DNS response history for ns2.cernet.com

ns2.cernet.com 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 2026-08-24. For this date, NameServerHistory found 55 DNS check records, 55 successful responses, 0 failed responses, and 437 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.cernet.com.
Records on Selected Date

55

Historical checks stored for this nameserver on selected date

Average Latency

437 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-24 23:42

All timestamps shown in UTC

Latest Resolved IP on Selected Date

121.194.2.55

Most recently resolved hosting IP on selected date

Successful Responses

55

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.cernet.com

Showing DNS history for 2026-08-24 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
55 2026-08-24 23:42 639232109112567473
569 ms 121.194.2.55
54 2026-08-24 22:49 639232077430823987
570 ms 121.194.2.55
53 2026-08-24 22:32 639232067340513033
506 ms 121.194.2.55
52 2026-08-24 22:15 639232057157944387
3 ms 121.194.2.55
51 2026-08-24 21:58 639232046895282144
264 ms 121.194.2.55
50 2026-08-24 21:05 639232014356623395
2 ms 121.194.2.55
49 2026-08-24 20:47 639232004177831322
509 ms 121.194.2.55
48 2026-08-24 20:30 639231993997863976
1270 ms 121.194.2.55
47 2026-08-24 20:13 639231983967363696
2 ms 121.194.2.55
46 2026-08-24 19:21 639231952257842845
584 ms 121.194.2.55
45 2026-08-24 19:04 639231942277816756
799 ms 121.194.2.55
44 2026-08-24 18:47 639231932094180724
4 ms 121.194.2.55
43 2026-08-24 18:30 639231922041034838
3 ms 121.194.2.55
42 2026-08-24 17:37 639231890488117536
1015 ms 121.194.2.55
41 2026-08-24 17:21 639231880574255543
4 ms 121.194.2.55
40 2026-08-24 17:04 639231870418029045
503 ms 121.194.2.55
39 2026-08-24 16:47 639231860258429562
765 ms 121.194.2.55
38 2026-08-24 15:54 639231828211839931
4 ms 121.194.2.55
37 2026-08-24 15:37 639231818080917481
1220 ms 121.194.2.55
36 2026-08-24 15:20 639231807961539652
272 ms 121.194.2.55
35 2026-08-24 15:03 639231797631669865
4 ms 121.194.2.55
34 2026-08-24 14:10 639231765923559455
3 ms 121.194.2.55
33 2026-08-24 13:53 639231755868832964
251 ms 121.194.2.55
32 2026-08-24 13:36 639231745628278877
1045 ms 121.194.2.55
31 2026-08-24 13:19 639231735407682062
3 ms 121.194.2.55
30 2026-08-24 12:26 639231703815441688
295 ms 121.194.2.55
29 2026-08-24 12:10 639231693747052549
5 ms 121.194.2.55
28 2026-08-24 11:53 639231683712487276
573 ms 121.194.2.55
27 2026-08-24 11:36 639231673513573868
1078 ms 121.194.2.55
26 2026-08-24 10:43 639231641791249939
5 ms 121.194.2.55
25 2026-08-24 10:26 639231631866211033
284 ms 121.194.2.55
24 2026-08-24 10:10 639231621644955316
500 ms 121.194.2.55
23 2026-08-24 09:53 639231611478799259
529 ms 121.194.2.55
22 2026-08-24 09:00 639231579923718211
4 ms 121.194.2.55
21 2026-08-24 08:43 639231569810702936
283 ms 121.194.2.55
20 2026-08-24 08:26 639231559762411619
570 ms 121.194.2.55
19 2026-08-24 08:09 639231549663595407
549 ms 121.194.2.55
18 2026-08-24 07:17 639231518076817246
572 ms 121.194.2.55
17 2026-08-24 07:00 639231508078650885
551 ms 121.194.2.55
16 2026-08-24 06:44 639231498210697093
6 ms 121.194.2.55
15 2026-08-24 06:27 639231488109699360
1364 ms 121.194.2.55
14 2026-08-24 05:35 639231456772510692
2 ms 121.194.2.55
13 2026-08-24 05:18 639231447084631185
2 ms 121.194.2.55
12 2026-08-24 05:02 639231437208519473
2313 ms 121.194.2.55
11 2026-08-24 04:45 639231427209627490
758 ms 121.194.2.55
10 2026-08-24 03:53 639231395791246644
2 ms 121.194.2.55
9 2026-08-24 03:37 639231386075551458
527 ms 121.194.2.55
8 2026-08-24 03:20 639231376208713791
291 ms 121.194.2.55
7 2026-08-24 03:04 639231366170589276
2 ms 121.194.2.55
6 2026-08-24 02:11 639231334732159368
520 ms 121.194.2.55
5 2026-08-24 01:55 639231325035670078
4 ms 121.194.2.55
4 2026-08-24 01:39 639231315132253837
3 ms 121.194.2.55
3 2026-08-24 01:22 639231305014280808
747 ms 121.194.2.55
2 2026-08-24 00:29 639231273779380675
251 ms 121.194.2.55
1 2026-08-24 00:13 639231264180839154
1278 ms 121.194.2.55