DNS response history for blue.us.foundationdns.org

blue.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 199 DNS check records, 198 successful responses, 1 failed responses, and 149 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 blue.us.foundationdns.org.
Records on Selected Date

199

Historical checks stored for this nameserver on selected date

Average Latency

149 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 23:14

All timestamps shown in UTC

Latest Resolved IP on Selected Date

172.64.72.41

Most recently resolved hosting IP on selected date

Successful Responses

198

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 blue.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
199 2026-08-25 23:14 639232964577050707
27 ms 172.64.72.41
198 2026-08-25 23:14 639232964577050707
27 ms 103.31.4.41
197 2026-08-25 23:14 639232964577050707
27 ms 162.159.224.41
196 2026-08-25 22:20 639232932163142799
5 ms 103.31.4.41
195 2026-08-25 22:20 639232932163142799
5 ms 162.159.224.41
194 2026-08-25 22:20 639232932163142799
5 ms 172.64.72.41
193 2026-08-25 22:03 639232921673215474
12 ms 172.64.72.41
192 2026-08-25 22:03 639232921673215474
12 ms 103.31.4.41
191 2026-08-25 22:03 639232921673215474
12 ms 162.159.224.41
190 2026-08-25 21:45 639232911234504639
29 ms 172.64.72.41
189 2026-08-25 21:45 639232911234504639
29 ms 103.31.4.41
188 2026-08-25 21:45 639232911234504639
29 ms 162.159.224.41
187 2026-08-25 21:28 639232900747078453
23 ms 103.31.4.41
186 2026-08-25 21:28 639232900747078453
23 ms 162.159.224.41
185 2026-08-25 21:28 639232900747078453
23 ms 172.64.72.41
184 2026-08-25 21:11 639232890389222534
48 ms 162.159.224.41
183 2026-08-25 21:11 639232890389222534
48 ms 172.64.72.41
182 2026-08-25 21:11 639232890389222534
48 ms 103.31.4.41
181 2026-08-25 20:54 639232880143390843
3 ms 162.159.224.41
180 2026-08-25 20:54 639232880143390843
3 ms 172.64.72.41
179 2026-08-25 20:54 639232880143390843
3 ms 103.31.4.41
178 2026-08-25 20:36 639232869755024069
4 ms 103.31.4.41
177 2026-08-25 20:36 639232869755024069
4 ms 172.64.72.41
176 2026-08-25 20:36 639232869755024069
4 ms 162.159.224.41
175 2026-08-25 20:19 639232859355940346
23 ms 162.159.224.41
174 2026-08-25 20:19 639232859355940346
23 ms 172.64.72.41
173 2026-08-25 20:19 639232859355940346
23 ms 103.31.4.41
172 2026-08-25 20:02 639232848992244953
37 ms 103.31.4.41
171 2026-08-25 20:02 639232848992244953
37 ms 162.159.224.41
170 2026-08-25 20:02 639232848992244953
37 ms 172.64.72.41
169 2026-08-25 19:44 639232838596478500
8 ms 162.159.224.41
168 2026-08-25 19:44 639232838596478500
8 ms 172.64.72.41
167 2026-08-25 19:44 639232838596478500
8 ms 103.31.4.41
166 2026-08-25 19:27 639232828175327683
20 ms 162.159.224.41
165 2026-08-25 19:27 639232828175327683
20 ms 172.64.72.41
164 2026-08-25 19:27 639232828175327683
20 ms 103.31.4.41
163 2026-08-25 19:10 639232817798330473
15 ms 162.159.224.41
162 2026-08-25 19:10 639232817798330473
15 ms 103.31.4.41
161 2026-08-25 19:10 639232817798330473
15 ms 172.64.72.41
160 2026-08-25 18:16 639232785462407552
14 ms 103.31.4.41
