DNS response history for ns2.certona.com

ns2.certona.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 2026-08-23. For this date, NameServerHistory found 75 DNS check records, 74 successful responses, 1 failed responses, and 307 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.certona.com.
Records on Selected Date

75

Historical checks stored for this nameserver on selected date

Average Latency

307 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-23 23:45

All timestamps shown in UTC

Latest Resolved IP on Selected Date

192.16.16.6

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.certona.com

Showing DNS history for 2026-08-23 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 2026-08-23 23:45 639231254406598736
27 ms 192.16.16.6
74 2026-08-23 23:28 639231244697865594
24 ms 192.16.16.6
73 2026-08-23 23:12 639231234893504693
38 ms 192.16.16.6
72 2026-08-23 22:56 639231225024549139
19 ms 192.16.16.6
71 2026-08-23 22:39 639231214931957622
36 ms 192.16.16.6
70 2026-08-23 22:22 639231204962010549
32 ms 192.16.16.6
69 2026-08-23 22:06 639231195170138463
37 ms 192.16.16.6
68 2026-08-23 21:49 639231185235020577
18 ms 192.16.16.6
67 2026-08-23 21:33 639231175558690075
39 ms 192.16.16.6
66 2026-08-23 21:16 639231165610444012
42 ms 192.16.16.6
65 2026-08-23 20:23 639231133806425363
49 ms 192.16.16.6
64 2026-08-23 20:07 639231124203758023
19 ms 192.16.16.6
63 2026-08-23 19:51 639231114428262706
2040 ms 192.16.16.6
62 2026-08-23 19:35 639231104662480065
-
61 2026-08-23 19:19 639231094840372018
2112 ms 192.16.16.6
60 2026-08-23 19:02 639231085024583224
47 ms 192.16.16.6
59 2026-08-23 18:46 639231075257417427
34 ms 192.16.16.6
58 2026-08-23 18:30 639231065516009503
6 ms 192.16.16.6
57 2026-08-23 18:13 639231055805348837
13 ms 192.16.16.6
56 2026-08-23 17:57 639231045980373765
35 ms 192.16.16.6
55 2026-08-23 17:40 639231035984577527
35 ms 192.16.16.6
54 2026-08-23 17:24 639231025928115303
2016 ms 192.16.16.6
53 2026-08-23 16:31 639230994250157583
163 ms 192.16.16.6
52 2026-08-23 16:15 639230984476411369
22 ms 192.16.16.6
51 2026-08-23 15:59 639230974838373450
13 ms 192.16.16.6
50 2026-08-23 15:43 639230965244277645
2051 ms 192.16.16.6
49 2026-08-23 15:26 639230955522101820
2023 ms 192.16.16.6
48 2026-08-23 15:10 639230945754521603
52 ms 192.16.16.6
47 2026-08-23 14:54 639230935852040504
11 ms 192.16.16.6
46 2026-08-23 14:38 639230926222061048
43 ms 192.16.16.6
45 2026-08-23 14:21 639230916449726907
16 ms 192.16.16.6
44 2026-08-23 14:05 639230906595053086
29 ms 192.16.16.6
43 2026-08-23 13:48 639230896680429441
42 ms 192.16.16.6
42 2026-08-23 13:32 639230886630210965
23 ms 192.16.16.6
41 2026-08-23 12:40 639230855430405719
20 ms 192.16.16.6
40 2026-08-23 12:23 639230845707499136
2032 ms 192.16.16.6
39 2026-08-23 12:08 639230836186805419
44 ms 192.16.16.6
38 2026-08-23 11:51 639230826493828316
32 ms 192.16.16.6
37 2026-08-23 11:35 639230816817882996
17 ms 192.16.16.6
36 2026-08-23 11:19 639230806933854189
31 ms 192.16.16.6
35 2026-08-23 11:02 639230797120243854
48 ms 192.16.16.6
34 2026-08-23 10:46 639230787310272840
26 ms 192.16.16.6
33 2026-08-23 10:30 639230777600173142
24 ms 192.16.16.6
32 2026-08-23 10:13 639230767665024593
35 ms 192.16.16.6
31 2026-08-23 09:57 639230757720962293
134 ms 192.16.16.6
30 2026-08-23 09:40 639230747722189784
29 ms 192.16.16.6
29 2026-08-23 08:48 639230716313923480
2067 ms 192.16.16.6
28 2026-08-23 08:32 639230706813835990
11 ms 192.16.16.6
27 2026-08-23 08:15 639230696871062203
19 ms 192.16.16.6
26 2026-08-23 07:59 639230687142781616
24 ms 192.16.16.6
25 2026-08-23 07:43 639230677432142227
24 ms 192.16.16.6
24 2026-08-23 07:27 639230667686258061
75 ms 192.16.16.6
23 2026-08-23 07:11 639230658039243685
10 ms 192.16.16.6
22 2026-08-23 06:55 639230648468473803
11 ms 192.16.16.6
21 2026-08-23 06:39 639230638829658294
39 ms 192.16.16.6
20 2026-08-23 06:22 639230629247017617
56 ms 192.16.16.6
19 2026-08-23 06:07 639230619625318239
2033 ms 192.16.16.6
18 2026-08-23 05:50 639230609697630264
55 ms 192.16.16.6
17 2026-08-23 04:58 639230578570131864
57 ms 192.16.16.6
16 2026-08-23 04:42 639230568958963168
69 ms 192.16.16.6
15 2026-08-23 04:26 639230559287611211
33 ms 192.16.16.6
14 2026-08-23 04:10 639230549524312030
3 ms 192.16.16.6
13 2026-08-23 03:53 639230539739801669
39 ms 192.16.16.6
12 2026-08-23 03:37 639230530084069375
18 ms 192.16.16.6
11 2026-08-23 03:21 639230520362691441
2026 ms 192.16.16.6
10 2026-08-23 03:05 639230510677194518
2018 ms 192.16.16.6
9 2026-08-23 02:49 639230501156002646
24 ms 192.16.16.6
8 2026-08-23 02:33 639230491502198541
12 ms 192.16.16.6
7 2026-08-23 02:17 639230481860318494
6 ms 192.16.16.6
6 2026-08-23 02:00 639230471893008575
45 ms 192.16.16.6
5 2026-08-23 01:07 639230440030877421
19 ms 192.16.16.6
4 2026-08-23 00:51 639230430479725508
61 ms 192.16.16.6
3 2026-08-23 00:35 639230420875160219
19 ms 192.16.16.6
2 2026-08-23 00:19 639230411240692575
186 ms 192.16.16.6
1 2026-08-23 00:03 639230401550806607
3 ms 192.16.16.6