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 2026-08-11. For this date, NameServerHistory found 76 DNS check records, 75 successful responses, 1 failed responses, and 173 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

76

Historical checks stored for this nameserver on selected date

Average Latency

173 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-11 23:50

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

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 2026-08-11 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
76 2026-08-11 23:50 639220888396333845
61 ms 5.187.57.23
75 2026-08-11 23:35 639220878864937382
14 ms 5.187.57.23
74 2026-08-11 22:41 639220847369072314
16 ms 5.187.57.23
73 2026-08-11 22:25 639220838037764925
52 ms 5.187.57.23
72 2026-08-11 22:10 639220828735120634
26 ms 5.187.57.23
71 2026-08-11 21:54 639220819447979766
20 ms 5.187.57.23
70 2026-08-11 21:39 639220810056531741
84 ms 5.187.57.23
69 2026-08-11 21:23 639220800745746593
35 ms 5.187.57.23
68 2026-08-11 21:08 639220791351626349
-
67 2026-08-11 20:52 639220782021256610
47 ms 5.187.57.23
66 2026-08-11 20:36 639220772603347755
32 ms 5.187.57.23
65 2026-08-11 20:21 639220763224057047
50 ms 5.187.57.23
64 2026-08-11 20:05 639220753691117767
20 ms 5.187.57.23
63 2026-08-11 19:49 639220744107836218
41 ms 5.187.57.23
62 2026-08-11 18:55 639220711927629898
33 ms 5.187.57.23
61 2026-08-11 18:39 639220702299437921
17 ms 5.187.57.23
60 2026-08-11 18:23 639220692505468181
18 ms 5.187.57.23
59 2026-08-11 18:07 639220682669911239
21 ms 5.187.57.23
58 2026-08-11 17:50 639220672929841526
42 ms 5.187.57.23
57 2026-08-11 17:34 639220663225662315
46 ms 5.187.57.23
56 2026-08-11 17:19 639220653846255684
14 ms 5.187.57.23
55 2026-08-11 17:03 639220644420909059
40 ms 5.187.57.23
54 2026-08-11 16:47 639220635074970435
75 ms 5.187.57.23
53 2026-08-11 16:32 639220625614385966
2115 ms 5.187.57.23
52 2026-08-11 16:16 639220616132212636
16 ms 5.187.57.23
51 2026-08-11 16:00 639220606533651662
22 ms 5.187.57.23
50 2026-08-11 15:06 639220574514514318
25 ms 5.187.57.23
49 2026-08-11 14:50 639220565124823874
2076 ms 5.187.57.23
48 2026-08-11 14:35 639220555799311478
50 ms 5.187.57.23
47 2026-08-11 14:19 639220546481577614
2023 ms 5.187.57.23
46 2026-08-11 14:04 639220537036533154
31 ms 5.187.57.23
45 2026-08-11 13:48 639220527719177174
39 ms 5.187.57.23
44 2026-08-11 13:32 639220518173088308
38 ms 5.187.57.23
43 2026-08-11 13:17 639220508902896243
19 ms 5.187.57.23
42 2026-08-11 13:01 639220499455923005
43 ms 5.187.57.23
41 2026-08-11 12:45 639220490082583768
56 ms 5.187.57.23
40 2026-08-11 12:30 639220480636590998
88 ms 5.187.57.23
39 2026-08-11 12:11 639220469585029273
41 ms 5.187.57.23
38 2026-08-11 11:19 639220438074188884
30 ms 5.187.57.23
37 2026-08-11 11:03 639220428789720049
39 ms 5.187.57.23
36 2026-08-11 10:48 639220419558302820
35 ms 5.187.57.23
35 2026-08-11 10:33 639220410448738795
57 ms 5.187.57.23
34 2026-08-11 10:17 639220401034081530
2033 ms 5.187.57.23
33 2026-08-11 10:02 639220391766674161
30 ms 5.187.57.23
32 2026-08-11 09:46 639220382275807148
22 ms 5.187.57.23
31 2026-08-11 09:30 639220373034162867
44 ms 5.187.57.23
30 2026-08-11 09:15 639220363994971859
24 ms 5.187.57.23
29 2026-08-11 09:00 639220354563965455
22 ms 5.187.57.23
28 2026-08-11 08:44 639220345437414880
48 ms 5.187.57.23
27 2026-08-11 08:29 639220336024248987
68 ms 5.187.57.23
26 2026-08-11 07:36 639220304233635692
11 ms 5.187.57.23
25 2026-08-11 07:20 639220294872170960
59 ms 5.187.57.23
24 2026-08-11 07:05 639220285547177980
29 ms 5.187.57.23
23 2026-08-11 06:50 639220276337941315
2069 ms 5.187.57.23
22 2026-08-11 06:34 639220267175191677
68 ms 5.187.57.23
21 2026-08-11 06:19 639220257981518924
58 ms 5.187.57.23
20 2026-08-11 06:04 639220249265489070
21 ms 5.187.57.23
19 2026-08-11 05:50 639220240700249205
90 ms 5.187.57.23
18 2026-08-11 05:36 639220231975029986
43 ms 5.187.57.23
17 2026-08-11 05:21 639220223261176932
92 ms 5.187.57.23
16 2026-08-11 05:06 639220214366718456
26 ms 5.187.57.23
15 2026-08-11 04:51 639220205306334524
53 ms 5.187.57.23
14 2026-08-11 04:00 639220174463175061
32 ms 5.187.57.23
13 2026-08-11 03:46 639220165777190438
29 ms 5.187.57.23
12 2026-08-11 03:31 639220156880374825
76 ms 5.187.57.23
11 2026-08-11 03:16 639220148139986945
21 ms 5.187.57.23
10 2026-08-11 03:02 639220139271074299
48 ms 5.187.57.23
9 2026-08-11 02:47 639220130565901336
8 ms 5.187.57.23
8 2026-08-11 02:32 639220121659980575
3 ms 5.187.57.23
7 2026-08-11 02:18 639220112857650894
33 ms 5.187.57.23
6 2026-08-11 02:03 639220103767686219
18 ms 5.187.57.23
5 2026-08-11 01:47 639220094545970611
30 ms 5.187.57.23
4 2026-08-11 01:32 639220085476091081
32 ms 5.187.57.23
3 2026-08-11 01:17 639220076243751161
47 ms 5.187.57.23
2 2026-08-11 00:26 639220045322845190
25 ms 5.187.57.23
1 2026-08-11 00:11 639220036434132314
30 ms 5.187.57.23