DNS response history for sys005.zserver.cz

sys005.zserver.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 69 DNS check records, 68 successful responses, 1 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 sys005.zserver.cz.
Records on Selected Date

69

Historical checks stored for this nameserver on selected date

Average Latency

252 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 23:57

All timestamps shown in UTC

Latest Resolved IP on Selected Date

37.187.249.168

Most recently resolved hosting IP on selected date

Successful Responses

68

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

1%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for sys005.zserver.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
69 2026-08-25 23:57 639232985300872416
99 ms 37.187.249.168
68 2026-08-25 23:39 639232974980190573
275 ms 37.187.249.168
67 2026-08-25 23:22 639232964577050707
36 ms 37.187.249.168
66 2026-08-25 22:28 639232932163142799
17 ms 37.187.249.168
65 2026-08-25 22:11 639232921673215474
2014 ms 37.187.249.168
64 2026-08-25 21:53 639232911234504639
26 ms 37.187.249.168
63 2026-08-25 21:36 639232900747078453
53 ms 37.187.249.168
62 2026-08-25 21:18 639232890389222534
34 ms 37.187.249.168
61 2026-08-25 21:01 639232880143390843
42 ms 37.187.249.168
60 2026-08-25 20:44 639232869755024069
22 ms 37.187.249.168
59 2026-08-25 20:27 639232859355940346
41 ms 37.187.249.168
58 2026-08-25 20:09 639232848992244953
45 ms 37.187.249.168
57 2026-08-25 19:52 639232838596478500
19 ms 37.187.249.168
56 2026-08-25 19:35 639232828175327683
31 ms 37.187.249.168
55 2026-08-25 19:17 639232817798330473
34 ms 37.187.249.168
54 2026-08-25 18:23 639232785462407552
2263 ms 37.187.249.168
53 2026-08-25 18:06 639232775177487032
38 ms 37.187.249.168
52 2026-08-25 17:49 639232764991087115
18 ms 37.187.249.168
51 2026-08-25 17:32 639232754842971478
45 ms 37.187.249.168
50 2026-08-25 17:15 639232744455159107
20 ms 37.187.249.168
49 2026-08-25 16:58 639232734145178231
47 ms 37.187.249.168
48 2026-08-25 16:41 639232723827874402
2129 ms 37.187.249.168
47 2026-08-25 16:24 639232713533011892
102 ms 37.187.249.168
46 2026-08-25 16:06 639232703065318207
22 ms 37.187.249.168
45 2026-08-25 15:49 639232692629559470
18 ms 37.187.249.168
44 2026-08-25 15:31 639232682238836475
2021 ms 37.187.249.168
43 2026-08-25 15:14 639232671787004306
52 ms 37.187.249.168
42 2026-08-25 14:19 639232638994329666
46 ms 37.187.249.168
41 2026-08-25 14:02 639232628614783237
2038 ms 37.187.249.168
40 2026-08-25 13:45 639232618360728578
37 ms 37.187.249.168
39 2026-08-25 13:28 639232608016476376
19 ms 37.187.249.168
38 2026-08-25 13:10 639232597643611557
34 ms 37.187.249.168
37 2026-08-25 12:53 639232587225721862
176 ms 37.187.249.168
36 2026-08-25 12:36 639232576780683689
36 ms 37.187.249.168
35 2026-08-25 12:18 639232566381512620
20 ms 37.187.249.168
34 2026-08-25 12:01 639232556111768563
22 ms 37.187.249.168
33 2026-08-25 11:44 639232545839529039
33 ms 37.187.249.168
32 2026-08-25 11:27 639232535349285207
33 ms 37.187.249.168
31 2026-08-25 11:09 639232524938080723
35 ms 37.187.249.168
30 2026-08-25 10:16 639232492740373468
49 ms 37.187.249.168
29 2026-08-25 09:58 639232482235303141
18 ms 37.187.249.168
28 2026-08-25 09:41 639232471861770303
40 ms 37.187.249.168
27 2026-08-25 09:24 639232461630217327
-
26 2026-08-25 09:07 639232451282965990
31 ms 37.187.249.168
25 2026-08-25 08:49 639232440814614938
15 ms 37.187.249.168
24 2026-08-25 08:32 639232430410720425
16 ms 37.187.249.168
23 2026-08-25 08:15 639232420003096185
19 ms 37.187.249.168
22 2026-08-25 07:57 639232409467287444
17 ms 37.187.249.168
21 2026-08-25 07:40 639232399077195997
34 ms 37.187.249.168
20 2026-08-25 07:22 639232388731528337
195 ms 37.187.249.168
19 2026-08-25 07:05 639232378288598612
19 ms 37.187.249.168
18 2026-08-25 06:11 639232346196373643
39 ms 37.187.249.168
17 2026-08-25 05:54 639232336112370741
29 ms 37.187.249.168
16 2026-08-25 05:38 639232326146508970
30 ms 37.187.249.168
15 2026-08-25 05:21 639232316189381720
2105 ms 37.187.249.168
14 2026-08-25 05:05 639232306217998913
30 ms 37.187.249.168
13 2026-08-25 04:48 639232296255744174
31 ms 37.187.249.168
12 2026-08-25 04:31 639232286095760789
16 ms 37.187.249.168
11 2026-08-25 04:14 639232276086186273
15 ms 37.187.249.168
10 2026-08-25 03:58 639232265900986425
2016 ms 37.187.249.168
9 2026-08-25 03:41 639232255723518075
16 ms 37.187.249.168
8 2026-08-25 03:24 639232245484452890
56 ms 37.187.249.168
7 2026-08-25 03:06 639232235157175331
17 ms 37.187.249.168
6 2026-08-25 02:13 639232203197189095
41 ms 37.187.249.168
5 2026-08-25 01:56 639232192844564298
19 ms 37.187.249.168
4 2026-08-25 01:39 639232182496008942
41 ms 37.187.249.168
3 2026-08-25 01:21 639232172197053132
42 ms 37.187.249.168
2 2026-08-25 00:28 639232140250307418
30 ms 37.187.249.168
1 2026-08-25 00:11 639232129927860324
11 ms 37.187.249.168