History for ns1.ref4.com
Domain: ref4.com • Tracking since 2026-08-04 23:25 UTC
DNS response history for ns1.ref4.com
ns1.ref4.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 2026-08-19. For this date, NameServerHistory found 6 DNS check records, 5 successful responses, 1 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.ref4.com.
Records on Selected Date
6
Historical checks stored for this nameserver on selected date
Average Latency
405 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-19 21:27
All timestamps shown in UTC
Latest Resolved IP on Selected Date
185.239.0.105
Most recently resolved hosting IP on selected date
Successful Responses
5
Checks that returned a measurable response
Failed Responses
1
Checks with no response or no returned latency
Failure Rate
17%
Based on the selected date history
Selected Date Status
Responsive
At least one successful response exists on selected date
History for ns1.ref4.com
Showing DNS history for 2026-08-19 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 |
|---|---|---|---|---|---|
| 6 | 2026-08-19 21:27 | 639227706134603955 |
|
389 ms | 185.239.0.105 |
| 5 | 2026-08-19 17:34 | 639227566241010716 |
|
399 ms | 185.239.0.105 |
| 4 | 2026-08-19 13:39 | 639227425244777397 |
|
- | |
| 3 | 2026-08-19 09:42 | 639227283029182134 |
|
395 ms | 185.239.0.105 |
| 2 | 2026-08-19 05:46 | 639227141523007601 |
|
390 ms | 185.239.0.105 |
| 1 | 2026-08-19 01:55 | 639227003126489968 |
|
453 ms | 185.239.0.105 |