History for ns1.cotron.com.tw
Domain: cotron.com.tw • Tracking since 2026-08-04 23:25 UTC
DNS response history for ns1.cotron.com.tw
ns1.cotron.com.tw 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 55 DNS check records, 55 successful responses, 0 failed responses, and 484 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.cotron.com.tw.
Records on Selected Date
55
Historical checks stored for this nameserver on selected date
Average Latency
484 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-24 23:43
All timestamps shown in UTC
Latest Resolved IP on Selected Date
211.21.22.2
Most recently resolved hosting IP on selected date
Successful Responses
55
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.cotron.com.tw
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 |
|---|---|---|---|---|---|
| 55 | 2026-08-24 23:43 | 639232109112567473 |
|
697 ms | 211.21.22.2 |
| 54 | 2026-08-24 22:49 | 639232077430823987 |
|
613 ms | 211.21.22.2 |
| 53 | 2026-08-24 22:33 | 639232067340513033 |
|
598 ms | 211.21.22.2 |
| 52 | 2026-08-24 22:16 | 639232057157944387 |
|
699 ms | 211.21.22.2 |
| 51 | 2026-08-24 21:59 | 639232046895282144 |
|
744 ms | 211.21.22.2 |
| 50 | 2026-08-24 21:05 | 639232014356623395 |
|
727 ms | 211.21.22.2 |
| 49 | 2026-08-24 20:48 | 639232004177831322 |
|
814 ms | 211.21.22.2 |
| 48 | 2026-08-24 20:31 | 639231993997863976 |
|
830 ms | 211.21.22.2 |
| 47 | 2026-08-24 20:14 | 639231983967363696 |
|
2269 ms | 211.21.22.2 |
| 46 | 2026-08-24 19:21 | 639231952257842845 |
|
287 ms | 211.21.22.2 |
| 45 | 2026-08-24 19:04 | 639231942277816756 |
|
5 ms | 211.21.22.2 |
| 44 | 2026-08-24 18:47 | 639231932094180724 |
|
3 ms | 211.21.22.2 |
| 43 | 2026-08-24 18:30 | 639231922041034838 |
|
616 ms | 211.21.22.2 |
| 42 | 2026-08-24 17:38 | 639231890488117536 |
|
3 ms | 211.21.22.2 |
| 41 | 2026-08-24 17:21 | 639231880574255543 |
|
620 ms | 211.21.22.2 |
| 40 | 2026-08-24 17:05 | 639231870418029045 |
|
758 ms | 211.21.22.2 |
| 39 | 2026-08-24 16:48 | 639231860258429562 |
|
596 ms | 211.21.22.2 |
| 38 | 2026-08-24 15:54 | 639231828211839931 |
|
590 ms | 211.21.22.2 |
| 37 | 2026-08-24 15:37 | 639231818080917481 |
|
256 ms | 211.21.22.2 |
| 36 | 2026-08-24 15:20 | 639231807961539652 |
|
727 ms | 211.21.22.2 |
| 35 | 2026-08-24 15:03 | 639231797631669865 |
|
618 ms | 211.21.22.2 |
| 34 | 2026-08-24 14:10 | 639231765923559455 |
|
612 ms | 211.21.22.2 |
| 33 | 2026-08-24 13:54 | 639231755868832964 |
|
3 ms | 211.21.22.2 |
| 32 | 2026-08-24 13:37 | 639231745628278877 |
|
239 ms | 211.21.22.2 |
| 31 | 2026-08-24 13:19 | 639231735407682062 |
|
623 ms | 211.21.22.2 |
| 30 | 2026-08-24 12:27 | 639231703815441688 |
|
601 ms | 211.21.22.2 |
| 29 | 2026-08-24 12:10 | 639231693747052549 |
|
4 ms | 211.21.22.2 |
| 28 | 2026-08-24 11:53 | 639231683712487276 |
|
712 ms | 211.21.22.2 |
| 27 | 2026-08-24 11:36 | 639231673513573868 |
|
3 ms | 211.21.22.2 |
| 26 | 2026-08-24 10:43 | 639231641791249939 |
|
625 ms | 211.21.22.2 |
| 25 | 2026-08-24 10:27 | 639231631866211033 |
|
623 ms | 211.21.22.2 |
| 24 | 2026-08-24 10:10 | 639231621644955316 |
|
606 ms | 211.21.22.2 |
| 23 | 2026-08-24 09:53 | 639231611478799259 |
|
2 ms | 211.21.22.2 |
| 22 | 2026-08-24 09:00 | 639231579923718211 |
|
828 ms | 211.21.22.2 |
| 21 | 2026-08-24 08:44 | 639231569810702936 |
|
629 ms | 211.21.22.2 |
| 20 | 2026-08-24 08:27 | 639231559762411619 |
|
601 ms | 211.21.22.2 |
| 19 | 2026-08-24 08:10 | 639231549663595407 |
|
620 ms | 211.21.22.2 |
| 18 | 2026-08-24 07:17 | 639231518076817246 |
|
5 ms | 211.21.22.2 |
| 17 | 2026-08-24 07:01 | 639231508078650885 |
|
6 ms | 211.21.22.2 |
| 16 | 2026-08-24 06:44 | 639231498210697093 |
|
799 ms | 211.21.22.2 |
| 15 | 2026-08-24 06:27 | 639231488109699360 |
|
633 ms | 211.21.22.2 |
| 14 | 2026-08-24 05:35 | 639231456772510692 |
|
3 ms | 211.21.22.2 |
| 13 | 2026-08-24 05:19 | 639231447084631185 |
|
795 ms | 211.21.22.2 |
| 12 | 2026-08-24 05:02 | 639231437208519473 |
|
3 ms | 211.21.22.2 |
| 11 | 2026-08-24 04:46 | 639231427209627490 |
|
722 ms | 211.21.22.2 |
| 10 | 2026-08-24 03:53 | 639231395791246644 |
|
328 ms | 211.21.22.2 |
| 9 | 2026-08-24 03:37 | 639231386075551458 |
|
3 ms | 211.21.22.2 |
| 8 | 2026-08-24 03:21 | 639231376208713791 |
|
742 ms | 211.21.22.2 |
| 7 | 2026-08-24 03:04 | 639231366170589276 |
|
627 ms | 211.21.22.2 |
| 6 | 2026-08-24 02:12 | 639231334732159368 |
|
611 ms | 211.21.22.2 |
| 5 | 2026-08-24 01:55 | 639231325035670078 |
|
15 ms | 211.21.22.2 |
| 4 | 2026-08-24 01:39 | 639231315132253837 |
|
3 ms | 211.21.22.2 |
| 3 | 2026-08-24 01:22 | 639231305014280808 |
|
598 ms | 211.21.22.2 |
| 2 | 2026-08-24 00:30 | 639231273779380675 |
|
306 ms | 211.21.22.2 |
| 1 | 2026-08-24 00:14 | 639231264180839154 |
|
3 ms | 211.21.22.2 |