History for dns2.polus.edu.cn
Domain: polus.edu.cn • Tracking since 2026-08-04 23:25 UTC
DNS response history for dns2.polus.edu.cn
dns2.polus.edu.cn 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 43 DNS check records, 43 successful responses, 0 failed responses, and 1256 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 dns2.polus.edu.cn.
Records on Selected Date
43
Historical checks stored for this nameserver on selected date
Average Latency
1256 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-25 14:27
All timestamps shown in UTC
Latest Resolved IP on Selected Date
171.217.95.133
Most recently resolved hosting IP on selected date
Successful Responses
43
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 dns2.polus.edu.cn
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 |
|---|---|---|---|---|---|
| 43 | 2026-08-25 14:27 | 639232638994329666 |
|
1974 ms | 171.217.95.133 |
| 42 | 2026-08-25 14:10 | 639232628614783237 |
|
688 ms | 171.217.95.133 |
| 41 | 2026-08-25 13:52 | 639232618360728578 |
|
1906 ms | 171.217.95.133 |
| 40 | 2026-08-25 13:35 | 639232608016476376 |
|
4341 ms | 171.217.95.133 |
| 39 | 2026-08-25 13:18 | 639232597643611557 |
|
246 ms | 171.217.95.133 |
| 38 | 2026-08-25 13:01 | 639232587225721862 |
|
247 ms | 171.217.95.133 |
| 37 | 2026-08-25 12:43 | 639232576780683689 |
|
1507 ms | 171.217.95.133 |
| 36 | 2026-08-25 12:26 | 639232566381512620 |
|
1941 ms | 171.217.95.133 |
| 35 | 2026-08-25 12:08 | 639232556111768563 |
|
232 ms | 171.217.95.133 |
| 34 | 2026-08-25 11:51 | 639232545839529039 |
|
1864 ms | 171.217.95.133 |
| 33 | 2026-08-25 11:34 | 639232535349285207 |
|
264 ms | 171.217.95.133 |
| 32 | 2026-08-25 11:17 | 639232524938080723 |
|
1902 ms | 171.217.95.133 |
| 31 | 2026-08-25 10:23 | 639232492740373468 |
|
234 ms | 171.217.95.133 |
| 30 | 2026-08-25 10:06 | 639232482235303141 |
|
236 ms | 171.217.95.133 |
| 29 | 2026-08-25 09:48 | 639232471861770303 |
|
243 ms | 171.217.95.133 |
| 28 | 2026-08-25 09:31 | 639232461630217327 |
|
1948 ms | 171.217.95.133 |
| 27 | 2026-08-25 09:14 | 639232451282965990 |
|
4344 ms | 171.217.95.133 |
| 26 | 2026-08-25 08:57 | 639232440814614938 |
|
244 ms | 171.217.95.133 |
| 25 | 2026-08-25 08:39 | 639232430410720425 |
|
838 ms | 171.217.95.133 |
| 24 | 2026-08-25 08:22 | 639232420003096185 |
|
626 ms | 171.217.95.133 |
| 23 | 2026-08-25 08:04 | 639232409467287444 |
|
1999 ms | 171.217.95.133 |
| 22 | 2026-08-25 07:47 | 639232399077195997 |
|
1996 ms | 171.217.95.133 |
| 21 | 2026-08-25 07:30 | 639232388731528337 |
|
1976 ms | 171.217.95.133 |
| 20 | 2026-08-25 07:12 | 639232378288598612 |
|
1975 ms | 171.217.95.133 |
| 19 | 2026-08-25 06:18 | 639232346196373643 |
|
235 ms | 171.217.95.133 |
| 18 | 2026-08-25 06:02 | 639232336112370741 |
|
1720 ms | 171.217.95.133 |
| 17 | 2026-08-25 05:45 | 639232326146508970 |
|
225 ms | 171.217.95.133 |
| 16 | 2026-08-25 05:28 | 639232316189381720 |
|
3746 ms | 171.217.95.133 |
| 15 | 2026-08-25 05:12 | 639232306217998913 |
|
3 ms | 171.217.95.133 |
| 14 | 2026-08-25 04:55 | 639232296255744174 |
|
2 ms | 171.217.95.133 |
| 13 | 2026-08-25 04:38 | 639232286095760789 |
|
1971 ms | 171.217.95.133 |
| 12 | 2026-08-25 04:21 | 639232276086186273 |
|
800 ms | 171.217.95.133 |
| 11 | 2026-08-25 04:05 | 639232265900986425 |
|
814 ms | 171.217.95.133 |
| 10 | 2026-08-25 03:48 | 639232255723518075 |
|
284 ms | 171.217.95.133 |
| 9 | 2026-08-25 03:31 | 639232245484452890 |
|
270 ms | 171.217.95.133 |
| 8 | 2026-08-25 03:14 | 639232235157175331 |
|
1902 ms | 171.217.95.133 |
| 7 | 2026-08-25 02:20 | 639232203197189095 |
|
294 ms | 171.217.95.133 |
| 6 | 2026-08-25 02:03 | 639232192844564298 |
|
1954 ms | 171.217.95.133 |
| 5 | 2026-08-25 01:46 | 639232182496008942 |
|
1926 ms | 171.217.95.133 |
| 4 | 2026-08-25 01:29 | 639232172197053132 |
|
1906 ms | 171.217.95.133 |
| 3 | 2026-08-25 00:35 | 639232140250307418 |
|
2 ms | 171.217.95.133 |
| 2 | 2026-08-25 00:18 | 639232129927860324 |
|
1906 ms | 171.217.95.133 |
| 1 | 2026-08-25 00:01 | 639232119551972438 |
|
290 ms | 171.217.95.133 |