DNS response history for black.us.foundationdns.com

black.us.foundationdns.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 2026-08-26. For this date, NameServerHistory found 100 DNS check records, 99 successful responses, 1 failed responses, and 205 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 black.us.foundationdns.com.
Records on Selected Date

100

Historical checks stored for this nameserver on selected date

Average Latency

205 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 11:26

All timestamps shown in UTC

Latest Resolved IP on Selected Date

103.31.4.8

Most recently resolved hosting IP on selected date

Successful Responses

99

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 black.us.foundationdns.com

Showing DNS history for 2026-08-26 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
100 2026-08-26 11:26 639233403515141099
6 ms 103.31.4.8
99 2026-08-26 11:26 639233403515141099
6 ms 172.64.72.8
98 2026-08-26 11:26 639233403515141099
6 ms 162.159.224.8
97 2026-08-26 10:31 639233370841350248
30 ms 103.31.4.8
96 2026-08-26 10:31 639233370841350248
30 ms 172.64.72.8
95 2026-08-26 10:31 639233370841350248
30 ms 162.159.224.8
94 2026-08-26 10:14 639233360361507238
30 ms 103.31.4.8
93 2026-08-26 10:14 639233360361507238
30 ms 172.64.72.8
92 2026-08-26 10:14 639233360361507238
30 ms 162.159.224.8
91 2026-08-26 09:57 639233350067824371
47 ms 103.31.4.8
90 2026-08-26 09:57 639233350067824371
47 ms 162.159.224.8
89 2026-08-26 09:57 639233350067824371
47 ms 172.64.72.8
88 2026-08-26 09:39 639233339545274518
26 ms 103.31.4.8
87 2026-08-26 09:39 639233339545274518
26 ms 162.159.224.8
86 2026-08-26 09:39 639233339545274518
26 ms 172.64.72.8
85 2026-08-26 09:22 639233329214918079
2047 ms 103.31.4.8
84 2026-08-26 09:22 639233329214918079
2047 ms 172.64.72.8
83 2026-08-26 09:22 639233329214918079
2047 ms 162.159.224.8
82 2026-08-26 09:04 639233318749762337
-
81 2026-08-26 08:47 639233308387917838
147 ms 172.64.72.8
80 2026-08-26 08:47 639233308387917838
147 ms 103.31.4.8
79 2026-08-26 08:47 639233308387917838
147 ms 162.159.224.8
78 2026-08-26 08:30 639233297961740122
7 ms 172.64.72.8
77 2026-08-26 08:30 639233297961740122
7 ms 162.159.224.8
76 2026-08-26 08:30 639233297961740122
7 ms 103.31.4.8
75 2026-08-26 08:12 639233287487159094
66 ms 172.64.72.8
74 2026-08-26 08:12 639233287487159094
66 ms 103.31.4.8
73 2026-08-26 08:12 639233287487159094
66 ms 162.159.224.8
72 2026-08-26 07:55 639233276995531707
28 ms 162.159.224.8
71 2026-08-26 07:55 639233276995531707
28 ms 103.31.4.8
70 2026-08-26 07:55 639233276995531707
28 ms 172.64.72.8
69 2026-08-26 07:37 639233266521568229
13 ms 103.31.4.8
68 2026-08-26 07:37 639233266521568229
13 ms 162.159.224.8
67 2026-08-26 07:37 639233266521568229
13 ms 172.64.72.8
66 2026-08-26 07:20 639233256081047431
11 ms 103.31.4.8
65 2026-08-26 07:20 639233256081047431
11 ms 172.64.72.8
64 2026-08-26 07:20 639233256081047431
11 ms 162.159.224.8
63 2026-08-26 06:26 639233223620132921
6 ms 103.31.4.8
62 2026-08-26 06:26 639233223620132921
6 ms 172.64.72.8
61 2026-08-26 06:26 639233223620132921
6 ms 162.159.224.8
60 2026-08-26 06:09 639233213287814244
2030 ms 172.64.72.8
59 2026-08-26 06:09 639233213287814244
2030 ms 162.159.224.8
58 2026-08-26 06:09 639233213287814244
