DNS response history for blue.us.foundationdns.net

blue.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 2026-08-24. For this date, NameServerHistory found 168 DNS check records, 168 successful responses, 0 failed responses, and 273 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.net.
Records on Selected Date

168

Historical checks stored for this nameserver on selected date

Average Latency

273 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-24 23:46

All timestamps shown in UTC

Latest Resolved IP on Selected Date

162.159.224.21

Most recently resolved hosting IP on selected date

Successful Responses

168

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 blue.us.foundationdns.net

Showing DNS history for 2026-08-24 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
168 2026-08-24 23:46 639232119551972438
4 ms 162.159.224.21
167 2026-08-24 23:46 639232119551972438
4 ms 172.64.72.21
166 2026-08-24 23:46 639232119551972438
4 ms 103.31.4.21
165 2026-08-24 23:28 639232109112567473
6 ms 162.159.224.21
164 2026-08-24 23:28 639232109112567473
6 ms 172.64.72.21
163 2026-08-24 23:28 639232109112567473
6 ms 103.31.4.21
162 2026-08-24 22:36 639232077430823987
6 ms 103.31.4.21
161 2026-08-24 22:36 639232077430823987
6 ms 172.64.72.21
160 2026-08-24 22:36 639232077430823987
6 ms 162.159.224.21
159 2026-08-24 22:19 639232067340513033
5 ms 103.31.4.21
158 2026-08-24 22:19 639232067340513033
5 ms 162.159.224.21
157 2026-08-24 22:19 639232067340513033
5 ms 172.64.72.21
156 2026-08-24 22:02 639232057157944387
6 ms 103.31.4.21
155 2026-08-24 22:02 639232057157944387
6 ms 172.64.72.21
154 2026-08-24 22:02 639232057157944387
6 ms 162.159.224.21
153 2026-08-24 21:45 639232046895282144
29 ms 103.31.4.21
152 2026-08-24 21:45 639232046895282144
29 ms 172.64.72.21
151 2026-08-24 21:45 639232046895282144
29 ms 162.159.224.21
150 2026-08-24 20:50 639232014356623395
21 ms 103.31.4.21
149 2026-08-24 20:50 639232014356623395
21 ms 172.64.72.21
148 2026-08-24 20:50 639232014356623395
21 ms 162.159.224.21
147 2026-08-24 20:33 639232004177831322
9 ms 162.159.224.21
146 2026-08-24 20:33 639232004177831322
9 ms 103.31.4.21
145 2026-08-24 20:33 639232004177831322
9 ms 172.64.72.21
144 2026-08-24 20:17 639231993997863976
41 ms 103.31.4.21
143 2026-08-24 20:17 639231993997863976
41 ms 162.159.224.21
142 2026-08-24 20:17 639231993997863976
41 ms 172.64.72.21
141 2026-08-24 20:00 639231983967363696
42 ms 103.31.4.21
140 2026-08-24 20:00 639231983967363696
42 ms 172.64.72.21
139 2026-08-24 20:00 639231983967363696
42 ms 162.159.224.21
138 2026-08-24 19:07 639231952257842845
2071 ms 162.159.224.21
137 2026-08-24 19:07 639231952257842845
2071 ms 103.31.4.21
136 2026-08-24 19:07 639231952257842845
2071 ms 172.64.72.21
135 2026-08-24 18:50 639231942277816756
57 ms 162.159.224.21
134 2026-08-24 18:50 639231942277816756
57 ms 172.64.72.21
133 2026-08-24 18:50 639231942277816756
57 ms 103.31.4.21
132 2026-08-24 18:33 639231932094180724
37 ms 162.159.224.21
131 2026-08-24 18:33 639231932094180724
37 ms 103.31.4.21
130 2026-08-24 18:33 639231932094180724
37 ms 172.64.72.21
129 2026-08-24 18:17 639231922041034838
26 ms 162.159.224.21
128 2026-08-24 18:17 639231922041034838
26 ms 172.64.72.21
127 2026-08-24 18:17 639231922041034838
26 ms 103.31.4.21
126 2026-08-24 17:24 639231890488117536
35 ms 162.159.224.21
125 2026-08-24 17:24 639231890488117536
35 ms 172.64.72.21
124 2026-08-24 17:24 639231890488117536
35 ms 103.31.4.21
123 2026-08-24 17:08 639231880574255543
27 ms 172.64.72.21
122 2026-08-24 17:08 639231880574255543
