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 2026-08-19. For this date, NameServerHistory found 75 DNS check records, 75 successful responses, 0 failed responses, and 333 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

333 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-19 23:56

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 2026-08-19 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 2026-08-19 23:56 639227805445376839
61 ms 5.187.57.23
74 2026-08-19 23:40 639227795899225951
29 ms 5.187.57.23
73 2026-08-19 23:24 639227786351762008
31 ms 5.187.57.23
72 2026-08-19 23:08 639227776640591733
7 ms 5.187.57.23
71 2026-08-19 22:52 639227767128841282
24 ms 5.187.57.23
70 2026-08-19 22:36 639227757477304711
17 ms 5.187.57.23
69 2026-08-19 22:20 639227747572098014
40 ms 5.187.57.23
68 2026-08-19 22:03 639227737588613113
2058 ms 5.187.57.23
67 2026-08-19 21:11 639227706134603955
2080 ms 5.187.57.23
66 2026-08-19 20:55 639227696589027396
9 ms 5.187.57.23
65 2026-08-19 20:39 639227687097707639
27 ms 5.187.57.23
64 2026-08-19 20:23 639227677474464487
19 ms 5.187.57.23
63 2026-08-19 20:07 639227667767441118
53 ms 5.187.57.23
62 2026-08-19 19:51 639227657984833832
43 ms 5.187.57.23
61 2026-08-19 19:34 639227648079992640
19 ms 5.187.57.23
60 2026-08-19 19:17 639227638125048441
4 ms 5.187.57.23
59 2026-08-19 19:01 639227628211392142
19 ms 5.187.57.23
58 2026-08-19 18:44 639227618261696275
68 ms 5.187.57.23
57 2026-08-19 18:28 639227608366233645
34 ms 5.187.57.23
56 2026-08-19 18:11 639227598301787588
20 ms 5.187.57.23
55 2026-08-19 17:18 639227566241010716
35 ms 5.187.57.23
54 2026-08-19 17:01 639227556454538959
60 ms 5.187.57.23
53 2026-08-19 16:45 639227546640305542
11 ms 5.187.57.23
52 2026-08-19 16:29 639227536965466472
19 ms 5.187.57.23
51 2026-08-19 16:12 639227527048658280
17 ms 5.187.57.23
50 2026-08-19 15:56 639227517386634438
29 ms 5.187.57.23
49 2026-08-19 15:40 639227507459551637
2052 ms 5.187.57.23
48 2026-08-19 15:23 639227497515595277
40 ms 5.187.57.23
47 2026-08-19 15:06 639227487441798036
20 ms 5.187.57.23
46 2026-08-19 14:50 639227477445551863
2059 ms 5.187.57.23
45 2026-08-19 14:33 639227467297067891
50 ms 5.187.57.23
44 2026-08-19 14:16 639227457057795635
46 ms 5.187.57.23
43 2026-08-19 13:23 639227425244777397
40 ms 5.187.57.23
42 2026-08-19 13:06 639227415422116485
22 ms 5.187.57.23
41 2026-08-19 12:49 639227405307256053
19 ms 5.187.57.23
40 2026-08-19 12:33 639227395396602630
14 ms 5.187.57.23
39 2026-08-19 12:16 639227385510363611
108 ms 5.187.57.23
38 2026-08-19 12:00 639227375508324850
2052 ms 5.187.57.23
37 2026-08-19 11:43 639227365326611906
45 ms 5.187.57.23
36 2026-08-19 11:26 639227355360014208
2103 ms 5.187.57.23
35 2026-08-19 11:09 639227345036782165
57 ms 5.187.57.23
34 2026-08-19 10:52 639227334992964533
69 ms 5.187.57.23
33 2026-08-19 10:36 639227324986605572
49 ms 5.187.57.23
32 2026-08-19 10:19 639227314928414539
2040 ms 5.187.57.23
31 2026-08-19 09:26 639227283029182134
29 ms 5.187.57.23
30 2026-08-19 09:09 639227273294779350
101 ms 5.187.57.23
29 2026-08-19 08:53 639227263525231313
30 ms 5.187.57.23
28 2026-08-19 08:36 639227253578313363
39 ms 5.187.57.23
27 2026-08-19 08:20 639227243649973322
2083 ms 5.187.57.23
26 2026-08-19 08:03 639227233581059317
32 ms 5.187.57.23
25 2026-08-19 07:47 639227223667352067
60 ms 5.187.57.23
24 2026-08-19 07:30 639227213714837066
39 ms 5.187.57.23
23 2026-08-19 07:13 639227203701208496
72 ms 5.187.57.23
22 2026-08-19 06:57 639227193643202179
45 ms 5.187.57.23
21 2026-08-19 06:40 639227183584431597
41 ms 5.187.57.23
20 2026-08-19 06:23 639227173347403088
33 ms 5.187.57.23
19 2026-08-19 05:30 639227141523007601
36 ms 5.187.57.23
18 2026-08-19 05:14 639227131785931574
93 ms 5.187.57.23
17 2026-08-19 04:58 639227122176475389
27 ms 5.187.57.23
16 2026-08-19 04:42 639227112668934596
59 ms 5.187.57.23
15 2026-08-19 04:25 639227102773292788
32 ms 5.187.57.23
14 2026-08-19 04:09 639227093141136930
2030 ms 5.187.57.23
13 2026-08-19 03:53 639227083449420147
31 ms 5.187.57.23
12 2026-08-19 03:37 639227073771748493
24 ms 5.187.57.23
11 2026-08-19 03:21 639227063977347614
2041 ms 5.187.57.23
10 2026-08-19 03:04 639227054253519024
2041 ms 5.187.57.23
9 2026-08-19 02:48 639227044381963886
38 ms 5.187.57.23
8 2026-08-19 02:31 639227034441085514
34 ms 5.187.57.23
7 2026-08-19 01:39 639227003126489968
11 ms 5.187.57.23
6 2026-08-19 01:23 639226993456311614
24 ms 5.187.57.23
5 2026-08-19 01:07 639226983847312345
24 ms 5.187.57.23
4 2026-08-19 00:51 639226974357874853
23 ms 5.187.57.23
3 2026-08-19 00:35 639226964670484721
18 ms 5.187.57.23
2 2026-08-19 00:19 639226954857899696
17 ms 5.187.57.23
1 2026-08-19 00:02 639226945091603488
16 ms 5.187.57.23