2.55 |
| 28 | 2026-08-15 09:02 | 639223805493870221 |
|
1076 ms | 121.194.2.55 |
| 27 | 2026-08-15 08:09 | 639223774218660438 |
|
3 ms | 121.194.2.55 |
| 26 | 2026-08-15 07:54 | 639223764663090372 |
|
294 ms | 121.194.2.55 |
| 25 | 2026-08-15 07:38 | 639223755338811400 |
|
1127 ms | 121.194.2.55 |
| 24 | 2026-08-15 07:22 | 639223746019193268 |
|
566 ms | 121.194.2.55 |
| 23 | 2026-08-15 07:07 | 639223736658778104 |
|
524 ms | 121.194.2.55 |
| 22 | 2026-08-15 06:51 | 639223727330194499 |
|
1134 ms | 121.194.2.55 |
| 21 | 2026-08-15 06:35 | 639223717848514742 |
|
627 ms | 121.194.2.55 |
| 20 | 2026-08-15 06:20 | 639223708284754056 |
|
528 ms | 121.194.2.55 |
| 19 | 2026-08-15 06:04 | 639223699061259933 |
|
3 ms | 121.194.2.55 |
| 18 | 2026-08-15 05:48 | 639223689592545140 |
|
3 ms | 121.194.2.55 |
| 17 | 2026-08-15 05:32 | 639223680143410810 |
|
3 ms | 121.194.2.55 |
| 16 | 2026-08-15 05:17 | 639223670514517104 |
|
265 ms | 121.194.2.55 |
| 15 | 2026-08-15 04:24 | 639223638855054294 |
|
237 ms | 121.194.2.55 |
| 14 | 2026-08-15 04:08 | 639223629623335972 |
|
3 ms | 121.194.2.55 |
| 13 | 2026-08-15 03:53 | 639223620390189495 |
|
3 ms | 121.194.2.55 |
| 12 | 2026-08-15 03:37 | 639223610916950440 |
|
2 ms | 121.194.2.55 |
| 11 | 2026-08-15 03:22 | 639223601597759168 |
|
592 ms | 121.194.2.55 |
| 10 | 2026-08-15 03:06 | 639223592342172093 |
|
565 ms | 121.194.2.55 |
| 9 | 2026-08-15 02:51 | 639223583324121497 |
|
4 ms | 121.194.2.55 |
| 8 | 2026-08-15 02:36 | 639223574086714218 |
|
1687 ms | 121.194.2.55 |
| 7 | 2026-08-15 02:20 | 639223564698424889 |
|
561 ms | 121.194.2.55 |
| 6 | 2026-08-15 02:04 | 639223555408664206 |
|
569 ms | 121.194.2.55 |
| 5 | 2026-08-15 01:49 | 639223546000912416 |
|
1497 ms | 121.194.2.55 |
| 4 | 2026-08-15 01:33 | 639223536550774847 |
|
571 ms | 121.194.2.55 |
| 3 | 2026-08-15 00:40 | 639223505017205611 |
|
562 ms | 121.194.2.55 |
| 2 | 2026-08-15 00:25 | 639223495784410207 |
|
569 ms | 121.194.2.55 |
| 1 | 2026-08-15 00:10 | 639223486524583054 |
|
1288 ms | 121.194.2.55 |