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 2026-09-20. For this date, NameServerHistory found 53 DNS check records, 52 successful responses, 1 failed responses, and 217 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

53

Historical checks stored for this nameserver on selected date

Average Latency

217 ms

Calculated from available response records

Latest Check on Selected Date

2026-09-20 23:54

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

52

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 2026-09-20 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
53 2026-09-20 23:54 639255449110766799
34 ms 205.251.197.219
52 2026-09-20 23:35 639255437858174945
12 ms 205.251.197.219
51 2026-09-20 23:16 639255426668633945
22 ms 205.251.197.219
50 2026-09-20 22:22 639255393998641892
15 ms 205.251.197.219
49 2026-09-20 22:03 639255382763350055
11 ms 205.251.197.219
48 2026-09-20 21:44 639255371590771327
63 ms 205.251.197.219
47 2026-09-20 21:26 639255360493144620
16 ms 205.251.197.219
46 2026-09-20 20:32 639255327946546807
2037 ms 205.251.197.219
45 2026-09-20 20:13 639255316509472869
2042 ms 205.251.197.219
44 2026-09-20 19:54 639255305296515399
9 ms 205.251.197.219
43 2026-09-20 19:35 639255293876382255
22 ms 205.251.197.219
42 2026-09-20 18:41 639255261532296974
20 ms 205.251.197.219
41 2026-09-20 18:22 639255250359964328
23 ms 205.251.197.219
40 2026-09-20 18:04 639255239135113379
38 ms 205.251.197.219
39 2026-09-20 17:45 639255227915603082
44 ms 205.251.197.219
38 2026-09-20 16:50 639255195066841316
17 ms 205.251.197.219
37 2026-09-20 16:31 639255183762641506
4 ms 205.251.197.219
36 2026-09-20 16:13 639255172535308154
5 ms 205.251.197.219
35 2026-09-20 15:54 639255161061525345
59 ms 205.251.197.219
34 2026-09-20 14:59 639255128547921627
24 ms 205.251.197.219
33 2026-09-20 14:41 639255117376546889
98 ms 205.251.197.219
32 2026-09-20 14:22 639255106013230557
37 ms 205.251.197.219
31 2026-09-20 14:03 639255094690550579
19 ms 205.251.197.219
30 2026-09-20 13:09 639255062184341861
10 ms 205.251.197.219
29 2026-09-20 12:50 639255050996411157
10 ms 205.251.197.219
28 2026-09-20 12:32 639255039895497498
10 ms 205.251.197.219
27 2026-09-20 12:13 639255028619953279
16 ms 205.251.197.219
26 2026-09-20 11:19 639254996268726229
21 ms 205.251.197.219
25 2026-09-20 11:01 639254985270009630
10 ms 205.251.197.219
24 2026-09-20 10:42 639254974253372272
20 ms 205.251.197.219
23 2026-09-20 10:23 639254962735515684
2033 ms 205.251.197.219
22 2026-09-20 09:29 639254930600010558
2097 ms 205.251.197.219
21 2026-09-20 09:11 639254919680797082
5 ms 205.251.197.219
20 2026-09-20 08:53 639254908565714139
11 ms 205.251.197.219
19 2026-09-20 08:34 639254897494279291
35 ms 205.251.197.219
18 2026-09-20 07:41 639254865364810639
19 ms 205.251.197.219
17 2026-09-20 07:22 639254854454822308
8 ms 205.251.197.219
16 2026-09-20 07:04 639254843623682902
13 ms 205.251.197.219
15 2026-09-20 06:46 639254832691369734
31 ms 205.251.197.219
14 2026-09-20 05:53 639254800650644339
2045 ms 205.251.197.219
13 2026-09-20 05:35 639254789859781277
16 ms 205.251.197.219
12 2026-09-20 05:17 639254778964882170
41 ms 205.251.197.219
11 2026-09-20 04:58 639254767916579305
58 ms 205.251.197.219
10 2026-09-20 04:05 639254735944279790
9 ms 205.251.197.219
9 2026-09-20 03:47 639254724948776319
4 ms 205.251.197.219
8 2026-09-20 03:28 639254713868358688
13 ms 205.251.197.219
7 2026-09-20 03:10 639254702856007620
5 ms 205.251.197.219
6 2026-09-20 02:16 639254670717323104
4 ms 205.251.197.219
5 2026-09-20 01:58 639254659962356505
3 ms 205.251.197.219
4 2026-09-20 01:40 639254649071532430
23 ms 205.251.197.219
3 2026-09-20 01:22 639254637902288911
10 ms 205.251.197.219
2 2026-09-20 00:28 639254605630262148
17 ms 205.251.197.219
1 2026-09-20 00:10 639254594865491222
-