DNS response history for tan.us.foundationdns.org

tan.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 2026-08-26. For this date, NameServerHistory found 86 DNS check records, 84 successful responses, 2 failed responses, and 178 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 tan.us.foundationdns.org.
Records on Selected Date

86

Historical checks stored for this nameserver on selected date

Average Latency

178 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 09:39

All timestamps shown in UTC

Latest Resolved IP on Selected Date

172.64.72.56

Most recently resolved hosting IP on selected date

Successful Responses

84

Checks that returned a measurable response

Failed Responses

2

Checks with no response or no returned latency

Failure Rate

2%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for tan.us.foundationdns.org

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
86 2026-08-26 09:39 639233339545274518
7 ms 172.64.72.56
85 2026-08-26 09:39 639233339545274518
7 ms 162.159.224.56
84 2026-08-26 09:39 639233339545274518
7 ms 103.31.4.56
83 2026-08-26 09:22 639233329214918079
30 ms 103.31.4.56
82 2026-08-26 09:22 639233329214918079
30 ms 162.159.224.56
81 2026-08-26 09:22 639233329214918079
30 ms 172.64.72.56
80 2026-08-26 09:04 639233318749762337
6 ms 103.31.4.56
79 2026-08-26 09:04 639233318749762337
6 ms 172.64.72.56
78 2026-08-26 09:04 639233318749762337
6 ms 162.159.224.56
77 2026-08-26 08:47 639233308387917838
26 ms 162.159.224.56
76 2026-08-26 08:47 639233308387917838
26 ms 103.31.4.56
75 2026-08-26 08:47 639233308387917838
26 ms 172.64.72.56
74 2026-08-26 08:30 639233297961740122
27 ms 103.31.4.56
73 2026-08-26 08:30 639233297961740122
27 ms 162.159.224.56
72 2026-08-26 08:30 639233297961740122
27 ms 172.64.72.56
71 2026-08-26 08:12 639233287487159094
-
70 2026-08-26 07:55 639233276995531707
10 ms 162.159.224.56
69 2026-08-26 07:55 639233276995531707
10 ms 172.64.72.56
68 2026-08-26 07:55 639233276995531707
10 ms 103.31.4.56
67 2026-08-26 07:37 639233266521568229
45 ms 172.64.72.56
66 2026-08-26 07:37 639233266521568229
45 ms 162.159.224.56
65 2026-08-26 07:37 639233266521568229
45 ms 103.31.4.56
64 2026-08-26 07:20 639233256081047431
49 ms 162.159.224.56
63 2026-08-26 07:20 639233256081047431
49 ms 103.31.4.56
62 2026-08-26 07:20 639233256081047431
49 ms 172.64.72.56
61 2026-08-26 06:26 639233223620132921
31 ms 103.31.4.56
60 2026-08-26 06:26 639233223620132921
31 ms 162.159.224.56
59 2026-08-26 06:26 639233223620132921
31 ms 172.64.72.56
58 2026-08-26 06:08 639233213287814244
89 ms 103.31.4.56
57 2026-08-26 06:08 639233213287814244
89 ms 162.159.224.56
56 2026-08-26 06:08 639233213287814244
89 ms 172.64.72.56
55 2026-08-26 05:51 639233202925983161
5 ms 162.159.224.56
54 2026-08-26 05:51 639233202925983161
5 ms 103.31.4.56
53 2026-08-26 05:51 639233202925983161
5 ms 172.64.72.56
52 2026-08-26 05:34 639233192644780696
44 ms 103.31.4.56
