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 2026-08-23. For this date, NameServerHistory found 75 DNS check records, 74 successful responses, 1 failed responses, and 106 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

75

Historical checks stored for this nameserver on selected date

Average Latency

106 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-23 23:48

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

74

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 u4.amazonaws.com

Showing DNS history for 2026-08-23 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
75 2026-08-23 23:48 639231254406598736
44 ms 156.154.67.10
74 2026-08-23 23:32 639231244697865594
43 ms 156.154.67.10
73 2026-08-23 23:15 639231234893504693
11 ms 156.154.67.10
72 2026-08-23 22:59 639231225024549139
7 ms 156.154.67.10
71 2026-08-23 22:42 639231214931957622
35 ms 156.154.67.10
70 2026-08-23 22:26 639231204962010549
7 ms 156.154.67.10
69 2026-08-23 22:09 639231195170138463
33 ms 156.154.67.10
68 2026-08-23 21:53 639231185235020577
23 ms 156.154.67.10
67 2026-08-23 21:36 639231175558690075
17 ms 156.154.67.10
66 2026-08-23 21:20 639231165610444012
49 ms 156.154.67.10
65 2026-08-23 20:27 639231133806425363
37 ms 156.154.67.10
64 2026-08-23 20:11 639231124203758023
5 ms 156.154.67.10
63 2026-08-23 19:55 639231114428262706
6 ms 156.154.67.10
62 2026-08-23 19:38 639231104662480065
31 ms 156.154.67.10
61 2026-08-23 19:22 639231094840372018
45 ms 156.154.67.10
60 2026-08-23 19:06 639231085024583224
58 ms 156.154.67.10
59 2026-08-23 18:49 639231075257417427
24 ms 156.154.67.10
58 2026-08-23 18:33 639231065516009503
2011 ms 156.154.67.10
57 2026-08-23 18:17 639231055805348837
7 ms 156.154.67.10
56 2026-08-23 18:00 639231045980373765
20 ms 156.154.67.10
55 2026-08-23 17:44 639231035984577527
57 ms 156.154.67.10
54 2026-08-23 17:27 639231025928115303
5 ms 156.154.67.10
53 2026-08-23 16:34 639230994250157583
31 ms 156.154.67.10
52 2026-08-23 16:18 639230984476411369
4 ms 156.154.67.10
51 2026-08-23 16:02 639230974838373450
14 ms 156.154.67.10
50 2026-08-23 15:46 639230965244277645
14 ms 156.154.67.10
49 2026-08-23 15:30 639230955522101820
7 ms 156.154.67.10
48 2026-08-23 15:13 639230945754521603
84 ms 156.154.67.10
47 2026-08-23 14:57 639230935852040504
16 ms 156.154.67.10
46 2026-08-23 14:41 639230926222061048
47 ms 156.154.67.10
45 2026-08-23 14:24 639230916449726907
47 ms 156.154.67.10
44 2026-08-23 14:08 639230906595053086
10 ms 156.154.67.10
43 2026-08-23 13:52 639230896680429441
24 ms 156.154.67.10
42 2026-08-23 13:35 639230886630210965
9 ms 156.154.67.10
41 2026-08-23 12:43 639230855430405719
8 ms 156.154.67.10
40 2026-08-23 12:27 639230845707499136
13 ms 156.154.67.10
39 2026-08-23 12:11 639230836186805419
18 ms 156.154.67.10
38 2026-08-23 11:55 639230826493828316
21 ms 156.154.67.10
37 2026-08-23 11:38 639230816817882996
11 ms 156.154.67.10
36 2026-08-23 11:22 639230806933854189
9 ms 156.154.67.10
35 2026-08-23 11:06 639230797120243854
21 ms 156.154.67.10
34 2026-08-23 10:49 639230787310272840
63 ms 156.154.67.10
33 2026-08-23 10:33 639230777600173142
6 ms 156.154.67.10
32 2026-08-23 10:17 639230767665024593
32 ms 156.154.67.10
31 2026-08-23 10:00 639230757720962293
-
30 2026-08-23 09:43 639230747722189784
8 ms 156.154.67.10
29 2026-08-23 08:51 639230716313923480
23 ms 156.154.67.10
28 2026-08-23 08:35 639230706813835990
9 ms 156.154.67.10
27 2026-08-23 08:19 639230696871062203
38 ms 156.154.67.10
26 2026-08-23 08:03 639230687142781616
74 ms 156.154.67.10
25 2026-08-23 07:46 639230677432142227
2037 ms 156.154.67.10
24 2026-08-23 07:30 639230667686258061
73 ms 156.154.67.10
23 2026-08-23 07:14 639230658039243685
57 ms 156.154.67.10
22 2026-08-23 06:58 639230648468473803
16 ms 156.154.67.10
21 2026-08-23 06:42 639230638829658294
5 ms 156.154.67.10
20 2026-08-23 06:26 639230629247017617
30 ms 156.154.67.10
19 2026-08-23 06:10 639230619625318239
13 ms 156.154.67.10
18 2026-08-23 05:53 639230609697630264
49 ms 156.154.67.10
17 2026-08-23 05:01 639230578570131864
5 ms 156.154.67.10
16 2026-08-23 04:45 639230568958963168
8 ms 156.154.67.10
15 2026-08-23 04:29 639230559287611211
16 ms 156.154.67.10
14 2026-08-23 04:13 639230549524312030
6 ms 156.154.67.10
13 2026-08-23 03:57 639230539739801669
36 ms 156.154.67.10
12 2026-08-23 03:41 639230530084069375
16 ms 156.154.67.10
11 2026-08-23 03:24 639230520362691441
4 ms 156.154.67.10
10 2026-08-23 03:08 639230510677194518
10 ms 156.154.67.10
9 2026-08-23 02:52 639230501156002646
24 ms 156.154.67.10
8 2026-08-23 02:36 639230491502198541
30 ms 156.154.67.10
7 2026-08-23 02:20 639230481860318494
33 ms 156.154.67.10
6 2026-08-23 02:04 639230471893008575
4 ms 156.154.67.10
5 2026-08-23 01:10 639230440030877421
11 ms 156.154.67.10
4 2026-08-23 00:55 639230430479725508
2097 ms 156.154.67.10
3 2026-08-23 00:39 639230420875160219
10 ms 156.154.67.10
2 2026-08-23 00:22 639230411240692575
5 ms 156.154.67.10
1 2026-08-23 00:06 639230401550806607
10 ms 156.154.67.10