History for ns1.pavietnam.vn.summerschool.edu.vn
Domain: summerschool.edu.vn • Tracking since 2026-08-04 23:25 UTC
DNS response history for ns1.pavietnam.vn.summerschool.edu.vn
ns1.pavietnam.vn.summerschool.edu.vn 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 2026-09-01. For this date, NameServerHistory found 48 DNS check records, 48 successful responses, 0 failed responses, and 924 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 ns1.pavietnam.vn.summerschool.edu.vn.
Records on Selected Date
48
Historical checks stored for this nameserver on selected date
Average Latency
924 ms
Calculated from available response records
Latest Check on Selected Date
2026-09-01 16:37
All timestamps shown in UTC
Latest Resolved IP on Selected Date
103.221.223.21
Most recently resolved hosting IP on selected date
Successful Responses
48
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 ns1.pavietnam.vn.summerschool.edu.vn
Showing DNS history for 2026-09-01 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 |
|---|---|---|---|---|---|
| 48 | 2026-09-01 16:37 | 639238765754785418 |
|
710 ms | 103.221.223.21 |
| 47 | 2026-09-01 16:20 | 639238755323991033 |
|
209 ms | 103.221.223.21 |
| 46 | 2026-09-01 16:02 | 639238744754881753 |
|
614 ms | 103.221.223.21 |
| 45 | 2026-09-01 15:45 | 639238734176021898 |
|
213 ms | 103.221.223.21 |
| 44 | 2026-09-01 15:27 | 639238723349432115 |
|
10 ms | 103.221.223.21 |
| 43 | 2026-09-01 14:33 | 639238690993873259 |
|
596 ms | 103.221.223.21 |
| 42 | 2026-09-01 14:15 | 639238680658140472 |
|
587 ms | 103.221.223.21 |
| 41 | 2026-09-01 13:58 | 639238670295233158 |
|
195 ms | 103.221.223.21 |
| 40 | 2026-09-01 13:41 | 639238659704397018 |
|
220 ms | 103.221.223.21 |
| 39 | 2026-09-01 13:23 | 639238649308394463 |
|
1094 ms | 103.221.223.21 |
| 38 | 2026-09-01 13:06 | 639238638904588883 |
|
4358 ms | 103.221.223.21 |
| 37 | 2026-09-01 12:48 | 639238628486902752 |
|
605 ms | 103.221.223.21 |
| 36 | 2026-09-01 12:31 | 639238617906743100 |
|
397 ms | 103.221.223.21 |
| 35 | 2026-09-01 12:13 | 639238607506044626 |
|
196 ms | 103.221.223.21 |
| 34 | 2026-09-01 11:56 | 639238597040761406 |
|
200 ms | 103.221.223.21 |
| 33 | 2026-09-01 11:38 | 639238586261546969 |
|
611 ms | 103.221.223.21 |
| 32 | 2026-09-01 11:20 | 639238575587642333 |
|
4674 ms | 103.221.223.21 |
| 31 | 2026-09-01 10:26 | 639238543127398267 |
|
312 ms | 103.221.223.21 |
| 30 | 2026-09-01 10:09 | 639238532668234016 |
|
967 ms | 103.221.223.21 |
| 29 | 2026-09-01 09:51 | 639238522029321761 |
|
1867 ms | 103.221.223.21 |
| 28 | 2026-09-01 09:33 | 639238511519050351 |
|
745 ms | 103.221.223.21 |
| 27 | 2026-09-01 09:16 | 639238500942239673 |
|
194 ms | 103.221.223.21 |
| 26 | 2026-09-01 08:58 | 639238490412377398 |
|
593 ms | 103.221.223.21 |
| 25 | 2026-09-01 08:41 | 639238479833203021 |
|
6 ms | 103.221.223.21 |
| 24 | 2026-09-01 08:23 | 639238469140507479 |
|
596 ms | 103.221.223.21 |
| 23 | 2026-09-01 08:05 | 639238458443560361 |
|
203 ms | 103.221.223.21 |
| 22 | 2026-09-01 07:47 | 639238447694851502 |
|
203 ms | 103.221.223.21 |
| 21 | 2026-09-01 07:29 | 639238436624109087 |
|
195 ms | 103.221.223.21 |
| 20 | 2026-09-01 07:11 | 639238425565611335 |
|
1086 ms | 103.221.223.21 |
| 19 | 2026-09-01 06:15 | 639238392250222581 |
|
1667 ms | 103.221.223.21 |
| 18 | 2026-09-01 05:57 | 639238381322537831 |
|
197 ms | 103.221.223.21 |
| 17 | 2026-09-01 05:39 | 639238370248186084 |
|
636 ms | 103.221.223.21 |
| 16 | 2026-09-01 05:20 | 639238359264687845 |
|
579 ms | 103.221.223.21 |
| 15 | 2026-09-01 05:02 | 639238348534621818 |
|
198 ms | 103.221.223.21 |
| 14 | 2026-09-01 04:44 | 639238337725739433 |
|
1845 ms | 103.221.223.21 |
| 13 | 2026-09-01 04:26 | 639238326844749368 |
|
1598 ms | 103.221.223.21 |
| 12 | 2026-09-01 04:08 | 639238315792024737 |
|
598 ms | 103.221.223.21 |
| 11 | 2026-09-01 03:50 | 639238304931064768 |
|
612 ms | 103.221.223.21 |
| 10 | 2026-09-01 03:32 | 639238294131483803 |
|
864 ms | 103.221.223.21 |
| 9 | 2026-09-01 03:14 | 639238283314985519 |
|
611 ms | 103.221.223.21 |
| 8 | 2026-09-01 02:56 | 639238272374093187 |
|
615 ms | 103.221.223.21 |
| 7 | 2026-09-01 02:01 | 639238240032549922 |
|
4341 ms | 103.221.223.21 |
| 6 | 2026-09-01 01:44 | 639238229204177368 |
|
637 ms | 103.221.223.21 |
| 5 | 2026-09-01 01:26 | 639238218326150282 |
|
654 ms | 103.221.223.21 |
| 4 | 2026-09-01 01:07 | 639238207574700853 |
|
647 ms | 103.221.223.21 |
| 3 | 2026-09-01 00:50 | 639238196660283915 |
|
4335 ms | 103.221.223.21 |
| 2 | 2026-09-01 00:31 | 639238185782358546 |
|
648 ms | 103.221.223.21 |
| 1 | 2026-09-01 00:13 | 639238175054391781 |
|
627 ms | 103.221.223.21 |