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 2026-08-10. For this date, NameServerHistory found 81 DNS check records, 81 successful responses, 0 failed responses, and 552 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
81
Historical checks stored for this nameserver on selected date
Average Latency
552 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-10 23:49
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
81
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 2026-08-10 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 |
|---|---|---|---|---|---|
| 81 | 2026-08-10 23:49 | 639220018272941900 |
|
567 ms | 121.194.2.55 |
| 80 | 2026-08-10 23:34 | 639220009109892969 |
|
558 ms | 121.194.2.55 |
| 79 | 2026-08-10 23:19 | 639220000040489788 |
|
569 ms | 121.194.2.55 |
| 78 | 2026-08-10 23:04 | 639219991197135747 |
|
284 ms | 121.194.2.55 |
| 77 | 2026-08-10 22:49 | 639219982104540014 |
|
1130 ms | 121.194.2.55 |
| 76 | 2026-08-10 22:34 | 639219973150300215 |
|
567 ms | 121.194.2.55 |
| 75 | 2026-08-10 22:19 | 639219964188486697 |
|
1759 ms | 121.194.2.55 |
| 74 | 2026-08-10 22:04 | 639219954995921784 |
|
288 ms | 121.194.2.55 |
| 73 | 2026-08-10 21:49 | 639219945559908104 |
|
627 ms | 121.194.2.55 |
| 72 | 2026-08-10 20:56 | 639219914137782273 |
|
525 ms | 121.194.2.55 |
| 71 | 2026-08-10 20:41 | 639219904858355064 |
|
1049 ms | 121.194.2.55 |
| 70 | 2026-08-10 20:25 | 639219895655263396 |
|
528 ms | 121.194.2.55 |
| 69 | 2026-08-10 20:10 | 639219886527091074 |
|
529 ms | 121.194.2.55 |
| 68 | 2026-08-10 19:55 | 639219877343266628 |
|
507 ms | 121.194.2.55 |
| 67 | 2026-08-10 19:39 | 639219868177358195 |
|
789 ms | 121.194.2.55 |
| 66 | 2026-08-10 19:24 | 639219859159581515 |
|
526 ms | 121.194.2.55 |
| 65 | 2026-08-10 19:09 | 639219850124020182 |
|
525 ms | 121.194.2.55 |
| 64 | 2026-08-10 18:54 | 639219840940124840 |
|
527 ms | 121.194.2.55 |
| 63 | 2026-08-10 18:38 | 639219831829876486 |
|
1423 ms | 121.194.2.55 |
| 62 | 2026-08-10 18:23 | 639219822587759143 |
|
794 ms | 121.194.2.55 |
| 61 | 2026-08-10 18:08 | 639219813247114428 |
|
553 ms | 121.194.2.55 |
| 60 | 2026-08-10 17:16 | 639219781959606396 |
|
4 ms | 121.194.2.55 |
| 59 | 2026-08-10 17:00 | 639219772658305431 |
|
428 ms | 121.194.2.55 |
| 58 | 2026-08-10 16:45 | 639219763454523027 |
|
432 ms | 121.194.2.55 |
| 57 | 2026-08-10 16:29 | 639219754279127815 |
|
428 ms | 121.194.2.55 |
| 56 | 2026-08-10 16:14 | 639219745087467767 |
|
512 ms | 121.194.2.55 |
| 55 | 2026-08-10 15:59 | 639219735900678107 |
|
525 ms | 121.194.2.55 |
| 54 | 2026-08-10 15:43 | 639219726531461979 |
|
1191 ms | 121.194.2.55 |
| 53 | 2026-08-10 15:28 | 639219717415222156 |
|
908 ms | 121.194.2.55 |
| 52 | 2026-08-10 15:13 | 639219708266470863 |
|
428 ms | 121.194.2.55 |
| 51 | 2026-08-10 14:57 | 639219699049479559 |
|
732 ms | 121.194.2.55 |
| 50 | 2026-08-10 14:42 | 639219689775815194 |
|
452 ms | 121.194.2.55 |
| 49 | 2026-08-10 14:26 | 639219680511810632 |
|
439 ms | 121.194.2.55 |
| 48 | 2026-08-10 13:34 | 639219648997191257 |
|
282 ms | 121.194.2.55 |
| 47 | 2026-08-10 13:19 | 639219639938909436 |
|
441 ms | 121.194.2.55 |
| 46 | 2026-08-10 13:04 | 639219630718286441 |
|
509 ms | 121.194.2.55 |
