History for dns1.guc.edu.cn
Domain: guc.edu.cn • Tracking since 2026-08-04 23:25 UTC
DNS response history for dns1.guc.edu.cn
dns1.guc.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 766 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.guc.edu.cn.
Records on Selected Date
58
Historical checks stored for this nameserver on selected date
Average Latency
766 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-25 19:59
All timestamps shown in UTC
Latest Resolved IP on Selected Date
202.115.254.250
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.guc.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 19:59 | 639232838596478500 |
|
847 ms | 202.115.254.250 |
| 57 | 2026-08-25 19:42 | 639232828175327683 |
|
806 ms | 202.115.254.250 |
| 56 | 2026-08-25 19:24 | 639232817798330473 |
|
764 ms | 202.115.254.250 |
| 55 | 2026-08-25 18:30 | 639232785462407552 |
|
854 ms | 202.115.254.250 |
| 54 | 2026-08-25 18:13 | 639232775177487032 |
|
512 ms | 202.115.254.250 |
| 53 | 2026-08-25 17:56 | 639232764991087115 |
|
1143 ms | 202.115.254.250 |
| 52 | 2026-08-25 17:39 | 639232754842971478 |
|
575 ms | 202.115.254.250 |
| 51 | 2026-08-25 17:22 | 639232744455159107 |
|
794 ms | 202.115.254.250 |
| 50 | 2026-08-25 17:05 | 639232734145178231 |
|
806 ms | 202.115.254.250 |
| 49 | 2026-08-25 16:47 | 639232723827874402 |
|
906 ms | 202.115.254.250 |
| 48 | 2026-08-25 16:30 | 639232713533011892 |
|
331 ms | 202.115.254.250 |
| 47 | 2026-08-25 16:13 | 639232703065318207 |
|
329 ms | 202.115.254.250 |
| 46 | 2026-08-25 15:56 | 639232692629559470 |
|
545 ms | 202.115.254.250 |
| 45 | 2026-08-25 15:38 | 639232682238836475 |
|
836 ms | 202.115.254.250 |
| 44 | 2026-08-25 15:21 | 639232671787004306 |
|
831 ms | 202.115.254.250 |
| 43 | 2026-08-25 14:26 | 639232638994329666 |
|
843 ms | 202.115.254.250 |
| 42 | 2026-08-25 14:09 | 639232628614783237 |
|
813 ms | 202.115.254.250 |
| 41 | 2026-08-25 13:52 | 639232618360728578 |
|
592 ms | 202.115.254.250 |
| 40 | 2026-08-25 13:35 | 639232608016476376 |
|
847 ms | 202.115.254.250 |
| 39 | 2026-08-25 13:17 | 639232597643611557 |
|
830 ms | 202.115.254.250 |
| 38 | 2026-08-25 13:00 | 639232587225721862 |
|
817 ms | 202.115.254.250 |
| 37 | 2026-08-25 12:43 | 639232576780683689 |
|
835 ms | 202.115.254.250 |
| 36 | 2026-08-25 12:25 | 639232566381512620 |
|
824 ms | 202.115.254.250 |
| 35 | 2026-08-25 12:08 | 639232556111768563 |
|
803 ms | 202.115.254.250 |
| 34 | 2026-08-25 11:51 | 639232545839529039 |
|
591 ms | 202.115.254.250 |
| 33 | 2026-08-25 11:34 | 639232535349285207 |
|
794 ms | 202.115.254.250 |
| 32 | 2026-08-25 11:16 | 639232524938080723 |
|
875 ms | 202.115.254.250 |
| 31 | 2026-08-25 10:22 | 639232492740373468 |
|
820 ms | 202.115.254.250 |
| 30 | 2026-08-25 10:05 | 639232482235303141 |
|
865 ms | 202.115.254.250 |
| 29 | 2026-08-25 09:48 | 639232471861770303 |
|
888 ms | 202.115.254.250 |
| 28 | 2026-08-25 09:30 | 639232461630217327 |
|
598 ms | 202.115.254.250 |
| 27 | 2026-08-25 09:13 | 639232451282965990 |
|
893 ms | 202.115.254.250 |
| 26 | 2026-08-25 08:56 | 639232440814614938 |
|
884 ms | 202.115.254.250 |
| 25 | 2026-08-25 08:39 | 639232430410720425 |
|
848 ms | 202.115.254.250 |
| 24 | 2026-08-25 08:21 | 639232420003096185 |
|
585 ms | 202.115.254.250 |
| 23 | 2026-08-25 08:04 | 639232409467287444 |
|
590 ms | 202.115.254.250 |
| 22 | 2026-08-25 07:46 | 639232399077195997 |
|
846 ms | 202.115.254.250 |
| 21 | 2026-08-25 07:29 | 639232388731528337 |
|
888 ms | 202.115.254.250 |
| 20 | 2026-08-25 07:12 | 639232378288598612 |
|
844 ms | 202.115.254.250 |
| 19 | 2026-08-25 06:18 | 639232346196373643 |
|
859 ms | 202.115.254.250 |
| 18 | 2026-08-25 06:01 | 639232336112370741 |
|
799 ms | 202.115.254.250 |
| 17 | 2026-08-25 05:44 | 639232326146508970 |
|
853 ms | 202.115.254.250 |
| 16 | 2026-08-25 05:28 | 639232316189381720 |
|
867 ms | 202.115.254.250 |
| 15 | 2026-08-25 05:11 | 639232306217998913 |
|
837 ms | 202.115.254.250 |
| 14 | 2026-08-25 04:54 | 639232296255744174 |
|
591 ms | 202.115.254.250 |
| 13 | 2026-08-25 04:38 | 639232286095760789 |
|
580 ms | 202.115.254.250 |
| 12 | 2026-08-25 04:21 | 639232276086186273 |
|
868 ms | 202.115.254.250 |
| 11 | 2026-08-25 04:04 | 639232265900986425 |
|
571 ms | 202.115.254.250 |
| 10 | 2026-08-25 03:47 | 639232255723518075 |
|
939 ms | 202.115.254.250 |
| 9 | 2026-08-25 03:30 | 639232245484452890 |
|
579 ms | 202.115.254.250 |
| 8 | 2026-08-25 03:13 | 639232235157175331 |
|
852 ms | 202.115.254.250 |
| 7 | 2026-08-25 02:20 | 639232203197189095 |
|
900 ms | 202.115.254.250 |
| 6 | 2026-08-25 02:03 | 639232192844564298 |
|
320 ms | 202.115.254.250 |
| 5 | 2026-08-25 01:45 | 639232182496008942 |
|
796 ms | 202.115.254.250 |
| 4 | 2026-08-25 01:28 | 639232172197053132 |
|
801 ms | 202.115.254.250 |
| 3 | 2026-08-25 00:35 | 639232140250307418 |
|
833 ms | 202.115.254.250 |
| 2 | 2026-08-25 00:18 | 639232129927860324 |
|
805 ms | 202.115.254.250 |
| 1 | 2026-08-25 00:00 | 639232119551972438 |
|
868 ms | 202.115.254.250 |