History for ns2.postech.ac.kr
Domain: postech.ac.kr • Tracking since 2026-08-04 23:25 UTC
DNS response history for ns2.postech.ac.kr
ns2.postech.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 2026-08-23. For this date, NameServerHistory found 75 DNS check records, 75 successful responses, 0 failed responses, and 349 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 ns2.postech.ac.kr.
Records on Selected Date
75
Historical checks stored for this nameserver on selected date
Average Latency
349 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-23 23:57
All timestamps shown in UTC
Latest Resolved IP on Selected Date
141.223.7.51
Most recently resolved hosting IP on selected date
Successful Responses
75
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 ns2.postech.ac.kr
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 |
|---|---|---|---|---|---|
| 75 | 2026-08-23 23:57 | 639231254406598736 |
|
3 ms | 141.223.7.51 |
| 74 | 2026-08-23 23:41 | 639231244697865594 |
|
479 ms | 141.223.7.51 |
| 73 | 2026-08-23 23:24 | 639231234893504693 |
|
3 ms | 141.223.7.51 |
| 72 | 2026-08-23 23:08 | 639231225024549139 |
|
3 ms | 141.223.7.51 |
| 71 | 2026-08-23 22:51 | 639231214931957622 |
|
5 ms | 141.223.7.51 |
| 70 | 2026-08-23 22:34 | 639231204962010549 |
|
3 ms | 141.223.7.51 |
| 69 | 2026-08-23 22:18 | 639231195170138463 |
|
3 ms | 141.223.7.51 |
| 68 | 2026-08-23 22:02 | 639231185235020577 |
|
4 ms | 141.223.7.51 |
| 67 | 2026-08-23 21:45 | 639231175558690075 |
|
833 ms | 141.223.7.51 |
| 66 | 2026-08-23 21:29 | 639231165610444012 |
|
4 ms | 141.223.7.51 |
| 65 | 2026-08-23 20:36 | 639231133806425363 |
|
2028 ms | 141.223.7.51 |
| 64 | 2026-08-23 20:20 | 639231124203758023 |
|
263 ms | 141.223.7.51 |
| 63 | 2026-08-23 20:03 | 639231114428262706 |
|
3 ms | 141.223.7.51 |
| 62 | 2026-08-23 19:47 | 639231104662480065 |
|
511 ms | 141.223.7.51 |
| 61 | 2026-08-23 19:31 | 639231094840372018 |
|
15 ms | 141.223.7.51 |
| 60 | 2026-08-23 19:15 | 639231085024583224 |
|
286 ms | 141.223.7.51 |
| 59 | 2026-08-23 18:58 | 639231075257417427 |
|
3 ms | 141.223.7.51 |
| 58 | 2026-08-23 18:42 | 639231065516009503 |
|
3 ms | 141.223.7.51 |
| 57 | 2026-08-23 18:26 | 639231055805348837 |
|
7 ms | 141.223.7.51 |
| 56 | 2026-08-23 18:09 | 639231045980373765 |
|
829 ms | 141.223.7.51 |
| 55 | 2026-08-23 17:53 | 639231035984577527 |
|
2 ms | 141.223.7.51 |
| 54 | 2026-08-23 17:36 | 639231025928115303 |
|
855 ms | 141.223.7.51 |
| 53 | 2026-08-23 16:43 | 639230994250157583 |
|
3 ms | 141.223.7.51 |
| 52 | 2026-08-23 16:27 | 639230984476411369 |
|
9 ms | 141.223.7.51 |
| 51 | 2026-08-23 16:11 | 639230974838373450 |
|
273 ms | 141.223.7.51 |
| 50 | 2026-08-23 15:55 | 639230965244277645 |
|
4 ms | 141.223.7.51 |
| 49 | 2026-08-23 15:39 | 639230955522101820 |
|
209 ms | 141.223.7.51 |
| 48 | 2026-08-23 15:22 | 639230945754521603 |
|
4 ms | 141.223.7.51 |
| 47 | 2026-08-23 15:06 | 639230935852040504 |
|
503 ms | 141.223.7.51 |
| 46 | 2026-08-23 14:50 | 639230926222061048 |
|
513 ms | 141.223.7.51 |
| 45 | 2026-08-23 14:33 | 639230916449726907 |
|
278 ms | 141.223.7.51 |
| 44 | 2026-08-23 14:17 | 639230906595053086 |
