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 2026-08-14. For this date, NameServerHistory found 78 DNS check records, 78 successful responses, 0 failed responses, and 591 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
78
Historical checks stored for this nameserver on selected date
Average Latency
591 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-14 23:54
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
78
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 2026-08-14 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 |
|---|---|---|---|---|---|
| 78 | 2026-08-14 23:54 | 639223477272309567 |
|
610 ms | 211.21.22.2 |
| 77 | 2026-08-14 23:39 | 639223467876800215 |
|
722 ms | 211.21.22.2 |
| 76 | 2026-08-14 23:23 | 639223458466733344 |
|
3 ms | 211.21.22.2 |
| 75 | 2026-08-14 23:08 | 639223449196197019 |
|
3 ms | 211.21.22.2 |
| 74 | 2026-08-14 22:52 | 639223439729973302 |
|
584 ms | 211.21.22.2 |
| 73 | 2026-08-14 22:36 | 639223430298973377 |
|
586 ms | 211.21.22.2 |
| 72 | 2026-08-14 22:21 | 639223420812183061 |
|
732 ms | 211.21.22.2 |
| 71 | 2026-08-14 22:05 | 639223411307572360 |
|
622 ms | 211.21.22.2 |
| 70 | 2026-08-14 21:49 | 639223401895099116 |
|
723 ms | 211.21.22.2 |
| 69 | 2026-08-14 20:56 | 639223370328282191 |
|
3 ms | 211.21.22.2 |
| 68 | 2026-08-14 20:41 | 639223361156898888 |
|
759 ms | 211.21.22.2 |
| 67 | 2026-08-14 20:25 | 639223351683501109 |
|
828 ms | 211.21.22.2 |
| 66 | 2026-08-14 20:10 | 639223342485908428 |
|
618 ms | 211.21.22.2 |
| 65 | 2026-08-14 19:54 | 639223333113923772 |
|
307 ms | 211.21.22.2 |
| 64 | 2026-08-14 19:39 | 639223323766820131 |
|
2 ms | 211.21.22.2 |
| 63 | 2026-08-14 19:23 | 639223314500774279 |
|
299 ms | 211.21.22.2 |
| 62 | 2026-08-14 19:08 | 639223305225877159 |
|
307 ms | 211.21.22.2 |
| 61 | 2026-08-14 18:52 | 639223295834845965 |
|
734 ms | 211.21.22.2 |
| 60 | 2026-08-14 18:36 | 639223286312006616 |
|
667 ms | 211.21.22.2 |
| 59 | 2026-08-14 18:21 | 639223276659010988 |
|
288 ms | 211.21.22.2 |
| 58 | 2026-08-14 18:04 | 639223267203892251 |
|
287 ms | 211.21.22.2 |
| 57 | 2026-08-14 17:12 | 639223235652723921 |
|
759 ms | 211.21.22.2 |
| 56 | 2026-08-14 16:56 | 639223226156684619 |
|
1238 ms | 211.21.22.2 |
| 55 | 2026-08-14 16:40 | 639223216737677817 |
|
576 ms | 211.21.22.2 |
| 54 | 2026-08-14 16:25 | 639223207303987036 |
|
723 ms | 211.21.22.2 |
| 53 | 2026-08-14 16:09 | 639223197972369650 |
|
846 ms | 211.21.22.2 |
| 52 | 2026-08-14 15:53 | 639223188476518684 |
|
646 ms | 211.21.22.2 |
| 51 | 2026-08-14 15:37 | 639223179029668254 |
|
874 ms | 211.21.22.2 |
| 50 | 2026-08-14 15:22 | 639223169668684371 |
|
1114 ms | 211.21.22.2 |
| 49 | 2026-08-14 15:06 | 639223160270013058 |
|
672 ms | 211.21.22.2 |
| 48 | 2026-08-14 14:50 | 639223150848386507 |
|
665 ms | 211.21.22.2 |
| 47 | 2026-08-14 14:35 | 639223141514160124 |
|
615 ms | 211.21.22.2 |
| 46 | 2026-08-14 14:19 | 639223131908897269 |
|
761 ms | 211.21.22.2 |
| 45 | 2026-08-14 13:26 | 639223100084750932 |
|
710 ms | 211.21.22.2 |
| 44 | 2026-08-14 13:10 | 639223090744921973 |
|
616 ms | 211.21.22.2 |
