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 2026-08-08. For this date, NameServerHistory found 63 DNS check records, 63 successful responses, 0 failed responses, and 463 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
63
Historical checks stored for this nameserver on selected date
Average Latency
463 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-08 23:52
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
63
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 2026-08-08 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 |
|---|---|---|---|---|---|
| 63 | 2026-08-08 23:52 | 639218291874134258 |
|
448 ms | 121.194.2.55 |
| 62 | 2026-08-08 23:37 | 639218282817785496 |
|
1198 ms | 121.194.2.55 |
| 61 | 2026-08-08 22:46 | 639218252106422334 |
|
446 ms | 121.194.2.55 |
| 60 | 2026-08-08 22:31 | 639218243323944113 |
|
4 ms | 121.194.2.55 |
| 59 | 2026-08-08 22:16 | 639218234397020230 |
|
17 ms | 121.194.2.55 |
| 58 | 2026-08-08 22:01 | 639218225412858763 |
|
3 ms | 121.194.2.55 |
| 57 | 2026-08-08 21:09 | 639218194282616684 |
|
973 ms | 121.194.2.55 |
| 56 | 2026-08-08 20:54 | 639218185036989606 |
|
440 ms | 121.194.2.55 |
| 55 | 2026-08-08 20:39 | 639218175974363575 |
|
547 ms | 121.194.2.55 |
| 54 | 2026-08-08 20:24 | 639218166972644815 |
|
3 ms | 121.194.2.55 |
| 53 | 2026-08-08 19:32 | 639218135900313734 |
|
219 ms | 121.194.2.55 |
| 52 | 2026-08-08 19:17 | 639218127088470726 |
|
466 ms | 121.194.2.55 |
| 51 | 2026-08-08 19:02 | 639218118310406743 |
|
448 ms | 121.194.2.55 |
| 50 | 2026-08-08 18:48 | 639218109452520238 |
|
1585 ms | 121.194.2.55 |
| 49 | 2026-08-08 17:56 | 639218078440804962 |
|
228 ms | 121.194.2.55 |
| 48 | 2026-08-08 17:41 | 639218069827056995 |
|
551 ms | 121.194.2.55 |
| 47 | 2026-08-08 17:27 | 639218060928974999 |
|
443 ms | 121.194.2.55 |
| 46 | 2026-08-08 17:12 | 639218052072104591 |
|
510 ms | 121.194.2.55 |
| 45 | 2026-08-08 16:20 | 639218021131612993 |
|
220 ms | 121.194.2.55 |
| 44 | 2026-08-08 16:06 | 639218012544891033 |
|
470 ms | 121.194.2.55 |
| 43 | 2026-08-08 15:52 | 639218003733822367 |
|
5 ms | 121.194.2.55 |
| 42 | 2026-08-08 15:37 | 639217994998349201 |
|
682 ms | 121.194.2.55 |
| 41 | 2026-08-08 14:45 | 639217963788814319 |
|
1155 ms | 121.194.2.55 |
| 40 | 2026-08-08 14:30 | 639217955087396874 |
|
3 ms | 121.194.2.55 |
| 39 | 2026-08-08 14:16 | 639217946350294952 |
|
233 ms | 121.194.2.55 |
| 38 | 2026-08-08 14:01 | 639217937526020436 |
|
440 ms | 121.194.2.55 |
| 37 | 2026-08-08 13:10 | 639217906769667024 |
|
498 ms | 121.194.2.55 |
| 36 | 2026-08-08 12:56 | 639217898300938849 |
|
225 ms | 121.194.2.55 |
| 35 | 2026-08-08 12:41 | 639217889778639925 |
|
238 ms | 121.194.2.55 |
| 34 | 2026-08-08 12:27 | 639217881083065140 |
|
548 ms | 121.194.2.55 |
| 33 | 2026-08-08 11:36 | 639217850620659312 |
|
453 ms | 121.194.2.55 |
| 32 | 2026-08-08 11:22 | 639217841938624907 |
|
221 ms | 121.194.2.55 |
| 31 | 2026-08-08 11:08 | 639217833389546843 |
|
237 ms | 121.194.2.55 |
| 30 | 2026-08-08 10:53 | 639217824846173945 |
|
443 ms | 121.194.2.55 |
| 29 | 2026-08-08 10:02 | 639217793807292972 |
|
256 ms | 121.194.2.55 |
| 28 | 2026-08-08 09:47 | 639217785208951403 |
|
227 ms | 121.194.2.55 |
| 27 | 2026-08-08 09:33 | 639217776566534942 |
|
487 ms | 121.194.2.55 |
| 26 | 2026-08-08 09:19 | 639217767935139326 |
|
435 ms | 121.194.2.55 |
| 25 | 2026-08-08 08:27 | 639217737225367411 |
|
3 ms | 121.194.2.55 |
| 24 | 2026-08-08 08:13 | 639217728765093674 |
|
455 ms | 121.194.2.55 |
| 23 | 2026-08-08 07:59 | 639217720136905586 |
|
1132 ms | 121.194.2.55 |
| 22 | 2026-08-08 07:44 | 639217711410853004 |
|
310 ms | 121.194.2.55 |
| 21 | 2026-08-08 06:53 | 639217680275549698 |
|
9 ms | 121.194.2.55 |
| 20 | 2026-08-08 06:39 | 639217671340563867 |
|
3 ms | 121.194.2.55 |
| 19 | 2026-08-08 06:24 | 639217662739829952 |
|
263 ms | 121.194.2.55 |
| 18 | 2026-08-08 06:09 | 639217654129395144 |
|
537 ms | 121.194.2.55 |
| 17 | 2026-08-08 05:18 | 639217623690502934 |
|
271 ms | 121.194.2.55 |
| 16 | 2026-08-08 05:04 | 639217615180184169 |
|
3 ms | 121.194.2.55 |
| 15 | 2026-08-08 04:50 | 639217606737293244 |
|
268 ms | 121.194.2.55 |
| 14 | 2026-08-08 04:36 | 639217598089858483 |
|
529 ms | 121.194.2.55 |
| 13 | 2026-08-08 03:45 | 639217567343169140 |
|
9 ms | 121.194.2.55 |
| 12 | 2026-08-08 03:30 | 639217558743892856 |
|
530 ms | 121.194.2.55 |
| 11 | 2026-08-08 03:16 | 639217550069823359 |
|
267 ms | 121.194.2.55 |
| 10 | 2026-08-08 03:01 | 639217541571663863 |
|
10 ms | 121.194.2.55 |
| 9 | 2026-08-08 02:06 | 639217510598671918 |
|
269 ms | 121.194.2.55 |
| 8 | 2026-08-08 01:52 | 639217501853904641 |
|
282 ms | 121.194.2.55 |
| 7 | 2026-08-08 01:37 | 639217492857464038 |
|
1055 ms | 121.194.2.55 |
| 6 | 2026-08-08 01:22 | 639217483935810845 |
|
1039 ms | 121.194.2.55 |
| 5 | 2026-08-08 01:07 | 639217475281344873 |
|
3 ms | 121.194.2.55 |
| 4 | 2026-08-08 00:53 | 639217466591266473 |
|
2 ms | 121.194.2.55 |
| 3 | 2026-08-08 00:39 | 639217457842031506 |
|
540 ms | 121.194.2.55 |
| 2 | 2026-08-08 00:24 | 639217449192590684 |
|
326 ms | 121.194.2.55 |
| 1 | 2026-08-08 00:10 | 639217440385817840 |
|
5077 ms | 121.194.2.55 |