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 2026-09-21. For this date, NameServerHistory found 62 DNS check records, 61 successful responses, 1 failed responses, and 123 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

62

Historical checks stored for this nameserver on selected date

Average Latency

123 ms

Calculated from available response records

Latest Check on Selected Date

2026-09-21 23:48

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

61

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 2026-09-21 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
62 2026-09-21 23:48 639256309820104327
19 ms 205.251.197.219
61 2026-09-21 23:29 639256298537354683
10 ms 205.251.197.219
60 2026-09-21 23:10 639256287094769602
43 ms 205.251.197.219
59 2026-09-21 22:51 639256275492492216
23 ms 205.251.197.219
58 2026-09-21 22:32 639256263994545448
6 ms 205.251.197.219
57 2026-09-21 21:38 639256231533755958
2 ms 205.251.197.219
56 2026-09-21 21:18 639256219987250315
42 ms 205.251.197.219
55 2026-09-21 20:59 639256208525505299
33 ms 205.251.197.219
54 2026-09-21 20:40 639256197052136004
6 ms 205.251.197.219
53 2026-09-21 20:21 639256185557959767
-
52 2026-09-21 20:02 639256174148828712
7 ms 205.251.197.219
51 2026-09-21 19:43 639256162712082199
4 ms 205.251.197.219
50 2026-09-21 19:24 639256151170368066
47 ms 205.251.197.219
49 2026-09-21 19:05 639256139678645188
17 ms 205.251.197.219
48 2026-09-21 18:45 639256128169025568
16 ms 205.251.197.219
47 2026-09-21 18:26 639256116666484764
8 ms 205.251.197.219
46 2026-09-21 18:07 639256104979810668
51 ms 205.251.197.219
45 2026-09-21 17:11 639256071322182683
8 ms 205.251.197.219
44 2026-09-21 16:51 639256059728330922
8 ms 205.251.197.219
43 2026-09-21 16:32 639256048040642893
10 ms 205.251.197.219
42 2026-09-21 16:13 639256036487383549
122 ms 205.251.197.219
41 2026-09-21 15:53 639256024854163008
2011 ms 205.251.197.219
40 2026-09-21 15:34 639256013332650102
83 ms 205.251.197.219
39 2026-09-21 15:15 639256001806273778
31 ms 205.251.197.219
38 2026-09-21 14:55 639255990246287391
6 ms 205.251.197.219
37 2026-09-21 14:36 639255978611857683
28 ms 205.251.197.219
36 2026-09-21 14:17 639255966951046185
6 ms 205.251.197.219
35 2026-09-21 13:57 639255955322433509
8 ms 205.251.197.219
34 2026-09-21 13:37 639255943453236101
8 ms 205.251.197.219
33 2026-09-21 12:42 639255910030962790
13 ms 205.251.197.219
32 2026-09-21 12:22 639255898511439161
7 ms 205.251.197.219
31 2026-09-21 12:03 639255886878095312
18 ms 205.251.197.219
30 2026-09-21 11:44 639255875060307573
11 ms 205.251.197.219
29 2026-09-21 11:24 639255863490857981
27 ms 205.251.197.219
28 2026-09-21 11:05 639255851721448338
24 ms 205.251.197.219
27 2026-09-21 10:45 639255839679103545
45 ms 205.251.197.219
26 2026-09-21 10:25 639255828247796464
15 ms 205.251.197.219
25 2026-09-21 10:06 639255816806553287
5 ms 205.251.197.219
24 2026-09-21 09:47 639255805400111883
64 ms 205.251.197.219
23 2026-09-21 09:28 639255793953130602
34 ms 205.251.197.219
22 2026-09-21 09:09 639255782543344474
23 ms 205.251.197.219
21 2026-09-21 08:15 639255749773496328
6 ms 205.251.197.219
20 2026-09-21 07:56 639255738373951282
36 ms 205.251.197.219
19 2026-09-21 07:37 639255727076193359
22 ms 205.251.197.219
18 2026-09-21 07:18 639255715698695294
11 ms 205.251.197.219
17 2026-09-21 06:59 639255704300274584
2061 ms 205.251.197.219
16 2026-09-21 06:40 639255693323733757
50 ms 205.251.197.219
15 2026-09-21 06:22 639255682067091718
2 ms 205.251.197.219
14 2026-09-21 06:03 639255670663733681
5 ms 205.251.197.219
13 2026-09-21 05:44 639255659332534691
13 ms 205.251.197.219
12 2026-09-21 05:25 639255648122324752
46 ms 205.251.197.219
11 2026-09-21 05:06 639255636846833450
13 ms 205.251.197.219
10 2026-09-21 04:48 639255625532369179
28 ms 205.251.197.219
9 2026-09-21 03:53 639255592798895588
34 ms 205.251.197.219
8 2026-09-21 03:34 639255581418057198
16 ms 205.251.197.219
7 2026-09-21 03:15 639255569944193134
73 ms 205.251.197.219
6 2026-09-21 02:56 639255558324046323
19 ms 205.251.197.219
5 2026-09-21 02:02 639255525909369586
2020 ms 205.251.197.219
4 2026-09-21 01:43 639255514730690333
27 ms 205.251.197.219
3 2026-09-21 01:24 639255503500210911
28 ms 205.251.197.219
2 2026-09-21 01:06 639255492209379480
31 ms 205.251.197.219
1 2026-09-21 00:12 639255460259983703
2 ms 205.251.197.219