DNS response history for ns1.isi-elearning.jp

ns1.isi-elearning.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 2026-08-21. For this date, NameServerHistory found 73 DNS check records, 73 successful responses, 0 failed responses, and 466 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 ns1.isi-elearning.jp.
Records on Selected Date

73

Historical checks stored for this nameserver on selected date

Average Latency

466 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-21 23:58

All timestamps shown in UTC

Latest Resolved IP on Selected Date

182.171.66.194

Most recently resolved hosting IP on selected date

Successful Responses

73

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 ns1.isi-elearning.jp

Showing DNS history for 2026-08-21 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
73 2026-08-21 23:58 639229527598660841
434 ms 182.171.66.194
72 2026-08-21 23:42 639229517954323214
272 ms 182.171.66.194
71 2026-08-21 23:26 639229508269999021
436 ms 182.171.66.194
70 2026-08-21 23:10 639229498559060171
412 ms 182.171.66.194
69 2026-08-21 22:54 639229488519347586
481 ms 182.171.66.194
68 2026-08-21 22:00 639229456606578934
412 ms 182.171.66.194
67 2026-08-21 21:44 639229446985772499
407 ms 182.171.66.194
66 2026-08-21 21:28 639229437367313098
454 ms 182.171.66.194
65 2026-08-21 21:12 639229427923950391
413 ms 182.171.66.194
64 2026-08-21 20:56 639229418168588854
423 ms 182.171.66.194
63 2026-08-21 20:40 639229408345678334
409 ms 182.171.66.194
62 2026-08-21 20:24 639229398616354648
428 ms 182.171.66.194
61 2026-08-21 20:07 639229388634592323
445 ms 182.171.66.194
60 2026-08-21 19:51 639229378792837692
342 ms 182.171.66.194
59 2026-08-21 19:34 639229369154682311
414 ms 182.171.66.194
58 2026-08-21 19:18 639229359248017926
662 ms 182.171.66.194
57 2026-08-21 19:01 639229349124294642
447 ms 182.171.66.194
56 2026-08-21 18:09 639229317791715692
611 ms 182.171.66.194
55 2026-08-21 17:53 639229308115194575
691 ms 182.171.66.194
54 2026-08-21 17:36 639229298320320558
308 ms 182.171.66.194
53 2026-08-21 17:20 639229288674863221
479 ms 182.171.66.194
52 2026-08-21 17:04 639229278983677079
416 ms 182.171.66.194
51 2026-08-21 16:48 639229269405517175
417 ms 182.171.66.194
50 2026-08-21 16:32 639229259594798244
486 ms 182.171.66.194
49 2026-08-21 16:15 639229249736681188
516 ms 182.171.66.194
48 2026-08-21 15:59 639229239699417787
416 ms 182.171.66.194
47 2026-08-21 15:42 639229229621964033
429 ms 182.171.66.194
46 2026-08-21 15:25 639229219567270965
419 ms 182.171.66.194
45 2026-08-21 15:08 639229209406666856
478 ms 182.171.66.194
44 2026-08-21 14:16 639229177815876178
413 ms 182.171.66.194
43 2026-08-21 13:59 639229168243572685
411 ms 182.171.66.194
42 2026-08-21 13:43 639229158599856475
409 ms 182.171.66.194
41 2026-08-21 13:27 639229148998940902
293 ms 182.171.66.194
40 2026-08-21 13:11 639229139276923594
416 ms 182.171.66.194
39 2026-08-21 12:55 639229129709912394
261 ms 182.171.66.194
38 2026-08-21 12:39 639229119801488500
483 ms 182.171.66.194
37 2026-08-21 12:23 639229110135262458
523 ms 182.171.66.194
36 2026-08-21 12:06 639229100336051392
2488 ms 182.171.66.194
35 2026-08-21 11:50 639229090641415626
482 ms 182.171.66.194
34 2026-08-21 11:34 639229080702683947
422 ms 182.171.66.194
33 2026-08-21 11:17 639229070601456699
316 ms 182.171.66.194
32 2026-08-21 10:24 639229038947447232
416 ms 182.171.66.194
31 2026-08-21 10:08 639229029268708773
412 ms 182.171.66.194
30 2026-08-21 09:52 639229019647910603
412 ms 182.171.66.194
29 2026-08-21 09:36 639229009983843738
417 ms 182.171.66.194
28 2026-08-21 09:20 639229000203331882
478 ms 182.171.66.194
27 2026-08-21 09:03 639228990302335999
487 ms 182.171.66.194
26 2026-08-21 08:47 639228980567740722
491 ms 182.171.66.194
25 2026-08-21 08:30 639228970762445174
418 ms 182.171.66.194
24 2026-08-21 08:14 639228961065054445
472 ms 182.171.66.194
23 2026-08-21 07:58 639228951224649885
549 ms 182.171.66.194
22 2026-08-21 07:41 639228941303864592
448 ms 182.171.66.194
21 2026-08-21 07:25 639228931191328583
488 ms 182.171.66.194
20 2026-08-21 06:32 639228899518173317
415 ms 182.171.66.194
19 2026-08-21 06:16 639228889785027669
442 ms 182.171.66.194
18 2026-08-21 05:59 639228880106330161
411 ms 182.171.66.194
17 2026-08-21 05:43 639228870316184091
481 ms 182.171.66.194
16 2026-08-21 05:27 639228860695366512
468 ms 182.171.66.194
15 2026-08-21 05:11 639228851027209500
472 ms 182.171.66.194
14 2026-08-21 04:55 639228841479265462
303 ms 182.171.66.194
13 2026-08-21 04:39 639228831752962260
411 ms 182.171.66.194
12 2026-08-21 04:22 639228821953295483
474 ms 182.171.66.194
11 2026-08-21 04:06 639228812227429953
477 ms 182.171.66.194
10 2026-08-21 03:50 639228802476107538
440 ms 182.171.66.194
9 2026-08-21 03:33 639228792525492032
498 ms 182.171.66.194
8 2026-08-21 02:41 639228761131421385
314 ms 182.171.66.194
7 2026-08-21 02:25 639228751571206692
445 ms 182.171.66.194
6 2026-08-21 02:09 639228741705571019
437 ms 182.171.66.194
5 2026-08-21 01:52 639228731642208228
450 ms 182.171.66.194
4 2026-08-21 01:00 639228700387002072
434 ms 182.171.66.194
3 2026-08-21 00:44 639228690742014433
442 ms 182.171.66.194
2 2026-08-21 00:27 639228680877937122
441 ms 182.171.66.194
1 2026-08-21 00:11 639228670775860800
414 ms 182.171.66.194