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 2026-09-18. For this date, NameServerHistory found 67 DNS check records, 67 successful responses, 0 failed responses, and 323 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

67

Historical checks stored for this nameserver on selected date

Average Latency

323 ms

Calculated from available response records

Latest Check on Selected Date

2026-09-18 23:07

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

67

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 2026-09-18 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
67 2026-09-18 23:07 639253693313380372
4030 ms 205.251.197.219
66 2026-09-18 22:49 639253682256484639
60 ms 205.251.197.219
65 2026-09-18 22:31 639253671563935055
9 ms 205.251.197.219
64 2026-09-18 22:13 639253660786723506
28 ms 205.251.197.219
63 2026-09-18 21:55 639253649716718371
26 ms 205.251.197.219
62 2026-09-18 21:36 639253638778890185
44 ms 205.251.197.219
61 2026-09-18 21:18 639253627985213842
7 ms 205.251.197.219
60 2026-09-18 21:00 639253616918239344
11 ms 205.251.197.219
59 2026-09-18 20:42 639253606023936070
59 ms 205.251.197.219
58 2026-09-18 20:23 639253594898374371
2050 ms 205.251.197.219
57 2026-09-18 20:05 639253583902154728
9 ms 205.251.197.219
56 2026-09-18 19:46 639253572492747784
2024 ms 205.251.197.219
55 2026-09-18 18:51 639253539564786055
18 ms 205.251.197.219
54 2026-09-18 18:33 639253528582073704
38 ms 205.251.197.219
53 2026-09-18 18:15 639253517723769413
226 ms 205.251.197.219
52 2026-09-18 17:56 639253506714667760
4 ms 205.251.197.219
51 2026-09-18 17:38 639253495703223240
2011 ms 205.251.197.219
50 2026-09-18 17:20 639253484776403679
5 ms 205.251.197.219
49 2026-09-18 17:01 639253473825999750
9 ms 205.251.197.219
48 2026-09-18 16:43 639253462674350862
12 ms 205.251.197.219
47 2026-09-18 16:24 639253451643537849
19 ms 205.251.197.219
46 2026-09-18 16:06 639253440699626150
10 ms 205.251.197.219
45 2026-09-18 15:48 639253429763021440
23 ms 205.251.197.219
44 2026-09-18 15:29 639253418454363295
136 ms 205.251.197.219
43 2026-09-18 14:35 639253385921634068
31 ms 205.251.197.219
42 2026-09-18 14:17 639253375034815672
25 ms 205.251.197.219
41 2026-09-18 13:58 639253363920244521
38 ms 205.251.197.219
40 2026-09-18 13:40 639253352750549583
49 ms 205.251.197.219
39 2026-09-18 13:21 639253341736226712
31 ms 205.251.197.219
38 2026-09-18 13:03 639253330693040083
70 ms 205.251.197.219
37 2026-09-18 12:44 639253319636287132
13 ms 205.251.197.219
36 2026-09-18 12:26 639253308423059667
11 ms 205.251.197.219
35 2026-09-18 12:08 639253297585511640
3 ms 205.251.197.219
34 2026-09-18 11:49 639253286366515560
4 ms 205.251.197.219
33 2026-09-18 11:30 639253275279194251
26 ms 205.251.197.219
32 2026-09-18 11:12 639253263962489204
25 ms 205.251.197.219
31 2026-09-18 10:18 639253231654858124
10 ms 205.251.197.219
30 2026-09-18 10:00 639253220731059718
8 ms 205.251.197.219
29 2026-09-18 09:41 639253209388725618
4 ms 205.251.197.219
28 2026-09-18 09:22 639253198248704715
6 ms 205.251.197.219
27 2026-09-18 09:04 639253187264879914
2046 ms 205.251.197.219
26 2026-09-18 08:43 639253174776452478
24 ms 205.251.197.219
25 2026-09-18 08:25 639253164033625655
11 ms 205.251.197.219
24 2026-09-18 08:07 639253153246568354
3 ms 205.251.197.219
23 2026-09-18 07:49 639253142383984958
7 ms 205.251.197.219
22 2026-09-18 07:31 639253131476520257
6 ms 205.251.197.219
21 2026-09-18 07:12 639253120408477482
127 ms 205.251.197.219
20 2026-09-18 06:53 639253108948576294
3755 ms 205.251.197.219
19 2026-09-18 05:59 639253076561400545
2 ms 205.251.197.219
18 2026-09-18 05:42 639253065908464411
5 ms 205.251.197.219
17 2026-09-18 05:24 639253055349965458
12 ms 205.251.197.219
16 2026-09-18 05:06 639253044778720620
2013 ms 205.251.197.219
15 2026-09-18 04:48 639253034014358336
4 ms 205.251.197.219
14 2026-09-18 04:31 639253023390185265
5 ms 205.251.197.219
13 2026-09-18 04:13 639253012833781325
40 ms 205.251.197.219
12 2026-09-18 03:55 639253002225708921
39 ms 205.251.197.219
11 2026-09-18 03:38 639252991726183446
3 ms 205.251.197.219
10 2026-09-18 03:20 639252980951744080
80 ms 205.251.197.219
9 2026-09-18 03:02 639252970092637083
106 ms 205.251.197.219
8 2026-09-18 02:44 639252959108252089
2031 ms 205.251.197.219
7 2026-09-18 01:50 639252927054060904
16 ms 205.251.197.219
6 2026-09-18 01:33 639252916567722282
7 ms 205.251.197.219
5 2026-09-18 01:15 639252905949352686
12 ms 205.251.197.219
4 2026-09-18 00:57 639252895324948705
13 ms 205.251.197.219
3 2026-09-18 00:39 639252884625061666
31 ms 205.251.197.219
2 2026-09-18 00:22 639252873954144313
7 ms 205.251.197.219
1 2026-09-18 00:04 639252863248504840
2 ms 205.251.197.219