History for ns04a.ous.ac.jp
Domain: ous.ac.jp • Tracking since 2026-08-04 23:25 UTC
DNS response history for ns04a.ous.ac.jp
ns04a.ous.ac.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 2026-08-27. For this date, NameServerHistory found 14 DNS check records, 14 successful responses, 0 failed responses, and 380 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 ns04a.ous.ac.jp.
Records on Selected Date
14
Historical checks stored for this nameserver on selected date
Average Latency
380 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-27 04:37
All timestamps shown in UTC
Latest Resolved IP on Selected Date
150.55.4.2
Most recently resolved hosting IP on selected date
Successful Responses
14
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 ns04a.ous.ac.jp
Showing DNS history for 2026-08-27 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 |
|---|---|---|---|---|---|
| 14 | 2026-08-27 04:37 | 639234014311170162 |
|
283 ms | 150.55.4.2 |
| 13 | 2026-08-27 04:20 | 639234003806017640 |
|
268 ms | 150.55.4.2 |
| 12 | 2026-08-27 04:02 | 639233993356203030 |
|
280 ms | 150.55.4.2 |
| 11 | 2026-08-27 03:09 | 639233961301716608 |
|
284 ms | 150.55.4.2 |
| 10 | 2026-08-27 02:51 | 639233950834200647 |
|
9 ms | 150.55.4.2 |
| 9 | 2026-08-27 02:34 | 639233940431849026 |
|
287 ms | 150.55.4.2 |
| 8 | 2026-08-27 02:17 | 639233930110596398 |
|
256 ms | 150.55.4.2 |
| 7 | 2026-08-27 01:59 | 639233919705434540 |
|
289 ms | 150.55.4.2 |
| 6 | 2026-08-27 01:42 | 639233909452807845 |
|
2250 ms | 150.55.4.2 |
| 5 | 2026-08-27 01:25 | 639233899096420820 |
|
7 ms | 150.55.4.2 |
| 4 | 2026-08-27 01:08 | 639233888707824939 |
|
272 ms | 150.55.4.2 |
| 3 | 2026-08-27 00:50 | 639233878461203802 |
|
273 ms | 150.55.4.2 |
| 2 | 2026-08-27 00:33 | 639233868060868209 |
|
290 ms | 150.55.4.2 |
| 1 | 2026-08-27 00:16 | 639233857450922991 |
|
272 ms | 150.55.4.2 |