History for ns3.btbu.edu.cn
Domain: btbu.edu.cn • Tracking since 2026-08-04 23:25 UTC
DNS response history for ns3.btbu.edu.cn
ns3.btbu.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 26 DNS check records, 26 successful responses, 0 failed responses, and 2204 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 ns3.btbu.edu.cn.
Records on Selected Date
26
Historical checks stored for this nameserver on selected date
Average Latency
2204 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-25 08:57
All timestamps shown in UTC
Latest Resolved IP on Selected Date
203.93.30.20
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 ns3.btbu.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 |
|---|---|---|---|---|---|
| 26 | 2026-08-25 08:57 | 639232440814614938 |
|
4319 ms | 203.93.30.20 |
| 25 | 2026-08-25 08:40 | 639232430410720425 |
|
1479 ms | 203.93.30.20 |
| 24 | 2026-08-25 08:22 | 639232420003096185 |
|
1083 ms | 203.93.30.20 |
| 23 | 2026-08-25 08:05 | 639232409467287444 |
|
2312 ms | 203.93.30.20 |
| 22 | 2026-08-25 07:48 | 639232399077195997 |
|
4310 ms | 203.93.30.20 |
| 21 | 2026-08-25 07:30 | 639232388731528337 |
|
664 ms | 203.93.30.20 |
| 20 | 2026-08-25 07:13 | 639232378288598612 |
|
4313 ms | 203.93.30.20 |
| 19 | 2026-08-25 06:19 | 639232346196373643 |
|
2307 ms | 203.93.30.20 |
| 18 | 2026-08-25 06:02 | 639232336112370741 |
|
3183 ms | 203.93.30.20 |
| 17 | 2026-08-25 05:45 | 639232326146508970 |
|
2009 ms | 203.93.30.20 |
| 16 | 2026-08-25 05:29 | 639232316189381720 |
|
1918 ms | 203.93.30.20 |
| 15 | 2026-08-25 05:12 | 639232306217998913 |
|
2008 ms | 203.93.30.20 |
| 14 | 2026-08-25 04:56 | 639232296255744174 |
|
2032 ms | 203.93.30.20 |
| 13 | 2026-08-25 04:39 | 639232286095760789 |
|
258 ms | 203.93.30.20 |
| 12 | 2026-08-25 04:22 | 639232276086186273 |
|
2311 ms | 203.93.30.20 |
| 11 | 2026-08-25 04:05 | 639232265900986425 |
|
2309 ms | 203.93.30.20 |
| 10 | 2026-08-25 03:48 | 639232255723518075 |
|
1464 ms | 203.93.30.20 |
| 9 | 2026-08-25 03:31 | 639232245484452890 |
|
1525 ms | 203.93.30.20 |
| 8 | 2026-08-25 03:14 | 639232235157175331 |
|
2311 ms | 203.93.30.20 |
| 7 | 2026-08-25 02:21 | 639232203197189095 |
|
2009 ms | 203.93.30.20 |
| 6 | 2026-08-25 02:04 | 639232192844564298 |
|
2008 ms | 203.93.30.20 |
| 5 | 2026-08-25 01:47 | 639232182496008942 |
|
4009 ms | 203.93.30.20 |
| 4 | 2026-08-25 01:29 | 639232172197053132 |
|
2311 ms | 203.93.30.20 |
| 3 | 2026-08-25 00:36 | 639232140250307418 |
|
2315 ms | 203.93.30.20 |
| 2 | 2026-08-25 00:19 | 639232129927860324 |
|
1463 ms | 203.93.30.20 |
| 1 | 2026-08-25 00:02 | 639232119551972438 |
|
1062 ms | 203.93.30.20 |