51 2026-08-26 05:34 639233192644780696
44 ms 162.159.224.56
50 2026-08-26 05:34 639233192644780696
44 ms 172.64.72.56
49 2026-08-26 05:17 639233182401183833
2025 ms 172.64.72.56
48 2026-08-26 05:17 639233182401183833
2025 ms 103.31.4.56
47 2026-08-26 05:17 639233182401183833
2025 ms 162.159.224.56
46 2026-08-26 05:00 639233172074181051
64 ms 103.31.4.56
45 2026-08-26 05:00 639233172074181051
64 ms 162.159.224.56
44 2026-08-26 05:00 639233172074181051
64 ms 172.64.72.56
43 2026-08-26 04:43 639233161808421455
49 ms 103.31.4.56
42 2026-08-26 04:43 639233161808421455
49 ms 172.64.72.56
41 2026-08-26 04:43 639233161808421455
49 ms 162.159.224.56
40 2026-08-26 04:25 639233151357344052
18 ms 172.64.72.56
39 2026-08-26 04:25 639233151357344052
18 ms 162.159.224.56
38 2026-08-26 04:25 639233151357344052
18 ms 103.31.4.56
37 2026-08-26 04:08 639233141034116946
82 ms 172.64.72.56
36 2026-08-26 04:08 639233141034116946
82 ms 103.31.4.56
35 2026-08-26 04:08 639233141034116946
82 ms 162.159.224.56
34 2026-08-26 03:51 639233130828334142
26 ms 103.31.4.56
33 2026-08-26 03:51 639233130828334142
26 ms 172.64.72.56
32 2026-08-26 03:51 639233130828334142
26 ms 162.159.224.56
31 2026-08-26 03:34 639233120373450007
6 ms 162.159.224.56
30 2026-08-26 03:34 639233120373450007
6 ms 172.64.72.56
29 2026-08-26 03:34 639233120373450007
6 ms 103.31.4.56
28 2026-08-26 03:16 639233110066216193
57 ms 172.64.72.56
27 2026-08-26 03:16 639233110066216193
57 ms 162.159.224.56
26 2026-08-26 03:16 639233110066216193
57 ms 103.31.4.56
25 2026-08-26 02:23 639233078065410564
27 ms 103.31.4.56
24 2026-08-26 02:23 639233078065410564
27 ms 162.159.224.56
23 2026-08-26 02:23 639233078065410564
27 ms 172.64.72.56
22 2026-08-26 02:06 639233067787457832
2012 ms 162.159.224.56
21 2026-08-26 02:06 639233067787457832
2012 ms 103.31.4.56
20 2026-08-26 02:06 639233067787457832
2012 ms 172.64.72.56
19 2026-08-26 01:49 639233057501801162
36 ms 162.159.224.56
18 2026-08-26 01:49 639233057501801162
36 ms 103.31.4.56
17 2026-08-26 01:49 639233057501801162
36 ms 172.64.72.56
16 2026-08-26 01:31 639233047089431703
4 ms 172.64.72.56
15 2026-08-26 01:31 639233047089431703
4 ms 103.31.4.56
14 2026-08-26 01:31 639233047089431703
4 ms 162.159.224.56
13 2026-08-26 01:14 639233036754790688
4 ms 103.31.4.56
12 2026-08-26 01:14 639233036754790688
4 ms 162.159.224.56
11 2026-08-26 01:14 639233036754790688
4 ms 172.64.72.56
10 2026-08-26 00:57 639233026412602472
-
9 2026-08-26 00:40 639233016064066127
8 ms 162.159.224.56
8 2026-08-26 00:40 639233016064066127
8 ms 103.31.4.56
7 2026-08-26 00:40 639233016064066127
8 ms 172.64.72.56
6 2026-08-26 00:23 639233005922655772
174 ms 103.31.4.56
5 2026-08-26 00:23 639233005922655772
174 ms 162.159.224.56
4 2026-08-26 00:23 639233005922655772
174 ms 172.64.72.56
3 2026-08-26 00:06 639232995672256907
32 ms 103.31.4.56
2 2026-08-26 00:06 639232995672256907
32 ms 162.159.224.56
1 2026-08-26 00:06 639232995672256907
32 ms 172.64.72.56