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 2026-08-19. For this date, NameServerHistory found 74 DNS check records, 74 successful responses, 0 failed responses, and 353 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
74
Historical checks stored for this nameserver on selected date
Average Latency
353 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-19 23:53
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
74
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 2026-08-19 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 |
|---|---|---|---|---|---|
| 74 | 2026-08-19 23:53 | 639227795899225951 |
|
483 ms | 121.194.2.55 |
| 73 | 2026-08-19 23:37 | 639227786351762008 |
|
2 ms | 121.194.2.55 |
| 72 | 2026-08-19 23:21 | 639227776640591733 |
|
2 ms | 121.194.2.55 |
| 71 | 2026-08-19 23:05 | 639227767128841282 |
|
2313 ms | 121.194.2.55 |
| 70 | 2026-08-19 22:49 | 639227757477304711 |
|
2 ms | 121.194.2.55 |
| 69 | 2026-08-19 22:33 | 639227747572098014 |
|
4 ms | 121.194.2.55 |
| 68 | 2026-08-19 22:16 | 639227737588613113 |
|
526 ms | 121.194.2.55 |
| 67 | 2026-08-19 21:23 | 639227706134603955 |
|
538 ms | 121.194.2.55 |
| 66 | 2026-08-19 21:07 | 639227696589027396 |
|
4 ms | 121.194.2.55 |
| 65 | 2026-08-19 20:51 | 639227687097707639 |
|
270 ms | 121.194.2.55 |
| 64 | 2026-08-19 20:35 | 639227677474464487 |
|
3 ms | 121.194.2.55 |
| 63 | 2026-08-19 20:19 | 639227667767441118 |
|
560 ms | 121.194.2.55 |
| 62 | 2026-08-19 20:03 | 639227657984833832 |
|
557 ms | 121.194.2.55 |
| 61 | 2026-08-19 19:47 | 639227648079992640 |
|
1428 ms | 121.194.2.55 |
| 60 | 2026-08-19 19:30 | 639227638125048441 |
|
2 ms | 121.194.2.55 |
| 59 | 2026-08-19 19:14 | 639227628211392142 |
|
4 ms | 121.194.2.55 |
| 58 | 2026-08-19 18:57 | 639227618261696275 |
|
2 ms | 121.194.2.55 |
| 57 | 2026-08-19 18:40 | 639227608366233645 |
|
3 ms | 121.194.2.55 |
| 56 | 2026-08-19 18:24 | 639227598301787588 |
|
2 ms | 121.194.2.55 |
| 55 | 2026-08-19 17:30 | 639227566241010716 |
|
262 ms | 121.194.2.55 |
| 54 | 2026-08-19 17:14 | 639227556454538959 |
|
259 ms | 121.194.2.55 |
| 53 | 2026-08-19 16:58 | 639227546640305542 |
|
2 ms | 121.194.2.55 |
| 52 | 2026-08-19 16:41 | 639227536965466472 |
|
267 ms | 121.194.2.55 |
| 51 | 2026-08-19 16:25 | 639227527048658280 |
|
4 ms | 121.194.2.55 |
| 50 | 2026-08-19 16:09 | 639227517386634438 |
|
4 ms | 121.194.2.55 |
| 49 | 2026-08-19 15:52 | 639227507459551637 |
|
1056 ms | 121.194.2.55 |
| 48 | 2026-08-19 15:36 | 639227497515595277 |
|
267 ms | 121.194.2.55 |
| 47 | 2026-08-19 15:19 | 639227487441798036 |
|
531 ms | 121.194.2.55 |
| 46 | 2026-08-19 15:02 | 639227477445551863 |
|
266 ms | 121.194.2.55 |
| 45 | 2026-08-19 14:46 | 639227467297067891 |
|
298 ms | 121.194.2.55 |
| 44 | 2026-08-19 14:29 | 639227457057795635 |
|
526 ms | 121.194.2.55 |
| 43 | 2026-08-19 13:35 | 639227425244777397 |
|
258 ms | 121.194.2.55 |
| 42 | 2026-08-19 13:19 | 639227415422116485 |
|
270 ms | 121.194.2.55 |
