DNS response history for ns1.netopen.cz

ns1.netopen.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 2026-08-25. For this date, NameServerHistory found 31 DNS check records, 31 successful responses, 0 failed responses, and 1601 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.netopen.cz.
Records on Selected Date

31

Historical checks stored for this nameserver on selected date

Average Latency

1601 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 10:23

All timestamps shown in UTC

Latest Resolved IP on Selected Date

31.134.220.252

Most recently resolved hosting IP on selected date

Successful Responses

31

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.netopen.cz

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
31 2026-08-25 10:23 639232492740373468
4 ms 31.134.220.252
30 2026-08-25 10:06 639232482235303141
2007 ms 31.134.220.252
29 2026-08-25 09:48 639232471861770303
2031 ms 31.134.220.252
28 2026-08-25 09:31 639232461630217327
4 ms 31.134.220.252
27 2026-08-25 09:14 639232451282965990
3 ms 31.134.220.252
26 2026-08-25 08:57 639232440814614938
2032 ms 31.134.220.252
25 2026-08-25 08:39 639232430410720425
2070 ms 31.134.220.252
24 2026-08-25 08:22 639232420003096185
3560 ms 31.134.220.252
23 2026-08-25 08:05 639232409467287444
2100 ms 31.134.220.252
22 2026-08-25 07:47 639232399077195997
2008 ms 31.134.220.252
21 2026-08-25 07:30 639232388731528337
26 ms 31.134.220.252
20 2026-08-25 07:13 639232378288598612
2022 ms 31.134.220.252
19 2026-08-25 06:19 639232346196373643
3 ms 31.134.220.252
18 2026-08-25 06:02 639232336112370741
3 ms 31.134.220.252
17 2026-08-25 05:45 639232326146508970
3 ms 31.134.220.252
16 2026-08-25 05:28 639232316189381720
2009 ms 31.134.220.252
15 2026-08-25 05:12 639232306217998913
4010 ms 31.134.220.252
14 2026-08-25 04:55 639232296255744174
3 ms 31.134.220.252
13 2026-08-25 04:38 639232286095760789
2026 ms 31.134.220.252
12 2026-08-25 04:22 639232276086186273
3 ms 31.134.220.252
11 2026-08-25 04:05 639232265900986425
29 ms 31.134.220.252
10 2026-08-25 03:48 639232255723518075
2009 ms 31.134.220.252
9 2026-08-25 03:31 639232245484452890
35 ms 31.134.220.252
8 2026-08-25 03:14 639232235157175331
4025 ms 31.134.220.252
7 2026-08-25 02:20 639232203197189095
2008 ms 31.134.220.252
6 2026-08-25 02:03 639232192844564298
2008 ms 31.134.220.252
5 2026-08-25 01:46 639232182496008942
3521 ms 31.134.220.252
4 2026-08-25 01:29 639232172197053132
2031 ms 31.134.220.252
3 2026-08-25 00:35 639232140250307418
4010 ms 31.134.220.252
2 2026-08-25 00:19 639232129927860324
2007 ms 31.134.220.252
1 2026-08-25 00:01 639232119551972438
2008 ms 31.134.220.252