History for cpu.ac.kr
Domain: ac.kr • Tracking since 2026-08-04 23:25 UTC
DNS response history for cpu.ac.kr
cpu.ac.kr 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 2026-08-22. For this date, NameServerHistory found 74 DNS check records, 74 successful responses, 0 failed responses, and 402 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 cpu.ac.kr.
Records on Selected Date
74
Historical checks stored for this nameserver on selected date
Average Latency
402 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-22 23:59
All timestamps shown in UTC
Latest Resolved IP on Selected Date
210.102.249.20
Most recently resolved hosting IP on selected date
Successful Responses
74
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 cpu.ac.kr
Showing DNS history for 2026-08-22 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 |
|---|---|---|---|---|---|
| 74 | 2026-08-22 23:59 | 639230391807229016 |
|
578 ms | 210.102.249.20 |
| 73 | 2026-08-22 23:43 | 639230382051619327 |
|
3 ms | 210.102.249.20 |
| 72 | 2026-08-22 23:27 | 639230372323353529 |
|
600 ms | 210.102.249.20 |
| 71 | 2026-08-22 23:11 | 639230362586451064 |
|
2 ms | 210.102.249.20 |
| 70 | 2026-08-22 22:54 | 639230352793666303 |
|
7 ms | 210.102.249.20 |
| 69 | 2026-08-22 22:38 | 639230342775737758 |
|
581 ms | 210.102.249.20 |
| 68 | 2026-08-22 22:21 | 639230332639939561 |
|
586 ms | 210.102.249.20 |
| 67 | 2026-08-22 21:28 | 639230301014190104 |
|
3 ms | 210.102.249.20 |
| 66 | 2026-08-22 21:12 | 639230291048161498 |
|
578 ms | 210.102.249.20 |
| 65 | 2026-08-22 20:55 | 639230280894353664 |
|
3 ms | 210.102.249.20 |
| 64 | 2026-08-22 20:38 | 639230270699419073 |
|
3 ms | 210.102.249.20 |
| 63 | 2026-08-22 20:21 | 639230260248163050 |
|
8 ms | 210.102.249.20 |
| 62 | 2026-08-22 20:04 | 639230250122494282 |
|
587 ms | 210.102.249.20 |
| 61 | 2026-08-22 19:47 | 639230239972935046 |
|
3 ms | 210.102.249.20 |
| 60 | 2026-08-22 19:30 | 639230229963262464 |
|
588 ms | 210.102.249.20 |
| 59 | 2026-08-22 19:13 | 639230220033804658 |
|
3 ms | 210.102.249.20 |
| 58 | 2026-08-22 18:57 | 639230209891107289 |
|
4 ms | 210.102.249.20 |
| 57 | 2026-08-22 18:40 | 639230199630298717 |
|
594 ms | 210.102.249.20 |
| 56 | 2026-08-22 18:22 | 639230189301984150 |
|
584 ms | 210.102.249.20 |
| 55 | 2026-08-22 17:29 | 639230157138468804 |
|
4 ms | 210.102.249.20 |
| 54 | 2026-08-22 17:12 | 639230146987869495 |
|
572 ms | 210.102.249.20 |
| 53 | 2026-08-22 16:55 | 639230136768638516 |
|
572 ms | 210.102.249.20 |
| 52 | 2026-08-22 16:38 | 639230126735907877 |
|
571 ms | 210.102.249.20 |
| 51 | 2026-08-22 16:21 | 639230116551187768 |
|
579 ms | 210.102.249.20 |
| 50 | 2026-08-22 16:04 | 639230106335615913 |
|
594 ms | 210.102.249.20 |
| 49 | 2026-08-22 15:47 | 639230096177758176 |
|
595 ms | 210.102.249.20 |
| 48 | 2026-08-22 15:30 | 639230086185999993 |
|
573 ms | 210.102.249.20 |
| 47 | 2026-08-22 15:14 | 639230076247854903 |
|
580 ms | 210.102.249.20 |
| 46 | 2026-08-22 14:57 | 639230066076077530 |
|
586 ms | 210.102.249.20 |
| 45 | 2026-08-22 14:40 | 639230055738197328 |
|
587 ms | 210.102.249.20 |
| 44 | 2026-08-22 14:23 | 639230045411225521 |
|
3 ms | 210.102.249.20 |