27 ms 162.159.224.21
121 2026-08-24 17:08 639231880574255543
27 ms 103.31.4.21
120 2026-08-24 16:51 639231870418029045
12 ms 162.159.224.21
119 2026-08-24 16:51 639231870418029045
12 ms 172.64.72.21
118 2026-08-24 16:51 639231870418029045
12 ms 103.31.4.21
117 2026-08-24 16:34 639231860258429562
7 ms 172.64.72.21
116 2026-08-24 16:34 639231860258429562
7 ms 103.31.4.21
115 2026-08-24 16:34 639231860258429562
7 ms 162.159.224.21
114 2026-08-24 15:40 639231828211839931
68 ms 162.159.224.21
113 2026-08-24 15:40 639231828211839931
68 ms 103.31.4.21
112 2026-08-24 15:40 639231828211839931
68 ms 172.64.72.21
111 2026-08-24 15:23 639231818080917481
5 ms 172.64.72.21
110 2026-08-24 15:23 639231818080917481
5 ms 162.159.224.21
109 2026-08-24 15:23 639231818080917481
5 ms 103.31.4.21
108 2026-08-24 15:06 639231807961539652
11 ms 103.31.4.21
107 2026-08-24 15:06 639231807961539652
11 ms 162.159.224.21
106 2026-08-24 15:06 639231807961539652
11 ms 172.64.72.21
105 2026-08-24 14:49 639231797631669865
10 ms 172.64.72.21
104 2026-08-24 14:49 639231797631669865
10 ms 103.31.4.21
103 2026-08-24 14:49 639231797631669865
10 ms 162.159.224.21
102 2026-08-24 13:56 639231765923559455
14 ms 172.64.72.21
101 2026-08-24 13:56 639231765923559455
14 ms 103.31.4.21
100 2026-08-24 13:56 639231765923559455
14 ms 162.159.224.21
99 2026-08-24 13:40 639231755868832964
39 ms 172.64.72.21
98 2026-08-24 13:40 639231755868832964
39 ms 103.31.4.21
97 2026-08-24 13:40 639231755868832964
39 ms 162.159.224.21
96 2026-08-24 13:23 639231745628278877
17 ms 172.64.72.21
95 2026-08-24 13:23 639231745628278877
17 ms 162.159.224.21
94 2026-08-24 13:23 639231745628278877
17 ms 103.31.4.21
93 2026-08-24 13:06 639231735407682062
13 ms 172.64.72.21
92 2026-08-24 13:06 639231735407682062
13 ms 103.31.4.21
91 2026-08-24 13:06 639231735407682062
13 ms 162.159.224.21
90 2026-08-24 12:13 639231703815441688
42 ms 162.159.224.21
89 2026-08-24 12:13 639231703815441688
42 ms 103.31.4.21
88 2026-08-24 12:13 639231703815441688
42 ms 172.64.72.21
87 2026-08-24 11:56 639231693747052549
13 ms 172.64.72.21
86 2026-08-24 11:56 639231693747052549
13 ms 103.31.4.21
85 2026-08-24 11:56 639231693747052549
13 ms 162.159.224.21
84 2026-08-24 11:39 639231683712487276
7 ms 172.64.72.21
83 2026-08-24 11:39 639231683712487276
7 ms 103.31.4.21
82 2026-08-24 11:39 639231683712487276
7 ms 162.159.224.21
81 2026-08-24 11:22 639231673513573868
31 ms 172.64.72.21
80 2026-08-24 11:22 639231673513573868
31 ms 162.159.224.21
79 2026-08-24 11:22 639231673513573868
31 ms 103.31.4.21
78 2026-08-24 10:30 639231641791249939
4012 ms 172.64.72.21
77 2026-08-24 10:30 639231641791249939
4012 ms 103.31.4.21
76 2026-08-24 10:30 639231641791249939
4012 ms 162.159.224.21
75 2026-08-24 10:13 639231631866211033
4037 ms 172.64.72.21
74 2026-08-24 10:13 639231631866211033
4037 ms 162.159.224.21
73 2026-08-24 10:13 639231631866211033
4037 ms 103.31.4.21
72 2026-08-24 09:56 639231621644955316
6 ms 172.64.72.21
71 2026-08-24 09:56 639231621644955316
6 ms 103.31.4.21
70 2026-08-24 09:56 639231621644955316
6 ms 162.159.224.21
69 2026-08-24 09:39 639231611478799259
18 ms 162.159.224.21
68 2026-08-24 09:39 639231611478799259
18 ms 172.64.72.21
67 2026-08-24 09:39 639231611478799259
18 ms 103.31.4.21
66 2026-08-24 08:46 639231579923718211
7 ms 162.159.224.21
65 2026-08-24 08:46 639231579923718211
7 ms 172.64.72.21
64 2026-08-24 08:46 639231579923718211
7 ms 103.31.4.21
63 2026-08-24 08:30 639231569810702936
145 ms 172.64.72.21
62 2026-08-24 08:30 639231569810702936
