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 2026-08-20. For this date, NameServerHistory found 57 DNS check records, 57 successful responses, 0 failed responses, and 236 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

57

Historical checks stored for this nameserver on selected date

Average Latency

236 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-20 23:14

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

57

Checks that returned a measurable response

Failed Responses

0

Checks with no response or no returned latency

Failure Rate

0%

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 2026-08-20 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
57 2026-08-20 23:14 639228639850033448
31 ms 81.9.105.50
56 2026-08-20 22:57 639228630204271870
55 ms 81.9.105.50
55 2026-08-20 22:41 639228620295091135
85 ms 81.9.105.50
54 2026-08-20 22:24 639228610298336915
66 ms 81.9.105.50
53 2026-08-20 21:32 639228578917047616
1579 ms 81.9.105.50
52 2026-08-20 21:16 639228569046445709
92 ms 81.9.105.50
51 2026-08-20 20:59 639228558946830986
2055 ms 81.9.105.50
50 2026-08-20 20:42 639228548977359217
2055 ms 81.9.105.50
49 2026-08-20 19:50 639228517494157668
3 ms 81.9.105.50
48 2026-08-20 19:33 639228507374116892
88 ms 81.9.105.50
47 2026-08-20 19:16 639228497315154893
9 ms 81.9.105.50
46 2026-08-20 18:59 639228487287648341
97 ms 81.9.105.50
45 2026-08-20 18:07 639228455828123788
92 ms 81.9.105.50
44 2026-08-20 17:50 639228445900082244
75 ms 81.9.105.50
43 2026-08-20 17:34 639228435866352323
106 ms 81.9.105.50
42 2026-08-20 17:17 639228425802273151
8 ms 81.9.105.50
41 2026-08-20 16:23 639228393616324230
2095 ms 81.9.105.50
40 2026-08-20 16:07 639228383590408693
81 ms 81.9.105.50
39 2026-08-20 15:50 639228373471467474
77 ms 81.9.105.50
38 2026-08-20 15:33 639228363426647311
111 ms 81.9.105.50
37 2026-08-20 14:40 639228331681701910
101 ms 81.9.105.50
36 2026-08-20 14:23 639228321714746824
85 ms 81.9.105.50
35 2026-08-20 14:07 639228311652090262
66 ms 81.9.105.50
34 2026-08-20 13:50 639228301670088587
2036 ms 81.9.105.50
33 2026-08-20 12:57 639228269987976710
104 ms 81.9.105.50
32 2026-08-20 12:40 639228260009452308
55 ms 81.9.105.50
31 2026-08-20 12:23 639228249661740894
54 ms 81.9.105.50
30 2026-08-20 12:06 639228239552680346
80 ms 81.9.105.50
29 2026-08-20 11:13 639228207667580819
46 ms 81.9.105.50
28 2026-08-20 10:56 639228197494011560
92 ms 81.9.105.50
27 2026-08-20 10:40 639228187497039939
101 ms 81.9.105.50
26 2026-08-20 10:23 639228177408432646
88 ms 81.9.105.50
25 2026-08-20 09:31 639228146356166262
70 ms 81.9.105.50
24 2026-08-20 09:15 639228136541505712
93 ms 81.9.105.50
23 2026-08-20 08:58 639228126519136598
135 ms 81.9.105.50
22 2026-08-20 08:41 639228116537148885
153 ms 81.9.105.50
21 2026-08-20 07:49 639228085320764351
7 ms 81.9.105.50
20 2026-08-20 07:33 639228075444604839
90 ms 81.9.105.50
19 2026-08-20 07:17 639228065615498985
87 ms 81.9.105.50
18 2026-08-20 07:00 639228055675321422
82 ms 81.9.105.50
17 2026-08-20 06:08 639228024230839396
8 ms 81.9.105.50
16 2026-08-20 05:52 639228014720406505
74 ms 81.9.105.50
15 2026-08-20 05:35 639228004930827030
83 ms 81.9.105.50
14 2026-08-20 05:19 639227995103340154
39 ms 81.9.105.50
13 2026-08-20 04:27 639227963811374894
85 ms 81.9.105.50
12 2026-08-20 04:11 639227954132571365
72 ms 81.9.105.50
11 2026-08-20 03:55 639227944541208342
73 ms 81.9.105.50
10 2026-08-20 03:38 639227934657213484
107 ms 81.9.105.50
9 2026-08-20 02:46 639227903628145469
92 ms 81.9.105.50
8 2026-08-20 02:31 639227893995483475
8 ms 81.9.105.50
7 2026-08-20 02:14 639227884280244209
62 ms 81.9.105.50
6 2026-08-20 01:58 639227874371147132
74 ms 81.9.105.50
5 2026-08-20 01:06 639227843224256432
82 ms 81.9.105.50
4 2026-08-20 00:50 639227833720403506
4 ms 81.9.105.50
3 2026-08-20 00:34 639227824170728278
79 ms 81.9.105.50
2 2026-08-20 00:19 639227814865867570
45 ms 81.9.105.50
1 2026-08-20 00:03 639227805445376839
3 ms 81.9.105.50