History for dns4.ustb.edu.cn
Domain: ustb.edu.cn • Tracking since 2026-08-04 23:25 UTC
DNS response history for dns4.ustb.edu.cn
dns4.ustb.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 44 DNS check records, 44 successful responses, 0 failed responses, and 302 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 dns4.ustb.edu.cn.
Records on Selected Date
44
Historical checks stored for this nameserver on selected date
Average Latency
302 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-26 14:30
All timestamps shown in UTC
Latest Resolved IP on Selected Date
123.124.147.252
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 dns4.ustb.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 |
|---|---|---|---|---|---|
| 44 | 2026-08-26 14:30 | 639233507603253585 |
|
233 ms | 123.124.147.252 |
| 43 | 2026-08-26 14:12 | 639233497229039167 |
|
312 ms | 123.124.147.252 |
| 42 | 2026-08-26 13:55 | 639233486864546406 |
|
161 ms | 123.124.147.252 |
| 41 | 2026-08-26 13:38 | 639233476455174682 |
|
240 ms | 123.124.147.252 |
| 40 | 2026-08-26 13:21 | 639233466171592605 |
|
543 ms | 123.124.147.252 |
| 39 | 2026-08-26 13:04 | 639233455747096265 |
|
311 ms | 123.124.147.252 |
| 38 | 2026-08-26 12:46 | 639233445367152284 |
|
257 ms | 123.124.147.252 |
| 37 | 2026-08-26 12:29 | 639233434974187439 |
|
236 ms | 123.124.147.252 |
| 36 | 2026-08-26 12:11 | 639233424567558554 |
|
241 ms | 123.124.147.252 |
| 35 | 2026-08-26 11:54 | 639233414056832719 |
|
231 ms | 123.124.147.252 |
| 34 | 2026-08-26 11:36 | 639233403515141099 |
|
232 ms | 123.124.147.252 |
| 33 | 2026-08-26 10:42 | 639233370841350248 |
|
251 ms | 123.124.147.252 |
| 32 | 2026-08-26 10:25 | 639233360361507238 |
|
232 ms | 123.124.147.252 |
| 31 | 2026-08-26 10:07 | 639233350067824371 |
|
2528 ms | 123.124.147.252 |
| 30 | 2026-08-26 09:50 | 639233339545274518 |
|
240 ms | 123.124.147.252 |
| 29 | 2026-08-26 09:32 | 639233329214918079 |
|
539 ms | 123.124.147.252 |
| 28 | 2026-08-26 09:15 | 639233318749762337 |
|
256 ms | 123.124.147.252 |
| 27 | 2026-08-26 08:58 | 639233308387917838 |
|
301 ms | 123.124.147.252 |
| 26 | 2026-08-26 08:40 | 639233297961740122 |
|
245 ms | 123.124.147.252 |
| 25 | 2026-08-26 08:23 | 639233287487159094 |
|
238 ms | 123.124.147.252 |
| 24 | 2026-08-26 08:06 | 639233276995531707 |
|
242 ms | 123.124.147.252 |
| 23 | 2026-08-26 07:48 | 639233266521568229 |
|
279 ms | 123.124.147.252 |
| 22 | 2026-08-26 07:30 | 639233256081047431 |
|
242 ms | 123.124.147.252 |
| 21 | 2026-08-26 06:37 | 639233223620132921 |
|
4 ms | 123.124.147.252 |
| 20 | 2026-08-26 06:19 | 639233213287814244 |
|
227 ms | 123.124.147.252 |
| 19 | 2026-08-26 06:02 | 639233202925983161 |
|
3 ms | 123.124.147.252 |
| 18 | 2026-08-26 05:45 | 639233192644780696 |
|
4 ms | 123.124.147.252 |
| 17 | 2026-08-26 05:28 | 639233182401183833 |
|
226 ms | 123.124.147.252 |
| 16 | 2026-08-26 05:11 | 639233172074181051 |
|
233 ms | 123.124.147.252 |
| 15 | 2026-08-26 04:53 | 639233161808421455 |
|
298 ms | 123.124.147.252 |
| 14 | 2026-08-26 04:36 | 639233151357344052 |
|
218 ms | 123.124.147.252 |
| 13 | 2026-08-26 04:19 | 639233141034116946 |
|
225 ms | 123.124.147.252 |
| 12 | 2026-08-26 04:02 | 639233130828334142 |
|
231 ms | 123.124.147.252 |
| 11 | 2026-08-26 03:45 | 639233120373450007 |
|
229 ms | 123.124.147.252 |
| 10 | 2026-08-26 03:27 | 639233110066216193 |
|
241 ms | 123.124.147.252 |
| 9 | 2026-08-26 02:34 | 639233078065410564 |
|
237 ms | 123.124.147.252 |
| 8 | 2026-08-26 02:17 | 639233067787457832 |
|
225 ms | 123.124.147.252 |
| 7 | 2026-08-26 02:00 | 639233057501801162 |
|
226 ms | 123.124.147.252 |
| 6 | 2026-08-26 01:42 | 639233047089431703 |
|
223 ms | 123.124.147.252 |
| 5 | 2026-08-26 01:25 | 639233036754790688 |
|
221 ms | 123.124.147.252 |
| 4 | 2026-08-26 01:08 | 639233026412602472 |
|
307 ms | 123.124.147.252 |
| 3 | 2026-08-26 00:51 | 639233016064066127 |
|
223 ms | 123.124.147.252 |
| 2 | 2026-08-26 00:33 | 639233005922655772 |
|
222 ms | 123.124.147.252 |
| 1 | 2026-08-26 00:16 | 639232995672256907 |
|
684 ms | 123.124.147.252 |