DNS response history for ns01.fletschtec.de

ns01.fletschtec.de 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 2026-08-21. For this date, NameServerHistory found 73 DNS check records, 70 successful responses, 3 failed responses, and 244 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 ns01.fletschtec.de.
Records on Selected Date

73

Historical checks stored for this nameserver on selected date

Average Latency

244 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-21 23:48

All timestamps shown in UTC

Latest Resolved IP on Selected Date

148.251.129.75

Most recently resolved hosting IP on selected date

Successful Responses

70

Checks that returned a measurable response

Failed Responses

3

Checks with no response or no returned latency

Failure Rate

4%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ns01.fletschtec.de

Showing DNS history for 2026-08-21 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
73 2026-08-21 23:48 639229527598660841
24 ms 148.251.129.75
72 2026-08-21 23:32 639229517954323214
-
71 2026-08-21 23:16 639229508269999021
21 ms 148.251.129.75
70 2026-08-21 23:00 639229498559060171
36 ms 148.251.129.75
69 2026-08-21 22:43 639229488519347586
23 ms 148.251.129.75
68 2026-08-21 21:50 639229456606578934
33 ms 148.251.129.75
67 2026-08-21 21:34 639229446985772499
2033 ms 148.251.129.75
66 2026-08-21 21:18 639229437367313098
38 ms 148.251.129.75
65 2026-08-21 21:02 639229427923950391
172 ms 148.251.129.75
64 2026-08-21 20:46 639229418168588854
29 ms 148.251.129.75
63 2026-08-21 20:29 639229408345678334
31 ms 148.251.129.75
62 2026-08-21 20:13 639229398616354648
32 ms 148.251.129.75
61 2026-08-21 19:57 639229388634592323
30 ms 148.251.129.75
60 2026-08-21 19:40 639229378792837692
20 ms 148.251.129.75
59 2026-08-21 19:24 639229369154682311
21 ms 148.251.129.75
58 2026-08-21 19:08 639229359248017926
-
57 2026-08-21 18:51 639229349124294642
54 ms 148.251.129.75
56 2026-08-21 17:58 639229317791715692
19 ms 148.251.129.75
55 2026-08-21 17:42 639229308115194575
52 ms 148.251.129.75
54 2026-08-21 17:26 639229298320320558
37 ms 148.251.129.75
53 2026-08-21 17:10 639229288674863221
65 ms 148.251.129.75
52 2026-08-21 16:54 639229278983677079
22 ms 148.251.129.75
51 2026-08-21 16:38 639229269405517175
16 ms 148.251.129.75
50 2026-08-21 16:21 639229259594798244
19 ms 148.251.129.75
49 2026-08-21 16:05 639229249736681188
41 ms 148.251.129.75
48 2026-08-21 15:48 639229239699417787
25 ms 148.251.129.75
47 2026-08-21 15:32 639229229621964033
22 ms 148.251.129.75
46 2026-08-21 15:15 639229219567270965
35 ms 148.251.129.75
45 2026-08-21 14:58 639229209406666856
35 ms 148.251.129.75
44 2026-08-21 14:05 639229177815876178
23 ms 148.251.129.75
43 2026-08-21 13:49 639229168243572685
57 ms 148.251.129.75
42 2026-08-21 13:33 639229158599856475
39 ms 148.251.129.75
41 2026-08-21 13:17 639229148998940902
29 ms 148.251.129.75
40 2026-08-21 13:01 639229139276923594
2069 ms 148.251.129.75
39 2026-08-21 12:45 639229129709912394
52 ms 148.251.129.75
38 2026-08-21 12:29 639229119801488500
2030 ms 148.251.129.75
37 2026-08-21 12:12 639229110135262458
2025 ms 148.251.129.75
36 2026-08-21 11:56 639229100336051392
142 ms 148.251.129.75
35 2026-08-21 11:40 639229090641415626
16 ms 148.251.129.75
34 2026-08-21 11:23 639229080702683947
32 ms 148.251.129.75
33 2026-08-21 11:07 639229070601456699
25 ms 148.251.129.75
32 2026-08-21 10:14 639229038947447232
36 ms 148.251.129.75
31 2026-08-21 09:58 639229029268708773
20 ms 148.251.129.75
30 2026-08-21 09:42 639229019647910603
33 ms 148.251.129.75
29 2026-08-21 09:25 639229009983843738
28 ms 148.251.129.75
28 2026-08-21 09:09 639229000203331882
68 ms 148.251.129.75
27 2026-08-21 08:53 639228990302335999
89 ms 148.251.129.75
26 2026-08-21 08:36 639228980567740722
145 ms 148.251.129.75
25 2026-08-21 08:20 639228970762445174
46 ms 148.251.129.75
24 2026-08-21 08:04 639228961065054445
26 ms 148.251.129.75
23 2026-08-21 07:48 639228951224649885
46 ms 148.251.129.75
22 2026-08-21 07:31 639228941303864592
35 ms 148.251.129.75
21 2026-08-21 07:14 639228931191328583
141 ms 148.251.129.75
20 2026-08-21 06:21 639228899518173317
23 ms 148.251.129.75
19 2026-08-21 06:05 639228889785027669
2015 ms 148.251.129.75
18 2026-08-21 05:49 639228880106330161
-
17 2026-08-21 05:33 639228870316184091
26 ms 148.251.129.75
16 2026-08-21 05:17 639228860695366512
2112 ms 148.251.129.75
15 2026-08-21 05:01 639228851027209500
90 ms 148.251.129.75
14 2026-08-21 04:45 639228841479265462
27 ms 148.251.129.75
13 2026-08-21 04:28 639228831752962260
43 ms 148.251.129.75
12 2026-08-21 04:12 639228821953295483
20 ms 148.251.129.75
11 2026-08-21 03:56 639228812227429953
30 ms 148.251.129.75
10 2026-08-21 03:40 639228802476107538
60 ms 148.251.129.75
9 2026-08-21 03:23 639228792525492032
15 ms 148.251.129.75
8 2026-08-21 02:31 639228761131421385
2044 ms 148.251.129.75
7 2026-08-21 02:15 639228751571206692
100 ms 148.251.129.75
6 2026-08-21 01:58 639228741705571019
13 ms 148.251.129.75
5 2026-08-21 01:42 639228731642208228
15 ms 148.251.129.75
4 2026-08-21 00:49 639228700387002072
56 ms 148.251.129.75
3 2026-08-21 00:33 639228690742014433
78 ms 148.251.129.75
2 2026-08-21 00:17 639228680877937122
33 ms 148.251.129.75
1 2026-08-21 00:00 639228670775860800
33 ms 148.251.129.75