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 2026-08-21. For this date, NameServerHistory found 72 DNS check records, 70 successful responses, 2 failed responses, and 50 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

72

Historical checks stored for this nameserver on selected date

Average Latency

50 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

185.231.223.25

Most recently resolved hosting IP on selected date

Successful Responses

70

Checks that returned a measurable response

Failed Responses

2

Checks with no response or no returned latency

Failure Rate

3%

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 2026-08-21 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
34 ms 185.231.223.25
71 2026-08-21 23:30 639229517954323214
28 ms 185.231.223.25
70 2026-08-21 23:14 639229508269999021
24 ms 185.231.223.25
69 2026-08-21 22:58 639229498559060171
53 ms 185.231.223.25
68 2026-08-21 22:41 639229488519347586
56 ms 185.231.223.25
67 2026-08-21 21:48 639229456606578934
7 ms 185.231.223.25
66 2026-08-21 21:32 639229446985772499
31 ms 185.231.223.25
65 2026-08-21 21:16 639229437367313098
61 ms 185.231.223.25
64 2026-08-21 21:00 639229427923950391
54 ms 185.231.223.25
63 2026-08-21 20:44 639229418168588854
13 ms 185.231.223.25
62 2026-08-21 20:28 639229408345678334
58 ms 185.231.223.25
61 2026-08-21 20:11 639229398616354648
30 ms 185.231.223.25
60 2026-08-21 19:55 639229388634592323
28 ms 185.231.223.25
59 2026-08-21 19:38 639229378792837692
84 ms 185.231.223.25
58 2026-08-21 19:22 639229369154682311
21 ms 185.231.223.25
57 2026-08-21 19:06 639229359248017926
40 ms 185.231.223.25
56 2026-08-21 18:49 639229349124294642
88 ms 185.231.223.25
55 2026-08-21 17:57 639229317791715692
21 ms 185.231.223.25
54 2026-08-21 17:40 639229308115194575
29 ms 185.231.223.25
53 2026-08-21 17:24 639229298320320558
43 ms 185.231.223.25
52 2026-08-21 17:08 639229288674863221
43 ms 185.231.223.25
51 2026-08-21 16:52 639229278983677079
31 ms 185.231.223.25
50 2026-08-21 16:36 639229269405517175
60 ms 185.231.223.25
49 2026-08-21 16:20 639229259594798244
25 ms 185.231.223.25
48 2026-08-21 16:03 639229249736681188
57 ms 185.231.223.25
47 2026-08-21 15:46 639229239699417787
18 ms 185.231.223.25
46 2026-08-21 15:30 639229229621964033
68 ms 185.231.223.25
45 2026-08-21 15:13 639229219567270965
19 ms 185.231.223.25
44 2026-08-21 14:56 639229209406666856
209 ms 185.231.223.25
43 2026-08-21 14:03 639229177815876178
29 ms 185.231.223.25
42 2026-08-21 13:47 639229168243572685
-
41 2026-08-21 13:31 639229158599856475
88 ms 185.231.223.25
40 2026-08-21 13:15 639229148998940902
95 ms 185.231.223.25
39 2026-08-21 12:59 639229139276923594
132 ms 185.231.223.25
38 2026-08-21 12:43 639229129709912394
58 ms 185.231.223.25
37 2026-08-21 12:27 639229119801488500
68 ms 185.231.223.25
36 2026-08-21 12:10 639229110135262458
20 ms 185.231.223.25
35 2026-08-21 11:54 639229100336051392
51 ms 185.231.223.25
34 2026-08-21 11:38 639229090641415626
29 ms 185.231.223.25
33 2026-08-21 11:21 639229080702683947
52 ms 185.231.223.25
32 2026-08-21 11:05 639229070601456699
55 ms 185.231.223.25
31 2026-08-21 10:12 639229038947447232
54 ms 185.231.223.25
30 2026-08-21 09:56 639229029268708773
34 ms 185.231.223.25
29 2026-08-21 09:40 639229019647910603
-
28 2026-08-21 09:24 639229009983843738
19 ms 185.231.223.25
27 2026-08-21 09:07 639229000203331882
22 ms 185.231.223.25
26 2026-08-21 08:51 639228990302335999
29 ms 185.231.223.25
25 2026-08-21 08:35 639228980567740722
11 ms 185.231.223.25
24 2026-08-21 08:18 639228970762445174
60 ms 185.231.223.25
23 2026-08-21 08:02 639228961065054445
3 ms 185.231.223.25
22 2026-08-21 07:46 639228951224649885
293 ms 185.231.223.25
21 2026-08-21 07:29 639228941303864592
30 ms 185.231.223.25
20 2026-08-21 07:12 639228931191328583
66 ms 185.231.223.25
19 2026-08-21 06:20 639228899518173317
20 ms 185.231.223.25
18 2026-08-21 06:03 639228889785027669
21 ms 185.231.223.25
17 2026-08-21 05:47 639228880106330161
26 ms 185.231.223.25
16 2026-08-21 05:31 639228870316184091
25 ms 185.231.223.25
15 2026-08-21 05:15 639228860695366512
50 ms 185.231.223.25
14 2026-08-21 04:59 639228851027209500
26 ms 185.231.223.25
13 2026-08-21 04:43 639228841479265462
25 ms 185.231.223.25
12 2026-08-21 04:27 639228831752962260
149 ms 185.231.223.25
11 2026-08-21 04:10 639228821953295483
87 ms 185.231.223.25
10 2026-08-21 03:54 639228812227429953
48 ms 185.231.223.25
9 2026-08-21 03:38 639228802476107538
19 ms 185.231.223.25
8 2026-08-21 03:21 639228792525492032
56 ms 185.231.223.25
7 2026-08-21 02:29 639228761131421385
23 ms 185.231.223.25
6 2026-08-21 02:13 639228751571206692
10 ms 185.231.223.25
5 2026-08-21 01:56 639228741705571019
21 ms 185.231.223.25
4 2026-08-21 01:40 639228731642208228
54 ms 185.231.223.25
3 2026-08-21 00:48 639228700387002072
50 ms 185.231.223.25
2 2026-08-21 00:31 639228690742014433
76 ms 185.231.223.25
1 2026-08-21 00:15 639228680877937122
59 ms 185.231.223.25