|
509 ms | 141.223.7.51 |
| 43 | 2026-08-23 14:01 | 639230896680429441 |
|
250 ms | 141.223.7.51 |
| 42 | 2026-08-23 13:44 | 639230886630210965 |
|
251 ms | 141.223.7.51 |
| 41 | 2026-08-23 12:52 | 639230855430405719 |
|
255 ms | 141.223.7.51 |
| 40 | 2026-08-23 12:36 | 639230845707499136 |
|
4 ms | 141.223.7.51 |
| 39 | 2026-08-23 12:19 | 639230836186805419 |
|
251 ms | 141.223.7.51 |
| 38 | 2026-08-23 12:04 | 639230826493828316 |
|
26 ms | 141.223.7.51 |
| 37 | 2026-08-23 11:47 | 639230816817882996 |
|
10 ms | 141.223.7.51 |
| 36 | 2026-08-23 11:31 | 639230806933854189 |
|
3 ms | 141.223.7.51 |
| 35 | 2026-08-23 11:15 | 639230797120243854 |
|
3 ms | 141.223.7.51 |
| 34 | 2026-08-23 10:58 | 639230787310272840 |
|
6 ms | 141.223.7.51 |
| 33 | 2026-08-23 10:42 | 639230777600173142 |
|
4003 ms | 141.223.7.51 |
| 32 | 2026-08-23 10:26 | 639230767665024593 |
|
252 ms | 141.223.7.51 |
| 31 | 2026-08-23 10:09 | 639230757720962293 |
|
1812 ms | 141.223.7.51 |
| 30 | 2026-08-23 09:52 | 639230747722189784 |
|
3 ms | 141.223.7.51 |
| 29 | 2026-08-23 09:00 | 639230716313923480 |
|
9 ms | 141.223.7.51 |
| 28 | 2026-08-23 08:44 | 639230706813835990 |
|
3 ms | 141.223.7.51 |
| 27 | 2026-08-23 08:28 | 639230696871062203 |
|
4 ms | 141.223.7.51 |
| 26 | 2026-08-23 08:11 | 639230687142781616 |
|
3 ms | 141.223.7.51 |
| 25 | 2026-08-23 07:55 | 639230677432142227 |
|
12 ms | 141.223.7.51 |
| 24 | 2026-08-23 07:39 | 639230667686258061 |
|
834 ms | 141.223.7.51 |
| 23 | 2026-08-23 07:23 | 639230658039243685 |
|
838 ms | 141.223.7.51 |
| 22 | 2026-08-23 07:07 | 639230648468473803 |
|
251 ms | 141.223.7.51 |
| 21 | 2026-08-23 06:51 | 639230638829658294 |
|
260 ms | 141.223.7.51 |
| 20 | 2026-08-23 06:35 | 639230629247017617 |
|
3 ms | 141.223.7.51 |
| 19 | 2026-08-23 06:18 | 639230619625318239 |
|
2247 ms | 141.223.7.51 |
| 18 | 2026-08-23 06:02 | 639230609697630264 |
|
10 ms | 141.223.7.51 |
| 17 | 2026-08-23 05:10 | 639230578570131864 |
|
403 ms | 141.223.7.51 |
| 16 | 2026-08-23 04:54 | 639230568958963168 |
|
3 ms | 141.223.7.51 |
| 15 | 2026-08-23 04:38 | 639230559287611211 |
|
2 ms | 141.223.7.51 |
| 14 | 2026-08-23 04:22 | 639230549524312030 |
|
14 ms | 141.223.7.51 |
| 13 | 2026-08-23 04:06 | 639230539739801669 |
|
254 ms | 141.223.7.51 |
| 12 | 2026-08-23 03:49 | 639230530084069375 |
|
250 ms | 141.223.7.51 |
| 11 | 2026-08-23 03:33 | 639230520362691441 |
|
33 ms | 141.223.7.51 |
| 10 | 2026-08-23 03:17 | 639230510677194518 |
|
33 ms | 141.223.7.51 |
| 9 | 2026-08-23 03:01 | 639230501156002646 |
|
4 ms | 141.223.7.51 |
| 8 | 2026-08-23 02:45 | 639230491502198541 |
|
2282 ms | 141.223.7.51 |
| 7 | 2026-08-23 02:29 | 639230481860318494 |
|
32 ms | 141.223.7.51 |
| 6 | 2026-08-23 02:13 | 639230471893008575 |
|
14 ms | 141.223.7.51 |
| 5 | 2026-08-23 01:19 | 639230440030877421 |
|
2 ms | 141.223.7.51 |
| 4 | 2026-08-23 01:03 | 639230430479725508 |
|
2 ms | 141.223.7.51 |
| 3 | 2026-08-23 00:47 | 639230420875160219 |
|
251 ms | 141.223.7.51 |
| 2 | 2026-08-23 00:31 | 639230411240692575 |
|
255 ms | 141.223.7.51 |
| 1 | 2026-08-23 00:15 | 639230401550806607 |
|
2272 ms | 141.223.7.51 |