DNS response history for ns1.fiber.cz

ns1.fiber.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 46 DNS check records, 46 successful responses, 0 failed responses, and 261 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.fiber.cz.
Records on Selected Date

46

Historical checks stored for this nameserver on selected date

Average Latency

261 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 16:05

All timestamps shown in UTC

Latest Resolved IP on Selected Date

217.28.80.1

Most recently resolved hosting IP on selected date

Successful Responses

46

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.fiber.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
46 2026-08-25 16:05 639232703065318207
2049 ms 217.28.80.1
45 2026-08-25 15:48 639232692629559470
27 ms 217.28.80.1
44 2026-08-25 15:30 639232682238836475
31 ms 217.28.80.1
43 2026-08-25 15:13 639232671787004306
38 ms 217.28.80.1
42 2026-08-25 14:18 639232638994329666
44 ms 217.28.80.1
41 2026-08-25 14:01 639232628614783237
30 ms 217.28.80.1
40 2026-08-25 13:44 639232618360728578
45 ms 217.28.80.1
39 2026-08-25 13:27 639232608016476376
4022 ms 217.28.80.1
38 2026-08-25 13:09 639232597643611557
32 ms 217.28.80.1
37 2026-08-25 12:52 639232587225721862
42 ms 217.28.80.1
36 2026-08-25 12:35 639232576780683689
59 ms 217.28.80.1
35 2026-08-25 12:17 639232566381512620
40 ms 217.28.80.1
34 2026-08-25 12:00 639232556111768563
52 ms 217.28.80.1
33 2026-08-25 11:43 639232545839529039
42 ms 217.28.80.1
32 2026-08-25 11:25 639232535349285207
36 ms 217.28.80.1
31 2026-08-25 11:08 639232524938080723
24 ms 217.28.80.1
30 2026-08-25 10:14 639232492740373468
44 ms 217.28.80.1
29 2026-08-25 09:57 639232482235303141
17 ms 217.28.80.1
28 2026-08-25 09:39 639232471861770303
42 ms 217.28.80.1
27 2026-08-25 09:22 639232461630217327
5 ms 217.28.80.1
26 2026-08-25 09:05 639232451282965990
53 ms 217.28.80.1
25 2026-08-25 08:48 639232440814614938
43 ms 217.28.80.1
24 2026-08-25 08:30 639232430410720425
17 ms 217.28.80.1
23 2026-08-25 08:13 639232420003096185
43 ms 217.28.80.1
22 2026-08-25 07:56 639232409467287444
176 ms 217.28.80.1
21 2026-08-25 07:38 639232399077195997
22 ms 217.28.80.1
20 2026-08-25 07:21 639232388731528337
57 ms 217.28.80.1
19 2026-08-25 07:04 639232378288598612
19 ms 217.28.80.1
18 2026-08-25 06:10 639232346196373643
32 ms 217.28.80.1
17 2026-08-25 05:53 639232336112370741
34 ms 217.28.80.1
16 2026-08-25 05:37 639232326146508970
24 ms 217.28.80.1
15 2026-08-25 05:20 639232316189381720
107 ms 217.28.80.1
14 2026-08-25 05:04 639232306217998913
19 ms 217.28.80.1
13 2026-08-25 04:47 639232296255744174
27 ms 217.28.80.1
12 2026-08-25 04:30 639232286095760789
42 ms 217.28.80.1
11 2026-08-25 04:13 639232276086186273
34 ms 217.28.80.1
10 2026-08-25 03:56 639232265900986425
28 ms 217.28.80.1
9 2026-08-25 03:39 639232255723518075
43 ms 217.28.80.1
8 2026-08-25 03:22 639232245484452890
2195 ms 217.28.80.1
7 2026-08-25 03:05 639232235157175331
17 ms 217.28.80.1
6 2026-08-25 02:12 639232203197189095
44 ms 217.28.80.1
5 2026-08-25 01:55 639232192844564298
62 ms 217.28.80.1
4 2026-08-25 01:37 639232182496008942
37 ms 217.28.80.1
3 2026-08-25 01:20 639232172197053132
51 ms 217.28.80.1
2 2026-08-25 00:27 639232140250307418
28 ms 217.28.80.1
1 2026-08-25 00:10 639232129927860324
2028 ms 217.28.80.1