History for ns2.null.cn
Domain: null.cn • Tracking since 2026-08-04 23:25 UTC
DNS response history for ns2.null.cn
ns2.null.cn 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 2026-08-21. For this date, NameServerHistory found 73 DNS check records, 73 successful responses, 0 failed responses, and 738 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.null.cn.
Records on Selected Date
73
Historical checks stored for this nameserver on selected date
Average Latency
738 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-21 23:59
All timestamps shown in UTC
Latest Resolved IP on Selected Date
170.33.12.185
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.null.cn
Showing DNS history for 2026-08-21 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 | 2026-08-21 23:59 | 639229527598660841 |
|
770 ms | 170.33.12.185 |
| 72 | 2026-08-21 23:43 | 639229517954323214 |
|
271 ms | 170.33.12.185 |
| 71 | 2026-08-21 23:27 | 639229508269999021 |
|
769 ms | 170.33.12.185 |
| 70 | 2026-08-21 23:11 | 639229498559060171 |
|
553 ms | 170.33.12.185 |
| 69 | 2026-08-21 22:55 | 639229488519347586 |
|
793 ms | 170.33.12.185 |
| 68 | 2026-08-21 22:01 | 639229456606578934 |
|
928 ms | 170.33.12.185 |
| 67 | 2026-08-21 21:45 | 639229446985772499 |
|
272 ms | 170.33.12.185 |
| 66 | 2026-08-21 21:29 | 639229437367313098 |
|
590 ms | 170.33.12.185 |
| 65 | 2026-08-21 21:13 | 639229427923950391 |
|
510 ms | 170.33.12.185 |
| 64 | 2026-08-21 20:57 | 639229418168588854 |
|
281 ms | 170.33.12.185 |
| 63 | 2026-08-21 20:41 | 639229408345678334 |
|
416 ms | 170.33.12.185 |
| 62 | 2026-08-21 20:25 | 639229398616354648 |
|
540 ms | 170.33.12.185 |
| 61 | 2026-08-21 20:08 | 639229388634592323 |
|
734 ms | 170.33.12.185 |
| 60 | 2026-08-21 19:52 | 639229378792837692 |
|
303 ms | 170.33.12.185 |
| 59 | 2026-08-21 19:35 | 639229369154682311 |
|
257 ms | 170.33.12.185 |
| 58 | 2026-08-21 19:19 | 639229359248017926 |
|
297 ms | 170.33.12.185 |
| 57 | 2026-08-21 19:02 | 639229349124294642 |
|
525 ms | 170.33.12.185 |
| 56 | 2026-08-21 18:10 | 639229317791715692 |
|
251 ms | 170.33.12.185 |
| 55 | 2026-08-21 17:54 | 639229308115194575 |
|
4562 ms | 170.33.12.185 |
| 54 | 2026-08-21 17:37 | 639229298320320558 |
|
613 ms | 170.33.12.185 |
| 53 | 2026-08-21 17:21 | 639229288674863221 |
|
2286 ms | 170.33.12.185 |
| 52 | 2026-08-21 17:05 | 639229278983677079 |
|
1209 ms | 170.33.12.185 |
| 51 | 2026-08-21 16:49 | 639229269405517175 |
|
278 ms | 170.33.12.185 |
| 50 | 2026-08-21 16:33 | 639229259594798244 |
|
780 ms | 170.33.12.185 |
| 49 | 2026-08-21 16:16 | 639229249736681188 |
|
269 ms | 170.33.12.185 |
| 48 | 2026-08-21 16:00 | 639229239699417787 |
|
781 ms | 170.33.12.185 |
| 47 | 2026-08-21 15:43 | 639229229621964033 |
|
1668 ms | 170.33.12.185 |
| 46 | 2026-08-21 15:26 | 639229219567270965 |
|
971 ms | 170.33.12.185 |
| 45 | 2026-08-21 15:09 | 639229209406666856 |
|
967 ms | 170.33.12.185 |
| 44 | 2026-08-21 14:17 | 639229177815876178 |
|
596 ms | 170.33.12.185 |
| 43 | 2026-08-21 14:00 | 639229168243572685 |
|
580 ms | 170.33.12.185 |
