History for dns1.usl.edu.cn
Domain: usl.edu.cn • Tracking since 2026-08-04 23:25 UTC
DNS response history for dns1.usl.edu.cn
dns1.usl.edu.cn 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 43 DNS check records, 41 successful responses, 2 failed responses, and 1946 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.usl.edu.cn.
Records on Selected Date
43
Historical checks stored for this nameserver on selected date
Average Latency
1946 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-25 14:27
All timestamps shown in UTC
Latest Resolved IP on Selected Date
58.192.208.50
Most recently resolved hosting IP on selected date
Successful Responses
41
Checks that returned a measurable response
Failed Responses
2
Checks with no response or no returned latency
Failure Rate
5%
Based on the selected date history
Selected Date Status
Responsive
At least one successful response exists on selected date
History for dns1.usl.edu.cn
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 |
|---|---|---|---|---|---|
| 43 | 2026-08-25 14:27 | 639232638994329666 |
|
2292 ms | 58.192.208.50 |
| 42 | 2026-08-25 14:10 | 639232628614783237 |
|
1964 ms | 58.192.208.50 |
| 41 | 2026-08-25 13:53 | 639232618360728578 |
|
1967 ms | 58.192.208.50 |
| 40 | 2026-08-25 13:36 | 639232608016476376 |
|
875 ms | 58.192.208.50 |
| 39 | 2026-08-25 13:18 | 639232597643611557 |
|
1426 ms | 58.192.208.50 |
| 38 | 2026-08-25 13:01 | 639232587225721862 |
|
2013 ms | 58.192.208.50 |
| 37 | 2026-08-25 12:44 | 639232576780683689 |
|
1976 ms | 58.192.208.50 |
| 36 | 2026-08-25 12:26 | 639232566381512620 |
|
872 ms | 58.192.208.50 |
| 35 | 2026-08-25 12:09 | 639232556111768563 |
|
1969 ms | 58.192.208.50 |
| 34 | 2026-08-25 11:52 | 639232545839529039 |
|
1964 ms | 58.192.208.50 |
| 33 | 2026-08-25 11:35 | 639232535349285207 |
|
4364 ms | 58.192.208.50 |
| 32 | 2026-08-25 11:17 | 639232524938080723 |
|
2732 ms | 58.192.208.50 |
| 31 | 2026-08-25 10:23 | 639232492740373468 |
|
2639 ms | 58.192.208.50 |
| 30 | 2026-08-25 10:06 | 639232482235303141 |
|
2383 ms | 58.192.208.50 |
| 29 | 2026-08-25 09:49 | 639232471861770303 |
|
5 ms | 58.192.208.50 |
| 28 | 2026-08-25 09:31 | 639232461630217327 |
|
876 ms | 58.192.208.50 |
| 27 | 2026-08-25 09:14 | 639232451282965990 |
|
2283 ms | 58.192.208.50 |
| 26 | 2026-08-25 08:57 | 639232440814614938 |
|
2349 ms | 58.192.208.50 |
| 25 | 2026-08-25 08:40 | 639232430410720425 |
|
1975 ms | 58.192.208.50 |
| 24 | 2026-08-25 08:22 | 639232420003096185 |
|
2348 ms | 58.192.208.50 |
| 23 | 2026-08-25 08:05 | 639232409467287444 |
|
- | |
| 22 | 2026-08-25 07:48 | 639232399077195997 |
|
1974 ms | 58.192.208.50 |
| 21 | 2026-08-25 07:30 | 639232388731528337 |
|
2316 ms | 58.192.208.50 |
| 20 | 2026-08-25 07:13 | 639232378288598612 |
|
2346 ms | 58.192.208.50 |
| 19 | 2026-08-25 06:19 | 639232346196373643 |
|
1979 ms | 58.192.208.50 |
| 18 | 2026-08-25 06:02 | 639232336112370741 |
|
875 ms | 58.192.208.50 |
| 17 | 2026-08-25 05:45 | 639232326146508970 |
|
- | |
| 16 | 2026-08-25 05:29 | 639232316189381720 |
|
1972 ms | 58.192.208.50 |
| 15 | 2026-08-25 05:12 | 639232306217998913 |
|
1964 ms | 58.192.208.50 |
| 14 | 2026-08-25 04:55 | 639232296255744174 |
|
1963 ms | 58.192.208.50 |
| 13 | 2026-08-25 04:39 | 639232286095760789 |
|
4342 ms | 58.192.208.50 |
| 12 | 2026-08-25 04:22 | 639232276086186273 |
|
1977 ms | 58.192.208.50 |
| 11 | 2026-08-25 04:05 | 639232265900986425 |
|
1964 ms | 58.192.208.50 |
| 10 | 2026-08-25 03:48 | 639232255723518075 |
|
1977 ms | 58.192.208.50 |
| 9 | 2026-08-25 03:31 | 639232245484452890 |
|
2 ms | 58.192.208.50 |
| 8 | 2026-08-25 03:14 | 639232235157175331 |
|
2355 ms | 58.192.208.50 |
| 7 | 2026-08-25 02:21 | 639232203197189095 |
|
2280 ms | 58.192.208.50 |
| 6 | 2026-08-25 02:04 | 639232192844564298 |
|
2 ms | 58.192.208.50 |
| 5 | 2026-08-25 01:46 | 639232182496008942 |
|
1965 ms | 58.192.208.50 |
| 4 | 2026-08-25 01:29 | 639232172197053132 |
|
1988 ms | 58.192.208.50 |
| 3 | 2026-08-25 00:36 | 639232140250307418 |
|
2339 ms | 58.192.208.50 |
| 2 | 2026-08-25 00:19 | 639232129927860324 |
|
1977 ms | 58.192.208.50 |
| 1 | 2026-08-25 00:02 | 639232119551972438 |
|
1963 ms | 58.192.208.50 |