DNS response history for islsrv1.isl-net.co.jp

islsrv1.isl-net.co.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 67 DNS check records, 67 successful responses, 0 failed responses, and 398 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 islsrv1.isl-net.co.jp.
Records on Selected Date

67

Historical checks stored for this nameserver on selected date

Average Latency

398 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 23:27

All timestamps shown in UTC

Latest Resolved IP on Selected Date

218.216.182.145

Most recently resolved hosting IP on selected date

Successful Responses

67

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 islsrv1.isl-net.co.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
67 2026-08-25 23:27 639232964577050707
2 ms 218.216.182.145
66 2026-08-25 22:33 639232932163142799
564 ms 218.216.182.145
65 2026-08-25 22:16 639232921673215474
566 ms 218.216.182.145
64 2026-08-25 21:59 639232911234504639
2 ms 218.216.182.145
63 2026-08-25 21:41 639232900747078453
3 ms 218.216.182.145
62 2026-08-25 21:24 639232890389222534
800 ms 218.216.182.145
61 2026-08-25 21:06 639232880143390843
4 ms 218.216.182.145
60 2026-08-25 20:49 639232869755024069
815 ms 218.216.182.145
59 2026-08-25 20:32 639232859355940346
566 ms 218.216.182.145
58 2026-08-25 20:15 639232848992244953
579 ms 218.216.182.145
57 2026-08-25 19:57 639232838596478500
5 ms 218.216.182.145
56 2026-08-25 19:40 639232828175327683
8 ms 218.216.182.145
55 2026-08-25 19:23 639232817798330473
3 ms 218.216.182.145
54 2026-08-25 18:29 639232785462407552
401 ms 218.216.182.145
53 2026-08-25 18:12 639232775177487032
3 ms 218.216.182.145
52 2026-08-25 17:54 639232764991087115
556 ms 218.216.182.145
51 2026-08-25 17:38 639232754842971478
573 ms 218.216.182.145
50 2026-08-25 17:21 639232744455159107
587 ms 218.216.182.145
49 2026-08-25 17:03 639232734145178231
589 ms 218.216.182.145
48 2026-08-25 16:46 639232723827874402
594 ms 218.216.182.145
47 2026-08-25 16:29 639232713533011892
4 ms 218.216.182.145
46 2026-08-25 16:12 639232703065318207
5 ms 218.216.182.145
45 2026-08-25 15:54 639232692629559470
4 ms 218.216.182.145
44 2026-08-25 15:37 639232682238836475
573 ms 218.216.182.145
43 2026-08-25 15:19 639232671787004306
583 ms 218.216.182.145
42 2026-08-25 14:25 639232638994329666
591 ms 218.216.182.145
41 2026-08-25 14:08 639232628614783237
571 ms 218.216.182.145
40 2026-08-25 13:50 639232618360728578
578 ms 218.216.182.145
39 2026-08-25 13:33 639232608016476376
3 ms 218.216.182.145
38 2026-08-25 13:16 639232597643611557
5 ms 218.216.182.145
37 2026-08-25 12:59 639232587225721862
595 ms 218.216.182.145
36 2026-08-25 12:41 639232576780683689
565 ms 218.216.182.145
35 2026-08-25 12:24 639232566381512620
845 ms 218.216.182.145
34 2026-08-25 12:06 639232556111768563
577 ms 218.216.182.145
33 2026-08-25 11:49 639232545839529039
588 ms 218.216.182.145
32 2026-08-25 11:32 639232535349285207
595 ms 218.216.182.145
31 2026-08-25 11:15 639232524938080723
4 ms 218.216.182.145
30 2026-08-25 10:21 639232492740373468
6 ms 218.216.182.145
29 2026-08-25 10:04 639232482235303141
576 ms 218.216.182.145
28 2026-08-25 09:46 639232471861770303
566 ms 218.216.182.145
27 2026-08-25 09:29 639232461630217327
4 ms 218.216.182.145
26 2026-08-25 09:12 639232451282965990
2260 ms 218.216.182.145
25 2026-08-25 08:55 639232440814614938
4 ms 218.216.182.145
24 2026-08-25 08:37 639232430410720425
16 ms 218.216.182.145
23 2026-08-25 08:20 639232420003096185
605 ms 218.216.182.145
22 2026-08-25 08:02 639232409467287444
566 ms 218.216.182.145
21 2026-08-25 07:45 639232399077195997
572 ms 218.216.182.145
20 2026-08-25 07:28 639232388731528337
5 ms 218.216.182.145
19 2026-08-25 07:10 639232378288598612
575 ms 218.216.182.145
18 2026-08-25 06:16 639232346196373643
3 ms 218.216.182.145
17 2026-08-25 06:00 639232336112370741
566 ms 218.216.182.145
16 2026-08-25 05:43 639232326146508970
3 ms 218.216.182.145
15 2026-08-25 05:26 639232316189381720
573 ms 218.216.182.145
14 2026-08-25 05:10 639232306217998913
33 ms 218.216.182.145
13 2026-08-25 04:53 639232296255744174
552 ms 218.216.182.145
12 2026-08-25 04:36 639232286095760789
812 ms 218.216.182.145
11 2026-08-25 04:19 639232276086186273
557 ms 218.216.182.145
10 2026-08-25 04:03 639232265900986425
553 ms 218.216.182.145
9 2026-08-25 03:46 639232255723518075
261 ms 218.216.182.145
8 2026-08-25 03:29 639232245484452890
566 ms 218.216.182.145
7 2026-08-25 03:12 639232235157175331
9 ms 218.216.182.145
6 2026-08-25 02:18 639232203197189095
578 ms 218.216.182.145
5 2026-08-25 02:01 639232192844564298
550 ms 218.216.182.145
4 2026-08-25 01:44 639232182496008942
3 ms 218.216.182.145
3 2026-08-25 01:27 639232172197053132
578 ms 218.216.182.145
2 2026-08-25 00:33 639232140250307418
584 ms 218.216.182.145
1 2026-08-25 00:16 639232129927860324
250 ms 218.216.182.145