DNS response history for ns.dns4.cz

ns.dns4.cz 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 2026-08-24. For this date, NameServerHistory found 9 DNS check records, 9 successful responses, 0 failed responses, and 252 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 ns.dns4.cz.
Records on Selected Date

9

Historical checks stored for this nameserver on selected date

Average Latency

252 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-24 03:26

All timestamps shown in UTC

Latest Resolved IP on Selected Date

81.95.96.2

Most recently resolved hosting IP on selected date

Successful Responses

9

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 ns.dns4.cz

Showing DNS history for 2026-08-24 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
9 2026-08-24 03:26 639231386075551458
7 ms 81.95.96.2
8 2026-08-24 03:10 639231376208713791
3 ms 81.95.96.2
7 2026-08-24 02:53 639231366170589276
4 ms 81.95.96.2
6 2026-08-24 02:00 639231334732159368
2017 ms 81.95.96.2
5 2026-08-24 01:44 639231325035670078
3 ms 81.95.96.2
4 2026-08-24 01:28 639231315132253837
66 ms 81.95.96.2
3 2026-08-24 01:11 639231305014280808
48 ms 81.95.96.2
2 2026-08-24 00:19 639231273779380675
57 ms 81.95.96.2
1 2026-08-24 00:03 639231264180839154
67 ms 81.95.96.2