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 2026-08-09. For this date, NameServerHistory found 78 DNS check records, 78 successful responses, 0 failed responses, and 501 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

78

Historical checks stored for this nameserver on selected date

Average Latency

501 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-09 23:20

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

78

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 2026-08-09 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
78 2026-08-09 23:20 639219137912168440
2329 ms 49.212.196.108
77 2026-08-09 23:06 639219129014206359
298 ms 49.212.196.108
76 2026-08-09 22:51 639219120129816185
148 ms 49.212.196.108
75 2026-08-09 22:36 639219111180200055
249 ms 49.212.196.108
74 2026-08-09 22:21 639219102397272208
154 ms 49.212.196.108
73 2026-08-09 22:06 639219093318422880
298 ms 49.212.196.108
72 2026-08-09 21:51 639219084400315753
294 ms 49.212.196.108
71 2026-08-09 21:36 639219075254551587
2302 ms 49.212.196.108
70 2026-08-09 21:21 639219065729192158
450 ms 49.212.196.108
69 2026-08-09 21:05 639219056747802098
307 ms 49.212.196.108
68 2026-08-09 20:50 639219047713450952
301 ms 49.212.196.108
67 2026-08-09 20:35 639219038561445315
540 ms 49.212.196.108
66 2026-08-09 19:43 639219007390383771
296 ms 49.212.196.108
65 2026-08-09 19:28 639218998523265596
150 ms 49.212.196.108
64 2026-08-09 19:13 639218989631630804
305 ms 49.212.196.108
63 2026-08-09 18:59 639218980808450892
3 ms 49.212.196.108
62 2026-08-09 18:44 639218971852160604
3 ms 49.212.196.108
61 2026-08-09 18:29 639218962783650906
318 ms 49.212.196.108
60 2026-08-09 18:14 639218953792820819
304 ms 49.212.196.108
59 2026-08-09 17:59 639218944959692876
149 ms 49.212.196.108
58 2026-08-09 17:44 639218936169104506
156 ms 49.212.196.108
57 2026-08-09 17:29 639218927166062556
565 ms 49.212.196.108
56 2026-08-09 17:14 639218918015715420
254 ms 49.212.196.108
55 2026-08-09 16:59 639218908881852638
2257 ms 49.212.196.108
54 2026-08-09 16:06 639218877956262035
2246 ms 49.212.196.108
53 2026-08-09 15:51 639218869143729797
2471 ms 49.212.196.108
52 2026-08-09 15:37 639218860485298832
296 ms 49.212.196.108
51 2026-08-09 15:22 639218851607906747
305 ms 49.212.196.108
50 2026-08-09 15:07 639218842720839568
434 ms 49.212.196.108
49 2026-08-09 14:53 639218833878788864
295 ms 49.212.196.108
48 2026-08-09 14:38 639218825180862573
151 ms 49.212.196.108
47 2026-08-09 14:23 639218816469621951
150 ms 49.212.196.108
46 2026-08-09 14:09 639218807685036212
298 ms 49.212.196.108
45 2026-08-09 13:54 639218798978271509
10 ms 49.212.196.108
44 2026-08-09 13:39 639218790065423597
320 ms 49.212.196.108
43 2026-08-09 13:25 639218781304584862
2434 ms 49.212.196.108
42 2026-08-09 12:33 639218750311179000
2 ms 49.212.196.108
41 2026-08-09 12:19 639218741750420268
296 ms 49.212.196.108
40 2026-08-09 12:04 639218733057535576
4 ms 49.212.196.108
39 2026-08-09 11:50 639218724471329044
2270 ms 49.212.196.108
38 2026-08-09 11:36 639218715911974203
153 ms 49.212.196.108
37 2026-08-09 11:21 639218707310812834
302 ms 49.212.196.108
36 2026-08-09 11:07 639218698790485612
298 ms 49.212.196.108
35 2026-08-09 10:53 639218690367692706
285 ms 49.212.196.108
34 2026-08-09 10:39 639218681923173883
315 ms 49.212.196.108
33 2026-08-09 10:25 639218673547179738
294 ms 49.212.196.108
32 2026-08-09 10:10 639218664890274867
298 ms 49.212.196.108
31 2026-08-09 09:56 639218656036928157
158 ms 49.212.196.108
30 2026-08-09 09:04 639218624808018222
2011 ms 49.212.196.108
29 2026-08-09 08:49 639218616243340806
164 ms 49.212.196.108
28 2026-08-09 08:35 639218607397811973
316 ms 49.212.196.108
27 2026-08-09 08:20 639218598812444454
164 ms 49.212.196.108
26 2026-08-09 08:06 639218590219570048
254 ms 49.212.196.108
25 2026-08-09 07:52 639218581690210758
303 ms 49.212.196.108
24 2026-08-09 07:37 639218573057388822
683 ms 49.212.196.108
23 2026-08-09 07:23 639218564408781785
3 ms 49.212.196.108
22 2026-08-09 07:09 639218555767188482
163 ms 49.212.196.108
21 2026-08-09 06:54 639218547142705295
147 ms 49.212.196.108
20 2026-08-09 06:39 639218538090114532
432 ms 49.212.196.108
19 2026-08-09 06:24 639218529257910584
306 ms 49.212.196.108
18 2026-08-09 05:33 639218498473231858
294 ms 49.212.196.108
17 2026-08-09 05:18 639218489802113995
171 ms 49.212.196.108
16 2026-08-09 05:04 639218481006804516
41 ms 49.212.196.108
15 2026-08-09 04:49 639218472048712427
307 ms 49.212.196.108
14 2026-08-09 04:34 639218463224432974
402 ms 49.212.196.108
13 2026-08-09 04:19 639218454384107526
2160 ms 49.212.196.108
12 2026-08-09 04:04 639218445331231791
320 ms 49.212.196.108
11 2026-08-09 03:49 639218436285215733
277 ms 49.212.196.108
10 2026-08-09 03:34 639218427289555123
581 ms 49.212.196.108
9 2026-08-09 03:19 639218418227819981
290 ms 49.212.196.108
8 2026-08-09 03:04 639218409119503123
306 ms 49.212.196.108
7 2026-08-09 02:48 639218399771712154
425 ms 49.212.196.108
6 2026-08-09 01:57 639218368648652303
469 ms 49.212.196.108
5 2026-08-09 01:42 639218359569598460
309 ms 49.212.196.108
4 2026-08-09 01:26 639218350555429902
473 ms 49.212.196.108
3 2026-08-09 01:11 639218341311543299
308 ms 49.212.196.108
2 2026-08-09 00:19 639218309981981465
171 ms 49.212.196.108
1 2026-08-09 00:04 639218300987184335
311 ms 49.212.196.108