DNS response history for ns1.h4u.jp

ns1.h4u.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 2026-08-25. For this date, NameServerHistory found 121 DNS check records, 120 successful responses, 1 failed responses, and 114 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 ns1.h4u.jp.
Records on Selected Date

121

Historical checks stored for this nameserver on selected date

Average Latency

114 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 20:53

All timestamps shown in UTC

Latest Resolved IP on Selected Date

185.136.96.77

Most recently resolved hosting IP on selected date

Successful Responses

120

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 ns1.h4u.jp

Showing DNS history for 2026-08-25 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
121 2026-08-25 20:53 639232880143390843
174 ms 185.136.96.77
120 2026-08-25 20:53 639232880143390843
174 ms 185.136.98.77
119 2026-08-25 20:36 639232869755024069
14 ms 185.136.96.77
118 2026-08-25 20:36 639232869755024069
14 ms 185.136.98.77
117 2026-08-25 20:19 639232859355940346
26 ms 185.136.96.77
116 2026-08-25 20:19 639232859355940346
26 ms 185.136.98.77
115 2026-08-25 20:01 639232848992244953
37 ms 185.136.98.77
114 2026-08-25 20:01 639232848992244953
37 ms 185.136.96.77
113 2026-08-25 19:44 639232838596478500
29 ms 185.136.96.77
112 2026-08-25 19:44 639232838596478500
29 ms 185.136.98.77
111 2026-08-25 19:27 639232828175327683
94 ms 185.136.96.77
110 2026-08-25 19:27 639232828175327683
94 ms 185.136.98.77
109 2026-08-25 19:09 639232817798330473
12 ms 185.136.98.77
108 2026-08-25 19:09 639232817798330473
12 ms 185.136.96.77
107 2026-08-25 18:15 639232785462407552
19 ms 185.136.96.77
106 2026-08-25 18:15 639232785462407552
19 ms 185.136.98.77
105 2026-08-25 17:58 639232775177487032
25 ms 185.136.96.77
104 2026-08-25 17:58 639232775177487032
25 ms 185.136.98.77
103 2026-08-25 17:41 639232764991087115
16 ms 185.136.96.77
102 2026-08-25 17:41 639232764991087115
16 ms 185.136.98.77
101 2026-08-25 17:24 639232754842971478
58 ms 185.136.96.77
100 2026-08-25 17:24 639232754842971478
58 ms 185.136.98.77
99 2026-08-25 17:07 639232744455159107
11 ms 185.136.96.77
98 2026-08-25 17:07 639232744455159107
11 ms 185.136.98.77
97 2026-08-25 16:50 639232734145178231
19 ms 185.136.98.77
96 2026-08-25 16:50 639232734145178231
19 ms 185.136.96.77
95 2026-08-25 16:33 639232723827874402
35 ms 185.136.96.77
94 2026-08-25 16:33 639232723827874402
35 ms 185.136.98.77
93 2026-08-25 16:16 639232713533011892
123 ms 185.136.96.77
92 2026-08-25 16:16 639232713533011892
123 ms 185.136.98.77
91 2026-08-25 15:58 639232703065318207
30 ms 185.136.96.77
90 2026-08-25 15:58 639232703065318207
30 ms 185.136.98.77
89 2026-08-25 15:41 639232692629559470
-
88 2026-08-25 15:23 639232682238836475
20 ms 185.136.98.77
87 2026-08-25 15:23 639232682238836475
20 ms 185.136.96.77
86 2026-08-25 15:06 639232671787004306
315 ms 185.136.96.77
85 2026-08-25 15:06 639232671787004306
315 ms 185.136.98.77
84 2026-08-25 14:11 639232638994329666
2012 ms 185.136.98.77
83 2026-08-25 14:11 639232638994329666
2012 ms 185.136.96.77
82 2026-08-25 13:54 639232628614783237
12 ms 185.136.98.77
81 2026-08-25 13:54 639232628614783237
12 ms 185.136.96.77
80 2026-08-25 13:37 639232618360728578
27 ms 185.136.96.77
79 2026-08-25 13:37 639232618360728578
27 ms 185.136.98.77
78 2026-08-25 13:20 639232608016476376
49 ms 185.136.98.77
77 2026-08-25 13:20 639232608016476376
49 ms 185.136.96.77
76 2026-08-25 13:02 639232597643611557
33 ms 185.136.98.77
75 2026-08-25 13:02 639232597643611557
33 ms 185.136.96.77
74 2026-08-25 12:45 639232587225721862
19 ms 185.136.98.77
73 2026-08-25 12:45 639232587225721862
19 ms 185.136.96.77
72 2026-08-25 12:28 639232576780683689
102 ms 185.136.98.77
71 2026-08-25 12:28 639232576780683689
102 ms 185.136.96.77
70 2026-08-25 12:10 639232566381512620
44 ms 185.136.96.77
69 2026-08-25 12:10 639232566381512620
44 ms 185.136.98.77
68 2026-08-25 11:53 639232556111768563
