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 2026-08-14. For this date, NameServerHistory found 78 DNS check records, 78 successful responses, 0 failed responses, and 543 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
78
Historical checks stored for this nameserver on selected date
Average Latency
543 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-14 23:54
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
78
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 2026-08-14 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 |
|---|---|---|---|---|---|
| 78 | 2026-08-14 23:54 | 639223477272309567 |
|
530 ms | 121.194.2.55 |
| 77 | 2026-08-14 23:39 | 639223467876800215 |
|
299 ms | 121.194.2.55 |
| 76 | 2026-08-14 23:23 | 639223458466733344 |
|
526 ms | 121.194.2.55 |
| 75 | 2026-08-14 23:07 | 639223449196197019 |
|
497 ms | 121.194.2.55 |
| 74 | 2026-08-14 22:52 | 639223439729973302 |
|
532 ms | 121.194.2.55 |
| 73 | 2026-08-14 22:36 | 639223430298973377 |
|
4 ms | 121.194.2.55 |
| 72 | 2026-08-14 22:20 | 639223420812183061 |
|
283 ms | 121.194.2.55 |
| 71 | 2026-08-14 22:04 | 639223411307572360 |
|
4 ms | 121.194.2.55 |
| 70 | 2026-08-14 21:49 | 639223401895099116 |
|
574 ms | 121.194.2.55 |
| 69 | 2026-08-14 20:56 | 639223370328282191 |
|
530 ms | 121.194.2.55 |
| 68 | 2026-08-14 20:41 | 639223361156898888 |
|
1336 ms | 121.194.2.55 |
| 67 | 2026-08-14 20:25 | 639223351683501109 |
|
566 ms | 121.194.2.55 |
| 66 | 2026-08-14 20:09 | 639223342485908428 |
|
847 ms | 121.194.2.55 |
| 65 | 2026-08-14 19:54 | 639223333113923772 |
|
503 ms | 121.194.2.55 |
| 64 | 2026-08-14 19:38 | 639223323766820131 |
|
797 ms | 121.194.2.55 |
| 63 | 2026-08-14 19:23 | 639223314500774279 |
|
535 ms | 121.194.2.55 |
| 62 | 2026-08-14 19:07 | 639223305225877159 |
|
564 ms | 121.194.2.55 |
| 61 | 2026-08-14 18:52 | 639223295834845965 |
|
321 ms | 121.194.2.55 |
| 60 | 2026-08-14 18:36 | 639223286312006616 |
|
1054 ms | 121.194.2.55 |
| 59 | 2026-08-14 18:20 | 639223276659010988 |
|
1137 ms | 121.194.2.55 |
| 58 | 2026-08-14 18:04 | 639223267203892251 |
|
528 ms | 121.194.2.55 |
| 57 | 2026-08-14 17:11 | 639223235652723921 |
|
1057 ms | 121.194.2.55 |
| 56 | 2026-08-14 16:56 | 639223226156684619 |
|
527 ms | 121.194.2.55 |
| 55 | 2026-08-14 16:40 | 639223216737677817 |
|
527 ms | 121.194.2.55 |
| 54 | 2026-08-14 16:24 | 639223207303987036 |
|
527 ms | 121.194.2.55 |
| 53 | 2026-08-14 16:09 | 639223197972369650 |
|
1323 ms | 121.194.2.55 |
| 52 | 2026-08-14 15:53 | 639223188476518684 |
|
264 ms | 121.194.2.55 |
| 51 | 2026-08-14 15:37 | 639223179029668254 |
|
265 ms | 121.194.2.55 |
| 50 | 2026-08-14 15:21 | 639223169668684371 |
|
531 ms | 121.194.2.55 |
| 49 | 2026-08-14 15:06 | 639223160270013058 |
|
1627 ms | 121.194.2.55 |
| 48 | 2026-08-14 14:50 | 639223150848386507 |
|
529 ms | 121.194.2.55 |
| 47 | 2026-08-14 14:34 | 639223141514160124 |
|
561 ms | 121.194.2.55 |
| 46 | 2026-08-14 14:19 | 639223131908897269 |
|
568 ms | 121.194.2.55 |
| 45 | 2026-08-14 13:26 | 639223100084750932 |
|
544 ms | 121.194.2.55 |
| 44 | 2026-08-14 13:10 | 639223090744921973 |
|
