DNS response history for black.us.foundationdns.net

black.us.foundationdns.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 2026-08-25. For this date, NameServerHistory found 195 DNS check records, 195 successful responses, 0 failed responses, and 208 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.net.
Records on Selected Date

195

Historical checks stored for this nameserver on selected date

Average Latency

208 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 22:02

All timestamps shown in UTC

Latest Resolved IP on Selected Date

103.31.4.28

Most recently resolved hosting IP on selected date

Successful Responses

195

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 black.us.foundationdns.net

Showing DNS history for 2026-08-25 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
195 2026-08-25 22:02 639232921673215474
6 ms 103.31.4.28
194 2026-08-25 22:02 639232921673215474
6 ms 162.159.224.28
193 2026-08-25 22:02 639232921673215474
6 ms 172.64.72.28
192 2026-08-25 21:45 639232911234504639
4 ms 162.159.224.28
191 2026-08-25 21:45 639232911234504639
4 ms 172.64.72.28
190 2026-08-25 21:45 639232911234504639
4 ms 103.31.4.28
189 2026-08-25 21:28 639232900747078453
22 ms 172.64.72.28
188 2026-08-25 21:28 639232900747078453
22 ms 103.31.4.28
187 2026-08-25 21:28 639232900747078453
22 ms 162.159.224.28
186 2026-08-25 21:10 639232890389222534
2018 ms 103.31.4.28
185 2026-08-25 21:10 639232890389222534
2018 ms 172.64.72.28
184 2026-08-25 21:10 639232890389222534
2018 ms 162.159.224.28
183 2026-08-25 20:53 639232880143390843
31 ms 172.64.72.28
182 2026-08-25 20:53 639232880143390843
31 ms 162.159.224.28
181 2026-08-25 20:53 639232880143390843
31 ms 103.31.4.28
180 2026-08-25 20:36 639232869755024069
9 ms 103.31.4.28
179 2026-08-25 20:36 639232869755024069
9 ms 172.64.72.28
178 2026-08-25 20:36 639232869755024069
9 ms 162.159.224.28
177 2026-08-25 20:19 639232859355940346
6 ms 103.31.4.28
176 2026-08-25 20:19 639232859355940346
6 ms 162.159.224.28
175 2026-08-25 20:19 639232859355940346
6 ms 172.64.72.28
174 2026-08-25 20:01 639232848992244953
34 ms 172.64.72.28
173 2026-08-25 20:01 639232848992244953
34 ms 162.159.224.28
172 2026-08-25 20:01 639232848992244953
34 ms 103.31.4.28
171 2026-08-25 19:44 639232838596478500
11 ms 103.31.4.28
170 2026-08-25 19:44 639232838596478500
11 ms 172.64.72.28
169 2026-08-25 19:44 639232838596478500
11 ms 162.159.224.28
168 2026-08-25 19:27 639232828175327683
17 ms 162.159.224.28
167 2026-08-25 19:27 639232828175327683
17 ms 172.64.72.28
166 2026-08-25 19:27 639232828175327683
17 ms 103.31.4.28
165 2026-08-25 19:09 639232817798330473
25 ms 103.31.4.28
164 2026-08-25 19:09 639232817798330473
25 ms 172.64.72.28
163 2026-08-25 19:09 639232817798330473
25 ms 162.159.224.28
162 2026-08-25 18:15 639232785462407552
12 ms 172.64.72.28
161 2026-08-25 18:15 639232785462407552
12 ms 162.159.224.28
160 2026-08-25 18:15 639232785462407552
12 ms 103.31.4.28
159 2026-08-25 17:58 639232775177487032
41 ms 172.64.72.28
158 2026-08-25 17:58 639232775177487032
41 ms 162.159.224.28
