DNS response history for ns-a.4foo.net

ns-a.4foo.net 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 294 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 ns-a.4foo.net.
Records on Selected Date

73

Historical checks stored for this nameserver on selected date

Average Latency

294 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-21 23:53

All timestamps shown in UTC

Latest Resolved IP on Selected Date

81.9.105.50

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 ns-a.4foo.net

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 23:53 639229527598660841
71 ms 81.9.105.50
72 2026-08-21 23:37 639229517954323214
120 ms 81.9.105.50
71 2026-08-21 23:21 639229508269999021
48 ms 81.9.105.50
70 2026-08-21 23:05 639229498559060171
46 ms 81.9.105.50
69 2026-08-21 22:48 639229488519347586
59 ms 81.9.105.50
68 2026-08-21 21:55 639229456606578934
51 ms 81.9.105.50
67 2026-08-21 21:39 639229446985772499
102 ms 81.9.105.50
66 2026-08-21 21:23 639229437367313098
55 ms 81.9.105.50
65 2026-08-21 21:07 639229427923950391
78 ms 81.9.105.50
64 2026-08-21 20:51 639229418168588854
2054 ms 81.9.105.50
63 2026-08-21 20:34 639229408345678334
97 ms 81.9.105.50
62 2026-08-21 20:18 639229398616354648
78 ms 81.9.105.50
61 2026-08-21 20:02 639229388634592323
104 ms 81.9.105.50
60 2026-08-21 19:45 639229378792837692
61 ms 81.9.105.50
59 2026-08-21 19:29 639229369154682311
94 ms 81.9.105.50
58 2026-08-21 19:13 639229359248017926
103 ms 81.9.105.50
57 2026-08-21 18:56 639229349124294642
69 ms 81.9.105.50
56 2026-08-21 18:04 639229317791715692
66 ms 81.9.105.50
55 2026-08-21 17:48 639229308115194575
85 ms 81.9.105.50
54 2026-08-21 17:31 639229298320320558
106 ms 81.9.105.50
53 2026-08-21 17:15 639229288674863221
84 ms 81.9.105.50
52 2026-08-21 16:59 639229278983677079
64 ms 81.9.105.50
51 2026-08-21 16:43 639229269405517175
52 ms 81.9.105.50
50 2026-08-21 16:27 639229259594798244
78 ms 81.9.105.50
49 2026-08-21 16:10 639229249736681188
95 ms 81.9.105.50
48 2026-08-21 15:53 639229239699417787
57 ms 81.9.105.50
47 2026-08-21 15:37 639229229621964033
2056 ms 81.9.105.50
46 2026-08-21 15:20 639229219567270965
79 ms 81.9.105.50
45 2026-08-21 15:03 639229209406666856
97 ms 81.9.105.50
44 2026-08-21 14:10 639229177815876178
2082 ms 81.9.105.50
43 2026-08-21 13:54 639229168243572685
75 ms 81.9.105.50
42 2026-08-21 13:38 639229158599856475
82 ms 81.9.105.50
41 2026-08-21 13:22 639229148998940902
85 ms 81.9.105.50
40 2026-08-21 13:06 639229139276923594
-
39 2026-08-21 12:50 639229129709912394
107 ms 81.9.105.50
38 2026-08-21 12:34 639229119801488500
106 ms 81.9.105.50
37 2026-08-21 12:17 639229110135262458
86 ms 81.9.105.50
36 2026-08-21 12:01 639229100336051392
2073 ms 81.9.105.50
35 2026-08-21 11:45 639229090641415626
52 ms 81.9.105.50
34 2026-08-21 11:28 639229080702683947
59 ms 81.9.105.50
33 2026-08-21 11:12 639229070601456699
90 ms 81.9.105.50
32 2026-08-21 10:19 639229038947447232
8 ms 81.9.105.50
31 2026-08-21 10:03 639229029268708773
75 ms 81.9.105.50
30 2026-08-21 09:47 639229019647910603
72 ms 81.9.105.50
29 2026-08-21 09:31 639229009983843738
90 ms 81.9.105.50
28 2026-08-21 09:14 639229000203331882
78 ms 81.9.105.50
27 2026-08-21 08:58 639228990302335999
70 ms 81.9.105.50
26 2026-08-21 08:41 639228980567740722
42 ms 81.9.105.50
25 2026-08-21 08:25 639228970762445174
81 ms 81.9.105.50
24 2026-08-21 08:09 639228961065054445
71 ms 81.9.105.50
23 2026-08-21 07:53 639228951224649885
80 ms 81.9.105.50
22 2026-08-21 07:36 639228941303864592
101 ms 81.9.105.50
21 2026-08-21 07:19 639228931191328583
2038 ms 81.9.105.50
20 2026-08-21 06:27 639228899518173317
2072 ms 81.9.105.50
19 2026-08-21 06:10 639228889785027669
114 ms 81.9.105.50
18 2026-08-21 05:54 639228880106330161
82 ms 81.9.105.50
17 2026-08-21 05:38 639228870316184091
76 ms 81.9.105.50
16 2026-08-21 05:22 639228860695366512
86 ms 81.9.105.50
15 2026-08-21 05:06 639228851027209500
9 ms 81.9.105.50
14 2026-08-21 04:50 639228841479265462
50 ms 81.9.105.50
13 2026-08-21 04:34 639228831752962260
51 ms 81.9.105.50
12 2026-08-21 04:17 639228821953295483
11 ms 81.9.105.50
11 2026-08-21 04:01 639228812227429953
77 ms 81.9.105.50
10 2026-08-21 03:45 639228802476107538
73 ms 81.9.105.50
9 2026-08-21 03:28 639228792525492032
2055 ms 81.9.105.50
8 2026-08-21 02:36 639228761131421385
49 ms 81.9.105.50
7 2026-08-21 02:20 639228751571206692
2020 ms 81.9.105.50
6 2026-08-21 02:03 639228741705571019
51 ms 81.9.105.50
5 2026-08-21 01:47 639228731642208228
83 ms 81.9.105.50
4 2026-08-21 00:55 639228700387002072
83 ms 81.9.105.50
3 2026-08-21 00:38 639228690742014433
72 ms 81.9.105.50
2 2026-08-21 00:22 639228680877937122
51 ms 81.9.105.50
1 2026-08-21 00:05 639228670775860800
98 ms 81.9.105.50