History for dns1.cucn.edu.cn
Domain: cucn.edu.cn • Tracking since 2026-08-04 23:25 UTC
DNS response history for dns1.cucn.edu.cn
dns1.cucn.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 58 DNS check records, 58 successful responses, 0 failed responses, and 1772 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.cucn.edu.cn.
Records on Selected Date
58
Historical checks stored for this nameserver on selected date
Average Latency
1772 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-25 20:00
All timestamps shown in UTC
Latest Resolved IP on Selected Date
222.193.160.2
Most recently resolved hosting IP on selected date
Successful Responses
58
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.cucn.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 |
|---|---|---|---|---|---|
| 58 | 2026-08-25 20:00 | 639232838596478500 |
|
1710 ms | 222.193.160.2 |
| 57 | 2026-08-25 19:42 | 639232828175327683 |
|
802 ms | 222.193.160.2 |
| 56 | 2026-08-25 19:25 | 639232817798330473 |
|
1213 ms | 222.193.160.2 |
| 55 | 2026-08-25 18:31 | 639232785462407552 |
|
738 ms | 222.193.160.2 |
| 54 | 2026-08-25 18:14 | 639232775177487032 |
|
1253 ms | 222.193.160.2 |
| 53 | 2026-08-25 17:57 | 639232764991087115 |
|
3760 ms | 222.193.160.2 |
| 52 | 2026-08-25 17:40 | 639232754842971478 |
|
250 ms | 222.193.160.2 |
| 51 | 2026-08-25 17:23 | 639232744455159107 |
|
751 ms | 222.193.160.2 |
| 50 | 2026-08-25 17:06 | 639232734145178231 |
|
749 ms | 222.193.160.2 |
| 49 | 2026-08-25 16:48 | 639232723827874402 |
|
1247 ms | 222.193.160.2 |
| 48 | 2026-08-25 16:31 | 639232713533011892 |
|
4346 ms | 222.193.160.2 |
| 47 | 2026-08-25 16:14 | 639232703065318207 |
|
1759 ms | 222.193.160.2 |
| 46 | 2026-08-25 15:57 | 639232692629559470 |
|
1714 ms | 222.193.160.2 |
| 45 | 2026-08-25 15:39 | 639232682238836475 |
|
3808 ms | 222.193.160.2 |
| 44 | 2026-08-25 15:22 | 639232671787004306 |
|
2347 ms | 222.193.160.2 |
| 43 | 2026-08-25 14:27 | 639232638994329666 |
|
1227 ms | 222.193.160.2 |
| 42 | 2026-08-25 14:10 | 639232628614783237 |
|
2317 ms | 222.193.160.2 |
| 41 | 2026-08-25 13:53 | 639232618360728578 |
|
1215 ms | 222.193.160.2 |
| 40 | 2026-08-25 13:36 | 639232608016476376 |
|
2656 ms | 222.193.160.2 |
| 39 | 2026-08-25 13:18 | 639232597643611557 |
|
769 ms | 222.193.160.2 |
| 38 | 2026-08-25 13:01 | 639232587225721862 |
|
2682 ms | 222.193.160.2 |
| 37 | 2026-08-25 12:43 | 639232576780683689 |
|
1213 ms | 222.193.160.2 |
| 36 | 2026-08-25 12:26 | 639232566381512620 |
|
3977 ms | 222.193.160.2 |
| 35 | 2026-08-25 12:09 | 639232556111768563 |
|
1284 ms | 222.193.160.2 |
| 34 | 2026-08-25 11:52 | 639232545839529039 |
|
2365 ms | 222.193.160.2 |
| 33 | 2026-08-25 11:35 | 639232535349285207 |
|
2369 ms | 222.193.160.2 |
| 32 | 2026-08-25 11:17 | 639232524938080723 |
|
813 ms | 222.193.160.2 |
| 31 | 2026-08-25 10:23 | 639232492740373468 |
|
1757 ms | 222.193.160.2 |
| 30 | 2026-08-25 10:06 | 639232482235303141 |
|
2032 ms | 222.193.160.2 |
| 29 | 2026-08-25 09:49 | 639232471861770303 |
|
3774 ms | 222.193.160.2 |
| 28 | 2026-08-25 09:31 | 639232461630217327 |
|
1757 ms | 222.193.160.2 |
| 27 | 2026-08-25 09:14 | 639232451282965990 |
|
4627 ms | 222.193.160.2 |
| 26 | 2026-08-25 08:57 | 639232440814614938 |
|
1311 ms | 222.193.160.2 |
| 25 | 2026-08-25 08:40 | 639232430410720425 |
|
821 ms | 222.193.160.2 |
| 24 | 2026-08-25 08:22 | 639232420003096185 |
|
2347 ms | 222.193.160.2 |
| 23 | 2026-08-25 08:05 | 639232409467287444 |
|
4624 ms | 222.193.160.2 |
| 22 | 2026-08-25 07:47 | 639232399077195997 |
|
1266 ms | 222.193.160.2 |
| 21 | 2026-08-25 07:30 | 639232388731528337 |
|
4346 ms | 222.193.160.2 |
| 20 | 2026-08-25 07:13 | 639232378288598612 |
|
2352 ms | 222.193.160.2 |
| 19 | 2026-08-25 06:19 | 639232346196373643 |
|
2345 ms | 222.193.160.2 |
| 18 | 2026-08-25 06:02 | 639232336112370741 |
|
1771 ms | 222.193.160.2 |
| 17 | 2026-08-25 05:45 | 639232326146508970 |
|
4 ms | 222.193.160.2 |
| 16 | 2026-08-25 05:28 | 639232316189381720 |
|
3 ms | 222.193.160.2 |
| 15 | 2026-08-25 05:12 | 639232306217998913 |
|
3 ms | 222.193.160.2 |
| 14 | 2026-08-25 04:55 | 639232296255744174 |
|
3 ms | 222.193.160.2 |
| 13 | 2026-08-25 04:39 | 639232286095760789 |
|
750 ms | 222.193.160.2 |
| 12 | 2026-08-25 04:22 | 639232276086186273 |
|
1727 ms | 222.193.160.2 |
| 11 | 2026-08-25 04:05 | 639232265900986425 |
|
3 ms | 222.193.160.2 |
| 10 | 2026-08-25 03:48 | 639232255723518075 |
|
1252 ms | 222.193.160.2 |
| 9 | 2026-08-25 03:31 | 639232245484452890 |
|
259 ms | 222.193.160.2 |
| 8 | 2026-08-25 03:14 | 639232235157175331 |
|
1777 ms | 222.193.160.2 |
| 7 | 2026-08-25 02:21 | 639232203197189095 |
|
1220 ms | 222.193.160.2 |
| 6 | 2026-08-25 02:04 | 639232192844564298 |
|
1220 ms | 222.193.160.2 |
| 5 | 2026-08-25 01:46 | 639232182496008942 |
|
721 ms | 222.193.160.2 |
| 4 | 2026-08-25 01:29 | 639232172197053132 |
|
1717 ms | 222.193.160.2 |
| 3 | 2026-08-25 00:35 | 639232140250307418 |
|
1763 ms | 222.193.160.2 |
| 2 | 2026-08-25 00:19 | 639232129927860324 |
|
4662 ms | 222.193.160.2 |
| 1 | 2026-08-25 00:01 | 639232119551972438 |
|
1212 ms | 222.193.160.2 |