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 2026-08-23. For this date, NameServerHistory found 76 DNS check records, 76 successful responses, 0 failed responses, and 512 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
76
Historical checks stored for this nameserver on selected date
Average Latency
512 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-23 23:58
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
76
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 2026-08-23 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 |
|---|---|---|---|---|---|
| 76 | 2026-08-23 23:58 | 639231254406598736 |
|
588 ms | 211.21.22.2 |
| 75 | 2026-08-23 23:41 | 639231244697865594 |
|
2 ms | 211.21.22.2 |
| 74 | 2026-08-23 23:25 | 639231234893504693 |
|
3 ms | 211.21.22.2 |
| 73 | 2026-08-23 23:08 | 639231225024549139 |
|
624 ms | 211.21.22.2 |
| 72 | 2026-08-23 22:52 | 639231214931957622 |
|
741 ms | 211.21.22.2 |
| 71 | 2026-08-23 22:35 | 639231204962010549 |
|
605 ms | 211.21.22.2 |
| 70 | 2026-08-23 22:19 | 639231195170138463 |
|
232 ms | 211.21.22.2 |
| 69 | 2026-08-23 22:02 | 639231185235020577 |
|
3 ms | 211.21.22.2 |
| 68 | 2026-08-23 21:46 | 639231175558690075 |
|
2 ms | 211.21.22.2 |
| 67 | 2026-08-23 21:29 | 639231165610444012 |
|
633 ms | 211.21.22.2 |
| 66 | 2026-08-23 20:37 | 639231133806425363 |
|
8 ms | 211.21.22.2 |
| 65 | 2026-08-23 20:20 | 639231124203758023 |
|
2314 ms | 211.21.22.2 |
| 64 | 2026-08-23 20:04 | 639231114428262706 |
|
734 ms | 211.21.22.2 |
| 63 | 2026-08-23 19:48 | 639231104662480065 |
|
623 ms | 211.21.22.2 |
| 62 | 2026-08-23 19:32 | 639231094840372018 |
|
618 ms | 211.21.22.2 |
| 61 | 2026-08-23 19:15 | 639231085024583224 |
|
913 ms | 211.21.22.2 |
| 60 | 2026-08-23 18:59 | 639231075257417427 |
|
4 ms | 211.21.22.2 |
| 59 | 2026-08-23 18:43 | 639231065516009503 |
|
4 ms | 211.21.22.2 |
| 58 | 2026-08-23 18:26 | 639231055805348837 |
|
600 ms | 211.21.22.2 |
| 57 | 2026-08-23 18:10 | 639231045980373765 |
|
601 ms | 211.21.22.2 |
| 56 | 2026-08-23 17:54 | 639231035984577527 |
|
650 ms | 211.21.22.2 |
| 55 | 2026-08-23 17:37 | 639231025928115303 |
|
236 ms | 211.21.22.2 |
| 54 | 2026-08-23 16:44 | 639230994250157583 |
|
248 ms | 211.21.22.2 |
| 53 | 2026-08-23 16:28 | 639230984476411369 |
|
749 ms | 211.21.22.2 |
| 52 | 2026-08-23 16:11 | 639230974838373450 |
|
756 ms | 211.21.22.2 |
| 51 | 2026-08-23 15:55 | 639230965244277645 |
|
3 ms | 211.21.22.2 |
| 50 | 2026-08-23 15:39 | 639230955522101820 |
|
600 ms | 211.21.22.2 |
| 49 | 2026-08-23 15:23 | 639230945754521603 |
|
2008 ms | 211.21.22.2 |
| 48 | 2026-08-23 15:07 | 639230935852040504 |
|
615 ms | 211.21.22.2 |
| 47 | 2026-08-23 14:50 | 639230926222061048 |
|
252 ms | 211.21.22.2 |
| 46 | 2026-08-23 14:34 | 639230916449726907 |
|
619 ms | 211.21.22.2 |
| 45 | 2026-08-23 14:18 | 639230906595053086 |
|
582 ms | 211.21.22.2 |
| 44 | 2026-08-23 14:01 | 639230896680429441 |
|
611 ms | 211.21.22.2 |
| 43 | 2026-08-23 13:45 | 639230886630210965 |
|
