DNS response history for brown.us.foundationdns.org

brown.us.foundationdns.org 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 141 DNS check records, 141 successful responses, 0 failed responses, and 591 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 brown.us.foundationdns.org.
Records on Selected Date

141

Historical checks stored for this nameserver on selected date

Average Latency

591 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 16:15

All timestamps shown in UTC

Latest Resolved IP on Selected Date

172.64.72.51

Most recently resolved hosting IP on selected date

Successful Responses

141

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 brown.us.foundationdns.org

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
141 2026-08-25 16:15 639232713533011892
49 ms 172.64.72.51
140 2026-08-25 16:15 639232713533011892
49 ms 103.31.4.51
139 2026-08-25 16:15 639232713533011892
49 ms 162.159.224.51
138 2026-08-25 15:58 639232703065318207
49 ms 172.64.72.51
137 2026-08-25 15:58 639232703065318207
49 ms 103.31.4.51
136 2026-08-25 15:58 639232703065318207
49 ms 162.159.224.51
135 2026-08-25 15:41 639232692629559470
8 ms 172.64.72.51
134 2026-08-25 15:41 639232692629559470
8 ms 103.31.4.51
133 2026-08-25 15:41 639232692629559470
8 ms 162.159.224.51
132 2026-08-25 15:23 639232682238836475
2036 ms 172.64.72.51
131 2026-08-25 15:23 639232682238836475
2036 ms 162.159.224.51
130 2026-08-25 15:23 639232682238836475
2036 ms 103.31.4.51
129 2026-08-25 15:06 639232671787004306
48 ms 172.64.72.51
128 2026-08-25 15:06 639232671787004306
48 ms 162.159.224.51
127 2026-08-25 15:06 639232671787004306
48 ms 103.31.4.51
126 2026-08-25 14:11 639232638994329666
2038 ms 162.159.224.51
125 2026-08-25 14:11 639232638994329666
2038 ms 103.31.4.51
124 2026-08-25 14:11 639232638994329666
2038 ms 172.64.72.51
123 2026-08-25 13:54 639232628614783237
13 ms 162.159.224.51
122 2026-08-25 13:54 639232628614783237
13 ms 172.64.72.51
121 2026-08-25 13:54 639232628614783237
13 ms 103.31.4.51
120 2026-08-25 13:37 639232618360728578
2033 ms 172.64.72.51
119 2026-08-25 13:37 639232618360728578
2033 ms 103.31.4.51
118 2026-08-25 13:37 639232618360728578
2033 ms 162.159.224.51
117 2026-08-25 13:20 639232608016476376
2030 ms 172.64.72.51
116 2026-08-25 13:20 639232608016476376
2030 ms 162.159.224.51
115 2026-08-25 13:20 639232608016476376
2030 ms 103.31.4.51
114 2026-08-25 13:02 639232597643611557
31 ms 103.31.4.51
113 2026-08-25 13:02 639232597643611557
31 ms 162.159.224.51
112 2026-08-25 13:02 639232597643611557
31 ms 172.64.72.51
111 2026-08-25 12:45 639232587225721862
2024 ms 172.64.72.51
110 2026-08-25 12:45 639232587225721862
2024 ms 162.159.224.51
109 2026-08-25 12:45 639232587225721862
2024 ms 103.31.4.51
108 2026-08-25 12:27 639232576780683689
74 ms 103.31.4.51
107 2026-08-25 12:27 639232576780683689
74 ms 172.64.72.51
106 2026-08-25 12:27 639232576780683689
74 ms 162.159.224.51
105 2026-08-25 12:10 639232566381512620
25 ms 103.31.4.51
104 2026-08-25 12:10 639232566381512620