157 2026-08-25 17:58 639232775177487032
41 ms 103.31.4.28
156 2026-08-25 17:41 639232764991087115
2024 ms 172.64.72.28
155 2026-08-25 17:41 639232764991087115
2024 ms 103.31.4.28
154 2026-08-25 17:41 639232764991087115
2024 ms 162.159.224.28
153 2026-08-25 17:24 639232754842971478
48 ms 103.31.4.28
152 2026-08-25 17:24 639232754842971478
48 ms 172.64.72.28
151 2026-08-25 17:24 639232754842971478
48 ms 162.159.224.28
150 2026-08-25 17:07 639232744455159107
81 ms 103.31.4.28
149 2026-08-25 17:07 639232744455159107
81 ms 172.64.72.28
148 2026-08-25 17:07 639232744455159107
81 ms 162.159.224.28
147 2026-08-25 16:50 639232734145178231
53 ms 172.64.72.28
146 2026-08-25 16:50 639232734145178231
53 ms 162.159.224.28
145 2026-08-25 16:50 639232734145178231
53 ms 103.31.4.28
144 2026-08-25 16:33 639232723827874402
37 ms 162.159.224.28
143 2026-08-25 16:33 639232723827874402
37 ms 103.31.4.28
142 2026-08-25 16:33 639232723827874402
37 ms 172.64.72.28
141 2026-08-25 16:15 639232713533011892
7 ms 103.31.4.28
140 2026-08-25 16:15 639232713533011892
7 ms 162.159.224.28
139 2026-08-25 16:15 639232713533011892
7 ms 172.64.72.28
138 2026-08-25 15:58 639232703065318207
11 ms 162.159.224.28
137 2026-08-25 15:58 639232703065318207
11 ms 103.31.4.28
136 2026-08-25 15:58 639232703065318207
11 ms 172.64.72.28
135 2026-08-25 15:41 639232692629559470
10 ms 162.159.224.28
134 2026-08-25 15:41 639232692629559470
10 ms 103.31.4.28
133 2026-08-25 15:41 639232692629559470
10 ms 172.64.72.28
132 2026-08-25 15:23 639232682238836475
27 ms 103.31.4.28
131 2026-08-25 15:23 639232682238836475
27 ms 172.64.72.28
130 2026-08-25 15:23 639232682238836475
27 ms 162.159.224.28
129 2026-08-25 15:06 639232671787004306
8 ms 103.31.4.28
128 2026-08-25 15:06 639232671787004306
8 ms 162.159.224.28
127 2026-08-25 15:06 639232671787004306
8 ms 172.64.72.28
126 2026-08-25 14:11 639232638994329666
49 ms 162.159.224.28
125 2026-08-25 14:11 639232638994329666
49 ms 172.64.72.28
124 2026-08-25 14:11 639232638994329666
49 ms 103.31.4.28
123 2026-08-25 13:54 639232628614783237
9 ms 103.31.4.28
122 2026-08-25 13:54 639232628614783237
9 ms 162.159.224.28
121 2026-08-25 13:54 639232628614783237
9 ms 172.64.72.28
120 2026-08-25 13:37 639232618360728578
28 ms 172.64.72.28
119 2026-08-25 13:37 639232618360728578
28 ms 103.31.4.28
118 2026-08-25 13:37 639232618360728578
28 ms 162.159.224.28
117 2026-08-25 13:20 639232608016476376
77 ms 103.31.4.28
116 2026-08-25 13:20 639232608016476376
77 ms 172.64.72.28
115 2026-08-25 13:20 639232608016476376
77 ms 162.159.224.28
114 2026-08-25 13:02 639232597643611557
15 ms 103.31.4.28
113 2026-08-25 13:02 639232597643611557
15 ms 172.64.72.28
112 2026-08-25 13:02 639232597643611557
15 ms 162.159.224.28
111 2026-08-25 12:45 639232587225721862
32 ms 172.64.72.28
110 2026-08-25 12:45 639232587225721862
32 ms 103.31.4.28
109 2026-08-25 12:45 639232587225721862
32 ms 162.159.224.28
108 2026-08-25 12:28 639232576780683689
47 ms 162.159.224.28
107 2026-08-25 12:28 639232576780683689
47 ms 172.64.72.28
106 2026-08-25 12:28 639232576780683689
