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 2026-08-22. For this date, NameServerHistory found 74 DNS check records, 74 successful responses, 0 failed responses, and 136 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

74

Historical checks stored for this nameserver on selected date

Average Latency

136 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-22 23:53

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

74

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 2026-08-22 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
74 2026-08-22 23:53 639230391807229016
26 ms 202.172.26.31
73 2026-08-22 23:36 639230382051619327
107 ms 202.172.26.31
72 2026-08-22 23:20 639230372323353529
10 ms 202.172.26.31
71 2026-08-22 23:04 639230362586451064
4 ms 202.172.26.31
70 2026-08-22 22:47 639230352793666303
57 ms 202.172.26.31
69 2026-08-22 22:31 639230342775737758
14 ms 202.172.26.31
68 2026-08-22 22:14 639230332639939561
29 ms 202.172.26.31
67 2026-08-22 21:21 639230301014190104
6 ms 202.172.26.31
66 2026-08-22 21:05 639230291048161498
38 ms 202.172.26.31
65 2026-08-22 20:48 639230280894353664
15 ms 202.172.26.31
64 2026-08-22 20:31 639230270699419073
4 ms 202.172.26.31
63 2026-08-22 20:13 639230260248163050
90 ms 202.172.26.31
62 2026-08-22 19:56 639230250122494282
43 ms 202.172.26.31
61 2026-08-22 19:39 639230239972935046
32 ms 202.172.26.31
60 2026-08-22 19:23 639230229963262464
45 ms 202.172.26.31
59 2026-08-22 19:06 639230220033804658
10 ms 202.172.26.31
58 2026-08-22 18:49 639230209891107289
42 ms 202.172.26.31
57 2026-08-22 18:32 639230199630298717
14 ms 202.172.26.31
56 2026-08-22 18:15 639230189301984150
42 ms 202.172.26.31
55 2026-08-22 17:21 639230157138468804
4 ms 202.172.26.31
54 2026-08-22 17:04 639230146987869495
12 ms 202.172.26.31
53 2026-08-22 16:47 639230136768638516
10 ms 202.172.26.31
52 2026-08-22 16:31 639230126735907877
5 ms 202.172.26.31
51 2026-08-22 16:14 639230116551187768
6 ms 202.172.26.31
50 2026-08-22 15:57 639230106335615913
73 ms 202.172.26.31
49 2026-08-22 15:40 639230096177758176
17 ms 202.172.26.31
48 2026-08-22 15:23 639230086185999993
18 ms 202.172.26.31
47 2026-08-22 15:07 639230076247854903
14 ms 202.172.26.31
46 2026-08-22 14:50 639230066076077530
4 ms 202.172.26.31
45 2026-08-22 14:32 639230055738197328
6 ms 202.172.26.31
44 2026-08-22 14:15 639230045411225521
39 ms 202.172.26.31
43 2026-08-22 13:21 639230013046000470
98 ms 202.172.26.31
42 2026-08-22 13:04 639230003090037878
6 ms 202.172.26.31
41 2026-08-22 12:48 639229993008259475
3 ms 202.172.26.31
40 2026-08-22 12:31 639229982909449470
54 ms 202.172.26.31
39 2026-08-22 12:15 639229973035502212
2024 ms 202.172.26.31
38 2026-08-22 11:58 639229963064296145
51 ms 202.172.26.31
37 2026-08-22 11:41 639229952996162143
8 ms 202.172.26.31
36 2026-08-22 11:24 639229943051949195
7 ms 202.172.26.31
35 2026-08-22 11:08 639229932919214934
2034 ms 202.172.26.31
34 2026-08-22 10:51 639229922745889838
30 ms 202.172.26.31
33 2026-08-22 10:34 639229912587214796
17 ms 202.172.26.31
32 2026-08-22 10:17 639229902240004454
281 ms 202.172.26.31
31 2026-08-22 09:24 639229870800501662
37 ms 202.172.26.31
30 2026-08-22 09:08 639229861058384956
57 ms 202.172.26.31
29 2026-08-22 08:52 639229851158592604
15 ms 202.172.26.31
28 2026-08-22 08:35 639229841475569629
2015 ms 202.172.26.31
27 2026-08-22 08:19 639229831887658471
12 ms 202.172.26.31
26 2026-08-22 08:03 639229822043670346
28 ms 202.172.26.31
25 2026-08-22 07:47 639229812327913936
63 ms 202.172.26.31
24 2026-08-22 07:31 639229802629488686
28 ms 202.172.26.31
23 2026-08-22 07:15 639229793051447309
29 ms 202.172.26.31
22 2026-08-22 06:58 639229783303531961
3 ms 202.172.26.31
21 2026-08-22 06:42 639229773458051942
40 ms 202.172.26.31
20 2026-08-22 06:25 639229763373848056
33 ms 202.172.26.31
19 2026-08-22 05:33 639229732140622809
8 ms 202.172.26.31
18 2026-08-22 05:17 639229722699695967
6 ms 202.172.26.31
17 2026-08-22 05:01 639229713097498075
5 ms 202.172.26.31
16 2026-08-22 04:45 639229703543969637
3 ms 202.172.26.31
15 2026-08-22 04:30 639229693970392873
4 ms 202.172.26.31
14 2026-08-22 04:13 639229684277329469
4 ms 202.172.26.31
13 2026-08-22 03:57 639229674501596661
7 ms 202.172.26.31
12 2026-08-22 03:41 639229665064441147
14 ms 202.172.26.31
11 2026-08-22 03:25 639229655507536872
9 ms 202.172.26.31
10 2026-08-22 03:09 639229645849603111
4 ms 202.172.26.31
9 2026-08-22 02:53 639229636090497453
30 ms 202.172.26.31
8 2026-08-22 02:36 639229625978544281
5 ms 202.172.26.31
7 2026-08-22 01:44 639229594644662176
18 ms 202.172.26.31
6 2026-08-22 01:28 639229585214633065
55 ms 202.172.26.31
5 2026-08-22 01:12 639229575581042175
2026 ms 202.172.26.31
4 2026-08-22 00:56 639229565912268962
23 ms 202.172.26.31
3 2026-08-22 00:40 639229556237813203
12 ms 202.172.26.31
2 2026-08-22 00:24 639229546625802518
15 ms 202.172.26.31
1 2026-08-22 00:08 639229537172016621
24 ms 202.172.26.31