DNS response history for dns1.psinc.jp

dns1.psinc.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 2026-08-18. For this date, NameServerHistory found 75 DNS check records, 74 successful responses, 1 failed responses, and 201 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 dns1.psinc.jp.
Records on Selected Date

75

Historical checks stored for this nameserver on selected date

Average Latency

201 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-18 23:49

All timestamps shown in UTC

Latest Resolved IP on Selected Date

221.247.26.130

Most recently resolved hosting IP on selected date

Successful Responses

74

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 dns1.psinc.jp

Showing DNS history for 2026-08-18 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
75 2026-08-18 23:49 639226935204800669
4 ms 221.247.26.130
74 2026-08-18 23:33 639226925298919497
-
73 2026-08-18 23:16 639226915487885053
36 ms 221.247.26.130
72 2026-08-18 23:00 639226905465760034
38 ms 221.247.26.130
71 2026-08-18 22:43 639226895378104692
2012 ms 221.247.26.130
70 2026-08-18 21:49 639226863374232622
26 ms 221.247.26.130
69 2026-08-18 21:33 639226853698516058
21 ms 221.247.26.130
68 2026-08-18 21:17 639226843797360601
20 ms 221.247.26.130
67 2026-08-18 21:01 639226834046588155
56 ms 221.247.26.130
66 2026-08-18 20:44 639226824234488533
24 ms 221.247.26.130
65 2026-08-18 20:28 639226814549928621
40 ms 221.247.26.130
64 2026-08-18 20:12 639226804721432353
64 ms 221.247.26.130
63 2026-08-18 19:56 639226795048828184
24 ms 221.247.26.130
62 2026-08-18 19:39 639226785202482420
34 ms 221.247.26.130
61 2026-08-18 19:23 639226775309362607
4 ms 221.247.26.130
60 2026-08-18 19:06 639226765406586155
53 ms 221.247.26.130
59 2026-08-18 18:50 639226755437790519
2036 ms 221.247.26.130
58 2026-08-18 17:57 639226723856194457
31 ms 221.247.26.130
57 2026-08-18 17:40 639226714050583422
6 ms 221.247.26.130
56 2026-08-18 17:24 639226704236499724
51 ms 221.247.26.130
55 2026-08-18 17:08 639226694184520163
62 ms 221.247.26.130
54 2026-08-18 16:51 639226684161203477
31 ms 221.247.26.130
53 2026-08-18 16:34 639226674305430109
31 ms 221.247.26.130
52 2026-08-18 16:18 639226664489607984
19 ms 221.247.26.130
51 2026-08-18 16:01 639226654533111667
198 ms 221.247.26.130
50 2026-08-18 15:45 639226644778594725
37 ms 221.247.26.130
49 2026-08-18 15:29 639226634901553621
23 ms 221.247.26.130
48 2026-08-18 15:12 639226624921864967
46 ms 221.247.26.130
47 2026-08-18 14:55 639226614939419403
25 ms 221.247.26.130
46 2026-08-18 14:02 639226583021074771
117 ms 221.247.26.130
45 2026-08-18 13:46 639226573279933585
51 ms 221.247.26.130
44 2026-08-18 13:30 639226563494036301
2806 ms 221.247.26.130
43 2026-08-18 13:13 639226553708216256
39 ms 221.247.26.130
42 2026-08-18 12:57 639226544003734815
30 ms 221.247.26.130
41 2026-08-18 12:41 639226534105733155
23 ms 221.247.26.130
40 2026-08-18 12:24 639226524298118898
37 ms 221.247.26.130
39 2026-08-18 12:08 639226514525195335
51 ms 221.247.26.130
38 2026-08-18 11:52 639226504703635320
465 ms 221.247.26.130
37 2026-08-18 11:35 639226494737271720
48 ms 221.247.26.130
36 2026-08-18 11:19 639226485005027236
72 ms 221.247.26.130
35 2026-08-18 11:02 639226475133236105
48 ms 221.247.26.130
34 2026-08-18 10:09 639226442975077052
2073 ms 221.247.26.130
33 2026-08-18 09:53 639226433317932039
38 ms 221.247.26.130
32 2026-08-18 09:37 639226423688431096
22 ms 221.247.26.130
31 2026-08-18 09:20 639226413998250045
13 ms 221.247.26.130
30 2026-08-18 09:04 639226404284554875
40 ms 221.247.26.130
29 2026-08-18 08:48 639226394637043309
491 ms 221.247.26.130
28 2026-08-18 08:32 639226385052447582
34 ms 221.247.26.130
27 2026-08-18 08:16 639226375506189603
12 ms 221.247.26.130
26 2026-08-18 08:00 639226365690646426
6 ms 221.247.26.130
25 2026-08-18 07:44 639226355771007701
2028 ms 221.247.26.130
24 2026-08-18 07:27 639226345946269369
61 ms 221.247.26.130
23 2026-08-18 07:11 639226336241601848
52 ms 221.247.26.130
22 2026-08-18 06:19 639226304950675290
23 ms 221.247.26.130
21 2026-08-18 06:03 639226295324754616
34 ms 221.247.26.130
20 2026-08-18 05:47 639226285824640601
48 ms 221.247.26.130
19 2026-08-18 05:31 639226276321223917
117 ms 221.247.26.130
18 2026-08-18 05:15 639226266800200046
8 ms 221.247.26.130
17 2026-08-18 04:59 639226256958066164
327 ms 221.247.26.130
16 2026-08-18 04:43 639226247432364597
43 ms 221.247.26.130
15 2026-08-18 04:27 639226237703388552
29 ms 221.247.26.130
14 2026-08-18 04:11 639226227937569589
17 ms 221.247.26.130
13 2026-08-18 03:54 639226218052465471
46 ms 221.247.26.130
12 2026-08-18 03:38 639226208429623997
26 ms 221.247.26.130
11 2026-08-18 03:22 639226198800675295
21 ms 221.247.26.130
10 2026-08-18 02:30 639226167722042574
35 ms 221.247.26.130
9 2026-08-18 02:14 639226158277924383
81 ms 221.247.26.130
8 2026-08-18 01:58 639226148757810592
29 ms 221.247.26.130
7 2026-08-18 01:43 639226139348611045
43 ms 221.247.26.130
6 2026-08-18 01:27 639226129823462907
18 ms 221.247.26.130
5 2026-08-18 01:11 639226120218260005
57 ms 221.247.26.130
4 2026-08-18 00:55 639226110875503904
40 ms 221.247.26.130
3 2026-08-18 00:39 639226101376311912
68 ms 221.247.26.130
2 2026-08-18 00:24 639226091924943492
37 ms 221.247.26.130
1 2026-08-18 00:07 639226082133158124
28 ms 221.247.26.130