DNS response history for ns1.surfnet.ne.jp

ns1.surfnet.ne.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 526 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.surfnet.ne.jp.
Records on Selected Date

67

Historical checks stored for this nameserver on selected date

Average Latency

526 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 22:34

All timestamps shown in UTC

Latest Resolved IP on Selected Date

221.116.116.2

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 ns1.surfnet.ne.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 22:34 639232932163142799
467 ms 221.116.116.2
66 2026-08-25 22:17 639232921673215474
444 ms 221.116.116.2
65 2026-08-25 21:59 639232911234504639
661 ms 221.116.116.2
64 2026-08-25 21:42 639232900747078453
483 ms 221.116.116.2
63 2026-08-25 21:24 639232890389222534
476 ms 221.116.116.2
62 2026-08-25 21:07 639232880143390843
492 ms 221.116.116.2
61 2026-08-25 20:50 639232869755024069
483 ms 221.116.116.2
60 2026-08-25 20:33 639232859355940346
479 ms 221.116.116.2
59 2026-08-25 20:15 639232848992244953
693 ms 221.116.116.2
58 2026-08-25 19:58 639232838596478500
483 ms 221.116.116.2
57 2026-08-25 19:41 639232828175327683
496 ms 221.116.116.2
56 2026-08-25 19:23 639232817798330473
464 ms 221.116.116.2
55 2026-08-25 18:29 639232785462407552
2298 ms 221.116.116.2
54 2026-08-25 18:12 639232775177487032
466 ms 221.116.116.2
53 2026-08-25 17:55 639232764991087115
463 ms 221.116.116.2
52 2026-08-25 17:38 639232754842971478
719 ms 221.116.116.2
51 2026-08-25 17:21 639232744455159107
469 ms 221.116.116.2
50 2026-08-25 17:04 639232734145178231
492 ms 221.116.116.2
49 2026-08-25 16:47 639232723827874402
444 ms 221.116.116.2
48 2026-08-25 16:30 639232713533011892
477 ms 221.116.116.2
47 2026-08-25 16:12 639232703065318207
493 ms 221.116.116.2
46 2026-08-25 15:55 639232692629559470
586 ms 221.116.116.2
45 2026-08-25 15:37 639232682238836475
489 ms 221.116.116.2
44 2026-08-25 15:20 639232671787004306
465 ms 221.116.116.2
43 2026-08-25 14:25 639232638994329666
487 ms 221.116.116.2
42 2026-08-25 14:08 639232628614783237
487 ms 221.116.116.2
41 2026-08-25 13:51 639232618360728578
482 ms 221.116.116.2
40 2026-08-25 13:34 639232608016476376
489 ms 221.116.116.2
39 2026-08-25 13:16 639232597643611557
473 ms 221.116.116.2
38 2026-08-25 12:59 639232587225721862
505 ms 221.116.116.2
37 2026-08-25 12:42 639232576780683689
482 ms 221.116.116.2
36 2026-08-25 12:24 639232566381512620
481 ms 221.116.116.2
35 2026-08-25 12:07 639232556111768563
490 ms 221.116.116.2
34 2026-08-25 11:50 639232545839529039
632 ms 221.116.116.2
33 2026-08-25 11:33 639232535349285207
742 ms 221.116.116.2
32 2026-08-25 11:15 639232524938080723
480 ms 221.116.116.2
31 2026-08-25 10:22 639232492740373468
467 ms 221.116.116.2
30 2026-08-25 10:04 639232482235303141
466 ms 221.116.116.2
29 2026-08-25 09:47 639232471861770303
486 ms 221.116.116.2
28 2026-08-25 09:30 639232461630217327
627 ms 221.116.116.2
27 2026-08-25 09:12 639232451282965990
473 ms 221.116.116.2
26 2026-08-25 08:55 639232440814614938
468 ms 221.116.116.2
25 2026-08-25 08:38 639232430410720425
519 ms 221.116.116.2
24 2026-08-25 08:20 639232420003096185
486 ms 221.116.116.2
23 2026-08-25 08:03 639232409467287444
463 ms 221.116.116.2
22 2026-08-25 07:46 639232399077195997
476 ms 221.116.116.2
21 2026-08-25 07:28 639232388731528337
492 ms 221.116.116.2
20 2026-08-25 07:11 639232378288598612
472 ms 221.116.116.2
19 2026-08-25 06:17 639232346196373643
492 ms 221.116.116.2
18 2026-08-25 06:00 639232336112370741
500 ms 221.116.116.2
17 2026-08-25 05:44 639232326146508970
468 ms 221.116.116.2
16 2026-08-25 05:27 639232316189381720
488 ms 221.116.116.2
15 2026-08-25 05:10 639232306217998913
444 ms 221.116.116.2
14 2026-08-25 04:54 639232296255744174
467 ms 221.116.116.2
13 2026-08-25 04:37 639232286095760789
472 ms 221.116.116.2
12 2026-08-25 04:20 639232276086186273
472 ms 221.116.116.2
11 2026-08-25 04:03 639232265900986425
722 ms 221.116.116.2
10 2026-08-25 03:46 639232255723518075
452 ms 221.116.116.2
9 2026-08-25 03:29 639232245484452890
469 ms 221.116.116.2
8 2026-08-25 03:12 639232235157175331
483 ms 221.116.116.2
7 2026-08-25 02:19 639232203197189095
488 ms 221.116.116.2
6 2026-08-25 02:02 639232192844564298
510 ms 221.116.116.2
5 2026-08-25 01:45 639232182496008942
233 ms 221.116.116.2
4 2026-08-25 01:27 639232172197053132
576 ms 221.116.116.2
3 2026-08-25 00:34 639232140250307418
456 ms 221.116.116.2
2 2026-08-25 00:17 639232129927860324
514 ms 221.116.116.2
1 2026-08-25 00:00 639232119551972438
426 ms 221.116.116.2