DNS response history for m30.coreserver.jp

m30.coreserver.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 2026-08-21. For this date, NameServerHistory found 73 DNS check records, 73 successful responses, 0 failed responses, and 170 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 m30.coreserver.jp.
Records on Selected Date

73

Historical checks stored for this nameserver on selected date

Average Latency

170 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-21 23:52

All timestamps shown in UTC

Latest Resolved IP on Selected Date

202.172.26.31

Most recently resolved hosting IP on selected date

Successful Responses

73

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 m30.coreserver.jp

Showing DNS history for 2026-08-21 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
73 2026-08-21 23:52 639229527598660841
35 ms 202.172.26.31
72 2026-08-21 23:36 639229517954323214
12 ms 202.172.26.31
71 2026-08-21 23:20 639229508269999021
13 ms 202.172.26.31
70 2026-08-21 23:04 639229498559060171
2020 ms 202.172.26.31
69 2026-08-21 22:47 639229488519347586
20 ms 202.172.26.31
68 2026-08-21 21:54 639229456606578934
7 ms 202.172.26.31
67 2026-08-21 21:38 639229446985772499
81 ms 202.172.26.31
66 2026-08-21 21:22 639229437367313098
26 ms 202.172.26.31
65 2026-08-21 21:06 639229427923950391
15 ms 202.172.26.31
64 2026-08-21 20:50 639229418168588854
8 ms 202.172.26.31
63 2026-08-21 20:33 639229408345678334
6 ms 202.172.26.31
62 2026-08-21 20:17 639229398616354648
34 ms 202.172.26.31
61 2026-08-21 20:01 639229388634592323
7 ms 202.172.26.31
60 2026-08-21 19:44 639229378792837692
7 ms 202.172.26.31
59 2026-08-21 19:28 639229369154682311
24 ms 202.172.26.31
58 2026-08-21 19:11 639229359248017926
2204 ms 202.172.26.31
57 2026-08-21 18:55 639229349124294642
155 ms 202.172.26.31
56 2026-08-21 18:02 639229317791715692
38 ms 202.172.26.31
55 2026-08-21 17:46 639229308115194575
12 ms 202.172.26.31
54 2026-08-21 17:30 639229298320320558
2019 ms 202.172.26.31
53 2026-08-21 17:14 639229288674863221
17 ms 202.172.26.31
52 2026-08-21 16:58 639229278983677079
79 ms 202.172.26.31
51 2026-08-21 16:42 639229269405517175
149 ms 202.172.26.31
50 2026-08-21 16:25 639229259594798244
7 ms 202.172.26.31
49 2026-08-21 16:09 639229249736681188
6 ms 202.172.26.31
48 2026-08-21 15:52 639229239699417787
22 ms 202.172.26.31
47 2026-08-21 15:36 639229229621964033
19 ms 202.172.26.31
46 2026-08-21 15:19 639229219567270965
11 ms 202.172.26.31
45 2026-08-21 15:02 639229209406666856
70 ms 202.172.26.31
44 2026-08-21 14:09 639229177815876178
94 ms 202.172.26.31
43 2026-08-21 13:53 639229168243572685
17 ms 202.172.26.31
42 2026-08-21 13:37 639229158599856475
34 ms 202.172.26.31
41 2026-08-21 13:21 639229148998940902
22 ms 202.172.26.31
40 2026-08-21 13:05 639229139276923594
33 ms 202.172.26.31
39 2026-08-21 12:49 639229129709912394
2018 ms 202.172.26.31
38 2026-08-21 12:32 639229119801488500
7 ms 202.172.26.31
37 2026-08-21 12:16 639229110135262458
7 ms 202.172.26.31
36 2026-08-21 12:00 639229100336051392
9 ms 202.172.26.31
35 2026-08-21 11:44 639229090641415626
13 ms 202.172.26.31
34 2026-08-21 11:27 639229080702683947
6 ms 202.172.26.31
33 2026-08-21 11:10 639229070601456699
20 ms 202.172.26.31
32 2026-08-21 10:18 639229038947447232
2029 ms 202.172.26.31
31 2026-08-21 10:01 639229029268708773
38 ms 202.172.26.31
30 2026-08-21 09:45 639229019647910603
6 ms 202.172.26.31
29 2026-08-21 09:29 639229009983843738
40 ms 202.172.26.31
28 2026-08-21 09:13 639229000203331882
14 ms 202.172.26.31
27 2026-08-21 08:57 639228990302335999
4 ms 202.172.26.31
26 2026-08-21 08:40 639228980567740722
26 ms 202.172.26.31
25 2026-08-21 08:24 639228970762445174
20 ms 202.172.26.31
24 2026-08-21 08:08 639228961065054445
4 ms 202.172.26.31
23 2026-08-21 07:52 639228951224649885
53 ms 202.172.26.31
22 2026-08-21 07:35 639228941303864592
49 ms 202.172.26.31
21 2026-08-21 07:18 639228931191328583
190 ms 202.172.26.31
20 2026-08-21 06:25 639228899518173317
6 ms 202.172.26.31
19 2026-08-21 06:09 639228889785027669
23 ms 202.172.26.31
18 2026-08-21 05:53 639228880106330161
11 ms 202.172.26.31
17 2026-08-21 05:37 639228870316184091
32 ms 202.172.26.31
16 2026-08-21 05:21 639228860695366512
79 ms 202.172.26.31
15 2026-08-21 05:05 639228851027209500
37 ms 202.172.26.31
14 2026-08-21 04:48 639228841479265462
27 ms 202.172.26.31
13 2026-08-21 04:32 639228831752962260
25 ms 202.172.26.31
12 2026-08-21 04:16 639228821953295483
42 ms 202.172.26.31
11 2026-08-21 04:00 639228812227429953
48 ms 202.172.26.31
10 2026-08-21 03:44 639228802476107538
4 ms 202.172.26.31
9 2026-08-21 03:27 639228792525492032
34 ms 202.172.26.31
8 2026-08-21 02:35 639228761131421385
85 ms 202.172.26.31
7 2026-08-21 02:19 639228751571206692
35 ms 202.172.26.31
6 2026-08-21 02:02 639228741705571019
4 ms 202.172.26.31
5 2026-08-21 01:46 639228731642208228
20 ms 202.172.26.31
4 2026-08-21 00:53 639228700387002072
5 ms 202.172.26.31
3 2026-08-21 00:37 639228690742014433
16 ms 202.172.26.31
2 2026-08-21 00:21 639228680877937122
11 ms 202.172.26.31
1 2026-08-21 00:04 639228670775860800
11 ms 202.172.26.31