| 43 | 2026-08-14 12:55 | 639223081343134137 |
|
746 ms | 211.21.22.2 |
| 42 | 2026-08-14 12:39 | 639223071917003603 |
|
609 ms | 211.21.22.2 |
| 41 | 2026-08-14 12:23 | 639223062407395043 |
|
588 ms | 211.21.22.2 |
| 40 | 2026-08-14 12:07 | 639223052970600447 |
|
622 ms | 211.21.22.2 |
| 39 | 2026-08-14 11:52 | 639223043584242187 |
|
602 ms | 211.21.22.2 |
| 38 | 2026-08-14 11:36 | 639223034248611856 |
|
623 ms | 211.21.22.2 |
| 37 | 2026-08-14 11:20 | 639223024816175094 |
|
744 ms | 211.21.22.2 |
| 36 | 2026-08-14 11:05 | 639223015278211871 |
|
598 ms | 211.21.22.2 |
| 35 | 2026-08-14 10:49 | 639223005387568522 |
|
644 ms | 211.21.22.2 |
| 34 | 2026-08-14 10:32 | 639222995944735037 |
|
618 ms | 211.21.22.2 |
| 33 | 2026-08-14 09:40 | 639222964532402826 |
|
601 ms | 211.21.22.2 |
| 32 | 2026-08-14 09:24 | 639222955031971579 |
|
304 ms | 211.21.22.2 |
| 31 | 2026-08-14 09:08 | 639222945616352079 |
|
3 ms | 211.21.22.2 |
| 30 | 2026-08-14 08:53 | 639222936296615644 |
|
610 ms | 211.21.22.2 |
| 29 | 2026-08-14 08:37 | 639222926913151746 |
|
606 ms | 211.21.22.2 |
| 28 | 2026-08-14 08:22 | 639222917608375722 |
|
621 ms | 211.21.22.2 |
| 27 | 2026-08-14 08:06 | 639222908294448500 |
|
1034 ms | 211.21.22.2 |
| 26 | 2026-08-14 07:51 | 639222898918389753 |
|
607 ms | 211.21.22.2 |
| 25 | 2026-08-14 07:35 | 639222889625876211 |
|
300 ms | 211.21.22.2 |
| 24 | 2026-08-14 07:19 | 639222880353707528 |
|
305 ms | 211.21.22.2 |
| 23 | 2026-08-14 07:04 | 639222871065611259 |
|
289 ms | 211.21.22.2 |
| 22 | 2026-08-14 06:48 | 639222861517093112 |
|
287 ms | 211.21.22.2 |
| 21 | 2026-08-14 05:56 | 639222830182717637 |
|
610 ms | 211.21.22.2 |
| 20 | 2026-08-14 05:40 | 639222820714737422 |
|
603 ms | 211.21.22.2 |
| 19 | 2026-08-14 05:25 | 639222811404284741 |
|
736 ms | 211.21.22.2 |
| 18 | 2026-08-14 05:09 | 639222801994952240 |
|
621 ms | 211.21.22.2 |
| 17 | 2026-08-14 04:53 | 639222792581940911 |
|
617 ms | 211.21.22.2 |
| 16 | 2026-08-14 04:38 | 639222783296631220 |
|
650 ms | 211.21.22.2 |
| 15 | 2026-08-14 04:22 | 639222773909528001 |
|
987 ms | 211.21.22.2 |
| 14 | 2026-08-14 04:07 | 639222764574707991 |
|
633 ms | 211.21.22.2 |
| 13 | 2026-08-14 03:51 | 639222754982758281 |
|
610 ms | 211.21.22.2 |
| 12 | 2026-08-14 03:35 | 639222745650144239 |
|
741 ms | 211.21.22.2 |
| 11 | 2026-08-14 03:19 | 639222736060223018 |
|
836 ms | 211.21.22.2 |
| 10 | 2026-08-14 03:03 | 639222726529271510 |
|
798 ms | 211.21.22.2 |
| 9 | 2026-08-14 02:11 | 639222694791257846 |
|
610 ms | 211.21.22.2 |
| 8 | 2026-08-14 01:55 | 639222685350317820 |
|
606 ms | 211.21.22.2 |
| 7 | 2026-08-14 01:39 | 639222675895178560 |
|
603 ms | 211.21.22.2 |
| 6 | 2026-08-14 01:23 | 639222666344182743 |
|
598 ms | 211.21.22.2 |
| 5 | 2026-08-14 01:07 | 639222656762316965 |
|
740 ms | 211.21.22.2 |
| 4 | 2026-08-14 00:51 | 639222647109404695 |
|
613 ms | 211.21.22.2 |
| 3 | 2026-08-14 00:35 | 639222637659944389 |
|
779 ms | 211.21.22.2 |
| 2 | 2026-08-14 00:19 | 639222628151417313 |
|
3 ms | 211.21.22.2 |
| 1 | 2026-08-14 00:03 | 639222618462620588 |
|
611 ms | 211.21.22.2 |