History for dns1.ptu.edu.cn
Domain: ptu.edu.cn • Tracking since 2026-08-04 23:25 UTC
DNS response history for dns1.ptu.edu.cn
dns1.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 2026-08-27. For this date, NameServerHistory found 35 DNS check records, 35 successful responses, 0 failed responses, and 627 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.ptu.edu.cn.
Records on Selected Date
35
Historical checks stored for this nameserver on selected date
Average Latency
627 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-27 11:17
All timestamps shown in UTC
Latest Resolved IP on Selected Date
59.77.176.193
Most recently resolved hosting IP on selected date
Successful Responses
35
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.ptu.edu.cn
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 |
|---|---|---|---|---|---|
| 35 | 2026-08-27 11:17 | 639234253963286387 |
|
1367 ms | 59.77.176.193 |
| 34 | 2026-08-27 11:00 | 639234243654907465 |
|
631 ms | 59.77.176.193 |
| 33 | 2026-08-27 10:43 | 639234233269654413 |
|
859 ms | 59.77.176.193 |
| 32 | 2026-08-27 10:26 | 639234222943951923 |
|
320 ms | 59.77.176.193 |
| 31 | 2026-08-27 10:08 | 639234212558002823 |
|
1189 ms | 59.77.176.193 |
| 30 | 2026-08-27 09:51 | 639234202117531850 |
|
916 ms | 59.77.176.193 |
| 29 | 2026-08-27 09:34 | 639234191649612722 |
|
337 ms | 59.77.176.193 |
| 28 | 2026-08-27 09:16 | 639234181105879568 |
|
337 ms | 59.77.176.193 |
| 27 | 2026-08-27 08:59 | 639234170713214496 |
|
671 ms | 59.77.176.193 |
| 26 | 2026-08-27 08:41 | 639234160341037652 |
|
340 ms | 59.77.176.193 |
| 25 | 2026-08-27 08:24 | 639234149799404224 |
|
930 ms | 59.77.176.193 |
| 24 | 2026-08-27 08:06 | 639234139553286469 |
|
317 ms | 59.77.176.193 |
| 23 | 2026-08-27 07:13 | 639234107183588293 |
|
886 ms | 59.77.176.193 |
| 22 | 2026-08-27 06:55 | 639234096905435724 |
|
318 ms | 59.77.176.193 |
| 21 | 2026-08-27 06:38 | 639234086579410775 |
|
330 ms | 59.77.176.193 |
| 20 | 2026-08-27 06:21 | 639234076291157956 |
|
909 ms | 59.77.176.193 |
| 19 | 2026-08-27 06:04 | 639234065981939454 |
|
326 ms | 59.77.176.193 |
| 18 | 2026-08-27 05:47 | 639234055548642997 |
|
338 ms | 59.77.176.193 |
| 17 | 2026-08-27 05:29 | 639234045267979603 |
|
906 ms | 59.77.176.193 |
| 16 | 2026-08-27 05:12 | 639234034999717463 |
|
902 ms | 59.77.176.193 |
| 15 | 2026-08-27 04:55 | 639234024739225358 |
|
4 ms | 59.77.176.193 |
| 14 | 2026-08-27 04:38 | 639234014311170162 |
|
899 ms | 59.77.176.193 |
| 13 | 2026-08-27 04:21 | 639234003806017640 |
|
310 ms | 59.77.176.193 |
| 12 | 2026-08-27 04:03 | 639233993356203030 |
|
855 ms | 59.77.176.193 |
| 11 | 2026-08-27 03:10 | 639233961301716608 |
|
906 ms | 59.77.176.193 |
| 10 | 2026-08-27 02:52 | 639233950834200647 |
|
906 ms | 59.77.176.193 |
| 9 | 2026-08-27 02:35 | 639233940431849026 |
|
3 ms | 59.77.176.193 |
| 8 | 2026-08-27 02:18 | 639233930110596398 |
|
317 ms | 59.77.176.193 |
| 7 | 2026-08-27 02:00 | 639233919705434540 |
|
837 ms | 59.77.176.193 |
| 6 | 2026-08-27 01:43 | 639233909452807845 |
|
314 ms | 59.77.176.193 |
| 5 | 2026-08-27 01:26 | 639233899096420820 |
|
838 ms | 59.77.176.193 |
| 4 | 2026-08-27 01:09 | 639233888707824939 |
|
887 ms | 59.77.176.193 |
| 3 | 2026-08-27 00:51 | 639233878461203802 |
|
315 ms | 59.77.176.193 |
| 2 | 2026-08-27 00:34 | 639233868060868209 |
|
559 ms | 59.77.176.193 |
| 1 | 2026-08-27 00:17 | 639233857450922991 |
|
882 ms | 59.77.176.193 |