History for ns1.seikoh.co.jp
Domain: seikoh.co.jp • Tracking since 2026-08-04 23:25 UTC
DNS response history for ns1.seikoh.co.jp
ns1.seikoh.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 38 DNS check records, 38 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.seikoh.co.jp.
Records on Selected Date
38
Historical checks stored for this nameserver on selected date
Average Latency
466 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-24 15:54
All timestamps shown in UTC
Latest Resolved IP on Selected Date
220.99.91.50
Most recently resolved hosting IP on selected date
Successful Responses
38
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.seikoh.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 |
|---|---|---|---|---|---|
| 38 | 2026-08-24 15:54 | 639231828211839931 |
|
522 ms | 220.99.91.50 |
| 37 | 2026-08-24 15:38 | 639231818080917481 |
|
668 ms | 220.99.91.50 |
| 36 | 2026-08-24 15:21 | 639231807961539652 |
|
22 ms | 220.99.91.50 |
| 35 | 2026-08-24 15:04 | 639231797631669865 |
|
573 ms | 220.99.91.50 |
| 34 | 2026-08-24 14:11 | 639231765923559455 |
|
711 ms | 220.99.91.50 |
| 33 | 2026-08-24 13:54 | 639231755868832964 |
|
307 ms | 220.99.91.50 |
| 32 | 2026-08-24 13:37 | 639231745628278877 |
|
1026 ms | 220.99.91.50 |
| 31 | 2026-08-24 13:20 | 639231735407682062 |
|
1082 ms | 220.99.91.50 |
| 30 | 2026-08-24 12:27 | 639231703815441688 |
|
1095 ms | 220.99.91.50 |
| 29 | 2026-08-24 12:10 | 639231693747052549 |
|
1591 ms | 220.99.91.50 |
| 28 | 2026-08-24 11:54 | 639231683712487276 |
|
1033 ms | 220.99.91.50 |
| 27 | 2026-08-24 11:37 | 639231673513573868 |
|
1082 ms | 220.99.91.50 |
| 26 | 2026-08-24 10:43 | 639231641791249939 |
|
538 ms | 220.99.91.50 |
| 25 | 2026-08-24 10:27 | 639231631866211033 |
|
7 ms | 220.99.91.50 |
| 24 | 2026-08-24 10:10 | 639231621644955316 |
|
533 ms | 220.99.91.50 |
| 23 | 2026-08-24 09:53 | 639231611478799259 |
|
266 ms | 220.99.91.50 |
| 22 | 2026-08-24 09:01 | 639231579923718211 |
|
3 ms | 220.99.91.50 |
| 21 | 2026-08-24 08:44 | 639231569810702936 |
|
571 ms | 220.99.91.50 |
| 20 | 2026-08-24 08:27 | 639231559762411619 |
|
827 ms | 220.99.91.50 |
| 19 | 2026-08-24 08:10 | 639231549663595407 |
|
4 ms | 220.99.91.50 |
| 18 | 2026-08-24 07:17 | 639231518076817246 |
|
576 ms | 220.99.91.50 |
| 17 | 2026-08-24 07:01 | 639231508078650885 |
|
797 ms | 220.99.91.50 |
| 16 | 2026-08-24 06:44 | 639231498210697093 |
|
4 ms | 220.99.91.50 |
| 15 | 2026-08-24 06:28 | 639231488109699360 |
|
4 ms | 220.99.91.50 |
| 14 | 2026-08-24 05:35 | 639231456772510692 |
|
4 ms | 220.99.91.50 |
| 13 | 2026-08-24 05:19 | 639231447084631185 |
|
543 ms | 220.99.91.50 |
| 12 | 2026-08-24 05:03 | 639231437208519473 |
|
792 ms | 220.99.91.50 |
| 11 | 2026-08-24 04:46 | 639231427209627490 |
|
444 ms | 220.99.91.50 |
| 10 | 2026-08-24 03:53 | 639231395791246644 |
|
3 ms | 220.99.91.50 |
| 9 | 2026-08-24 03:37 | 639231386075551458 |
|
3 ms | 220.99.91.50 |
| 8 | 2026-08-24 03:21 | 639231376208713791 |
|
3 ms | 220.99.91.50 |
| 7 | 2026-08-24 03:04 | 639231366170589276 |
|
2 ms | 220.99.91.50 |
| 6 | 2026-08-24 02:12 | 639231334732159368 |
|
3 ms | 220.99.91.50 |
| 5 | 2026-08-24 01:56 | 639231325035670078 |
|
483 ms | 220.99.91.50 |
| 4 | 2026-08-24 01:39 | 639231315132253837 |
|
2 ms | 220.99.91.50 |
| 3 | 2026-08-24 01:23 | 639231305014280808 |
|
523 ms | 220.99.91.50 |
| 2 | 2026-08-24 00:30 | 639231273779380675 |
|
512 ms | 220.99.91.50 |
| 1 | 2026-08-24 00:14 | 639231264180839154 |
|
540 ms | 220.99.91.50 |