DNS response history for ns2.cortex.com

ns2.cortex.com 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 2026-08-15. For this date, NameServerHistory found 76 DNS check records, 75 successful responses, 1 failed responses, and 83 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.com.
Records on Selected Date

76

Historical checks stored for this nameserver on selected date

Average Latency

83 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-15 23:53

All timestamps shown in UTC

Latest Resolved IP on Selected Date

198.41.223.59

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 ns2.cortex.com

Showing DNS history for 2026-08-15 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 2026-08-15 23:53 639224347685767174
33 ms 198.41.223.59
75 2026-08-15 23:37 639224338276675277
11 ms 198.41.223.59
74 2026-08-15 22:44 639224306594546649
7 ms 198.41.223.59
73 2026-08-15 22:28 639224297145423303
7 ms 198.41.223.59
72 2026-08-15 22:13 639224287678238833
29 ms 198.41.223.59
71 2026-08-15 21:57 639224278490872828
5 ms 198.41.223.59
70 2026-08-15 21:42 639224269149307826
5 ms 198.41.223.59
69 2026-08-15 21:26 639224259868597616
25 ms 198.41.223.59
68 2026-08-15 21:11 639224250518642175
19 ms 198.41.223.59
67 2026-08-15 20:55 639224241064772383
8 ms 198.41.223.59
66 2026-08-15 20:39 639224231691099605
19 ms 198.41.223.59
65 2026-08-15 20:24 639224222468168159
11 ms 198.41.223.59
64 2026-08-15 20:09 639224213173899635
32 ms 198.41.223.59
63 2026-08-15 19:53 639224203914451783
53 ms 198.41.223.59
62 2026-08-15 19:00 639224172202542163
77 ms 198.41.223.59
61 2026-08-15 18:46 639224163338654093
27 ms 198.41.223.59
60 2026-08-15 18:30 639224154287995374
31 ms 198.41.223.59
59 2026-08-15 18:15 639224145118612503
77 ms 198.41.223.59
58 2026-08-15 18:00 639224135995990731
19 ms 198.41.223.59
57 2026-08-15 17:45 639224127185332624
9 ms 198.41.223.59
56 2026-08-15 17:30 639224118229289175
10 ms 198.41.223.59
55 2026-08-15 17:15 639224109273796359
52 ms 198.41.223.59
54 2026-08-15 17:01 639224100490805608
23 ms 198.41.223.59
53 2026-08-15 16:46 639224091353714490
22 ms 198.41.223.59
52 2026-08-15 16:30 639224082033126828
40 ms 198.41.223.59
51 2026-08-15 16:15 639224072736962403
2037 ms 198.41.223.59
50 2026-08-15 15:22 639224041475563754
2026 ms 198.41.223.59
49 2026-08-15 15:07 639224032345604453
12 ms 198.41.223.59
48 2026-08-15 14:52 639224023169497283
36 ms 198.41.223.59
47 2026-08-15 14:37 639224013981146405
55 ms 198.41.223.59
46 2026-08-15 14:21 639224004883412586
10 ms 198.41.223.59
45 2026-08-15 14:06 639223995612880615
38 ms 198.41.223.59
44 2026-08-15 13:50 639223986271830789
17 ms 198.41.223.59
43 2026-08-15 13:35 639223977005780949
19 ms 198.41.223.59
42 2026-08-15 13:19 639223967653137793
55 ms 198.41.223.59
41 2026-08-15 13:04 639223958286010799
24 ms 198.41.223.59
40 2026-08-15 12:48 639223948936108345
13 ms 198.41.223.59
39 2026-08-15 12:33 639223939673066880
10 ms 198.41.223.59
38 2026-08-15 11:41 639223908317760530
152 ms 198.41.223.59
37 2026-08-15 11:25 639223898992594258
11 ms 198.41.223.59
36 2026-08-15 11:10 639223889761312823
22 ms 198.41.223.59
35 2026-08-15 10:54 639223880359273507
35 ms 198.41.223.59
34 2026-08-15 10:38 639223870920466808
26 ms 198.41.223.59
33 2026-08-15 10:23 639223861579762179
28 ms 198.41.223.59
32 2026-08-15 10:07 639223852238616009
14 ms 198.41.223.59
31 2026-08-15 09:52 639223843019815620
27 ms 198.41.223.59
30 2026-08-15 09:36 639223833669915012
32 ms 198.41.223.59
29 2026-08-15 09:21 639223824494613222
50 ms 198.41.223.59
28 2026-08-15 09:05 639223815116325293
46 ms 198.41.223.59
27 2026-08-15 08:49 639223805493870221
33 ms 198.41.223.59
26 2026-08-15 07:57 639223774218660438
29 ms 198.41.223.59
25 2026-08-15 07:41 639223764663090372
10 ms 198.41.223.59
24 2026-08-15 07:25 639223755338811400
10 ms 198.41.223.59
23 2026-08-15 07:10 639223746019193268
32 ms 198.41.223.59
22 2026-08-15 06:54 639223736658778104
20 ms 198.41.223.59
21 2026-08-15 06:39 639223727330194499
19 ms 198.41.223.59
20 2026-08-15 06:23 639223717848514742
-
19 2026-08-15 06:07 639223708284754056
40 ms 198.41.223.59
18 2026-08-15 05:52 639223699061259933
67 ms 198.41.223.59
17 2026-08-15 05:36 639223689592545140
26 ms 198.41.223.59
16 2026-08-15 05:20 639223680143410810
46 ms 198.41.223.59
15 2026-08-15 05:04 639223670514517104
37 ms 198.41.223.59
14 2026-08-15 04:11 639223638855054294
29 ms 198.41.223.59
13 2026-08-15 03:56 639223629623335972
7 ms 198.41.223.59
12 2026-08-15 03:41 639223620390189495
7 ms 198.41.223.59
11 2026-08-15 03:25 639223610916950440
8 ms 198.41.223.59
10 2026-08-15 03:09 639223601597759168
22 ms 198.41.223.59
9 2026-08-15 02:54 639223592342172093
22 ms 198.41.223.59
8 2026-08-15 02:39 639223583324121497
140 ms 198.41.223.59
7 2026-08-15 02:23 639223574086714218
46 ms 198.41.223.59
6 2026-08-15 02:08 639223564698424889
15 ms 198.41.223.59
5 2026-08-15 01:52 639223555408664206
14 ms 198.41.223.59
4 2026-08-15 01:37 639223546000912416
40 ms 198.41.223.59
3 2026-08-15 01:21 639223536550774847
9 ms 198.41.223.59
2 2026-08-15 00:29 639223505017205611
14 ms 198.41.223.59
1 2026-08-15 00:13 639223495784410207
20 ms 198.41.223.59