| 41 | 2026-08-19 13:02 | 639227405307256053 |
|
274 ms | 121.194.2.55 |
| 40 | 2026-08-19 12:45 | 639227395396602630 |
|
541 ms | 121.194.2.55 |
| 39 | 2026-08-19 12:29 | 639227385510363611 |
|
272 ms | 121.194.2.55 |
| 38 | 2026-08-19 12:12 | 639227375508324850 |
|
264 ms | 121.194.2.55 |
| 37 | 2026-08-19 11:56 | 639227365326611906 |
|
1242 ms | 121.194.2.55 |
| 36 | 2026-08-19 11:39 | 639227355360014208 |
|
498 ms | 121.194.2.55 |
| 35 | 2026-08-19 11:22 | 639227345036782165 |
|
872 ms | 121.194.2.55 |
| 34 | 2026-08-19 11:05 | 639227334992964533 |
|
532 ms | 121.194.2.55 |
| 33 | 2026-08-19 10:48 | 639227324986605572 |
|
565 ms | 121.194.2.55 |
| 32 | 2026-08-19 10:31 | 639227314928414539 |
|
266 ms | 121.194.2.55 |
| 31 | 2026-08-19 09:38 | 639227283029182134 |
|
303 ms | 121.194.2.55 |
| 30 | 2026-08-19 09:22 | 639227273294779350 |
|
255 ms | 121.194.2.55 |
| 29 | 2026-08-19 09:05 | 639227263525231313 |
|
265 ms | 121.194.2.55 |
| 28 | 2026-08-19 08:49 | 639227253578313363 |
|
3 ms | 121.194.2.55 |
| 27 | 2026-08-19 08:33 | 639227243649973322 |
|
274 ms | 121.194.2.55 |
| 26 | 2026-08-19 08:16 | 639227233581059317 |
|
521 ms | 121.194.2.55 |
| 25 | 2026-08-19 07:59 | 639227223667352067 |
|
3 ms | 121.194.2.55 |
| 24 | 2026-08-19 07:43 | 639227213714837066 |
|
3 ms | 121.194.2.55 |
| 23 | 2026-08-19 07:26 | 639227203701208496 |
|
256 ms | 121.194.2.55 |
| 22 | 2026-08-19 07:09 | 639227193643202179 |
|
1071 ms | 121.194.2.55 |
| 21 | 2026-08-19 06:53 | 639227183584431597 |
|
843 ms | 121.194.2.55 |
| 20 | 2026-08-19 06:36 | 639227173347403088 |
|
247 ms | 121.194.2.55 |
| 19 | 2026-08-19 05:42 | 639227141523007601 |
|
266 ms | 121.194.2.55 |
| 18 | 2026-08-19 05:26 | 639227131785931574 |
|
3 ms | 121.194.2.55 |
| 17 | 2026-08-19 05:10 | 639227122176475389 |
|
7 ms | 121.194.2.55 |
| 16 | 2026-08-19 04:54 | 639227112668934596 |
|
3 ms | 121.194.2.55 |
| 15 | 2026-08-19 04:38 | 639227102773292788 |
|
795 ms | 121.194.2.55 |
| 14 | 2026-08-19 04:22 | 639227093141136930 |
|
537 ms | 121.194.2.55 |
| 13 | 2026-08-19 04:05 | 639227083449420147 |
|
568 ms | 121.194.2.55 |
| 12 | 2026-08-19 03:49 | 639227073771748493 |
|
3 ms | 121.194.2.55 |
| 11 | 2026-08-19 03:33 | 639227063977347614 |
|
230 ms | 121.194.2.55 |
| 10 | 2026-08-19 03:17 | 639227054253519024 |
|
525 ms | 121.194.2.55 |
| 9 | 2026-08-19 03:00 | 639227044381963886 |
|
573 ms | 121.194.2.55 |
| 8 | 2026-08-19 02:44 | 639227034441085514 |
|
3 ms | 121.194.2.55 |
| 7 | 2026-08-19 01:51 | 639227003126489968 |
|
1008 ms | 121.194.2.55 |
| 6 | 2026-08-19 01:35 | 639226993456311614 |
|
2 ms | 121.194.2.55 |
| 5 | 2026-08-19 01:19 | 639226983847312345 |
|
256 ms | 121.194.2.55 |
| 4 | 2026-08-19 01:03 | 639226974357874853 |
|
249 ms | 121.194.2.55 |
| 3 | 2026-08-19 00:47 | 639226964670484721 |
|
285 ms | 121.194.2.55 |
| 2 | 2026-08-19 00:31 | 639226954857899696 |
|
480 ms | 121.194.2.55 |
| 1 | 2026-08-19 00:15 | 639226945091603488 |
|
2 ms | 121.194.2.55 |