History for dns1.stbu.edu.cn
Domain: stbu.edu.cn • Tracking since 2026-08-04 23:25 UTC
DNS response history for dns1.stbu.edu.cn
dns1.stbu.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 40 DNS check records, 40 successful responses, 0 failed responses, and 799 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.stbu.edu.cn.
Records on Selected Date
40
Historical checks stored for this nameserver on selected date
Average Latency
799 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-26 13:07
All timestamps shown in UTC
Latest Resolved IP on Selected Date
202.115.254.250
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.stbu.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 |
|---|---|---|---|---|---|
| 40 | 2026-08-26 13:07 | 639233455747096265 |
|
615 ms | 202.115.254.250 |
| 39 | 2026-08-26 12:50 | 639233445367152284 |
|
632 ms | 202.115.254.250 |
| 38 | 2026-08-26 12:33 | 639233434974187439 |
|
614 ms | 202.115.254.250 |
| 37 | 2026-08-26 12:15 | 639233424567558554 |
|
611 ms | 202.115.254.250 |
| 36 | 2026-08-26 11:58 | 639233414056832719 |
|
909 ms | 202.115.254.250 |
| 35 | 2026-08-26 11:40 | 639233403515141099 |
|
900 ms | 202.115.254.250 |
| 34 | 2026-08-26 10:46 | 639233370841350248 |
|
877 ms | 202.115.254.250 |
| 33 | 2026-08-26 10:29 | 639233360361507238 |
|
875 ms | 202.115.254.250 |
| 32 | 2026-08-26 10:11 | 639233350067824371 |
|
631 ms | 202.115.254.250 |
| 31 | 2026-08-26 09:54 | 639233339545274518 |
|
620 ms | 202.115.254.250 |
| 30 | 2026-08-26 09:36 | 639233329214918079 |
|
887 ms | 202.115.254.250 |
| 29 | 2026-08-26 09:19 | 639233318749762337 |
|
612 ms | 202.115.254.250 |
| 28 | 2026-08-26 09:02 | 639233308387917838 |
|
872 ms | 202.115.254.250 |
| 27 | 2026-08-26 08:44 | 639233297961740122 |
|
898 ms | 202.115.254.250 |
| 26 | 2026-08-26 08:27 | 639233287487159094 |
|
879 ms | 202.115.254.250 |
| 25 | 2026-08-26 08:10 | 639233276995531707 |
|
847 ms | 202.115.254.250 |
| 24 | 2026-08-26 07:52 | 639233266521568229 |
|
855 ms | 202.115.254.250 |
| 23 | 2026-08-26 07:35 | 639233256081047431 |
|
891 ms | 202.115.254.250 |
| 22 | 2026-08-26 06:41 | 639233223620132921 |
|
574 ms | 202.115.254.250 |
| 21 | 2026-08-26 06:23 | 639233213287814244 |
|
606 ms | 202.115.254.250 |
| 20 | 2026-08-26 06:06 | 639233202925983161 |
|
2563 ms | 202.115.254.250 |
| 19 | 2026-08-26 05:49 | 639233192644780696 |
|
573 ms | 202.115.254.250 |
| 18 | 2026-08-26 05:32 | 639233182401183833 |
|
799 ms | 202.115.254.250 |
| 17 | 2026-08-26 05:15 | 639233172074181051 |
|
877 ms | 202.115.254.250 |
| 16 | 2026-08-26 04:57 | 639233161808421455 |
|
843 ms | 202.115.254.250 |
| 15 | 2026-08-26 04:40 | 639233151357344052 |
|
805 ms | 202.115.254.250 |
| 14 | 2026-08-26 04:23 | 639233141034116946 |
|
610 ms | 202.115.254.250 |
| 13 | 2026-08-26 04:06 | 639233130828334142 |
|
603 ms | 202.115.254.250 |
| 12 | 2026-08-26 03:48 | 639233120373450007 |
|
803 ms | 202.115.254.250 |
| 11 | 2026-08-26 03:31 | 639233110066216193 |
|
845 ms | 202.115.254.250 |
| 10 | 2026-08-26 02:38 | 639233078065410564 |
|
591 ms | 202.115.254.250 |
| 9 | 2026-08-26 02:21 | 639233067787457832 |
|
816 ms | 202.115.254.250 |
| 8 | 2026-08-26 02:04 | 639233057501801162 |
|
597 ms | 202.115.254.250 |
| 7 | 2026-08-26 01:46 | 639233047089431703 |
|
886 ms | 202.115.254.250 |
| 6 | 2026-08-26 01:29 | 639233036754790688 |
|
931 ms | 202.115.254.250 |
| 5 | 2026-08-26 01:12 | 639233026412602472 |
|
1069 ms | 202.115.254.250 |
| 4 | 2026-08-26 00:55 | 639233016064066127 |
|
581 ms | 202.115.254.250 |
| 3 | 2026-08-26 00:37 | 639233005922655772 |
|
585 ms | 202.115.254.250 |
| 2 | 2026-08-26 00:20 | 639232995672256907 |
|
570 ms | 202.115.254.250 |
| 1 | 2026-08-26 00:03 | 639232985300872416 |
|
824 ms | 202.115.254.250 |