| 43 | 2026-08-22 13:29 | 639230013046000470 |
|
3 ms | 210.102.249.20 |
| 42 | 2026-08-22 13:12 | 639230003090037878 |
|
581 ms | 210.102.249.20 |
| 41 | 2026-08-22 12:55 | 639229993008259475 |
|
3 ms | 210.102.249.20 |
| 40 | 2026-08-22 12:38 | 639229982909449470 |
|
2 ms | 210.102.249.20 |
| 39 | 2026-08-22 12:21 | 639229973035502212 |
|
289 ms | 210.102.249.20 |
| 38 | 2026-08-22 12:05 | 639229963064296145 |
|
2 ms | 210.102.249.20 |
| 37 | 2026-08-22 11:48 | 639229952996162143 |
|
590 ms | 210.102.249.20 |
| 36 | 2026-08-22 11:32 | 639229943051949195 |
|
856 ms | 210.102.249.20 |
| 35 | 2026-08-22 11:15 | 639229932919214934 |
|
4 ms | 210.102.249.20 |
| 34 | 2026-08-22 10:58 | 639229922745889838 |
|
588 ms | 210.102.249.20 |
| 33 | 2026-08-22 10:41 | 639229912587214796 |
|
577 ms | 210.102.249.20 |
| 32 | 2026-08-22 10:24 | 639229902240004454 |
|
583 ms | 210.102.249.20 |
| 31 | 2026-08-22 09:31 | 639229870800501662 |
|
2 ms | 210.102.249.20 |
| 30 | 2026-08-22 09:15 | 639229861058384956 |
|
584 ms | 210.102.249.20 |
| 29 | 2026-08-22 08:59 | 639229851158592604 |
|
33 ms | 210.102.249.20 |
| 28 | 2026-08-22 08:42 | 639229841475569629 |
|
299 ms | 210.102.249.20 |
| 27 | 2026-08-22 08:26 | 639229831887658471 |
|
2 ms | 210.102.249.20 |
| 26 | 2026-08-22 08:10 | 639229822043670346 |
|
292 ms | 210.102.249.20 |
| 25 | 2026-08-22 07:54 | 639229812327913936 |
|
576 ms | 210.102.249.20 |
| 24 | 2026-08-22 07:38 | 639229802629488686 |
|
603 ms | 210.102.249.20 |
| 23 | 2026-08-22 07:21 | 639229793051447309 |
|
3 ms | 210.102.249.20 |
| 22 | 2026-08-22 07:05 | 639229783303531961 |
|
2007 ms | 210.102.249.20 |
| 21 | 2026-08-22 06:49 | 639229773458051942 |
|
366 ms | 210.102.249.20 |
| 20 | 2026-08-22 06:32 | 639229763373848056 |
|
576 ms | 210.102.249.20 |
| 19 | 2026-08-22 05:40 | 639229732140622809 |
|
2 ms | 210.102.249.20 |
| 18 | 2026-08-22 05:24 | 639229722699695967 |
|
3 ms | 210.102.249.20 |
| 17 | 2026-08-22 05:08 | 639229713097498075 |
|
2 ms | 210.102.249.20 |
| 16 | 2026-08-22 04:52 | 639229703543969637 |
|
3 ms | 210.102.249.20 |
| 15 | 2026-08-22 04:36 | 639229693970392873 |
|
1134 ms | 210.102.249.20 |
| 14 | 2026-08-22 04:20 | 639229684277329469 |
|
1262 ms | 210.102.249.20 |
| 13 | 2026-08-22 04:04 | 639229674501596661 |
|
897 ms | 210.102.249.20 |
| 12 | 2026-08-22 03:48 | 639229665064441147 |
|
620 ms | 210.102.249.20 |
| 11 | 2026-08-22 03:32 | 639229655507536872 |
|
2 ms | 210.102.249.20 |
| 10 | 2026-08-22 03:16 | 639229645849603111 |
|
3 ms | 210.102.249.20 |
| 9 | 2026-08-22 03:00 | 639229636090497453 |
|
4 ms | 210.102.249.20 |
| 8 | 2026-08-22 02:43 | 639229625978544281 |
|
4 ms | 210.102.249.20 |
| 7 | 2026-08-22 01:51 | 639229594644662176 |
|
783 ms | 210.102.249.20 |
| 6 | 2026-08-22 01:35 | 639229585214633065 |
|
674 ms | 210.102.249.20 |
| 5 | 2026-08-22 01:19 | 639229575581042175 |
|
285 ms | 210.102.249.20 |
| 4 | 2026-08-22 01:03 | 639229565912268962 |
|
2 ms | 210.102.249.20 |
| 3 | 2026-08-22 00:47 | 639229556237813203 |
|
604 ms | 210.102.249.20 |
| 2 | 2026-08-22 00:31 | 639229546625802518 |
|
2291 ms | 210.102.249.20 |
| 1 | 2026-08-22 00:15 | 639229537172016621 |
|
607 ms | 210.102.249.20 |