DNS response history for 4.ctekns.ch

4.ctekns.ch 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 2026-09-09. For this date, NameServerHistory found 68 DNS check records, 66 successful responses, 2 failed responses, and 148 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 4.ctekns.ch.
Records on Selected Date

68

Historical checks stored for this nameserver on selected date

Average Latency

148 ms

Calculated from available response records

Latest Check on Selected Date

2026-09-09 23:30

All timestamps shown in UTC

Latest Resolved IP on Selected Date

205.251.197.219

Most recently resolved hosting IP on selected date

Successful Responses

66

Checks that returned a measurable response

Failed Responses

2

Checks with no response or no returned latency

Failure Rate

3%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for 4.ctekns.ch

Showing DNS history for 2026-09-09 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
68 2026-09-09 23:30 639245931212566726
22 ms 205.251.197.219
67 2026-09-09 23:13 639245920904001366
27 ms 205.251.197.219
66 2026-09-09 22:56 639245910502013346
5 ms 205.251.197.219
65 2026-09-09 22:38 639245900156298673
14 ms 205.251.197.219
64 2026-09-09 22:21 639245889603010923
4 ms 205.251.197.219
63 2026-09-09 22:03 639245879252121930
29 ms 205.251.197.219
62 2026-09-09 21:46 639245868608366427
34 ms 205.251.197.219
61 2026-09-09 21:28 639245858226595142
4 ms 205.251.197.219
60 2026-09-09 21:11 639245847063660135
-
59 2026-09-09 20:52 639245836432421122
16 ms 205.251.197.219
58 2026-09-09 20:34 639245825706220582
4 ms 205.251.197.219
57 2026-09-09 20:17 639245814933292306
15 ms 205.251.197.219
56 2026-09-09 19:23 639245782800243505
40 ms 205.251.197.219
55 2026-09-09 19:05 639245772249079868
69 ms 205.251.197.219
54 2026-09-09 18:48 639245761732632443
4 ms 205.251.197.219
53 2026-09-09 18:30 639245751221812395
9 ms 205.251.197.219
52 2026-09-09 18:13 639245740695403496
13 ms 205.251.197.219
51 2026-09-09 17:55 639245730110302681
9 ms 205.251.197.219
50 2026-09-09 17:37 639245719424478578
23 ms 205.251.197.219
49 2026-09-09 17:20 639245708904092662
28 ms 205.251.197.219
48 2026-09-09 17:02 639245698372817565
2067 ms 205.251.197.219
47 2026-09-09 16:44 639245687625142495
47 ms 205.251.197.219
46 2026-09-09 16:26 639245676858038690
50 ms 205.251.197.219
45 2026-09-09 16:08 639245666028147181
35 ms 205.251.197.219
44 2026-09-09 15:14 639245633833609607
72 ms 205.251.197.219
43 2026-09-09 14:57 639245623155461897
9 ms 205.251.197.219
42 2026-09-09 14:39 639245612563748364
12 ms 205.251.197.219
41 2026-09-09 14:21 639245601859276224
4 ms 205.251.197.219
40 2026-09-09 14:04 639245591296990329
89 ms 205.251.197.219
39 2026-09-09 13:46 639245580522980203
69 ms 205.251.197.219
38 2026-09-09 13:28 639245569858418576
22 ms 205.251.197.219
37 2026-09-09 13:10 639245559163075487
5 ms 205.251.197.219
36 2026-09-09 12:52 639245548464245906
78 ms 205.251.197.219
35 2026-09-09 12:34 639245537755035386
-
34 2026-09-09 12:16 639245526865862975
41 ms 205.251.197.219
33 2026-09-09 11:58 639245516119858965
3 ms 205.251.197.219
32 2026-09-09 11:04 639245483770710147
22 ms 205.251.197.219
31 2026-09-09 10:47 639245473349762601
2043 ms 205.251.197.219
30 2026-09-09 10:29 639245462816304486
18 ms 205.251.197.219
29 2026-09-09 10:12 639245452432572619
20 ms 205.251.197.219
28 2026-09-09 09:54 639245441719644756
28 ms 205.251.197.219
27 2026-09-09 09:37 639245431238762256
7 ms 205.251.197.219
26 2026-09-09 09:19 639245420661830409
11 ms 205.251.197.219
25 2026-09-09 09:01 639245409552245337
7 ms 205.251.197.219
24 2026-09-09 08:43 639245398915742513
12 ms 205.251.197.219
23 2026-09-09 08:25 639245388453447756
35 ms 205.251.197.219
22 2026-09-09 08:08 639245377780078919
9 ms 205.251.197.219
21 2026-09-09 07:50 639245367047640002
6 ms 205.251.197.219
20 2026-09-09 06:57 639245335101733728
8 ms 205.251.197.219
19 2026-09-09 06:40 639245324976646949
54 ms 205.251.197.219
18 2026-09-09 06:22 639245314648048684
43 ms 205.251.197.219
17 2026-09-09 06:05 639245304301814441
2 ms 205.251.197.219
16 2026-09-09 05:48 639245293846811223
31 ms 205.251.197.219
15 2026-09-09 05:31 639245283554477918
18 ms 205.251.197.219
14 2026-09-09 05:13 639245273068572483
2022 ms 205.251.197.219
13 2026-09-09 04:56 639245262582206235
19 ms 205.251.197.219
12 2026-09-09 04:39 639245252344506644
20 ms 205.251.197.219
11 2026-09-09 04:21 639245241881428872
2048 ms 205.251.197.219
10 2026-09-09 04:04 639245231276634785
15 ms 205.251.197.219
9 2026-09-09 03:46 639245220451446154
29 ms 205.251.197.219
8 2026-09-09 02:53 639245188520957767
13 ms 205.251.197.219
7 2026-09-09 02:35 639245178068525029
9 ms 205.251.197.219
6 2026-09-09 02:17 639245167460690803
47 ms 205.251.197.219
5 2026-09-09 01:59 639245156762348578
27 ms 205.251.197.219
4 2026-09-09 01:06 639245124890616562
28 ms 205.251.197.219
3 2026-09-09 00:48 639245114225469847
69 ms 205.251.197.219
2 2026-09-09 00:31 639245103481721807
12 ms 205.251.197.219
1 2026-09-09 00:13 639245092761102720
69 ms 205.251.197.219