159 2026-08-25 18:16 639232785462407552
14 ms 172.64.72.41
158 2026-08-25 18:16 639232785462407552
14 ms 162.159.224.41
157 2026-08-25 17:59 639232775177487032
13 ms 172.64.72.41
156 2026-08-25 17:59 639232775177487032
13 ms 103.31.4.41
155 2026-08-25 17:59 639232775177487032
13 ms 162.159.224.41
154 2026-08-25 17:42 639232764991087115
29 ms 162.159.224.41
153 2026-08-25 17:42 639232764991087115
29 ms 172.64.72.41
152 2026-08-25 17:42 639232764991087115
29 ms 103.31.4.41
151 2026-08-25 17:25 639232754842971478
8 ms 103.31.4.41
150 2026-08-25 17:25 639232754842971478
8 ms 172.64.72.41
149 2026-08-25 17:25 639232754842971478
8 ms 162.159.224.41
148 2026-08-25 17:07 639232744455159107
19 ms 103.31.4.41
147 2026-08-25 17:07 639232744455159107
19 ms 172.64.72.41
146 2026-08-25 17:07 639232744455159107
19 ms 162.159.224.41
145 2026-08-25 16:50 639232734145178231
2011 ms 103.31.4.41
144 2026-08-25 16:50 639232734145178231
2011 ms 162.159.224.41
143 2026-08-25 16:50 639232734145178231
2011 ms 172.64.72.41
142 2026-08-25 16:33 639232723827874402
7 ms 172.64.72.41
141 2026-08-25 16:33 639232723827874402
7 ms 162.159.224.41
140 2026-08-25 16:33 639232723827874402
7 ms 103.31.4.41
139 2026-08-25 16:16 639232713533011892
9 ms 162.159.224.41
138 2026-08-25 16:16 639232713533011892
9 ms 103.31.4.41
137 2026-08-25 16:16 639232713533011892
9 ms 172.64.72.41
136 2026-08-25 15:58 639232703065318207
4 ms 162.159.224.41
135 2026-08-25 15:58 639232703065318207
4 ms 172.64.72.41
134 2026-08-25 15:58 639232703065318207
4 ms 103.31.4.41
133 2026-08-25 15:41 639232692629559470
47 ms 103.31.4.41
132 2026-08-25 15:41 639232692629559470
47 ms 162.159.224.41
131 2026-08-25 15:41 639232692629559470
47 ms 172.64.72.41
130 2026-08-25 15:24 639232682238836475
30 ms 103.31.4.41
129 2026-08-25 15:24 639232682238836475
30 ms 172.64.72.41
128 2026-08-25 15:24 639232682238836475
30 ms 162.159.224.41
127 2026-08-25 15:06 639232671787004306
31 ms 172.64.72.41
126 2026-08-25 15:06 639232671787004306
31 ms 162.159.224.41
125 2026-08-25 15:06 639232671787004306
31 ms 103.31.4.41
124 2026-08-25 14:12 639232638994329666
11 ms 162.159.224.41
123 2026-08-25 14:12 639232638994329666
11 ms 103.31.4.41
122 2026-08-25 14:12 639232638994329666
11 ms 172.64.72.41
121 2026-08-25 13:54 639232628614783237
6 ms 103.31.4.41
120 2026-08-25 13:54 639232628614783237
6 ms 162.159.224.41
119 2026-08-25 13:54 639232628614783237
6 ms 172.64.72.41
118 2026-08-25 13:37 639232618360728578
-
117 2026-08-25 13:20 639232608016476376
30 ms 172.64.72.41
116 2026-08-25 13:20 639232608016476376
30 ms 162.159.224.41
115 2026-08-25 13:20 639232608016476376
30 ms 103.31.4.41
114 2026-08-25 13:03 639232597643611557
32 ms 162.159.224.41
113 2026-08-25 13:03 639232597643611557
32 ms 103.31.4.41
112 2026-08-25 13:03 639232597643611557
32 ms 172.64.72.41
111 2026-08-25 12:45 639232587225721862
32 ms 162.159.224.41
110 2026-08-25 12:45 639232587225721862
32 ms 103.31.4.41
109 2026-08-25 12:45 639232587225721862
32 ms 172.64.72.41
108 2026-08-25 12:28 639232576780683689
23 ms 162.159.224.41
107 2026-08-25 12:28 639232576780683689
