History for dns2.qhctc.edu.cn
Domain: qhctc.edu.cn • Tracking since 2026-08-04 23:25 UTC
DNS response history for dns2.qhctc.edu.cn
dns2.qhctc.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 55 DNS check records, 52 successful responses, 3 failed responses, and 1997 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 dns2.qhctc.edu.cn.
Records on Selected Date
55
Historical checks stored for this nameserver on selected date
Average Latency
1997 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-25 18:31
All timestamps shown in UTC
Latest Resolved IP on Selected Date
219.247.199.8
Most recently resolved hosting IP on selected date
Successful Responses
52
Checks that returned a measurable response
Failed Responses
3
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 dns2.qhctc.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 |
|---|---|---|---|---|---|
| 55 | 2026-08-25 18:31 | 639232785462407552 |
|
3804 ms | 219.247.199.8 |
| 54 | 2026-08-25 18:14 | 639232775177487032 |
|
3811 ms | 219.247.199.8 |
| 53 | 2026-08-25 17:57 | 639232764991087115 |
|
2468 ms | 219.247.199.8 |
| 52 | 2026-08-25 17:40 | 639232754842971478 |
|
2426 ms | 219.247.199.8 |
| 51 | 2026-08-25 17:23 | 639232744455159107 |
|
2031 ms | 219.247.199.8 |
| 50 | 2026-08-25 17:06 | 639232734145178231 |
|
2540 ms | 219.247.199.8 |
| 49 | 2026-08-25 16:48 | 639232723827874402 |
|
883 ms | 219.247.199.8 |
| 48 | 2026-08-25 16:31 | 639232713533011892 |
|
4360 ms | 219.247.199.8 |
| 47 | 2026-08-25 16:14 | 639232703065318207 |
|
2686 ms | 219.247.199.8 |
| 46 | 2026-08-25 15:57 | 639232692629559470 |
|
3782 ms | 219.247.199.8 |
| 45 | 2026-08-25 15:39 | 639232682238836475 |
|
896 ms | 219.247.199.8 |
| 44 | 2026-08-25 15:22 | 639232671787004306 |
|
2657 ms | 219.247.199.8 |
| 43 | 2026-08-25 14:27 | 639232638994329666 |
|
4896 ms | 219.247.199.8 |
| 42 | 2026-08-25 14:10 | 639232628614783237 |
|
898 ms | 219.247.199.8 |
| 41 | 2026-08-25 13:53 | 639232618360728578 |
|
2258 ms | 219.247.199.8 |
| 40 | 2026-08-25 13:36 | 639232608016476376 |
|
899 ms | 219.247.199.8 |
| 39 | 2026-08-25 13:18 | 639232597643611557 |
|
1496 ms | 219.247.199.8 |
| 38 | 2026-08-25 13:01 | 639232587225721862 |
|
3806 ms | 219.247.199.8 |
| 37 | 2026-08-25 12:44 | 639232576780683689 |
|
2303 ms | 219.247.199.8 |
| 36 | 2026-08-25 12:26 | 639232566381512620 |
|
900 ms | 219.247.199.8 |
| 35 | 2026-08-25 12:09 | 639232556111768563 |
|
2008 ms | 219.247.199.8 |
| 34 | 2026-08-25 11:52 | 639232545839529039 |
|
2266 ms | 219.247.199.8 |
| 33 | 2026-08-25 11:35 | 639232535349285207 |
|
2366 ms | 219.247.199.8 |
| 32 | 2026-08-25 11:17 | 639232524938080723 |
|
2263 ms | 219.247.199.8 |
| 31 | 2026-08-25 10:23 | 639232492740373468 |
|
2368 ms | 219.247.199.8 |
| 30 | 2026-08-25 10:06 | 639232482235303141 |
|
- | |
| 29 | 2026-08-25 09:49 | 639232471861770303 |
|
3994 ms | 219.247.199.8 |
| 28 | 2026-08-25 09:31 | 639232461630217327 |
|
893 ms | 219.247.199.8 |
| 27 | 2026-08-25 09:14 | 639232451282965990 |
|
- | |
| 26 | 2026-08-25 08:57 | 639232440814614938 |
|
2348 ms | 219.247.199.8 |
| 25 | 2026-08-25 08:40 | 639232430410720425 |
|
893 ms | 219.247.199.8 |
| 24 | 2026-08-25 08:22 | 639232420003096185 |
|
894 ms | 219.247.199.8 |
| 23 | 2026-08-25 08:05 | 639232409467287444 |
|
893 ms | 219.247.199.8 |
| 22 | 2026-08-25 07:47 | 639232399077195997 |
|
3810 ms | 219.247.199.8 |
| 21 | 2026-08-25 07:30 | 639232388731528337 |
|
2008 ms | 219.247.199.8 |
| 20 | 2026-08-25 07:13 | 639232378288598612 |
|
- | |
| 19 | 2026-08-25 06:19 | 639232346196373643 |
|
2349 ms | 219.247.199.8 |
| 18 | 2026-08-25 06:02 | 639232336112370741 |
|
3 ms | 219.247.199.8 |
| 17 | 2026-08-25 05:45 | 639232326146508970 |
|
1856 ms | 219.247.199.8 |
| 16 | 2026-08-25 05:29 | 639232316189381720 |
|
892 ms | 219.247.199.8 |
| 15 | 2026-08-25 05:12 | 639232306217998913 |
|
5 ms | 219.247.199.8 |
| 14 | 2026-08-25 04:55 | 639232296255744174 |
|
900 ms | 219.247.199.8 |
| 13 | 2026-08-25 04:39 | 639232286095760789 |
|
1853 ms | 219.247.199.8 |
| 12 | 2026-08-25 04:22 | 639232276086186273 |
|
895 ms | 219.247.199.8 |
| 11 | 2026-08-25 04:05 | 639232265900986425 |
|
2357 ms | 219.247.199.8 |
| 10 | 2026-08-25 03:48 | 639232255723518075 |
|
898 ms | 219.247.199.8 |
| 9 | 2026-08-25 03:31 | 639232245484452890 |
|
895 ms | 219.247.199.8 |
| 8 | 2026-08-25 03:14 | 639232235157175331 |
|
1843 ms | 219.247.199.8 |
| 7 | 2026-08-25 02:21 | 639232203197189095 |
|
2308 ms | 219.247.199.8 |
| 6 | 2026-08-25 02:04 | 639232192844564298 |
|
2269 ms | 219.247.199.8 |
| 5 | 2026-08-25 01:46 | 639232182496008942 |
|
4 ms | 219.247.199.8 |
| 4 | 2026-08-25 01:29 | 639232172197053132 |
|
2728 ms | 219.247.199.8 |
| 3 | 2026-08-25 00:35 | 639232140250307418 |
|
2 ms | 219.247.199.8 |
| 2 | 2026-08-25 00:19 | 639232129927860324 |
|
2571 ms | 219.247.199.8 |
| 1 | 2026-08-25 00:01 | 639232119551972438 |
|
2428 ms | 219.247.199.8 |