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 2026-08-17. For this date, NameServerHistory found 71 DNS check records, 71 successful responses, 0 failed responses, and 552 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

71

Historical checks stored for this nameserver on selected date

Average Latency

552 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-17 23:44

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

71

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 2026-08-17 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
71 2026-08-17 23:44 639226062577647657
514 ms 170.33.12.185
70 2026-08-17 22:52 639226031060857136
543 ms 170.33.12.185
69 2026-08-17 22:36 639226021535117364
514 ms 170.33.12.185
68 2026-08-17 22:20 639226011884237078
533 ms 170.33.12.185
67 2026-08-17 22:04 639226002309299142
266 ms 170.33.12.185
66 2026-08-17 21:48 639225992791784448
527 ms 170.33.12.185
65 2026-08-17 21:32 639225983045271390
760 ms 170.33.12.185
64 2026-08-17 21:15 639225973246293513
514 ms 170.33.12.185
63 2026-08-17 20:59 639225963620186236
279 ms 170.33.12.185
62 2026-08-17 20:43 639225953899183916
277 ms 170.33.12.185
61 2026-08-17 20:27 639225944391528206
578 ms 170.33.12.185
60 2026-08-17 20:11 639225934593254169
811 ms 170.33.12.185
59 2026-08-17 19:54 639225924669984512
553 ms 170.33.12.185
58 2026-08-17 19:01 639225893048561320
270 ms 170.33.12.185
57 2026-08-17 18:45 639225883481298424
551 ms 170.33.12.185
56 2026-08-17 18:29 639225873845394034
259 ms 170.33.12.185
55 2026-08-17 18:13 639225864216078662
270 ms 170.33.12.185
54 2026-08-17 17:57 639225854541857773
249 ms 170.33.12.185
53 2026-08-17 17:41 639225844733604072
542 ms 170.33.12.185
52 2026-08-17 17:25 639225835085229232
330 ms 170.33.12.185
51 2026-08-17 17:09 639225825349373981
993 ms 170.33.12.185
50 2026-08-17 16:52 639225815690604161
278 ms 170.33.12.185
49 2026-08-17 16:36 639225805952472306
570 ms 170.33.12.185
48 2026-08-17 16:20 639225796264729638
520 ms 170.33.12.185
47 2026-08-17 16:04 639225786326499329
773 ms 170.33.12.185
46 2026-08-17 15:11 639225754798130711
505 ms 170.33.12.185
45 2026-08-17 14:55 639225745123193922
350 ms 170.33.12.185
44 2026-08-17 14:39 639225735540597271
1120 ms 170.33.12.185
43 2026-08-17 14:23 639225725894857396
276 ms 170.33.12.185
42 2026-08-17 14:07 639225716249606913
937 ms 170.33.12.185
41 2026-08-17 13:51 639225706638238179
569 ms 170.33.12.185
40 2026-08-17 13:35 639225696949691423
528 ms 170.33.12.185
39 2026-08-17 13:18 639225687286186336
564 ms 170.33.12.185
38 2026-08-17 13:02 639225677679573133
527 ms 170.33.12.185
37 2026-08-17 12:46 639225667957861024
936 ms 170.33.12.185
36 2026-08-17 12:30 639225658298791618
589 ms 170.33.12.185
35 2026-08-17 12:14 639225648583652785
948 ms 170.33.12.185
34 2026-08-17 11:21 639225617000524308
551 ms 170.33.12.185
33 2026-08-17 11:05 639225607668541600
556 ms 170.33.12.185
32 2026-08-17 10:50 639225598117279238
271 ms 170.33.12.185
31 2026-08-17 10:34 639225588751002710
616 ms 170.33.12.185
30 2026-08-17 10:18 639225579295831051
577 ms 170.33.12.185
29 2026-08-17 10:02 639225569761469940
620 ms 170.33.12.185
28 2026-08-17 09:46 639225560161422333
582 ms 170.33.12.185
27 2026-08-17 09:31 639225550739955565
556 ms 170.33.12.185
26 2026-08-17 09:15 639225541125222426
649 ms 170.33.12.185
25 2026-08-17 08:59 639225531526675983
542 ms 170.33.12.185
24 2026-08-17 08:43 639225521915528222
885 ms 170.33.12.185
23 2026-08-17 08:26 639225512148151789
885 ms 170.33.12.185
22 2026-08-17 07:34 639225480786142412
272 ms 170.33.12.185
21 2026-08-17 07:18 639225471394348551
496 ms 170.33.12.185
20 2026-08-17 07:03 639225462031685068
584 ms 170.33.12.185
19 2026-08-17 06:47 639225452639458328
284 ms 170.33.12.185
18 2026-08-17 06:31 639225443300966543
524 ms 170.33.12.185
17 2026-08-17 06:16 639225433880499379
674 ms 170.33.12.185
16 2026-08-17 06:00 639225424395198277
281 ms 170.33.12.185
15 2026-08-17 05:44 639225414744137487
531 ms 170.33.12.185
14 2026-08-17 05:28 639225405186783164
562 ms 170.33.12.185
13 2026-08-17 05:12 639225395563669822
567 ms 170.33.12.185
12 2026-08-17 04:56 639225386076645158
941 ms 170.33.12.185
11 2026-08-17 04:40 639225376620669704
331 ms 170.33.12.185
10 2026-08-17 03:48 639225345580892706
981 ms 170.33.12.185
9 2026-08-17 03:33 639225336207383710
542 ms 170.33.12.185
8 2026-08-17 03:17 639225326726565001
544 ms 170.33.12.185
7 2026-08-17 03:01 639225317249271010
514 ms 170.33.12.185
6 2026-08-17 02:10 639225286280886044
555 ms 170.33.12.185
5 2026-08-17 01:54 639225276872567548
527 ms 170.33.12.185
4 2026-08-17 01:38 639225267353865348
557 ms 170.33.12.185
3 2026-08-17 01:22 639225258033914248
538 ms 170.33.12.185
2 2026-08-17 00:30 639225226652221583
745 ms 170.33.12.185
1 2026-08-17 00:15 639225217156387684
234 ms 170.33.12.185