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 2026-09-22. For this date, NameServerHistory found 49 DNS check records, 48 successful responses, 1 failed responses, and 189 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

49

Historical checks stored for this nameserver on selected date

Average Latency

189 ms

Calculated from available response records

Latest Check on Selected Date

2026-09-22 17:44

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

48

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 2026-09-22 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
49 2026-09-22 17:44 639256955318933536
46 ms 205.251.197.219
48 2026-09-22 17:25 639256943745511497
10 ms 205.251.197.219
47 2026-09-22 17:05 639256932176151787
29 ms 205.251.197.219
46 2026-09-22 16:46 639256920560719768
13 ms 205.251.197.219
45 2026-09-22 16:27 639256908813736870
23 ms 205.251.197.219
44 2026-09-22 16:07 639256897126480386
23 ms 205.251.197.219
43 2026-09-22 15:12 639256864457582505
34 ms 205.251.197.219
42 2026-09-22 14:53 639256852992026305
17 ms 205.251.197.219
41 2026-09-22 14:34 639256841465330434
3 ms 205.251.197.219
40 2026-09-22 14:15 639256830044733060
22 ms 205.251.197.219
39 2026-09-22 13:56 639256818462747632
7 ms 205.251.197.219
38 2026-09-22 13:37 639256806897558375
16 ms 205.251.197.219
37 2026-09-22 13:17 639256795497283396
4 ms 205.251.197.219
36 2026-09-22 12:58 639256783954678829
10 ms 205.251.197.219
35 2026-09-22 12:39 639256772557808425
13 ms 205.251.197.219
34 2026-09-22 12:20 639256760971194579
16 ms 205.251.197.219
33 2026-09-22 12:01 639256749499326885
2043 ms 205.251.197.219
32 2026-09-22 11:41 639256737864432645
11 ms 205.251.197.219
31 2026-09-22 10:46 639256704702858974
25 ms 205.251.197.219
30 2026-09-22 10:27 639256693262935570
38 ms 205.251.197.219
29 2026-09-22 10:08 639256681979259857
10 ms 205.251.197.219
28 2026-09-22 09:49 639256670571988240
2033 ms 205.251.197.219
27 2026-09-22 09:30 639256659116430622
27 ms 205.251.197.219
26 2026-09-22 09:11 639256647596534710
27 ms 205.251.197.219
25 2026-09-22 08:52 639256636046520737
48 ms 205.251.197.219
24 2026-09-22 08:33 639256624672009723
10 ms 205.251.197.219
23 2026-09-22 08:14 639256613201459021
6 ms 205.251.197.219
22 2026-09-22 07:55 639256601610396728
2030 ms 205.251.197.219
21 2026-09-22 07:35 639256590285595199
3 ms 205.251.197.219
20 2026-09-22 07:16 639256578610129260
18 ms 205.251.197.219
19 2026-09-22 06:21 639256545389834369
18 ms 205.251.197.219
18 2026-09-22 06:02 639256534073689007
61 ms 205.251.197.219
17 2026-09-22 05:43 639256523075207026
35 ms 205.251.197.219
16 2026-09-22 05:25 639256511729770678
12 ms 205.251.197.219
15 2026-09-22 05:06 639256500370510747
15 ms 205.251.197.219
14 2026-09-22 04:47 639256489164264586
12 ms 205.251.197.219
13 2026-09-22 04:28 639256477944487218
41 ms 205.251.197.219
12 2026-09-22 04:09 639256466581231899
2016 ms 205.251.197.219
11 2026-09-22 03:51 639256455413382357
61 ms 205.251.197.219
10 2026-09-22 03:32 639256444413737172
45 ms 205.251.197.219
9 2026-09-22 03:14 639256433128682515
15 ms 205.251.197.219
8 2026-09-22 02:55 639256421741375253
10 ms 205.251.197.219
7 2026-09-22 02:00 639256389183577539
10 ms 205.251.197.219
6 2026-09-22 01:42 639256378018261207
10 ms 205.251.197.219
5 2026-09-22 01:23 639256366601070174
10 ms 205.251.197.219
4 2026-09-22 01:04 639256355227229853
-
3 2026-09-22 00:45 639256343919804604
45 ms 205.251.197.219
2 2026-09-22 00:26 639256332508261924
21 ms 205.251.197.219
1 2026-09-22 00:07 639256321183946755
7 ms 205.251.197.219