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 2026-09-12. For this date, NameServerHistory found 55 DNS check records, 55 successful responses, 0 failed responses, and 318 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

318 ms

Calculated from available response records

Latest Check on Selected Date

2026-09-12 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

55

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 2026-09-12 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 2026-09-12 23:50 639248534831492016
17 ms 205.251.197.219
54 2026-09-12 23:32 639248524136180479
3 ms 205.251.197.219
53 2026-09-12 23:14 639248513519697393
3 ms 205.251.197.219
52 2026-09-12 22:56 639248502781769653
56 ms 205.251.197.219
51 2026-09-12 22:03 639248470563535257
60 ms 205.251.197.219
50 2026-09-12 21:45 639248459777243091
20 ms 205.251.197.219
49 2026-09-12 21:26 639248448624333290
42 ms 205.251.197.219
48 2026-09-12 21:08 639248437629618699
6 ms 205.251.197.219
47 2026-09-12 20:14 639248405505066761
4019 ms 205.251.197.219
46 2026-09-12 19:56 639248394675813808
18 ms 205.251.197.219
45 2026-09-12 19:38 639248383741935221
2030 ms 205.251.197.219
44 2026-09-12 19:20 639248372787289274
15 ms 205.251.197.219
43 2026-09-12 18:26 639248340728719508
25 ms 205.251.197.219
42 2026-09-12 18:08 639248329887324448
10 ms 205.251.197.219
41 2026-09-12 17:50 639248319091933572
34 ms 205.251.197.219
40 2026-09-12 17:32 639248308084724434
22 ms 205.251.197.219
39 2026-09-12 16:38 639248275684094413
2028 ms 205.251.197.219
38 2026-09-12 16:20 639248264721183573
25 ms 205.251.197.219
37 2026-09-12 16:01 639248253858641583
28 ms 205.251.197.219
36 2026-09-12 15:43 639248242844400479
47 ms 205.251.197.219
35 2026-09-12 14:50 639248210812678631
42 ms 205.251.197.219
34 2026-09-12 14:32 639248199981056573
32 ms 205.251.197.219
33 2026-09-12 14:14 639248189127191059
37 ms 205.251.197.219
32 2026-09-12 13:56 639248178393057989
47 ms 205.251.197.219
31 2026-09-12 13:02 639248145865989989
28 ms 205.251.197.219
30 2026-09-12 12:43 639248135070184994
28 ms 205.251.197.219
29 2026-09-12 12:25 639248124242482947
2056 ms 205.251.197.219
28 2026-09-12 12:07 639248113326254050
4 ms 205.251.197.219
27 2026-09-12 11:14 639248081284720320
2025 ms 205.251.197.219
26 2026-09-12 10:56 639248070610080100
8 ms 205.251.197.219
25 2026-09-12 10:38 639248059987606544
7 ms 205.251.197.219
24 2026-09-12 10:20 639248049012836532
24 ms 205.251.197.219
23 2026-09-12 09:27 639248017319807699
9 ms 205.251.197.219
22 2026-09-12 09:10 639248006789682105
18 ms 205.251.197.219
21 2026-09-12 08:52 639247996055221415
124 ms 205.251.197.219
20 2026-09-12 08:34 639247985400968087
13 ms 205.251.197.219
19 2026-09-12 07:41 639247953523954367
41 ms 205.251.197.219
18 2026-09-12 07:23 639247943045978703
3 ms 205.251.197.219
17 2026-09-12 07:05 639247932245768733
2086 ms 205.251.197.219
16 2026-09-12 06:47 639247921467566374
5 ms 205.251.197.219
15 2026-09-12 05:54 639247889513339838
13 ms 205.251.197.219
14 2026-09-12 05:37 639247879061592883
20 ms 205.251.197.219
13 2026-09-12 05:19 639247868463659584
5 ms 205.251.197.219
12 2026-09-12 05:01 639247857873575593
12 ms 205.251.197.219
11 2026-09-12 04:09 639247826230208492
27 ms 205.251.197.219
10 2026-09-12 03:52 639247816049053942
3 ms 205.251.197.219
9 2026-09-12 03:34 639247805631354297
28 ms 205.251.197.219
8 2026-09-12 03:17 639247795079044620
8 ms 205.251.197.219
7 2026-09-12 02:25 639247763881495922
25 ms 205.251.197.219
6 2026-09-12 02:07 639247753623238775
2070 ms 205.251.197.219
5 2026-09-12 01:50 639247743185587272
44 ms 205.251.197.219
4 2026-09-12 01:33 639247732650806844
32 ms 205.251.197.219
3 2026-09-12 00:39 639247700722010820
11 ms 205.251.197.219
2 2026-09-12 00:23 639247690637592462
30 ms 205.251.197.219
1 2026-09-12 00:06 639247680444994835
10 ms 205.251.197.219