588 ms | 211.21.22.2 |
| 42 | 2026-08-23 12:53 | 639230855430405719 |
|
733 ms | 211.21.22.2 |
| 41 | 2026-08-23 12:36 | 639230845707499136 |
|
305 ms | 211.21.22.2 |
| 40 | 2026-08-23 12:20 | 639230836186805419 |
|
248 ms | 211.21.22.2 |
| 39 | 2026-08-23 12:04 | 639230826493828316 |
|
4 ms | 211.21.22.2 |
| 38 | 2026-08-23 11:48 | 639230816817882996 |
|
629 ms | 211.21.22.2 |
| 37 | 2026-08-23 11:32 | 639230806933854189 |
|
732 ms | 211.21.22.2 |
| 36 | 2026-08-23 11:15 | 639230797120243854 |
|
614 ms | 211.21.22.2 |
| 35 | 2026-08-23 10:59 | 639230787310272840 |
|
3 ms | 211.21.22.2 |
| 34 | 2026-08-23 10:43 | 639230777600173142 |
|
3 ms | 211.21.22.2 |
| 33 | 2026-08-23 10:26 | 639230767665024593 |
|
250 ms | 211.21.22.2 |
| 32 | 2026-08-23 10:10 | 639230757720962293 |
|
603 ms | 211.21.22.2 |
| 31 | 2026-08-23 09:53 | 639230747722189784 |
|
713 ms | 211.21.22.2 |
| 30 | 2026-08-23 09:01 | 639230716313923480 |
|
774 ms | 211.21.22.2 |
| 29 | 2026-08-23 08:44 | 639230706813835990 |
|
598 ms | 211.21.22.2 |
| 28 | 2026-08-23 08:29 | 639230696871062203 |
|
2 ms | 211.21.22.2 |
| 27 | 2026-08-23 08:12 | 639230687142781616 |
|
294 ms | 211.21.22.2 |
| 26 | 2026-08-23 07:56 | 639230677432142227 |
|
612 ms | 211.21.22.2 |
| 25 | 2026-08-23 07:40 | 639230667686258061 |
|
589 ms | 211.21.22.2 |
| 24 | 2026-08-23 07:23 | 639230658039243685 |
|
602 ms | 211.21.22.2 |
| 23 | 2026-08-23 07:07 | 639230648468473803 |
|
598 ms | 211.21.22.2 |
| 22 | 2026-08-23 06:51 | 639230638829658294 |
|
12 ms | 211.21.22.2 |
| 21 | 2026-08-23 06:35 | 639230629247017617 |
|
232 ms | 211.21.22.2 |
| 20 | 2026-08-23 06:19 | 639230619625318239 |
|
2 ms | 211.21.22.2 |
| 19 | 2026-08-23 06:03 | 639230609697630264 |
|
626 ms | 211.21.22.2 |
| 18 | 2026-08-23 05:11 | 639230578570131864 |
|
499 ms | 211.21.22.2 |
| 17 | 2026-08-23 04:55 | 639230568958963168 |
|
841 ms | 211.21.22.2 |
| 16 | 2026-08-23 04:39 | 639230559287611211 |
|
620 ms | 211.21.22.2 |
| 15 | 2026-08-23 04:23 | 639230549524312030 |
|
16 ms | 211.21.22.2 |
| 14 | 2026-08-23 04:06 | 639230539739801669 |
|
3 ms | 211.21.22.2 |
| 13 | 2026-08-23 03:50 | 639230530084069375 |
|
313 ms | 211.21.22.2 |
| 12 | 2026-08-23 03:34 | 639230520362691441 |
|
603 ms | 211.21.22.2 |
| 11 | 2026-08-23 03:18 | 639230510677194518 |
|
600 ms | 211.21.22.2 |
| 10 | 2026-08-23 03:02 | 639230501156002646 |
|
623 ms | 211.21.22.2 |
| 9 | 2026-08-23 02:46 | 639230491502198541 |
|
3 ms | 211.21.22.2 |
| 8 | 2026-08-23 02:30 | 639230481860318494 |
|
608 ms | 211.21.22.2 |
| 7 | 2026-08-23 02:13 | 639230471893008575 |
|
594 ms | 211.21.22.2 |
| 6 | 2026-08-23 01:20 | 639230440030877421 |
|
596 ms | 211.21.22.2 |
| 5 | 2026-08-23 01:04 | 639230430479725508 |
|
592 ms | 211.21.22.2 |
| 4 | 2026-08-23 00:48 | 639230420875160219 |
|
2803 ms | 211.21.22.2 |
| 3 | 2026-08-23 00:32 | 639230411240692575 |
|
825 ms | 211.21.22.2 |
| 2 | 2026-08-23 00:16 | 639230401550806607 |
|
3 ms | 211.21.22.2 |
| 1 | 2026-08-23 00:00 | 639230391807229016 |
|
629 ms | 211.21.22.2 |