DNS response history for m2.coreserver.jp

m2.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 2026-08-13. For this date, NameServerHistory found 72 DNS check records, 71 successful responses, 1 failed responses, and 255 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 m2.coreserver.jp.
Records on Selected Date

72

Historical checks stored for this nameserver on selected date

Average Latency

255 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-13 23:54

All timestamps shown in UTC

Latest Resolved IP on Selected Date

202.172.26.3

Most recently resolved hosting IP on selected date

Successful Responses

71

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 m2.coreserver.jp

Showing DNS history for 2026-08-13 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
72 2026-08-13 23:54 639222618462620588
22 ms 202.172.26.3
71 2026-08-13 23:38 639222608688333012
14 ms 202.172.26.3
70 2026-08-13 23:21 639222598741756356
111 ms 202.172.26.3
69 2026-08-13 23:04 639222588615244093
34 ms 202.172.26.3
68 2026-08-13 22:11 639222556495289724
7 ms 202.172.26.3
67 2026-08-13 21:54 639222546477917698
12 ms 202.172.26.3
66 2026-08-13 21:37 639222536257653790
5 ms 202.172.26.3
65 2026-08-13 21:20 639222525833084485
8 ms 202.172.26.3
64 2026-08-13 21:03 639222515446085004
28 ms 202.172.26.3
63 2026-08-13 20:45 639222505166766781
35 ms 202.172.26.3
62 2026-08-13 20:28 639222494930541001
2017 ms 202.172.26.3
61 2026-08-13 20:11 639222484469216890
30 ms 202.172.26.3
60 2026-08-13 19:54 639222474270039940
9 ms 202.172.26.3
59 2026-08-13 19:37 639222464005587385
25 ms 202.172.26.3
58 2026-08-13 19:19 639222453485975041
45 ms 202.172.26.3
57 2026-08-13 19:02 639222442984828770
22 ms 202.172.26.3
56 2026-08-13 18:07 639222410191353397
35 ms 202.172.26.3
55 2026-08-13 17:50 639222399952628376
2020 ms 202.172.26.3
54 2026-08-13 17:33 639222389608608647
8 ms 202.172.26.3
53 2026-08-13 17:16 639222379604012481
12 ms 202.172.26.3
52 2026-08-13 16:59 639222369372672858
53 ms 202.172.26.3
51 2026-08-13 16:42 639222359096909298
23 ms 202.172.26.3
50 2026-08-13 16:25 639222348814301655
9 ms 202.172.26.3
49 2026-08-13 16:08 639222338608331104
22 ms 202.172.26.3
48 2026-08-13 15:51 639222328204609760
2041 ms 202.172.26.3
47 2026-08-13 15:33 639222317859759909
33 ms 202.172.26.3
46 2026-08-13 15:16 639222307560137918
30 ms 202.172.26.3
45 2026-08-13 14:59 639222297274357149
30 ms 202.172.26.3
44 2026-08-13 14:06 639222265004477827
32 ms 202.172.26.3
43 2026-08-13 13:49 639222255176583683
62 ms 202.172.26.3
42 2026-08-13 13:33 639222245340146131
7 ms 202.172.26.3
41 2026-08-13 13:17 639222235662219956
8 ms 202.172.26.3
40 2026-08-13 13:01 639222225817223284
14 ms 202.172.26.3
39 2026-08-13 12:45 639222216341869648
14 ms 202.172.26.3
38 2026-08-13 12:29 639222206848442189
10 ms 202.172.26.3
37 2026-08-13 12:13 639222197538963225
7 ms 202.172.26.3
36 2026-08-13 11:57 639222188113685569
21 ms 202.172.26.3
35 2026-08-13 11:42 639222178880138458
5 ms 202.172.26.3
34 2026-08-13 11:26 639222169343013317
6 ms 202.172.26.3
33 2026-08-13 11:11 639222159910600596
15 ms 202.172.26.3
32 2026-08-13 10:16 639222128676274866
15 ms 202.172.26.3
31 2026-08-13 10:01 639222119169781983
31 ms 202.172.26.3
30 2026-08-13 09:45 639222109996148889
2044 ms 202.172.26.3
29 2026-08-13 09:30 639222100791323799
-
28 2026-08-13 09:15 639222091647893142
56 ms 202.172.26.3
27 2026-08-13 09:00 639222082524717649
8 ms 202.172.26.3
26 2026-08-13 08:44 639222073378630456
11 ms 202.172.26.3
25 2026-08-13 08:30 639222064537306701
2059 ms 202.172.26.3
24 2026-08-13 08:14 639222055409471864
2031 ms 202.172.26.3
23 2026-08-13 07:59 639222046117152411
15 ms 202.172.26.3
22 2026-08-13 07:44 639222036915107067
18 ms 202.172.26.3
21 2026-08-13 07:28 639222027654889141
8 ms 202.172.26.3
20 2026-08-13 06:37 639221996824612035
11 ms 202.172.26.3
19 2026-08-13 06:22 639221987863418113
8 ms 202.172.26.3
18 2026-08-13 06:07 639221979006823112
35 ms 202.172.26.3
17 2026-08-13 05:52 639221970068466615
12 ms 202.172.26.3
16 2026-08-13 05:37 639221961001585139
27 ms 202.172.26.3
15 2026-08-13 05:22 639221952104046397
52 ms 202.172.26.3
14 2026-08-13 05:08 639221943247694484
49 ms 202.172.26.3
13 2026-08-13 04:53 639221934603388241
33 ms 202.172.26.3
12 2026-08-13 04:38 639221925729273358
22 ms 202.172.26.3
11 2026-08-13 04:24 639221916777813401
47 ms 202.172.26.3
10 2026-08-13 04:09 639221907816913910
2027 ms 202.172.26.3
9 2026-08-13 03:53 639221898639694322
117 ms 202.172.26.3
8 2026-08-13 03:02 639221868257567489
98 ms 202.172.26.3
7 2026-08-13 02:47 639221859270235608
7 ms 202.172.26.3
6 2026-08-13 02:32 639221850184464515
2073 ms 202.172.26.3
5 2026-08-13 02:17 639221841141973425
130 ms 202.172.26.3
4 2026-08-13 01:26 639221810548753083
11 ms 202.172.26.3
3 2026-08-13 01:11 639221801656796262
21 ms 202.172.26.3
2 2026-08-13 00:56 639221792658715334
40 ms 202.172.26.3
1 2026-08-13 00:41 639221783571379176
29 ms 202.172.26.3