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 2026-08-22. For this date, NameServerHistory found 74 DNS check records, 73 successful responses, 1 failed responses, and 372 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

74

Historical checks stored for this nameserver on selected date

Average Latency

372 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-22 23:47

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

73

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

1%

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 2026-08-22 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
74 2026-08-22 23:47 639230391807229016
23 ms 5.187.57.23
73 2026-08-22 23:31 639230382051619327
73 ms 5.187.57.23
72 2026-08-22 23:14 639230372323353529
38 ms 5.187.57.23
71 2026-08-22 22:58 639230362586451064
17 ms 5.187.57.23
70 2026-08-22 22:42 639230352793666303
2055 ms 5.187.57.23
69 2026-08-22 22:25 639230342775737758
50 ms 5.187.57.23
68 2026-08-22 22:08 639230332639939561
20 ms 5.187.57.23
67 2026-08-22 21:16 639230301014190104
86 ms 5.187.57.23
66 2026-08-22 20:59 639230291048161498
19 ms 5.187.57.23
65 2026-08-22 20:42 639230280894353664
11 ms 5.187.57.23
64 2026-08-22 20:25 639230270699419073
29 ms 5.187.57.23
63 2026-08-22 20:08 639230260248163050
64 ms 5.187.57.23
62 2026-08-22 19:51 639230250122494282
39 ms 5.187.57.23
61 2026-08-22 19:34 639230239972935046
-
60 2026-08-22 19:17 639230229963262464
2027 ms 5.187.57.23
59 2026-08-22 19:01 639230220033804658
28 ms 5.187.57.23
58 2026-08-22 18:44 639230209891107289
20 ms 5.187.57.23
57 2026-08-22 18:27 639230199630298717
34 ms 5.187.57.23
56 2026-08-22 18:09 639230189301984150
25 ms 5.187.57.23
55 2026-08-22 17:16 639230157138468804
22 ms 5.187.57.23
54 2026-08-22 16:59 639230146987869495
21 ms 5.187.57.23
53 2026-08-22 16:42 639230136768638516
73 ms 5.187.57.23
52 2026-08-22 16:25 639230126735907877
100 ms 5.187.57.23
51 2026-08-22 16:08 639230116551187768
41 ms 5.187.57.23
50 2026-08-22 15:51 639230106335615913
28 ms 5.187.57.23
49 2026-08-22 15:34 639230096177758176
50 ms 5.187.57.23
48 2026-08-22 15:17 639230086185999993
25 ms 5.187.57.23
47 2026-08-22 15:01 639230076247854903
77 ms 5.187.57.23
46 2026-08-22 14:44 639230066076077530
56 ms 5.187.57.23
45 2026-08-22 14:27 639230055738197328
69 ms 5.187.57.23
44 2026-08-22 14:10 639230045411225521
40 ms 5.187.57.23
43 2026-08-22 13:16 639230013046000470
18 ms 5.187.57.23
42 2026-08-22 12:59 639230003090037878
2031 ms 5.187.57.23
41 2026-08-22 12:42 639229993008259475
41 ms 5.187.57.23
40 2026-08-22 12:25 639229982909449470
79 ms 5.187.57.23
39 2026-08-22 12:09 639229973035502212
2036 ms 5.187.57.23
38 2026-08-22 11:52 639229963064296145
24 ms 5.187.57.23
37 2026-08-22 11:36 639229952996162143
2010 ms 5.187.57.23
36 2026-08-22 11:19 639229943051949195
121 ms 5.187.57.23
35 2026-08-22 11:02 639229932919214934
4 ms 5.187.57.23
34 2026-08-22 10:45 639229922745889838
21 ms 5.187.57.23
33 2026-08-22 10:28 639229912587214796
2062 ms 5.187.57.23
32 2026-08-22 10:11 639229902240004454
22 ms 5.187.57.23
31 2026-08-22 09:19 639229870800501662
71 ms 5.187.57.23
30 2026-08-22 09:02 639229861058384956
28 ms 5.187.57.23
29 2026-08-22 08:46 639229851158592604
33 ms 5.187.57.23
28 2026-08-22 08:30 639229841475569629
2081 ms 5.187.57.23
27 2026-08-22 08:14 639229831887658471
32 ms 5.187.57.23
26 2026-08-22 07:57 639229822043670346
38 ms 5.187.57.23
25 2026-08-22 07:41 639229812327913936
18 ms 5.187.57.23
24 2026-08-22 07:25 639229802629488686
53 ms 5.187.57.23
23 2026-08-22 07:09 639229793051447309
41 ms 5.187.57.23
22 2026-08-22 06:53 639229783303531961
17 ms 5.187.57.23
21 2026-08-22 06:36 639229773458051942
23 ms 5.187.57.23
20 2026-08-22 06:20 639229763373848056
34 ms 5.187.57.23
19 2026-08-22 05:28 639229732140622809
2077 ms 5.187.57.23
18 2026-08-22 05:12 639229722699695967
20 ms 5.187.57.23
17 2026-08-22 04:56 639229713097498075
10 ms 5.187.57.23
16 2026-08-22 04:40 639229703543969637
91 ms 5.187.57.23
15 2026-08-22 04:24 639229693970392873
33 ms 5.187.57.23
14 2026-08-22 04:08 639229684277329469
2073 ms 5.187.57.23
13 2026-08-22 03:51 639229674501596661
4073 ms 5.187.57.23
12 2026-08-22 03:36 639229665064441147
25 ms 5.187.57.23
11 2026-08-22 03:20 639229655507536872
25 ms 5.187.57.23
10 2026-08-22 03:04 639229645849603111
112 ms 5.187.57.23
9 2026-08-22 02:47 639229636090497453
21 ms 5.187.57.23
8 2026-08-22 02:31 639229625978544281
59 ms 5.187.57.23
7 2026-08-22 01:38 639229594644662176
27 ms 5.187.57.23
6 2026-08-22 01:23 639229585214633065
36 ms 5.187.57.23
5 2026-08-22 01:07 639229575581042175
2071 ms 5.187.57.23
4 2026-08-22 00:50 639229565912268962
46 ms 5.187.57.23
3 2026-08-22 00:34 639229556237813203
82 ms 5.187.57.23
2 2026-08-22 00:18 639229546625802518
39 ms 5.187.57.23
1 2026-08-22 00:03 639229537172016621
51 ms 5.187.57.23