History for dns2.sau.edu.cn
Domain: sau.edu.cn • Tracking since 2026-08-04 23:25 UTC
DNS response history for dns2.sau.edu.cn
dns2.sau.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 44 DNS check records, 44 successful responses, 0 failed responses, and 471 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.sau.edu.cn.
Records on Selected Date
44
Historical checks stored for this nameserver on selected date
Average Latency
471 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-25 15:37
All timestamps shown in UTC
Latest Resolved IP on Selected Date
202.199.24.2
Most recently resolved hosting IP on selected date
Successful Responses
44
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.sau.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 |
|---|---|---|---|---|---|
| 44 | 2026-08-25 15:37 | 639232682238836475 |
|
795 ms | 202.199.24.2 |
| 43 | 2026-08-25 15:20 | 639232671787004306 |
|
744 ms | 202.199.24.2 |
| 42 | 2026-08-25 14:25 | 639232638994329666 |
|
717 ms | 202.199.24.2 |
| 41 | 2026-08-25 14:08 | 639232628614783237 |
|
237 ms | 202.199.24.2 |
| 40 | 2026-08-25 13:50 | 639232618360728578 |
|
303 ms | 202.199.24.2 |
| 39 | 2026-08-25 13:33 | 639232608016476376 |
|
704 ms | 202.199.24.2 |
| 38 | 2026-08-25 13:16 | 639232597643611557 |
|
260 ms | 202.199.24.2 |
| 37 | 2026-08-25 12:59 | 639232587225721862 |
|
260 ms | 202.199.24.2 |
| 36 | 2026-08-25 12:41 | 639232576780683689 |
|
243 ms | 202.199.24.2 |
| 35 | 2026-08-25 12:24 | 639232566381512620 |
|
712 ms | 202.199.24.2 |
| 34 | 2026-08-25 12:07 | 639232556111768563 |
|
250 ms | 202.199.24.2 |
| 33 | 2026-08-25 11:49 | 639232545839529039 |
|
235 ms | 202.199.24.2 |
| 32 | 2026-08-25 11:32 | 639232535349285207 |
|
235 ms | 202.199.24.2 |
| 31 | 2026-08-25 11:15 | 639232524938080723 |
|
246 ms | 202.199.24.2 |
| 30 | 2026-08-25 10:21 | 639232492740373468 |
|
812 ms | 202.199.24.2 |
| 29 | 2026-08-25 10:04 | 639232482235303141 |
|
713 ms | 202.199.24.2 |
| 28 | 2026-08-25 09:46 | 639232471861770303 |
|
786 ms | 202.199.24.2 |
| 27 | 2026-08-25 09:29 | 639232461630217327 |
|
9 ms | 202.199.24.2 |
| 26 | 2026-08-25 09:12 | 639232451282965990 |
|
299 ms | 202.199.24.2 |
| 25 | 2026-08-25 08:55 | 639232440814614938 |
|
823 ms | 202.199.24.2 |
| 24 | 2026-08-25 08:37 | 639232430410720425 |
|
255 ms | 202.199.24.2 |
| 23 | 2026-08-25 08:20 | 639232420003096185 |
|
885 ms | 202.199.24.2 |
| 22 | 2026-08-25 08:03 | 639232409467287444 |
|
248 ms | 202.199.24.2 |
| 21 | 2026-08-25 07:45 | 639232399077195997 |
|
249 ms | 202.199.24.2 |
| 20 | 2026-08-25 07:28 | 639232388731528337 |
|
722 ms | 202.199.24.2 |
| 19 | 2026-08-25 07:10 | 639232378288598612 |
|
240 ms | 202.199.24.2 |
| 18 | 2026-08-25 06:17 | 639232346196373643 |
|
856 ms | 202.199.24.2 |
| 17 | 2026-08-25 06:00 | 639232336112370741 |
|
699 ms | 202.199.24.2 |
| 16 | 2026-08-25 05:43 | 639232326146508970 |
|
2 ms | 202.199.24.2 |
| 15 | 2026-08-25 05:26 | 639232316189381720 |
|
820 ms | 202.199.24.2 |
| 14 | 2026-08-25 05:10 | 639232306217998913 |
|
2 ms | 202.199.24.2 |
| 13 | 2026-08-25 04:53 | 639232296255744174 |
|
244 ms | 202.199.24.2 |
| 12 | 2026-08-25 04:36 | 639232286095760789 |
|
253 ms | 202.199.24.2 |
| 11 | 2026-08-25 04:20 | 639232276086186273 |
|
882 ms | 202.199.24.2 |
| 10 | 2026-08-25 04:03 | 639232265900986425 |
|
803 ms | 202.199.24.2 |
| 9 | 2026-08-25 03:46 | 639232255723518075 |
|
240 ms | 202.199.24.2 |
| 8 | 2026-08-25 03:29 | 639232245484452890 |
|
893 ms | 202.199.24.2 |
| 7 | 2026-08-25 03:12 | 639232235157175331 |
|
495 ms | 202.199.24.2 |
| 6 | 2026-08-25 02:18 | 639232203197189095 |
|
247 ms | 202.199.24.2 |
| 5 | 2026-08-25 02:01 | 639232192844564298 |
|
244 ms | 202.199.24.2 |
| 4 | 2026-08-25 01:44 | 639232182496008942 |
|
240 ms | 202.199.24.2 |
| 3 | 2026-08-25 01:27 | 639232172197053132 |
|
737 ms | 202.199.24.2 |
| 2 | 2026-08-25 00:33 | 639232140250307418 |
|
768 ms | 202.199.24.2 |
| 1 | 2026-08-25 00:17 | 639232129927860324 |
|
301 ms | 202.199.24.2 |