DNS response history for ns2.ultra-web.jp

ns2.ultra-web.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 2026-08-26. For this date, NameServerHistory found 70 DNS check records, 70 successful responses, 0 failed responses, and 500 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.ultra-web.jp.
Records on Selected Date

70

Historical checks stored for this nameserver on selected date

Average Latency

500 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 23:04

All timestamps shown in UTC

Latest Resolved IP on Selected Date

153.127.250.187

Most recently resolved hosting IP on selected date

Successful Responses

70

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.ultra-web.jp

Showing DNS history for 2026-08-26 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
70 2026-08-26 23:04 639233814527872887
531 ms 153.127.250.187
69 2026-08-26 22:47 639233804315489381
509 ms 153.127.250.187
68 2026-08-26 22:30 639233793971346256
525 ms 153.127.250.187
67 2026-08-26 22:12 639233783644630463
529 ms 153.127.250.187
66 2026-08-26 21:55 639233773302621314
549 ms 153.127.250.187
65 2026-08-26 21:38 639233762896723748
527 ms 153.127.250.187
64 2026-08-26 21:20 639233752543876329
521 ms 153.127.250.187
63 2026-08-26 21:03 639233742155931788
496 ms 153.127.250.187
62 2026-08-26 20:46 639233731712555311
520 ms 153.127.250.187
61 2026-08-26 20:28 639233721164051126
517 ms 153.127.250.187
60 2026-08-26 20:11 639233710560486320
331 ms 153.127.250.187
59 2026-08-26 19:53 639233699834667450
540 ms 153.127.250.187
58 2026-08-26 18:58 639233667209186136
3 ms 153.127.250.187
57 2026-08-26 18:41 639233656814316266
529 ms 153.127.250.187
56 2026-08-26 18:23 639233646245051806
524 ms 153.127.250.187
55 2026-08-26 18:06 639233635663779051
535 ms 153.127.250.187
54 2026-08-26 17:48 639233624977342122
491 ms 153.127.250.187
53 2026-08-26 17:30 639233614446136153
538 ms 153.127.250.187
52 2026-08-26 17:13 639233603737877581
502 ms 153.127.250.187
51 2026-08-26 16:55 639233593269224651
527 ms 153.127.250.187
50 2026-08-26 16:38 639233582635086903
509 ms 153.127.250.187
49 2026-08-26 16:20 639233572000374575
539 ms 153.127.250.187
48 2026-08-26 16:02 639233561188633861
512 ms 153.127.250.187
47 2026-08-26 15:44 639233550544357027
523 ms 153.127.250.187
46 2026-08-26 14:50 639233517966053117
525 ms 153.127.250.187
45 2026-08-26 14:32 639233507603253585
513 ms 153.127.250.187
44 2026-08-26 14:15 639233497229039167
509 ms 153.127.250.187
43 2026-08-26 13:58 639233486864546406
768 ms 153.127.250.187
42 2026-08-26 13:40 639233476455174682
727 ms 153.127.250.187
41 2026-08-26 13:23 639233466171592605
523 ms 153.127.250.187
40 2026-08-26 13:06 639233455747096265
366 ms 153.127.250.187
39 2026-08-26 12:49 639233445367152284
737 ms 153.127.250.187
38 2026-08-26 12:31 639233434974187439
522 ms 153.127.250.187
37 2026-08-26 12:14 639233424567558554
517 ms 153.127.250.187
36 2026-08-26 11:56 639233414056832719
529 ms 153.127.250.187
35 2026-08-26 11:39 639233403515141099
521 ms 153.127.250.187
34 2026-08-26 10:44 639233370841350248
563 ms 153.127.250.187
33 2026-08-26 10:27 639233360361507238
543 ms 153.127.250.187
32 2026-08-26 10:10 639233350067824371
529 ms 153.127.250.187
31 2026-08-26 09:52 639233339545274518
539 ms 153.127.250.187
30 2026-08-26 09:35 639233329214918079
618 ms 153.127.250.187
29 2026-08-26 09:18 639233318749762337
331 ms 153.127.250.187
28 2026-08-26 09:00 639233308387917838
281 ms 153.127.250.187
27 2026-08-26 08:43 639233297961740122
4 ms 153.127.250.187
26 2026-08-26 08:25 639233287487159094
507 ms 153.127.250.187
25 2026-08-26 08:08 639233276995531707
516 ms 153.127.250.187
24 2026-08-26 07:50 639233266521568229
527 ms 153.127.250.187
23 2026-08-26 07:33 639233256081047431
543 ms 153.127.250.187
22 2026-08-26 06:39 639233223620132921
491 ms 153.127.250.187
21 2026-08-26 06:22 639233213287814244
516 ms 153.127.250.187
20 2026-08-26 06:04 639233202925983161
515 ms 153.127.250.187
19 2026-08-26 05:47 639233192644780696
517 ms 153.127.250.187
18 2026-08-26 05:30 639233182401183833
506 ms 153.127.250.187
17 2026-08-26 05:13 639233172074181051
546 ms 153.127.250.187
16 2026-08-26 04:56 639233161808421455
533 ms 153.127.250.187
15 2026-08-26 04:39 639233151357344052
502 ms 153.127.250.187
14 2026-08-26 04:21 639233141034116946
507 ms 153.127.250.187
13 2026-08-26 04:04 639233130828334142
531 ms 153.127.250.187
12 2026-08-26 03:47 639233120373450007
496 ms 153.127.250.187
11 2026-08-26 03:30 639233110066216193
512 ms 153.127.250.187
10 2026-08-26 02:36 639233078065410564
269 ms 153.127.250.187
9 2026-08-26 02:19 639233067787457832
513 ms 153.127.250.187
8 2026-08-26 02:02 639233057501801162
538 ms 153.127.250.187
7 2026-08-26 01:45 639233047089431703
523 ms 153.127.250.187
6 2026-08-26 01:28 639233036754790688
503 ms 153.127.250.187
5 2026-08-26 01:10 639233026412602472
547 ms 153.127.250.187
4 2026-08-26 00:53 639233016064066127
517 ms 153.127.250.187
3 2026-08-26 00:36 639233005922655772
526 ms 153.127.250.187
2 2026-08-26 00:19 639232995672256907
548 ms 153.127.250.187
1 2026-08-26 00:02 639232985300872416
271 ms 153.127.250.187