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 2026-08-17. For this date, NameServerHistory found 71 DNS check records, 71 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
71
Historical checks stored for this nameserver on selected date
Average Latency
437 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-17 23:44
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
71
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 2026-08-17 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 |
|---|---|---|---|---|---|
| 71 | 2026-08-17 23:44 | 639226062577647657 |
|
3 ms | 121.194.2.55 |
| 70 | 2026-08-17 22:51 | 639226031060857136 |
|
2 ms | 121.194.2.55 |
| 69 | 2026-08-17 22:35 | 639226021535117364 |
|
531 ms | 121.194.2.55 |
| 68 | 2026-08-17 22:19 | 639226011884237078 |
|
2 ms | 121.194.2.55 |
| 67 | 2026-08-17 22:03 | 639226002309299142 |
|
530 ms | 121.194.2.55 |
| 66 | 2026-08-17 21:47 | 639225992791784448 |
|
566 ms | 121.194.2.55 |
| 65 | 2026-08-17 21:31 | 639225983045271390 |
|
567 ms | 121.194.2.55 |
| 64 | 2026-08-17 21:15 | 639225973246293513 |
|
494 ms | 121.194.2.55 |
| 63 | 2026-08-17 20:59 | 639225963620186236 |
|
564 ms | 121.194.2.55 |
| 62 | 2026-08-17 20:43 | 639225953899183916 |
|
289 ms | 121.194.2.55 |
| 61 | 2026-08-17 20:27 | 639225944391528206 |
|
564 ms | 121.194.2.55 |
| 60 | 2026-08-17 20:10 | 639225934593254169 |
|
288 ms | 121.194.2.55 |
| 59 | 2026-08-17 19:54 | 639225924669984512 |
|
533 ms | 121.194.2.55 |
| 58 | 2026-08-17 19:01 | 639225893048561320 |
|
266 ms | 121.194.2.55 |
| 57 | 2026-08-17 18:45 | 639225883481298424 |
|
269 ms | 121.194.2.55 |
| 56 | 2026-08-17 18:29 | 639225873845394034 |
|
253 ms | 121.194.2.55 |
| 55 | 2026-08-17 18:13 | 639225864216078662 |
|
493 ms | 121.194.2.55 |
| 54 | 2026-08-17 17:57 | 639225854541857773 |
|
504 ms | 121.194.2.55 |
| 53 | 2026-08-17 17:41 | 639225844733604072 |
|
561 ms | 121.194.2.55 |
| 52 | 2026-08-17 17:24 | 639225835085229232 |
|
530 ms | 121.194.2.55 |
| 51 | 2026-08-17 17:08 | 639225825349373981 |
|
287 ms | 121.194.2.55 |
| 50 | 2026-08-17 16:52 | 639225815690604161 |
|
301 ms | 121.194.2.55 |
| 49 | 2026-08-17 16:36 | 639225805952472306 |
|
267 ms | 121.194.2.55 |
| 48 | 2026-08-17 16:20 | 639225796264729638 |
|
516 ms | 121.194.2.55 |
| 47 | 2026-08-17 16:04 | 639225786326499329 |
|
1044 ms | 121.194.2.55 |
| 46 | 2026-08-17 15:11 | 639225754798130711 |
|
1239 ms | 121.194.2.55 |
| 45 | 2026-08-17 14:55 | 639225745123193922 |
|
286 ms | 121.194.2.55 |
| 44 | 2026-08-17 14:38 | 639225735540597271 |
|
519 ms | 121.194.2.55 |
| 43 | 2026-08-17 14:22 | 639225725894857396 |
|
567 ms | 121.194.2.55 |
| 42 | 2026-08-17 14:06 | 639225716249606913 |
|
516 ms | 121.194.2.55 |
| 41 | 2026-08-17 13:50 | 639225706638238179 |
|
577 ms | 121.194.2.55 |
| 40 | 2026-08-17 13:34 | 639225696949691423 |
|
