History for dns2.guc.edu.cn
Domain: guc.edu.cn • Tracking since 2026-08-04 23:25 UTC
DNS response history for dns2.guc.edu.cn
dns2.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 2026-08-27. For this date, NameServerHistory found 26 DNS check records, 26 successful responses, 0 failed responses, and 735 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.guc.edu.cn.
Records on Selected Date
26
Historical checks stored for this nameserver on selected date
Average Latency
735 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-27 08:24
All timestamps shown in UTC
Latest Resolved IP on Selected Date
202.115.254.251
Most recently resolved hosting IP on selected date
Successful Responses
26
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 dns2.guc.edu.cn
Showing DNS history for 2026-08-27 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 |
|---|---|---|---|---|---|
| 26 | 2026-08-27 08:24 | 639234149799404224 |
|
854 ms | 202.115.254.251 |
| 25 | 2026-08-27 08:07 | 639234139553286469 |
|
871 ms | 202.115.254.251 |
| 24 | 2026-08-27 07:13 | 639234107183588293 |
|
602 ms | 202.115.254.251 |
| 23 | 2026-08-27 06:56 | 639234096905435724 |
|
870 ms | 202.115.254.251 |
| 22 | 2026-08-27 06:39 | 639234086579410775 |
|
601 ms | 202.115.254.251 |
| 21 | 2026-08-27 06:22 | 639234076291157956 |
|
857 ms | 202.115.254.251 |
| 20 | 2026-08-27 06:05 | 639234065981939454 |
|
869 ms | 202.115.254.251 |
| 19 | 2026-08-27 05:47 | 639234055548642997 |
|
580 ms | 202.115.254.251 |
| 18 | 2026-08-27 05:30 | 639234045267979603 |
|
860 ms | 202.115.254.251 |
| 17 | 2026-08-27 05:13 | 639234034999717463 |
|
802 ms | 202.115.254.251 |
| 16 | 2026-08-27 04:56 | 639234024739225358 |
|
579 ms | 202.115.254.251 |
| 15 | 2026-08-27 04:38 | 639234014311170162 |
|
1195 ms | 202.115.254.251 |
| 14 | 2026-08-27 04:21 | 639234003806017640 |
|
587 ms | 202.115.254.251 |
| 13 | 2026-08-27 04:03 | 639233993356203030 |
|
788 ms | 202.115.254.251 |
| 12 | 2026-08-27 03:10 | 639233961301716608 |
|
591 ms | 202.115.254.251 |
| 11 | 2026-08-27 02:53 | 639233950834200647 |
|
835 ms | 202.115.254.251 |
| 10 | 2026-08-27 02:35 | 639233940431849026 |
|
857 ms | 202.115.254.251 |
| 9 | 2026-08-27 02:18 | 639233930110596398 |
|
885 ms | 202.115.254.251 |
| 8 | 2026-08-27 02:01 | 639233919705434540 |
|
498 ms | 202.115.254.251 |
| 7 | 2026-08-27 01:44 | 639233909452807845 |
|
580 ms | 202.115.254.251 |
| 6 | 2026-08-27 01:26 | 639233899096420820 |
|
573 ms | 202.115.254.251 |
| 5 | 2026-08-27 01:09 | 639233888707824939 |
|
820 ms | 202.115.254.251 |
| 4 | 2026-08-27 00:52 | 639233878461203802 |
|
348 ms | 202.115.254.251 |
| 3 | 2026-08-27 00:35 | 639233868060868209 |
|
579 ms | 202.115.254.251 |
| 2 | 2026-08-27 00:17 | 639233857450922991 |
|
794 ms | 202.115.254.251 |
| 1 | 2026-08-27 00:00 | 639233846871926285 |
|
838 ms | 202.115.254.251 |