DNS response history for alfa.jtj.cz

alfa.jtj.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 63 DNS check records, 62 successful responses, 1 failed responses, and 420 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.jtj.cz.
Records on Selected Date

63

Historical checks stored for this nameserver on selected date

Average Latency

420 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 21:38

All timestamps shown in UTC

Latest Resolved IP on Selected Date

185.112.28.10

Most recently resolved hosting IP on selected date

Successful Responses

62

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.jtj.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
63 2026-08-25 21:38 639232900747078453
52 ms 185.112.28.10
62 2026-08-25 21:21 639232890389222534
3 ms 185.112.28.10
61 2026-08-25 21:03 639232880143390843
2 ms 185.112.28.10
60 2026-08-25 20:46 639232869755024069
4 ms 185.112.28.10
59 2026-08-25 20:29 639232859355940346
52 ms 185.112.28.10
58 2026-08-25 20:12 639232848992244953
2091 ms 185.112.28.10
57 2026-08-25 19:54 639232838596478500
2039 ms 185.112.28.10
56 2026-08-25 19:37 639232828175327683
42 ms 185.112.28.10
55 2026-08-25 19:20 639232817798330473
211 ms 185.112.28.10
54 2026-08-25 18:26 639232785462407552
4 ms 185.112.28.10
53 2026-08-25 18:09 639232775177487032
4 ms 185.112.28.10
52 2026-08-25 17:52 639232764991087115
632 ms 185.112.28.10
51 2026-08-25 17:35 639232754842971478
3559 ms 185.112.28.10
50 2026-08-25 17:18 639232744455159107
13 ms 185.112.28.10
49 2026-08-25 17:00 639232734145178231
1537 ms 185.112.28.10
48 2026-08-25 16:43 639232723827874402
22 ms 185.112.28.10
47 2026-08-25 16:26 639232713533011892
2056 ms 185.112.28.10
46 2026-08-25 16:09 639232703065318207
-
45 2026-08-25 15:51 639232692629559470
51 ms 185.112.28.10
44 2026-08-25 15:34 639232682238836475
41 ms 185.112.28.10
43 2026-08-25 15:16 639232671787004306
120 ms 185.112.28.10
42 2026-08-25 14:22 639232638994329666
44 ms 185.112.28.10
41 2026-08-25 14:04 639232628614783237
51 ms 185.112.28.10
40 2026-08-25 13:47 639232618360728578
36 ms 185.112.28.10
39 2026-08-25 13:30 639232608016476376
3 ms 185.112.28.10
38 2026-08-25 13:13 639232597643611557
55 ms 185.112.28.10
37 2026-08-25 12:55 639232587225721862
5 ms 185.112.28.10
36 2026-08-25 12:38 639232576780683689
5 ms 185.112.28.10
35 2026-08-25 12:21 639232566381512620
4 ms 185.112.28.10
34 2026-08-25 12:03 639232556111768563
47 ms 185.112.28.10
33 2026-08-25 11:46 639232545839529039
428 ms 185.112.28.10
32 2026-08-25 11:29 639232535349285207
41 ms 185.112.28.10
31 2026-08-25 11:12 639232524938080723
2047 ms 185.112.28.10
30 2026-08-25 10:18 639232492740373468
4 ms 185.112.28.10
29 2026-08-25 10:01 639232482235303141
12 ms 185.112.28.10
28 2026-08-25 09:43 639232471861770303
21 ms 185.112.28.10
27 2026-08-25 09:26 639232461630217327
42 ms 185.112.28.10
26 2026-08-25 09:09 639232451282965990
5 ms 185.112.28.10
25 2026-08-25 08:51 639232440814614938
47 ms 185.112.28.10
24 2026-08-25 08:34 639232430410720425
21 ms 185.112.28.10
23 2026-08-25 08:17 639232420003096185
2760 ms 185.112.28.10
22 2026-08-25 07:59 639232409467287444
5 ms 185.112.28.10
21 2026-08-25 07:42 639232399077195997
33 ms 185.112.28.10
20 2026-08-25 07:25 639232388731528337
4 ms 185.112.28.10
19 2026-08-25 07:07 639232378288598612
51 ms 185.112.28.10
18 2026-08-25 06:14 639232346196373643
3 ms 185.112.28.10
17 2026-08-25 05:57 639232336112370741
50 ms 185.112.28.10
16 2026-08-25 05:40 639232326146508970
32 ms 185.112.28.10
15 2026-08-25 05:23 639232316189381720
2033 ms 185.112.28.10
14 2026-08-25 05:07 639232306217998913
18 ms 185.112.28.10
13 2026-08-25 04:50 639232296255744174
24 ms 185.112.28.10
12 2026-08-25 04:33 639232286095760789
4 ms 185.112.28.10
11 2026-08-25 04:16 639232276086186273
3 ms 185.112.28.10
10 2026-08-25 04:00 639232265900986425
51 ms 185.112.28.10
9 2026-08-25 03:43 639232255723518075
635 ms 185.112.28.10
8 2026-08-25 03:26 639232245484452890
18 ms 185.112.28.10
7 2026-08-25 03:09 639232235157175331
3 ms 185.112.28.10
6 2026-08-25 02:15 639232203197189095
41 ms 185.112.28.10
5 2026-08-25 01:58 639232192844564298
58 ms 185.112.28.10
4 2026-08-25 01:41 639232182496008942
630 ms 185.112.28.10
3 2026-08-25 01:24 639232172197053132
4065 ms 185.112.28.10
2 2026-08-25 00:30 639232140250307418
44 ms 185.112.28.10
1 2026-08-25 00:13 639232129927860324
2 ms 185.112.28.10