History for dns1.sdupsl.edu.cn
Domain: sdupsl.edu.cn • Tracking since 2026-08-04 23:25 UTC
DNS response history for dns1.sdupsl.edu.cn
dns1.sdupsl.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 2026-08-26. For this date, NameServerHistory found 54 DNS check records, 54 successful responses, 0 failed responses, and 1696 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.sdupsl.edu.cn.
Records on Selected Date
54
Historical checks stored for this nameserver on selected date
Average Latency
1696 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-26 17:51
All timestamps shown in UTC
Latest Resolved IP on Selected Date
211.64.8.1
Most recently resolved hosting IP on selected date
Successful Responses
54
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.sdupsl.edu.cn
Showing DNS history for 2026-08-26 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 |
|---|---|---|---|---|---|
| 54 | 2026-08-26 17:51 | 639233624977342122 |
|
215 ms | 211.64.8.1 |
| 53 | 2026-08-26 17:33 | 639233614446136153 |
|
4279 ms | 211.64.8.1 |
| 52 | 2026-08-26 17:16 | 639233603737877581 |
|
215 ms | 211.64.8.1 |
| 51 | 2026-08-26 16:58 | 639233593269224651 |
|
3956 ms | 211.64.8.1 |
| 50 | 2026-08-26 16:40 | 639233582635086903 |
|
2234 ms | 211.64.8.1 |
| 49 | 2026-08-26 16:23 | 639233572000374575 |
|
3961 ms | 211.64.8.1 |
| 48 | 2026-08-26 16:05 | 639233561188633861 |
|
2354 ms | 211.64.8.1 |
| 47 | 2026-08-26 15:47 | 639233550544357027 |
|
2302 ms | 211.64.8.1 |
| 46 | 2026-08-26 14:52 | 639233517966053117 |
|
726 ms | 211.64.8.1 |
| 45 | 2026-08-26 14:35 | 639233507603253585 |
|
215 ms | 211.64.8.1 |
| 44 | 2026-08-26 14:18 | 639233497229039167 |
|
547 ms | 211.64.8.1 |
| 43 | 2026-08-26 14:00 | 639233486864546406 |
|
4280 ms | 211.64.8.1 |
| 42 | 2026-08-26 13:43 | 639233476455174682 |
|
214 ms | 211.64.8.1 |
| 41 | 2026-08-26 13:26 | 639233466171592605 |
|
4283 ms | 211.64.8.1 |
| 40 | 2026-08-26 13:09 | 639233455747096265 |
|
2009 ms | 211.64.8.1 |
| 39 | 2026-08-26 12:51 | 639233445367152284 |
|
3773 ms | 211.64.8.1 |
| 38 | 2026-08-26 12:34 | 639233434974187439 |
|
2007 ms | 211.64.8.1 |
| 37 | 2026-08-26 12:17 | 639233424567558554 |
|
2448 ms | 211.64.8.1 |
| 36 | 2026-08-26 11:59 | 639233414056832719 |
|
2010 ms | 211.64.8.1 |
| 35 | 2026-08-26 11:42 | 639233403515141099 |
|
2009 ms | 211.64.8.1 |
| 34 | 2026-08-26 10:47 | 639233370841350248 |
|
214 ms | 211.64.8.1 |
| 33 | 2026-08-26 10:30 | 639233360361507238 |
|
216 ms | 211.64.8.1 |
| 32 | 2026-08-26 10:12 | 639233350067824371 |
|
804 ms | 211.64.8.1 |
| 31 | 2026-08-26 09:55 | 639233339545274518 |
|
2266 ms | 211.64.8.1 |
| 30 | 2026-08-26 09:38 | 639233329214918079 |
|
221 ms | 211.64.8.1 |
| 29 | 2026-08-26 09:20 | 639233318749762337 |
|
215 ms | 211.64.8.1 |
| 28 | 2026-08-26 09:03 | 639233308387917838 |
|
717 ms | 211.64.8.1 |
| 27 | 2026-08-26 08:46 | 639233297961740122 |
|
2466 ms | 211.64.8.1 |
| 26 | 2026-08-26 08:28 | 639233287487159094 |
|
215 ms | 211.64.8.1 |
| 25 | 2026-08-26 08:11 | 639233276995531707 |
|
236 ms | 211.64.8.1 |
| 24 | 2026-08-26 07:53 | 639233266521568229 |
|
226 ms | 211.64.8.1 |
| 23 | 2026-08-26 07:36 | 639233256081047431 |
|
4281 ms | 211.64.8.1 |
| 22 | 2026-08-26 06:42 | 639233223620132921 |
|
219 ms | 211.64.8.1 |
| 21 | 2026-08-26 06:24 | 639233213287814244 |
|
4281 ms | 211.64.8.1 |
| 20 | 2026-08-26 06:07 | 639233202925983161 |
|
734 ms | 211.64.8.1 |
| 19 | 2026-08-26 05:50 | 639233192644780696 |
|
713 ms | 211.64.8.1 |
| 18 | 2026-08-26 05:33 | 639233182401183833 |
|
218 ms | 211.64.8.1 |
| 17 | 2026-08-26 05:16 | 639233172074181051 |
|
3959 ms | 211.64.8.1 |
| 16 | 2026-08-26 04:58 | 639233161808421455 |
|
2289 ms | 211.64.8.1 |
| 15 | 2026-08-26 04:41 | 639233151357344052 |
|
714 ms | 211.64.8.1 |
| 14 | 2026-08-26 04:24 | 639233141034116946 |
|
2240 ms | 211.64.8.1 |
| 13 | 2026-08-26 04:07 | 639233130828334142 |
|
2 ms | 211.64.8.1 |
| 12 | 2026-08-26 03:50 | 639233120373450007 |
|
719 ms | 211.64.8.1 |
| 11 | 2026-08-26 03:32 | 639233110066216193 |
|
796 ms | 211.64.8.1 |
| 10 | 2026-08-26 02:39 | 639233078065410564 |
|
2 ms | 211.64.8.1 |
| 9 | 2026-08-26 02:22 | 639233067787457832 |
|
233 ms | 211.64.8.1 |
| 8 | 2026-08-26 02:05 | 639233057501801162 |
|
2239 ms | 211.64.8.1 |
| 7 | 2026-08-26 01:48 | 639233047089431703 |
|
282 ms | 211.64.8.1 |
| 6 | 2026-08-26 01:30 | 639233036754790688 |
|
2256 ms | 211.64.8.1 |
| 5 | 2026-08-26 01:13 | 639233026412602472 |
|
3913 ms | 211.64.8.1 |
| 4 | 2026-08-26 00:56 | 639233016064066127 |
|
2285 ms | 211.64.8.1 |
| 3 | 2026-08-26 00:38 | 639233005922655772 |
|
793 ms | 211.64.8.1 |
| 2 | 2026-08-26 00:22 | 639232995672256907 |
|
4281 ms | 211.64.8.1 |
| 1 | 2026-08-26 00:04 | 639232985300872416 |
|
2278 ms | 211.64.8.1 |