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 2026-09-16. For this date, NameServerHistory found 55 DNS check records, 54 successful responses, 1 failed responses, and 182 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

55

Historical checks stored for this nameserver on selected date

Average Latency

182 ms

Calculated from available response records

Latest Check on Selected Date

2026-09-16 23:50

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

54

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

2%

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 2026-09-16 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
55 2026-09-16 23:50 639251990838218597
78 ms 205.251.197.219
54 2026-09-16 23:31 639251979828973280
18 ms 205.251.197.219
53 2026-09-16 22:38 639251947769847057
27 ms 205.251.197.219
52 2026-09-16 22:20 639251936968897626
13 ms 205.251.197.219
51 2026-09-16 22:02 639251925968257318
2017 ms 205.251.197.219
50 2026-09-16 21:43 639251914845162855
2020 ms 205.251.197.219
49 2026-09-16 20:48 639251882033869451
3 ms 205.251.197.219
48 2026-09-16 20:30 639251871104773279
11 ms 205.251.197.219
47 2026-09-16 20:12 639251859967489988
16 ms 205.251.197.219
46 2026-09-16 19:53 639251848861971359
8 ms 205.251.197.219
45 2026-09-16 18:59 639251816408299593
15 ms 205.251.197.219
44 2026-09-16 18:41 639251805437708722
17 ms 205.251.197.219
43 2026-09-16 18:22 639251794169201681
10 ms 205.251.197.219
42 2026-09-16 18:03 639251783077613004
30 ms 205.251.197.219
41 2026-09-16 17:09 639251750583854014
164 ms 205.251.197.219
40 2026-09-16 16:51 639251739670205321
34 ms 205.251.197.219
39 2026-09-16 16:33 639251728659315076
17 ms 205.251.197.219
38 2026-09-16 16:14 639251717362201652
16 ms 205.251.197.219
37 2026-09-16 15:19 639251684392907466
18 ms 205.251.197.219
36 2026-09-16 15:01 639251673367410449
28 ms 205.251.197.219
35 2026-09-16 14:42 639251662123538055
63 ms 205.251.197.219
34 2026-09-16 14:23 639251650823306870
27 ms 205.251.197.219
33 2026-09-16 13:29 639251618283516167
204 ms 205.251.197.219
32 2026-09-16 13:10 639251607379542512
18 ms 205.251.197.219
31 2026-09-16 12:52 639251596333324771
61 ms 205.251.197.219
30 2026-09-16 12:33 639251585046029748
43 ms 205.251.197.219
29 2026-09-16 11:39 639251552650514786
4017 ms 205.251.197.219
28 2026-09-16 11:21 639251541616354366
39 ms 205.251.197.219
27 2026-09-16 11:03 639251530617960028
13 ms 205.251.197.219
26 2026-09-16 10:44 639251519477948125
11 ms 205.251.197.219
25 2026-09-16 09:50 639251486885296746
66 ms 205.251.197.219
24 2026-09-16 09:32 639251475903552470
16 ms 205.251.197.219
23 2026-09-16 09:13 639251464842274549
4 ms 205.251.197.219
22 2026-09-16 08:54 639251453717945420
5 ms 205.251.197.219
21 2026-09-16 08:01 639251421398552718
128 ms 205.251.197.219
20 2026-09-16 07:43 639251410645405260
67 ms 205.251.197.219
19 2026-09-16 07:24 639251399606828481
10 ms 205.251.197.219
18 2026-09-16 07:06 639251388703444583
12 ms 205.251.197.219
17 2026-09-16 06:13 639251356441364469
118 ms 205.251.197.219
16 2026-09-16 05:55 639251345675088309
40 ms 205.251.197.219
15 2026-09-16 05:37 639251334785474632
53 ms 205.251.197.219
14 2026-09-16 05:18 639251323683459570
12 ms 205.251.197.219
13 2026-09-16 04:24 639251291463406561
-
12 2026-09-16 04:07 639251280896368339
35 ms 205.251.197.219
11 2026-09-16 03:49 639251270166030222
40 ms 205.251.197.219
10 2026-09-16 03:31 639251259242595340
5 ms 205.251.197.219
9 2026-09-16 02:37 639251227067894338
36 ms 205.251.197.219
8 2026-09-16 02:20 639251216730545037
2 ms 205.251.197.219
7 2026-09-16 02:02 639251206203818540
2 ms 205.251.197.219
6 2026-09-16 01:45 639251195695549231
5 ms 205.251.197.219
5 2026-09-16 01:27 639251185155110102
3 ms 205.251.197.219
4 2026-09-16 01:09 639251174495279695
9 ms 205.251.197.219
3 2026-09-16 00:52 639251163858821284
39 ms 205.251.197.219
2 2026-09-16 00:34 639251153347498624
28 ms 205.251.197.219
1 2026-09-16 00:16 639251142548213739
18 ms 205.251.197.219