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 2026-08-16. For this date, NameServerHistory found 61 DNS check records, 61 successful responses, 0 failed responses, and 503 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

61

Historical checks stored for this nameserver on selected date

Average Latency

503 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-16 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

61

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 2026-08-16 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
61 2026-08-16 23:59 639225207490611656
554 ms 170.33.12.185
60 2026-08-16 23:43 639225198045815385
798 ms 170.33.12.185
59 2026-08-16 22:51 639225166825544741
551 ms 170.33.12.185
58 2026-08-16 22:35 639225157549461269
274 ms 170.33.12.185
57 2026-08-16 22:19 639225147914556308
525 ms 170.33.12.185
56 2026-08-16 22:03 639225138472322960
561 ms 170.33.12.185
55 2026-08-16 21:11 639225107211236826
536 ms 170.33.12.185
54 2026-08-16 20:56 639225097684457510
256 ms 170.33.12.185
53 2026-08-16 20:40 639225087942913396
270 ms 170.33.12.185
52 2026-08-16 20:23 639225078238684183
814 ms 170.33.12.185
51 2026-08-16 19:31 639225046944151094
569 ms 170.33.12.185
50 2026-08-16 19:15 639225037234857231
499 ms 170.33.12.185
49 2026-08-16 18:59 639225027423459920
553 ms 170.33.12.185
48 2026-08-16 18:42 639225017891613027
571 ms 170.33.12.185
47 2026-08-16 17:50 639224986298183527
599 ms 170.33.12.185
46 2026-08-16 17:34 639224976567107023
330 ms 170.33.12.185
45 2026-08-16 17:18 639224966709723386
552 ms 170.33.12.185
44 2026-08-16 17:01 639224957175756942
629 ms 170.33.12.185
43 2026-08-16 16:09 639224925782379869
631 ms 170.33.12.185
42 2026-08-16 15:53 639224916429532459
328 ms 170.33.12.185
41 2026-08-16 15:37 639224906878325623
262 ms 170.33.12.185
40 2026-08-16 15:21 639224897258974385
537 ms 170.33.12.185
39 2026-08-16 14:30 639224866169532828
550 ms 170.33.12.185
38 2026-08-16 14:14 639224856561831915
264 ms 170.33.12.185
37 2026-08-16 13:57 639224846830897794
749 ms 170.33.12.185
36 2026-08-16 13:41 639224836975863283
527 ms 170.33.12.185
35 2026-08-16 12:48 639224804985340946
555 ms 170.33.12.185
34 2026-08-16 12:32 639224795567782333
426 ms 170.33.12.185
33 2026-08-16 12:16 639224785914225250
780 ms 170.33.12.185
32 2026-08-16 12:00 639224776383854998
554 ms 170.33.12.185
31 2026-08-16 11:07 639224744252113993
549 ms 170.33.12.185
30 2026-08-16 10:51 639224734238905542
1092 ms 170.33.12.185
29 2026-08-16 10:34 639224724335031221
542 ms 170.33.12.185
28 2026-08-16 10:17 639224714475244430
586 ms 170.33.12.185
27 2026-08-16 09:22 639224681063874153
328 ms 170.33.12.185
26 2026-08-16 09:05 639224671038956665
233 ms 170.33.12.185
25 2026-08-16 08:48 639224661079806122
541 ms 170.33.12.185
24 2026-08-16 08:32 639224651169993038
508 ms 170.33.12.185
23 2026-08-16 07:37 639224618882283050
268 ms 170.33.12.185
22 2026-08-16 07:22 639224609519965372
506 ms 170.33.12.185
21 2026-08-16 07:06 639224599969658888
604 ms 170.33.12.185
20 2026-08-16 06:50 639224590360343307
575 ms 170.33.12.185
19 2026-08-16 05:57 639224558901831832
324 ms 170.33.12.185
18 2026-08-16 05:42 639224549678210576
526 ms 170.33.12.185
17 2026-08-16 05:27 639224540433420642
551 ms 170.33.12.185
16 2026-08-16 05:11 639224531046032443
516 ms 170.33.12.185
15 2026-08-16 04:18 639224499638024410
270 ms 170.33.12.185
14 2026-08-16 04:03 639224490358783451
553 ms 170.33.12.185
13 2026-08-16 03:48 639224481111410545
542 ms 170.33.12.185
12 2026-08-16 03:32 639224471809153772
1005 ms 170.33.12.185
11 2026-08-16 02:39 639224440124457324
262 ms 170.33.12.185
10 2026-08-16 02:24 639224430921105721
683 ms 170.33.12.185
9 2026-08-16 02:09 639224421455433103
274 ms 170.33.12.185
8 2026-08-16 01:53 639224412089740331
280 ms 170.33.12.185
7 2026-08-16 01:37 639224403168392868
281 ms 170.33.12.185
6 2026-08-16 01:22 639224393856251387
260 ms 170.33.12.185
5 2026-08-16 01:07 639224384677141438
801 ms 170.33.12.185
4 2026-08-16 00:51 639224375597986398
271 ms 170.33.12.185
3 2026-08-16 00:36 639224366430296466
565 ms 170.33.12.185
2 2026-08-16 00:21 639224357218176789
560 ms 170.33.12.185
1 2026-08-16 00:06 639224347685767174
238 ms 170.33.12.185