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 2026-08-26. For this date, NameServerHistory found 70 DNS check records, 70 successful responses, 0 failed responses, and 285 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

70

Historical checks stored for this nameserver on selected date

Average Latency

285 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 23:51

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

70

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 2026-08-26 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
70 2026-08-26 23:51 639233846871926285
29 ms 202.172.26.31
69 2026-08-26 22:57 639233814527872887
5 ms 202.172.26.31
68 2026-08-26 22:40 639233804315489381
26 ms 202.172.26.31
67 2026-08-26 22:23 639233793971346256
10 ms 202.172.26.31
66 2026-08-26 22:06 639233783644630463
7 ms 202.172.26.31
65 2026-08-26 21:48 639233773302621314
10 ms 202.172.26.31
64 2026-08-26 21:31 639233762896723748
2084 ms 202.172.26.31
63 2026-08-26 21:14 639233752543876329
17 ms 202.172.26.31
62 2026-08-26 20:56 639233742155931788
8 ms 202.172.26.31
61 2026-08-26 20:39 639233731712555311
21 ms 202.172.26.31
60 2026-08-26 20:21 639233721164051126
12 ms 202.172.26.31
59 2026-08-26 20:04 639233710560486320
527 ms 202.172.26.31
58 2026-08-26 19:46 639233699834667450
10 ms 202.172.26.31
57 2026-08-26 18:51 639233667209186136
2017 ms 202.172.26.31
56 2026-08-26 18:34 639233656814316266
7 ms 202.172.26.31
55 2026-08-26 18:16 639233646245051806
22 ms 202.172.26.31
54 2026-08-26 17:59 639233635663779051
6 ms 202.172.26.31
53 2026-08-26 17:41 639233624977342122
18 ms 202.172.26.31
52 2026-08-26 17:24 639233614446136153
12 ms 202.172.26.31
51 2026-08-26 17:06 639233603737877581
2154 ms 202.172.26.31
50 2026-08-26 16:48 639233593269224651
12 ms 202.172.26.31
49 2026-08-26 16:31 639233582635086903
40 ms 202.172.26.31
48 2026-08-26 16:13 639233572000374575
30 ms 202.172.26.31
47 2026-08-26 15:55 639233561188633861
21 ms 202.172.26.31
46 2026-08-26 15:37 639233550544357027
12 ms 202.172.26.31
45 2026-08-26 14:43 639233517966053117
38 ms 202.172.26.31
44 2026-08-26 14:25 639233507603253585
8 ms 202.172.26.31
43 2026-08-26 14:08 639233497229039167
8 ms 202.172.26.31
42 2026-08-26 13:51 639233486864546406
2037 ms 202.172.26.31
41 2026-08-26 13:34 639233476455174682
15 ms 202.172.26.31
40 2026-08-26 13:16 639233466171592605
8 ms 202.172.26.31
39 2026-08-26 12:59 639233455747096265
32 ms 202.172.26.31
38 2026-08-26 12:42 639233445367152284
2019 ms 202.172.26.31
37 2026-08-26 12:24 639233434974187439
4010 ms 202.172.26.31
36 2026-08-26 12:07 639233424567558554
7 ms 202.172.26.31
35 2026-08-26 11:50 639233414056832719
13 ms 202.172.26.31
34 2026-08-26 11:32 639233403515141099
12 ms 202.172.26.31
33 2026-08-26 10:37 639233370841350248
36 ms 202.172.26.31
32 2026-08-26 10:20 639233360361507238
47 ms 202.172.26.31
31 2026-08-26 10:03 639233350067824371
5 ms 202.172.26.31
30 2026-08-26 09:46 639233339545274518
74 ms 202.172.26.31
29 2026-08-26 09:28 639233329214918079
4 ms 202.172.26.31
28 2026-08-26 09:11 639233318749762337
13 ms 202.172.26.31
27 2026-08-26 08:53 639233308387917838
23 ms 202.172.26.31
26 2026-08-26 08:36 639233297961740122
10 ms 202.172.26.31
25 2026-08-26 08:19 639233287487159094
27 ms 202.172.26.31
24 2026-08-26 08:01 639233276995531707
9 ms 202.172.26.31
23 2026-08-26 07:44 639233266521568229
5 ms 202.172.26.31
22 2026-08-26 07:26 639233256081047431
6 ms 202.172.26.31
21 2026-08-26 06:32 639233223620132921
20 ms 202.172.26.31
20 2026-08-26 06:15 639233213287814244
22 ms 202.172.26.31
19 2026-08-26 05:58 639233202925983161
6 ms 202.172.26.31
18 2026-08-26 05:40 639233192644780696
30 ms 202.172.26.31
17 2026-08-26 05:23 639233182401183833
2018 ms 202.172.26.31
16 2026-08-26 05:06 639233172074181051
8 ms 202.172.26.31
15 2026-08-26 04:49 639233161808421455
10 ms 202.172.26.31
14 2026-08-26 04:32 639233151357344052
67 ms 202.172.26.31
13 2026-08-26 04:15 639233141034116946
26 ms 202.172.26.31
12 2026-08-26 03:57 639233130828334142
19 ms 202.172.26.31
11 2026-08-26 03:40 639233120373450007
4 ms 202.172.26.31
10 2026-08-26 03:23 639233110066216193
8 ms 202.172.26.31
9 2026-08-26 02:30 639233078065410564
4 ms 202.172.26.31
8 2026-08-26 02:12 639233067787457832
2015 ms 202.172.26.31
7 2026-08-26 01:55 639233057501801162
22 ms 202.172.26.31
6 2026-08-26 01:38 639233047089431703
17 ms 202.172.26.31
5 2026-08-26 01:21 639233036754790688
12 ms 202.172.26.31
4 2026-08-26 01:03 639233026412602472
4 ms 202.172.26.31
3 2026-08-26 00:46 639233016064066127
4 ms 202.172.26.31
2 2026-08-26 00:29 639233005922655772
13 ms 202.172.26.31
1 2026-08-26 00:12 639232995672256907
6 ms 202.172.26.31