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 2026-08-19. For this date, NameServerHistory found 74 DNS check records, 74 successful responses, 0 failed responses, and 80 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

74

Historical checks stored for this nameserver on selected date

Average Latency

80 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-19 23:44

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

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 2026-08-19 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
74 2026-08-19 23:44 639227795899225951
73 ms 156.154.67.10
73 2026-08-19 23:28 639227786351762008
25 ms 156.154.67.10
72 2026-08-19 23:12 639227776640591733
39 ms 156.154.67.10
71 2026-08-19 22:56 639227767128841282
33 ms 156.154.67.10
70 2026-08-19 22:40 639227757477304711
19 ms 156.154.67.10
69 2026-08-19 22:23 639227747572098014
21 ms 156.154.67.10
68 2026-08-19 22:07 639227737588613113
5 ms 156.154.67.10
67 2026-08-19 21:14 639227706134603955
49 ms 156.154.67.10
66 2026-08-19 20:58 639227696589027396
22 ms 156.154.67.10
65 2026-08-19 20:42 639227687097707639
11 ms 156.154.67.10
64 2026-08-19 20:26 639227677474464487
5 ms 156.154.67.10
63 2026-08-19 20:10 639227667767441118
10 ms 156.154.67.10
62 2026-08-19 19:54 639227657984833832
55 ms 156.154.67.10
61 2026-08-19 19:37 639227648079992640
49 ms 156.154.67.10
60 2026-08-19 19:21 639227638125048441
8 ms 156.154.67.10
59 2026-08-19 19:04 639227628211392142
13 ms 156.154.67.10
58 2026-08-19 18:48 639227618261696275
43 ms 156.154.67.10
57 2026-08-19 18:31 639227608366233645
25 ms 156.154.67.10
56 2026-08-19 18:14 639227598301787588
21 ms 156.154.67.10
55 2026-08-19 17:21 639227566241010716
49 ms 156.154.67.10
54 2026-08-19 17:05 639227556454538959
2009 ms 156.154.67.10
53 2026-08-19 16:48 639227546640305542
28 ms 156.154.67.10
52 2026-08-19 16:32 639227536965466472
26 ms 156.154.67.10
51 2026-08-19 16:16 639227527048658280
20 ms 156.154.67.10
50 2026-08-19 15:59 639227517386634438
33 ms 156.154.67.10
49 2026-08-19 15:43 639227507459551637
7 ms 156.154.67.10
48 2026-08-19 15:26 639227497515595277
40 ms 156.154.67.10
47 2026-08-19 15:10 639227487441798036
46 ms 156.154.67.10
46 2026-08-19 14:53 639227477445551863
7 ms 156.154.67.10
45 2026-08-19 14:36 639227467297067891
10 ms 156.154.67.10
44 2026-08-19 14:19 639227457057795635
44 ms 156.154.67.10
43 2026-08-19 13:26 639227425244777397
16 ms 156.154.67.10
42 2026-08-19 13:10 639227415422116485
5 ms 156.154.67.10
41 2026-08-19 12:53 639227405307256053
49 ms 156.154.67.10
40 2026-08-19 12:36 639227395396602630
47 ms 156.154.67.10
39 2026-08-19 12:20 639227385510363611
95 ms 156.154.67.10
38 2026-08-19 12:03 639227375508324850
31 ms 156.154.67.10
37 2026-08-19 11:46 639227365326611906
14 ms 156.154.67.10
36 2026-08-19 11:29 639227355360014208
15 ms 156.154.67.10
35 2026-08-19 11:12 639227345036782165
20 ms 156.154.67.10
34 2026-08-19 10:55 639227334992964533
47 ms 156.154.67.10
33 2026-08-19 10:39 639227324986605572
2119 ms 156.154.67.10
32 2026-08-19 10:22 639227314928414539
3 ms 156.154.67.10
31 2026-08-19 09:29 639227283029182134
56 ms 156.154.67.10
30 2026-08-19 09:13 639227273294779350
30 ms 156.154.67.10
29 2026-08-19 08:56 639227263525231313
9 ms 156.154.67.10
28 2026-08-19 08:40 639227253578313363
31 ms 156.154.67.10
27 2026-08-19 08:23 639227243649973322
7 ms 156.154.67.10
26 2026-08-19 08:06 639227233581059317
43 ms 156.154.67.10
25 2026-08-19 07:50 639227223667352067
39 ms 156.154.67.10
24 2026-08-19 07:33 639227213714837066
5 ms 156.154.67.10
23 2026-08-19 07:17 639227203701208496
12 ms 156.154.67.10
22 2026-08-19 07:00 639227193643202179
5 ms 156.154.67.10
21 2026-08-19 06:43 639227183584431597
6 ms 156.154.67.10
20 2026-08-19 06:26 639227173347403088
47 ms 156.154.67.10
19 2026-08-19 05:33 639227141523007601
6 ms 156.154.67.10
18 2026-08-19 05:17 639227131785931574
27 ms 156.154.67.10
17 2026-08-19 05:01 639227122176475389
22 ms 156.154.67.10
16 2026-08-19 04:45 639227112668934596
20 ms 156.154.67.10
15 2026-08-19 04:28 639227102773292788
6 ms 156.154.67.10
14 2026-08-19 04:12 639227093141136930
28 ms 156.154.67.10
13 2026-08-19 03:56 639227083449420147
3 ms 156.154.67.10
12 2026-08-19 03:40 639227073771748493
7 ms 156.154.67.10
11 2026-08-19 03:24 639227063977347614
5 ms 156.154.67.10
10 2026-08-19 03:08 639227054253519024
13 ms 156.154.67.10
9 2026-08-19 02:51 639227044381963886
30 ms 156.154.67.10
8 2026-08-19 02:35 639227034441085514
9 ms 156.154.67.10
7 2026-08-19 01:42 639227003126489968
8 ms 156.154.67.10
6 2026-08-19 01:26 639226993456311614
10 ms 156.154.67.10
5 2026-08-19 01:10 639226983847312345
30 ms 156.154.67.10
4 2026-08-19 00:54 639226974357874853
5 ms 156.154.67.10
3 2026-08-19 00:38 639226964670484721
32 ms 156.154.67.10
2 2026-08-19 00:22 639226954857899696
37 ms 156.154.67.10
1 2026-08-19 00:06 639226945091603488
8 ms 156.154.67.10