History for dns2.siso.edu.cn
Domain: siso.edu.cn • Tracking since 2026-08-04 23:25 UTC
DNS response history for dns2.siso.edu.cn
dns2.siso.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 2026-08-24. For this date, NameServerHistory found 50 DNS check records, 50 successful responses, 0 failed responses, and 906 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.siso.edu.cn.
Records on Selected Date
50
Historical checks stored for this nameserver on selected date
Average Latency
906 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-24 21:06
All timestamps shown in UTC
Latest Resolved IP on Selected Date
42.247.18.2
Most recently resolved hosting IP on selected date
Successful Responses
50
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.siso.edu.cn
Showing DNS history for 2026-08-24 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 |
|---|---|---|---|---|---|
| 50 | 2026-08-24 21:06 | 639232014356623395 |
|
241 ms | 42.247.18.2 |
| 49 | 2026-08-24 20:49 | 639232004177831322 |
|
1792 ms | 42.247.18.2 |
| 48 | 2026-08-24 20:31 | 639231993997863976 |
|
2364 ms | 42.247.18.2 |
| 47 | 2026-08-24 20:15 | 639231983967363696 |
|
2317 ms | 42.247.18.2 |
| 46 | 2026-08-24 19:22 | 639231952257842845 |
|
4 ms | 42.247.18.2 |
| 45 | 2026-08-24 19:05 | 639231942277816756 |
|
1787 ms | 42.247.18.2 |
| 44 | 2026-08-24 18:48 | 639231932094180724 |
|
739 ms | 42.247.18.2 |
| 43 | 2026-08-24 18:31 | 639231922041034838 |
|
1312 ms | 42.247.18.2 |
| 42 | 2026-08-24 17:38 | 639231890488117536 |
|
2 ms | 42.247.18.2 |
| 41 | 2026-08-24 17:22 | 639231880574255543 |
|
239 ms | 42.247.18.2 |
| 40 | 2026-08-24 17:05 | 639231870418029045 |
|
3 ms | 42.247.18.2 |
| 39 | 2026-08-24 16:49 | 639231860258429562 |
|
1321 ms | 42.247.18.2 |
| 38 | 2026-08-24 15:55 | 639231828211839931 |
|
3 ms | 42.247.18.2 |
| 37 | 2026-08-24 15:38 | 639231818080917481 |
|
1282 ms | 42.247.18.2 |
| 36 | 2026-08-24 15:21 | 639231807961539652 |
|
2 ms | 42.247.18.2 |
| 35 | 2026-08-24 15:04 | 639231797631669865 |
|
1324 ms | 42.247.18.2 |
| 34 | 2026-08-24 14:11 | 639231765923559455 |
|
2 ms | 42.247.18.2 |
| 33 | 2026-08-24 13:54 | 639231755868832964 |
|
3 ms | 42.247.18.2 |
| 32 | 2026-08-24 13:38 | 639231745628278877 |
|
1426 ms | 42.247.18.2 |
| 31 | 2026-08-24 13:20 | 639231735407682062 |
|
1204 ms | 42.247.18.2 |
| 30 | 2026-08-24 12:27 | 639231703815441688 |
|
244 ms | 42.247.18.2 |
| 29 | 2026-08-24 12:11 | 639231693747052549 |
|
1336 ms | 42.247.18.2 |
| 28 | 2026-08-24 11:54 | 639231683712487276 |
|
4 ms | 42.247.18.2 |
| 27 | 2026-08-24 11:37 | 639231673513573868 |
|
1709 ms | 42.247.18.2 |
| 26 | 2026-08-24 10:44 | 639231641791249939 |
|
1666 ms | 42.247.18.2 |
| 25 | 2026-08-24 10:28 | 639231631866211033 |
|
240 ms | 42.247.18.2 |
| 24 | 2026-08-24 10:11 | 639231621644955316 |
|
3771 ms | 42.247.18.2 |
| 23 | 2026-08-24 09:54 | 639231611478799259 |
|
504 ms | 42.247.18.2 |
| 22 | 2026-08-24 09:01 | 639231579923718211 |
|
5 ms | 42.247.18.2 |
| 21 | 2026-08-24 08:45 | 639231569810702936 |
|
4 ms | 42.247.18.2 |
| 20 | 2026-08-24 08:28 | 639231559762411619 |
|
1287 ms | 42.247.18.2 |
| 19 | 2026-08-24 08:11 | 639231549663595407 |
|
2315 ms | 42.247.18.2 |
| 18 | 2026-08-24 07:18 | 639231518076817246 |
|
3 ms | 42.247.18.2 |
| 17 | 2026-08-24 07:01 | 639231508078650885 |
|
2 ms | 42.247.18.2 |
| 16 | 2026-08-24 06:45 | 639231498210697093 |
|
1075 ms | 42.247.18.2 |
| 15 | 2026-08-24 06:28 | 639231488109699360 |
|
1315 ms | 42.247.18.2 |
| 14 | 2026-08-24 05:36 | 639231456772510692 |
|
2 ms | 42.247.18.2 |
| 13 | 2026-08-24 05:19 | 639231447084631185 |
|
3 ms | 42.247.18.2 |
| 12 | 2026-08-24 05:03 | 639231437208519473 |
|
1416 ms | 42.247.18.2 |
| 11 | 2026-08-24 04:47 | 639231427209627490 |
|
820 ms | 42.247.18.2 |
| 10 | 2026-08-24 03:54 | 639231395791246644 |
|
2579 ms | 42.247.18.2 |
| 9 | 2026-08-24 03:38 | 639231386075551458 |
|
1452 ms | 42.247.18.2 |
| 8 | 2026-08-24 03:21 | 639231376208713791 |
|
3 ms | 42.247.18.2 |
| 7 | 2026-08-24 03:05 | 639231366170589276 |
|
1663 ms | 42.247.18.2 |
| 6 | 2026-08-24 02:12 | 639231334732159368 |
|
3 ms | 42.247.18.2 |
| 5 | 2026-08-24 01:56 | 639231325035670078 |
|
2 ms | 42.247.18.2 |
| 4 | 2026-08-24 01:40 | 639231315132253837 |
|
1761 ms | 42.247.18.2 |
| 3 | 2026-08-24 01:23 | 639231305014280808 |
|
1056 ms | 42.247.18.2 |
| 2 | 2026-08-24 00:30 | 639231273779380675 |
|
3 ms | 42.247.18.2 |
| 1 | 2026-08-24 00:15 | 639231264180839154 |
|
1697 ms | 42.247.18.2 |