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 2026-08-17. For this date, NameServerHistory found 72 DNS check records, 71 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 ns2.cortex.com.
Records on Selected Date

72

Historical checks stored for this nameserver on selected date

Average Latency

173 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-17 23:47

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

71

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 2026-08-17 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 2026-08-17 23:47 639226072268080268
25 ms 198.41.223.59
71 2026-08-17 23:31 639226062577647657
17 ms 198.41.223.59
70 2026-08-17 22:38 639226031060857136
26 ms 198.41.223.59
69 2026-08-17 22:22 639226021535117364
9 ms 198.41.223.59
68 2026-08-17 22:06 639226011884237078
43 ms 198.41.223.59
67 2026-08-17 21:50 639226002309299142
47 ms 198.41.223.59
66 2026-08-17 21:34 639225992791784448
41 ms 198.41.223.59
65 2026-08-17 21:18 639225983045271390
42 ms 198.41.223.59
64 2026-08-17 21:02 639225973246293513
17 ms 198.41.223.59
63 2026-08-17 20:46 639225963620186236
36 ms 198.41.223.59
62 2026-08-17 20:29 639225953899183916
16 ms 198.41.223.59
61 2026-08-17 20:14 639225944391528206
18 ms 198.41.223.59
60 2026-08-17 19:57 639225934593254169
20 ms 198.41.223.59
59 2026-08-17 19:41 639225924669984512
45 ms 198.41.223.59
58 2026-08-17 18:48 639225893048561320
20 ms 198.41.223.59
57 2026-08-17 18:32 639225883481298424
25 ms 198.41.223.59
56 2026-08-17 18:16 639225873845394034
152 ms 198.41.223.59
55 2026-08-17 18:00 639225864216078662
14 ms 198.41.223.59
54 2026-08-17 17:44 639225854541857773
9 ms 198.41.223.59
53 2026-08-17 17:28 639225844733604072
2058 ms 198.41.223.59
52 2026-08-17 17:12 639225835085229232
19 ms 198.41.223.59
51 2026-08-17 16:55 639225825349373981
36 ms 198.41.223.59
50 2026-08-17 16:39 639225815690604161
41 ms 198.41.223.59
49 2026-08-17 16:23 639225805952472306
8 ms 198.41.223.59
48 2026-08-17 16:07 639225796264729638
17 ms 198.41.223.59
47 2026-08-17 15:50 639225786326499329
49 ms 198.41.223.59
46 2026-08-17 14:58 639225754798130711
23 ms 198.41.223.59
45 2026-08-17 14:42 639225745123193922
13 ms 198.41.223.59
44 2026-08-17 14:26 639225735540597271
17 ms 198.41.223.59
43 2026-08-17 14:09 639225725894857396
41 ms 198.41.223.59
42 2026-08-17 13:53 639225716249606913
10 ms 198.41.223.59
41 2026-08-17 13:37 639225706638238179
36 ms 198.41.223.59
40 2026-08-17 13:21 639225696949691423
12 ms 198.41.223.59
39 2026-08-17 13:05 639225687286186336
32 ms 198.41.223.59
38 2026-08-17 12:49 639225677679573133
12 ms 198.41.223.59
37 2026-08-17 12:33 639225667957861024
108 ms 198.41.223.59
36 2026-08-17 12:17 639225658298791618
14 ms 198.41.223.59
35 2026-08-17 12:01 639225648583652785
66 ms 198.41.223.59
34 2026-08-17 11:08 639225617000524308
29 ms 198.41.223.59
33 2026-08-17 10:52 639225607668541600
22 ms 198.41.223.59
32 2026-08-17 10:37 639225598117279238
17 ms 198.41.223.59
31 2026-08-17 10:21 639225588751002710
27 ms 198.41.223.59
30 2026-08-17 10:05 639225579295831051
11 ms 198.41.223.59
29 2026-08-17 09:49 639225569761469940
32 ms 198.41.223.59
28 2026-08-17 09:33 639225560161422333
49 ms 198.41.223.59
27 2026-08-17 09:18 639225550739955565
17 ms 198.41.223.59
26 2026-08-17 09:02 639225541125222426
2034 ms 198.41.223.59
25 2026-08-17 08:46 639225531526675983
55 ms 198.41.223.59
24 2026-08-17 08:30 639225521915528222
19 ms 198.41.223.59
23 2026-08-17 08:13 639225512148151789
2065 ms 198.41.223.59
22 2026-08-17 07:21 639225480786142412
13 ms 198.41.223.59
21 2026-08-17 07:05 639225471394348551
30 ms 198.41.223.59
20 2026-08-17 06:50 639225462031685068
47 ms 198.41.223.59
19 2026-08-17 06:34 639225452639458328
37 ms 198.41.223.59
18 2026-08-17 06:19 639225443300966543
37 ms 198.41.223.59
17 2026-08-17 06:03 639225433880499379
8 ms 198.41.223.59
16 2026-08-17 05:47 639225424395198277
11 ms 198.41.223.59
15 2026-08-17 05:31 639225414744137487
8 ms 198.41.223.59
14 2026-08-17 05:15 639225405186783164
40 ms 198.41.223.59
13 2026-08-17 04:59 639225395563669822
42 ms 198.41.223.59
12 2026-08-17 04:43 639225386076645158
4044 ms 198.41.223.59
11 2026-08-17 04:27 639225376620669704
28 ms 198.41.223.59
10 2026-08-17 03:36 639225345580892706
41 ms 198.41.223.59
9 2026-08-17 03:20 639225336207383710
17 ms 198.41.223.59
8 2026-08-17 03:04 639225326726565001
65 ms 198.41.223.59
7 2026-08-17 02:48 639225317249271010
74 ms 198.41.223.59
6 2026-08-17 01:57 639225286280886044
-
5 2026-08-17 01:41 639225276872567548
47 ms 198.41.223.59
4 2026-08-17 01:25 639225267353865348
85 ms 198.41.223.59
3 2026-08-17 01:10 639225258033914248
8 ms 198.41.223.59
2 2026-08-17 00:17 639225226652221583
9 ms 198.41.223.59
1 2026-08-17 00:02 639225217156387684
14 ms 198.41.223.59