History for ns1.art21.co.jp
Domain: art21.co.jp • Tracking since 2026-08-04 23:25 UTC
DNS response history for ns1.art21.co.jp
ns1.art21.co.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 2026-08-24. For this date, NameServerHistory found 54 DNS check records, 54 successful responses, 0 failed responses, and 610 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.art21.co.jp.
Records on Selected Date
54
Historical checks stored for this nameserver on selected date
Average Latency
610 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-24 22:50
All timestamps shown in UTC
Latest Resolved IP on Selected Date
122.221.93.34
Most recently resolved hosting IP on selected date
Successful Responses
54
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.art21.co.jp
Showing DNS history for 2026-08-24 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 |
|---|---|---|---|---|---|
| 54 | 2026-08-24 22:50 | 639232077430823987 |
|
861 ms | 122.221.93.34 |
| 53 | 2026-08-24 22:33 | 639232067340513033 |
|
569 ms | 122.221.93.34 |
| 52 | 2026-08-24 22:16 | 639232057157944387 |
|
551 ms | 122.221.93.34 |
| 51 | 2026-08-24 21:59 | 639232046895282144 |
|
556 ms | 122.221.93.34 |
| 50 | 2026-08-24 21:05 | 639232014356623395 |
|
546 ms | 122.221.93.34 |
| 49 | 2026-08-24 20:48 | 639232004177831322 |
|
577 ms | 122.221.93.34 |
| 48 | 2026-08-24 20:31 | 639231993997863976 |
|
574 ms | 122.221.93.34 |
| 47 | 2026-08-24 20:14 | 639231983967363696 |
|
564 ms | 122.221.93.34 |
| 46 | 2026-08-24 19:21 | 639231952257842845 |
|
536 ms | 122.221.93.34 |
| 45 | 2026-08-24 19:04 | 639231942277816756 |
|
819 ms | 122.221.93.34 |
| 44 | 2026-08-24 18:48 | 639231932094180724 |
|
570 ms | 122.221.93.34 |
| 43 | 2026-08-24 18:30 | 639231922041034838 |
|
1203 ms | 122.221.93.34 |
| 42 | 2026-08-24 17:38 | 639231890488117536 |
|
537 ms | 122.221.93.34 |
| 41 | 2026-08-24 17:21 | 639231880574255543 |
|
563 ms | 122.221.93.34 |
| 40 | 2026-08-24 17:05 | 639231870418029045 |
|
659 ms | 122.221.93.34 |
| 39 | 2026-08-24 16:48 | 639231860258429562 |
|
551 ms | 122.221.93.34 |
| 38 | 2026-08-24 15:54 | 639231828211839931 |
|
542 ms | 122.221.93.34 |
| 37 | 2026-08-24 15:38 | 639231818080917481 |
|
549 ms | 122.221.93.34 |
| 36 | 2026-08-24 15:20 | 639231807961539652 |
|
577 ms | 122.221.93.34 |
| 35 | 2026-08-24 15:04 | 639231797631669865 |
|
543 ms | 122.221.93.34 |
| 34 | 2026-08-24 14:10 | 639231765923559455 |
|
568 ms | 122.221.93.34 |
| 33 | 2026-08-24 13:54 | 639231755868832964 |
|
577 ms | 122.221.93.34 |
| 32 | 2026-08-24 13:37 | 639231745628278877 |
|
568 ms | 122.221.93.34 |
| 31 | 2026-08-24 13:20 | 639231735407682062 |
|
642 ms | 122.221.93.34 |
| 30 | 2026-08-24 12:27 | 639231703815441688 |
|
554 ms | 122.221.93.34 |
| 29 | 2026-08-24 12:10 | 639231693747052549 |
|
583 ms | 122.221.93.34 |
| 28 | 2026-08-24 11:53 | 639231683712487276 |
|
342 ms | 122.221.93.34 |
| 27 | 2026-08-24 11:36 | 639231673513573868 |
|
563 ms | 122.221.93.34 |
| 26 | 2026-08-24 10:43 | 639231641791249939 |
|
566 ms | 122.221.93.34 |
| 25 | 2026-08-24 10:27 | 639231631866211033 |
|
559 ms | 122.221.93.34 |
| 24 | 2026-08-24 10:10 | 639231621644955316 |
|
581 ms | 122.221.93.34 |
| 23 | 2026-08-24 09:53 | 639231611478799259 |
|
567 ms | 122.221.93.34 |
| 22 | 2026-08-24 09:00 | 639231579923718211 |
|
713 ms | 122.221.93.34 |
| 21 | 2026-08-24 08:44 | 639231569810702936 |
|
271 ms | 122.221.93.34 |
| 20 | 2026-08-24 08:27 | 639231559762411619 |
|
527 ms | 122.221.93.34 |
| 19 | 2026-08-24 08:10 | 639231549663595407 |
|
540 ms | 122.221.93.34 |
| 18 | 2026-08-24 07:17 | 639231518076817246 |
|
557 ms | 122.221.93.34 |
| 17 | 2026-08-24 07:01 | 639231508078650885 |
|
354 ms | 122.221.93.34 |
| 16 | 2026-08-24 06:44 | 639231498210697093 |
|
544 ms | 122.221.93.34 |
| 15 | 2026-08-24 06:27 | 639231488109699360 |
|
560 ms | 122.221.93.34 |
| 14 | 2026-08-24 05:35 | 639231456772510692 |
|
553 ms | 122.221.93.34 |
| 13 | 2026-08-24 05:19 | 639231447084631185 |
|
289 ms | 122.221.93.34 |
| 12 | 2026-08-24 05:02 | 639231437208519473 |
|
1051 ms | 122.221.93.34 |
| 11 | 2026-08-24 04:46 | 639231427209627490 |
|
572 ms | 122.221.93.34 |
| 10 | 2026-08-24 03:53 | 639231395791246644 |
|
2314 ms | 122.221.93.34 |
| 9 | 2026-08-24 03:37 | 639231386075551458 |
|
548 ms | 122.221.93.34 |
| 8 | 2026-08-24 03:21 | 639231376208713791 |
|
548 ms | 122.221.93.34 |
| 7 | 2026-08-24 03:04 | 639231366170589276 |
|
550 ms | 122.221.93.34 |
| 6 | 2026-08-24 02:12 | 639231334732159368 |
|
796 ms | 122.221.93.34 |
| 5 | 2026-08-24 01:55 | 639231325035670078 |
|
586 ms | 122.221.93.34 |
| 4 | 2026-08-24 01:39 | 639231315132253837 |
|
273 ms | 122.221.93.34 |
| 3 | 2026-08-24 01:22 | 639231305014280808 |
|
557 ms | 122.221.93.34 |
| 2 | 2026-08-24 00:30 | 639231273779380675 |
|
574 ms | 122.221.93.34 |
| 1 | 2026-08-24 00:14 | 639231264180839154 |
|
572 ms | 122.221.93.34 |