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 2026-08-12. For this date, NameServerHistory found 62 DNS check records, 62 successful responses, 0 failed responses, and 580 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

62

Historical checks stored for this nameserver on selected date

Average Latency

580 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-12 23:46

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

62

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 2026-08-12 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
62 2026-08-12 23:46 639221744107644868
245 ms 170.33.12.185
61 2026-08-12 23:31 639221735030187244
235 ms 170.33.12.185
60 2026-08-12 23:15 639221725815508109
517 ms 170.33.12.185
59 2026-08-12 22:24 639221694790955973
474 ms 170.33.12.185
58 2026-08-12 22:08 639221685562451720
560 ms 170.33.12.185
57 2026-08-12 21:53 639221676023655289
564 ms 170.33.12.185
56 2026-08-12 21:37 639221666449119409
230 ms 170.33.12.185
55 2026-08-12 20:45 639221635456432556
560 ms 170.33.12.185
54 2026-08-12 20:30 639221626313054202
540 ms 170.33.12.185
53 2026-08-12 20:14 639221617091958857
580 ms 170.33.12.185
52 2026-08-12 19:59 639221607786737151
570 ms 170.33.12.185
51 2026-08-12 19:07 639221576664330059
515 ms 170.33.12.185
50 2026-08-12 18:52 639221567514216674
775 ms 170.33.12.185
49 2026-08-12 18:36 639221558399762524
559 ms 170.33.12.185
48 2026-08-12 18:21 639221549052016282
898 ms 170.33.12.185
47 2026-08-12 17:29 639221517673834934
533 ms 170.33.12.185
46 2026-08-12 17:13 639221508282311633
578 ms 170.33.12.185
45 2026-08-12 16:57 639221498786324983
995 ms 170.33.12.185
44 2026-08-12 16:42 639221489157589737
984 ms 170.33.12.185
43 2026-08-12 15:49 639221457655914645
975 ms 170.33.12.185
42 2026-08-12 15:33 639221448164090526
361 ms 170.33.12.185
41 2026-08-12 15:17 639221438725783630
999 ms 170.33.12.185
40 2026-08-12 15:01 639221429178071087
529 ms 170.33.12.185
39 2026-08-12 14:09 639221397761278719
300 ms 170.33.12.185
38 2026-08-12 13:53 639221388200567278
1125 ms 170.33.12.185
37 2026-08-12 13:37 639221378483570949
962 ms 170.33.12.185
36 2026-08-12 13:21 639221368872360139
1239 ms 170.33.12.185
35 2026-08-12 12:28 639221337226647415
778 ms 170.33.12.185
34 2026-08-12 12:12 639221327924087446
1038 ms 170.33.12.185
33 2026-08-12 11:57 639221318096976375
279 ms 170.33.12.185
32 2026-08-12 11:40 639221308343145274
531 ms 170.33.12.185
31 2026-08-12 10:48 639221277089610470
543 ms 170.33.12.185
30 2026-08-12 10:32 639221267628136359
277 ms 170.33.12.185
29 2026-08-12 10:16 639221257907569952
279 ms 170.33.12.185
28 2026-08-12 10:00 639221248402420965
556 ms 170.33.12.185
27 2026-08-12 09:07 639221216797540533
573 ms 170.33.12.185
26 2026-08-12 08:52 639221207385792352
515 ms 170.33.12.185
25 2026-08-12 08:36 639221198078534844
603 ms 170.33.12.185
24 2026-08-12 08:20 639221188677585577
580 ms 170.33.12.185
23 2026-08-12 07:28 639221157276484143
288 ms 170.33.12.185
22 2026-08-12 07:13 639221147876262183
730 ms 170.33.12.185
21 2026-08-12 06:57 639221138388812469
899 ms 170.33.12.185
20 2026-08-12 06:41 639221128987381118
628 ms 170.33.12.185
19 2026-08-12 05:49 639221097816416095
546 ms 170.33.12.185
18 2026-08-12 05:33 639221088508065616
993 ms 170.33.12.185
17 2026-08-12 05:18 639221079092308503
561 ms 170.33.12.185
16 2026-08-12 05:02 639221069595873597
257 ms 170.33.12.185
15 2026-08-12 04:10 639221038601577496
635 ms 170.33.12.185
14 2026-08-12 03:55 639221029533901299
677 ms 170.33.12.185
13 2026-08-12 03:40 639221020333828965
275 ms 170.33.12.185
12 2026-08-12 03:24 639221011110510484
272 ms 170.33.12.185
11 2026-08-12 02:32 639220979815209769
245 ms 170.33.12.185
10 2026-08-12 02:17 639220970971410921
313 ms 170.33.12.185
9 2026-08-12 02:02 639220961848982361
519 ms 170.33.12.185
8 2026-08-12 01:47 639220952784591501
604 ms 170.33.12.185
7 2026-08-12 01:32 639220943893596731
547 ms 170.33.12.185
6 2026-08-12 01:17 639220934954704520
298 ms 170.33.12.185
5 2026-08-12 01:02 639220925792457751
556 ms 170.33.12.185
4 2026-08-12 00:47 639220916610063538
565 ms 170.33.12.185
3 2026-08-12 00:31 639220907229361754
556 ms 170.33.12.185
2 2026-08-12 00:16 639220897896762127
510 ms 170.33.12.185
1 2026-08-12 00:00 639220888396333845
533 ms 170.33.12.185