History for dns1.usc.edu.tw
Domain: usc.edu.tw • Tracking since 2026-08-04 23:25 UTC
DNS response history for dns1.usc.edu.tw
dns1.usc.edu.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 2026-08-25. For this date, NameServerHistory found 56 DNS check records, 56 successful responses, 0 failed responses, and 1127 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 dns1.usc.edu.tw.
Records on Selected Date
56
Historical checks stored for this nameserver on selected date
Average Latency
1127 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-25 19:25
All timestamps shown in UTC
Latest Resolved IP on Selected Date
118.163.13.180
Most recently resolved hosting IP on selected date
Successful Responses
56
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 dns1.usc.edu.tw
Showing DNS history for 2026-08-25 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 |
|---|---|---|---|---|---|
| 56 | 2026-08-25 19:25 | 639232817798330473 |
|
720 ms | 118.163.13.180 |
| 55 | 2026-08-25 18:31 | 639232785462407552 |
|
2915 ms | 118.163.13.180 |
| 54 | 2026-08-25 18:14 | 639232775177487032 |
|
806 ms | 118.163.13.180 |
| 53 | 2026-08-25 17:57 | 639232764991087115 |
|
780 ms | 118.163.13.180 |
| 52 | 2026-08-25 17:40 | 639232754842971478 |
|
830 ms | 118.163.13.180 |
| 51 | 2026-08-25 17:23 | 639232744455159107 |
|
293 ms | 118.163.13.180 |
| 50 | 2026-08-25 17:06 | 639232734145178231 |
|
284 ms | 118.163.13.180 |
| 49 | 2026-08-25 16:48 | 639232723827874402 |
|
881 ms | 118.163.13.180 |
| 48 | 2026-08-25 16:31 | 639232713533011892 |
|
304 ms | 118.163.13.180 |
| 47 | 2026-08-25 16:14 | 639232703065318207 |
|
297 ms | 118.163.13.180 |
| 46 | 2026-08-25 15:57 | 639232692629559470 |
|
826 ms | 118.163.13.180 |
| 45 | 2026-08-25 15:39 | 639232682238836475 |
|
788 ms | 118.163.13.180 |
| 44 | 2026-08-25 15:22 | 639232671787004306 |
|
644 ms | 118.163.13.180 |
| 43 | 2026-08-25 14:27 | 639232638994329666 |
|
288 ms | 118.163.13.180 |
| 42 | 2026-08-25 14:10 | 639232628614783237 |
|
886 ms | 118.163.13.180 |
| 41 | 2026-08-25 13:53 | 639232618360728578 |
|
1609 ms | 118.163.13.180 |
| 40 | 2026-08-25 13:35 | 639232608016476376 |
|
861 ms | 118.163.13.180 |
| 39 | 2026-08-25 13:18 | 639232597643611557 |
|
1620 ms | 118.163.13.180 |
| 38 | 2026-08-25 13:01 | 639232587225721862 |
|
2691 ms | 118.163.13.180 |
| 37 | 2026-08-25 12:43 | 639232576780683689 |
|
820 ms | 118.163.13.180 |
| 36 | 2026-08-25 12:26 | 639232566381512620 |
|
310 ms | 118.163.13.180 |
| 35 | 2026-08-25 12:09 | 639232556111768563 |
|
868 ms | 118.163.13.180 |
| 34 | 2026-08-25 11:52 | 639232545839529039 |
|
830 ms | 118.163.13.180 |
| 33 | 2026-08-25 11:34 | 639232535349285207 |
|
781 ms | 118.163.13.180 |
| 32 | 2026-08-25 11:17 | 639232524938080723 |
|
1113 ms | 118.163.13.180 |
| 31 | 2026-08-25 10:23 | 639232492740373468 |
|
2293 ms | 118.163.13.180 |
| 30 | 2026-08-25 10:06 | 639232482235303141 |
|
861 ms | 118.163.13.180 |
| 29 | 2026-08-25 09:48 | 639232471861770303 |
|
1581 ms | 118.163.13.180 |
| 28 | 2026-08-25 09:31 | 639232461630217327 |
|
2 ms | 118.163.13.180 |
| 27 | 2026-08-25 09:14 | 639232451282965990 |
|
1304 ms | 118.163.13.180 |
| 26 | 2026-08-25 08:57 | 639232440814614938 |
|
847 ms | 118.163.13.180 |
| 25 | 2026-08-25 08:39 | 639232430410720425 |
|
2279 ms | 118.163.13.180 |
| 24 | 2026-08-25 08:22 | 639232420003096185 |
|
305 ms | 118.163.13.180 |
| 23 | 2026-08-25 08:05 | 639232409467287444 |
|
2550 ms | 118.163.13.180 |
| 22 | 2026-08-25 07:47 | 639232399077195997 |
|
1894 ms | 118.163.13.180 |
| 21 | 2026-08-25 07:30 | 639232388731528337 |
|
2529 ms | 118.163.13.180 |
| 20 | 2026-08-25 07:13 | 639232378288598612 |
|
2008 ms | 118.163.13.180 |
| 19 | 2026-08-25 06:19 | 639232346196373643 |
|
1178 ms | 118.163.13.180 |
| 18 | 2026-08-25 06:02 | 639232336112370741 |
|
296 ms | 118.163.13.180 |
| 17 | 2026-08-25 05:45 | 639232326146508970 |
|
902 ms | 118.163.13.180 |
| 16 | 2026-08-25 05:28 | 639232316189381720 |
|
3 ms | 118.163.13.180 |
| 15 | 2026-08-25 05:12 | 639232306217998913 |
|
2250 ms | 118.163.13.180 |
| 14 | 2026-08-25 04:55 | 639232296255744174 |
|
2 ms | 118.163.13.180 |
| 13 | 2026-08-25 04:39 | 639232286095760789 |
|
300 ms | 118.163.13.180 |
| 12 | 2026-08-25 04:22 | 639232276086186273 |
|
4278 ms | 118.163.13.180 |
| 11 | 2026-08-25 04:05 | 639232265900986425 |
|
1156 ms | 118.163.13.180 |
| 10 | 2026-08-25 03:48 | 639232255723518075 |
|
279 ms | 118.163.13.180 |
| 9 | 2026-08-25 03:31 | 639232245484452890 |
|
289 ms | 118.163.13.180 |
| 8 | 2026-08-25 03:14 | 639232235157175331 |
|
2475 ms | 118.163.13.180 |
| 7 | 2026-08-25 02:20 | 639232203197189095 |
|
284 ms | 118.163.13.180 |
| 6 | 2026-08-25 02:03 | 639232192844564298 |
|
790 ms | 118.163.13.180 |
| 5 | 2026-08-25 01:46 | 639232182496008942 |
|
814 ms | 118.163.13.180 |
| 4 | 2026-08-25 01:29 | 639232172197053132 |
|
2493 ms | 118.163.13.180 |
| 3 | 2026-08-25 00:35 | 639232140250307418 |
|
287 ms | 118.163.13.180 |
| 2 | 2026-08-25 00:19 | 639232129927860324 |
|
2726 ms | 118.163.13.180 |
| 1 | 2026-08-25 00:01 | 639232119551972438 |
|
795 ms | 118.163.13.180 |