DNS response history for alfa.itcomputers.cz

alfa.itcomputers.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 62 DNS check records, 61 successful responses, 1 failed responses, and 373 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.itcomputers.cz.
Records on Selected Date

62

Historical checks stored for this nameserver on selected date

Average Latency

373 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 21:17

All timestamps shown in UTC

Latest Resolved IP on Selected Date

81.0.234.87

Most recently resolved hosting IP on selected date

Successful Responses

61

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 alfa.itcomputers.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
62 2026-08-25 21:17 639232890389222534
262 ms 81.0.234.87
61 2026-08-25 21:00 639232880143390843
497 ms 81.0.234.87
60 2026-08-25 20:42 639232869755024069
12 ms 81.0.234.87
59 2026-08-25 20:25 639232859355940346
34 ms 81.0.234.87
58 2026-08-25 20:08 639232848992244953
478 ms 81.0.234.87
57 2026-08-25 19:51 639232838596478500
2167 ms 81.0.234.87
56 2026-08-25 19:33 639232828175327683
8 ms 81.0.234.87
55 2026-08-25 19:16 639232817798330473
17 ms 81.0.234.87
54 2026-08-25 18:22 639232785462407552
448 ms 81.0.234.87
53 2026-08-25 18:05 639232775177487032
52 ms 81.0.234.87
52 2026-08-25 17:48 639232764991087115
27 ms 81.0.234.87
51 2026-08-25 17:31 639232754842971478
14 ms 81.0.234.87
50 2026-08-25 17:14 639232744455159107
191 ms 81.0.234.87
49 2026-08-25 16:57 639232734145178231
37 ms 81.0.234.87
48 2026-08-25 16:39 639232723827874402
47 ms 81.0.234.87
47 2026-08-25 16:22 639232713533011892
36 ms 81.0.234.87
46 2026-08-25 16:05 639232703065318207
10 ms 81.0.234.87
45 2026-08-25 15:48 639232692629559470
5675 ms 81.0.234.87
44 2026-08-25 15:30 639232682238836475
48 ms 81.0.234.87
43 2026-08-25 15:13 639232671787004306
17 ms 81.0.234.87
42 2026-08-25 14:18 639232638994329666
35 ms 81.0.234.87
41 2026-08-25 14:01 639232628614783237
1187 ms 81.0.234.87
40 2026-08-25 13:44 639232618360728578
31 ms 81.0.234.87
39 2026-08-25 13:26 639232608016476376
10 ms 81.0.234.87
38 2026-08-25 13:09 639232597643611557
1527 ms 81.0.234.87
37 2026-08-25 12:52 639232587225721862
571 ms 81.0.234.87
36 2026-08-25 12:34 639232576780683689
40 ms 81.0.234.87
35 2026-08-25 12:17 639232566381512620
28 ms 81.0.234.87
34 2026-08-25 12:00 639232556111768563
74 ms 81.0.234.87
33 2026-08-25 11:43 639232545839529039
4 ms 81.0.234.87
32 2026-08-25 11:25 639232535349285207
41 ms 81.0.234.87
31 2026-08-25 11:08 639232524938080723
7 ms 81.0.234.87
30 2026-08-25 10:14 639232492740373468
108 ms 81.0.234.87
29 2026-08-25 09:57 639232482235303141
46 ms 81.0.234.87
28 2026-08-25 09:39 639232471861770303
11 ms 81.0.234.87
27 2026-08-25 09:22 639232461630217327
281 ms 81.0.234.87
26 2026-08-25 09:05 639232451282965990
4005 ms 81.0.234.87
25 2026-08-25 08:48 639232440814614938
334 ms 81.0.234.87
24 2026-08-25 08:30 639232430410720425
8 ms 81.0.234.87
23 2026-08-25 08:13 639232420003096185
20 ms 81.0.234.87
22 2026-08-25 07:56 639232409467287444
56 ms 81.0.234.87
21 2026-08-25 07:38 639232399077195997
38 ms 81.0.234.87
20 2026-08-25 07:21 639232388731528337
181 ms 81.0.234.87
19 2026-08-25 07:04 639232378288598612
-
18 2026-08-25 06:10 639232346196373643
550 ms 81.0.234.87
17 2026-08-25 05:53 639232336112370741
545 ms 81.0.234.87
16 2026-08-25 05:37 639232326146508970
90 ms 81.0.234.87
15 2026-08-25 05:20 639232316189381720
678 ms 81.0.234.87
14 2026-08-25 05:03 639232306217998913
16 ms 81.0.234.87
13 2026-08-25 04:47 639232296255744174
34 ms 81.0.234.87
12 2026-08-25 04:30 639232286095760789
10 ms 81.0.234.87
11 2026-08-25 04:13 639232276086186273
365 ms 81.0.234.87
10 2026-08-25 03:56 639232265900986425
18 ms 81.0.234.87
9 2026-08-25 03:39 639232255723518075
68 ms 81.0.234.87
8 2026-08-25 03:22 639232245484452890
31 ms 81.0.234.87
7 2026-08-25 03:05 639232235157175331
43 ms 81.0.234.87
6 2026-08-25 02:12 639232203197189095
539 ms 81.0.234.87
5 2026-08-25 01:55 639232192844564298
59 ms 81.0.234.87
4 2026-08-25 01:37 639232182496008942
536 ms 81.0.234.87
3 2026-08-25 01:20 639232172197053132
226 ms 81.0.234.87
2 2026-08-25 00:27 639232140250307418
168 ms 81.0.234.87
1 2026-08-25 00:10 639232129927860324
33 ms 81.0.234.87