History for ns1.cernet.com
Domain: cernet.com • Tracking since 2026-08-04 23:25 UTC
DNS response history for ns1.cernet.com
ns1.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 2026-08-25. For this date, NameServerHistory found 69 DNS check records, 69 successful responses, 0 failed responses, and 700 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 ns1.cernet.com.
Records on Selected Date
69
Historical checks stored for this nameserver on selected date
Average Latency
700 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-25 23:45
All timestamps shown in UTC
Latest Resolved IP on Selected Date
121.194.2.51
Most recently resolved hosting IP on selected date
Successful Responses
69
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 ns1.cernet.com
Showing DNS history for 2026-08-25 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 |
|---|---|---|---|---|---|
| 69 | 2026-08-25 23:45 | 639232974980190573 |
|
999 ms | 121.194.2.51 |
| 68 | 2026-08-25 23:28 | 639232964577050707 |
|
516 ms | 121.194.2.51 |
| 67 | 2026-08-25 22:34 | 639232932163142799 |
|
555 ms | 121.194.2.51 |
| 66 | 2026-08-25 22:17 | 639232921673215474 |
|
1033 ms | 121.194.2.51 |
| 65 | 2026-08-25 21:59 | 639232911234504639 |
|
1017 ms | 121.194.2.51 |
| 64 | 2026-08-25 21:42 | 639232900747078453 |
|
550 ms | 121.194.2.51 |
| 63 | 2026-08-25 21:24 | 639232890389222534 |
|
552 ms | 121.194.2.51 |
| 62 | 2026-08-25 21:07 | 639232880143390843 |
|
553 ms | 121.194.2.51 |
| 61 | 2026-08-25 20:50 | 639232869755024069 |
|
534 ms | 121.194.2.51 |
| 60 | 2026-08-25 20:33 | 639232859355940346 |
|
506 ms | 121.194.2.51 |
| 59 | 2026-08-25 20:15 | 639232848992244953 |
|
542 ms | 121.194.2.51 |
| 58 | 2026-08-25 19:58 | 639232838596478500 |
|
533 ms | 121.194.2.51 |
| 57 | 2026-08-25 19:41 | 639232828175327683 |
|
577 ms | 121.194.2.51 |
| 56 | 2026-08-25 19:23 | 639232817798330473 |
|
555 ms | 121.194.2.51 |
| 55 | 2026-08-25 18:29 | 639232785462407552 |
|
531 ms | 121.194.2.51 |
| 54 | 2026-08-25 18:12 | 639232775177487032 |
|
518 ms | 121.194.2.51 |
| 53 | 2026-08-25 17:55 | 639232764991087115 |
|
509 ms | 121.194.2.51 |
| 52 | 2026-08-25 17:38 | 639232754842971478 |
|
1342 ms | 121.194.2.51 |
| 51 | 2026-08-25 17:21 | 639232744455159107 |
|
774 ms | 121.194.2.51 |
| 50 | 2026-08-25 17:04 | 639232734145178231 |
|
536 ms | 121.194.2.51 |
| 49 | 2026-08-25 16:47 | 639232723827874402 |
|
535 ms | 121.194.2.51 |
| 48 | 2026-08-25 16:30 | 639232713533011892 |
|
642 ms | 121.194.2.51 |
| 47 | 2026-08-25 16:12 | 639232703065318207 |
|
1429 ms | 121.194.2.51 |
| 46 | 2026-08-25 15:55 | 639232692629559470 |
|
522 ms | 121.194.2.51 |
| 45 | 2026-08-25 15:37 | 639232682238836475 |
|
1015 ms | 121.194.2.51 |
| 44 | 2026-08-25 15:20 | 639232671787004306 |
|
1269 ms | 121.194.2.51 |
| 43 | 2026-08-25 14:25 | 639232638994329666 |
|
551 ms | 121.194.2.51 |
| 42 | 2026-08-25 14:08 | 639232628614783237 |
|
578 ms | 121.194.2.51 |
| 41 | 2026-08-25 13:51 | 639232618360728578 |
