DNS response history for ns1.cortex-it.ch

ns1.cortex-it.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 2026-08-09. For this date, NameServerHistory found 77 DNS check records, 77 successful responses, 0 failed responses, and 350 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 ns1.cortex-it.ch.
Records on Selected Date

77

Historical checks stored for this nameserver on selected date

Average Latency

350 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-09 23:14

All timestamps shown in UTC

Latest Resolved IP on Selected Date

5.187.57.23

Most recently resolved hosting IP on selected date

Successful Responses

77

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 ns1.cortex-it.ch

Showing DNS history for 2026-08-09 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
77 2026-08-09 23:14 639219137912168440
73 ms 5.187.57.23
76 2026-08-09 23:00 639219129014206359
2050 ms 5.187.57.23
75 2026-08-09 22:45 639219120129816185
39 ms 5.187.57.23
74 2026-08-09 22:30 639219111180200055
46 ms 5.187.57.23
73 2026-08-09 22:15 639219102397272208
2023 ms 5.187.57.23
72 2026-08-09 22:00 639219093318422880
19 ms 5.187.57.23
71 2026-08-09 21:45 639219084400315753
80 ms 5.187.57.23
70 2026-08-09 21:30 639219075254551587
40 ms 5.187.57.23
69 2026-08-09 21:14 639219065729192158
27 ms 5.187.57.23
68 2026-08-09 20:59 639219056747802098
18 ms 5.187.57.23
67 2026-08-09 20:44 639219047713450952
46 ms 5.187.57.23
66 2026-08-09 20:29 639219038561445315
72 ms 5.187.57.23
65 2026-08-09 19:36 639219007390383771
41 ms 5.187.57.23
64 2026-08-09 19:22 639218998523265596
76 ms 5.187.57.23
63 2026-08-09 19:07 639218989631630804
2010 ms 5.187.57.23
62 2026-08-09 18:52 639218980808450892
11 ms 5.187.57.23
61 2026-08-09 18:37 639218971852160604
41 ms 5.187.57.23
60 2026-08-09 18:22 639218962783650906
120 ms 5.187.57.23
59 2026-08-09 18:07 639218953792820819
2027 ms 5.187.57.23
58 2026-08-09 17:52 639218944959692876
33 ms 5.187.57.23
57 2026-08-09 17:38 639218936169104506
36 ms 5.187.57.23
56 2026-08-09 17:23 639218927166062556
22 ms 5.187.57.23
55 2026-08-09 17:08 639218918015715420
36 ms 5.187.57.23
54 2026-08-09 16:52 639218908881852638
18 ms 5.187.57.23
53 2026-08-09 16:00 639218877956262035
41 ms 5.187.57.23
52 2026-08-09 15:46 639218869143729797
58 ms 5.187.57.23
51 2026-08-09 15:31 639218860485298832
118 ms 5.187.57.23
50 2026-08-09 15:16 639218851607906747
13 ms 5.187.57.23
49 2026-08-09 15:02 639218842720839568
55 ms 5.187.57.23
48 2026-08-09 14:47 639218833878788864
60 ms 5.187.57.23
47 2026-08-09 14:32 639218825180862573
28 ms 5.187.57.23
46 2026-08-09 14:18 639218816469621951
2085 ms 5.187.57.23
45 2026-08-09 14:03 639218807685036212
17 ms 5.187.57.23
44 2026-08-09 13:49 639218798978271509
33 ms 5.187.57.23
43 2026-08-09 13:34 639218790065423597
2073 ms 5.187.57.23
42 2026-08-09 13:19 639218781304584862
26 ms 5.187.57.23
41 2026-08-09 12:28 639218750311179000
23 ms 5.187.57.23
40 2026-08-09 12:14 639218741750420268
18 ms 5.187.57.23
39 2026-08-09 11:59 639218733057535576
41 ms 5.187.57.23
38 2026-08-09 11:45 639218724471329044
29 ms 5.187.57.23
37 2026-08-09 11:31 639218715911974203
10 ms 5.187.57.23
36 2026-08-09 11:16 639218707310812834
13 ms 5.187.57.23
35 2026-08-09 11:02 639218698790485612
30 ms 5.187.57.23
34 2026-08-09 10:48 639218690367692706
39 ms 5.187.57.23
33 2026-08-09 10:34 639218681923173883
2024 ms 5.187.57.23
32 2026-08-09 10:20 639218673547179738
28 ms 5.187.57.23
31 2026-08-09 10:06 639218664890274867
47 ms 5.187.57.23
30 2026-08-09 09:51 639218656036928157
39 ms 5.187.57.23
29 2026-08-09 08:59 639218624808018222
27 ms 5.187.57.23
28 2026-08-09 08:45 639218616243340806
50 ms 5.187.57.23
27 2026-08-09 08:30 639218607397811973
38 ms 5.187.57.23
26 2026-08-09 08:16 639218598812444454
44 ms 5.187.57.23
25 2026-08-09 08:02 639218590219570048
47 ms 5.187.57.23
24 2026-08-09 07:47 639218581690210758
29 ms 5.187.57.23
23 2026-08-09 07:33 639218573057388822
23 ms 5.187.57.23
22 2026-08-09 07:19 639218564408781785
104 ms 5.187.57.23
21 2026-08-09 07:04 639218555767188482
36 ms 5.187.57.23
20 2026-08-09 06:50 639218547142705295
9 ms 5.187.57.23
19 2026-08-09 06:35 639218538090114532
2047 ms 5.187.57.23
18 2026-08-09 06:20 639218529257910584
18 ms 5.187.57.23
17 2026-08-09 05:27 639218498473231858
31 ms 5.187.57.23
16 2026-08-09 05:13 639218489802113995
21 ms 5.187.57.23
15 2026-08-09 04:58 639218481006804516
26 ms 5.187.57.23
14 2026-08-09 04:44 639218472048712427
2040 ms 5.187.57.23
13 2026-08-09 04:29 639218463224432974
31 ms 5.187.57.23
12 2026-08-09 04:14 639218454384107526
28 ms 5.187.57.23
11 2026-08-09 03:59 639218445331231791
16 ms 5.187.57.23
10 2026-08-09 03:44 639218436285215733
2031 ms 5.187.57.23
9 2026-08-09 03:29 639218427289555123
58 ms 5.187.57.23
8 2026-08-09 03:14 639218418227819981
17 ms 5.187.57.23
7 2026-08-09 02:59 639218409119503123
2038 ms 5.187.57.23
6 2026-08-09 02:43 639218399771712154
36 ms 5.187.57.23
5 2026-08-09 01:52 639218368648652303
21 ms 5.187.57.23
4 2026-08-09 01:37 639218359569598460
28 ms 5.187.57.23
3 2026-08-09 01:22 639218350555429902
23 ms 5.187.57.23
2 2026-08-09 01:06 639218341311543299
22 ms 5.187.57.23
1 2026-08-09 00:14 639218309981981465
2027 ms 5.187.57.23