History for dns02.cku.ac.jp
Domain: cku.ac.jp • Tracking since 2026-08-04 23:25 UTC
DNS response history for dns02.cku.ac.jp
dns02.cku.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 2026-08-25. For this date, NameServerHistory found 42 DNS check records, 42 successful responses, 0 failed responses, and 340 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 dns02.cku.ac.jp.
Records on Selected Date
42
Historical checks stored for this nameserver on selected date
Average Latency
340 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-25 14:25
All timestamps shown in UTC
Latest Resolved IP on Selected Date
182.171.84.38
Most recently resolved hosting IP on selected date
Successful Responses
42
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 dns02.cku.ac.jp
Showing DNS history for 2026-08-25 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 |
|---|---|---|---|---|---|
| 42 | 2026-08-25 14:25 | 639232638994329666 |
|
238 ms | 182.171.84.38 |
| 41 | 2026-08-25 14:07 | 639232628614783237 |
|
225 ms | 182.171.84.38 |
| 40 | 2026-08-25 13:50 | 639232618360728578 |
|
232 ms | 182.171.84.38 |
| 39 | 2026-08-25 13:33 | 639232608016476376 |
|
259 ms | 182.171.84.38 |
| 38 | 2026-08-25 13:16 | 639232597643611557 |
|
241 ms | 182.171.84.38 |
| 37 | 2026-08-25 12:58 | 639232587225721862 |
|
237 ms | 182.171.84.38 |
| 36 | 2026-08-25 12:41 | 639232576780683689 |
|
231 ms | 182.171.84.38 |
| 35 | 2026-08-25 12:24 | 639232566381512620 |
|
252 ms | 182.171.84.38 |
| 34 | 2026-08-25 12:06 | 639232556111768563 |
|
2329 ms | 182.171.84.38 |
| 33 | 2026-08-25 11:49 | 639232545839529039 |
|
274 ms | 182.171.84.38 |
| 32 | 2026-08-25 11:32 | 639232535349285207 |
|
227 ms | 182.171.84.38 |
| 31 | 2026-08-25 11:15 | 639232524938080723 |
|
243 ms | 182.171.84.38 |
| 30 | 2026-08-25 10:21 | 639232492740373468 |
|
226 ms | 182.171.84.38 |
| 29 | 2026-08-25 10:04 | 639232482235303141 |
|
230 ms | 182.171.84.38 |
| 28 | 2026-08-25 09:46 | 639232471861770303 |
|
2017 ms | 182.171.84.38 |
| 27 | 2026-08-25 09:29 | 639232461630217327 |
|
231 ms | 182.171.84.38 |
| 26 | 2026-08-25 09:12 | 639232451282965990 |
|
230 ms | 182.171.84.38 |
| 25 | 2026-08-25 08:54 | 639232440814614938 |
|
282 ms | 182.171.84.38 |
| 24 | 2026-08-25 08:37 | 639232430410720425 |
|
446 ms | 182.171.84.38 |
| 23 | 2026-08-25 08:20 | 639232420003096185 |
|
17 ms | 182.171.84.38 |
| 22 | 2026-08-25 08:02 | 639232409467287444 |
|
236 ms | 182.171.84.38 |
| 21 | 2026-08-25 07:45 | 639232399077195997 |
|
271 ms | 182.171.84.38 |
| 20 | 2026-08-25 07:27 | 639232388731528337 |
|
233 ms | 182.171.84.38 |
| 19 | 2026-08-25 07:10 | 639232378288598612 |
|
467 ms | 182.171.84.38 |
| 18 | 2026-08-25 06:16 | 639232346196373643 |
|
232 ms | 182.171.84.38 |
| 17 | 2026-08-25 06:00 | 639232336112370741 |
|
3 ms | 182.171.84.38 |
| 16 | 2026-08-25 05:43 | 639232326146508970 |
|
226 ms | 182.171.84.38 |
| 15 | 2026-08-25 05:26 | 639232316189381720 |
|
442 ms | 182.171.84.38 |
| 14 | 2026-08-25 05:10 | 639232306217998913 |
|
244 ms | 182.171.84.38 |
| 13 | 2026-08-25 04:53 | 639232296255744174 |
|
3 ms | 182.171.84.38 |
| 12 | 2026-08-25 04:36 | 639232286095760789 |
|
3 ms | 182.171.84.38 |
| 11 | 2026-08-25 04:19 | 639232276086186273 |
|
227 ms | 182.171.84.38 |
| 10 | 2026-08-25 04:03 | 639232265900986425 |
|
454 ms | 182.171.84.38 |
| 9 | 2026-08-25 03:46 | 639232255723518075 |
|
438 ms | 182.171.84.38 |
| 8 | 2026-08-25 03:29 | 639232245484452890 |
|
226 ms | 182.171.84.38 |
| 7 | 2026-08-25 03:12 | 639232235157175331 |
|
248 ms | 182.171.84.38 |
| 6 | 2026-08-25 02:18 | 639232203197189095 |
|
241 ms | 182.171.84.38 |
| 5 | 2026-08-25 02:01 | 639232192844564298 |
|
229 ms | 182.171.84.38 |
| 4 | 2026-08-25 01:44 | 639232182496008942 |
|
249 ms | 182.171.84.38 |
| 3 | 2026-08-25 01:27 | 639232172197053132 |
|
223 ms | 182.171.84.38 |
| 2 | 2026-08-25 00:33 | 639232140250307418 |
|
269 ms | 182.171.84.38 |
| 1 | 2026-08-25 00:16 | 639232129927860324 |
|
446 ms | 182.171.84.38 |