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 2026-08-13. For this date, NameServerHistory found 72 DNS check records, 72 successful responses, 0 failed responses, and 97 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

72

Historical checks stored for this nameserver on selected date

Average Latency

97 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-13 23:52

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

72

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 2026-08-13 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
72 2026-08-13 23:52 639222618462620588
21 ms 5.187.57.23
71 2026-08-13 23:35 639222608688333012
27 ms 5.187.57.23
70 2026-08-13 23:19 639222598741756356
19 ms 5.187.57.23
69 2026-08-13 23:02 639222588615244093
24 ms 5.187.57.23
68 2026-08-13 22:08 639222556495289724
21 ms 5.187.57.23
67 2026-08-13 21:52 639222546477917698
41 ms 5.187.57.23
66 2026-08-13 21:35 639222536257653790
36 ms 5.187.57.23
65 2026-08-13 21:17 639222525833084485
26 ms 5.187.57.23
64 2026-08-13 21:00 639222515446085004
35 ms 5.187.57.23
63 2026-08-13 20:43 639222505166766781
30 ms 5.187.57.23
62 2026-08-13 20:26 639222494930541001
50 ms 5.187.57.23
61 2026-08-13 20:09 639222484469216890
2067 ms 5.187.57.23
60 2026-08-13 19:51 639222474270039940
37 ms 5.187.57.23
59 2026-08-13 19:34 639222464005587385
37 ms 5.187.57.23
58 2026-08-13 19:17 639222453485975041
64 ms 5.187.57.23
57 2026-08-13 18:59 639222442984828770
30 ms 5.187.57.23
56 2026-08-13 18:05 639222410191353397
32 ms 5.187.57.23
55 2026-08-13 17:48 639222399952628376
67 ms 5.187.57.23
54 2026-08-13 17:31 639222389608608647
33 ms 5.187.57.23
53 2026-08-13 17:14 639222379604012481
43 ms 5.187.57.23
52 2026-08-13 16:57 639222369372672858
17 ms 5.187.57.23
51 2026-08-13 16:40 639222359096909298
41 ms 5.187.57.23
50 2026-08-13 16:23 639222348814301655
12 ms 5.187.57.23
49 2026-08-13 16:06 639222338608331104
64 ms 5.187.57.23
48 2026-08-13 15:48 639222328204609760
56 ms 5.187.57.23
47 2026-08-13 15:31 639222317859759909
45 ms 5.187.57.23
46 2026-08-13 15:14 639222307560137918
12 ms 5.187.57.23
45 2026-08-13 14:57 639222297274357149
12 ms 5.187.57.23
44 2026-08-13 14:03 639222265004477827
60 ms 5.187.57.23
43 2026-08-13 13:47 639222255176583683
21 ms 5.187.57.23
42 2026-08-13 13:30 639222245340146131
23 ms 5.187.57.23
41 2026-08-13 13:14 639222235662219956
34 ms 5.187.57.23
40 2026-08-13 12:58 639222225817223284
30 ms 5.187.57.23
39 2026-08-13 12:42 639222216341869648
32 ms 5.187.57.23
38 2026-08-13 12:26 639222206848442189
36 ms 5.187.57.23
37 2026-08-13 12:11 639222197538963225
29 ms 5.187.57.23
36 2026-08-13 11:55 639222188113685569
2092 ms 5.187.57.23
35 2026-08-13 11:39 639222178880138458
41 ms 5.187.57.23
34 2026-08-13 11:24 639222169343013317
37 ms 5.187.57.23
33 2026-08-13 11:08 639222159910600596
28 ms 5.187.57.23
32 2026-08-13 10:16 639222128676274866
573 ms 5.187.57.23
31 2026-08-13 10:00 639222119169781983
48 ms 5.187.57.23
30 2026-08-13 09:45 639222109996148889
4 ms 5.187.57.23
29 2026-08-13 09:30 639222100791323799
14 ms 5.187.57.23
28 2026-08-13 09:15 639222091647893142
24 ms 5.187.57.23
27 2026-08-13 08:59 639222082524717649
20 ms 5.187.57.23
26 2026-08-13 08:44 639222073378630456
5 ms 5.187.57.23
25 2026-08-13 08:29 639222064537306701
10 ms 5.187.57.23
24 2026-08-13 08:14 639222055409471864
18 ms 5.187.57.23
23 2026-08-13 07:59 639222046117152411
22 ms 5.187.57.23
22 2026-08-13 07:43 639222036915107067
17 ms 5.187.57.23
21 2026-08-13 07:28 639222027654889141
51 ms 5.187.57.23
20 2026-08-13 06:37 639221996824612035
76 ms 5.187.57.23
19 2026-08-13 06:22 639221987863418113
21 ms 5.187.57.23
18 2026-08-13 06:07 639221979006823112
17 ms 5.187.57.23
17 2026-08-13 05:52 639221970068466615
57 ms 5.187.57.23
16 2026-08-13 05:37 639221961001585139
11 ms 5.187.57.23
15 2026-08-13 05:23 639221952104046397
34 ms 5.187.57.23
14 2026-08-13 05:08 639221943247694484
7 ms 5.187.57.23
13 2026-08-13 04:53 639221934603388241
53 ms 5.187.57.23
12 2026-08-13 04:39 639221925729273358
25 ms 5.187.57.23
11 2026-08-13 04:24 639221916777813401
50 ms 5.187.57.23
10 2026-08-13 04:09 639221907816913910
12 ms 5.187.57.23
9 2026-08-13 03:53 639221898639694322
18 ms 5.187.57.23
8 2026-08-13 03:03 639221868257567489
19 ms 5.187.57.23
7 2026-08-13 02:48 639221859270235608
36 ms 5.187.57.23
6 2026-08-13 02:33 639221850184464515
28 ms 5.187.57.23
5 2026-08-13 02:18 639221841141973425
129 ms 5.187.57.23
4 2026-08-13 01:27 639221810548753083
23 ms 5.187.57.23
3 2026-08-13 01:12 639221801656796262
42 ms 5.187.57.23
2 2026-08-13 00:57 639221792658715334
51 ms 5.187.57.23
1 2026-08-13 00:42 639221783571379176
32 ms 5.187.57.23