History for dns2.sdca.edu.cn
Domain: sdca.edu.cn • Tracking since 2026-08-04 23:25 UTC
DNS response history for dns2.sdca.edu.cn
dns2.sdca.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 41 DNS check records, 41 successful responses, 0 failed responses, and 1576 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.sdca.edu.cn.
Records on Selected Date
41
Historical checks stored for this nameserver on selected date
Average Latency
1576 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-25 13:53
All timestamps shown in UTC
Latest Resolved IP on Selected Date
211.64.104.2
Most recently resolved hosting IP on selected date
Successful Responses
41
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.sdca.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 |
|---|---|---|---|---|---|
| 41 | 2026-08-25 13:53 | 639232618360728578 |
|
1227 ms | 211.64.104.2 |
| 40 | 2026-08-25 13:36 | 639232608016476376 |
|
4292 ms | 211.64.104.2 |
| 39 | 2026-08-25 13:18 | 639232597643611557 |
|
1535 ms | 211.64.104.2 |
| 38 | 2026-08-25 13:01 | 639232587225721862 |
|
1357 ms | 211.64.104.2 |
| 37 | 2026-08-25 12:43 | 639232576780683689 |
|
1311 ms | 211.64.104.2 |
| 36 | 2026-08-25 12:26 | 639232566381512620 |
|
1361 ms | 211.64.104.2 |
| 35 | 2026-08-25 12:09 | 639232556111768563 |
|
228 ms | 211.64.104.2 |
| 34 | 2026-08-25 11:52 | 639232545839529039 |
|
1279 ms | 211.64.104.2 |
| 33 | 2026-08-25 11:35 | 639232535349285207 |
|
1322 ms | 211.64.104.2 |
| 32 | 2026-08-25 11:17 | 639232524938080723 |
|
3990 ms | 211.64.104.2 |
| 31 | 2026-08-25 10:23 | 639232492740373468 |
|
4 ms | 211.64.104.2 |
| 30 | 2026-08-25 10:06 | 639232482235303141 |
|
1784 ms | 211.64.104.2 |
| 29 | 2026-08-25 09:48 | 639232471861770303 |
|
1703 ms | 211.64.104.2 |
| 28 | 2026-08-25 09:31 | 639232461630217327 |
|
4289 ms | 211.64.104.2 |
| 27 | 2026-08-25 09:14 | 639232451282965990 |
|
215 ms | 211.64.104.2 |
| 26 | 2026-08-25 08:57 | 639232440814614938 |
|
797 ms | 211.64.104.2 |
| 25 | 2026-08-25 08:39 | 639232430410720425 |
|
4 ms | 211.64.104.2 |
| 24 | 2026-08-25 08:22 | 639232420003096185 |
|
1364 ms | 211.64.104.2 |
| 23 | 2026-08-25 08:05 | 639232409467287444 |
|
2304 ms | 211.64.104.2 |
| 22 | 2026-08-25 07:47 | 639232399077195997 |
|
1349 ms | 211.64.104.2 |
| 21 | 2026-08-25 07:30 | 639232388731528337 |
|
1579 ms | 211.64.104.2 |
| 20 | 2026-08-25 07:13 | 639232378288598612 |
|
1464 ms | 211.64.104.2 |
| 19 | 2026-08-25 06:19 | 639232346196373643 |
|
1312 ms | 211.64.104.2 |
| 18 | 2026-08-25 06:02 | 639232336112370741 |
|
1636 ms | 211.64.104.2 |
| 17 | 2026-08-25 05:45 | 639232326146508970 |
|
4 ms | 211.64.104.2 |
| 16 | 2026-08-25 05:28 | 639232316189381720 |
|
3 ms | 211.64.104.2 |
| 15 | 2026-08-25 05:12 | 639232306217998913 |
|
1567 ms | 211.64.104.2 |
| 14 | 2026-08-25 04:55 | 639232296255744174 |
|
715 ms | 211.64.104.2 |
| 13 | 2026-08-25 04:39 | 639232286095760789 |
|
2794 ms | 211.64.104.2 |
| 12 | 2026-08-25 04:22 | 639232276086186273 |
|
797 ms | 211.64.104.2 |
| 11 | 2026-08-25 04:05 | 639232265900986425 |
|
1515 ms | 211.64.104.2 |
| 10 | 2026-08-25 03:48 | 639232255723518075 |
|
3952 ms | 211.64.104.2 |
| 9 | 2026-08-25 03:31 | 639232245484452890 |
|
1355 ms | 211.64.104.2 |
| 8 | 2026-08-25 03:14 | 639232235157175331 |
|
1732 ms | 211.64.104.2 |
| 7 | 2026-08-25 02:20 | 639232203197189095 |
|
1536 ms | 211.64.104.2 |
| 6 | 2026-08-25 02:03 | 639232192844564298 |
|
219 ms | 211.64.104.2 |
| 5 | 2026-08-25 01:46 | 639232182496008942 |
|
3773 ms | 211.64.104.2 |
| 4 | 2026-08-25 01:29 | 639232172197053132 |
|
1230 ms | 211.64.104.2 |
| 3 | 2026-08-25 00:35 | 639232140250307418 |
|
4 ms | 211.64.104.2 |
| 2 | 2026-08-25 00:19 | 639232129927860324 |
|
1430 ms | 211.64.104.2 |
| 1 | 2026-08-25 00:01 | 639232119551972438 |
|
4286 ms | 211.64.104.2 |