| 45 | 2026-08-10 12:48 | 639219621472350410 |
|
518 ms | 121.194.2.55 |
| 44 | 2026-08-10 12:33 | 639219612500421992 |
|
514 ms | 121.194.2.55 |
| 43 | 2026-08-10 12:18 | 639219603383833445 |
|
1183 ms | 121.194.2.55 |
| 42 | 2026-08-10 12:03 | 639219594143823358 |
|
1107 ms | 121.194.2.55 |
| 41 | 2026-08-10 11:47 | 639219585053166024 |
|
258 ms | 121.194.2.55 |
| 40 | 2026-08-10 11:32 | 639219575885776644 |
|
4 ms | 121.194.2.55 |
| 39 | 2026-08-10 11:17 | 639219566844532361 |
|
498 ms | 121.194.2.55 |
| 38 | 2026-08-10 11:02 | 639219557705808294 |
|
264 ms | 121.194.2.55 |
| 37 | 2026-08-10 10:46 | 639219548482688649 |
|
3 ms | 121.194.2.55 |
| 36 | 2026-08-10 09:55 | 639219517492763539 |
|
3 ms | 121.194.2.55 |
| 35 | 2026-08-10 09:40 | 639219508755773605 |
|
2032 ms | 121.194.2.55 |
| 34 | 2026-08-10 09:25 | 639219499852103863 |
|
4 ms | 121.194.2.55 |
| 33 | 2026-08-10 09:10 | 639219490893714387 |
|
225 ms | 121.194.2.55 |
| 32 | 2026-08-10 08:56 | 639219482299305521 |
|
513 ms | 121.194.2.55 |
| 31 | 2026-08-10 08:41 | 639219473613114853 |
|
264 ms | 121.194.2.55 |
| 30 | 2026-08-10 08:27 | 639219465061138643 |
|
438 ms | 121.194.2.55 |
| 29 | 2026-08-10 08:13 | 639219456616129015 |
|
4 ms | 121.194.2.55 |
| 28 | 2026-08-10 07:59 | 639219447974008557 |
|
285 ms | 121.194.2.55 |
| 27 | 2026-08-10 07:44 | 639219439498255213 |
|
270 ms | 121.194.2.55 |
| 26 | 2026-08-10 07:30 | 639219430664872256 |
|
5 ms | 121.194.2.55 |
| 25 | 2026-08-10 07:15 | 639219421757560037 |
|
3 ms | 121.194.2.55 |
| 24 | 2026-08-10 06:23 | 639219390773218684 |
|
215 ms | 121.194.2.55 |
| 23 | 2026-08-10 06:09 | 639219382205367722 |
|
2366 ms | 121.194.2.55 |
| 22 | 2026-08-10 05:55 | 639219373711937615 |
|
497 ms | 121.194.2.55 |
| 21 | 2026-08-10 05:40 | 639219365088558404 |
|
451 ms | 121.194.2.55 |
| 20 | 2026-08-10 05:26 | 639219356348833255 |
|
4 ms | 121.194.2.55 |
| 19 | 2026-08-10 05:11 | 639219347860053478 |
|
255 ms | 121.194.2.55 |
| 18 | 2026-08-10 04:57 | 639219339173195121 |
|
3 ms | 121.194.2.55 |
| 17 | 2026-08-10 04:43 | 639219330642664669 |
|
2232 ms | 121.194.2.55 |
| 16 | 2026-08-10 04:29 | 639219322058698995 |
|
277 ms | 121.194.2.55 |
| 15 | 2026-08-10 04:14 | 639219313564344199 |
|
3 ms | 121.194.2.55 |
| 14 | 2026-08-10 04:00 | 639219304775113236 |
|
438 ms | 121.194.2.55 |
| 13 | 2026-08-10 03:45 | 639219295706181119 |
|
448 ms | 121.194.2.55 |
| 12 | 2026-08-10 02:53 | 639219264663923254 |
|
453 ms | 121.194.2.55 |
| 11 | 2026-08-10 02:39 | 639219256015178099 |
|
3 ms | 121.194.2.55 |
| 10 | 2026-08-10 02:24 | 639219247509540188 |
|
237 ms | 121.194.2.55 |
| 9 | 2026-08-10 02:10 | 639219238999539092 |
|
4275 ms | 121.194.2.55 |
| 8 | 2026-08-10 01:56 | 639219230498823902 |
|
3 ms | 121.194.2.55 |
| 7 | 2026-08-10 01:41 | 639219221706460911 |
|
3 ms | 121.194.2.55 |
| 6 | 2026-08-10 01:27 | 639219212930606887 |
|
231 ms | 121.194.2.55 |
| 5 | 2026-08-10 01:12 | 639219204307908525 |
|
449 ms | 121.194.2.55 |
| 4 | 2026-08-10 00:58 | 639219195720181470 |
|
267 ms | 121.194.2.55 |
| 3 | 2026-08-10 00:43 | 639219186898174002 |
|
566 ms | 121.194.2.55 |
| 2 | 2026-08-10 00:28 | 639219178004946976 |
|
2 ms | 121.194.2.55 |
| 1 | 2026-08-10 00:14 | 639219168958805474 |
|
298 ms | 121.194.2.55 |