23 ms 103.31.4.41
106 2026-08-25 12:28 639232576780683689
23 ms 172.64.72.41
105 2026-08-25 12:11 639232566381512620
2038 ms 162.159.224.41
104 2026-08-25 12:11 639232566381512620
2038 ms 172.64.72.41
103 2026-08-25 12:11 639232566381512620
2038 ms 103.31.4.41
102 2026-08-25 11:54 639232556111768563
39 ms 172.64.72.41
101 2026-08-25 11:54 639232556111768563
39 ms 103.31.4.41
100 2026-08-25 11:54 639232556111768563
39 ms 162.159.224.41
99 2026-08-25 11:36 639232545839529039
59 ms 162.159.224.41
98 2026-08-25 11:36 639232545839529039
59 ms 172.64.72.41
97 2026-08-25 11:36 639232545839529039
59 ms 103.31.4.41
96 2026-08-25 11:19 639232535349285207
47 ms 162.159.224.41
95 2026-08-25 11:19 639232535349285207
47 ms 172.64.72.41
94 2026-08-25 11:19 639232535349285207
47 ms 103.31.4.41
93 2026-08-25 11:02 639232524938080723
52 ms 162.159.224.41
92 2026-08-25 11:02 639232524938080723
52 ms 172.64.72.41
91 2026-08-25 11:02 639232524938080723
52 ms 103.31.4.41
90 2026-08-25 10:08 639232492740373468
7 ms 103.31.4.41
89 2026-08-25 10:08 639232492740373468
7 ms 162.159.224.41
88 2026-08-25 10:08 639232492740373468
7 ms 172.64.72.41
87 2026-08-25 09:50 639232482235303141
2056 ms 103.31.4.41
86 2026-08-25 09:50 639232482235303141
2056 ms 162.159.224.41
85 2026-08-25 09:50 639232482235303141
2056 ms 172.64.72.41
84 2026-08-25 09:33 639232471861770303
55 ms 172.64.72.41
83 2026-08-25 09:33 639232471861770303
55 ms 162.159.224.41
82 2026-08-25 09:33 639232471861770303
55 ms 103.31.4.41
81 2026-08-25 09:16 639232461630217327
8 ms 172.64.72.41
80 2026-08-25 09:16 639232461630217327
8 ms 162.159.224.41
79 2026-08-25 09:16 639232461630217327
8 ms 103.31.4.41
78 2026-08-25 08:59 639232451282965990
20 ms 103.31.4.41
77 2026-08-25 08:59 639232451282965990
20 ms 172.64.72.41
76 2026-08-25 08:59 639232451282965990
20 ms 162.159.224.41
75 2026-08-25 08:41 639232440814614938
19 ms 172.64.72.41
74 2026-08-25 08:41 639232440814614938
19 ms 103.31.4.41
73 2026-08-25 08:41 639232440814614938
19 ms 162.159.224.41
72 2026-08-25 08:24 639232430410720425
305 ms 162.159.224.41
71 2026-08-25 08:24 639232430410720425
305 ms 172.64.72.41
70 2026-08-25 08:24 639232430410720425
305 ms 103.31.4.41
69 2026-08-25 08:07 639232420003096185
56 ms 103.31.4.41
68 2026-08-25 08:07 639232420003096185
56 ms 172.64.72.41
67 2026-08-25 08:07 639232420003096185
56 ms 162.159.224.41
66 2026-08-25 07:49 639232409467287444
63 ms 172.64.72.41
65 2026-08-25 07:49 639232409467287444
63 ms 162.159.224.41
64 2026-08-25 07:49 639232409467287444
63 ms 103.31.4.41
63 2026-08-25 07:32 639232399077195997
9 ms 172.64.72.41
62 2026-08-25 07:32 639232399077195997
9 ms 162.159.224.41
61 2026-08-25 07:32 639232399077195997
9 ms 103.31.4.41
60 2026-08-25 07:15 639232388731528337
66 ms 103.31.4.41
59 2026-08-25 07:15 639232388731528337
66 ms 162.159.224.41
58 2026-08-25 07:15 639232388731528337
66 ms 172.64.72.41
57 2026-08-25 06:57 639232378288598612
6 ms 172.64.72.41
56 2026-08-25 06:57 639232378288598612
6 ms 103.31.4.41
55 2026-08-25 06:57 639232378288598612
6 ms 162.159.224.41
54 2026-08-25 06:04 639232346196373643
