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 2026-08-13. For this date, NameServerHistory found 72 DNS check records, 72 successful responses, 0 failed responses, and 588 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
72
Historical checks stored for this nameserver on selected date
Average Latency
588 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-13 23:47
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
72
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 2026-08-13 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 |
|---|---|---|---|---|---|
| 72 | 2026-08-13 23:47 | 639222608688333012 |
|
511 ms | 170.33.12.185 |
| 71 | 2026-08-13 23:30 | 639222598741756356 |
|
542 ms | 170.33.12.185 |
| 70 | 2026-08-13 23:14 | 639222588615244093 |
|
514 ms | 170.33.12.185 |
| 69 | 2026-08-13 22:20 | 639222556495289724 |
|
554 ms | 170.33.12.185 |
| 68 | 2026-08-13 22:03 | 639222546477917698 |
|
231 ms | 170.33.12.185 |
| 67 | 2026-08-13 21:46 | 639222536257653790 |
|
547 ms | 170.33.12.185 |
| 66 | 2026-08-13 21:29 | 639222525833084485 |
|
515 ms | 170.33.12.185 |
| 65 | 2026-08-13 21:12 | 639222515446085004 |
|
719 ms | 170.33.12.185 |
| 64 | 2026-08-13 20:55 | 639222505166766781 |
|
268 ms | 170.33.12.185 |
| 63 | 2026-08-13 20:37 | 639222494930541001 |
|
753 ms | 170.33.12.185 |
| 62 | 2026-08-13 20:20 | 639222484469216890 |
|
544 ms | 170.33.12.185 |
| 61 | 2026-08-13 20:03 | 639222474270039940 |
|
536 ms | 170.33.12.185 |
| 60 | 2026-08-13 19:46 | 639222464005587385 |
|
262 ms | 170.33.12.185 |
| 59 | 2026-08-13 19:29 | 639222453485975041 |
|
268 ms | 170.33.12.185 |
| 58 | 2026-08-13 19:11 | 639222442984828770 |
|
557 ms | 170.33.12.185 |
| 57 | 2026-08-13 18:18 | 639222410191353397 |
|
630 ms | 170.33.12.185 |
| 56 | 2026-08-13 18:01 | 639222399952628376 |
|
616 ms | 170.33.12.185 |
| 55 | 2026-08-13 17:44 | 639222389608608647 |
|
528 ms | 170.33.12.185 |
| 54 | 2026-08-13 17:26 | 639222379604012481 |
|
636 ms | 170.33.12.185 |
| 53 | 2026-08-13 17:10 | 639222369372672858 |
|
305 ms | 170.33.12.185 |
| 52 | 2026-08-13 16:53 | 639222359096909298 |
|
621 ms | 170.33.12.185 |
| 51 | 2026-08-13 16:35 | 639222348814301655 |
|
577 ms | 170.33.12.185 |
| 50 | 2026-08-13 16:18 | 639222338608331104 |
|
1531 ms | 170.33.12.185 |
| 49 | 2026-08-13 16:01 | 639222328204609760 |
|
999 ms | 170.33.12.185 |
| 48 | 2026-08-13 15:44 | 639222317859759909 |
|
974 ms | 170.33.12.185 |
| 47 | 2026-08-13 15:27 | 639222307560137918 |
|
286 ms | 170.33.12.185 |
| 46 | 2026-08-13 15:09 | 639222297274357149 |
|
595 ms | 170.33.12.185 |
| 45 | 2026-08-13 14:15 | 639222265004477827 |
|
285 ms | 170.33.12.185 |
| 44 | 2026-08-13 13:59 | 639222255176583683 |
|
723 ms | 170.33.12.185 |
| 43 | 2026-08-13 13:42 | 639222245340146131 |
|
527 ms | 170.33.12.185 |
| 42 | 2026-08-13 13:26 | 639222235662219956 |
|
539 ms | 170.33.12.185 |
| 41 | 2026-08-13 13:10 | 639222225817223284 |
|
908 ms | 170.33.12.185 |
