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 2026-08-12. For this date, NameServerHistory found 62 DNS check records, 61 successful responses, 1 failed responses, and 157 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

62

Historical checks stored for this nameserver on selected date

Average Latency

157 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-12 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

61

Checks that returned a measurable response

Failed Responses

1

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 u4.amazonaws.com

Showing DNS history for 2026-08-12 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
62 2026-08-12 23:50 639221753022017039
19 ms 156.154.67.10
61 2026-08-12 23:35 639221744107644868
11 ms 156.154.67.10
60 2026-08-12 23:20 639221735030187244
17 ms 156.154.67.10
59 2026-08-12 23:05 639221725815508109
6 ms 156.154.67.10
58 2026-08-12 22:12 639221694790955973
25 ms 156.154.67.10
57 2026-08-12 21:57 639221685562451720
34 ms 156.154.67.10
56 2026-08-12 21:41 639221676023655289
43 ms 156.154.67.10
55 2026-08-12 21:25 639221666449119409
4 ms 156.154.67.10
54 2026-08-12 20:34 639221635456432556
22 ms 156.154.67.10
53 2026-08-12 20:18 639221626313054202
31 ms 156.154.67.10
52 2026-08-12 20:03 639221617091958857
10 ms 156.154.67.10
51 2026-08-12 19:48 639221607786737151
-
50 2026-08-12 18:56 639221576664330059
45 ms 156.154.67.10
49 2026-08-12 18:40 639221567514216674
6 ms 156.154.67.10
48 2026-08-12 18:25 639221558399762524
32 ms 156.154.67.10
47 2026-08-12 18:10 639221549052016282
12 ms 156.154.67.10
46 2026-08-12 17:18 639221517673834934
14 ms 156.154.67.10
45 2026-08-12 17:02 639221508282311633
41 ms 156.154.67.10
44 2026-08-12 16:46 639221498786324983
13 ms 156.154.67.10
43 2026-08-12 16:30 639221489157589737
5 ms 156.154.67.10
42 2026-08-12 15:38 639221457655914645
8 ms 156.154.67.10
41 2026-08-12 15:22 639221448164090526
23 ms 156.154.67.10
40 2026-08-12 15:06 639221438725783630
9 ms 156.154.67.10
39 2026-08-12 14:50 639221429178071087
33 ms 156.154.67.10
38 2026-08-12 13:58 639221397761278719
13 ms 156.154.67.10
37 2026-08-12 13:42 639221388200567278
9 ms 156.154.67.10
36 2026-08-12 13:26 639221378483570949
34 ms 156.154.67.10
35 2026-08-12 13:10 639221368872360139
6 ms 156.154.67.10
34 2026-08-12 12:17 639221337226647415
37 ms 156.154.67.10
33 2026-08-12 12:02 639221327924087446
29 ms 156.154.67.10
32 2026-08-12 11:46 639221318096976375
10 ms 156.154.67.10
31 2026-08-12 11:29 639221308343145274
16 ms 156.154.67.10
30 2026-08-12 10:37 639221277089610470
20 ms 156.154.67.10
29 2026-08-12 10:22 639221267628136359
31 ms 156.154.67.10
28 2026-08-12 10:05 639221257907569952
37 ms 156.154.67.10
27 2026-08-12 09:49 639221248402420965
4 ms 156.154.67.10
26 2026-08-12 08:57 639221216797540533
40 ms 156.154.67.10
25 2026-08-12 08:41 639221207385792352
111 ms 156.154.67.10
24 2026-08-12 08:26 639221198078534844
7 ms 156.154.67.10
23 2026-08-12 08:10 639221188677585577
22 ms 156.154.67.10
22 2026-08-12 07:18 639221157276484143
5 ms 156.154.67.10
21 2026-08-12 07:02 639221147876262183
10 ms 156.154.67.10
20 2026-08-12 06:46 639221138388812469
77 ms 156.154.67.10
19 2026-08-12 06:31 639221128987381118
37 ms 156.154.67.10
18 2026-08-12 05:39 639221097816416095
8 ms 156.154.67.10
17 2026-08-12 05:23 639221088508065616
16 ms 156.154.67.10
16 2026-08-12 05:07 639221079092308503
67 ms 156.154.67.10
15 2026-08-12 04:52 639221069595873597
20 ms 156.154.67.10
14 2026-08-12 04:00 639221038601577496
2011 ms 156.154.67.10
13 2026-08-12 03:45 639221029533901299
79 ms 156.154.67.10
12 2026-08-12 03:29 639221020333828965
4 ms 156.154.67.10
11 2026-08-12 03:14 639221011110510484
13 ms 156.154.67.10
10 2026-08-12 02:21 639220979815209769
84 ms 156.154.67.10
9 2026-08-12 02:07 639220970971410921
50 ms 156.154.67.10
8 2026-08-12 01:52 639220961848982361
2015 ms 156.154.67.10
7 2026-08-12 01:36 639220952784591501
34 ms 156.154.67.10
6 2026-08-12 01:21 639220943893596731
4 ms 156.154.67.10
5 2026-08-12 01:07 639220934954704520
15 ms 156.154.67.10
4 2026-08-12 00:51 639220925792457751
62 ms 156.154.67.10
3 2026-08-12 00:36 639220916610063538
51 ms 156.154.67.10
2 2026-08-12 00:21 639220907229361754
2013 ms 156.154.67.10
1 2026-08-12 00:05 639220897896762127
2024 ms 156.154.67.10