514 ms | 121.194.2.55 |
| 43 | 2026-08-14 12:54 | 639223081343134137 |
|
1054 ms | 121.194.2.55 |
| 42 | 2026-08-14 12:39 | 639223071917003603 |
|
539 ms | 121.194.2.55 |
| 41 | 2026-08-14 12:23 | 639223062407395043 |
|
507 ms | 121.194.2.55 |
| 40 | 2026-08-14 12:07 | 639223052970600447 |
|
301 ms | 121.194.2.55 |
| 39 | 2026-08-14 11:51 | 639223043584242187 |
|
575 ms | 121.194.2.55 |
| 38 | 2026-08-14 11:36 | 639223034248611856 |
|
273 ms | 121.194.2.55 |
| 37 | 2026-08-14 11:20 | 639223024816175094 |
|
525 ms | 121.194.2.55 |
| 36 | 2026-08-14 11:04 | 639223015278211871 |
|
529 ms | 121.194.2.55 |
| 35 | 2026-08-14 10:48 | 639223005387568522 |
|
516 ms | 121.194.2.55 |
| 34 | 2026-08-14 10:32 | 639222995944735037 |
|
574 ms | 121.194.2.55 |
| 33 | 2026-08-14 09:39 | 639222964532402826 |
|
524 ms | 121.194.2.55 |
| 32 | 2026-08-14 09:24 | 639222955031971579 |
|
527 ms | 121.194.2.55 |
| 31 | 2026-08-14 09:08 | 639222945616352079 |
|
250 ms | 121.194.2.55 |
| 30 | 2026-08-14 08:52 | 639222936296615644 |
|
516 ms | 121.194.2.55 |
| 29 | 2026-08-14 08:37 | 639222926913151746 |
|
637 ms | 121.194.2.55 |
| 28 | 2026-08-14 08:21 | 639222917608375722 |
|
1284 ms | 121.194.2.55 |
| 27 | 2026-08-14 08:06 | 639222908294448500 |
|
265 ms | 121.194.2.55 |
| 26 | 2026-08-14 07:50 | 639222898918389753 |
|
3 ms | 121.194.2.55 |
| 25 | 2026-08-14 07:35 | 639222889625876211 |
|
561 ms | 121.194.2.55 |
| 24 | 2026-08-14 07:19 | 639222880353707528 |
|
4 ms | 121.194.2.55 |
| 23 | 2026-08-14 07:04 | 639222871065611259 |
|
527 ms | 121.194.2.55 |
| 22 | 2026-08-14 06:48 | 639222861517093112 |
|
529 ms | 121.194.2.55 |
| 21 | 2026-08-14 05:56 | 639222830182717637 |
|
624 ms | 121.194.2.55 |
| 20 | 2026-08-14 05:40 | 639222820714737422 |
|
500 ms | 121.194.2.55 |
| 19 | 2026-08-14 05:24 | 639222811404284741 |
|
2 ms | 121.194.2.55 |
| 18 | 2026-08-14 05:09 | 639222801994952240 |
|
532 ms | 121.194.2.55 |
| 17 | 2026-08-14 04:53 | 639222792581940911 |
|
3 ms | 121.194.2.55 |
| 16 | 2026-08-14 04:38 | 639222783296631220 |
|
498 ms | 121.194.2.55 |
| 15 | 2026-08-14 04:22 | 639222773909528001 |
|
2 ms | 121.194.2.55 |
| 14 | 2026-08-14 04:06 | 639222764574707991 |
|
2 ms | 121.194.2.55 |
| 13 | 2026-08-14 03:51 | 639222754982758281 |
|
567 ms | 121.194.2.55 |
| 12 | 2026-08-14 03:35 | 639222745650144239 |
|
570 ms | 121.194.2.55 |
| 11 | 2026-08-14 03:19 | 639222736060223018 |
|
573 ms | 121.194.2.55 |
| 10 | 2026-08-14 03:03 | 639222726529271510 |
|
574 ms | 121.194.2.55 |
| 9 | 2026-08-14 02:10 | 639222694791257846 |
|
585 ms | 121.194.2.55 |
| 8 | 2026-08-14 01:55 | 639222685350317820 |
|
804 ms | 121.194.2.55 |
| 7 | 2026-08-14 01:39 | 639222675895178560 |
|
512 ms | 121.194.2.55 |
| 6 | 2026-08-14 01:23 | 639222666344182743 |
|
1261 ms | 121.194.2.55 |
| 5 | 2026-08-14 01:07 | 639222656762316965 |
|
3 ms | 121.194.2.55 |
| 4 | 2026-08-14 00:51 | 639222647109404695 |
|
505 ms | 121.194.2.55 |
| 3 | 2026-08-14 00:35 | 639222637659944389 |
|
571 ms | 121.194.2.55 |
| 2 | 2026-08-14 00:19 | 639222628151417313 |
|
565 ms | 121.194.2.55 |
| 1 | 2026-08-14 00:03 | 639222618462620588 |
|
721 ms | 121.194.2.55 |