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 2026-08-27. For this date, NameServerHistory found 71 DNS check records, 71 successful responses, 0 failed responses, and 250 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

71

Historical checks stored for this nameserver on selected date

Average Latency

250 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-27 23:17

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

71

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 2026-08-27 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
71 2026-08-27 23:17 639234690580226618
13 ms 202.172.26.31
70 2026-08-27 23:00 639234680477852135
12 ms 202.172.26.31
69 2026-08-27 22:43 639234670282270693
5 ms 202.172.26.31
68 2026-08-27 22:26 639234660146106544
5 ms 202.172.26.31
67 2026-08-27 22:09 639234649768231829
3 ms 202.172.26.31
66 2026-08-27 21:52 639234639589413826
23 ms 202.172.26.31
65 2026-08-27 21:35 639234629372993861
6 ms 202.172.26.31
64 2026-08-27 21:18 639234619223904344
5 ms 202.172.26.31
63 2026-08-27 21:01 639234608944811927
32 ms 202.172.26.31
62 2026-08-27 20:44 639234598661858910
2028 ms 202.172.26.31
61 2026-08-27 20:27 639234588314533893
12 ms 202.172.26.31
60 2026-08-27 20:09 639234577878211878
2019 ms 202.172.26.31
59 2026-08-27 19:15 639234545578367474
6 ms 202.172.26.31
58 2026-08-27 18:58 639234535255111795
2066 ms 202.172.26.31
57 2026-08-27 18:41 639234525107594067
17 ms 202.172.26.31
56 2026-08-27 18:24 639234514890244566
38 ms 202.172.26.31
55 2026-08-27 18:07 639234504745477862
26 ms 202.172.26.31
54 2026-08-27 17:50 639234494449227290
55 ms 202.172.26.31
53 2026-08-27 17:33 639234484118025686
14 ms 202.172.26.31
52 2026-08-27 17:16 639234473946362077
21 ms 202.172.26.31
51 2026-08-27 16:59 639234463759124388
44 ms 202.172.26.31
50 2026-08-27 16:42 639234453500759178
11 ms 202.172.26.31
49 2026-08-27 16:24 639234442983541638
2019 ms 202.172.26.31
48 2026-08-27 16:07 639234432404354562
9 ms 202.172.26.31
47 2026-08-27 15:12 639234399767719119
6 ms 202.172.26.31
46 2026-08-27 14:55 639234389460601485
27 ms 202.172.26.31
45 2026-08-27 14:38 639234379227178707
23 ms 202.172.26.31
44 2026-08-27 14:21 639234369065315214
7 ms 202.172.26.31
43 2026-08-27 14:04 639234358825501576
2021 ms 202.172.26.31
42 2026-08-27 13:47 639234348572745268
10 ms 202.172.26.31
41 2026-08-27 13:30 639234338264503481
9 ms 202.172.26.31
40 2026-08-27 13:12 639234327818741376
11 ms 202.172.26.31
39 2026-08-27 12:55 639234317475724313
48 ms 202.172.26.31
38 2026-08-27 12:38 639234307007468133
27 ms 202.172.26.31
37 2026-08-27 12:20 639234296664302575
22 ms 202.172.26.31
36 2026-08-27 12:03 639234286253196126
11 ms 202.172.26.31
35 2026-08-27 11:09 639234253963286387
20 ms 202.172.26.31
34 2026-08-27 10:52 639234243654907465
11 ms 202.172.26.31
33 2026-08-27 10:35 639234233269654413
18 ms 202.172.26.31
32 2026-08-27 10:18 639234222943951923
14 ms 202.172.26.31
31 2026-08-27 10:00 639234212558002823
63 ms 202.172.26.31
30 2026-08-27 09:43 639234202117531850
23 ms 202.172.26.31
29 2026-08-27 09:25 639234191649612722
9 ms 202.172.26.31
28 2026-08-27 09:08 639234181105879568
2015 ms 202.172.26.31
27 2026-08-27 08:50 639234170713214496
8 ms 202.172.26.31
26 2026-08-27 08:33 639234160341037652
157 ms 202.172.26.31
25 2026-08-27 08:16 639234149799404224
6 ms 202.172.26.31
24 2026-08-27 07:59 639234139553286469
5 ms 202.172.26.31
23 2026-08-27 07:05 639234107183588293
6 ms 202.172.26.31
22 2026-08-27 06:47 639234096905435724
15 ms 202.172.26.31
21 2026-08-27 06:30 639234086579410775
5 ms 202.172.26.31
20 2026-08-27 06:13 639234076291157956
6 ms 202.172.26.31
19 2026-08-27 05:56 639234065981939454
104 ms 202.172.26.31
18 2026-08-27 05:39 639234055548642997
7 ms 202.172.26.31
17 2026-08-27 05:21 639234045267979603
64 ms 202.172.26.31
16 2026-08-27 05:04 639234034999717463
32 ms 202.172.26.31
15 2026-08-27 04:47 639234024739225358
22 ms 202.172.26.31
14 2026-08-27 04:30 639234014311170162
48 ms 202.172.26.31
13 2026-08-27 04:12 639234003806017640
21 ms 202.172.26.31
12 2026-08-27 03:55 639233993356203030
119 ms 202.172.26.31
11 2026-08-27 03:02 639233961301716608
27 ms 202.172.26.31
10 2026-08-27 02:44 639233950834200647
12 ms 202.172.26.31
9 2026-08-27 02:27 639233940431849026
13 ms 202.172.26.31
8 2026-08-27 02:10 639233930110596398
2010 ms 202.172.26.31
7 2026-08-27 01:52 639233919705434540
2028 ms 202.172.26.31
6 2026-08-27 01:35 639233909452807845
4 ms 202.172.26.31
5 2026-08-27 01:18 639233899096420820
6 ms 202.172.26.31
4 2026-08-27 01:01 639233888707824939
14 ms 202.172.26.31
3 2026-08-27 00:43 639233878461203802
15 ms 202.172.26.31
2 2026-08-27 00:26 639233868060868209
13 ms 202.172.26.31
1 2026-08-27 00:09 639233857450922991
90 ms 202.172.26.31