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 2026-08-22. For this date, NameServerHistory found 73 DNS check records, 73 successful responses, 0 failed responses, and 321 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
73
Historical checks stored for this nameserver on selected date
Average Latency
321 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-22 23:43
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
73
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 2026-08-22 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 |
|---|---|---|---|---|---|
| 73 | 2026-08-22 23:43 | 639230382051619327 |
|
495 ms | 121.194.2.55 |
| 72 | 2026-08-22 23:27 | 639230372323353529 |
|
505 ms | 121.194.2.55 |
| 71 | 2026-08-22 23:11 | 639230362586451064 |
|
3 ms | 121.194.2.55 |
| 70 | 2026-08-22 22:55 | 639230352793666303 |
|
2 ms | 121.194.2.55 |
| 69 | 2026-08-22 22:38 | 639230342775737758 |
|
2 ms | 121.194.2.55 |
| 68 | 2026-08-22 22:21 | 639230332639939561 |
|
2 ms | 121.194.2.55 |
| 67 | 2026-08-22 21:28 | 639230301014190104 |
|
250 ms | 121.194.2.55 |
| 66 | 2026-08-22 21:12 | 639230291048161498 |
|
256 ms | 121.194.2.55 |
| 65 | 2026-08-22 20:55 | 639230280894353664 |
|
531 ms | 121.194.2.55 |
| 64 | 2026-08-22 20:38 | 639230270699419073 |
|
508 ms | 121.194.2.55 |
| 63 | 2026-08-22 20:21 | 639230260248163050 |
|
254 ms | 121.194.2.55 |
| 62 | 2026-08-22 20:04 | 639230250122494282 |
|
532 ms | 121.194.2.55 |
| 61 | 2026-08-22 19:47 | 639230239972935046 |
|
265 ms | 121.194.2.55 |
| 60 | 2026-08-22 19:30 | 639230229963262464 |
|
520 ms | 121.194.2.55 |
| 59 | 2026-08-22 19:13 | 639230220033804658 |
|
266 ms | 121.194.2.55 |
| 58 | 2026-08-22 18:57 | 639230209891107289 |
|
268 ms | 121.194.2.55 |
| 57 | 2026-08-22 18:40 | 639230199630298717 |
|
530 ms | 121.194.2.55 |
| 56 | 2026-08-22 18:23 | 639230189301984150 |
|
530 ms | 121.194.2.55 |
| 55 | 2026-08-22 17:29 | 639230157138468804 |
|
1026 ms | 121.194.2.55 |
| 54 | 2026-08-22 17:12 | 639230146987869495 |
|
258 ms | 121.194.2.55 |
| 53 | 2026-08-22 16:55 | 639230136768638516 |
|
511 ms | 121.194.2.55 |
| 52 | 2026-08-22 16:38 | 639230126735907877 |
|
3 ms | 121.194.2.55 |
| 51 | 2026-08-22 16:21 | 639230116551187768 |
|
4 ms | 121.194.2.55 |
| 50 | 2026-08-22 16:04 | 639230106335615913 |
|
265 ms | 121.194.2.55 |
| 49 | 2026-08-22 15:47 | 639230096177758176 |
|
506 ms | 121.194.2.55 |
| 48 | 2026-08-22 15:30 | 639230086185999993 |
|
267 ms | 121.194.2.55 |
| 47 | 2026-08-22 15:14 | 639230076247854903 |
|
1023 ms | 121.194.2.55 |
| 46 | 2026-08-22 14:57 | 639230066076077530 |
|
531 ms | 121.194.2.55 |
| 45 | 2026-08-22 14:40 | 639230055738197328 |
|
281 ms | 121.194.2.55 |
| 44 | 2026-08-22 14:23 | 639230045411225521 |
|
757 ms | 121.194.2.55 |
| 43 | 2026-08-22 13:29 | 639230013046000470 |
|
520 ms | 121.194.2.55 |
| 42 | 2026-08-22 13:12 | 639230003090037878 |
|
293 ms | 121.194.2.55 |
