History for dns1.shcac.edu.cn
Domain: shcac.edu.cn • Tracking since 2026-08-04 23:25 UTC
DNS response history for dns1.shcac.edu.cn
dns1.shcac.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 19 DNS check records, 19 successful responses, 0 failed responses, and 2742 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.shcac.edu.cn.
Records on Selected Date
19
Historical checks stored for this nameserver on selected date
Average Latency
2742 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-27 05:49
All timestamps shown in UTC
Latest Resolved IP on Selected Date
42.247.1.1
Most recently resolved hosting IP on selected date
Successful Responses
19
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.shcac.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 |
|---|---|---|---|---|---|
| 19 | 2026-08-27 05:49 | 639234055548642997 |
|
4574 ms | 42.247.1.1 |
| 18 | 2026-08-27 05:31 | 639234045267979603 |
|
4323 ms | 42.247.1.1 |
| 17 | 2026-08-27 05:14 | 639234034999717463 |
|
1972 ms | 42.247.1.1 |
| 16 | 2026-08-27 04:57 | 639234024739225358 |
|
4304 ms | 42.247.1.1 |
| 15 | 2026-08-27 04:40 | 639234014311170162 |
|
4316 ms | 42.247.1.1 |
| 14 | 2026-08-27 04:23 | 639234003806017640 |
|
2283 ms | 42.247.1.1 |
| 13 | 2026-08-27 04:05 | 639233993356203030 |
|
4307 ms | 42.247.1.1 |
| 12 | 2026-08-27 03:12 | 639233961301716608 |
|
1739 ms | 42.247.1.1 |
| 11 | 2026-08-27 02:54 | 639233950834200647 |
|
1737 ms | 42.247.1.1 |
| 10 | 2026-08-27 02:37 | 639233940431849026 |
|
4302 ms | 42.247.1.1 |
| 9 | 2026-08-27 02:20 | 639233930110596398 |
|
1734 ms | 42.247.1.1 |
| 8 | 2026-08-27 02:02 | 639233919705434540 |
|
1732 ms | 42.247.1.1 |
| 7 | 2026-08-27 01:45 | 639233909452807845 |
|
1733 ms | 42.247.1.1 |
| 6 | 2026-08-27 01:28 | 639233899096420820 |
|
4310 ms | 42.247.1.1 |
| 5 | 2026-08-27 01:11 | 639233888707824939 |
|
1734 ms | 42.247.1.1 |
| 4 | 2026-08-27 00:53 | 639233878461203802 |
|
4602 ms | 42.247.1.1 |
| 3 | 2026-08-27 00:36 | 639233868060868209 |
|
3 ms | 42.247.1.1 |
| 2 | 2026-08-27 00:19 | 639233857450922991 |
|
1206 ms | 42.247.1.1 |
| 1 | 2026-08-27 00:01 | 639233846871926285 |
|
1179 ms | 42.247.1.1 |