| 42 | 2026-08-21 13:44 | 639229158599856475 |
|
333 ms | 170.33.12.185 |
| 41 | 2026-08-21 13:28 | 639229148998940902 |
|
959 ms | 170.33.12.185 |
| 40 | 2026-08-21 13:12 | 639229139276923594 |
|
904 ms | 170.33.12.185 |
| 39 | 2026-08-21 12:56 | 639229129709912394 |
|
591 ms | 170.33.12.185 |
| 38 | 2026-08-21 12:40 | 639229119801488500 |
|
273 ms | 170.33.12.185 |
| 37 | 2026-08-21 12:24 | 639229110135262458 |
|
253 ms | 170.33.12.185 |
| 36 | 2026-08-21 12:07 | 639229100336051392 |
|
277 ms | 170.33.12.185 |
| 35 | 2026-08-21 11:51 | 639229090641415626 |
|
807 ms | 170.33.12.185 |
| 34 | 2026-08-21 11:35 | 639229080702683947 |
|
689 ms | 170.33.12.185 |
| 33 | 2026-08-21 11:18 | 639229070601456699 |
|
792 ms | 170.33.12.185 |
| 32 | 2026-08-21 10:25 | 639229038947447232 |
|
802 ms | 170.33.12.185 |
| 31 | 2026-08-21 10:09 | 639229029268708773 |
|
1101 ms | 170.33.12.185 |
| 30 | 2026-08-21 09:53 | 639229019647910603 |
|
560 ms | 170.33.12.185 |
| 29 | 2026-08-21 09:37 | 639229009983843738 |
|
566 ms | 170.33.12.185 |
| 28 | 2026-08-21 09:21 | 639229000203331882 |
|
548 ms | 170.33.12.185 |
| 27 | 2026-08-21 09:04 | 639228990302335999 |
|
569 ms | 170.33.12.185 |
| 26 | 2026-08-21 08:48 | 639228980567740722 |
|
279 ms | 170.33.12.185 |
| 25 | 2026-08-21 08:31 | 639228970762445174 |
|
984 ms | 170.33.12.185 |
| 24 | 2026-08-21 08:15 | 639228961065054445 |
|
304 ms | 170.33.12.185 |
| 23 | 2026-08-21 07:59 | 639228951224649885 |
|
534 ms | 170.33.12.185 |
| 22 | 2026-08-21 07:42 | 639228941303864592 |
|
571 ms | 170.33.12.185 |
| 21 | 2026-08-21 07:26 | 639228931191328583 |
|
1792 ms | 170.33.12.185 |
| 20 | 2026-08-21 06:33 | 639228899518173317 |
|
276 ms | 170.33.12.185 |
| 19 | 2026-08-21 06:17 | 639228889785027669 |
|
850 ms | 170.33.12.185 |
| 18 | 2026-08-21 06:00 | 639228880106330161 |
|
804 ms | 170.33.12.185 |
| 17 | 2026-08-21 05:44 | 639228870316184091 |
|
1850 ms | 170.33.12.185 |
| 16 | 2026-08-21 05:28 | 639228860695366512 |
|
338 ms | 170.33.12.185 |
| 15 | 2026-08-21 05:12 | 639228851027209500 |
|
587 ms | 170.33.12.185 |
| 14 | 2026-08-21 04:56 | 639228841479265462 |
|
520 ms | 170.33.12.185 |
| 13 | 2026-08-21 04:40 | 639228831752962260 |
|
282 ms | 170.33.12.185 |
| 12 | 2026-08-21 04:23 | 639228821953295483 |
|
515 ms | 170.33.12.185 |
| 11 | 2026-08-21 04:07 | 639228812227429953 |
|
526 ms | 170.33.12.185 |
| 10 | 2026-08-21 03:51 | 639228802476107538 |
|
263 ms | 170.33.12.185 |
| 9 | 2026-08-21 03:34 | 639228792525492032 |
|
889 ms | 170.33.12.185 |
| 8 | 2026-08-21 02:42 | 639228761131421385 |
|
2371 ms | 170.33.12.185 |
| 7 | 2026-08-21 02:26 | 639228751571206692 |
|
570 ms | 170.33.12.185 |
| 6 | 2026-08-21 02:10 | 639228741705571019 |
|
862 ms | 170.33.12.185 |
| 5 | 2026-08-21 01:53 | 639228731642208228 |
|
554 ms | 170.33.12.185 |
| 4 | 2026-08-21 01:01 | 639228700387002072 |
|
502 ms | 170.33.12.185 |
| 3 | 2026-08-21 00:45 | 639228690742014433 |
|
1082 ms | 170.33.12.185 |
| 2 | 2026-08-21 00:28 | 639228680877937122 |
|
552 ms | 170.33.12.185 |
| 1 | 2026-08-21 00:12 | 639228670775860800 |
|
541 ms | 170.33.12.185 |