DNS response history for ns4.b3b.cz

ns4.b3b.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 57 DNS check records, 57 successful responses, 0 failed responses, and 41 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 ns4.b3b.cz.
Records on Selected Date

57

Historical checks stored for this nameserver on selected date

Average Latency

41 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 19:49

All timestamps shown in UTC

Latest Resolved IP on Selected Date

87.236.194.182

Most recently resolved hosting IP on selected date

Successful Responses

57

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 ns4.b3b.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
57 2026-08-25 19:49 639232838596478500
21 ms 87.236.194.182
56 2026-08-25 19:32 639232828175327683
93 ms 87.236.194.182
55 2026-08-25 19:15 639232817798330473
26 ms 87.236.194.182
54 2026-08-25 18:21 639232785462407552
27 ms 87.236.194.182
53 2026-08-25 18:04 639232775177487032
34 ms 87.236.194.182
52 2026-08-25 17:47 639232764991087115
40 ms 87.236.194.182
51 2026-08-25 17:30 639232754842971478
20 ms 87.236.194.182
50 2026-08-25 17:13 639232744455159107
24 ms 87.236.194.182
49 2026-08-25 16:55 639232734145178231
26 ms 87.236.194.182
48 2026-08-25 16:38 639232723827874402
55 ms 87.236.194.182
47 2026-08-25 16:21 639232713533011892
32 ms 87.236.194.182
46 2026-08-25 16:04 639232703065318207
52 ms 87.236.194.182
45 2026-08-25 15:46 639232692629559470
45 ms 87.236.194.182
44 2026-08-25 15:29 639232682238836475
49 ms 87.236.194.182
43 2026-08-25 15:11 639232671787004306
61 ms 87.236.194.182
42 2026-08-25 14:17 639232638994329666
69 ms 87.236.194.182
41 2026-08-25 13:59 639232628614783237
24 ms 87.236.194.182
40 2026-08-25 13:42 639232618360728578
58 ms 87.236.194.182
39 2026-08-25 13:25 639232608016476376
129 ms 87.236.194.182
38 2026-08-25 13:08 639232597643611557
61 ms 87.236.194.182
37 2026-08-25 12:50 639232587225721862
48 ms 87.236.194.182
36 2026-08-25 12:33 639232576780683689
33 ms 87.236.194.182
35 2026-08-25 12:16 639232566381512620
52 ms 87.236.194.182
34 2026-08-25 11:59 639232556111768563
64 ms 87.236.194.182
33 2026-08-25 11:41 639232545839529039
38 ms 87.236.194.182
32 2026-08-25 11:24 639232535349285207
36 ms 87.236.194.182
31 2026-08-25 11:07 639232524938080723
33 ms 87.236.194.182
30 2026-08-25 10:13 639232492740373468
24 ms 87.236.194.182
29 2026-08-25 09:56 639232482235303141
37 ms 87.236.194.182
28 2026-08-25 09:38 639232471861770303
7 ms 87.236.194.182
27 2026-08-25 09:21 639232461630217327
25 ms 87.236.194.182
26 2026-08-25 09:04 639232451282965990
9 ms 87.236.194.182
25 2026-08-25 08:46 639232440814614938
3 ms 87.236.194.182
24 2026-08-25 08:29 639232430410720425
34 ms 87.236.194.182
23 2026-08-25 08:12 639232420003096185
27 ms 87.236.194.182
22 2026-08-25 07:54 639232409467287444
29 ms 87.236.194.182
21 2026-08-25 07:37 639232399077195997
26 ms 87.236.194.182
20 2026-08-25 07:20 639232388731528337
70 ms 87.236.194.182
19 2026-08-25 07:02 639232378288598612
55 ms 87.236.194.182
18 2026-08-25 06:09 639232346196373643
5 ms 87.236.194.182
17 2026-08-25 05:52 639232336112370741
22 ms 87.236.194.182
16 2026-08-25 05:35 639232326146508970
32 ms 87.236.194.182
15 2026-08-25 05:19 639232316189381720
72 ms 87.236.194.182
14 2026-08-25 05:02 639232306217998913
4 ms 87.236.194.182
13 2026-08-25 04:46 639232296255744174
207 ms 87.236.194.182
12 2026-08-25 04:29 639232286095760789
30 ms 87.236.194.182
11 2026-08-25 04:12 639232276086186273
5 ms 87.236.194.182
10 2026-08-25 03:55 639232265900986425
41 ms 87.236.194.182
9 2026-08-25 03:38 639232255723518075
7 ms 87.236.194.182
8 2026-08-25 03:21 639232245484452890
46 ms 87.236.194.182
7 2026-08-25 03:04 639232235157175331
11 ms 87.236.194.182
6 2026-08-25 02:10 639232203197189095
8 ms 87.236.194.182
5 2026-08-25 01:53 639232192844564298
58 ms 87.236.194.182
4 2026-08-25 01:36 639232182496008942
65 ms 87.236.194.182
3 2026-08-25 01:19 639232172197053132
34 ms 87.236.194.182
2 2026-08-25 00:25 639232140250307418
42 ms 87.236.194.182
1 2026-08-25 00:08 639232129927860324
24 ms 87.236.194.182