DNS response history for cyan.us.foundationdns.net

cyan.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 2026-08-26. For this date, NameServerHistory found 141 DNS check records, 141 successful responses, 0 failed responses, and 366 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 cyan.us.foundationdns.net.
Records on Selected Date

141

Historical checks stored for this nameserver on selected date

Average Latency

366 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 15:48

All timestamps shown in UTC

Latest Resolved IP on Selected Date

103.31.4.38

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 cyan.us.foundationdns.net

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
141 2026-08-26 15:48 639233561188633861
2043 ms 103.31.4.38
140 2026-08-26 15:48 639233561188633861
2043 ms 162.159.224.38
139 2026-08-26 15:48 639233561188633861
2043 ms 172.64.72.38
138 2026-08-26 15:31 639233550544357027
12 ms 103.31.4.38
137 2026-08-26 15:31 639233550544357027
12 ms 162.159.224.38
136 2026-08-26 15:31 639233550544357027
12 ms 172.64.72.38
135 2026-08-26 14:36 639233517966053117
15 ms 103.31.4.38
134 2026-08-26 14:36 639233517966053117
15 ms 172.64.72.38
133 2026-08-26 14:36 639233517966053117
15 ms 162.159.224.38
132 2026-08-26 14:19 639233507603253585
2071 ms 172.64.72.38
131 2026-08-26 14:19 639233507603253585
2071 ms 162.159.224.38
130 2026-08-26 14:19 639233507603253585
2071 ms 103.31.4.38
129 2026-08-26 14:02 639233497229039167
9 ms 162.159.224.38
128 2026-08-26 14:02 639233497229039167
9 ms 103.31.4.38
127 2026-08-26 14:02 639233497229039167
9 ms 172.64.72.38
126 2026-08-26 13:45 639233486864546406
26 ms 162.159.224.38
125 2026-08-26 13:45 639233486864546406
26 ms 103.31.4.38
124 2026-08-26 13:45 639233486864546406
26 ms 172.64.72.38
123 2026-08-26 13:27 639233476455174682
40 ms 162.159.224.38
122 2026-08-26 13:27 639233476455174682
40 ms 103.31.4.38
121 2026-08-26 13:27 639233476455174682
40 ms 172.64.72.38
120 2026-08-26 13:10 639233466171592605
2141 ms 172.64.72.38
119 2026-08-26 13:10 639233466171592605
2141 ms 103.31.4.38
118 2026-08-26 13:10 639233466171592605
2141 ms 162.159.224.38
117 2026-08-26 12:53 639233455747096265
26 ms 172.64.72.38
116 2026-08-26 12:53 639233455747096265
26 ms 162.159.224.38
115 2026-08-26 12:53 639233455747096265
26 ms 103.31.4.38
114 2026-08-26 12:35 639233445367152284
8 ms 172.64.72.38
113 2026-08-26 12:35 639233445367152284
8 ms 162.159.224.38
112 2026-08-26 12:35 639233445367152284
8 ms 103.31.4.38
111 2026-08-26 12:18 639233434974187439
2015 ms 172.64.72.38
110 2026-08-26 12:18 639233434974187439
2015 ms 162.159.224.38
109 2026-08-26 12:18 639233434974187439
2015 ms 103.31.4.38
108 2026-08-26 12:01 639233424567558554
22 ms 172.64.72.38
107 2026-08-26 12:01 639233424567558554
22 ms 103.31.4.38
106 2026-08-26 12:01 639233424567558554
22 ms 162.159.224.38
105 2026-08-26 11:43 639233414056832719
19 ms 162.159.224.38
104 2026-08-26 11:43 639233414056832719
19 ms 103.31.4.38
