DNS response history for ns2.cortex-it.ch

ns2.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, 73 successful responses, 2 failed responses, and 492 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 ns2.cortex-it.ch.
Records on Selected Date

75

Historical checks stored for this nameserver on selected date

Average Latency

492 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-19 23:57

All timestamps shown in UTC

Latest Resolved IP on Selected Date

5.187.57.24

Most recently resolved hosting IP on selected date

Successful Responses

73

Checks that returned a measurable response

Failed Responses

2

Checks with no response or no returned latency

Failure Rate

3%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ns2.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 23:57 639227805445376839
26 ms 5.187.57.24
74 2026-08-19 23:41 639227795899225951
2036 ms 5.187.57.24
73 2026-08-19 23:25 639227786351762008
234 ms 5.187.57.24
72 2026-08-19 23:09 639227776640591733
62 ms 5.187.57.24
71 2026-08-19 22:53 639227767128841282
95 ms 5.187.57.24
70 2026-08-19 22:37 639227757477304711
77 ms 5.187.57.24
69 2026-08-19 22:20 639227747572098014
80 ms 5.187.57.24
68 2026-08-19 22:04 639227737588613113
2043 ms 5.187.57.24
67 2026-08-19 21:11 639227706134603955
35 ms 5.187.57.24
66 2026-08-19 20:55 639227696589027396
2041 ms 5.187.57.24
65 2026-08-19 20:40 639227687097707639
40 ms 5.187.57.24
64 2026-08-19 20:24 639227677474464487
102 ms 5.187.57.24
63 2026-08-19 20:07 639227667767441118
2042 ms 5.187.57.24
62 2026-08-19 19:51 639227657984833832
147 ms 5.187.57.24
61 2026-08-19 19:35 639227648079992640
120 ms 5.187.57.24
60 2026-08-19 19:18 639227638125048441
17 ms 5.187.57.24
59 2026-08-19 19:01 639227628211392142
81 ms 5.187.57.24
58 2026-08-19 18:45 639227618261696275
102 ms 5.187.57.24
57 2026-08-19 18:28 639227608366233645
41 ms 5.187.57.24
56 2026-08-19 18:12 639227598301787588
214 ms 5.187.57.24
55 2026-08-19 17:18 639227566241010716
217 ms 5.187.57.24
54 2026-08-19 17:02 639227556454538959
2010 ms 5.187.57.24
53 2026-08-19 16:45 639227546640305542
254 ms 5.187.57.24
52 2026-08-19 16:29 639227536965466472
2076 ms 5.187.57.24
51 2026-08-19 16:13 639227527048658280
81 ms 5.187.57.24
50 2026-08-19 15:57 639227517386634438
2038 ms 5.187.57.24
49 2026-08-19 15:40 639227507459551637
114 ms 5.187.57.24
48 2026-08-19 15:24 639227497515595277
49 ms 5.187.57.24
47 2026-08-19 15:07 639227487441798036
13 ms 5.187.57.24
46 2026-08-19 14:50 639227477445551863
-
45 2026-08-19 14:33 639227467297067891
117 ms 5.187.57.24
44 2026-08-19 14:16 639227457057795635
74 ms 5.187.57.24
43 2026-08-19 13:23 639227425244777397
188 ms 5.187.57.24
42 2026-08-19 13:07 639227415422116485
135 ms 5.187.57.24
41 2026-08-19 12:50 639227405307256053
2034 ms 5.187.57.24
40 2026-08-19 12:33 639227395396602630
36 ms 5.187.57.24
39 2026-08-19 12:17 639227385510363611
-
38 2026-08-19 12:00 639227375508324850
73 ms 5.187.57.24
37 2026-08-19 11:43 639227365326611906
46 ms 5.187.57.24
36 2026-08-19 11:27 639227355360014208
2039 ms 5.187.57.24
35 2026-08-19 11:10 639227345036782165
2084 ms 5.187.57.24
34 2026-08-19 10:53 639227334992964533
12 ms 5.187.57.24
33 2026-08-19 10:36 639227324986605572
2029 ms 5.187.57.24
32 2026-08-19 10:19 639227314928414539
23 ms 5.187.57.24
31 2026-08-19 09:26 639227283029182134
98 ms 5.187.57.24
30 2026-08-19 09:10 639227273294779350
59 ms 5.187.57.24
29 2026-08-19 08:54 639227263525231313
256 ms 5.187.57.24
28 2026-08-19 08:37 639227253578313363
52 ms 5.187.57.24
27 2026-08-19 08:20 639227243649973322
137 ms 5.187.57.24
26 2026-08-19 08:04 639227233581059317
63 ms 5.187.57.24
25 2026-08-19 07:47 639227223667352067
70 ms 5.187.57.24
24 2026-08-19 07:31 639227213714837066
2024 ms 5.187.57.24
23 2026-08-19 07:14 639227203701208496
34 ms 5.187.57.24
22 2026-08-19 06:57 639227193643202179
53 ms 5.187.57.24
21 2026-08-19 06:40 639227183584431597
176 ms 5.187.57.24
20 2026-08-19 06:23 639227173347403088
60 ms 5.187.57.24
19 2026-08-19 05:30 639227141523007601
113 ms 5.187.57.24
18 2026-08-19 05:14 639227131785931574
42 ms 5.187.57.24
17 2026-08-19 04:58 639227122176475389
36 ms 5.187.57.24
16 2026-08-19 04:42 639227112668934596
8 ms 5.187.57.24
15 2026-08-19 04:26 639227102773292788
43 ms 5.187.57.24
14 2026-08-19 04:10 639227093141136930
186 ms 5.187.57.24
13 2026-08-19 03:53 639227083449420147
211 ms 5.187.57.24
12 2026-08-19 03:37 639227073771748493
79 ms 5.187.57.24
11 2026-08-19 03:21 639227063977347614
2051 ms 5.187.57.24
10 2026-08-19 03:05 639227054253519024
44 ms 5.187.57.24
9 2026-08-19 02:48 639227044381963886
185 ms 5.187.57.24
8 2026-08-19 02:32 639227034441085514
52 ms 5.187.57.24
7 2026-08-19 01:40 639227003126489968
18 ms 5.187.57.24
6 2026-08-19 01:23 639226993456311614
99 ms 5.187.57.24
5 2026-08-19 01:07 639226983847312345
2048 ms 5.187.57.24
4 2026-08-19 00:52 639226974357874853
2035 ms 5.187.57.24
3 2026-08-19 00:36 639226964670484721
123 ms 5.187.57.24
2 2026-08-19 00:19 639226954857899696
36 ms 5.187.57.24
1 2026-08-19 00:03 639226945091603488
49 ms 5.187.57.24