| 41 | 2026-08-22 12:55 | 639229993008259475 |
|
265 ms | 121.194.2.55 |
| 40 | 2026-08-22 12:38 | 639229982909449470 |
|
518 ms | 121.194.2.55 |
| 39 | 2026-08-22 12:22 | 639229973035502212 |
|
7 ms | 121.194.2.55 |
| 38 | 2026-08-22 12:05 | 639229963064296145 |
|
532 ms | 121.194.2.55 |
| 37 | 2026-08-22 11:48 | 639229952996162143 |
|
256 ms | 121.194.2.55 |
| 36 | 2026-08-22 11:32 | 639229943051949195 |
|
255 ms | 121.194.2.55 |
| 35 | 2026-08-22 11:15 | 639229932919214934 |
|
265 ms | 121.194.2.55 |
| 34 | 2026-08-22 10:58 | 639229922745889838 |
|
4 ms | 121.194.2.55 |
| 33 | 2026-08-22 10:41 | 639229912587214796 |
|
4 ms | 121.194.2.55 |
| 32 | 2026-08-22 10:24 | 639229902240004454 |
|
1043 ms | 121.194.2.55 |
| 31 | 2026-08-22 09:31 | 639229870800501662 |
|
522 ms | 121.194.2.55 |
| 30 | 2026-08-22 09:15 | 639229861058384956 |
|
15 ms | 121.194.2.55 |
| 29 | 2026-08-22 08:59 | 639229851158592604 |
|
3 ms | 121.194.2.55 |
| 28 | 2026-08-22 08:42 | 639229841475569629 |
|
302 ms | 121.194.2.55 |
| 27 | 2026-08-22 08:26 | 639229831887658471 |
|
215 ms | 121.194.2.55 |
| 26 | 2026-08-22 08:10 | 639229822043670346 |
|
727 ms | 121.194.2.55 |
| 25 | 2026-08-22 07:54 | 639229812327913936 |
|
302 ms | 121.194.2.55 |
| 24 | 2026-08-22 07:38 | 639229802629488686 |
|
3 ms | 121.194.2.55 |
| 23 | 2026-08-22 07:21 | 639229793051447309 |
|
2 ms | 121.194.2.55 |
| 22 | 2026-08-22 07:05 | 639229783303531961 |
|
2 ms | 121.194.2.55 |
| 21 | 2026-08-22 06:49 | 639229773458051942 |
|
733 ms | 121.194.2.55 |
| 20 | 2026-08-22 06:32 | 639229763373848056 |
|
4 ms | 121.194.2.55 |
| 19 | 2026-08-22 05:40 | 639229732140622809 |
|
491 ms | 121.194.2.55 |
| 18 | 2026-08-22 05:24 | 639229722699695967 |
|
266 ms | 121.194.2.55 |
| 17 | 2026-08-22 05:08 | 639229713097498075 |
|
1897 ms | 121.194.2.55 |
| 16 | 2026-08-22 04:52 | 639229703543969637 |
|
3 ms | 121.194.2.55 |
| 15 | 2026-08-22 04:36 | 639229693970392873 |
|
3 ms | 121.194.2.55 |
| 14 | 2026-08-22 04:20 | 639229684277329469 |
|
290 ms | 121.194.2.55 |
| 13 | 2026-08-22 04:04 | 639229674501596661 |
|
3 ms | 121.194.2.55 |
| 12 | 2026-08-22 03:48 | 639229665064441147 |
|
265 ms | 121.194.2.55 |
| 11 | 2026-08-22 03:32 | 639229655507536872 |
|
3 ms | 121.194.2.55 |
| 10 | 2026-08-22 03:16 | 639229645849603111 |
|
297 ms | 121.194.2.55 |
| 9 | 2026-08-22 03:00 | 639229636090497453 |
|
302 ms | 121.194.2.55 |
| 8 | 2026-08-22 02:43 | 639229625978544281 |
|
307 ms | 121.194.2.55 |
| 7 | 2026-08-22 01:51 | 639229594644662176 |
|
3 ms | 121.194.2.55 |
| 6 | 2026-08-22 01:35 | 639229585214633065 |
|
601 ms | 121.194.2.55 |
| 5 | 2026-08-22 01:19 | 639229575581042175 |
|
8 ms | 121.194.2.55 |
| 4 | 2026-08-22 01:03 | 639229565912268962 |
|
503 ms | 121.194.2.55 |
| 3 | 2026-08-22 00:47 | 639229556237813203 |
|
3 ms | 121.194.2.55 |
| 2 | 2026-08-22 00:31 | 639229546625802518 |
|
4 ms | 121.194.2.55 |
| 1 | 2026-08-22 00:15 | 639229537172016621 |
|
238 ms | 121.194.2.55 |