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 2026-08-19. For this date, NameServerHistory found 74 DNS check records, 73 successful responses, 1 failed responses, and 292 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

74

Historical checks stored for this nameserver on selected date

Average Latency

292 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-19 23:47

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

73

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 2026-08-19 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
74 2026-08-19 23:47 639227795899225951
2240 ms 81.9.105.50
73 2026-08-19 23:31 639227786351762008
88 ms 81.9.105.50
72 2026-08-19 23:15 639227776640591733
6 ms 81.9.105.50
71 2026-08-19 22:59 639227767128841282
73 ms 81.9.105.50
70 2026-08-19 22:43 639227757477304711
112 ms 81.9.105.50
69 2026-08-19 22:27 639227747572098014
3 ms 81.9.105.50
68 2026-08-19 22:10 639227737588613113
49 ms 81.9.105.50
67 2026-08-19 21:18 639227706134603955
67 ms 81.9.105.50
66 2026-08-19 21:01 639227696589027396
28 ms 81.9.105.50
65 2026-08-19 20:46 639227687097707639
3 ms 81.9.105.50
64 2026-08-19 20:30 639227677474464487
96 ms 81.9.105.50
63 2026-08-19 20:14 639227667767441118
2054 ms 81.9.105.50
62 2026-08-19 19:57 639227657984833832
4 ms 81.9.105.50
61 2026-08-19 19:41 639227648079992640
80 ms 81.9.105.50
60 2026-08-19 19:24 639227638125048441
8 ms 81.9.105.50
59 2026-08-19 19:07 639227628211392142
51 ms 81.9.105.50
58 2026-08-19 18:51 639227618261696275
84 ms 81.9.105.50
57 2026-08-19 18:34 639227608366233645
2073 ms 81.9.105.50
56 2026-08-19 18:18 639227598301787588
59 ms 81.9.105.50
55 2026-08-19 17:25 639227566241010716
2003 ms 81.9.105.50
54 2026-08-19 17:08 639227556454538959
87 ms 81.9.105.50
53 2026-08-19 16:52 639227546640305542
74 ms 81.9.105.50
52 2026-08-19 16:35 639227536965466472
49 ms 81.9.105.50
51 2026-08-19 16:19 639227527048658280
102 ms 81.9.105.50
50 2026-08-19 16:03 639227517386634438
88 ms 81.9.105.50
49 2026-08-19 15:46 639227507459551637
2097 ms 81.9.105.50
48 2026-08-19 15:30 639227497515595277
80 ms 81.9.105.50
47 2026-08-19 15:13 639227487441798036
79 ms 81.9.105.50
46 2026-08-19 14:56 639227477445551863
52 ms 81.9.105.50
45 2026-08-19 14:39 639227467297067891
75 ms 81.9.105.50
44 2026-08-19 14:22 639227457057795635
78 ms 81.9.105.50
43 2026-08-19 13:29 639227425244777397
76 ms 81.9.105.50
42 2026-08-19 13:13 639227415422116485
96 ms 81.9.105.50
41 2026-08-19 12:56 639227405307256053
63 ms 81.9.105.50
40 2026-08-19 12:39 639227395396602630
66 ms 81.9.105.50
39 2026-08-19 12:23 639227385510363611
45 ms 81.9.105.50
38 2026-08-19 12:06 639227375508324850
56 ms 81.9.105.50
37 2026-08-19 11:49 639227365326611906
59 ms 81.9.105.50
36 2026-08-19 11:33 639227355360014208
79 ms 81.9.105.50
35 2026-08-19 11:16 639227345036782165
59 ms 81.9.105.50
34 2026-08-19 10:59 639227334992964533
74 ms 81.9.105.50
33 2026-08-19 10:42 639227324986605572
64 ms 81.9.105.50
32 2026-08-19 10:25 639227314928414539
85 ms 81.9.105.50
31 2026-08-19 09:32 639227283029182134
110 ms 81.9.105.50
30 2026-08-19 09:16 639227273294779350
108 ms 81.9.105.50
29 2026-08-19 09:00 639227263525231313
77 ms 81.9.105.50
28 2026-08-19 08:43 639227253578313363
-
27 2026-08-19 08:27 639227243649973322
52 ms 81.9.105.50
26 2026-08-19 08:10 639227233581059317
76 ms 81.9.105.50
25 2026-08-19 07:53 639227223667352067
43 ms 81.9.105.50
24 2026-08-19 07:37 639227213714837066
101 ms 81.9.105.50
23 2026-08-19 07:20 639227203701208496
54 ms 81.9.105.50
22 2026-08-19 07:03 639227193643202179
115 ms 81.9.105.50
21 2026-08-19 06:46 639227183584431597
94 ms 81.9.105.50
20 2026-08-19 06:30 639227173347403088
48 ms 81.9.105.50
19 2026-08-19 05:36 639227141523007601
2010 ms 81.9.105.50
18 2026-08-19 05:20 639227131785931574
2056 ms 81.9.105.50
17 2026-08-19 05:04 639227122176475389
205 ms 81.9.105.50
16 2026-08-19 04:48 639227112668934596
76 ms 81.9.105.50
15 2026-08-19 04:32 639227102773292788
87 ms 81.9.105.50
14 2026-08-19 04:16 639227093141136930
58 ms 81.9.105.50
13 2026-08-19 03:59 639227083449420147
85 ms 81.9.105.50
12 2026-08-19 03:43 639227073771748493
95 ms 81.9.105.50
11 2026-08-19 03:27 639227063977347614
59 ms 81.9.105.50
10 2026-08-19 03:11 639227054253519024
125 ms 81.9.105.50
9 2026-08-19 02:54 639227044381963886
70 ms 81.9.105.50
8 2026-08-19 02:38 639227034441085514
92 ms 81.9.105.50
7 2026-08-19 01:46 639227003126489968
42 ms 81.9.105.50
6 2026-08-19 01:30 639226993456311614
2136 ms 81.9.105.50
5 2026-08-19 01:14 639226983847312345
94 ms 81.9.105.50
4 2026-08-19 00:58 639226974357874853
76 ms 81.9.105.50
3 2026-08-19 00:42 639226964670484721
86 ms 81.9.105.50
2 2026-08-19 00:25 639226954857899696
62 ms 81.9.105.50
1 2026-08-19 00:09 639226945091603488
89 ms 81.9.105.50