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 2026-08-18. For this date, NameServerHistory found 75 DNS check records, 75 successful responses, 0 failed responses, and 64 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

75

Historical checks stored for this nameserver on selected date

Average Latency

64 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-18 23:46

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

75

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 2026-08-18 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
75 2026-08-18 23:46 639226935204800669
14 ms 5.187.57.23
74 2026-08-18 23:29 639226925298919497
3 ms 5.187.57.23
73 2026-08-18 23:13 639226915487885053
56 ms 5.187.57.23
72 2026-08-18 22:56 639226905465760034
11 ms 5.187.57.23
71 2026-08-18 22:40 639226895378104692
32 ms 5.187.57.23
70 2026-08-18 21:46 639226863374232622
23 ms 5.187.57.23
69 2026-08-18 21:30 639226853698516058
38 ms 5.187.57.23
68 2026-08-18 21:14 639226843797360601
25 ms 5.187.57.23
67 2026-08-18 20:57 639226834046588155
35 ms 5.187.57.23
66 2026-08-18 20:41 639226824234488533
58 ms 5.187.57.23
65 2026-08-18 20:25 639226814549928621
94 ms 5.187.57.23
64 2026-08-18 20:08 639226804721432353
2024 ms 5.187.57.23
63 2026-08-18 19:52 639226795048828184
22 ms 5.187.57.23
62 2026-08-18 19:36 639226785202482420
16 ms 5.187.57.23
61 2026-08-18 19:19 639226775309362607
38 ms 5.187.57.23
60 2026-08-18 19:03 639226765406586155
33 ms 5.187.57.23
59 2026-08-18 18:46 639226755437790519
19 ms 5.187.57.23
58 2026-08-18 17:54 639226723856194457
80 ms 5.187.57.23
57 2026-08-18 17:37 639226714050583422
28 ms 5.187.57.23
56 2026-08-18 17:21 639226704236499724
40 ms 5.187.57.23
55 2026-08-18 17:04 639226694184520163
15 ms 5.187.57.23
54 2026-08-18 16:47 639226684161203477
54 ms 5.187.57.23
53 2026-08-18 16:31 639226674305430109
18 ms 5.187.57.23
52 2026-08-18 16:15 639226664489607984
31 ms 5.187.57.23
51 2026-08-18 15:58 639226654533111667
12 ms 5.187.57.23
50 2026-08-18 15:42 639226644778594725
60 ms 5.187.57.23
49 2026-08-18 15:25 639226634901553621
16 ms 5.187.57.23
48 2026-08-18 15:09 639226624921864967
35 ms 5.187.57.23
47 2026-08-18 14:52 639226614939419403
22 ms 5.187.57.23
46 2026-08-18 13:59 639226583021074771
13 ms 5.187.57.23
45 2026-08-18 13:43 639226573279933585
34 ms 5.187.57.23
44 2026-08-18 13:26 639226563494036301
43 ms 5.187.57.23
43 2026-08-18 13:10 639226553708216256
26 ms 5.187.57.23
42 2026-08-18 12:54 639226544003734815
38 ms 5.187.57.23
41 2026-08-18 12:37 639226534105733155
28 ms 5.187.57.23
40 2026-08-18 12:21 639226524298118898
73 ms 5.187.57.23
39 2026-08-18 12:05 639226514525195335
28 ms 5.187.57.23
38 2026-08-18 11:48 639226504703635320
5 ms 5.187.57.23
37 2026-08-18 11:32 639226494737271720
50 ms 5.187.57.23
36 2026-08-18 11:16 639226485005027236
17 ms 5.187.57.23
35 2026-08-18 10:59 639226475133236105
32 ms 5.187.57.23
34 2026-08-18 10:06 639226442975077052
62 ms 5.187.57.23
33 2026-08-18 09:49 639226433317932039
40 ms 5.187.57.23
32 2026-08-18 09:33 639226423688431096
48 ms 5.187.57.23
31 2026-08-18 09:17 639226413998250045
68 ms 5.187.57.23
30 2026-08-18 09:01 639226404284554875
62 ms 5.187.57.23
29 2026-08-18 08:45 639226394637043309
37 ms 5.187.57.23
28 2026-08-18 08:29 639226385052447582
41 ms 5.187.57.23
27 2026-08-18 08:13 639226375506189603
72 ms 5.187.57.23
26 2026-08-18 07:57 639226365690646426
48 ms 5.187.57.23
25 2026-08-18 07:40 639226355771007701
77 ms 5.187.57.23
24 2026-08-18 07:24 639226345946269369
41 ms 5.187.57.23
23 2026-08-18 07:08 639226336241601848
22 ms 5.187.57.23
22 2026-08-18 06:15 639226304950675290
37 ms 5.187.57.23
21 2026-08-18 05:59 639226295324754616
72 ms 5.187.57.23
20 2026-08-18 05:44 639226285824640601
16 ms 5.187.57.23
19 2026-08-18 05:28 639226276321223917
26 ms 5.187.57.23
18 2026-08-18 05:12 639226266800200046
7 ms 5.187.57.23
17 2026-08-18 04:55 639226256958066164
35 ms 5.187.57.23
16 2026-08-18 04:40 639226247432364597
68 ms 5.187.57.23
15 2026-08-18 04:23 639226237703388552
28 ms 5.187.57.23
14 2026-08-18 04:07 639226227937569589
84 ms 5.187.57.23
13 2026-08-18 03:51 639226218052465471
28 ms 5.187.57.23
12 2026-08-18 03:35 639226208429623997
38 ms 5.187.57.23
11 2026-08-18 03:19 639226198800675295
55 ms 5.187.57.23
10 2026-08-18 02:27 639226167722042574
94 ms 5.187.57.23
9 2026-08-18 02:11 639226158277924383
17 ms 5.187.57.23
8 2026-08-18 01:55 639226148757810592
18 ms 5.187.57.23
7 2026-08-18 01:39 639226139348611045
57 ms 5.187.57.23
6 2026-08-18 01:24 639226129823462907
53 ms 5.187.57.23
5 2026-08-18 01:08 639226120218260005
23 ms 5.187.57.23
4 2026-08-18 00:52 639226110875503904
3 ms 5.187.57.23
3 2026-08-18 00:36 639226101376311912
6 ms 5.187.57.23
2 2026-08-18 00:20 639226091924943492
10 ms 5.187.57.23
1 2026-08-18 00:04 639226082133158124
83 ms 5.187.57.23