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 2026-08-25. For this date, NameServerHistory found 69 DNS check records, 69 successful responses, 0 failed responses, and 436 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

69

Historical checks stored for this nameserver on selected date

Average Latency

436 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 23:45

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

69

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 2026-08-25 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
69 2026-08-25 23:45 639232974980190573
503 ms 121.194.2.55
68 2026-08-25 23:28 639232964577050707
727 ms 121.194.2.55
67 2026-08-25 22:34 639232932163142799
497 ms 121.194.2.55
66 2026-08-25 22:17 639232921673215474
504 ms 121.194.2.55
65 2026-08-25 21:59 639232911234504639
554 ms 121.194.2.55
64 2026-08-25 21:42 639232900747078453
1506 ms 121.194.2.55
63 2026-08-25 21:24 639232890389222534
278 ms 121.194.2.55
62 2026-08-25 21:07 639232880143390843
500 ms 121.194.2.55
61 2026-08-25 20:50 639232869755024069
268 ms 121.194.2.55
60 2026-08-25 20:33 639232859355940346
513 ms 121.194.2.55
59 2026-08-25 20:15 639232848992244953
268 ms 121.194.2.55
58 2026-08-25 19:58 639232838596478500
1270 ms 121.194.2.55
57 2026-08-25 19:41 639232828175327683
1308 ms 121.194.2.55
56 2026-08-25 19:23 639232817798330473
278 ms 121.194.2.55
55 2026-08-25 18:29 639232785462407552
268 ms 121.194.2.55
54 2026-08-25 18:12 639232775177487032
244 ms 121.194.2.55
53 2026-08-25 17:55 639232764991087115
527 ms 121.194.2.55
52 2026-08-25 17:38 639232754842971478
305 ms 121.194.2.55
51 2026-08-25 17:21 639232744455159107
12 ms 121.194.2.55
50 2026-08-25 17:04 639232734145178231
3 ms 121.194.2.55
49 2026-08-25 16:47 639232723827874402
584 ms 121.194.2.55
48 2026-08-25 16:30 639232713533011892
4 ms 121.194.2.55
47 2026-08-25 16:12 639232703065318207
286 ms 121.194.2.55
46 2026-08-25 15:55 639232692629559470
533 ms 121.194.2.55
45 2026-08-25 15:37 639232682238836475
4 ms 121.194.2.55
44 2026-08-25 15:20 639232671787004306
3 ms 121.194.2.55
43 2026-08-25 14:25 639232638994329666
526 ms 121.194.2.55
42 2026-08-25 14:08 639232628614783237
1042 ms 121.194.2.55
41 2026-08-25 13:51 639232618360728578
532 ms 121.194.2.55
40 2026-08-25 13:34 639232608016476376
4 ms 121.194.2.55
39 2026-08-25 13:16 639232597643611557
8 ms 121.194.2.55
38 2026-08-25 12:59 639232587225721862
552 ms 121.194.2.55
37 2026-08-25 12:42 639232576780683689
3 ms 121.194.2.55
36 2026-08-25 12:24 639232566381512620
4 ms 121.194.2.55
35 2026-08-25 12:07 639232556111768563
530 ms 121.194.2.55
34 2026-08-25 11:50 639232545839529039
1226 ms 121.194.2.55
33 2026-08-25 11:33 639232535349285207
295 ms 121.194.2.55
32 2026-08-25 11:15 639232524938080723
1340 ms 121.194.2.55
31 2026-08-25 10:22 639232492740373468
5 ms 121.194.2.55
30 2026-08-25 10:04 639232482235303141
6 ms 121.194.2.55
29 2026-08-25 09:47 639232471861770303
6 ms 121.194.2.55
28 2026-08-25 09:30 639232461630217327
4 ms 121.194.2.55
27 2026-08-25 09:13 639232451282965990
1419 ms 121.194.2.55
26 2026-08-25 08:55 639232440814614938
22 ms 121.194.2.55
25 2026-08-25 08:38 639232430410720425
285 ms 121.194.2.55
24 2026-08-25 08:20 639232420003096185
577 ms 121.194.2.55
23 2026-08-25 08:03 639232409467287444
555 ms 121.194.2.55
22 2026-08-25 07:46 639232399077195997
1041 ms 121.194.2.55
21 2026-08-25 07:28 639232388731528337
539 ms 121.194.2.55
20 2026-08-25 07:11 639232378288598612
272 ms 121.194.2.55
19 2026-08-25 06:17 639232346196373643
268 ms 121.194.2.55
18 2026-08-25 06:00 639232336112370741
1046 ms 121.194.2.55
17 2026-08-25 05:44 639232326146508970
568 ms 121.194.2.55
16 2026-08-25 05:27 639232316189381720
582 ms 121.194.2.55
15 2026-08-25 05:10 639232306217998913
4 ms 121.194.2.55
14 2026-08-25 04:54 639232296255744174
3 ms 121.194.2.55
13 2026-08-25 04:37 639232286095760789
567 ms 121.194.2.55
12 2026-08-25 04:20 639232276086186273
3 ms 121.194.2.55
11 2026-08-25 04:03 639232265900986425
254 ms 121.194.2.55
10 2026-08-25 03:47 639232255723518075
268 ms 121.194.2.55
9 2026-08-25 03:29 639232245484452890
266 ms 121.194.2.55
8 2026-08-25 03:12 639232235157175331
2 ms 121.194.2.55
7 2026-08-25 02:19 639232203197189095
531 ms 121.194.2.55
6 2026-08-25 02:02 639232192844564298
1522 ms 121.194.2.55
5 2026-08-25 01:45 639232182496008942
515 ms 121.194.2.55
4 2026-08-25 01:27 639232172197053132
2 ms 121.194.2.55
3 2026-08-25 00:34 639232140250307418
529 ms 121.194.2.55
2 2026-08-25 00:17 639232129927860324
3 ms 121.194.2.55
1 2026-08-25 00:00 639232119551972438
577 ms 121.194.2.55