History for dns1.zknu.edu.cn
Domain: zknu.edu.cn • Tracking since 2026-08-04 23:25 UTC
DNS response history for dns1.zknu.edu.cn
dns1.zknu.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 40 DNS check records, 40 successful responses, 0 failed responses, and 633 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.zknu.edu.cn.
Records on Selected Date
40
Historical checks stored for this nameserver on selected date
Average Latency
633 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-25 13:36
All timestamps shown in UTC
Latest Resolved IP on Selected Date
49.122.24.253
Most recently resolved hosting IP on selected date
Successful Responses
40
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.zknu.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 |
|---|---|---|---|---|---|
| 40 | 2026-08-25 13:36 | 639232608016476376 |
|
619 ms | 49.122.24.253 |
| 39 | 2026-08-25 13:18 | 639232597643611557 |
|
488 ms | 49.122.24.253 |
| 38 | 2026-08-25 13:01 | 639232587225721862 |
|
741 ms | 49.122.24.253 |
| 37 | 2026-08-25 12:44 | 639232576780683689 |
|
277 ms | 49.122.24.253 |
| 36 | 2026-08-25 12:26 | 639232566381512620 |
|
734 ms | 49.122.24.253 |
| 35 | 2026-08-25 12:09 | 639232556111768563 |
|
6 ms | 49.122.24.253 |
| 34 | 2026-08-25 11:52 | 639232545839529039 |
|
538 ms | 49.122.24.253 |
| 33 | 2026-08-25 11:35 | 639232535349285207 |
|
675 ms | 49.122.24.253 |
| 32 | 2026-08-25 11:17 | 639232524938080723 |
|
1136 ms | 49.122.24.253 |
| 31 | 2026-08-25 10:23 | 639232492740373468 |
|
4 ms | 49.122.24.253 |
| 30 | 2026-08-25 10:06 | 639232482235303141 |
|
1163 ms | 49.122.24.253 |
| 29 | 2026-08-25 09:49 | 639232471861770303 |
|
4 ms | 49.122.24.253 |
| 28 | 2026-08-25 09:32 | 639232461630217327 |
|
712 ms | 49.122.24.253 |
| 27 | 2026-08-25 09:14 | 639232451282965990 |
|
543 ms | 49.122.24.253 |
| 26 | 2026-08-25 08:57 | 639232440814614938 |
|
3 ms | 49.122.24.253 |
| 25 | 2026-08-25 08:40 | 639232430410720425 |
|
4 ms | 49.122.24.253 |
| 24 | 2026-08-25 08:22 | 639232420003096185 |
|
1034 ms | 49.122.24.253 |
| 23 | 2026-08-25 08:05 | 639232409467287444 |
|
711 ms | 49.122.24.253 |
| 22 | 2026-08-25 07:48 | 639232399077195997 |
|
824 ms | 49.122.24.253 |
| 21 | 2026-08-25 07:30 | 639232388731528337 |
|
782 ms | 49.122.24.253 |
| 20 | 2026-08-25 07:13 | 639232378288598612 |
|
759 ms | 49.122.24.253 |
| 19 | 2026-08-25 06:19 | 639232346196373643 |
|
765 ms | 49.122.24.253 |
| 18 | 2026-08-25 06:02 | 639232336112370741 |
|
719 ms | 49.122.24.253 |
| 17 | 2026-08-25 05:45 | 639232326146508970 |
|
1153 ms | 49.122.24.253 |
| 16 | 2026-08-25 05:29 | 639232316189381720 |
|
772 ms | 49.122.24.253 |
| 15 | 2026-08-25 05:12 | 639232306217998913 |
|
1428 ms | 49.122.24.253 |
| 14 | 2026-08-25 04:56 | 639232296255744174 |
|
887 ms | 49.122.24.253 |
| 13 | 2026-08-25 04:39 | 639232286095760789 |
|
226 ms | 49.122.24.253 |
| 12 | 2026-08-25 04:22 | 639232276086186273 |
|
667 ms | 49.122.24.253 |
| 11 | 2026-08-25 04:05 | 639232265900986425 |
|
487 ms | 49.122.24.253 |
| 10 | 2026-08-25 03:48 | 639232255723518075 |
|
843 ms | 49.122.24.253 |
| 9 | 2026-08-25 03:31 | 639232245484452890 |
|
723 ms | 49.122.24.253 |
| 8 | 2026-08-25 03:14 | 639232235157175331 |
|
545 ms | 49.122.24.253 |
| 7 | 2026-08-25 02:21 | 639232203197189095 |
|
575 ms | 49.122.24.253 |
| 6 | 2026-08-25 02:04 | 639232192844564298 |
|
750 ms | 49.122.24.253 |
| 5 | 2026-08-25 01:46 | 639232182496008942 |
|
650 ms | 49.122.24.253 |
| 4 | 2026-08-25 01:29 | 639232172197053132 |
|
646 ms | 49.122.24.253 |
| 3 | 2026-08-25 00:36 | 639232140250307418 |
|
661 ms | 49.122.24.253 |
| 2 | 2026-08-25 00:19 | 639232129927860324 |
|
433 ms | 49.122.24.253 |
| 1 | 2026-08-25 00:02 | 639232119551972438 |
|
618 ms | 49.122.24.253 |