38 ms 172.64.72.41
53 2026-08-25 06:04 639232346196373643
38 ms 103.31.4.41
52 2026-08-25 06:04 639232346196373643
38 ms 162.159.224.41
51 2026-08-25 05:47 639232336112370741
4 ms 162.159.224.41
50 2026-08-25 05:47 639232336112370741
4 ms 172.64.72.41
49 2026-08-25 05:47 639232336112370741
4 ms 103.31.4.41
48 2026-08-25 05:30 639232326146508970
4 ms 172.64.72.41
47 2026-08-25 05:30 639232326146508970
4 ms 162.159.224.41
46 2026-08-25 05:30 639232326146508970
4 ms 103.31.4.41
45 2026-08-25 05:14 639232316189381720
3 ms 162.159.224.41
44 2026-08-25 05:14 639232316189381720
3 ms 103.31.4.41
43 2026-08-25 05:14 639232316189381720
3 ms 172.64.72.41
42 2026-08-25 04:57 639232306217998913
4 ms 172.64.72.41
41 2026-08-25 04:57 639232306217998913
4 ms 162.159.224.41
40 2026-08-25 04:57 639232306217998913
4 ms 103.31.4.41
39 2026-08-25 04:40 639232296255744174
28 ms 103.31.4.41
38 2026-08-25 04:40 639232296255744174
28 ms 172.64.72.41
37 2026-08-25 04:40 639232296255744174
28 ms 162.159.224.41
36 2026-08-25 04:24 639232286095760789
4 ms 103.31.4.41
35 2026-08-25 04:24 639232286095760789
4 ms 172.64.72.41
34 2026-08-25 04:24 639232286095760789
4 ms 162.159.224.41
33 2026-08-25 04:07 639232276086186273
29 ms 103.31.4.41
32 2026-08-25 04:07 639232276086186273
29 ms 162.159.224.41
31 2026-08-25 04:07 639232276086186273
29 ms 172.64.72.41
30 2026-08-25 03:50 639232265900986425
43 ms 162.159.224.41
29 2026-08-25 03:50 639232265900986425
43 ms 103.31.4.41
28 2026-08-25 03:50 639232265900986425
43 ms 172.64.72.41
27 2026-08-25 03:33 639232255723518075
5 ms 172.64.72.41
26 2026-08-25 03:33 639232255723518075
5 ms 103.31.4.41
25 2026-08-25 03:33 639232255723518075
5 ms 162.159.224.41
24 2026-08-25 03:16 639232245484452890
33 ms 172.64.72.41
23 2026-08-25 03:16 639232245484452890
33 ms 103.31.4.41
22 2026-08-25 03:16 639232245484452890
33 ms 162.159.224.41
21 2026-08-25 02:59 639232235157175331
26 ms 172.64.72.41
20 2026-08-25 02:59 639232235157175331
26 ms 162.159.224.41
19 2026-08-25 02:59 639232235157175331
26 ms 103.31.4.41
18 2026-08-25 02:05 639232203197189095
33 ms 172.64.72.41
17 2026-08-25 02:05 639232203197189095
33 ms 103.31.4.41
16 2026-08-25 02:05 639232203197189095
33 ms 162.159.224.41
15 2026-08-25 01:48 639232192844564298
29 ms 162.159.224.41
14 2026-08-25 01:48 639232192844564298
29 ms 172.64.72.41
13 2026-08-25 01:48 639232192844564298
29 ms 103.31.4.41
12 2026-08-25 01:31 639232182496008942
5 ms 172.64.72.41
11 2026-08-25 01:31 639232182496008942
5 ms 162.159.224.41
10 2026-08-25 01:31 639232182496008942
5 ms 103.31.4.41
9 2026-08-25 01:14 639232172197053132
30 ms 162.159.224.41
8 2026-08-25 01:14 639232172197053132
30 ms 172.64.72.41
7 2026-08-25 01:14 639232172197053132
30 ms 103.31.4.41
6 2026-08-25 00:20 639232140250307418
5 ms 103.31.4.41
5 2026-08-25 00:20 639232140250307418
5 ms 162.159.224.41
4 2026-08-25 00:20 639232140250307418
5 ms 172.64.72.41
3 2026-08-25 00:03 639232129927860324
2015 ms 172.64.72.41
2 2026-08-25 00:03 639232129927860324
2015 ms 162.159.224.41
1 2026-08-25 00:03 639232129927860324
2015 ms 103.31.4.41