DNS response history for f.dns40.com

f.dns40.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 73 DNS check records, 72 successful responses, 1 failed responses, and 220 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 f.dns40.com.
Records on Selected Date

73

Historical checks stored for this nameserver on selected date

Average Latency

220 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-21 23:50

All timestamps shown in UTC

Latest Resolved IP on Selected Date

51.222.73.251

Most recently resolved hosting IP on selected date

Successful Responses

72

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 f.dns40.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
73 2026-08-21 23:50 639229527598660841
4 ms 51.222.73.251
72 2026-08-21 23:34 639229517954323214
41 ms 51.222.73.251
71 2026-08-21 23:17 639229508269999021
16 ms 51.222.73.251
70 2026-08-21 23:01 639229498559060171
42 ms 51.222.73.251
69 2026-08-21 22:45 639229488519347586
47 ms 51.222.73.251
68 2026-08-21 21:51 639229456606578934
2029 ms 51.222.73.251
67 2026-08-21 21:35 639229446985772499
11 ms 51.222.73.251
66 2026-08-21 21:19 639229437367313098
11 ms 51.222.73.251
65 2026-08-21 21:03 639229427923950391
50 ms 51.222.73.251
64 2026-08-21 20:47 639229418168588854
85 ms 51.222.73.251
63 2026-08-21 20:31 639229408345678334
25 ms 51.222.73.251
62 2026-08-21 20:15 639229398616354648
30 ms 51.222.73.251
61 2026-08-21 19:58 639229388634592323
49 ms 51.222.73.251
60 2026-08-21 19:42 639229378792837692
9 ms 51.222.73.251
59 2026-08-21 19:26 639229369154682311
34 ms 51.222.73.251
58 2026-08-21 19:09 639229359248017926
52 ms 51.222.73.251
57 2026-08-21 18:52 639229349124294642
15 ms 51.222.73.251
56 2026-08-21 18:00 639229317791715692
18 ms 51.222.73.251
55 2026-08-21 17:44 639229308115194575
2013 ms 51.222.73.251
54 2026-08-21 17:28 639229298320320558
15 ms 51.222.73.251
53 2026-08-21 17:11 639229288674863221
6 ms 51.222.73.251
52 2026-08-21 16:55 639229278983677079
9 ms 51.222.73.251
51 2026-08-21 16:39 639229269405517175
23 ms 51.222.73.251
50 2026-08-21 16:23 639229259594798244
26 ms 51.222.73.251
49 2026-08-21 16:07 639229249736681188
8 ms 51.222.73.251
48 2026-08-21 15:50 639229239699417787
2062 ms 51.222.73.251
47 2026-08-21 15:33 639229229621964033
48 ms 51.222.73.251
46 2026-08-21 15:16 639229219567270965
8 ms 51.222.73.251
45 2026-08-21 14:59 639229209406666856
28 ms 51.222.73.251
44 2026-08-21 14:07 639229177815876178
9 ms 51.222.73.251
43 2026-08-21 13:51 639229168243572685
2039 ms 51.222.73.251
42 2026-08-21 13:35 639229158599856475
-
41 2026-08-21 13:19 639229148998940902
19 ms 51.222.73.251
40 2026-08-21 13:02 639229139276923594
10 ms 51.222.73.251
39 2026-08-21 12:46 639229129709912394
7 ms 51.222.73.251
38 2026-08-21 12:30 639229119801488500
18 ms 51.222.73.251
37 2026-08-21 12:14 639229110135262458
2038 ms 51.222.73.251
36 2026-08-21 11:58 639229100336051392
9 ms 51.222.73.251
35 2026-08-21 11:41 639229090641415626
45 ms 51.222.73.251
34 2026-08-21 11:25 639229080702683947
2014 ms 51.222.73.251
33 2026-08-21 11:08 639229070601456699
175 ms 51.222.73.251
32 2026-08-21 10:15 639229038947447232
35 ms 51.222.73.251
31 2026-08-21 09:59 639229029268708773
33 ms 51.222.73.251
30 2026-08-21 09:43 639229019647910603
12 ms 51.222.73.251
29 2026-08-21 09:27 639229009983843738
6 ms 51.222.73.251
28 2026-08-21 09:11 639229000203331882
9 ms 51.222.73.251
27 2026-08-21 08:54 639228990302335999
36 ms 51.222.73.251
26 2026-08-21 08:38 639228980567740722
36 ms 51.222.73.251
25 2026-08-21 08:22 639228970762445174
41 ms 51.222.73.251
24 2026-08-21 08:05 639228961065054445
29 ms 51.222.73.251
23 2026-08-21 07:49 639228951224649885
17 ms 51.222.73.251
22 2026-08-21 07:32 639228941303864592
29 ms 51.222.73.251
21 2026-08-21 07:16 639228931191328583
36 ms 51.222.73.251
20 2026-08-21 06:23 639228899518173317
13 ms 51.222.73.251
19 2026-08-21 06:07 639228889785027669
6 ms 51.222.73.251
18 2026-08-21 05:51 639228880106330161
37 ms 51.222.73.251
17 2026-08-21 05:34 639228870316184091
39 ms 51.222.73.251
16 2026-08-21 05:18 639228860695366512
4 ms 51.222.73.251
15 2026-08-21 05:02 639228851027209500
11 ms 51.222.73.251
14 2026-08-21 04:46 639228841479265462
19 ms 51.222.73.251
13 2026-08-21 04:30 639228831752962260
6 ms 51.222.73.251
12 2026-08-21 04:14 639228821953295483
20 ms 51.222.73.251
11 2026-08-21 03:57 639228812227429953
33 ms 51.222.73.251
10 2026-08-21 03:41 639228802476107538
20 ms 51.222.73.251
9 2026-08-21 03:25 639228792525492032
11 ms 51.222.73.251
8 2026-08-21 02:32 639228761131421385
4 ms 51.222.73.251
7 2026-08-21 02:16 639228751571206692
32 ms 51.222.73.251
6 2026-08-21 02:00 639228741705571019
16 ms 51.222.73.251
5 2026-08-21 01:43 639228731642208228
2040 ms 51.222.73.251
4 2026-08-21 00:51 639228700387002072
14 ms 51.222.73.251
3 2026-08-21 00:35 639228690742014433
3 ms 51.222.73.251
2 2026-08-21 00:18 639228680877937122
4 ms 51.222.73.251
1 2026-08-21 00:02 639228670775860800
6 ms 51.222.73.251