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 2026-08-10. For this date, NameServerHistory found 82 DNS check records, 81 successful responses, 1 failed responses, and 249 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

82

Historical checks stored for this nameserver on selected date

Average Latency

249 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-10 23:58

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

81

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 2026-08-10 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
82 2026-08-10 23:58 639220027366289509
2020 ms 51.222.73.251
81 2026-08-10 23:42 639220018272941900
11 ms 51.222.73.251
80 2026-08-10 23:27 639220009109892969
6 ms 51.222.73.251
79 2026-08-10 23:12 639220000040489788
37 ms 51.222.73.251
78 2026-08-10 22:57 639219991197135747
9 ms 51.222.73.251
77 2026-08-10 22:42 639219982104540014
41 ms 51.222.73.251
76 2026-08-10 22:27 639219973150300215
99 ms 51.222.73.251
75 2026-08-10 22:12 639219964188486697
39 ms 51.222.73.251
74 2026-08-10 21:57 639219954995921784
5 ms 51.222.73.251
73 2026-08-10 21:41 639219945559908104
28 ms 51.222.73.251
72 2026-08-10 20:47 639219914137782273
2015 ms 51.222.73.251
71 2026-08-10 20:32 639219904858355064
-
70 2026-08-10 20:16 639219895655263396
30 ms 51.222.73.251
69 2026-08-10 20:01 639219886527091074
5 ms 51.222.73.251
68 2026-08-10 19:46 639219877343266628
16 ms 51.222.73.251
67 2026-08-10 19:30 639219868177358195
20 ms 51.222.73.251
66 2026-08-10 19:15 639219859159581515
51 ms 51.222.73.251
65 2026-08-10 19:00 639219850124020182
50 ms 51.222.73.251
64 2026-08-10 18:45 639219840940124840
43 ms 51.222.73.251
63 2026-08-10 18:30 639219831829876486
19 ms 51.222.73.251
62 2026-08-10 18:14 639219822587759143
31 ms 51.222.73.251
61 2026-08-10 17:59 639219813247114428
34 ms 51.222.73.251
60 2026-08-10 17:08 639219781959606396
17 ms 51.222.73.251
59 2026-08-10 16:52 639219772658305431
6 ms 51.222.73.251
58 2026-08-10 16:37 639219763454523027
9 ms 51.222.73.251
57 2026-08-10 16:22 639219754279127815
23 ms 51.222.73.251
56 2026-08-10 16:06 639219745087467767
29 ms 51.222.73.251
55 2026-08-10 15:51 639219735900678107
45 ms 51.222.73.251
54 2026-08-10 15:35 639219726531461979
11 ms 51.222.73.251
53 2026-08-10 15:20 639219717415222156
11 ms 51.222.73.251
52 2026-08-10 15:05 639219708266470863
42 ms 51.222.73.251
51 2026-08-10 14:49 639219699049479559
14 ms 51.222.73.251
50 2026-08-10 14:34 639219689775815194
5 ms 51.222.73.251
49 2026-08-10 14:19 639219680511810632
26 ms 51.222.73.251
48 2026-08-10 13:25 639219648997191257
2049 ms 51.222.73.251
47 2026-08-10 13:10 639219639938909436
5 ms 51.222.73.251
46 2026-08-10 12:55 639219630718286441
4039 ms 51.222.73.251
45 2026-08-10 12:39 639219621472350410
8 ms 51.222.73.251
44 2026-08-10 12:24 639219612500421992
22 ms 51.222.73.251
43 2026-08-10 12:09 639219603383833445
54 ms 51.222.73.251
42 2026-08-10 11:54 639219594143823358
21 ms 51.222.73.251
41 2026-08-10 11:39 639219585053166024
38 ms 51.222.73.251
40 2026-08-10 11:23 639219575885776644
21 ms 51.222.73.251
39 2026-08-10 11:08 639219566844532361
6 ms 51.222.73.251
38 2026-08-10 10:53 639219557705808294
26 ms 51.222.73.251
37 2026-08-10 10:38 639219548482688649
58 ms 51.222.73.251
36 2026-08-10 09:46 639219517492763539
31 ms 51.222.73.251
35 2026-08-10 09:32 639219508755773605
24 ms 51.222.73.251
34 2026-08-10 09:17 639219499852103863
26 ms 51.222.73.251
33 2026-08-10 09:02 639219490893714387
23 ms 51.222.73.251
32 2026-08-10 08:48 639219482299305521
79 ms 51.222.73.251
31 2026-08-10 08:33 639219473613114853
45 ms 51.222.73.251
30 2026-08-10 08:19 639219465061138643
2037 ms 51.222.73.251
29 2026-08-10 08:05 639219456616129015
15 ms 51.222.73.251
28 2026-08-10 07:50 639219447974008557
6 ms 51.222.73.251
27 2026-08-10 07:36 639219439498255213
54 ms 51.222.73.251
26 2026-08-10 07:22 639219430664872256
51 ms 51.222.73.251
25 2026-08-10 07:07 639219421757560037
7 ms 51.222.73.251
24 2026-08-10 06:14 639219390773218684
30 ms 51.222.73.251
23 2026-08-10 06:00 639219382205367722
50 ms 51.222.73.251
22 2026-08-10 05:46 639219373711937615
53 ms 51.222.73.251
21 2026-08-10 05:31 639219365088558404
2015 ms 51.222.73.251
20 2026-08-10 05:17 639219356348833255
55 ms 51.222.73.251
19 2026-08-10 05:03 639219347860053478
49 ms 51.222.73.251
18 2026-08-10 04:48 639219339173195121
26 ms 51.222.73.251
17 2026-08-10 04:34 639219330642664669
29 ms 51.222.73.251
16 2026-08-10 04:20 639219322058698995
27 ms 51.222.73.251
15 2026-08-10 04:05 639219313564344199
37 ms 51.222.73.251
14 2026-08-10 03:51 639219304775113236
2017 ms 51.222.73.251
13 2026-08-10 03:36 639219295706181119
2018 ms 51.222.73.251
12 2026-08-10 02:45 639219264663923254
17 ms 51.222.73.251
11 2026-08-10 02:31 639219256015178099
4 ms 51.222.73.251
10 2026-08-10 02:17 639219247509540188
24 ms 51.222.73.251
9 2026-08-10 02:02 639219238999539092
6 ms 51.222.73.251
8 2026-08-10 01:48 639219230498823902
27 ms 51.222.73.251
7 2026-08-10 01:34 639219221706460911
10 ms 51.222.73.251
6 2026-08-10 01:19 639219212930606887
4 ms 51.222.73.251
5 2026-08-10 01:05 639219204307908525
6 ms 51.222.73.251
4 2026-08-10 00:50 639219195720181470
8 ms 51.222.73.251
3 2026-08-10 00:36 639219186898174002
17 ms 51.222.73.251
2 2026-08-10 00:21 639219178004946976
5 ms 51.222.73.251
1 2026-08-10 00:06 639219168958805474
5 ms 51.222.73.251