DNS response history for ns1.fastinternet.cz

ns1.fastinternet.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 39 DNS check records, 39 successful responses, 0 failed responses, and 197 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 ns1.fastinternet.cz.
Records on Selected Date

39

Historical checks stored for this nameserver on selected date

Average Latency

197 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 13:22

All timestamps shown in UTC

Latest Resolved IP on Selected Date

81.31.42.40

Most recently resolved hosting IP on selected date

Successful Responses

39

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 ns1.fastinternet.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
39 2026-08-25 13:22 639232608016476376
42 ms 81.31.42.40
38 2026-08-25 13:05 639232597643611557
48 ms 81.31.42.40
37 2026-08-25 12:47 639232587225721862
76 ms 81.31.42.40
36 2026-08-25 12:30 639232576780683689
52 ms 81.31.42.40
35 2026-08-25 12:13 639232566381512620
29 ms 81.31.42.40
34 2026-08-25 11:56 639232556111768563
54 ms 81.31.42.40
33 2026-08-25 11:38 639232545839529039
34 ms 81.31.42.40
32 2026-08-25 11:21 639232535349285207
57 ms 81.31.42.40
31 2026-08-25 11:04 639232524938080723
2279 ms 81.31.42.40
30 2026-08-25 10:10 639232492740373468
18 ms 81.31.42.40
29 2026-08-25 09:53 639232482235303141
20 ms 81.31.42.40
28 2026-08-25 09:35 639232471861770303
2019 ms 81.31.42.40
27 2026-08-25 09:18 639232461630217327
9 ms 81.31.42.40
26 2026-08-25 09:01 639232451282965990
29 ms 81.31.42.40
25 2026-08-25 08:43 639232440814614938
52 ms 81.31.42.40
24 2026-08-25 08:26 639232430410720425
5 ms 81.31.42.40
23 2026-08-25 08:09 639232420003096185
4 ms 81.31.42.40
22 2026-08-25 07:51 639232409467287444
116 ms 81.31.42.40
21 2026-08-25 07:34 639232399077195997
7 ms 81.31.42.40
20 2026-08-25 07:17 639232388731528337
26 ms 81.31.42.40
19 2026-08-25 06:59 639232378288598612
55 ms 81.31.42.40
18 2026-08-25 06:06 639232346196373643
9 ms 81.31.42.40
17 2026-08-25 05:49 639232336112370741
32 ms 81.31.42.40
16 2026-08-25 05:32 639232326146508970
35 ms 81.31.42.40
15 2026-08-25 05:16 639232316189381720
3 ms 81.31.42.40
14 2026-08-25 04:59 639232306217998913
64 ms 81.31.42.40
13 2026-08-25 04:43 639232296255744174
37 ms 81.31.42.40
12 2026-08-25 04:26 639232286095760789
45 ms 81.31.42.40
11 2026-08-25 04:09 639232276086186273
2027 ms 81.31.42.40
10 2026-08-25 03:52 639232265900986425
18 ms 81.31.42.40
9 2026-08-25 03:35 639232255723518075
48 ms 81.31.42.40
8 2026-08-25 03:18 639232245484452890
21 ms 81.31.42.40
7 2026-08-25 03:01 639232235157175331
19 ms 81.31.42.40
6 2026-08-25 02:07 639232203197189095
86 ms 81.31.42.40
5 2026-08-25 01:50 639232192844564298
44 ms 81.31.42.40
4 2026-08-25 01:33 639232182496008942
40 ms 81.31.42.40
3 2026-08-25 01:16 639232172197053132
30 ms 81.31.42.40
2 2026-08-25 00:22 639232140250307418
38 ms 81.31.42.40
1 2026-08-25 00:05 639232129927860324
50 ms 81.31.42.40