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 2026-08-17. For this date, NameServerHistory found 72 DNS check records, 71 successful responses, 1 failed responses, and 253 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

72

Historical checks stored for this nameserver on selected date

Average Latency

253 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-17 23:47

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

71

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 2026-08-17 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
72 2026-08-17 23:47 639226072268080268
10 ms 156.154.64.10
71 2026-08-17 23:31 639226062577647657
21 ms 156.154.64.10
70 2026-08-17 22:38 639226031060857136
8 ms 156.154.64.10
69 2026-08-17 22:22 639226021535117364
63 ms 156.154.64.10
68 2026-08-17 22:06 639226011884237078
9 ms 156.154.64.10
67 2026-08-17 21:50 639226002309299142
5 ms 156.154.64.10
66 2026-08-17 21:34 639225992791784448
17 ms 156.154.64.10
65 2026-08-17 21:18 639225983045271390
2009 ms 156.154.64.10
64 2026-08-17 21:02 639225973246293513
64 ms 156.154.64.10
63 2026-08-17 20:46 639225963620186236
2035 ms 156.154.64.10
62 2026-08-17 20:29 639225953899183916
9 ms 156.154.64.10
61 2026-08-17 20:14 639225944391528206
46 ms 156.154.64.10
60 2026-08-17 19:57 639225934593254169
55 ms 156.154.64.10
59 2026-08-17 19:41 639225924669984512
75 ms 156.154.64.10
58 2026-08-17 18:48 639225893048561320
12 ms 156.154.64.10
57 2026-08-17 18:32 639225883481298424
10 ms 156.154.64.10
56 2026-08-17 18:16 639225873845394034
13 ms 156.154.64.10
55 2026-08-17 18:00 639225864216078662
4 ms 156.154.64.10
54 2026-08-17 17:44 639225854541857773
4034 ms 156.154.64.10
53 2026-08-17 17:28 639225844733604072
40 ms 156.154.64.10
52 2026-08-17 17:11 639225835085229232
25 ms 156.154.64.10
51 2026-08-17 16:55 639225825349373981
35 ms 156.154.64.10
50 2026-08-17 16:39 639225815690604161
67 ms 156.154.64.10
49 2026-08-17 16:23 639225805952472306
23 ms 156.154.64.10
48 2026-08-17 16:07 639225796264729638
22 ms 156.154.64.10
47 2026-08-17 15:50 639225786326499329
13 ms 156.154.64.10
46 2026-08-17 14:58 639225754798130711
21 ms 156.154.64.10
45 2026-08-17 14:42 639225745123193922
9 ms 156.154.64.10
44 2026-08-17 14:26 639225735540597271
51 ms 156.154.64.10
43 2026-08-17 14:09 639225725894857396
52 ms 156.154.64.10
42 2026-08-17 13:53 639225716249606913
2020 ms 156.154.64.10
41 2026-08-17 13:37 639225706638238179
2052 ms 156.154.64.10
40 2026-08-17 13:21 639225696949691423
45 ms 156.154.64.10
39 2026-08-17 13:05 639225687286186336
46 ms 156.154.64.10
38 2026-08-17 12:49 639225677679573133
6 ms 156.154.64.10
37 2026-08-17 12:33 639225667957861024
12 ms 156.154.64.10
36 2026-08-17 12:17 639225658298791618
59 ms 156.154.64.10
35 2026-08-17 12:01 639225648583652785
125 ms 156.154.64.10
34 2026-08-17 11:08 639225617000524308
9 ms 156.154.64.10
33 2026-08-17 10:52 639225607668541600
69 ms 156.154.64.10
32 2026-08-17 10:36 639225598117279238
11 ms 156.154.64.10
31 2026-08-17 10:21 639225588751002710
29 ms 156.154.64.10
30 2026-08-17 10:05 639225579295831051
12 ms 156.154.64.10
29 2026-08-17 09:49 639225569761469940
11 ms 156.154.64.10
28 2026-08-17 09:33 639225560161422333
36 ms 156.154.64.10
27 2026-08-17 09:18 639225550739955565
28 ms 156.154.64.10
26 2026-08-17 09:02 639225541125222426
2024 ms 156.154.64.10
25 2026-08-17 08:46 639225531526675983
2021 ms 156.154.64.10
24 2026-08-17 08:29 639225521915528222
21 ms 156.154.64.10
23 2026-08-17 08:13 639225512148151789
44 ms 156.154.64.10
22 2026-08-17 07:21 639225480786142412
-
21 2026-08-17 07:05 639225471394348551
12 ms 156.154.64.10
20 2026-08-17 06:50 639225462031685068
39 ms 156.154.64.10
19 2026-08-17 06:34 639225452639458328
26 ms 156.154.64.10
18 2026-08-17 06:18 639225443300966543
43 ms 156.154.64.10
17 2026-08-17 06:03 639225433880499379
13 ms 156.154.64.10
16 2026-08-17 05:47 639225424395198277
8 ms 156.154.64.10
15 2026-08-17 05:31 639225414744137487
12 ms 156.154.64.10
14 2026-08-17 05:15 639225405186783164
7 ms 156.154.64.10
13 2026-08-17 04:59 639225395563669822
36 ms 156.154.64.10
12 2026-08-17 04:43 639225386076645158
7 ms 156.154.64.10
11 2026-08-17 04:27 639225376620669704
78 ms 156.154.64.10
10 2026-08-17 03:36 639225345580892706
42 ms 156.154.64.10
9 2026-08-17 03:20 639225336207383710
4 ms 156.154.64.10
8 2026-08-17 03:04 639225326726565001
19 ms 156.154.64.10
7 2026-08-17 02:48 639225317249271010
12 ms 156.154.64.10
6 2026-08-17 01:57 639225286280886044
4 ms 156.154.64.10
5 2026-08-17 01:41 639225276872567548
7 ms 156.154.64.10
4 2026-08-17 01:25 639225267353865348
8 ms 156.154.64.10
3 2026-08-17 01:10 639225258033914248
7 ms 156.154.64.10
2 2026-08-17 00:17 639225226652221583
4 ms 156.154.64.10
1 2026-08-17 00:02 639225217156387684
17 ms 156.154.64.10