315 ms | 121.194.2.55 |
| 39 | 2026-08-17 13:18 | 639225687286186336 |
|
811 ms | 121.194.2.55 |
| 38 | 2026-08-17 13:02 | 639225677679573133 |
|
1505 ms | 121.194.2.55 |
| 37 | 2026-08-17 12:46 | 639225667957861024 |
|
317 ms | 121.194.2.55 |
| 36 | 2026-08-17 12:30 | 639225658298791618 |
|
263 ms | 121.194.2.55 |
| 35 | 2026-08-17 12:14 | 639225648583652785 |
|
264 ms | 121.194.2.55 |
| 34 | 2026-08-17 11:21 | 639225617000524308 |
|
507 ms | 121.194.2.55 |
| 33 | 2026-08-17 11:05 | 639225607668541600 |
|
770 ms | 121.194.2.55 |
| 32 | 2026-08-17 10:49 | 639225598117279238 |
|
254 ms | 121.194.2.55 |
| 31 | 2026-08-17 10:33 | 639225588751002710 |
|
3 ms | 121.194.2.55 |
| 30 | 2026-08-17 10:18 | 639225579295831051 |
|
500 ms | 121.194.2.55 |
| 29 | 2026-08-17 10:02 | 639225569761469940 |
|
547 ms | 121.194.2.55 |
| 28 | 2026-08-17 09:46 | 639225560161422333 |
|
318 ms | 121.194.2.55 |
| 27 | 2026-08-17 09:30 | 639225550739955565 |
|
262 ms | 121.194.2.55 |
| 26 | 2026-08-17 09:14 | 639225541125222426 |
|
514 ms | 121.194.2.55 |
| 25 | 2026-08-17 08:58 | 639225531526675983 |
|
258 ms | 121.194.2.55 |
| 24 | 2026-08-17 08:42 | 639225521915528222 |
|
558 ms | 121.194.2.55 |
| 23 | 2026-08-17 08:26 | 639225512148151789 |
|
266 ms | 121.194.2.55 |
| 22 | 2026-08-17 07:33 | 639225480786142412 |
|
266 ms | 121.194.2.55 |
| 21 | 2026-08-17 07:18 | 639225471394348551 |
|
527 ms | 121.194.2.55 |
| 20 | 2026-08-17 07:02 | 639225462031685068 |
|
539 ms | 121.194.2.55 |
| 19 | 2026-08-17 06:47 | 639225452639458328 |
|
537 ms | 121.194.2.55 |
| 18 | 2026-08-17 06:31 | 639225443300966543 |
|
3 ms | 121.194.2.55 |
| 17 | 2026-08-17 06:15 | 639225433880499379 |
|
3 ms | 121.194.2.55 |
| 16 | 2026-08-17 06:00 | 639225424395198277 |
|
545 ms | 121.194.2.55 |
| 15 | 2026-08-17 05:44 | 639225414744137487 |
|
3 ms | 121.194.2.55 |
| 14 | 2026-08-17 05:28 | 639225405186783164 |
|
3 ms | 121.194.2.55 |
| 13 | 2026-08-17 05:12 | 639225395563669822 |
|
529 ms | 121.194.2.55 |
| 12 | 2026-08-17 04:56 | 639225386076645158 |
|
528 ms | 121.194.2.55 |
| 11 | 2026-08-17 04:40 | 639225376620669704 |
|
270 ms | 121.194.2.55 |
| 10 | 2026-08-17 03:48 | 639225345580892706 |
|
277 ms | 121.194.2.55 |
| 9 | 2026-08-17 03:33 | 639225336207383710 |
|
3 ms | 121.194.2.55 |
| 8 | 2026-08-17 03:17 | 639225326726565001 |
|
573 ms | 121.194.2.55 |
| 7 | 2026-08-17 03:01 | 639225317249271010 |
|
554 ms | 121.194.2.55 |
| 6 | 2026-08-17 02:09 | 639225286280886044 |
|
284 ms | 121.194.2.55 |
| 5 | 2026-08-17 01:54 | 639225276872567548 |
|
512 ms | 121.194.2.55 |
| 4 | 2026-08-17 01:38 | 639225267353865348 |
|
531 ms | 121.194.2.55 |
| 3 | 2026-08-17 01:22 | 639225258033914248 |
|
760 ms | 121.194.2.55 |
| 2 | 2026-08-17 00:30 | 639225226652221583 |
|
1096 ms | 121.194.2.55 |
| 1 | 2026-08-17 00:14 | 639225217156387684 |
|
502 ms | 121.194.2.55 |