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 2026-08-12. For this date, NameServerHistory found 62 DNS check records, 62 successful responses, 0 failed responses, and 272 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

62

Historical checks stored for this nameserver on selected date

Average Latency

272 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-12 23:51

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

62

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 2026-08-12 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
62 2026-08-12 23:51 639221753022017039
20 ms 5.187.57.23
61 2026-08-12 23:36 639221744107644868
48 ms 5.187.57.23
60 2026-08-12 23:21 639221735030187244
48 ms 5.187.57.23
59 2026-08-12 23:06 639221725815508109
20 ms 5.187.57.23
58 2026-08-12 22:14 639221694790955973
24 ms 5.187.57.23
57 2026-08-12 21:59 639221685562451720
10 ms 5.187.57.23
56 2026-08-12 21:43 639221676023655289
28 ms 5.187.57.23
55 2026-08-12 21:27 639221666449119409
12 ms 5.187.57.23
54 2026-08-12 20:35 639221635456432556
44 ms 5.187.57.23
53 2026-08-12 20:20 639221626313054202
38 ms 5.187.57.23
52 2026-08-12 20:05 639221617091958857
2068 ms 5.187.57.23
51 2026-08-12 19:49 639221607786737151
43 ms 5.187.57.23
50 2026-08-12 18:58 639221576664330059
31 ms 5.187.57.23
49 2026-08-12 18:42 639221567514216674
40 ms 5.187.57.23
48 2026-08-12 18:27 639221558399762524
32 ms 5.187.57.23
47 2026-08-12 18:11 639221549052016282
34 ms 5.187.57.23
46 2026-08-12 17:18 639221517673834934
30 ms 5.187.57.23
45 2026-08-12 17:03 639221508282311633
66 ms 5.187.57.23
44 2026-08-12 16:47 639221498786324983
92 ms 5.187.57.23
43 2026-08-12 16:31 639221489157589737
30 ms 5.187.57.23
42 2026-08-12 15:38 639221457655914645
2031 ms 5.187.57.23
41 2026-08-12 15:22 639221448164090526
2040 ms 5.187.57.23
40 2026-08-12 15:07 639221438725783630
49 ms 5.187.57.23
39 2026-08-12 14:51 639221429178071087
2041 ms 5.187.57.23
38 2026-08-12 13:58 639221397761278719
92 ms 5.187.57.23
37 2026-08-12 13:42 639221388200567278
22 ms 5.187.57.23
36 2026-08-12 13:26 639221378483570949
2090 ms 5.187.57.23
35 2026-08-12 13:10 639221368872360139
40 ms 5.187.57.23
34 2026-08-12 12:18 639221337226647415
145 ms 5.187.57.23
33 2026-08-12 12:02 639221327924087446
62 ms 5.187.57.23
32 2026-08-12 11:46 639221318096976375
56 ms 5.187.57.23
31 2026-08-12 11:30 639221308343145274
38 ms 5.187.57.23
30 2026-08-12 10:38 639221277089610470
59 ms 5.187.57.23
29 2026-08-12 10:22 639221267628136359
25 ms 5.187.57.23
28 2026-08-12 10:06 639221257907569952
29 ms 5.187.57.23
27 2026-08-12 09:50 639221248402420965
17 ms 5.187.57.23
26 2026-08-12 08:57 639221216797540533
24 ms 5.187.57.23
25 2026-08-12 08:42 639221207385792352
27 ms 5.187.57.23
24 2026-08-12 08:26 639221198078534844
38 ms 5.187.57.23
23 2026-08-12 08:10 639221188677585577
32 ms 5.187.57.23
22 2026-08-12 07:18 639221157276484143
23 ms 5.187.57.23
21 2026-08-12 07:02 639221147876262183
67 ms 5.187.57.23
20 2026-08-12 06:46 639221138388812469
2071 ms 5.187.57.23
19 2026-08-12 06:31 639221128987381118
26 ms 5.187.57.23
18 2026-08-12 05:39 639221097816416095
18 ms 5.187.57.23
17 2026-08-12 05:23 639221088508065616
24 ms 5.187.57.23
16 2026-08-12 05:08 639221079092308503
2044 ms 5.187.57.23
15 2026-08-12 04:52 639221069595873597
104 ms 5.187.57.23
14 2026-08-12 04:00 639221038601577496
73 ms 5.187.57.23
13 2026-08-12 03:45 639221029533901299
79 ms 5.187.57.23
12 2026-08-12 03:29 639221020333828965
117 ms 5.187.57.23
11 2026-08-12 03:14 639221011110510484
30 ms 5.187.57.23
10 2026-08-12 02:23 639220979815209769
54 ms 5.187.57.23
9 2026-08-12 02:08 639220970971410921
48 ms 5.187.57.23
8 2026-08-12 01:53 639220961848982361
87 ms 5.187.57.23
7 2026-08-12 01:38 639220952784591501
26 ms 5.187.57.23
6 2026-08-12 01:23 639220943893596731
67 ms 5.187.57.23
5 2026-08-12 01:08 639220934954704520
32 ms 5.187.57.23
4 2026-08-12 00:53 639220925792457751
22 ms 5.187.57.23
3 2026-08-12 00:37 639220916610063538
57 ms 5.187.57.23
2 2026-08-12 00:22 639220907229361754
27 ms 5.187.57.23
1 2026-08-12 00:06 639220897896762127
23 ms 5.187.57.23