DNS response history for ns.cok.jp

ns.cok.jp 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 42 DNS check records, 42 successful responses, 0 failed responses, and 289 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 ns.cok.jp.
Records on Selected Date

42

Historical checks stored for this nameserver on selected date

Average Latency

289 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-24 17:37

All timestamps shown in UTC

Latest Resolved IP on Selected Date

153.126.178.73

Most recently resolved hosting IP on selected date

Successful Responses

42

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 ns.cok.jp

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
42 2026-08-24 17:37 639231890488117536
5 ms 153.126.178.73
41 2026-08-24 17:21 639231880574255543
585 ms 153.126.178.73
40 2026-08-24 17:04 639231870418029045
553 ms 153.126.178.73
39 2026-08-24 16:47 639231860258429562
556 ms 153.126.178.73
38 2026-08-24 15:54 639231828211839931
5 ms 153.126.178.73
37 2026-08-24 15:37 639231818080917481
4 ms 153.126.178.73
36 2026-08-24 15:20 639231807961539652
557 ms 153.126.178.73
35 2026-08-24 15:03 639231797631669865
4 ms 153.126.178.73
34 2026-08-24 14:10 639231765923559455
551 ms 153.126.178.73
33 2026-08-24 13:53 639231755868832964
5 ms 153.126.178.73
32 2026-08-24 13:36 639231745628278877
548 ms 153.126.178.73
31 2026-08-24 13:19 639231735407682062
574 ms 153.126.178.73
30 2026-08-24 12:26 639231703815441688
6 ms 153.126.178.73
29 2026-08-24 12:10 639231693747052549
584 ms 153.126.178.73
28 2026-08-24 11:53 639231683712487276
603 ms 153.126.178.73
27 2026-08-24 11:36 639231673513573868
4 ms 153.126.178.73
26 2026-08-24 10:43 639231641791249939
575 ms 153.126.178.73
25 2026-08-24 10:26 639231631866211033
589 ms 153.126.178.73
24 2026-08-24 10:10 639231621644955316
576 ms 153.126.178.73
23 2026-08-24 09:53 639231611478799259
2 ms 153.126.178.73
22 2026-08-24 09:00 639231579923718211
4 ms 153.126.178.73
21 2026-08-24 08:43 639231569810702936
5 ms 153.126.178.73
20 2026-08-24 08:26 639231559762411619
587 ms 153.126.178.73
19 2026-08-24 08:09 639231549663595407
579 ms 153.126.178.73
18 2026-08-24 07:17 639231518076817246
4 ms 153.126.178.73
17 2026-08-24 07:00 639231508078650885
593 ms 153.126.178.73
16 2026-08-24 06:43 639231498210697093
2 ms 153.126.178.73
15 2026-08-24 06:27 639231488109699360
3 ms 153.126.178.73
14 2026-08-24 05:35 639231456772510692
4 ms 153.126.178.73
13 2026-08-24 05:18 639231447084631185
598 ms 153.126.178.73
12 2026-08-24 05:02 639231437208519473
583 ms 153.126.178.73
11 2026-08-24 04:45 639231427209627490
3 ms 153.126.178.73
10 2026-08-24 03:53 639231395791246644
2 ms 153.126.178.73
9 2026-08-24 03:37 639231386075551458
575 ms 153.126.178.73
8 2026-08-24 03:20 639231376208713791
4 ms 153.126.178.73
7 2026-08-24 03:04 639231366170589276
6 ms 153.126.178.73
6 2026-08-24 02:11 639231334732159368
3 ms 153.126.178.73
5 2026-08-24 01:55 639231325035670078
589 ms 153.126.178.73
4 2026-08-24 01:38 639231315132253837
3 ms 153.126.178.73
3 2026-08-24 01:22 639231305014280808
562 ms 153.126.178.73
2 2026-08-24 00:29 639231273779380675
3 ms 153.126.178.73
1 2026-08-24 00:13 639231264180839154
559 ms 153.126.178.73