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 2026-08-08. For this date, NameServerHistory found 63 DNS check records, 63 successful responses, 0 failed responses, and 631 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

63

Historical checks stored for this nameserver on selected date

Average Latency

631 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-08 23:52

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

63

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 2026-08-08 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
63 2026-08-08 23:52 639218291874134258
527 ms 170.33.12.185
62 2026-08-08 23:37 639218282817785496
562 ms 170.33.12.185
61 2026-08-08 22:46 639218252106422334
529 ms 170.33.12.185
60 2026-08-08 22:31 639218243323944113
252 ms 170.33.12.185
59 2026-08-08 22:16 639218234397020230
521 ms 170.33.12.185
58 2026-08-08 22:01 639218225412858763
490 ms 170.33.12.185
57 2026-08-08 21:09 639218194282616684
251 ms 170.33.12.185
56 2026-08-08 20:55 639218185036989606
542 ms 170.33.12.185
55 2026-08-08 20:39 639218175974363575
254 ms 170.33.12.185
54 2026-08-08 20:24 639218166972644815
248 ms 170.33.12.185
53 2026-08-08 19:33 639218135900313734
548 ms 170.33.12.185
52 2026-08-08 19:18 639218127088470726
556 ms 170.33.12.185
51 2026-08-08 19:03 639218118310406743
511 ms 170.33.12.185
50 2026-08-08 18:48 639218109452520238
542 ms 170.33.12.185
49 2026-08-08 17:56 639218078440804962
326 ms 170.33.12.185
48 2026-08-08 17:42 639218069827056995
261 ms 170.33.12.185
47 2026-08-08 17:27 639218060928974999
263 ms 170.33.12.185
46 2026-08-08 17:12 639218052072104591
269 ms 170.33.12.185
45 2026-08-08 16:21 639218021131612993
971 ms 170.33.12.185
44 2026-08-08 16:06 639218012544891033
571 ms 170.33.12.185
43 2026-08-08 15:52 639218003733822367
1794 ms 170.33.12.185
42 2026-08-08 15:37 639217994998349201
550 ms 170.33.12.185
41 2026-08-08 14:45 639217963788814319
559 ms 170.33.12.185
40 2026-08-08 14:30 639217955087396874
672 ms 170.33.12.185
39 2026-08-08 14:16 639217946350294952
969 ms 170.33.12.185
38 2026-08-08 14:01 639217937526020436
960 ms 170.33.12.185
37 2026-08-08 13:10 639217906769667024
539 ms 170.33.12.185
36 2026-08-08 12:56 639217898300938849
1019 ms 170.33.12.185
35 2026-08-08 12:41 639217889778639925
552 ms 170.33.12.185
34 2026-08-08 12:27 639217881083065140
247 ms 170.33.12.185
33 2026-08-08 11:36 639217850620659312
318 ms 170.33.12.185
32 2026-08-08 11:22 639217841938624907
267 ms 170.33.12.185
31 2026-08-08 11:08 639217833389546843
446 ms 170.33.12.185
30 2026-08-08 10:53 639217824846173945
553 ms 170.33.12.185
29 2026-08-08 10:02 639217793807292972
908 ms 170.33.12.185
28 2026-08-08 09:47 639217785208951403
256 ms 170.33.12.185
27 2026-08-08 09:33 639217776566534942
316 ms 170.33.12.185
26 2026-08-08 09:19 639217767935139326
571 ms 170.33.12.185
25 2026-08-08 08:27 639217737225367411
355 ms 170.33.12.185
24 2026-08-08 08:13 639217728765093674
257 ms 170.33.12.185
23 2026-08-08 07:59 639217720136905586
271 ms 170.33.12.185
22 2026-08-08 07:44 639217711410853004
850 ms 170.33.12.185
21 2026-08-08 06:50 639217680275549698
356 ms 170.33.12.185
20 2026-08-08 06:36 639217671340563867
341 ms 170.33.12.185
19 2026-08-08 06:21 639217662739829952
589 ms 170.33.12.185
18 2026-08-08 06:06 639217654129395144
2559 ms 170.33.12.185
17 2026-08-08 05:16 639217623690502934
1802 ms 170.33.12.185
16 2026-08-08 05:02 639217615180184169
806 ms 170.33.12.185
15 2026-08-08 04:47 639217606737293244
638 ms 170.33.12.185
14 2026-08-08 04:33 639217598089858483
591 ms 170.33.12.185
13 2026-08-08 03:42 639217567343169140
291 ms 170.33.12.185
12 2026-08-08 03:28 639217558743892856
325 ms 170.33.12.185
11 2026-08-08 03:13 639217550069823359
255 ms 170.33.12.185
10 2026-08-08 02:59 639217541571663863
4551 ms 170.33.12.185
9 2026-08-08 02:09 639217510598671918
511 ms 170.33.12.185
8 2026-08-08 01:55 639217501853904641
538 ms 170.33.12.185
7 2026-08-08 01:40 639217492857464038
539 ms 170.33.12.185
6 2026-08-08 01:25 639217483935810845
272 ms 170.33.12.185
5 2026-08-08 01:10 639217475281344873
798 ms 170.33.12.185
4 2026-08-08 00:56 639217466591266473
257 ms 170.33.12.185
3 2026-08-08 00:41 639217457842031506
245 ms 170.33.12.185
2 2026-08-08 00:27 639217449192590684
1012 ms 170.33.12.185
1 2026-08-08 00:12 639217440385817840
253 ms 170.33.12.185