DNS response history for ns01.hpc.tokyo

ns01.hpc.tokyo 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 71 DNS check records, 71 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 ns01.hpc.tokyo.
Records on Selected Date

71

Historical checks stored for this nameserver on selected date

Average Latency

498 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 23:59

All timestamps shown in UTC

Latest Resolved IP on Selected Date

211.17.233.197

Most recently resolved hosting IP on selected date

Successful Responses

71

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 ns01.hpc.tokyo

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
71 2026-08-26 23:59 639233846871926285
547 ms 211.17.233.197
70 2026-08-26 23:05 639233814527872887
265 ms 211.17.233.197
69 2026-08-26 22:48 639233804315489381
523 ms 211.17.233.197
68 2026-08-26 22:31 639233793971346256
252 ms 211.17.233.197
67 2026-08-26 22:13 639233783644630463
544 ms 211.17.233.197
66 2026-08-26 21:56 639233773302621314
544 ms 211.17.233.197
65 2026-08-26 21:39 639233762896723748
541 ms 211.17.233.197
64 2026-08-26 21:21 639233752543876329
526 ms 211.17.233.197
63 2026-08-26 21:04 639233742155931788
540 ms 211.17.233.197
62 2026-08-26 20:47 639233731712555311
527 ms 211.17.233.197
61 2026-08-26 20:29 639233721164051126
519 ms 211.17.233.197
60 2026-08-26 20:12 639233710560486320
537 ms 211.17.233.197
59 2026-08-26 19:54 639233699834667450
252 ms 211.17.233.197
58 2026-08-26 18:59 639233667209186136
256 ms 211.17.233.197
57 2026-08-26 18:42 639233656814316266
546 ms 211.17.233.197
56 2026-08-26 18:25 639233646245051806
562 ms 211.17.233.197
55 2026-08-26 18:07 639233635663779051
524 ms 211.17.233.197
54 2026-08-26 17:49 639233624977342122
531 ms 211.17.233.197
53 2026-08-26 17:31 639233614446136153
524 ms 211.17.233.197
52 2026-08-26 17:14 639233603737877581
261 ms 211.17.233.197
51 2026-08-26 16:56 639233593269224651
267 ms 211.17.233.197
50 2026-08-26 16:39 639233582635086903
540 ms 211.17.233.197
49 2026-08-26 16:21 639233572000374575
537 ms 211.17.233.197
48 2026-08-26 16:03 639233561188633861
257 ms 211.17.233.197
47 2026-08-26 15:45 639233550544357027
537 ms 211.17.233.197
46 2026-08-26 14:51 639233517966053117
542 ms 211.17.233.197
45 2026-08-26 14:33 639233507603253585
544 ms 211.17.233.197
44 2026-08-26 14:16 639233497229039167
542 ms 211.17.233.197
43 2026-08-26 13:59 639233486864546406
539 ms 211.17.233.197
42 2026-08-26 13:41 639233476455174682
539 ms 211.17.233.197
41 2026-08-26 13:24 639233466171592605
558 ms 211.17.233.197
40 2026-08-26 13:07 639233455747096265
539 ms 211.17.233.197
39 2026-08-26 12:50 639233445367152284
328 ms 211.17.233.197
38 2026-08-26 12:32 639233434974187439
535 ms 211.17.233.197
37 2026-08-26 12:15 639233424567558554
537 ms 211.17.233.197
36 2026-08-26 11:57 639233414056832719
549 ms 211.17.233.197
35 2026-08-26 11:40 639233403515141099
613 ms 211.17.233.197
34 2026-08-26 10:45 639233370841350248
543 ms 211.17.233.197
33 2026-08-26 10:28 639233360361507238
547 ms 211.17.233.197
32 2026-08-26 10:11 639233350067824371
702 ms 211.17.233.197
31 2026-08-26 09:53 639233339545274518
259 ms 211.17.233.197
30 2026-08-26 09:36 639233329214918079
551 ms 211.17.233.197
29 2026-08-26 09:19 639233318749762337
267 ms 211.17.233.197
28 2026-08-26 09:01 639233308387917838
592 ms 211.17.233.197
27 2026-08-26 08:44 639233297961740122
262 ms 211.17.233.197
26 2026-08-26 08:26 639233287487159094
259 ms 211.17.233.197
25 2026-08-26 08:09 639233276995531707
530 ms 211.17.233.197
24 2026-08-26 07:51 639233266521568229
522 ms 211.17.233.197
23 2026-08-26 07:34 639233256081047431
556 ms 211.17.233.197
22 2026-08-26 06:40 639233223620132921
541 ms 211.17.233.197
21 2026-08-26 06:23 639233213287814244
534 ms 211.17.233.197
20 2026-08-26 06:05 639233202925983161
260 ms 211.17.233.197
19 2026-08-26 05:48 639233192644780696
529 ms 211.17.233.197
18 2026-08-26 05:31 639233182401183833
524 ms 211.17.233.197
17 2026-08-26 05:14 639233172074181051
552 ms 211.17.233.197
16 2026-08-26 04:57 639233161808421455
542 ms 211.17.233.197
15 2026-08-26 04:40 639233151357344052
532 ms 211.17.233.197
14 2026-08-26 04:22 639233141034116946
541 ms 211.17.233.197
13 2026-08-26 04:05 639233130828334142
550 ms 211.17.233.197
12 2026-08-26 03:48 639233120373450007
540 ms 211.17.233.197
11 2026-08-26 03:31 639233110066216193
251 ms 211.17.233.197
10 2026-08-26 02:37 639233078065410564
517 ms 211.17.233.197
9 2026-08-26 02:20 639233067787457832
255 ms 211.17.233.197
8 2026-08-26 02:03 639233057501801162
257 ms 211.17.233.197
7 2026-08-26 01:46 639233047089431703
252 ms 211.17.233.197
6 2026-08-26 01:28 639233036754790688
551 ms 211.17.233.197
5 2026-08-26 01:11 639233026412602472
256 ms 211.17.233.197
4 2026-08-26 00:54 639233016064066127
530 ms 211.17.233.197
3 2026-08-26 00:37 639233005922655772
549 ms 211.17.233.197
2 2026-08-26 00:20 639232995672256907
558 ms 211.17.233.197
1 2026-08-26 00:03 639232985300872416
2356 ms 211.17.233.197