47 ms 103.31.4.28
105 2026-08-25 12:10 639232566381512620
40 ms 172.64.72.28
104 2026-08-25 12:10 639232566381512620
40 ms 162.159.224.28
103 2026-08-25 12:10 639232566381512620
40 ms 103.31.4.28
102 2026-08-25 11:53 639232556111768563
7 ms 162.159.224.28
101 2026-08-25 11:53 639232556111768563
7 ms 172.64.72.28
100 2026-08-25 11:53 639232556111768563
7 ms 103.31.4.28
99 2026-08-25 11:36 639232545839529039
7 ms 172.64.72.28
98 2026-08-25 11:36 639232545839529039
7 ms 162.159.224.28
97 2026-08-25 11:36 639232545839529039
7 ms 103.31.4.28
96 2026-08-25 11:19 639232535349285207
2022 ms 172.64.72.28
95 2026-08-25 11:19 639232535349285207
2022 ms 162.159.224.28
94 2026-08-25 11:19 639232535349285207
2022 ms 103.31.4.28
93 2026-08-25 11:01 639232524938080723
9 ms 172.64.72.28
92 2026-08-25 11:01 639232524938080723
9 ms 162.159.224.28
91 2026-08-25 11:01 639232524938080723
9 ms 103.31.4.28
90 2026-08-25 10:07 639232492740373468
27 ms 162.159.224.28
89 2026-08-25 10:07 639232492740373468
27 ms 172.64.72.28
88 2026-08-25 10:07 639232492740373468
27 ms 103.31.4.28
87 2026-08-25 09:50 639232482235303141
11 ms 172.64.72.28
86 2026-08-25 09:50 639232482235303141
11 ms 162.159.224.28
85 2026-08-25 09:50 639232482235303141
11 ms 103.31.4.28
84 2026-08-25 09:33 639232471861770303
18 ms 103.31.4.28
83 2026-08-25 09:33 639232471861770303
18 ms 172.64.72.28
82 2026-08-25 09:33 639232471861770303
18 ms 162.159.224.28
81 2026-08-25 09:16 639232461630217327
27 ms 103.31.4.28
80 2026-08-25 09:16 639232461630217327
27 ms 172.64.72.28
79 2026-08-25 09:16 639232461630217327
27 ms 162.159.224.28
78 2026-08-25 08:58 639232451282965990
4057 ms 162.159.224.28
77 2026-08-25 08:58 639232451282965990
4057 ms 172.64.72.28
76 2026-08-25 08:58 639232451282965990
4057 ms 103.31.4.28
75 2026-08-25 08:41 639232440814614938
9 ms 103.31.4.28
74 2026-08-25 08:41 639232440814614938
9 ms 172.64.72.28
73 2026-08-25 08:41 639232440814614938
9 ms 162.159.224.28
72 2026-08-25 08:24 639232430410720425
22 ms 172.64.72.28
71 2026-08-25 08:24 639232430410720425
22 ms 103.31.4.28
70 2026-08-25 08:24 639232430410720425
22 ms 162.159.224.28
69 2026-08-25 08:06 639232420003096185
5 ms 103.31.4.28
68 2026-08-25 08:06 639232420003096185
5 ms 172.64.72.28
67 2026-08-25 08:06 639232420003096185
5 ms 162.159.224.28
66 2026-08-25 07:49 639232409467287444
5 ms 172.64.72.28
65 2026-08-25 07:49 639232409467287444
5 ms 162.159.224.28
64 2026-08-25 07:49 639232409467287444
5 ms 103.31.4.28
63 2026-08-25 07:31 639232399077195997
11 ms 162.159.224.28
62 2026-08-25 07:31 639232399077195997
11 ms 103.31.4.28
61 2026-08-25 07:31 639232399077195997
11 ms 172.64.72.28
60 2026-08-25 07:14 639232388731528337
16 ms 103.31.4.28
59 2026-08-25 07:14 639232388731528337
16 ms 162.159.224.28
58 2026-08-25 07:14 639232388731528337
16 ms 172.64.72.28
57 2026-08-25 06:57 639232378288598612
46 ms 103.31.4.28
56 2026-08-25 06:57 639232378288598612
46 ms 162.159.224.28
55 2026-08-25 06:57 639232378288598612
46 ms 172.64.72.28
54 2026-08-25 06:03 639232346196373643
4 ms 103.31.4.28