2030 ms 103.31.4.8
57 2026-08-26 05:51 639233202925983161
9 ms 103.31.4.8
56 2026-08-26 05:51 639233202925983161
9 ms 172.64.72.8
55 2026-08-26 05:51 639233202925983161
9 ms 162.159.224.8
54 2026-08-26 05:34 639233192644780696
8 ms 172.64.72.8
53 2026-08-26 05:34 639233192644780696
8 ms 162.159.224.8
52 2026-08-26 05:34 639233192644780696
8 ms 103.31.4.8
51 2026-08-26 05:17 639233182401183833
2041 ms 172.64.72.8
50 2026-08-26 05:17 639233182401183833
2041 ms 162.159.224.8
49 2026-08-26 05:17 639233182401183833
2041 ms 103.31.4.8
48 2026-08-26 05:00 639233172074181051
5 ms 172.64.72.8
47 2026-08-26 05:00 639233172074181051
5 ms 103.31.4.8
46 2026-08-26 05:00 639233172074181051
5 ms 162.159.224.8
45 2026-08-26 04:43 639233161808421455
5 ms 162.159.224.8
44 2026-08-26 04:43 639233161808421455
5 ms 103.31.4.8
43 2026-08-26 04:43 639233161808421455
5 ms 172.64.72.8
42 2026-08-26 04:25 639233151357344052
6 ms 162.159.224.8
41 2026-08-26 04:25 639233151357344052
6 ms 103.31.4.8
40 2026-08-26 04:25 639233151357344052
6 ms 172.64.72.8
39 2026-08-26 04:08 639233141034116946
25 ms 103.31.4.8
38 2026-08-26 04:08 639233141034116946
25 ms 172.64.72.8
37 2026-08-26 04:08 639233141034116946
25 ms 162.159.224.8
36 2026-08-26 03:51 639233130828334142
4 ms 172.64.72.8
35 2026-08-26 03:51 639233130828334142
4 ms 103.31.4.8
34 2026-08-26 03:51 639233130828334142
4 ms 162.159.224.8
33 2026-08-26 03:34 639233120373450007
35 ms 172.64.72.8
32 2026-08-26 03:34 639233120373450007
35 ms 162.159.224.8
31 2026-08-26 03:34 639233120373450007
35 ms 103.31.4.8
30 2026-08-26 03:17 639233110066216193
4 ms 103.31.4.8
29 2026-08-26 03:17 639233110066216193
4 ms 172.64.72.8
28 2026-08-26 03:17 639233110066216193
4 ms 162.159.224.8
27 2026-08-26 02:23 639233078065410564
12 ms 103.31.4.8
26 2026-08-26 02:23 639233078065410564
12 ms 162.159.224.8
25 2026-08-26 02:23 639233078065410564
12 ms 172.64.72.8
24 2026-08-26 02:06 639233067787457832
5 ms 103.31.4.8
23 2026-08-26 02:06 639233067787457832
5 ms 162.159.224.8
22 2026-08-26 02:06 639233067787457832
5 ms 172.64.72.8
21 2026-08-26 01:49 639233057501801162
10 ms 172.64.72.8
20 2026-08-26 01:49 639233057501801162
10 ms 162.159.224.8
19 2026-08-26 01:49 639233057501801162
10 ms 103.31.4.8
18 2026-08-26 01:32 639233047089431703
15 ms 162.159.224.8
17 2026-08-26 01:32 639233047089431703
15 ms 172.64.72.8
16 2026-08-26 01:32 639233047089431703
15 ms 103.31.4.8
15 2026-08-26 01:14 639233036754790688
3 ms 162.159.224.8
14 2026-08-26 01:14 639233036754790688
3 ms 103.31.4.8
13 2026-08-26 01:14 639233036754790688
3 ms 172.64.72.8
12 2026-08-26 00:57 639233026412602472
5 ms 162.159.224.8
11 2026-08-26 00:57 639233026412602472
5 ms 103.31.4.8
10 2026-08-26 00:57 639233026412602472
5 ms 172.64.72.8
9 2026-08-26 00:40 639233016064066127
4 ms 103.31.4.8
8 2026-08-26 00:40 639233016064066127
4 ms 172.64.72.8
7 2026-08-26 00:40 639233016064066127
4 ms 162.159.224.8
6 2026-08-26 00:23 639233005922655772
31 ms 172.64.72.8
5 2026-08-26 00:23 639233005922655772
31 ms 103.31.4.8
4 2026-08-26 00:23 639233005922655772
31 ms 162.159.224.8
3 2026-08-26 00:06 639232995672256907
60 ms 103.31.4.8
2 2026-08-26 00:06 639232995672256907
60 ms 172.64.72.8
1 2026-08-26 00:06 639232995672256907
60 ms 162.159.224.8