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 2026-08-19. For this date, NameServerHistory found 75 DNS check records, 74 successful responses, 1 failed responses, and 191 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

75

Historical checks stored for this nameserver on selected date

Average Latency

191 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-19 23:55

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

74

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 2026-08-19 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 23:55 639227805445376839
2032 ms 198.41.223.59
74 2026-08-19 23:40 639227795899225951
37 ms 198.41.223.59
73 2026-08-19 23:24 639227786351762008
20 ms 198.41.223.59
72 2026-08-19 23:07 639227776640591733
2019 ms 198.41.223.59
71 2026-08-19 22:52 639227767128841282
10 ms 198.41.223.59
70 2026-08-19 22:35 639227757477304711
24 ms 198.41.223.59
69 2026-08-19 22:19 639227747572098014
2046 ms 198.41.223.59
68 2026-08-19 22:02 639227737588613113
21 ms 198.41.223.59
67 2026-08-19 21:10 639227706134603955
8 ms 198.41.223.59
66 2026-08-19 20:54 639227696589027396
8 ms 198.41.223.59
65 2026-08-19 20:38 639227687097707639
59 ms 198.41.223.59
64 2026-08-19 20:22 639227677474464487
-
63 2026-08-19 20:06 639227667767441118
44 ms 198.41.223.59
62 2026-08-19 19:50 639227657984833832
6 ms 198.41.223.59
61 2026-08-19 19:33 639227648079992640
22 ms 198.41.223.59
60 2026-08-19 19:17 639227638125048441
34 ms 198.41.223.59
59 2026-08-19 19:00 639227628211392142
25 ms 198.41.223.59
58 2026-08-19 18:43 639227618261696275
13 ms 198.41.223.59
57 2026-08-19 18:27 639227608366233645
30 ms 198.41.223.59
56 2026-08-19 18:10 639227598301787588
23 ms 198.41.223.59
55 2026-08-19 17:17 639227566241010716
11 ms 198.41.223.59
54 2026-08-19 17:00 639227556454538959
16 ms 198.41.223.59
53 2026-08-19 16:44 639227546640305542
38 ms 198.41.223.59
52 2026-08-19 16:28 639227536965466472
118 ms 198.41.223.59
51 2026-08-19 16:11 639227527048658280
70 ms 198.41.223.59
50 2026-08-19 15:55 639227517386634438
20 ms 198.41.223.59
49 2026-08-19 15:39 639227507459551637
13 ms 198.41.223.59
48 2026-08-19 15:22 639227497515595277
2050 ms 198.41.223.59
47 2026-08-19 15:05 639227487441798036
53 ms 198.41.223.59
46 2026-08-19 14:49 639227477445551863
9 ms 198.41.223.59
45 2026-08-19 14:32 639227467297067891
19 ms 198.41.223.59
44 2026-08-19 14:15 639227457057795635
11 ms 198.41.223.59
43 2026-08-19 13:22 639227425244777397
49 ms 198.41.223.59
42 2026-08-19 13:05 639227415422116485
25 ms 198.41.223.59
41 2026-08-19 12:49 639227405307256053
11 ms 198.41.223.59
40 2026-08-19 12:32 639227395396602630
34 ms 198.41.223.59
39 2026-08-19 12:16 639227385510363611
40 ms 198.41.223.59
38 2026-08-19 11:59 639227375508324850
38 ms 198.41.223.59
37 2026-08-19 11:42 639227365326611906
25 ms 198.41.223.59
36 2026-08-19 11:25 639227355360014208
32 ms 198.41.223.59
35 2026-08-19 11:08 639227345036782165
18 ms 198.41.223.59
34 2026-08-19 10:51 639227334992964533
7 ms 198.41.223.59
33 2026-08-19 10:35 639227324986605572
5 ms 198.41.223.59
32 2026-08-19 10:18 639227314928414539
27 ms 198.41.223.59
31 2026-08-19 09:25 639227283029182134
82 ms 198.41.223.59
30 2026-08-19 09:09 639227273294779350
20 ms 198.41.223.59
29 2026-08-19 08:52 639227263525231313
19 ms 198.41.223.59
28 2026-08-19 08:36 639227253578313363
9 ms 198.41.223.59
27 2026-08-19 08:19 639227243649973322
14 ms 198.41.223.59
26 2026-08-19 08:02 639227233581059317
24 ms 198.41.223.59
25 2026-08-19 07:46 639227223667352067
56 ms 198.41.223.59
24 2026-08-19 07:29 639227213714837066
34 ms 198.41.223.59
23 2026-08-19 07:13 639227203701208496
24 ms 198.41.223.59
22 2026-08-19 06:56 639227193643202179
11 ms 198.41.223.59
21 2026-08-19 06:39 639227183584431597
22 ms 198.41.223.59
20 2026-08-19 06:22 639227173347403088
38 ms 198.41.223.59
19 2026-08-19 05:29 639227141523007601
16 ms 198.41.223.59
18 2026-08-19 05:13 639227131785931574
9 ms 198.41.223.59
17 2026-08-19 04:57 639227122176475389
151 ms 198.41.223.59
16 2026-08-19 04:41 639227112668934596
13 ms 198.41.223.59
15 2026-08-19 04:24 639227102773292788
4021 ms 198.41.223.59
14 2026-08-19 04:08 639227093141136930
46 ms 198.41.223.59
13 2026-08-19 03:52 639227083449420147
9 ms 198.41.223.59
12 2026-08-19 03:36 639227073771748493
54 ms 198.41.223.59
11 2026-08-19 03:20 639227063977347614
9 ms 198.41.223.59
10 2026-08-19 03:03 639227054253519024
25 ms 198.41.223.59
9 2026-08-19 02:47 639227044381963886
8 ms 198.41.223.59
8 2026-08-19 02:30 639227034441085514
52 ms 198.41.223.59
7 2026-08-19 01:38 639227003126489968
4 ms 198.41.223.59
6 2026-08-19 01:22 639226993456311614
29 ms 198.41.223.59
5 2026-08-19 01:06 639226983847312345
12 ms 198.41.223.59
4 2026-08-19 00:50 639226974357874853
11 ms 198.41.223.59
3 2026-08-19 00:34 639226964670484721
48 ms 198.41.223.59
2 2026-08-19 00:18 639226954857899696
46 ms 198.41.223.59
1 2026-08-19 00:01 639226945091603488
14 ms 198.41.223.59