DNS response history for ns3.ostrava.cz

ns3.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 46 DNS check records, 45 successful responses, 1 failed responses, and 328 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 ns3.ostrava.cz.
Records on Selected Date

46

Historical checks stored for this nameserver on selected date

Average Latency

328 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 16:06

All timestamps shown in UTC

Latest Resolved IP on Selected Date

81.91.223.13

Most recently resolved hosting IP on selected date

Successful Responses

45

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

2%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ns3.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
46 2026-08-25 16:06 639232703065318207
33 ms 81.91.223.13
45 2026-08-25 15:49 639232692629559470
207 ms 81.91.223.13
44 2026-08-25 15:31 639232682238836475
170 ms 81.91.223.13
43 2026-08-25 15:14 639232671787004306
8 ms 81.91.223.13
42 2026-08-25 14:19 639232638994329666
174 ms 81.91.223.13
41 2026-08-25 14:02 639232628614783237
66 ms 81.91.223.13
40 2026-08-25 13:45 639232618360728578
39 ms 81.91.223.13
39 2026-08-25 13:28 639232608016476376
206 ms 81.91.223.13
38 2026-08-25 13:10 639232597643611557
174 ms 81.91.223.13
37 2026-08-25 12:53 639232587225721862
67 ms 81.91.223.13
36 2026-08-25 12:36 639232576780683689
2142 ms 81.91.223.13
35 2026-08-25 12:18 639232566381512620
171 ms 81.91.223.13
34 2026-08-25 12:01 639232556111768563
222 ms 81.91.223.13
33 2026-08-25 11:44 639232545839529039
31 ms 81.91.223.13
32 2026-08-25 11:27 639232535349285207
2216 ms 81.91.223.13
31 2026-08-25 11:09 639232524938080723
205 ms 81.91.223.13
30 2026-08-25 10:15 639232492740373468
61 ms 81.91.223.13
29 2026-08-25 09:58 639232482235303141
172 ms 81.91.223.13
28 2026-08-25 09:40 639232471861770303
7 ms 81.91.223.13
27 2026-08-25 09:23 639232461630217327
177 ms 81.91.223.13
26 2026-08-25 09:06 639232451282965990
178 ms 81.91.223.13
25 2026-08-25 08:49 639232440814614938
66 ms 81.91.223.13
24 2026-08-25 08:31 639232430410720425
215 ms 81.91.223.13
23 2026-08-25 08:14 639232420003096185
147 ms 81.91.223.13
22 2026-08-25 07:57 639232409467287444
33 ms 81.91.223.13
21 2026-08-25 07:39 639232399077195997
28 ms 81.91.223.13
20 2026-08-25 07:22 639232388731528337
32 ms 81.91.223.13
19 2026-08-25 07:05 639232378288598612
34 ms 81.91.223.13
18 2026-08-25 06:11 639232346196373643
2107 ms 81.91.223.13
17 2026-08-25 05:54 639232336112370741
84 ms 81.91.223.13
16 2026-08-25 05:38 639232326146508970
-
15 2026-08-25 05:21 639232316189381720
97 ms 81.91.223.13
14 2026-08-25 05:05 639232306217998913
73 ms 81.91.223.13
13 2026-08-25 04:48 639232296255744174
31 ms 81.91.223.13
12 2026-08-25 04:31 639232286095760789
52 ms 81.91.223.13
11 2026-08-25 04:14 639232276086186273
2009 ms 81.91.223.13
10 2026-08-25 03:57 639232265900986425
55 ms 81.91.223.13
9 2026-08-25 03:40 639232255723518075
10 ms 81.91.223.13
8 2026-08-25 03:23 639232245484452890
63 ms 81.91.223.13
7 2026-08-25 03:06 639232235157175331
2061 ms 81.91.223.13
6 2026-08-25 02:13 639232203197189095
171 ms 81.91.223.13
5 2026-08-25 01:56 639232192844564298
177 ms 81.91.223.13
4 2026-08-25 01:38 639232182496008942
28 ms 81.91.223.13
3 2026-08-25 01:21 639232172197053132
86 ms 81.91.223.13
2 2026-08-25 00:28 639232140250307418
336 ms 81.91.223.13
1 2026-08-25 00:11 639232129927860324
23 ms 81.91.223.13