History for dns2.ptu.edu.cn
Domain: ptu.edu.cn • Tracking since 2026-08-04 23:25 UTC
DNS response history for dns2.ptu.edu.cn
dns2.ptu.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 47 DNS check records, 47 successful responses, 0 failed responses, and 692 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.ptu.edu.cn.
Records on Selected Date
47
Historical checks stored for this nameserver on selected date
Average Latency
692 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-25 16:13
All timestamps shown in UTC
Latest Resolved IP on Selected Date
59.77.176.194
Most recently resolved hosting IP on selected date
Successful Responses
47
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.ptu.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 |
|---|---|---|---|---|---|
| 47 | 2026-08-25 16:13 | 639232703065318207 |
|
4 ms | 59.77.176.194 |
| 46 | 2026-08-25 15:55 | 639232692629559470 |
|
915 ms | 59.77.176.194 |
| 45 | 2026-08-25 15:38 | 639232682238836475 |
|
850 ms | 59.77.176.194 |
| 44 | 2026-08-25 15:20 | 639232671787004306 |
|
316 ms | 59.77.176.194 |
| 43 | 2026-08-25 14:26 | 639232638994329666 |
|
328 ms | 59.77.176.194 |
| 42 | 2026-08-25 14:09 | 639232628614783237 |
|
313 ms | 59.77.176.194 |
| 41 | 2026-08-25 13:51 | 639232618360728578 |
|
317 ms | 59.77.176.194 |
| 40 | 2026-08-25 13:34 | 639232608016476376 |
|
866 ms | 59.77.176.194 |
| 39 | 2026-08-25 13:17 | 639232597643611557 |
|
894 ms | 59.77.176.194 |
| 38 | 2026-08-25 13:00 | 639232587225721862 |
|
321 ms | 59.77.176.194 |
| 37 | 2026-08-25 12:42 | 639232576780683689 |
|
323 ms | 59.77.176.194 |
| 36 | 2026-08-25 12:25 | 639232566381512620 |
|
876 ms | 59.77.176.194 |
| 35 | 2026-08-25 12:07 | 639232556111768563 |
|
863 ms | 59.77.176.194 |
| 34 | 2026-08-25 11:50 | 639232545839529039 |
|
874 ms | 59.77.176.194 |
| 33 | 2026-08-25 11:33 | 639232535349285207 |
|
323 ms | 59.77.176.194 |
| 32 | 2026-08-25 11:16 | 639232524938080723 |
|
852 ms | 59.77.176.194 |
| 31 | 2026-08-25 10:22 | 639232492740373468 |
|
317 ms | 59.77.176.194 |
| 30 | 2026-08-25 10:05 | 639232482235303141 |
|
3301 ms | 59.77.176.194 |
| 29 | 2026-08-25 09:47 | 639232471861770303 |
|
917 ms | 59.77.176.194 |
| 28 | 2026-08-25 09:30 | 639232461630217327 |
|
327 ms | 59.77.176.194 |
| 27 | 2026-08-25 09:13 | 639232451282965990 |
|
965 ms | 59.77.176.194 |
| 26 | 2026-08-25 08:56 | 639232440814614938 |
|
890 ms | 59.77.176.194 |
| 25 | 2026-08-25 08:38 | 639232430410720425 |
|
368 ms | 59.77.176.194 |
| 24 | 2026-08-25 08:21 | 639232420003096185 |
|
1088 ms | 59.77.176.194 |
| 23 | 2026-08-25 08:03 | 639232409467287444 |
|
1237 ms | 59.77.176.194 |
| 22 | 2026-08-25 07:46 | 639232399077195997 |
|
938 ms | 59.77.176.194 |
| 21 | 2026-08-25 07:29 | 639232388731528337 |
|
322 ms | 59.77.176.194 |
| 20 | 2026-08-25 07:11 | 639232378288598612 |
|
934 ms | 59.77.176.194 |
| 19 | 2026-08-25 06:17 | 639232346196373643 |
|
898 ms | 59.77.176.194 |
| 18 | 2026-08-25 06:01 | 639232336112370741 |
|
3 ms | 59.77.176.194 |
| 17 | 2026-08-25 05:44 | 639232326146508970 |
|
899 ms | 59.77.176.194 |
| 16 | 2026-08-25 05:27 | 639232316189381720 |
|
863 ms | 59.77.176.194 |
| 15 | 2026-08-25 05:11 | 639232306217998913 |
|
1001 ms | 59.77.176.194 |
| 14 | 2026-08-25 04:54 | 639232296255744174 |
|
312 ms | 59.77.176.194 |
| 13 | 2026-08-25 04:37 | 639232286095760789 |
|
918 ms | 59.77.176.194 |
| 12 | 2026-08-25 04:20 | 639232276086186273 |
|
338 ms | 59.77.176.194 |
| 11 | 2026-08-25 04:04 | 639232265900986425 |
|
331 ms | 59.77.176.194 |
| 10 | 2026-08-25 03:47 | 639232255723518075 |
|
320 ms | 59.77.176.194 |
| 9 | 2026-08-25 03:30 | 639232245484452890 |
|
315 ms | 59.77.176.194 |
| 8 | 2026-08-25 03:13 | 639232235157175331 |
|
756 ms | 59.77.176.194 |
| 7 | 2026-08-25 02:19 | 639232203197189095 |
|
2011 ms | 59.77.176.194 |
| 6 | 2026-08-25 02:02 | 639232192844564298 |
|
872 ms | 59.77.176.194 |
| 5 | 2026-08-25 01:45 | 639232182496008942 |
|
315 ms | 59.77.176.194 |
| 4 | 2026-08-25 01:28 | 639232172197053132 |
|
317 ms | 59.77.176.194 |
| 3 | 2026-08-25 00:34 | 639232140250307418 |
|
3 ms | 59.77.176.194 |
| 2 | 2026-08-25 00:17 | 639232129927860324 |
|
316 ms | 59.77.176.194 |
| 1 | 2026-08-25 00:00 | 639232119551972438 |
|
881 ms | 59.77.176.194 |