25 ms 162.159.224.51
103 2026-08-25 12:10 639232566381512620
25 ms 172.64.72.51
102 2026-08-25 11:53 639232556111768563
18 ms 162.159.224.51
101 2026-08-25 11:53 639232556111768563
18 ms 172.64.72.51
100 2026-08-25 11:53 639232556111768563
18 ms 103.31.4.51
99 2026-08-25 11:36 639232545839529039
2045 ms 172.64.72.51
98 2026-08-25 11:36 639232545839529039
2045 ms 103.31.4.51
97 2026-08-25 11:36 639232545839529039
2045 ms 162.159.224.51
96 2026-08-25 11:18 639232535349285207
81 ms 103.31.4.51
95 2026-08-25 11:18 639232535349285207
81 ms 162.159.224.51
94 2026-08-25 11:18 639232535349285207
81 ms 172.64.72.51
93 2026-08-25 11:01 639232524938080723
13 ms 103.31.4.51
92 2026-08-25 11:01 639232524938080723
13 ms 172.64.72.51
91 2026-08-25 11:01 639232524938080723
13 ms 162.159.224.51
90 2026-08-25 10:07 639232492740373468
11 ms 162.159.224.51
89 2026-08-25 10:07 639232492740373468
11 ms 172.64.72.51
88 2026-08-25 10:07 639232492740373468
11 ms 103.31.4.51
87 2026-08-25 09:50 639232482235303141
53 ms 162.159.224.51
86 2026-08-25 09:50 639232482235303141
53 ms 103.31.4.51
85 2026-08-25 09:50 639232482235303141
53 ms 172.64.72.51
84 2026-08-25 09:33 639232471861770303
2035 ms 172.64.72.51
83 2026-08-25 09:33 639232471861770303
2035 ms 162.159.224.51
82 2026-08-25 09:33 639232471861770303
2035 ms 103.31.4.51
81 2026-08-25 09:16 639232461630217327
25 ms 172.64.72.51
80 2026-08-25 09:16 639232461630217327
25 ms 103.31.4.51
79 2026-08-25 09:16 639232461630217327
25 ms 162.159.224.51
78 2026-08-25 08:58 639232451282965990
253 ms 103.31.4.51
77 2026-08-25 08:58 639232451282965990
253 ms 172.64.72.51
76 2026-08-25 08:58 639232451282965990
253 ms 162.159.224.51
75 2026-08-25 08:41 639232440814614938
8 ms 162.159.224.51
74 2026-08-25 08:41 639232440814614938
8 ms 172.64.72.51
73 2026-08-25 08:41 639232440814614938
8 ms 103.31.4.51
72 2026-08-25 08:24 639232430410720425
2026 ms 172.64.72.51
71 2026-08-25 08:24 639232430410720425
2026 ms 162.159.224.51
70 2026-08-25 08:24 639232430410720425
2026 ms 103.31.4.51
69 2026-08-25 08:06 639232420003096185
9 ms 172.64.72.51
68 2026-08-25 08:06 639232420003096185
9 ms 103.31.4.51
67 2026-08-25 08:06 639232420003096185
9 ms 162.159.224.51
66 2026-08-25 07:49 639232409467287444
115 ms 103.31.4.51
65 2026-08-25 07:49 639232409467287444
115 ms 172.64.72.51
64 2026-08-25 07:49 639232409467287444
115 ms 162.159.224.51
63 2026-08-25 07:31 639232399077195997
11 ms 103.31.4.51
62 2026-08-25 07:31 639232399077195997
11 ms 162.159.224.51
61 2026-08-25 07:31 639232399077195997
11 ms 172.64.72.51
60 2026-08-25 07:14 639232388731528337
5 ms 103.31.4.51
59 2026-08-25 07:14 639232388731528337
5 ms 172.64.72.51
58 2026-08-25 07:14 639232388731528337
5 ms 162.159.224.51
57 2026-08-25 06:57 639232378288598612
54 ms 162.159.224.51
56 2026-08-25 06:57 639232378288598612
54 ms 172.64.72.51
55 2026-08-25 06:57 639232378288598612
54 ms 103.31.4.51
54 2026-08-25 06:03 639232346196373643
86 ms 172.64.72.51
53 2026-08-25 06:03 639232346196373643
86 ms 103.31.4.51
