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 2026-08-21. For this date, NameServerHistory found 72 DNS check records, 72 successful responses, 0 failed responses, and 368 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

72

Historical checks stored for this nameserver on selected date

Average Latency

368 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-21 23:46

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

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 ns2.cortex.com

Showing DNS history for 2026-08-21 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 2026-08-21 23:46 639229527598660841
4023 ms 198.41.223.59
71 2026-08-21 23:30 639229517954323214
35 ms 198.41.223.59
70 2026-08-21 23:14 639229508269999021
2053 ms 198.41.223.59
69 2026-08-21 22:57 639229498559060171
30 ms 198.41.223.59
68 2026-08-21 22:41 639229488519347586
31 ms 198.41.223.59
67 2026-08-21 21:47 639229456606578934
29 ms 198.41.223.59
66 2026-08-21 21:31 639229446985772499
34 ms 198.41.223.59
65 2026-08-21 21:15 639229437367313098
46 ms 198.41.223.59
64 2026-08-21 21:00 639229427923950391
10 ms 198.41.223.59
63 2026-08-21 20:43 639229418168588854
12 ms 198.41.223.59
62 2026-08-21 20:27 639229408345678334
131 ms 198.41.223.59
61 2026-08-21 20:11 639229398616354648
48 ms 198.41.223.59
60 2026-08-21 19:54 639229388634592323
23 ms 198.41.223.59
59 2026-08-21 19:38 639229378792837692
52 ms 198.41.223.59
58 2026-08-21 19:22 639229369154682311
21 ms 198.41.223.59
57 2026-08-21 19:05 639229359248017926
16 ms 198.41.223.59
56 2026-08-21 18:48 639229349124294642
115 ms 198.41.223.59
55 2026-08-21 17:56 639229317791715692
16 ms 198.41.223.59
54 2026-08-21 17:40 639229308115194575
63 ms 198.41.223.59
53 2026-08-21 17:24 639229298320320558
15 ms 198.41.223.59
52 2026-08-21 17:07 639229288674863221
2048 ms 198.41.223.59
51 2026-08-21 16:51 639229278983677079
12 ms 198.41.223.59
50 2026-08-21 16:35 639229269405517175
10 ms 198.41.223.59
49 2026-08-21 16:19 639229259594798244
44 ms 198.41.223.59
48 2026-08-21 16:03 639229249736681188
84 ms 198.41.223.59
47 2026-08-21 15:46 639229239699417787
5 ms 198.41.223.59
46 2026-08-21 15:29 639229229621964033
10 ms 198.41.223.59
45 2026-08-21 15:12 639229219567270965
18 ms 198.41.223.59
44 2026-08-21 14:55 639229209406666856
31 ms 198.41.223.59
43 2026-08-21 14:03 639229177815876178
30 ms 198.41.223.59
42 2026-08-21 13:47 639229168243572685
4045 ms 198.41.223.59
41 2026-08-21 13:31 639229158599856475
22 ms 198.41.223.59
40 2026-08-21 13:15 639229148998940902
40 ms 198.41.223.59
39 2026-08-21 12:59 639229139276923594
79 ms 198.41.223.59
38 2026-08-21 12:43 639229129709912394
7 ms 198.41.223.59
37 2026-08-21 12:26 639229119801488500
11 ms 198.41.223.59
36 2026-08-21 12:10 639229110135262458
2019 ms 198.41.223.59
35 2026-08-21 11:54 639229100336051392
43 ms 198.41.223.59
34 2026-08-21 11:37 639229090641415626
35 ms 198.41.223.59
33 2026-08-21 11:21 639229080702683947
56 ms 198.41.223.59
32 2026-08-21 11:04 639229070601456699
21 ms 198.41.223.59
31 2026-08-21 10:11 639229038947447232
25 ms 198.41.223.59
30 2026-08-21 09:55 639229029268708773
14 ms 198.41.223.59
29 2026-08-21 09:39 639229019647910603
44 ms 198.41.223.59
28 2026-08-21 09:23 639229009983843738
15 ms 198.41.223.59
27 2026-08-21 09:07 639229000203331882
13 ms 198.41.223.59
26 2026-08-21 08:50 639228990302335999
24 ms 198.41.223.59
25 2026-08-21 08:34 639228980567740722
29 ms 198.41.223.59
24 2026-08-21 08:18 639228970762445174
32 ms 198.41.223.59
23 2026-08-21 08:01 639228961065054445
11 ms 198.41.223.59
22 2026-08-21 07:45 639228951224649885
65 ms 198.41.223.59
21 2026-08-21 07:29 639228941303864592
29 ms 198.41.223.59
20 2026-08-21 07:12 639228931191328583
21 ms 198.41.223.59
19 2026-08-21 06:19 639228899518173317
9 ms 198.41.223.59
18 2026-08-21 06:03 639228889785027669
173 ms 198.41.223.59
17 2026-08-21 05:47 639228880106330161
14 ms 198.41.223.59
16 2026-08-21 05:30 639228870316184091
4014 ms 198.41.223.59
15 2026-08-21 05:14 639228860695366512
5 ms 198.41.223.59
14 2026-08-21 04:58 639228851027209500
9 ms 198.41.223.59
13 2026-08-21 04:42 639228841479265462
42 ms 198.41.223.59
12 2026-08-21 04:26 639228831752962260
4 ms 198.41.223.59
11 2026-08-21 04:10 639228821953295483
12 ms 198.41.223.59
10 2026-08-21 03:53 639228812227429953
2008 ms 198.41.223.59
9 2026-08-21 03:37 639228802476107538
21 ms 198.41.223.59
8 2026-08-21 03:21 639228792525492032
2071 ms 198.41.223.59
7 2026-08-21 02:28 639228761131421385
33 ms 198.41.223.59
6 2026-08-21 02:12 639228751571206692
34 ms 198.41.223.59
5 2026-08-21 01:56 639228741705571019
2164 ms 198.41.223.59
4 2026-08-21 01:39 639228731642208228
43 ms 198.41.223.59
3 2026-08-21 00:47 639228700387002072
26 ms 198.41.223.59
2 2026-08-21 00:31 639228690742014433
8 ms 198.41.223.59
1 2026-08-21 00:15 639228680877937122
34 ms 198.41.223.59