DNS response history for ns1.certfun.com

ns1.certfun.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 45 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 ns1.certfun.com.
Records on Selected Date

75

Historical checks stored for this nameserver on selected date

Average Latency

45 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-23 23:44

All timestamps shown in UTC

Latest Resolved IP on Selected Date

185.231.223.25

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 ns1.certfun.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 23:44 639231254406598736
82 ms 185.231.223.25
74 2026-08-23 23:28 639231244697865594
25 ms 185.231.223.25
73 2026-08-23 23:12 639231234893504693
63 ms 185.231.223.25
72 2026-08-23 22:55 639231225024549139
58 ms 185.231.223.25
71 2026-08-23 22:39 639231214931957622
34 ms 185.231.223.25
70 2026-08-23 22:22 639231204962010549
72 ms 185.231.223.25
69 2026-08-23 22:06 639231195170138463
27 ms 185.231.223.25
68 2026-08-23 21:49 639231185235020577
60 ms 185.231.223.25
67 2026-08-23 21:33 639231175558690075
67 ms 185.231.223.25
66 2026-08-23 21:16 639231165610444012
52 ms 185.231.223.25
65 2026-08-23 20:23 639231133806425363
53 ms 185.231.223.25
64 2026-08-23 20:07 639231124203758023
32 ms 185.231.223.25
63 2026-08-23 19:51 639231114428262706
37 ms 185.231.223.25
62 2026-08-23 19:35 639231104662480065
31 ms 185.231.223.25
61 2026-08-23 19:18 639231094840372018
9 ms 185.231.223.25
60 2026-08-23 19:02 639231085024583224
29 ms 185.231.223.25
59 2026-08-23 18:46 639231075257417427
90 ms 185.231.223.25
58 2026-08-23 18:30 639231065516009503
144 ms 185.231.223.25
57 2026-08-23 18:13 639231055805348837
50 ms 185.231.223.25
56 2026-08-23 17:57 639231045980373765
55 ms 185.231.223.25
55 2026-08-23 17:40 639231035984577527
75 ms 185.231.223.25
54 2026-08-23 17:23 639231025928115303
24 ms 185.231.223.25
53 2026-08-23 16:31 639230994250157583
5 ms 185.231.223.25
52 2026-08-23 16:14 639230984476411369
22 ms 185.231.223.25
51 2026-08-23 15:58 639230974838373450
66 ms 185.231.223.25
50 2026-08-23 15:42 639230965244277645
8 ms 185.231.223.25
49 2026-08-23 15:26 639230955522101820
45 ms 185.231.223.25
48 2026-08-23 15:10 639230945754521603
50 ms 185.231.223.25
47 2026-08-23 14:53 639230935852040504
26 ms 185.231.223.25
46 2026-08-23 14:37 639230926222061048
79 ms 185.231.223.25
45 2026-08-23 14:21 639230916449726907
57 ms 185.231.223.25
44 2026-08-23 14:05 639230906595053086
141 ms 185.231.223.25
43 2026-08-23 13:48 639230896680429441
-
42 2026-08-23 13:31 639230886630210965
18 ms 185.231.223.25
41 2026-08-23 12:39 639230855430405719
21 ms 185.231.223.25
40 2026-08-23 12:23 639230845707499136
35 ms 185.231.223.25
39 2026-08-23 12:07 639230836186805419
6 ms 185.231.223.25
38 2026-08-23 11:51 639230826493828316
42 ms 185.231.223.25
37 2026-08-23 11:35 639230816817882996
46 ms 185.231.223.25
36 2026-08-23 11:19 639230806933854189
31 ms 185.231.223.25
35 2026-08-23 11:02 639230797120243854
23 ms 185.231.223.25
34 2026-08-23 10:46 639230787310272840
16 ms 185.231.223.25
33 2026-08-23 10:30 639230777600173142
28 ms 185.231.223.25
32 2026-08-23 10:13 639230767665024593
53 ms 185.231.223.25
31 2026-08-23 09:56 639230757720962293
17 ms 185.231.223.25
30 2026-08-23 09:40 639230747722189784
48 ms 185.231.223.25
29 2026-08-23 08:48 639230716313923480
24 ms 185.231.223.25
28 2026-08-23 08:32 639230706813835990
5 ms 185.231.223.25
27 2026-08-23 08:15 639230696871062203
32 ms 185.231.223.25
26 2026-08-23 07:59 639230687142781616
23 ms 185.231.223.25
25 2026-08-23 07:43 639230677432142227
15 ms 185.231.223.25
24 2026-08-23 07:26 639230667686258061
54 ms 185.231.223.25
23 2026-08-23 07:10 639230658039243685
46 ms 185.231.223.25
22 2026-08-23 06:54 639230648468473803
3 ms 185.231.223.25
21 2026-08-23 06:38 639230638829658294
68 ms 185.231.223.25
20 2026-08-23 06:22 639230629247017617
25 ms 185.231.223.25
19 2026-08-23 06:06 639230619625318239
22 ms 185.231.223.25
18 2026-08-23 05:50 639230609697630264
135 ms 185.231.223.25
17 2026-08-23 04:58 639230578570131864
24 ms 185.231.223.25
16 2026-08-23 04:42 639230568958963168
7 ms 185.231.223.25
15 2026-08-23 04:26 639230559287611211
45 ms 185.231.223.25
14 2026-08-23 04:10 639230549524312030
26 ms 185.231.223.25
13 2026-08-23 03:53 639230539739801669
60 ms 185.231.223.25
12 2026-08-23 03:37 639230530084069375
123 ms 185.231.223.25
11 2026-08-23 03:21 639230520362691441
25 ms 185.231.223.25
10 2026-08-23 03:05 639230510677194518
42 ms 185.231.223.25
9 2026-08-23 02:49 639230501156002646
44 ms 185.231.223.25
8 2026-08-23 02:33 639230491502198541
29 ms 185.231.223.25
7 2026-08-23 02:17 639230481860318494
210 ms 185.231.223.25
6 2026-08-23 02:00 639230471893008575
65 ms 185.231.223.25
5 2026-08-23 01:07 639230440030877421
18 ms 185.231.223.25
4 2026-08-23 00:51 639230430479725508
12 ms 185.231.223.25
3 2026-08-23 00:35 639230420875160219
26 ms 185.231.223.25
2 2026-08-23 00:19 639230411240692575
66 ms 185.231.223.25
1 2026-08-23 00:03 639230401550806607
27 ms 185.231.223.25