52 2026-08-25 06:03 639232346196373643
86 ms 162.159.224.51
51 2026-08-25 05:46 639232336112370741
2035 ms 172.64.72.51
50 2026-08-25 05:46 639232336112370741
2035 ms 103.31.4.51
49 2026-08-25 05:46 639232336112370741
2035 ms 162.159.224.51
48 2026-08-25 05:30 639232326146508970
2049 ms 172.64.72.51
47 2026-08-25 05:30 639232326146508970
2049 ms 162.159.224.51
46 2026-08-25 05:30 639232326146508970
2049 ms 103.31.4.51
45 2026-08-25 05:13 639232316189381720
2044 ms 162.159.224.51
44 2026-08-25 05:13 639232316189381720
2044 ms 172.64.72.51
43 2026-08-25 05:13 639232316189381720
2044 ms 103.31.4.51
42 2026-08-25 04:57 639232306217998913
24 ms 103.31.4.51
41 2026-08-25 04:57 639232306217998913
24 ms 162.159.224.51
40 2026-08-25 04:57 639232306217998913
24 ms 172.64.72.51
39 2026-08-25 04:40 639232296255744174
2034 ms 172.64.72.51
38 2026-08-25 04:40 639232296255744174
2034 ms 162.159.224.51
37 2026-08-25 04:40 639232296255744174
2034 ms 103.31.4.51
36 2026-08-25 04:23 639232286095760789
7 ms 162.159.224.51
35 2026-08-25 04:23 639232286095760789
7 ms 172.64.72.51
34 2026-08-25 04:23 639232286095760789
7 ms 103.31.4.51
33 2026-08-25 04:06 639232276086186273
3 ms 162.159.224.51
32 2026-08-25 04:06 639232276086186273
3 ms 172.64.72.51
31 2026-08-25 04:06 639232276086186273
3 ms 103.31.4.51
30 2026-08-25 03:49 639232265900986425
7 ms 103.31.4.51
29 2026-08-25 03:49 639232265900986425
7 ms 162.159.224.51
28 2026-08-25 03:49 639232265900986425
7 ms 172.64.72.51
27 2026-08-25 03:32 639232255723518075
4 ms 172.64.72.51
26 2026-08-25 03:32 639232255723518075
4 ms 162.159.224.51
25 2026-08-25 03:32 639232255723518075
4 ms 103.31.4.51
24 2026-08-25 03:15 639232245484452890
4 ms 172.64.72.51
23 2026-08-25 03:15 639232245484452890
4 ms 162.159.224.51
22 2026-08-25 03:15 639232245484452890
4 ms 103.31.4.51
21 2026-08-25 02:58 639232235157175331
74 ms 103.31.4.51
20 2026-08-25 02:58 639232235157175331
74 ms 162.159.224.51
19 2026-08-25 02:58 639232235157175331
74 ms 172.64.72.51
18 2026-08-25 02:05 639232203197189095
5 ms 162.159.224.51
17 2026-08-25 02:05 639232203197189095
5 ms 103.31.4.51
16 2026-08-25 02:05 639232203197189095
5 ms 172.64.72.51
15 2026-08-25 01:48 639232192844564298
64 ms 172.64.72.51
14 2026-08-25 01:48 639232192844564298
64 ms 162.159.224.51
13 2026-08-25 01:48 639232192844564298
64 ms 103.31.4.51
12 2026-08-25 01:30 639232182496008942
60 ms 172.64.72.51
11 2026-08-25 01:30 639232182496008942
60 ms 103.31.4.51
10 2026-08-25 01:30 639232182496008942
60 ms 162.159.224.51
9 2026-08-25 01:13 639232172197053132
36 ms 162.159.224.51
8 2026-08-25 01:13 639232172197053132
36 ms 172.64.72.51
7 2026-08-25 01:13 639232172197053132
36 ms 103.31.4.51
6 2026-08-25 00:20 639232140250307418
7 ms 103.31.4.51
5 2026-08-25 00:20 639232140250307418
7 ms 172.64.72.51
4 2026-08-25 00:20 639232140250307418
7 ms 162.159.224.51
3 2026-08-25 00:03 639232129927860324
2020 ms 162.159.224.51
2 2026-08-25 00:03 639232129927860324
2020 ms 172.64.72.51
1 2026-08-25 00:03 639232129927860324
2020 ms 103.31.4.51