|
3 ms | 121.194.2.51 |
| 40 | 2026-08-25 13:34 | 639232608016476376 |
|
1131 ms | 121.194.2.51 |
| 39 | 2026-08-25 13:16 | 639232597643611557 |
|
1370 ms | 121.194.2.51 |
| 38 | 2026-08-25 12:59 | 639232587225721862 |
|
867 ms | 121.194.2.51 |
| 37 | 2026-08-25 12:42 | 639232576780683689 |
|
532 ms | 121.194.2.51 |
| 36 | 2026-08-25 12:24 | 639232566381512620 |
|
549 ms | 121.194.2.51 |
| 35 | 2026-08-25 12:07 | 639232556111768563 |
|
537 ms | 121.194.2.51 |
| 34 | 2026-08-25 11:50 | 639232545839529039 |
|
549 ms | 121.194.2.51 |
| 33 | 2026-08-25 11:33 | 639232535349285207 |
|
1308 ms | 121.194.2.51 |
| 32 | 2026-08-25 11:15 | 639232524938080723 |
|
838 ms | 121.194.2.51 |
| 31 | 2026-08-25 10:22 | 639232492740373468 |
|
530 ms | 121.194.2.51 |
| 30 | 2026-08-25 10:04 | 639232482235303141 |
|
533 ms | 121.194.2.51 |
| 29 | 2026-08-25 09:47 | 639232471861770303 |
|
534 ms | 121.194.2.51 |
| 28 | 2026-08-25 09:30 | 639232461630217327 |
|
1402 ms | 121.194.2.51 |
| 27 | 2026-08-25 09:12 | 639232451282965990 |
|
571 ms | 121.194.2.51 |
| 26 | 2026-08-25 08:55 | 639232440814614938 |
|
1150 ms | 121.194.2.51 |
| 25 | 2026-08-25 08:38 | 639232430410720425 |
|
1526 ms | 121.194.2.51 |
| 24 | 2026-08-25 08:20 | 639232420003096185 |
|
567 ms | 121.194.2.51 |
| 23 | 2026-08-25 08:03 | 639232409467287444 |
|
286 ms | 121.194.2.51 |
| 22 | 2026-08-25 07:46 | 639232399077195997 |
|
558 ms | 121.194.2.51 |
| 21 | 2026-08-25 07:28 | 639232388731528337 |
|
547 ms | 121.194.2.51 |
| 20 | 2026-08-25 07:11 | 639232378288598612 |
|
539 ms | 121.194.2.51 |
| 19 | 2026-08-25 06:17 | 639232346196373643 |
|
532 ms | 121.194.2.51 |
| 18 | 2026-08-25 06:00 | 639232336112370741 |
|
24 ms | 121.194.2.51 |
| 17 | 2026-08-25 05:44 | 639232326146508970 |
|
535 ms | 121.194.2.51 |
| 16 | 2026-08-25 05:27 | 639232316189381720 |
|
4 ms | 121.194.2.51 |
| 15 | 2026-08-25 05:10 | 639232306217998913 |
|
569 ms | 121.194.2.51 |
| 14 | 2026-08-25 04:54 | 639232296255744174 |
|
536 ms | 121.194.2.51 |
| 13 | 2026-08-25 04:37 | 639232286095760789 |
|
570 ms | 121.194.2.51 |
| 12 | 2026-08-25 04:20 | 639232276086186273 |
|
1069 ms | 121.194.2.51 |
| 11 | 2026-08-25 04:03 | 639232265900986425 |
|
1039 ms | 121.194.2.51 |
| 10 | 2026-08-25 03:46 | 639232255723518075 |
|
1059 ms | 121.194.2.51 |
| 9 | 2026-08-25 03:29 | 639232245484452890 |
|
529 ms | 121.194.2.51 |
| 8 | 2026-08-25 03:12 | 639232235157175331 |
|
499 ms | 121.194.2.51 |
| 7 | 2026-08-25 02:19 | 639232203197189095 |
|
531 ms | 121.194.2.51 |
| 6 | 2026-08-25 02:02 | 639232192844564298 |
|
500 ms | 121.194.2.51 |
| 5 | 2026-08-25 01:45 | 639232182496008942 |
|
1283 ms | 121.194.2.51 |
| 4 | 2026-08-25 01:27 | 639232172197053132 |
|
740 ms | 121.194.2.51 |
| 3 | 2026-08-25 00:34 | 639232140250307418 |
|
974 ms | 121.194.2.51 |
| 2 | 2026-08-25 00:17 | 639232129927860324 |
|
567 ms | 121.194.2.51 |
| 1 | 2026-08-25 00:00 | 639232119551972438 |
|
535 ms | 121.194.2.51 |