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 2026-08-18. For this date, NameServerHistory found 75 DNS check records, 72 successful responses, 3 failed responses, and 223 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

223 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-18 23:49

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

72

Checks that returned a measurable response

Failed Responses

3

Checks with no response or no returned latency

Failure Rate

4%

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 2026-08-18 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 2026-08-18 23:49 639226935204800669
13 ms 156.154.67.10
74 2026-08-18 23:33 639226925298919497
26 ms 156.154.67.10
73 2026-08-18 23:16 639226915487885053
24 ms 156.154.67.10
72 2026-08-18 23:00 639226905465760034
40 ms 156.154.67.10
71 2026-08-18 22:43 639226895378104692
52 ms 156.154.67.10
70 2026-08-18 21:49 639226863374232622
2036 ms 156.154.67.10
69 2026-08-18 21:33 639226853698516058
50 ms 156.154.67.10
68 2026-08-18 21:17 639226843797360601
5 ms 156.154.67.10
67 2026-08-18 21:01 639226834046588155
5 ms 156.154.67.10
66 2026-08-18 20:44 639226824234488533
24 ms 156.154.67.10
65 2026-08-18 20:28 639226814549928621
13 ms 156.154.67.10
64 2026-08-18 20:12 639226804721432353
6 ms 156.154.67.10
63 2026-08-18 19:56 639226795048828184
21 ms 156.154.67.10
62 2026-08-18 19:39 639226785202482420
8 ms 156.154.67.10
61 2026-08-18 19:23 639226775309362607
49 ms 156.154.67.10
60 2026-08-18 19:06 639226765406586155
13 ms 156.154.67.10
59 2026-08-18 18:50 639226755437790519
15 ms 156.154.67.10
58 2026-08-18 17:57 639226723856194457
7 ms 156.154.67.10
57 2026-08-18 17:40 639226714050583422
24 ms 156.154.67.10
56 2026-08-18 17:24 639226704236499724
2023 ms 156.154.67.10
55 2026-08-18 17:08 639226694184520163
29 ms 156.154.67.10
54 2026-08-18 16:51 639226684161203477
35 ms 156.154.67.10
53 2026-08-18 16:34 639226674305430109
29 ms 156.154.67.10
52 2026-08-18 16:18 639226664489607984
8 ms 156.154.67.10
51 2026-08-18 16:01 639226654533111667
115 ms 156.154.67.10
50 2026-08-18 15:45 639226644778594725
16 ms 156.154.67.10
49 2026-08-18 15:29 639226634901553621
2025 ms 156.154.67.10
48 2026-08-18 15:12 639226624921864967
6 ms 156.154.67.10
47 2026-08-18 14:55 639226614939419403
38 ms 156.154.67.10
46 2026-08-18 14:02 639226583021074771
6 ms 156.154.67.10
45 2026-08-18 13:46 639226573279933585
15 ms 156.154.67.10
44 2026-08-18 13:30 639226563494036301
34 ms 156.154.67.10
43 2026-08-18 13:13 639226553708216256
17 ms 156.154.67.10
42 2026-08-18 12:57 639226544003734815
7 ms 156.154.67.10
41 2026-08-18 12:41 639226534105733155
8 ms 156.154.67.10
40 2026-08-18 12:24 639226524298118898
180 ms 156.154.67.10
39 2026-08-18 12:08 639226514525195335
20 ms 156.154.67.10
38 2026-08-18 11:52 639226504703635320
37 ms 156.154.67.10
37 2026-08-18 11:35 639226494737271720
8 ms 156.154.67.10
36 2026-08-18 11:19 639226485005027236
14 ms 156.154.67.10
35 2026-08-18 11:02 639226475133236105
11 ms 156.154.67.10
34 2026-08-18 10:09 639226442975077052
14 ms 156.154.67.10
33 2026-08-18 09:53 639226433317932039
9 ms 156.154.67.10
32 2026-08-18 09:37 639226423688431096
9 ms 156.154.67.10
31 2026-08-18 09:20 639226413998250045
2012 ms 156.154.67.10
30 2026-08-18 09:04 639226404284554875
4 ms 156.154.67.10
29 2026-08-18 08:48 639226394637043309
41 ms 156.154.67.10
28 2026-08-18 08:32 639226385052447582
40 ms 156.154.67.10
27 2026-08-18 08:16 639226375506189603
2073 ms 156.154.67.10
26 2026-08-18 08:00 639226365690646426
59 ms 156.154.67.10
25 2026-08-18 07:44 639226355771007701
-
24 2026-08-18 07:27 639226345946269369
59 ms 156.154.67.10
23 2026-08-18 07:11 639226336241601848
-
22 2026-08-18 06:19 639226304950675290
44 ms 156.154.67.10
21 2026-08-18 06:03 639226295324754616
35 ms 156.154.67.10
20 2026-08-18 05:47 639226285824640601
-
19 2026-08-18 05:31 639226276321223917
7 ms 156.154.67.10
18 2026-08-18 05:15 639226266800200046
35 ms 156.154.67.10
17 2026-08-18 04:59 639226256958066164
61 ms 156.154.67.10
16 2026-08-18 04:43 639226247432364597
48 ms 156.154.67.10
15 2026-08-18 04:27 639226237703388552
4 ms 156.154.67.10
14 2026-08-18 04:10 639226227937569589
28 ms 156.154.67.10
13 2026-08-18 03:54 639226218052465471
4 ms 156.154.67.10
12 2026-08-18 03:38 639226208429623997
6 ms 156.154.67.10
11 2026-08-18 03:22 639226198800675295
36 ms 156.154.67.10
10 2026-08-18 02:30 639226167722042574
2020 ms 156.154.67.10
9 2026-08-18 02:14 639226158277924383
2024 ms 156.154.67.10
8 2026-08-18 01:58 639226148757810592
12 ms 156.154.67.10
7 2026-08-18 01:43 639226139348611045
21 ms 156.154.67.10
6 2026-08-18 01:27 639226129823462907
89 ms 156.154.67.10
5 2026-08-18 01:11 639226120218260005
7 ms 156.154.67.10
4 2026-08-18 00:55 639226110875503904
12 ms 156.154.67.10
3 2026-08-18 00:39 639226101376311912
17 ms 156.154.67.10
2 2026-08-18 00:24 639226091924943492
35 ms 156.154.67.10
1 2026-08-18 00:07 639226082133158124
47 ms 156.154.67.10