103 2026-08-26 11:43 639233414056832719
19 ms 172.64.72.38
102 2026-08-26 11:26 639233403515141099
18 ms 103.31.4.38
101 2026-08-26 11:26 639233403515141099
18 ms 162.159.224.38
100 2026-08-26 11:26 639233403515141099
18 ms 172.64.72.38
99 2026-08-26 10:31 639233370841350248
2039 ms 162.159.224.38
98 2026-08-26 10:31 639233370841350248
2039 ms 172.64.72.38
97 2026-08-26 10:31 639233370841350248
2039 ms 103.31.4.38
96 2026-08-26 10:14 639233360361507238
4 ms 103.31.4.38
95 2026-08-26 10:14 639233360361507238
4 ms 172.64.72.38
94 2026-08-26 10:14 639233360361507238
4 ms 162.159.224.38
93 2026-08-26 09:57 639233350067824371
30 ms 172.64.72.38
92 2026-08-26 09:57 639233350067824371
30 ms 103.31.4.38
91 2026-08-26 09:57 639233350067824371
30 ms 162.159.224.38
90 2026-08-26 09:39 639233339545274518
39 ms 162.159.224.38
89 2026-08-26 09:39 639233339545274518
39 ms 172.64.72.38
88 2026-08-26 09:39 639233339545274518
39 ms 103.31.4.38
87 2026-08-26 09:22 639233329214918079
4 ms 172.64.72.38
86 2026-08-26 09:22 639233329214918079
4 ms 103.31.4.38
85 2026-08-26 09:22 639233329214918079
4 ms 162.159.224.38
84 2026-08-26 09:04 639233318749762337
20 ms 172.64.72.38
83 2026-08-26 09:04 639233318749762337
20 ms 103.31.4.38
82 2026-08-26 09:04 639233318749762337
20 ms 162.159.224.38
81 2026-08-26 08:47 639233308387917838
45 ms 162.159.224.38
80 2026-08-26 08:47 639233308387917838
45 ms 103.31.4.38
79 2026-08-26 08:47 639233308387917838
45 ms 172.64.72.38
78 2026-08-26 08:30 639233297961740122
28 ms 162.159.224.38
77 2026-08-26 08:30 639233297961740122
28 ms 103.31.4.38
76 2026-08-26 08:30 639233297961740122
28 ms 172.64.72.38
75 2026-08-26 08:12 639233287487159094
26 ms 162.159.224.38
74 2026-08-26 08:12 639233287487159094
26 ms 172.64.72.38
73 2026-08-26 08:12 639233287487159094
26 ms 103.31.4.38
72 2026-08-26 07:55 639233276995531707
2046 ms 162.159.224.38
71 2026-08-26 07:55 639233276995531707
2046 ms 103.31.4.38
70 2026-08-26 07:55 639233276995531707
2046 ms 172.64.72.38
69 2026-08-26 07:37 639233266521568229
42 ms 103.31.4.38
68 2026-08-26 07:37 639233266521568229
42 ms 172.64.72.38
67 2026-08-26 07:37 639233266521568229
42 ms 162.159.224.38
66 2026-08-26 07:20 639233256081047431
3 ms 103.31.4.38
65 2026-08-26 07:20 639233256081047431
3 ms 172.64.72.38
64 2026-08-26 07:20 639233256081047431
3 ms 162.159.224.38
63 2026-08-26 06:26 639233223620132921
5 ms 162.159.224.38
62 2026-08-26 06:26 639233223620132921
5 ms 103.31.4.38
61 2026-08-26 06:26 639233223620132921
5 ms 172.64.72.38
60 2026-08-26 06:09 639233213287814244
22 ms 162.159.224.38
59 2026-08-26 06:09 639233213287814244
22 ms 103.31.4.38
58 2026-08-26 06:09 639233213287814244
22 ms 172.64.72.38
57 2026-08-26 05:51 639233202925983161
23 ms 162.159.224.38
56 2026-08-26 05:51 639233202925983161
23 ms 172.64.72.38
55 2026-08-26 05:51 639233202925983161
23 ms 103.31.4.38
54 2026-08-26 05:34 639233192644780696
3 ms 162.159.224.38
53 2026-08-26 05:34 639233192644780696
3 ms 103.31.4.38
52 2026-08-26 05:34 639233192644780696
