DNS response history for a.dns40.com

a.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 159 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 a.dns40.com.
Records on Selected Date

73

Historical checks stored for this nameserver on selected date

Average Latency

159 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

198.50.175.168

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 a.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
6 ms 198.50.175.168
72 2026-08-21 23:34 639229517954323214
17 ms 198.50.175.168
71 2026-08-21 23:18 639229508269999021
42 ms 198.50.175.168
70 2026-08-21 23:02 639229498559060171
33 ms 198.50.175.168
69 2026-08-21 22:45 639229488519347586
9 ms 198.50.175.168
68 2026-08-21 21:52 639229456606578934
26 ms 198.50.175.168
67 2026-08-21 21:36 639229446985772499
20 ms 198.50.175.168
66 2026-08-21 21:20 639229437367313098
26 ms 198.50.175.168
65 2026-08-21 21:04 639229427923950391
7 ms 198.50.175.168
64 2026-08-21 20:48 639229418168588854
7 ms 198.50.175.168
63 2026-08-21 20:32 639229408345678334
5 ms 198.50.175.168
62 2026-08-21 20:15 639229398616354648
13 ms 198.50.175.168
61 2026-08-21 19:59 639229388634592323
8 ms 198.50.175.168
60 2026-08-21 19:42 639229378792837692
29 ms 198.50.175.168
59 2026-08-21 19:26 639229369154682311
4 ms 198.50.175.168
58 2026-08-21 19:10 639229359248017926
7 ms 198.50.175.168
57 2026-08-21 18:53 639229349124294642
2038 ms 198.50.175.168
56 2026-08-21 18:01 639229317791715692
9 ms 198.50.175.168
55 2026-08-21 17:44 639229308115194575
23 ms 198.50.175.168
54 2026-08-21 17:28 639229298320320558
6 ms 198.50.175.168
53 2026-08-21 17:12 639229288674863221
14 ms 198.50.175.168
52 2026-08-21 16:56 639229278983677079
6 ms 198.50.175.168
51 2026-08-21 16:40 639229269405517175
13 ms 198.50.175.168
50 2026-08-21 16:24 639229259594798244
51 ms 198.50.175.168
49 2026-08-21 16:07 639229249736681188
9 ms 198.50.175.168
48 2026-08-21 15:50 639229239699417787
5 ms 198.50.175.168
47 2026-08-21 15:34 639229229621964033
11 ms 198.50.175.168
46 2026-08-21 15:17 639229219567270965
26 ms 198.50.175.168
45 2026-08-21 15:00 639229209406666856
2043 ms 198.50.175.168
44 2026-08-21 14:07 639229177815876178
2029 ms 198.50.175.168
43 2026-08-21 13:51 639229168243572685
9 ms 198.50.175.168
42 2026-08-21 13:35 639229158599856475
49 ms 198.50.175.168
41 2026-08-21 13:19 639229148998940902
73 ms 198.50.175.168
40 2026-08-21 13:03 639229139276923594
34 ms 198.50.175.168
39 2026-08-21 12:47 639229129709912394
73 ms 198.50.175.168
38 2026-08-21 12:31 639229119801488500
10 ms 198.50.175.168
37 2026-08-21 12:14 639229110135262458
19 ms 198.50.175.168
36 2026-08-21 11:58 639229100336051392
6 ms 198.50.175.168
35 2026-08-21 11:42 639229090641415626
16 ms 198.50.175.168
34 2026-08-21 11:25 639229080702683947
6 ms 198.50.175.168
33 2026-08-21 11:09 639229070601456699
5 ms 198.50.175.168
32 2026-08-21 10:16 639229038947447232
7 ms 198.50.175.168
31 2026-08-21 10:00 639229029268708773
5 ms 198.50.175.168
30 2026-08-21 09:44 639229019647910603
48 ms 198.50.175.168
29 2026-08-21 09:28 639229009983843738
22 ms 198.50.175.168
28 2026-08-21 09:12 639229000203331882
-
27 2026-08-21 08:55 639228990302335999
25 ms 198.50.175.168
26 2026-08-21 08:39 639228980567740722
7 ms 198.50.175.168
25 2026-08-21 08:22 639228970762445174
24 ms 198.50.175.168
24 2026-08-21 08:06 639228961065054445
8 ms 198.50.175.168
23 2026-08-21 07:50 639228951224649885
9 ms 198.50.175.168
22 2026-08-21 07:33 639228941303864592
6 ms 198.50.175.168
21 2026-08-21 07:16 639228931191328583
31 ms 198.50.175.168
20 2026-08-21 06:24 639228899518173317
9 ms 198.50.175.168
19 2026-08-21 06:07 639228889785027669
30 ms 198.50.175.168
18 2026-08-21 05:51 639228880106330161
39 ms 198.50.175.168
17 2026-08-21 05:35 639228870316184091
10 ms 198.50.175.168
16 2026-08-21 05:19 639228860695366512
30 ms 198.50.175.168
15 2026-08-21 05:03 639228851027209500
15 ms 198.50.175.168
14 2026-08-21 04:47 639228841479265462
2029 ms 198.50.175.168
13 2026-08-21 04:31 639228831752962260
23 ms 198.50.175.168
12 2026-08-21 04:14 639228821953295483
11 ms 198.50.175.168
11 2026-08-21 03:58 639228812227429953
12 ms 198.50.175.168
10 2026-08-21 03:42 639228802476107538
26 ms 198.50.175.168
9 2026-08-21 03:25 639228792525492032
42 ms 198.50.175.168
8 2026-08-21 02:33 639228761131421385
8 ms 198.50.175.168
7 2026-08-21 02:17 639228751571206692
5 ms 198.50.175.168
6 2026-08-21 02:00 639228741705571019
17 ms 198.50.175.168
5 2026-08-21 01:44 639228731642208228
11 ms 198.50.175.168
4 2026-08-21 00:52 639228700387002072
8 ms 198.50.175.168
3 2026-08-21 00:35 639228690742014433
20 ms 198.50.175.168
2 2026-08-21 00:19 639228680877937122
27 ms 198.50.175.168
1 2026-08-21 00:02 639228670775860800
2022 ms 198.50.175.168