DNS response history for alfa.vsup.cz

alfa.vsup.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 65 DNS check records, 65 successful responses, 0 failed responses, and 88 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 alfa.vsup.cz.
Records on Selected Date

65

Historical checks stored for this nameserver on selected date

Average Latency

88 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 22:10

All timestamps shown in UTC

Latest Resolved IP on Selected Date

195.113.81.133

Most recently resolved hosting IP on selected date

Successful Responses

65

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 alfa.vsup.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
65 2026-08-25 22:10 639232921673215474
50 ms 195.113.81.133
64 2026-08-25 21:52 639232911234504639
48 ms 195.113.81.133
63 2026-08-25 21:35 639232900747078453
46 ms 195.113.81.133
62 2026-08-25 21:17 639232890389222534
119 ms 195.113.81.133
61 2026-08-25 21:00 639232880143390843
198 ms 195.113.81.133
60 2026-08-25 20:43 639232869755024069
42 ms 195.113.81.133
59 2026-08-25 20:26 639232859355940346
45 ms 195.113.81.133
58 2026-08-25 20:08 639232848992244953
41 ms 195.113.81.133
57 2026-08-25 19:51 639232838596478500
111 ms 195.113.81.133
56 2026-08-25 19:34 639232828175327683
2033 ms 195.113.81.133
55 2026-08-25 19:16 639232817798330473
51 ms 195.113.81.133
54 2026-08-25 18:22 639232785462407552
81 ms 195.113.81.133
53 2026-08-25 18:05 639232775177487032
20 ms 195.113.81.133
52 2026-08-25 17:48 639232764991087115
40 ms 195.113.81.133
51 2026-08-25 17:31 639232754842971478
57 ms 195.113.81.133
50 2026-08-25 17:14 639232744455159107
42 ms 195.113.81.133
49 2026-08-25 16:57 639232734145178231
43 ms 195.113.81.133
48 2026-08-25 16:40 639232723827874402
54 ms 195.113.81.133
47 2026-08-25 16:23 639232713533011892
42 ms 195.113.81.133
46 2026-08-25 16:05 639232703065318207
35 ms 195.113.81.133
45 2026-08-25 15:48 639232692629559470
44 ms 195.113.81.133
44 2026-08-25 15:30 639232682238836475
57 ms 195.113.81.133
43 2026-08-25 15:13 639232671787004306
42 ms 195.113.81.133
42 2026-08-25 14:18 639232638994329666
42 ms 195.113.81.133
41 2026-08-25 14:01 639232628614783237
56 ms 195.113.81.133
40 2026-08-25 13:44 639232618360728578
93 ms 195.113.81.133
39 2026-08-25 13:27 639232608016476376
56 ms 195.113.81.133
38 2026-08-25 13:09 639232597643611557
29 ms 195.113.81.133
37 2026-08-25 12:52 639232587225721862
195 ms 195.113.81.133
36 2026-08-25 12:35 639232576780683689
208 ms 195.113.81.133
35 2026-08-25 12:17 639232566381512620
70 ms 195.113.81.133
34 2026-08-25 12:00 639232556111768563
47 ms 195.113.81.133
33 2026-08-25 11:43 639232545839529039
62 ms 195.113.81.133
32 2026-08-25 11:26 639232535349285207
20 ms 195.113.81.133
31 2026-08-25 11:08 639232524938080723
52 ms 195.113.81.133
30 2026-08-25 10:15 639232492740373468
58 ms 195.113.81.133
29 2026-08-25 09:57 639232482235303141
46 ms 195.113.81.133
28 2026-08-25 09:40 639232471861770303
40 ms 195.113.81.133
27 2026-08-25 09:23 639232461630217327
52 ms 195.113.81.133
26 2026-08-25 09:06 639232451282965990
53 ms 195.113.81.133
25 2026-08-25 08:48 639232440814614938
51 ms 195.113.81.133
24 2026-08-25 08:31 639232430410720425
50 ms 195.113.81.133
23 2026-08-25 08:13 639232420003096185
55 ms 195.113.81.133
22 2026-08-25 07:56 639232409467287444
47 ms 195.113.81.133
21 2026-08-25 07:39 639232399077195997
49 ms 195.113.81.133
20 2026-08-25 07:21 639232388731528337
48 ms 195.113.81.133
19 2026-08-25 07:04 639232378288598612
45 ms 195.113.81.133
18 2026-08-25 06:10 639232346196373643
96 ms 195.113.81.133
17 2026-08-25 05:54 639232336112370741
48 ms 195.113.81.133
16 2026-08-25 05:37 639232326146508970
42 ms 195.113.81.133
15 2026-08-25 05:20 639232316189381720
20 ms 195.113.81.133
14 2026-08-25 05:04 639232306217998913
40 ms 195.113.81.133
13 2026-08-25 04:47 639232296255744174
50 ms 195.113.81.133
12 2026-08-25 04:30 639232286095760789
58 ms 195.113.81.133
11 2026-08-25 04:13 639232276086186273
46 ms 195.113.81.133
10 2026-08-25 03:57 639232265900986425
39 ms 195.113.81.133
9 2026-08-25 03:40 639232255723518075
53 ms 195.113.81.133
8 2026-08-25 03:23 639232245484452890
60 ms 195.113.81.133
7 2026-08-25 03:05 639232235157175331
48 ms 195.113.81.133
6 2026-08-25 02:12 639232203197189095
45 ms 195.113.81.133
5 2026-08-25 01:55 639232192844564298
42 ms 195.113.81.133
4 2026-08-25 01:38 639232182496008942
54 ms 195.113.81.133
3 2026-08-25 01:20 639232172197053132
37 ms 195.113.81.133
2 2026-08-25 00:27 639232140250307418
39 ms 195.113.81.133
1 2026-08-25 00:10 639232129927860324
65 ms 195.113.81.133