53 2026-08-25 06:03 639232346196373643
4 ms 162.159.224.28
52 2026-08-25 06:03 639232346196373643
4 ms 172.64.72.28
51 2026-08-25 05:46 639232336112370741
5 ms 172.64.72.28
50 2026-08-25 05:46 639232336112370741
5 ms 162.159.224.28
49 2026-08-25 05:46 639232336112370741
5 ms 103.31.4.28
48 2026-08-25 05:30 639232326146508970
8 ms 162.159.224.28
47 2026-08-25 05:30 639232326146508970
8 ms 103.31.4.28
46 2026-08-25 05:30 639232326146508970
8 ms 172.64.72.28
45 2026-08-25 05:13 639232316189381720
25 ms 172.64.72.28
44 2026-08-25 05:13 639232316189381720
25 ms 162.159.224.28
43 2026-08-25 05:13 639232316189381720
25 ms 103.31.4.28
42 2026-08-25 04:57 639232306217998913
53 ms 172.64.72.28
41 2026-08-25 04:57 639232306217998913
53 ms 103.31.4.28
40 2026-08-25 04:57 639232306217998913
53 ms 162.159.224.28
39 2026-08-25 04:40 639232296255744174
13 ms 103.31.4.28
38 2026-08-25 04:40 639232296255744174
13 ms 162.159.224.28
37 2026-08-25 04:40 639232296255744174
13 ms 172.64.72.28
36 2026-08-25 04:23 639232286095760789
71 ms 172.64.72.28
35 2026-08-25 04:23 639232286095760789
71 ms 162.159.224.28
34 2026-08-25 04:23 639232286095760789
71 ms 103.31.4.28
33 2026-08-25 04:06 639232276086186273
7 ms 172.64.72.28
32 2026-08-25 04:06 639232276086186273
7 ms 162.159.224.28
31 2026-08-25 04:06 639232276086186273
7 ms 103.31.4.28
30 2026-08-25 03:49 639232265900986425
5 ms 103.31.4.28
29 2026-08-25 03:49 639232265900986425
5 ms 172.64.72.28
28 2026-08-25 03:49 639232265900986425
5 ms 162.159.224.28
27 2026-08-25 03:32 639232255723518075
4 ms 172.64.72.28
26 2026-08-25 03:32 639232255723518075
4 ms 103.31.4.28
25 2026-08-25 03:32 639232255723518075
4 ms 162.159.224.28
24 2026-08-25 03:15 639232245484452890
3 ms 162.159.224.28
23 2026-08-25 03:15 639232245484452890
3 ms 103.31.4.28
22 2026-08-25 03:15 639232245484452890
3 ms 172.64.72.28
21 2026-08-25 02:58 639232235157175331
2055 ms 172.64.72.28
20 2026-08-25 02:58 639232235157175331
2055 ms 162.159.224.28
19 2026-08-25 02:58 639232235157175331
2055 ms 103.31.4.28
18 2026-08-25 02:05 639232203197189095
40 ms 172.64.72.28
17 2026-08-25 02:05 639232203197189095
40 ms 103.31.4.28
16 2026-08-25 02:05 639232203197189095
40 ms 162.159.224.28
15 2026-08-25 01:48 639232192844564298
5 ms 172.64.72.28
14 2026-08-25 01:48 639232192844564298
5 ms 162.159.224.28
13 2026-08-25 01:48 639232192844564298
5 ms 103.31.4.28
12 2026-08-25 01:30 639232182496008942
3 ms 162.159.224.28
11 2026-08-25 01:30 639232182496008942
3 ms 103.31.4.28
10 2026-08-25 01:30 639232182496008942
3 ms 172.64.72.28
9 2026-08-25 01:13 639232172197053132
19 ms 162.159.224.28
8 2026-08-25 01:13 639232172197053132
19 ms 103.31.4.28
7 2026-08-25 01:13 639232172197053132
19 ms 172.64.72.28
6 2026-08-25 00:20 639232140250307418
24 ms 172.64.72.28
5 2026-08-25 00:20 639232140250307418
24 ms 103.31.4.28
4 2026-08-25 00:20 639232140250307418
24 ms 162.159.224.28
3 2026-08-25 00:03 639232129927860324
26 ms 162.159.224.28
2 2026-08-25 00:03 639232129927860324
26 ms 103.31.4.28
1 2026-08-25 00:03 639232129927860324
26 ms 172.64.72.28