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 2026-08-18. For this date, NameServerHistory found 76 DNS check records, 76 successful responses, 0 failed responses, and 437 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
437 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-18 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
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 2026-08-18 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 | 2026-08-18 23:58 | 639226935204800669 |
|
4 ms | 121.194.2.55 |
| 75 | 2026-08-18 23:42 | 639226925298919497 |
|
569 ms | 121.194.2.55 |
| 74 | 2026-08-18 23:26 | 639226915487885053 |
|
571 ms | 121.194.2.55 |
| 73 | 2026-08-18 23:09 | 639226905465760034 |
|
497 ms | 121.194.2.55 |
| 72 | 2026-08-18 22:52 | 639226895378104692 |
|
266 ms | 121.194.2.55 |
| 71 | 2026-08-18 21:59 | 639226863374232622 |
|
3 ms | 121.194.2.55 |
| 70 | 2026-08-18 21:43 | 639226853698516058 |
|
525 ms | 121.194.2.55 |
| 69 | 2026-08-18 21:26 | 639226843797360601 |
|
507 ms | 121.194.2.55 |
| 68 | 2026-08-18 21:10 | 639226834046588155 |
|
1010 ms | 121.194.2.55 |
| 67 | 2026-08-18 20:53 | 639226824234488533 |
|
566 ms | 121.194.2.55 |
| 66 | 2026-08-18 20:37 | 639226814549928621 |
|
570 ms | 121.194.2.55 |
| 65 | 2026-08-18 20:21 | 639226804721432353 |
|
694 ms | 121.194.2.55 |
| 64 | 2026-08-18 20:05 | 639226795048828184 |
|
536 ms | 121.194.2.55 |
| 63 | 2026-08-18 19:48 | 639226785202482420 |
|
266 ms | 121.194.2.55 |
| 62 | 2026-08-18 19:32 | 639226775309362607 |
|
308 ms | 121.194.2.55 |
| 61 | 2026-08-18 19:15 | 639226765406586155 |
|
1057 ms | 121.194.2.55 |
| 60 | 2026-08-18 18:59 | 639226755437790519 |
|
772 ms | 121.194.2.55 |
| 59 | 2026-08-18 18:06 | 639226723856194457 |
|
498 ms | 121.194.2.55 |
| 58 | 2026-08-18 17:50 | 639226714050583422 |
|
513 ms | 121.194.2.55 |
| 57 | 2026-08-18 17:33 | 639226704236499724 |
|
267 ms | 121.194.2.55 |
| 56 | 2026-08-18 17:17 | 639226694184520163 |
|
257 ms | 121.194.2.55 |
| 55 | 2026-08-18 17:00 | 639226684161203477 |
|
267 ms | 121.194.2.55 |
| 54 | 2026-08-18 16:44 | 639226674305430109 |
|
585 ms | 121.194.2.55 |
| 53 | 2026-08-18 16:27 | 639226664489607984 |
|
5 ms | 121.194.2.55 |
| 52 | 2026-08-18 16:11 | 639226654533111667 |
|
263 ms | 121.194.2.55 |
| 51 | 2026-08-18 15:54 | 639226644778594725 |
|
250 ms | 121.194.2.55 |
| 50 | 2026-08-18 15:38 | 639226634901553621 |
|
510 ms | 121.194.2.55 |
| 49 | 2026-08-18 15:21 | 639226624921864967 |
|
507 ms | 121.194.2.55 |
| 48 | 2026-08-18 15:05 | 639226614939419403 |
|
262 ms | 121.194.2.55 |
| 47 | 2026-08-18 14:11 | 639226583021074771 |
|
587 ms | 121.194.2.55 |
| 46 | 2026-08-18 13:55 | 639226573279933585 |
|
576 ms | 121.194.2.55 |
| 45 | 2026-08-18 13:39 | 639226563494036301 |
|
549 ms | 121.194.2.55 |
| 44 | 2026-08-18 13:22 | 639226553708216256 |
|
529 ms | 121.194.2.55 |
| 43 | 2026-08-18 13:06 | 639226544003734815 |
|
1075 ms | 121.194.2.55 |
| 42 | 2026-08-18 12:50 | 639226534105733155 |
