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 2026-09-14. For this date, NameServerHistory found 68 DNS check records, 66 successful responses, 2 failed responses, and 150 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

68

Historical checks stored for this nameserver on selected date

Average Latency

150 ms

Calculated from available response records

Latest Check on Selected Date

2026-09-14 23:53

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

66

Checks that returned a measurable response

Failed Responses

2

Checks with no response or no returned latency

Failure Rate

3%

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 2026-09-14 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
68 2026-09-14 23:53 639250265006310554
4 ms 205.251.197.219
67 2026-09-14 23:36 639250254265624058
11 ms 205.251.197.219
66 2026-09-14 23:17 639250243155834134
35 ms 205.251.197.219
65 2026-09-14 22:59 639250232338986670
55 ms 205.251.197.219
64 2026-09-14 22:41 639250221441881026
12 ms 205.251.197.219
63 2026-09-14 22:23 639250210577525468
61 ms 205.251.197.219
62 2026-09-14 22:04 639250199540518314
46 ms 205.251.197.219
61 2026-09-14 21:10 639250167041824219
9 ms 205.251.197.219
60 2026-09-14 20:52 639250156175838605
43 ms 205.251.197.219
59 2026-09-14 20:34 639250145267426553
26 ms 205.251.197.219
58 2026-09-14 20:16 639250134333376789
17 ms 205.251.197.219
57 2026-09-14 19:58 639250123486781099
41 ms 205.251.197.219
56 2026-09-14 19:40 639250112524828861
96 ms 205.251.197.219
55 2026-09-14 19:21 639250101454913193
17 ms 205.251.197.219
54 2026-09-14 19:03 639250090673124274
62 ms 205.251.197.219
53 2026-09-14 18:45 639250079537528255
13 ms 205.251.197.219
52 2026-09-14 18:26 639250068745911145
24 ms 205.251.197.219
51 2026-09-14 18:08 639250057708107800
2026 ms 205.251.197.219
50 2026-09-14 17:49 639250046562049125
38 ms 205.251.197.219
49 2026-09-14 16:54 639250013509702191
38 ms 205.251.197.219
48 2026-09-14 16:36 639250002580620728
7 ms 205.251.197.219
47 2026-09-14 16:18 639249991745663911
78 ms 205.251.197.219
46 2026-09-14 16:00 639249980865516443
26 ms 205.251.197.219
45 2026-09-14 15:42 639249969862613877
3 ms 205.251.197.219
44 2026-09-14 15:23 639249958886637893
35 ms 205.251.197.219
43 2026-09-14 15:05 639249947973088862
55 ms 205.251.197.219
42 2026-09-14 14:47 639249936944753964
30 ms 205.251.197.219
41 2026-09-14 14:28 639249925992255418
2017 ms 205.251.197.219
40 2026-09-14 14:10 639249915051234319
5 ms 205.251.197.219
39 2026-09-14 13:52 639249903945505515
5 ms 205.251.197.219
38 2026-09-14 13:33 639249892717172084
12 ms 205.251.197.219
37 2026-09-14 12:39 639249860420622618
21 ms 205.251.197.219
36 2026-09-14 12:21 639249849360612619
12 ms 205.251.197.219
35 2026-09-14 12:02 639249838530368307
5 ms 205.251.197.219
34 2026-09-14 11:44 639249827575371229
40 ms 205.251.197.219
33 2026-09-14 11:26 639249816615668257
17 ms 205.251.197.219
32 2026-09-14 11:08 639249805442171049
82 ms 205.251.197.219
31 2026-09-14 10:49 639249794155370842
-
30 2026-09-14 10:30 639249783154776069
14 ms 205.251.197.219
29 2026-09-14 10:12 639249772121150234
20 ms 205.251.197.219
28 2026-09-14 09:53 639249761048544880
7 ms 205.251.197.219
27 2026-09-14 09:35 639249749882127820
18 ms 205.251.197.219
26 2026-09-14 09:16 639249738710121410
15 ms 205.251.197.219
25 2026-09-14 08:22 639249705906152878
-
24 2026-09-14 08:03 639249695057807031
9 ms 205.251.197.219
23 2026-09-14 07:45 639249684047448685
3 ms 205.251.197.219
22 2026-09-14 07:27 639249673145263442
54 ms 205.251.197.219
21 2026-09-14 07:09 639249662272618596
14 ms 205.251.197.219
20 2026-09-14 06:51 639249651231312660
11 ms 205.251.197.219
19 2026-09-14 06:33 639249640601476405
33 ms 205.251.197.219
18 2026-09-14 06:15 639249629710763416
68 ms 205.251.197.219
17 2026-09-14 05:56 639249618831763925
54 ms 205.251.197.219
16 2026-09-14 05:39 639249608080541028
2037 ms 205.251.197.219
15 2026-09-14 05:20 639249596980711664
30 ms 205.251.197.219
14 2026-09-14 05:02 639249586033736608
39 ms 205.251.197.219
13 2026-09-14 04:09 639249554241376085
12 ms 205.251.197.219
12 2026-09-14 03:52 639249543897837856
52 ms 205.251.197.219
11 2026-09-14 03:34 639249533459307021
14 ms 205.251.197.219
10 2026-09-14 03:17 639249523166091923
18 ms 205.251.197.219
9 2026-09-14 03:00 639249512992622650
2031 ms 205.251.197.219
8 2026-09-14 02:43 639249502720459876
28 ms 205.251.197.219
7 2026-09-14 02:26 639249492273334450
10 ms 205.251.197.219
6 2026-09-14 02:08 639249481926702111
45 ms 205.251.197.219
5 2026-09-14 01:51 639249471345531710
11 ms 205.251.197.219
4 2026-09-14 01:33 639249460661234260
67 ms 205.251.197.219
3 2026-09-14 01:15 639249450047021873
12 ms 205.251.197.219
2 2026-09-14 00:57 639249439201885522
31 ms 205.251.197.219
1 2026-09-14 00:04 639249407335664141
12 ms 205.251.197.219