44 ms 185.136.96.77
67 2026-08-25 11:53 639232556111768563
44 ms 185.136.98.77
66 2026-08-25 11:36 639232545839529039
42 ms 185.136.98.77
65 2026-08-25 11:36 639232545839529039
42 ms 185.136.96.77
64 2026-08-25 11:19 639232535349285207
61 ms 185.136.96.77
63 2026-08-25 11:19 639232535349285207
61 ms 185.136.98.77
62 2026-08-25 11:01 639232524938080723
33 ms 185.136.96.77
61 2026-08-25 11:01 639232524938080723
33 ms 185.136.98.77
60 2026-08-25 10:08 639232492740373468
29 ms 185.136.96.77
59 2026-08-25 10:08 639232492740373468
29 ms 185.136.98.77
58 2026-08-25 09:50 639232482235303141
18 ms 185.136.98.77
57 2026-08-25 09:50 639232482235303141
18 ms 185.136.96.77
56 2026-08-25 09:33 639232471861770303
396 ms 185.136.96.77
55 2026-08-25 09:33 639232471861770303
396 ms 185.136.98.77
54 2026-08-25 09:16 639232461630217327
28 ms 185.136.98.77
53 2026-08-25 09:16 639232461630217327
28 ms 185.136.96.77
52 2026-08-25 08:59 639232451282965990
18 ms 185.136.96.77
51 2026-08-25 08:59 639232451282965990
18 ms 185.136.98.77
50 2026-08-25 08:41 639232440814614938
30 ms 185.136.96.77
49 2026-08-25 08:41 639232440814614938
30 ms 185.136.98.77
48 2026-08-25 08:24 639232430410720425
33 ms 185.136.98.77
47 2026-08-25 08:24 639232430410720425
33 ms 185.136.96.77
46 2026-08-25 08:06 639232420003096185
36 ms 185.136.98.77
45 2026-08-25 08:06 639232420003096185
36 ms 185.136.96.77
44 2026-08-25 07:49 639232409467287444
19 ms 185.136.96.77
43 2026-08-25 07:49 639232409467287444
19 ms 185.136.98.77
42 2026-08-25 07:32 639232399077195997
110 ms 185.136.96.77
41 2026-08-25 07:32 639232399077195997
110 ms 185.136.98.77
40 2026-08-25 07:14 639232388731528337
18 ms 185.136.96.77
39 2026-08-25 07:14 639232388731528337
18 ms 185.136.98.77
38 2026-08-25 06:57 639232378288598612
29 ms 185.136.98.77
37 2026-08-25 06:57 639232378288598612
29 ms 185.136.96.77
36 2026-08-25 06:03 639232346196373643
4 ms 185.136.98.77
35 2026-08-25 06:03 639232346196373643
4 ms 185.136.96.77
34 2026-08-25 05:47 639232336112370741
64 ms 185.136.96.77
33 2026-08-25 05:47 639232336112370741
64 ms 185.136.98.77
32 2026-08-25 05:30 639232326146508970
20 ms 185.136.96.77
31 2026-08-25 05:30 639232326146508970
20 ms 185.136.98.77
30 2026-08-25 05:13 639232316189381720
25 ms 185.136.98.77
29 2026-08-25 05:13 639232316189381720
25 ms 185.136.96.77
28 2026-08-25 04:57 639232306217998913
10 ms 185.136.98.77
27 2026-08-25 04:57 639232306217998913
10 ms 185.136.96.77
26 2026-08-25 04:40 639232296255744174
50 ms 185.136.96.77
25 2026-08-25 04:40 639232296255744174
50 ms 185.136.98.77
24 2026-08-25 04:23 639232286095760789
27 ms 185.136.98.77
23 2026-08-25 04:23 639232286095760789
27 ms 185.136.96.77
22 2026-08-25 04:07 639232276086186273
51 ms 185.136.96.77
21 2026-08-25 04:07 639232276086186273
51 ms 185.136.98.77
20 2026-08-25 03:50 639232265900986425
17 ms 185.136.96.77
19 2026-08-25 03:50 639232265900986425
17 ms 185.136.98.77
18 2026-08-25 03:33 639232255723518075
16 ms 185.136.98.77
17 2026-08-25 03:33 639232255723518075
16 ms 185.136.96.77
16 2026-08-25 03:16 639232245484452890
21 ms 185.136.98.77
15 2026-08-25 03:16 639232245484452890
21 ms 185.136.96.77
14 2026-08-25 02:58 639232235157175331
83 ms 185.136.96.77
13 2026-08-25 02:58 639232235157175331
83 ms 185.136.98.77
12 2026-08-25 02:05 639232203197189095
43 ms 185.136.98.77
11 2026-08-25 02:05 639232203197189095
43 ms 185.136.96.77
10 2026-08-25 01:48 639232192844564298
31 ms 185.136.98.77
9 2026-08-25 01:48 639232192844564298
31 ms 185.136.96.77
8 2026-08-25 01:31 639232182496008942
2015 ms 185.136.98.77
7 2026-08-25 01:31 639232182496008942
2015 ms 185.136.96.77
6 2026-08-25 01:13 639232172197053132
30 ms 185.136.98.77
5 2026-08-25 01:13 639232172197053132
30 ms 185.136.96.77
4 2026-08-25 00:20 639232140250307418
17 ms 185.136.96.77
3 2026-08-25 00:20 639232140250307418
17 ms 185.136.98.77
2 2026-08-25 00:03 639232129927860324
23 ms 185.136.96.77
1 2026-08-25 00:03 639232129927860324
23 ms 185.136.98.77