145 ms 103.31.4.21
61 2026-08-24 08:30 639231569810702936
145 ms 162.159.224.21
60 2026-08-24 08:13 639231559762411619
9 ms 162.159.224.21
59 2026-08-24 08:13 639231559762411619
9 ms 172.64.72.21
58 2026-08-24 08:13 639231559762411619
9 ms 103.31.4.21
57 2026-08-24 07:56 639231549663595407
6 ms 103.31.4.21
56 2026-08-24 07:56 639231549663595407
6 ms 162.159.224.21
55 2026-08-24 07:56 639231549663595407
6 ms 172.64.72.21
54 2026-08-24 07:03 639231518076817246
2039 ms 172.64.72.21
53 2026-08-24 07:03 639231518076817246
2039 ms 103.31.4.21
52 2026-08-24 07:03 639231518076817246
2039 ms 162.159.224.21
51 2026-08-24 06:47 639231508078650885
58 ms 103.31.4.21
50 2026-08-24 06:47 639231508078650885
58 ms 172.64.72.21
49 2026-08-24 06:47 639231508078650885
58 ms 162.159.224.21
48 2026-08-24 06:30 639231498210697093
37 ms 103.31.4.21
47 2026-08-24 06:30 639231498210697093
37 ms 162.159.224.21
46 2026-08-24 06:30 639231498210697093
37 ms 172.64.72.21
45 2026-08-24 06:13 639231488109699360
31 ms 162.159.224.21
44 2026-08-24 06:13 639231488109699360
31 ms 172.64.72.21
43 2026-08-24 06:13 639231488109699360
31 ms 103.31.4.21
42 2026-08-24 05:21 639231456772510692
2034 ms 162.159.224.21
41 2026-08-24 05:21 639231456772510692
2034 ms 172.64.72.21
40 2026-08-24 05:21 639231456772510692
2034 ms 103.31.4.21
39 2026-08-24 05:05 639231447084631185
7 ms 103.31.4.21
38 2026-08-24 05:05 639231447084631185
7 ms 162.159.224.21
37 2026-08-24 05:05 639231447084631185
7 ms 172.64.72.21
36 2026-08-24 04:49 639231437208519473
10 ms 162.159.224.21
35 2026-08-24 04:49 639231437208519473
10 ms 172.64.72.21
34 2026-08-24 04:49 639231437208519473
10 ms 103.31.4.21
33 2026-08-24 04:32 639231427209627490
4 ms 162.159.224.21
32 2026-08-24 04:32 639231427209627490
4 ms 172.64.72.21
31 2026-08-24 04:32 639231427209627490
4 ms 103.31.4.21
30 2026-08-24 03:39 639231395791246644
10 ms 162.159.224.21
29 2026-08-24 03:39 639231395791246644
10 ms 172.64.72.21
28 2026-08-24 03:39 639231395791246644
10 ms 103.31.4.21
27 2026-08-24 03:23 639231386075551458
6 ms 103.31.4.21
26 2026-08-24 03:23 639231386075551458
6 ms 162.159.224.21
25 2026-08-24 03:23 639231386075551458
6 ms 172.64.72.21
24 2026-08-24 03:07 639231376208713791
3 ms 162.159.224.21
23 2026-08-24 03:07 639231376208713791
3 ms 103.31.4.21
22 2026-08-24 03:07 639231376208713791
3 ms 172.64.72.21
21 2026-08-24 02:50 639231366170589276
9 ms 172.64.72.21
20 2026-08-24 02:50 639231366170589276
9 ms 162.159.224.21
19 2026-08-24 02:50 639231366170589276
9 ms 103.31.4.21
18 2026-08-24 01:58 639231334732159368
7 ms 103.31.4.21
17 2026-08-24 01:58 639231334732159368
7 ms 172.64.72.21
16 2026-08-24 01:58 639231334732159368
7 ms 162.159.224.21
15 2026-08-24 01:42 639231325035670078
4 ms 103.31.4.21
14 2026-08-24 01:42 639231325035670078
4 ms 162.159.224.21
13 2026-08-24 01:42 639231325035670078
4 ms 172.64.72.21
12 2026-08-24 01:25 639231315132253837
4 ms 172.64.72.21
11 2026-08-24 01:25 639231315132253837
4 ms 162.159.224.21
10 2026-08-24 01:25 639231315132253837
4 ms 103.31.4.21
9 2026-08-24 01:08 639231305014280808
24 ms 172.64.72.21
8 2026-08-24 01:08 639231305014280808
24 ms 162.159.224.21
7 2026-08-24 01:08 639231305014280808
24 ms 103.31.4.21
6 2026-08-24 00:16 639231273779380675
18 ms 172.64.72.21
5 2026-08-24 00:16 639231273779380675
18 ms 103.31.4.21
4 2026-08-24 00:16 639231273779380675
18 ms 162.159.224.21
3 2026-08-24 00:00 639231264180839154
48 ms 172.64.72.21
2 2026-08-24 00:00 639231264180839154
48 ms 162.159.224.21
1 2026-08-24 00:00 639231264180839154
48 ms 103.31.4.21