| 40 | 2026-08-13 12:53 | 639222216341869648 |
|
588 ms | 170.33.12.185 |
| 39 | 2026-08-13 12:38 | 639222206848442189 |
|
578 ms | 170.33.12.185 |
| 38 | 2026-08-13 12:22 | 639222197538963225 |
|
1077 ms | 170.33.12.185 |
| 37 | 2026-08-13 12:06 | 639222188113685569 |
|
942 ms | 170.33.12.185 |
| 36 | 2026-08-13 11:50 | 639222178880138458 |
|
540 ms | 170.33.12.185 |
| 35 | 2026-08-13 11:35 | 639222169343013317 |
|
541 ms | 170.33.12.185 |
| 34 | 2026-08-13 11:19 | 639222159910600596 |
|
1358 ms | 170.33.12.185 |
| 33 | 2026-08-13 10:27 | 639222128676274866 |
|
320 ms | 170.33.12.185 |
| 32 | 2026-08-13 10:11 | 639222119169781983 |
|
567 ms | 170.33.12.185 |
| 31 | 2026-08-13 09:56 | 639222109996148889 |
|
276 ms | 170.33.12.185 |
| 30 | 2026-08-13 09:41 | 639222100791323799 |
|
283 ms | 170.33.12.185 |
| 29 | 2026-08-13 09:25 | 639222091647893142 |
|
843 ms | 170.33.12.185 |
| 28 | 2026-08-13 09:10 | 639222082524717649 |
|
270 ms | 170.33.12.185 |
| 27 | 2026-08-13 08:55 | 639222073378630456 |
|
1133 ms | 170.33.12.185 |
| 26 | 2026-08-13 08:40 | 639222064537306701 |
|
272 ms | 170.33.12.185 |
| 25 | 2026-08-13 08:25 | 639222055409471864 |
|
292 ms | 170.33.12.185 |
| 24 | 2026-08-13 08:10 | 639222046117152411 |
|
680 ms | 170.33.12.185 |
| 23 | 2026-08-13 07:54 | 639222036915107067 |
|
585 ms | 170.33.12.185 |
| 22 | 2026-08-13 07:39 | 639222027654889141 |
|
527 ms | 170.33.12.185 |
| 21 | 2026-08-13 06:47 | 639221996824612035 |
|
1344 ms | 170.33.12.185 |
| 20 | 2026-08-13 06:32 | 639221987863418113 |
|
664 ms | 170.33.12.185 |
| 19 | 2026-08-13 06:17 | 639221979006823112 |
|
271 ms | 170.33.12.185 |
| 18 | 2026-08-13 06:03 | 639221970068466615 |
|
530 ms | 170.33.12.185 |
| 17 | 2026-08-13 05:48 | 639221961001585139 |
|
532 ms | 170.33.12.185 |
| 16 | 2026-08-13 05:32 | 639221952104046397 |
|
871 ms | 170.33.12.185 |
| 15 | 2026-08-13 05:18 | 639221943247694484 |
|
293 ms | 170.33.12.185 |
| 14 | 2026-08-13 05:03 | 639221934603388241 |
|
875 ms | 170.33.12.185 |
| 13 | 2026-08-13 04:48 | 639221925729273358 |
|
920 ms | 170.33.12.185 |
| 12 | 2026-08-13 04:34 | 639221916777813401 |
|
454 ms | 170.33.12.185 |
| 11 | 2026-08-13 04:19 | 639221907816913910 |
|
563 ms | 170.33.12.185 |
| 10 | 2026-08-13 04:04 | 639221898639694322 |
|
284 ms | 170.33.12.185 |
| 9 | 2026-08-13 03:13 | 639221868257567489 |
|
790 ms | 170.33.12.185 |
| 8 | 2026-08-13 02:58 | 639221859270235608 |
|
581 ms | 170.33.12.185 |
| 7 | 2026-08-13 02:43 | 639221850184464515 |
|
297 ms | 170.33.12.185 |
| 6 | 2026-08-13 02:28 | 639221841141973425 |
|
538 ms | 170.33.12.185 |
| 5 | 2026-08-13 01:36 | 639221810548753083 |
|
340 ms | 170.33.12.185 |
| 4 | 2026-08-13 01:22 | 639221801656796262 |
|
572 ms | 170.33.12.185 |
| 3 | 2026-08-13 01:07 | 639221792658715334 |
|
559 ms | 170.33.12.185 |
| 2 | 2026-08-13 00:52 | 639221783571379176 |
|
547 ms | 170.33.12.185 |
| 1 | 2026-08-13 00:01 | 639221753022017039 |
|
264 ms | 170.33.12.185 |