History for dns2.siit.edu.cn
Domain: siit.edu.cn • Tracking since 2026-08-04 23:25 UTC
DNS response history for dns2.siit.edu.cn
dns2.siit.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 47 DNS check records, 47 successful responses, 0 failed responses, and 769 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.siit.edu.cn.
Records on Selected Date
47
Historical checks stored for this nameserver on selected date
Average Latency
769 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-24 20:14
All timestamps shown in UTC
Latest Resolved IP on Selected Date
221.224.14.230
Most recently resolved hosting IP on selected date
Successful Responses
47
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.siit.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 |
|---|---|---|---|---|---|
| 47 | 2026-08-24 20:14 | 639231983967363696 |
|
807 ms | 221.224.14.230 |
| 46 | 2026-08-24 19:21 | 639231952257842845 |
|
1135 ms | 221.224.14.230 |
| 45 | 2026-08-24 19:05 | 639231942277816756 |
|
591 ms | 221.224.14.230 |
| 44 | 2026-08-24 18:48 | 639231932094180724 |
|
803 ms | 221.224.14.230 |
| 43 | 2026-08-24 18:31 | 639231922041034838 |
|
821 ms | 221.224.14.230 |
| 42 | 2026-08-24 17:38 | 639231890488117536 |
|
585 ms | 221.224.14.230 |
| 41 | 2026-08-24 17:22 | 639231880574255543 |
|
862 ms | 221.224.14.230 |
| 40 | 2026-08-24 17:05 | 639231870418029045 |
|
835 ms | 221.224.14.230 |
| 39 | 2026-08-24 16:48 | 639231860258429562 |
|
814 ms | 221.224.14.230 |
| 38 | 2026-08-24 15:55 | 639231828211839931 |
|
1261 ms | 221.224.14.230 |
| 37 | 2026-08-24 15:38 | 639231818080917481 |
|
584 ms | 221.224.14.230 |
| 36 | 2026-08-24 15:21 | 639231807961539652 |
|
597 ms | 221.224.14.230 |
| 35 | 2026-08-24 15:04 | 639231797631669865 |
|
809 ms | 221.224.14.230 |
| 34 | 2026-08-24 14:11 | 639231765923559455 |
|
603 ms | 221.224.14.230 |
| 33 | 2026-08-24 13:54 | 639231755868832964 |
|
601 ms | 221.224.14.230 |
| 32 | 2026-08-24 13:37 | 639231745628278877 |
|
813 ms | 221.224.14.230 |
| 31 | 2026-08-24 13:20 | 639231735407682062 |
|
828 ms | 221.224.14.230 |
| 30 | 2026-08-24 12:27 | 639231703815441688 |
|
588 ms | 221.224.14.230 |
| 29 | 2026-08-24 12:11 | 639231693747052549 |
|
588 ms | 221.224.14.230 |
| 28 | 2026-08-24 11:54 | 639231683712487276 |
|
807 ms | 221.224.14.230 |
| 27 | 2026-08-24 11:37 | 639231673513573868 |
|
839 ms | 221.224.14.230 |
| 26 | 2026-08-24 10:44 | 639231641791249939 |
|
878 ms | 221.224.14.230 |
| 25 | 2026-08-24 10:27 | 639231631866211033 |
|
849 ms | 221.224.14.230 |
| 24 | 2026-08-24 10:11 | 639231621644955316 |
|
836 ms | 221.224.14.230 |
| 23 | 2026-08-24 09:54 | 639231611478799259 |
|
870 ms | 221.224.14.230 |
| 22 | 2026-08-24 09:01 | 639231579923718211 |
|
585 ms | 221.224.14.230 |
| 21 | 2026-08-24 08:44 | 639231569810702936 |
|
606 ms | 221.224.14.230 |
| 20 | 2026-08-24 08:27 | 639231559762411619 |
|
743 ms | 221.224.14.230 |
| 19 | 2026-08-24 08:10 | 639231549663595407 |
|
842 ms | 221.224.14.230 |
| 18 | 2026-08-24 07:18 | 639231518076817246 |
|
697 ms | 221.224.14.230 |
| 17 | 2026-08-24 07:01 | 639231508078650885 |
|
589 ms | 221.224.14.230 |
| 16 | 2026-08-24 06:44 | 639231498210697093 |
|
890 ms | 221.224.14.230 |
| 15 | 2026-08-24 06:28 | 639231488109699360 |
|
1046 ms | 221.224.14.230 |
| 14 | 2026-08-24 05:35 | 639231456772510692 |
|
839 ms | 221.224.14.230 |
| 13 | 2026-08-24 05:19 | 639231447084631185 |
|
1072 ms | 221.224.14.230 |
| 12 | 2026-08-24 05:03 | 639231437208519473 |
|
801 ms | 221.224.14.230 |
| 11 | 2026-08-24 04:46 | 639231427209627490 |
|
587 ms | 221.224.14.230 |
| 10 | 2026-08-24 03:54 | 639231395791246644 |
|
587 ms | 221.224.14.230 |
| 9 | 2026-08-24 03:38 | 639231386075551458 |
|
800 ms | 221.224.14.230 |
| 8 | 2026-08-24 03:21 | 639231376208713791 |
|
834 ms | 221.224.14.230 |
| 7 | 2026-08-24 03:05 | 639231366170589276 |
|
587 ms | 221.224.14.230 |
| 6 | 2026-08-24 02:12 | 639231334732159368 |
|
912 ms | 221.224.14.230 |
| 5 | 2026-08-24 01:56 | 639231325035670078 |
|
940 ms | 221.224.14.230 |
| 4 | 2026-08-24 01:39 | 639231315132253837 |
|
588 ms | 221.224.14.230 |
| 3 | 2026-08-24 01:23 | 639231305014280808 |
|
805 ms | 221.224.14.230 |
| 2 | 2026-08-24 00:30 | 639231273779380675 |
|
590 ms | 221.224.14.230 |
| 1 | 2026-08-24 00:14 | 639231264180839154 |
|
586 ms | 221.224.14.230 |