|
771 ms | 121.194.2.55 |
| 41 | 2026-08-18 12:33 | 639226524298118898 |
|
529 ms | 121.194.2.55 |
| 40 | 2026-08-18 12:17 | 639226514525195335 |
|
1537 ms | 121.194.2.55 |
| 39 | 2026-08-18 12:01 | 639226504703635320 |
|
561 ms | 121.194.2.55 |
| 38 | 2026-08-18 11:44 | 639226494737271720 |
|
286 ms | 121.194.2.55 |
| 37 | 2026-08-18 11:28 | 639226485005027236 |
|
528 ms | 121.194.2.55 |
| 36 | 2026-08-18 11:11 | 639226475133236105 |
|
256 ms | 121.194.2.55 |
| 35 | 2026-08-18 10:18 | 639226442975077052 |
|
269 ms | 121.194.2.55 |
| 34 | 2026-08-18 10:02 | 639226433317932039 |
|
258 ms | 121.194.2.55 |
| 33 | 2026-08-18 09:45 | 639226423688431096 |
|
532 ms | 121.194.2.55 |
| 32 | 2026-08-18 09:29 | 639226413998250045 |
|
286 ms | 121.194.2.55 |
| 31 | 2026-08-18 09:13 | 639226404284554875 |
|
7 ms | 121.194.2.55 |
| 30 | 2026-08-18 08:57 | 639226394637043309 |
|
3 ms | 121.194.2.55 |
| 29 | 2026-08-18 08:41 | 639226385052447582 |
|
283 ms | 121.194.2.55 |
| 28 | 2026-08-18 08:25 | 639226375506189603 |
|
2 ms | 121.194.2.55 |
| 27 | 2026-08-18 08:09 | 639226365690646426 |
|
529 ms | 121.194.2.55 |
| 26 | 2026-08-18 07:53 | 639226355771007701 |
|
1309 ms | 121.194.2.55 |
| 25 | 2026-08-18 07:36 | 639226345946269369 |
|
2 ms | 121.194.2.55 |
| 24 | 2026-08-18 07:20 | 639226336241601848 |
|
262 ms | 121.194.2.55 |
| 23 | 2026-08-18 06:27 | 639226304950675290 |
|
3 ms | 121.194.2.55 |
| 22 | 2026-08-18 06:12 | 639226295324754616 |
|
2 ms | 121.194.2.55 |
| 21 | 2026-08-18 05:56 | 639226285824640601 |
|
268 ms | 121.194.2.55 |
| 20 | 2026-08-18 05:40 | 639226276321223917 |
|
2 ms | 121.194.2.55 |
| 19 | 2026-08-18 05:24 | 639226266800200046 |
|
3 ms | 121.194.2.55 |
| 18 | 2026-08-18 05:08 | 639226256958066164 |
|
1135 ms | 121.194.2.55 |
| 17 | 2026-08-18 04:52 | 639226247432364597 |
|
527 ms | 121.194.2.55 |
| 16 | 2026-08-18 04:36 | 639226237703388552 |
|
288 ms | 121.194.2.55 |
| 15 | 2026-08-18 04:19 | 639226227937569589 |
|
547 ms | 121.194.2.55 |
| 14 | 2026-08-18 04:03 | 639226218052465471 |
|
268 ms | 121.194.2.55 |
| 13 | 2026-08-18 03:47 | 639226208429623997 |
|
2258 ms | 121.194.2.55 |
| 12 | 2026-08-18 03:31 | 639226198800675295 |
|
265 ms | 121.194.2.55 |
| 11 | 2026-08-18 02:39 | 639226167722042574 |
|
253 ms | 121.194.2.55 |
| 10 | 2026-08-18 02:23 | 639226158277924383 |
|
502 ms | 121.194.2.55 |
| 9 | 2026-08-18 02:07 | 639226148757810592 |
|
558 ms | 121.194.2.55 |
| 8 | 2026-08-18 01:51 | 639226139348611045 |
|
3 ms | 121.194.2.55 |
| 7 | 2026-08-18 01:36 | 639226129823462907 |
|
17 ms | 121.194.2.55 |
| 6 | 2026-08-18 01:20 | 639226120218260005 |
|
3 ms | 121.194.2.55 |
| 5 | 2026-08-18 01:04 | 639226110875503904 |
|
305 ms | 121.194.2.55 |
| 4 | 2026-08-18 00:48 | 639226101376311912 |
|
266 ms | 121.194.2.55 |
| 3 | 2026-08-18 00:32 | 639226091924943492 |
|
509 ms | 121.194.2.55 |
| 2 | 2026-08-18 00:17 | 639226082133158124 |
|
3 ms | 121.194.2.55 |
| 1 | 2026-08-18 00:00 | 639226072268080268 |
|
787 ms | 121.194.2.55 |