DNS response history for ns2.ostrava.cz

ns2.ostrava.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 42 DNS check records, 42 successful responses, 0 failed responses, and 143 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 ns2.ostrava.cz.
Records on Selected Date

42

Historical checks stored for this nameserver on selected date

Average Latency

143 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 14:20

All timestamps shown in UTC

Latest Resolved IP on Selected Date

81.91.223.14

Most recently resolved hosting IP on selected date

Successful Responses

42

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 ns2.ostrava.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
42 2026-08-25 14:20 639232638994329666
33 ms 81.91.223.14
41 2026-08-25 14:02 639232628614783237
30 ms 81.91.223.14
40 2026-08-25 13:45 639232618360728578
33 ms 81.91.223.14
39 2026-08-25 13:28 639232608016476376
29 ms 81.91.223.14
38 2026-08-25 13:11 639232597643611557
40 ms 81.91.223.14
37 2026-08-25 12:53 639232587225721862
173 ms 81.91.223.14
36 2026-08-25 12:36 639232576780683689
37 ms 81.91.223.14
35 2026-08-25 12:19 639232566381512620
2438 ms 81.91.223.14
34 2026-08-25 12:01 639232556111768563
470 ms 81.91.223.14
33 2026-08-25 11:44 639232545839529039
48 ms 81.91.223.14
32 2026-08-25 11:27 639232535349285207
31 ms 81.91.223.14
31 2026-08-25 11:09 639232524938080723
29 ms 81.91.223.14
30 2026-08-25 10:16 639232492740373468
35 ms 81.91.223.14
29 2026-08-25 09:59 639232482235303141
4 ms 81.91.223.14
28 2026-08-25 09:41 639232471861770303
42 ms 81.91.223.14
27 2026-08-25 09:24 639232461630217327
30 ms 81.91.223.14
26 2026-08-25 09:07 639232451282965990
31 ms 81.91.223.14
25 2026-08-25 08:49 639232440814614938
29 ms 81.91.223.14
24 2026-08-25 08:32 639232430410720425
30 ms 81.91.223.14
23 2026-08-25 08:15 639232420003096185
183 ms 81.91.223.14
22 2026-08-25 07:57 639232409467287444
169 ms 81.91.223.14
21 2026-08-25 07:40 639232399077195997
172 ms 81.91.223.14
20 2026-08-25 07:22 639232388731528337
339 ms 81.91.223.14
19 2026-08-25 07:05 639232378288598612
28 ms 81.91.223.14
18 2026-08-25 06:12 639232346196373643
35 ms 81.91.223.14
17 2026-08-25 05:55 639232336112370741
3 ms 81.91.223.14
16 2026-08-25 05:38 639232326146508970
9 ms 81.91.223.14
15 2026-08-25 05:21 639232316189381720
48 ms 81.91.223.14
14 2026-08-25 05:05 639232306217998913
173 ms 81.91.223.14
13 2026-08-25 04:48 639232296255744174
29 ms 81.91.223.14
12 2026-08-25 04:31 639232286095760789
31 ms 81.91.223.14
11 2026-08-25 04:14 639232276086186273
74 ms 81.91.223.14
10 2026-08-25 03:58 639232265900986425
341 ms 81.91.223.14
9 2026-08-25 03:41 639232255723518075
28 ms 81.91.223.14
8 2026-08-25 03:24 639232245484452890
60 ms 81.91.223.14
7 2026-08-25 03:07 639232235157175331
48 ms 81.91.223.14
6 2026-08-25 02:13 639232203197189095
35 ms 81.91.223.14
5 2026-08-25 01:56 639232192844564298
34 ms 81.91.223.14
4 2026-08-25 01:39 639232182496008942
167 ms 81.91.223.14
3 2026-08-25 01:22 639232172197053132
24 ms 81.91.223.14
2 2026-08-25 00:28 639232140250307418
168 ms 81.91.223.14
1 2026-08-25 00:11 639232129927860324
197 ms 81.91.223.14