DNS response history for u1.amazonaws.com

u1.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 75 DNS check records, 74 successful responses, 1 failed responses, and 189 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 u1.amazonaws.com.
Records on Selected Date

75

Historical checks stored for this nameserver on selected date

Average Latency

189 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-19 23:55

All timestamps shown in UTC

Latest Resolved IP on Selected Date

156.154.64.10

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 u1.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
75 2026-08-19 23:55 639227805445376839
2020 ms 156.154.64.10
74 2026-08-19 23:40 639227795899225951
44 ms 156.154.64.10
73 2026-08-19 23:24 639227786351762008
20 ms 156.154.64.10
72 2026-08-19 23:07 639227776640591733
2008 ms 156.154.64.10
71 2026-08-19 22:52 639227767128841282
9 ms 156.154.64.10
70 2026-08-19 22:35 639227757477304711
18 ms 156.154.64.10
69 2026-08-19 22:19 639227747572098014
4 ms 156.154.64.10
68 2026-08-19 22:02 639227737588613113
43 ms 156.154.64.10
67 2026-08-19 21:10 639227706134603955
4 ms 156.154.64.10
66 2026-08-19 20:54 639227696589027396
5 ms 156.154.64.10
65 2026-08-19 20:38 639227687097707639
8 ms 156.154.64.10
64 2026-08-19 20:22 639227677474464487
4012 ms 156.154.64.10
63 2026-08-19 20:06 639227667767441118
20 ms 156.154.64.10
62 2026-08-19 19:50 639227657984833832
14 ms 156.154.64.10
61 2026-08-19 19:33 639227648079992640
25 ms 156.154.64.10
60 2026-08-19 19:17 639227638125048441
14 ms 156.154.64.10
59 2026-08-19 19:00 639227628211392142
5 ms 156.154.64.10
58 2026-08-19 18:43 639227618261696275
6 ms 156.154.64.10
57 2026-08-19 18:27 639227608366233645
20 ms 156.154.64.10
56 2026-08-19 18:10 639227598301787588
49 ms 156.154.64.10
55 2026-08-19 17:17 639227566241010716
35 ms 156.154.64.10
54 2026-08-19 17:00 639227556454538959
6 ms 156.154.64.10
53 2026-08-19 16:44 639227546640305542
2028 ms 156.154.64.10
52 2026-08-19 16:28 639227536965466472
4 ms 156.154.64.10
51 2026-08-19 16:11 639227527048658280
8 ms 156.154.64.10
50 2026-08-19 15:55 639227517386634438
18 ms 156.154.64.10
49 2026-08-19 15:39 639227507459551637
17 ms 156.154.64.10
48 2026-08-19 15:22 639227497515595277
4 ms 156.154.64.10
47 2026-08-19 15:05 639227487441798036
5 ms 156.154.64.10
46 2026-08-19 14:49 639227477445551863
22 ms 156.154.64.10
45 2026-08-19 14:32 639227467297067891
99 ms 156.154.64.10
44 2026-08-19 14:15 639227457057795635
19 ms 156.154.64.10
43 2026-08-19 13:22 639227425244777397
25 ms 156.154.64.10
42 2026-08-19 13:05 639227415422116485
40 ms 156.154.64.10
41 2026-08-19 12:48 639227405307256053
6 ms 156.154.64.10
40 2026-08-19 12:32 639227395396602630
35 ms 156.154.64.10
39 2026-08-19 12:15 639227385510363611
6 ms 156.154.64.10
38 2026-08-19 11:59 639227375508324850
63 ms 156.154.64.10
37 2026-08-19 11:42 639227365326611906
46 ms 156.154.64.10
36 2026-08-19 11:25 639227355360014208
16 ms 156.154.64.10
35 2026-08-19 11:08 639227345036782165
4 ms 156.154.64.10
34 2026-08-19 10:51 639227334992964533
13 ms 156.154.64.10
33 2026-08-19 10:35 639227324986605572
44 ms 156.154.64.10
32 2026-08-19 10:18 639227314928414539
92 ms 156.154.64.10
31 2026-08-19 09:25 639227283029182134
78 ms 156.154.64.10
30 2026-08-19 09:08 639227273294779350
26 ms 156.154.64.10
29 2026-08-19 08:52 639227263525231313
4 ms 156.154.64.10
28 2026-08-19 08:36 639227253578313363
6 ms 156.154.64.10
27 2026-08-19 08:19 639227243649973322
37 ms 156.154.64.10
26 2026-08-19 08:02 639227233581059317
63 ms 156.154.64.10
25 2026-08-19 07:46 639227223667352067
8 ms 156.154.64.10
24 2026-08-19 07:29 639227213714837066
27 ms 156.154.64.10
23 2026-08-19 07:12 639227203701208496
8 ms 156.154.64.10
22 2026-08-19 06:56 639227193643202179
5 ms 156.154.64.10
21 2026-08-19 06:39 639227183584431597
2039 ms 156.154.64.10
20 2026-08-19 06:22 639227173347403088
187 ms 156.154.64.10
19 2026-08-19 05:29 639227141523007601
16 ms 156.154.64.10
18 2026-08-19 05:13 639227131785931574
6 ms 156.154.64.10
17 2026-08-19 04:57 639227122176475389
14 ms 156.154.64.10
16 2026-08-19 04:41 639227112668934596
9 ms 156.154.64.10
15 2026-08-19 04:24 639227102773292788
12 ms 156.154.64.10
14 2026-08-19 04:08 639227093141136930
12 ms 156.154.64.10
13 2026-08-19 03:52 639227083449420147
109 ms 156.154.64.10
12 2026-08-19 03:36 639227073771748493
-
11 2026-08-19 03:20 639227063977347614
5 ms 156.154.64.10
10 2026-08-19 03:03 639227054253519024
13 ms 156.154.64.10
9 2026-08-19 02:47 639227044381963886
41 ms 156.154.64.10
8 2026-08-19 02:30 639227034441085514
113 ms 156.154.64.10
7 2026-08-19 01:38 639227003126489968
23 ms 156.154.64.10
6 2026-08-19 01:22 639226993456311614
13 ms 156.154.64.10
5 2026-08-19 01:06 639226983847312345
11 ms 156.154.64.10
4 2026-08-19 00:50 639226974357874853
25 ms 156.154.64.10
3 2026-08-19 00:34 639226964670484721
7 ms 156.154.64.10
2 2026-08-19 00:18 639226954857899696
5 ms 156.154.64.10
1 2026-08-19 00:01 639226945091603488
28 ms 156.154.64.10