History for dns1.nc.u-tokyo.ac.jp
Domain: u-tokyo.ac.jp • Tracking since 2026-08-04 23:25 UTC
DNS response history for dns1.nc.u-tokyo.ac.jp
dns1.nc.u-tokyo.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 29 DNS check records, 29 successful responses, 0 failed responses, and 478 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 dns1.nc.u-tokyo.ac.jp.
Records on Selected Date
29
Historical checks stored for this nameserver on selected date
Average Latency
478 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-27 09:31
All timestamps shown in UTC
Latest Resolved IP on Selected Date
133.11.0.1
Most recently resolved hosting IP on selected date
Successful Responses
29
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 dns1.nc.u-tokyo.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 |
|---|---|---|---|---|---|
| 29 | 2026-08-27 09:31 | 639234191649612722 |
|
263 ms | 133.11.0.1 |
| 28 | 2026-08-27 09:13 | 639234181105879568 |
|
245 ms | 133.11.0.1 |
| 27 | 2026-08-27 08:56 | 639234170713214496 |
|
699 ms | 133.11.0.1 |
| 26 | 2026-08-27 08:39 | 639234160341037652 |
|
265 ms | 133.11.0.1 |
| 25 | 2026-08-27 08:21 | 639234149799404224 |
|
255 ms | 133.11.0.1 |
| 24 | 2026-08-27 08:04 | 639234139553286469 |
|
758 ms | 133.11.0.1 |
| 23 | 2026-08-27 07:10 | 639234107183588293 |
|
282 ms | 133.11.0.1 |
| 22 | 2026-08-27 06:53 | 639234096905435724 |
|
2031 ms | 133.11.0.1 |
| 21 | 2026-08-27 06:36 | 639234086579410775 |
|
248 ms | 133.11.0.1 |
| 20 | 2026-08-27 06:19 | 639234076291157956 |
|
242 ms | 133.11.0.1 |
| 19 | 2026-08-27 06:02 | 639234065981939454 |
|
23 ms | 133.11.0.1 |
| 18 | 2026-08-27 05:44 | 639234055548642997 |
|
705 ms | 133.11.0.1 |
| 17 | 2026-08-27 05:27 | 639234045267979603 |
|
278 ms | 133.11.0.1 |
| 16 | 2026-08-27 05:10 | 639234034999717463 |
|
233 ms | 133.11.0.1 |
| 15 | 2026-08-27 04:53 | 639234024739225358 |
|
259 ms | 133.11.0.1 |
| 14 | 2026-08-27 04:36 | 639234014311170162 |
|
760 ms | 133.11.0.1 |
| 13 | 2026-08-27 04:18 | 639234003806017640 |
|
263 ms | 133.11.0.1 |
| 12 | 2026-08-27 04:00 | 639233993356203030 |
|
234 ms | 133.11.0.1 |
| 11 | 2026-08-27 03:07 | 639233961301716608 |
|
10 ms | 133.11.0.1 |
| 10 | 2026-08-27 02:50 | 639233950834200647 |
|
529 ms | 133.11.0.1 |
| 9 | 2026-08-27 02:32 | 639233940431849026 |
|
259 ms | 133.11.0.1 |
| 8 | 2026-08-27 02:15 | 639233930110596398 |
|
2743 ms | 133.11.0.1 |
| 7 | 2026-08-27 01:58 | 639233919705434540 |
|
263 ms | 133.11.0.1 |
| 6 | 2026-08-27 01:41 | 639233909452807845 |
|
473 ms | 133.11.0.1 |
| 5 | 2026-08-27 01:23 | 639233899096420820 |
|
264 ms | 133.11.0.1 |
| 4 | 2026-08-27 01:06 | 639233888707824939 |
|
235 ms | 133.11.0.1 |
| 3 | 2026-08-27 00:49 | 639233878461203802 |
|
267 ms | 133.11.0.1 |
| 2 | 2026-08-27 00:32 | 639233868060868209 |
|
509 ms | 133.11.0.1 |
| 1 | 2026-08-27 00:14 | 639233857450922991 |
|
255 ms | 133.11.0.1 |