DNS response history for ns2.serano.co.jp

ns2.serano.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 64 DNS check records, 64 successful responses, 0 failed responses, and 514 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 ns2.serano.co.jp.
Records on Selected Date

64

Historical checks stored for this nameserver on selected date

Average Latency

514 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 21:59

All timestamps shown in UTC

Latest Resolved IP on Selected Date

210.171.192.137

Most recently resolved hosting IP on selected date

Successful Responses

64

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 ns2.serano.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
64 2026-08-25 21:59 639232911234504639
272 ms 210.171.192.137
63 2026-08-25 21:41 639232900747078453
284 ms 210.171.192.137
62 2026-08-25 21:24 639232890389222534
561 ms 210.171.192.137
61 2026-08-25 21:07 639232880143390843
558 ms 210.171.192.137
60 2026-08-25 20:49 639232869755024069
274 ms 210.171.192.137
59 2026-08-25 20:32 639232859355940346
288 ms 210.171.192.137
58 2026-08-25 20:15 639232848992244953
283 ms 210.171.192.137
57 2026-08-25 19:58 639232838596478500
271 ms 210.171.192.137
56 2026-08-25 19:40 639232828175327683
351 ms 210.171.192.137
55 2026-08-25 19:23 639232817798330473
273 ms 210.171.192.137
54 2026-08-25 18:29 639232785462407552
807 ms 210.171.192.137
53 2026-08-25 18:12 639232775177487032
281 ms 210.171.192.137
52 2026-08-25 17:55 639232764991087115
273 ms 210.171.192.137
51 2026-08-25 17:38 639232754842971478
562 ms 210.171.192.137
50 2026-08-25 17:21 639232744455159107
274 ms 210.171.192.137
49 2026-08-25 17:04 639232734145178231
542 ms 210.171.192.137
48 2026-08-25 16:46 639232723827874402
811 ms 210.171.192.137
47 2026-08-25 16:29 639232713533011892
577 ms 210.171.192.137
46 2026-08-25 16:12 639232703065318207
717 ms 210.171.192.137
45 2026-08-25 15:54 639232692629559470
814 ms 210.171.192.137
44 2026-08-25 15:37 639232682238836475
545 ms 210.171.192.137
43 2026-08-25 15:20 639232671787004306
552 ms 210.171.192.137
42 2026-08-25 14:25 639232638994329666
647 ms 210.171.192.137
41 2026-08-25 14:08 639232628614783237
1092 ms 210.171.192.137
40 2026-08-25 13:50 639232618360728578
865 ms 210.171.192.137
39 2026-08-25 13:33 639232608016476376
970 ms 210.171.192.137
38 2026-08-25 13:16 639232597643611557
327 ms 210.171.192.137
37 2026-08-25 12:59 639232587225721862
686 ms 210.171.192.137
36 2026-08-25 12:41 639232576780683689
929 ms 210.171.192.137
35 2026-08-25 12:24 639232566381512620
275 ms 210.171.192.137
34 2026-08-25 12:07 639232556111768563
282 ms 210.171.192.137
33 2026-08-25 11:50 639232545839529039
802 ms 210.171.192.137
32 2026-08-25 11:32 639232535349285207
547 ms 210.171.192.137
31 2026-08-25 11:15 639232524938080723
549 ms 210.171.192.137
30 2026-08-25 10:21 639232492740373468
550 ms 210.171.192.137
29 2026-08-25 10:04 639232482235303141
273 ms 210.171.192.137
28 2026-08-25 09:46 639232471861770303
547 ms 210.171.192.137
27 2026-08-25 09:29 639232461630217327
570 ms 210.171.192.137
26 2026-08-25 09:12 639232451282965990
570 ms 210.171.192.137
25 2026-08-25 08:55 639232440814614938
381 ms 210.171.192.137
24 2026-08-25 08:37 639232430410720425
288 ms 210.171.192.137
23 2026-08-25 08:20 639232420003096185
546 ms 210.171.192.137
22 2026-08-25 08:03 639232409467287444
830 ms 210.171.192.137
21 2026-08-25 07:45 639232399077195997
2289 ms 210.171.192.137
20 2026-08-25 07:28 639232388731528337
272 ms 210.171.192.137
19 2026-08-25 07:10 639232378288598612
799 ms 210.171.192.137
18 2026-08-25 06:17 639232346196373643
547 ms 210.171.192.137
17 2026-08-25 06:00 639232336112370741
284 ms 210.171.192.137
16 2026-08-25 05:43 639232326146508970
4 ms 210.171.192.137
15 2026-08-25 05:27 639232316189381720
272 ms 210.171.192.137
14 2026-08-25 05:10 639232306217998913
816 ms 210.171.192.137
13 2026-08-25 04:53 639232296255744174
557 ms 210.171.192.137
12 2026-08-25 04:37 639232286095760789
543 ms 210.171.192.137
11 2026-08-25 04:20 639232276086186273
3 ms 210.171.192.137
10 2026-08-25 04:03 639232265900986425
271 ms 210.171.192.137
9 2026-08-25 03:46 639232255723518075
270 ms 210.171.192.137
8 2026-08-25 03:29 639232245484452890
281 ms 210.171.192.137
7 2026-08-25 03:12 639232235157175331
805 ms 210.171.192.137
6 2026-08-25 02:18 639232203197189095
541 ms 210.171.192.137
5 2026-08-25 02:01 639232192844564298
3 ms 210.171.192.137
4 2026-08-25 01:44 639232182496008942
542 ms 210.171.192.137
3 2026-08-25 01:27 639232172197053132
551 ms 210.171.192.137
2 2026-08-25 00:33 639232140250307418
3 ms 210.171.192.137
1 2026-08-25 00:17 639232129927860324
543 ms 210.171.192.137