History for ns1.u-21.com
Domain: u-21.com • Tracking since 2026-08-04 23:25 UTC
DNS response history for ns1.u-21.com
ns1.u-21.com 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 14 DNS check records, 14 successful responses, 0 failed responses, and 405 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 ns1.u-21.com.
Records on Selected Date
14
Historical checks stored for this nameserver on selected date
Average Latency
405 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-25 05:10
All timestamps shown in UTC
Latest Resolved IP on Selected Date
162.43.121.83
Most recently resolved hosting IP on selected date
Successful Responses
14
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 ns1.u-21.com
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 |
|---|---|---|---|---|---|
| 14 | 2026-08-25 05:10 | 639232306217998913 |
|
482 ms | 162.43.121.83 |
| 13 | 2026-08-25 04:53 | 639232296255744174 |
|
3 ms | 162.43.121.83 |
| 12 | 2026-08-25 04:36 | 639232286095760789 |
|
481 ms | 162.43.121.83 |
| 11 | 2026-08-25 04:19 | 639232276086186273 |
|
515 ms | 162.43.121.83 |
| 10 | 2026-08-25 04:03 | 639232265900986425 |
|
477 ms | 162.43.121.83 |
| 9 | 2026-08-25 03:46 | 639232255723518075 |
|
512 ms | 162.43.121.83 |
| 8 | 2026-08-25 03:29 | 639232245484452890 |
|
239 ms | 162.43.121.83 |
| 7 | 2026-08-25 03:12 | 639232235157175331 |
|
476 ms | 162.43.121.83 |
| 6 | 2026-08-25 02:18 | 639232203197189095 |
|
246 ms | 162.43.121.83 |
| 5 | 2026-08-25 02:01 | 639232192844564298 |
|
246 ms | 162.43.121.83 |
| 4 | 2026-08-25 01:44 | 639232182496008942 |
|
891 ms | 162.43.121.83 |
| 3 | 2026-08-25 01:27 | 639232172197053132 |
|
248 ms | 162.43.121.83 |
| 2 | 2026-08-25 00:33 | 639232140250307418 |
|
491 ms | 162.43.121.83 |
| 1 | 2026-08-25 00:16 | 639232129927860324 |
|
361 ms | 162.43.121.83 |