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 2026-08-09. For this date, NameServerHistory found 78 DNS check records, 77 successful responses, 1 failed responses, and 222 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

78

Historical checks stored for this nameserver on selected date

Average Latency

222 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-09 23:14

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

77

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

1%

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 2026-08-09 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
78 2026-08-09 23:14 639219137912168440
13 ms 202.172.26.31
77 2026-08-09 23:00 639219129014206359
19 ms 202.172.26.31
76 2026-08-09 22:45 639219120129816185
4 ms 202.172.26.31
75 2026-08-09 22:30 639219111180200055
17 ms 202.172.26.31
74 2026-08-09 22:15 639219102397272208
44 ms 202.172.26.31
73 2026-08-09 22:00 639219093318422880
2026 ms 202.172.26.31
72 2026-08-09 21:45 639219084400315753
10 ms 202.172.26.31
71 2026-08-09 21:30 639219075254551587
-
70 2026-08-09 21:14 639219065729192158
9 ms 202.172.26.31
69 2026-08-09 20:59 639219056747802098
25 ms 202.172.26.31
68 2026-08-09 20:44 639219047713450952
25 ms 202.172.26.31
67 2026-08-09 20:29 639219038561445315
14 ms 202.172.26.31
66 2026-08-09 19:36 639219007390383771
66 ms 202.172.26.31
65 2026-08-09 19:22 639218998523265596
2109 ms 202.172.26.31
64 2026-08-09 19:07 639218989631630804
58 ms 202.172.26.31
63 2026-08-09 18:52 639218980808450892
42 ms 202.172.26.31
62 2026-08-09 18:37 639218971852160604
2013 ms 202.172.26.31
61 2026-08-09 18:22 639218962783650906
66 ms 202.172.26.31
60 2026-08-09 18:07 639218953792820819
37 ms 202.172.26.31
59 2026-08-09 17:52 639218944959692876
34 ms 202.172.26.31
58 2026-08-09 17:38 639218936169104506
49 ms 202.172.26.31
57 2026-08-09 17:22 639218927166062556
168 ms 202.172.26.31
56 2026-08-09 17:07 639218918015715420
54 ms 202.172.26.31
55 2026-08-09 16:52 639218908881852638
157 ms 202.172.26.31
54 2026-08-09 16:00 639218877956262035
2025 ms 202.172.26.31
53 2026-08-09 15:46 639218869143729797
2015 ms 202.172.26.31
52 2026-08-09 15:31 639218860485298832
46 ms 202.172.26.31
51 2026-08-09 15:16 639218851607906747
36 ms 202.172.26.31
50 2026-08-09 15:02 639218842720839568
5 ms 202.172.26.31
49 2026-08-09 14:47 639218833878788864
33 ms 202.172.26.31
48 2026-08-09 14:32 639218825180862573
7 ms 202.172.26.31
47 2026-08-09 14:18 639218816469621951
19 ms 202.172.26.31
46 2026-08-09 14:03 639218807685036212
56 ms 202.172.26.31
45 2026-08-09 13:49 639218798978271509
36 ms 202.172.26.31
44 2026-08-09 13:34 639218790065423597
5 ms 202.172.26.31
43 2026-08-09 13:19 639218781304584862
21 ms 202.172.26.31
42 2026-08-09 12:29 639218750311179000
79 ms 202.172.26.31
41 2026-08-09 12:14 639218741750420268
79 ms 202.172.26.31
40 2026-08-09 12:00 639218733057535576
89 ms 202.172.26.31
39 2026-08-09 11:46 639218724471329044
85 ms 202.172.26.31
38 2026-08-09 11:31 639218715911974203
47 ms 202.172.26.31
37 2026-08-09 11:17 639218707310812834
49 ms 202.172.26.31
36 2026-08-09 11:03 639218698790485612
104 ms 202.172.26.31
35 2026-08-09 10:49 639218690367692706
13 ms 202.172.26.31
34 2026-08-09 10:35 639218681923173883
344 ms 202.172.26.31
33 2026-08-09 10:20 639218673547179738
94 ms 202.172.26.31
32 2026-08-09 10:06 639218664890274867
45 ms 202.172.26.31
31 2026-08-09 09:51 639218656036928157
66 ms 202.172.26.31
30 2026-08-09 09:00 639218624808018222
5 ms 202.172.26.31
29 2026-08-09 08:46 639218616243340806
19 ms 202.172.26.31
28 2026-08-09 08:31 639218607397811973
35 ms 202.172.26.31
27 2026-08-09 08:17 639218598812444454
29 ms 202.172.26.31
26 2026-08-09 08:02 639218590219570048
7 ms 202.172.26.31
25 2026-08-09 07:48 639218581690210758
2015 ms 202.172.26.31
24 2026-08-09 07:34 639218573057388822
33 ms 202.172.26.31
23 2026-08-09 07:19 639218564408781785
46 ms 202.172.26.31
22 2026-08-09 07:05 639218555767188482
21 ms 202.172.26.31
21 2026-08-09 06:50 639218547142705295
33 ms 202.172.26.31
20 2026-08-09 06:36 639218538090114532
10 ms 202.172.26.31
19 2026-08-09 06:20 639218529257910584
44 ms 202.172.26.31
18 2026-08-09 05:31 639218498473231858
32 ms 202.172.26.31
17 2026-08-09 05:17 639218489802113995
15 ms 202.172.26.31
16 2026-08-09 05:02 639218481006804516
58 ms 202.172.26.31
15 2026-08-09 04:47 639218472048712427
3 ms 202.172.26.31
14 2026-08-09 04:32 639218463224432974
41 ms 202.172.26.31
13 2026-08-09 04:18 639218454384107526
15 ms 202.172.26.31
12 2026-08-09 04:03 639218445331231791
10 ms 202.172.26.31
11 2026-08-09 03:47 639218436285215733
5 ms 202.172.26.31
10 2026-08-09 03:33 639218427289555123
11 ms 202.172.26.31
9 2026-08-09 03:17 639218418227819981
14 ms 202.172.26.31
8 2026-08-09 03:02 639218409119503123
11 ms 202.172.26.31
7 2026-08-09 02:47 639218399771712154
4 ms 202.172.26.31
6 2026-08-09 01:55 639218368648652303
10 ms 202.172.26.31
5 2026-08-09 01:40 639218359569598460
5 ms 202.172.26.31
4 2026-08-09 01:24 639218350555429902
2031 ms 202.172.26.31
3 2026-08-09 01:09 639218341311543299
5 ms 202.172.26.31
2 2026-08-09 00:17 639218309981981465
23 ms 202.172.26.31
1 2026-08-09 00:02 639218300987184335
41 ms 202.172.26.31