DNS response history for u4.amazonaws.com

u4.amazonaws.com 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 2026-08-21. For this date, NameServerHistory found 73 DNS check records, 73 successful responses, 0 failed responses, and 248 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 u4.amazonaws.com.
Records on Selected Date

73

Historical checks stored for this nameserver on selected date

Average Latency

248 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-21 23:50

All timestamps shown in UTC

Latest Resolved IP on Selected Date

156.154.67.10

Most recently resolved hosting IP on selected date

Successful Responses

73

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 u4.amazonaws.com

Showing DNS history for 2026-08-21 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
73 2026-08-21 23:50 639229527598660841
41 ms 156.154.67.10
72 2026-08-21 23:34 639229517954323214
29 ms 156.154.67.10
71 2026-08-21 23:18 639229508269999021
2036 ms 156.154.67.10
70 2026-08-21 23:01 639229498559060171
13 ms 156.154.67.10
69 2026-08-21 22:45 639229488519347586
21 ms 156.154.67.10
68 2026-08-21 21:52 639229456606578934
53 ms 156.154.67.10
67 2026-08-21 21:36 639229446985772499
2014 ms 156.154.67.10
66 2026-08-21 21:19 639229437367313098
4 ms 156.154.67.10
65 2026-08-21 21:04 639229427923950391
7 ms 156.154.67.10
64 2026-08-21 20:47 639229418168588854
45 ms 156.154.67.10
63 2026-08-21 20:31 639229408345678334
55 ms 156.154.67.10
62 2026-08-21 20:15 639229398616354648
40 ms 156.154.67.10
61 2026-08-21 19:58 639229388634592323
40 ms 156.154.67.10
60 2026-08-21 19:42 639229378792837692
2011 ms 156.154.67.10
59 2026-08-21 19:26 639229369154682311
68 ms 156.154.67.10
58 2026-08-21 19:09 639229359248017926
30 ms 156.154.67.10
57 2026-08-21 18:52 639229349124294642
8 ms 156.154.67.10
56 2026-08-21 18:00 639229317791715692
19 ms 156.154.67.10
55 2026-08-21 17:44 639229308115194575
8 ms 156.154.67.10
54 2026-08-21 17:28 639229298320320558
2016 ms 156.154.67.10
53 2026-08-21 17:12 639229288674863221
45 ms 156.154.67.10
52 2026-08-21 16:55 639229278983677079
60 ms 156.154.67.10
51 2026-08-21 16:39 639229269405517175
22 ms 156.154.67.10
50 2026-08-21 16:23 639229259594798244
43 ms 156.154.67.10
49 2026-08-21 16:07 639229249736681188
37 ms 156.154.67.10
48 2026-08-21 15:50 639229239699417787
4 ms 156.154.67.10
47 2026-08-21 15:33 639229229621964033
14 ms 156.154.67.10
46 2026-08-21 15:16 639229219567270965
2040 ms 156.154.67.10
45 2026-08-21 15:00 639229209406666856
10 ms 156.154.67.10
44 2026-08-21 14:07 639229177815876178
33 ms 156.154.67.10
43 2026-08-21 13:51 639229168243572685
15 ms 156.154.67.10
42 2026-08-21 13:35 639229158599856475
12 ms 156.154.67.10
41 2026-08-21 13:19 639229148998940902
8 ms 156.154.67.10
40 2026-08-21 13:03 639229139276923594
2015 ms 156.154.67.10
39 2026-08-21 12:47 639229129709912394
8 ms 156.154.67.10
38 2026-08-21 12:30 639229119801488500
9 ms 156.154.67.10
37 2026-08-21 12:14 639229110135262458
22 ms 156.154.67.10
36 2026-08-21 11:58 639229100336051392
41 ms 156.154.67.10
35 2026-08-21 11:42 639229090641415626
13 ms 156.154.67.10
34 2026-08-21 11:25 639229080702683947
88 ms 156.154.67.10
33 2026-08-21 11:08 639229070601456699
74 ms 156.154.67.10
32 2026-08-21 10:15 639229038947447232
6 ms 156.154.67.10
31 2026-08-21 09:59 639229029268708773
20 ms 156.154.67.10
30 2026-08-21 09:43 639229019647910603
47 ms 156.154.67.10
29 2026-08-21 09:27 639229009983843738
13 ms 156.154.67.10
28 2026-08-21 09:11 639229000203331882
13 ms 156.154.67.10
27 2026-08-21 08:54 639228990302335999
64 ms 156.154.67.10
26 2026-08-21 08:38 639228980567740722
105 ms 156.154.67.10
25 2026-08-21 08:22 639228970762445174
39 ms 156.154.67.10
24 2026-08-21 08:06 639228961065054445
4 ms 156.154.67.10
23 2026-08-21 07:49 639228951224649885
19 ms 156.154.67.10
22 2026-08-21 07:33 639228941303864592
42 ms 156.154.67.10
21 2026-08-21 07:16 639228931191328583
9 ms 156.154.67.10
20 2026-08-21 06:23 639228899518173317
30 ms 156.154.67.10
19 2026-08-21 06:07 639228889785027669
78 ms 156.154.67.10
18 2026-08-21 05:51 639228880106330161
15 ms 156.154.67.10
17 2026-08-21 05:34 639228870316184091
55 ms 156.154.67.10
16 2026-08-21 05:18 639228860695366512
8 ms 156.154.67.10
15 2026-08-21 05:02 639228851027209500
37 ms 156.154.67.10
14 2026-08-21 04:46 639228841479265462
41 ms 156.154.67.10
13 2026-08-21 04:30 639228831752962260
17 ms 156.154.67.10
12 2026-08-21 04:14 639228821953295483
16 ms 156.154.67.10
11 2026-08-21 03:58 639228812227429953
30 ms 156.154.67.10
10 2026-08-21 03:41 639228802476107538
9 ms 156.154.67.10
9 2026-08-21 03:25 639228792525492032
6 ms 156.154.67.10
8 2026-08-21 02:32 639228761131421385
40 ms 156.154.67.10
7 2026-08-21 02:16 639228751571206692
48 ms 156.154.67.10
6 2026-08-21 02:00 639228741705571019
4022 ms 156.154.67.10
5 2026-08-21 01:43 639228731642208228
5 ms 156.154.67.10
4 2026-08-21 00:51 639228700387002072
20 ms 156.154.67.10
3 2026-08-21 00:35 639228690742014433
5 ms 156.154.67.10
2 2026-08-21 00:19 639228680877937122
26 ms 156.154.67.10
1 2026-08-21 00:02 639228670775860800
18 ms 156.154.67.10