3 ms 172.64.72.38
51 2026-08-26 05:17 639233182401183833
11 ms 172.64.72.38
50 2026-08-26 05:17 639233182401183833
11 ms 103.31.4.38
49 2026-08-26 05:17 639233182401183833
11 ms 162.159.224.38
48 2026-08-26 05:00 639233172074181051
4 ms 103.31.4.38
47 2026-08-26 05:00 639233172074181051
4 ms 172.64.72.38
46 2026-08-26 05:00 639233172074181051
4 ms 162.159.224.38
45 2026-08-26 04:43 639233161808421455
61 ms 103.31.4.38
44 2026-08-26 04:43 639233161808421455
61 ms 162.159.224.38
43 2026-08-26 04:43 639233161808421455
61 ms 172.64.72.38
42 2026-08-26 04:25 639233151357344052
2038 ms 103.31.4.38
41 2026-08-26 04:25 639233151357344052
2038 ms 172.64.72.38
40 2026-08-26 04:25 639233151357344052
2038 ms 162.159.224.38
39 2026-08-26 04:08 639233141034116946
27 ms 103.31.4.38
38 2026-08-26 04:08 639233141034116946
27 ms 172.64.72.38
37 2026-08-26 04:08 639233141034116946
27 ms 162.159.224.38
36 2026-08-26 03:51 639233130828334142
29 ms 162.159.224.38
35 2026-08-26 03:51 639233130828334142
29 ms 103.31.4.38
34 2026-08-26 03:51 639233130828334142
29 ms 172.64.72.38
33 2026-08-26 03:34 639233120373450007
10 ms 162.159.224.38
32 2026-08-26 03:34 639233120373450007
10 ms 172.64.72.38
31 2026-08-26 03:34 639233120373450007
10 ms 103.31.4.38
30 2026-08-26 03:17 639233110066216193
35 ms 103.31.4.38
29 2026-08-26 03:17 639233110066216193
35 ms 172.64.72.38
28 2026-08-26 03:17 639233110066216193
35 ms 162.159.224.38
27 2026-08-26 02:23 639233078065410564
40 ms 172.64.72.38
26 2026-08-26 02:23 639233078065410564
40 ms 103.31.4.38
25 2026-08-26 02:23 639233078065410564
40 ms 162.159.224.38
24 2026-08-26 02:06 639233067787457832
21 ms 103.31.4.38
23 2026-08-26 02:06 639233067787457832
21 ms 172.64.72.38
22 2026-08-26 02:06 639233067787457832
21 ms 162.159.224.38
21 2026-08-26 01:49 639233057501801162
4 ms 162.159.224.38
20 2026-08-26 01:49 639233057501801162
4 ms 172.64.72.38
19 2026-08-26 01:49 639233057501801162
4 ms 103.31.4.38
18 2026-08-26 01:32 639233047089431703
4 ms 103.31.4.38
17 2026-08-26 01:32 639233047089431703
4 ms 162.159.224.38
16 2026-08-26 01:32 639233047089431703
4 ms 172.64.72.38
15 2026-08-26 01:14 639233036754790688
12 ms 172.64.72.38
14 2026-08-26 01:14 639233036754790688
12 ms 103.31.4.38
13 2026-08-26 01:14 639233036754790688
12 ms 162.159.224.38
12 2026-08-26 00:57 639233026412602472
5 ms 162.159.224.38
11 2026-08-26 00:57 639233026412602472
5 ms 103.31.4.38
10 2026-08-26 00:57 639233026412602472
5 ms 172.64.72.38
9 2026-08-26 00:40 639233016064066127
6 ms 103.31.4.38
8 2026-08-26 00:40 639233016064066127
6 ms 172.64.72.38
7 2026-08-26 00:40 639233016064066127
6 ms 162.159.224.38
6 2026-08-26 00:23 639233005922655772
2046 ms 103.31.4.38
5 2026-08-26 00:23 639233005922655772
2046 ms 172.64.72.38
4 2026-08-26 00:23 639233005922655772
2046 ms 162.159.224.38
3 2026-08-26 00:06 639232995672256907
4 ms 162.159.224.38
2 2026-08-26 00:06 639232995672256907
4 ms 103.31.4.38
1 2026-08-26 00:06 639232995672256907
4 ms 172.64.72.38