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 2026-08-30. For this date, NameServerHistory found 72 DNS check records, 72 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 4.ctekns.ch.
Records on Selected Date

72

Historical checks stored for this nameserver on selected date

Average Latency

197 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-30 23:44

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

72

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 4.ctekns.ch

Showing DNS history for 2026-08-30 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
72 2026-08-30 23:44 639237299786658397
24 ms 205.251.197.219
71 2026-08-30 23:27 639237289498523667
2106 ms 205.251.197.219
70 2026-08-30 23:10 639237279386851363
5 ms 205.251.197.219
69 2026-08-30 22:54 639237269255729708
43 ms 205.251.197.219
68 2026-08-30 22:36 639237258831204354
25 ms 205.251.197.219
67 2026-08-30 22:19 639237248443221172
11 ms 205.251.197.219
66 2026-08-30 21:26 639237216494073151
42 ms 205.251.197.219
65 2026-08-30 21:09 639237206388572253
11 ms 205.251.197.219
64 2026-08-30 20:52 639237196292015951
3 ms 205.251.197.219
63 2026-08-30 20:35 639237186084150891
47 ms 205.251.197.219
62 2026-08-30 20:18 639237175762412232
32 ms 205.251.197.219
61 2026-08-30 20:01 639237165682654803
11 ms 205.251.197.219
60 2026-08-30 19:44 639237155472501164
12 ms 205.251.197.219
59 2026-08-30 19:27 639237145214619953
2013 ms 205.251.197.219
58 2026-08-30 19:10 639237134816906963
2038 ms 205.251.197.219
57 2026-08-30 18:52 639237124591343541
41 ms 205.251.197.219
56 2026-08-30 18:35 639237114243099765
88 ms 205.251.197.219
55 2026-08-30 18:18 639237103865174052
27 ms 205.251.197.219
54 2026-08-30 17:25 639237072062599712
26 ms 205.251.197.219
53 2026-08-30 17:08 639237062090595638
24 ms 205.251.197.219
52 2026-08-30 16:51 639237052076426119
18 ms 205.251.197.219
51 2026-08-30 16:35 639237042059539260
6 ms 205.251.197.219
50 2026-08-30 16:18 639237031962634816
37 ms 205.251.197.219
49 2026-08-30 16:01 639237021754634200
32 ms 205.251.197.219
48 2026-08-30 15:44 639237011506593617
29 ms 205.251.197.219
47 2026-08-30 15:27 639237001261956475
53 ms 205.251.197.219
46 2026-08-30 15:10 639236991144138400
39 ms 205.251.197.219
45 2026-08-30 14:53 639236981087883451
29 ms 205.251.197.219
44 2026-08-30 14:36 639236970808543176
44 ms 205.251.197.219
43 2026-08-30 14:19 639236960498194193
12 ms 205.251.197.219
42 2026-08-30 13:26 639236928433577921
7 ms 205.251.197.219
41 2026-08-30 13:09 639236918429703736
28 ms 205.251.197.219
40 2026-08-30 12:52 639236908230327486
19 ms 205.251.197.219
39 2026-08-30 12:35 639236898168597833
7 ms 205.251.197.219
38 2026-08-30 12:18 639236888142648178
35 ms 205.251.197.219
37 2026-08-30 12:02 639236878057367680
40 ms 205.251.197.219
36 2026-08-30 11:45 639236867916029489
8 ms 205.251.197.219
35 2026-08-30 11:28 639236858088772005
19 ms 205.251.197.219
34 2026-08-30 11:11 639236848158742395
13 ms 205.251.197.219
33 2026-08-30 10:55 639236838137395574
150 ms 205.251.197.219
32 2026-08-30 10:38 639236827967386881
24 ms 205.251.197.219
31 2026-08-30 10:21 639236817708615077
52 ms 205.251.197.219
30 2026-08-30 09:28 639236785770651804
2023 ms 205.251.197.219
29 2026-08-30 09:11 639236775820686373
10 ms 205.251.197.219
28 2026-08-30 08:54 639236765768339082
14 ms 205.251.197.219
27 2026-08-30 08:37 639236755602384085
13 ms 205.251.197.219
26 2026-08-30 08:21 639236745600094925
14 ms 205.251.197.219
25 2026-08-30 08:04 639236735311262753
59 ms 205.251.197.219
24 2026-08-30 07:46 639236724996745235
25 ms 205.251.197.219
23 2026-08-30 07:29 639236714839899761
2043 ms 205.251.197.219
22 2026-08-30 07:13 639236704748431488
44 ms 205.251.197.219
21 2026-08-30 06:55 639236694430128550
38 ms 205.251.197.219
20 2026-08-30 06:38 639236684143292417
6 ms 205.251.197.219
19 2026-08-30 06:21 639236673972499943
23 ms 205.251.197.219
18 2026-08-30 05:28 639236642126522802
45 ms 205.251.197.219
17 2026-08-30 05:12 639236632183518198
32 ms 205.251.197.219
16 2026-08-30 04:55 639236622289312589
59 ms 205.251.197.219
15 2026-08-30 04:39 639236612490676525
25 ms 205.251.197.219
14 2026-08-30 04:22 639236602582494852
5 ms 205.251.197.219
13 2026-08-30 04:06 639236592511706469
7 ms 205.251.197.219
12 2026-08-30 03:49 639236582441006869
75 ms 205.251.197.219
11 2026-08-30 03:32 639236572478785089
8 ms 205.251.197.219
10 2026-08-30 03:16 639236562556749999
17 ms 205.251.197.219
9 2026-08-30 02:59 639236552353482281
19 ms 205.251.197.219
8 2026-08-30 02:42 639236542188881607
11 ms 205.251.197.219
7 2026-08-30 02:25 639236531885440105
42 ms 205.251.197.219
6 2026-08-30 01:31 639236499922985383
9 ms 205.251.197.219
5 2026-08-30 01:14 639236489713594431
2062 ms 205.251.197.219
4 2026-08-30 00:58 639236479750443901
18 ms 205.251.197.219
3 2026-08-30 00:41 639236469719936375
47 ms 205.251.197.219
2 2026-08-30 00:24 639236459579244885
5 ms 205.251.197.219
1 2026-08-30 00:07 639236449582837549
32 ms 205.251.197.219