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 2026-08-16. For this date, NameServerHistory found 60 DNS check records, 59 successful responses, 1 failed responses, and 240 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

60

Historical checks stored for this nameserver on selected date

Average Latency

240 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-16 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

59

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

2%

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 2026-08-16 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
60 2026-08-16 23:52 639225207490611656
2 ms 202.172.26.31
59 2026-08-16 23:36 639225198045815385
8 ms 202.172.26.31
58 2026-08-16 22:43 639225166825544741
24 ms 202.172.26.31
57 2026-08-16 22:27 639225157549461269
119 ms 202.172.26.31
56 2026-08-16 22:11 639225147914556308
21 ms 202.172.26.31
55 2026-08-16 21:56 639225138472322960
11 ms 202.172.26.31
54 2026-08-16 21:03 639225107211236826
25 ms 202.172.26.31
53 2026-08-16 20:48 639225097684457510
41 ms 202.172.26.31
52 2026-08-16 20:31 639225087942913396
12 ms 202.172.26.31
51 2026-08-16 20:15 639225078238684183
35 ms 202.172.26.31
50 2026-08-16 19:23 639225046944151094
15 ms 202.172.26.31
49 2026-08-16 19:07 639225037234857231
21 ms 202.172.26.31
48 2026-08-16 18:51 639225027423459920
-
47 2026-08-16 18:34 639225017891613027
7 ms 202.172.26.31
46 2026-08-16 17:42 639224986298183527
6 ms 202.172.26.31
45 2026-08-16 17:26 639224976567107023
11 ms 202.172.26.31
44 2026-08-16 17:10 639224966709723386
32 ms 202.172.26.31
43 2026-08-16 16:53 639224957175756942
25 ms 202.172.26.31
42 2026-08-16 16:01 639224925782379869
33 ms 202.172.26.31
41 2026-08-16 15:46 639224916429532459
27 ms 202.172.26.31
40 2026-08-16 15:30 639224906878325623
38 ms 202.172.26.31
39 2026-08-16 15:14 639224897258974385
41 ms 202.172.26.31
38 2026-08-16 14:22 639224866169532828
29 ms 202.172.26.31
37 2026-08-16 14:06 639224856561831915
2034 ms 202.172.26.31
36 2026-08-16 13:50 639224846830897794
101 ms 202.172.26.31
35 2026-08-16 13:34 639224836975863283
283 ms 202.172.26.31
34 2026-08-16 12:40 639224804985340946
75 ms 202.172.26.31
33 2026-08-16 12:24 639224795567782333
37 ms 202.172.26.31
32 2026-08-16 12:08 639224785914225250
2016 ms 202.172.26.31
31 2026-08-16 11:52 639224776383854998
32 ms 202.172.26.31
30 2026-08-16 10:59 639224744252113993
36 ms 202.172.26.31
29 2026-08-16 10:42 639224734238905542
8 ms 202.172.26.31
28 2026-08-16 10:26 639224724335031221
7 ms 202.172.26.31
27 2026-08-16 10:09 639224714475244430
2022 ms 202.172.26.31
26 2026-08-16 09:13 639224681063874153
36 ms 202.172.26.31
25 2026-08-16 08:57 639224671038956665
7 ms 202.172.26.31
24 2026-08-16 08:40 639224661079806122
136 ms 202.172.26.31
23 2026-08-16 08:24 639224651169993038
2046 ms 202.172.26.31
22 2026-08-16 07:29 639224618882283050
38 ms 202.172.26.31
21 2026-08-16 07:14 639224609519965372
11 ms 202.172.26.31
20 2026-08-16 06:58 639224599969658888
10 ms 202.172.26.31
19 2026-08-16 06:42 639224590360343307
114 ms 202.172.26.31
18 2026-08-16 05:49 639224558901831832
81 ms 202.172.26.31
17 2026-08-16 05:34 639224549678210576
25 ms 202.172.26.31
16 2026-08-16 05:19 639224540433420642
23 ms 202.172.26.31
15 2026-08-16 05:03 639224531046032443
2024 ms 202.172.26.31
14 2026-08-16 04:11 639224499638024410
2019 ms 202.172.26.31
13 2026-08-16 03:55 639224490358783451
11 ms 202.172.26.31
12 2026-08-16 03:40 639224481111410545
16 ms 202.172.26.31
11 2026-08-16 03:24 639224471809153772
47 ms 202.172.26.31
10 2026-08-16 02:32 639224440124457324
8 ms 202.172.26.31
9 2026-08-16 02:17 639224430921105721
55 ms 202.172.26.31
8 2026-08-16 02:01 639224421455433103
31 ms 202.172.26.31
7 2026-08-16 01:45 639224412089740331
38 ms 202.172.26.31
6 2026-08-16 01:30 639224403168392868
15 ms 202.172.26.31
5 2026-08-16 01:15 639224393856251387
29 ms 202.172.26.31
4 2026-08-16 00:59 639224384677141438
15 ms 202.172.26.31
3 2026-08-16 00:44 639224375597986398
65 ms 202.172.26.31
2 2026-08-16 00:29 639224366430296466
5 ms 202.172.26.31
1 2026-08-16 00:13 639224357218176789
13 ms 202.172.26.31