DNS response history for ns.a-button.jp

ns.a-button.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 2026-08-20. For this date, NameServerHistory found 57 DNS check records, 57 successful responses, 0 failed responses, and 498 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 ns.a-button.jp.
Records on Selected Date

57

Historical checks stored for this nameserver on selected date

Average Latency

498 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-20 23:17

All timestamps shown in UTC

Latest Resolved IP on Selected Date

49.212.196.108

Most recently resolved hosting IP on selected date

Successful Responses

57

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 ns.a-button.jp

Showing DNS history for 2026-08-20 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
57 2026-08-20 23:17 639228639850033448
303 ms 49.212.196.108
56 2026-08-20 23:01 639228630204271870
406 ms 49.212.196.108
55 2026-08-20 22:45 639228620295091135
314 ms 49.212.196.108
54 2026-08-20 22:28 639228610298336915
313 ms 49.212.196.108
53 2026-08-20 21:35 639228578917047616
315 ms 49.212.196.108
52 2026-08-20 21:19 639228569046445709
750 ms 49.212.196.108
51 2026-08-20 21:03 639228558946830986
367 ms 49.212.196.108
50 2026-08-20 20:46 639228548977359217
316 ms 49.212.196.108
49 2026-08-20 19:53 639228517494157668
314 ms 49.212.196.108
48 2026-08-20 19:37 639228507374116892
400 ms 49.212.196.108
47 2026-08-20 19:20 639228497315154893
314 ms 49.212.196.108
46 2026-08-20 19:03 639228487287648341
322 ms 49.212.196.108
45 2026-08-20 18:11 639228455828123788
5 ms 49.212.196.108
44 2026-08-20 17:54 639228445900082244
428 ms 49.212.196.108
43 2026-08-20 17:37 639228435866352323
303 ms 49.212.196.108
42 2026-08-20 17:20 639228425802273151
316 ms 49.212.196.108
41 2026-08-20 16:27 639228393616324230
314 ms 49.212.196.108
40 2026-08-20 16:10 639228383590408693
306 ms 49.212.196.108
39 2026-08-20 15:53 639228373471467474
2587 ms 49.212.196.108
38 2026-08-20 15:36 639228363426647311
315 ms 49.212.196.108
37 2026-08-20 14:43 639228331681701910
340 ms 49.212.196.108
36 2026-08-20 14:27 639228321714746824
2173 ms 49.212.196.108
35 2026-08-20 14:10 639228311652090262
324 ms 49.212.196.108
34 2026-08-20 13:53 639228301670088587
313 ms 49.212.196.108
33 2026-08-20 13:01 639228269987976710
316 ms 49.212.196.108
32 2026-08-20 12:44 639228260009452308
306 ms 49.212.196.108
31 2026-08-20 12:27 639228249661740894
322 ms 49.212.196.108
30 2026-08-20 12:10 639228239552680346
315 ms 49.212.196.108
29 2026-08-20 11:17 639228207667580819
318 ms 49.212.196.108
28 2026-08-20 11:00 639228197494011560
313 ms 49.212.196.108
27 2026-08-20 10:43 639228187497039939
322 ms 49.212.196.108
26 2026-08-20 10:26 639228177408432646
316 ms 49.212.196.108
25 2026-08-20 09:35 639228146356166262
328 ms 49.212.196.108
24 2026-08-20 09:18 639228136541505712
2271 ms 49.212.196.108
23 2026-08-20 09:02 639228126519136598
316 ms 49.212.196.108
22 2026-08-20 08:45 639228116537148885
313 ms 49.212.196.108
21 2026-08-20 07:52 639228085320764351
6 ms 49.212.196.108
20 2026-08-20 07:37 639228075444604839
322 ms 49.212.196.108
19 2026-08-20 07:20 639228065615498985
304 ms 49.212.196.108
18 2026-08-20 07:03 639228055675321422
309 ms 49.212.196.108
17 2026-08-20 06:11 639228024230839396
304 ms 49.212.196.108
16 2026-08-20 05:55 639228014720406505
281 ms 49.212.196.108
15 2026-08-20 05:39 639228004930827030
174 ms 49.212.196.108
14 2026-08-20 05:22 639227995103340154
315 ms 49.212.196.108
13 2026-08-20 04:30 639227963811374894
2170 ms 49.212.196.108
12 2026-08-20 04:14 639227954132571365
2 ms 49.212.196.108
11 2026-08-20 03:58 639227944541208342
259 ms 49.212.196.108
10 2026-08-20 03:42 639227934657213484
303 ms 49.212.196.108
9 2026-08-20 02:50 639227903628145469
319 ms 49.212.196.108
8 2026-08-20 02:34 639227893995483475
174 ms 49.212.196.108
7 2026-08-20 02:18 639227884280244209
310 ms 49.212.196.108
6 2026-08-20 02:01 639227874371147132
313 ms 49.212.196.108
5 2026-08-20 01:09 639227843224256432
2275 ms 49.212.196.108
4 2026-08-20 00:53 639227833720403506
20 ms 49.212.196.108
3 2026-08-20 00:38 639227824170728278
3 ms 49.212.196.108
2 2026-08-20 00:22 639227814865867570
2023 ms 49.212.196.108
1 2026-08-20 00:06 639227805445376839
304 ms 49.212.196.108