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 2026-08-26. For this date, NameServerHistory found 70 DNS check records, 70 successful responses, 0 failed responses, and 368 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

70

Historical checks stored for this nameserver on selected date

Average Latency

368 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 23:44

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

70

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 u1.amazonaws.com

Showing DNS history for 2026-08-26 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
70 2026-08-26 23:44 639233846871926285
13 ms 156.154.64.10
69 2026-08-26 22:51 639233814527872887
2015 ms 156.154.64.10
68 2026-08-26 22:34 639233804315489381
4 ms 156.154.64.10
67 2026-08-26 22:16 639233793971346256
39 ms 156.154.64.10
66 2026-08-26 21:59 639233783644630463
28 ms 156.154.64.10
65 2026-08-26 21:42 639233773302621314
2019 ms 156.154.64.10
64 2026-08-26 21:25 639233762896723748
2019 ms 156.154.64.10
63 2026-08-26 21:07 639233752543876329
4 ms 156.154.64.10
62 2026-08-26 20:50 639233742155931788
31 ms 156.154.64.10
61 2026-08-26 20:32 639233731712555311
20 ms 156.154.64.10
60 2026-08-26 20:15 639233721164051126
29 ms 156.154.64.10
59 2026-08-26 19:57 639233710560486320
32 ms 156.154.64.10
58 2026-08-26 19:39 639233699834667450
134 ms 156.154.64.10
57 2026-08-26 18:45 639233667209186136
45 ms 156.154.64.10
56 2026-08-26 18:28 639233656814316266
2037 ms 156.154.64.10
55 2026-08-26 18:10 639233646245051806
17 ms 156.154.64.10
54 2026-08-26 17:52 639233635663779051
9 ms 156.154.64.10
53 2026-08-26 17:35 639233624977342122
75 ms 156.154.64.10
52 2026-08-26 17:17 639233614446136153
21 ms 156.154.64.10
51 2026-08-26 16:59 639233603737877581
33 ms 156.154.64.10
50 2026-08-26 16:42 639233593269224651
55 ms 156.154.64.10
49 2026-08-26 16:24 639233582635086903
66 ms 156.154.64.10
48 2026-08-26 16:06 639233572000374575
25 ms 156.154.64.10
47 2026-08-26 15:48 639233561188633861
38 ms 156.154.64.10
46 2026-08-26 15:31 639233550544357027
15 ms 156.154.64.10
45 2026-08-26 14:36 639233517966053117
13 ms 156.154.64.10
44 2026-08-26 14:19 639233507603253585
8 ms 156.154.64.10
43 2026-08-26 14:02 639233497229039167
10 ms 156.154.64.10
42 2026-08-26 13:44 639233486864546406
15 ms 156.154.64.10
41 2026-08-26 13:27 639233476455174682
19 ms 156.154.64.10
40 2026-08-26 13:10 639233466171592605
51 ms 156.154.64.10
39 2026-08-26 12:53 639233455747096265
2020 ms 156.154.64.10
38 2026-08-26 12:35 639233445367152284
13 ms 156.154.64.10
37 2026-08-26 12:18 639233434974187439
2047 ms 156.154.64.10
36 2026-08-26 12:01 639233424567558554
4015 ms 156.154.64.10
35 2026-08-26 11:43 639233414056832719
5 ms 156.154.64.10
34 2026-08-26 11:26 639233403515141099
43 ms 156.154.64.10
33 2026-08-26 10:31 639233370841350248
21 ms 156.154.64.10
32 2026-08-26 10:14 639233360361507238
2032 ms 156.154.64.10
31 2026-08-26 09:56 639233350067824371
21 ms 156.154.64.10
30 2026-08-26 09:39 639233339545274518
23 ms 156.154.64.10
29 2026-08-26 09:22 639233329214918079
7 ms 156.154.64.10
28 2026-08-26 09:04 639233318749762337
5 ms 156.154.64.10
27 2026-08-26 08:47 639233308387917838
6 ms 156.154.64.10
26 2026-08-26 08:30 639233297961740122
4 ms 156.154.64.10
25 2026-08-26 08:12 639233287487159094
4 ms 156.154.64.10
24 2026-08-26 07:55 639233276995531707
22 ms 156.154.64.10
23 2026-08-26 07:37 639233266521568229
2041 ms 156.154.64.10
22 2026-08-26 07:20 639233256081047431
42 ms 156.154.64.10
21 2026-08-26 06:26 639233223620132921
9 ms 156.154.64.10
20 2026-08-26 06:08 639233213287814244
67 ms 156.154.64.10
19 2026-08-26 05:51 639233202925983161
35 ms 156.154.64.10
18 2026-08-26 05:34 639233192644780696
3 ms 156.154.64.10
17 2026-08-26 05:17 639233182401183833
27 ms 156.154.64.10
16 2026-08-26 05:00 639233172074181051
4 ms 156.154.64.10
15 2026-08-26 04:43 639233161808421455
25 ms 156.154.64.10
14 2026-08-26 04:25 639233151357344052
33 ms 156.154.64.10
13 2026-08-26 04:08 639233141034116946
24 ms 156.154.64.10
12 2026-08-26 03:51 639233130828334142
16 ms 156.154.64.10
11 2026-08-26 03:34 639233120373450007
10 ms 156.154.64.10
10 2026-08-26 03:16 639233110066216193
17 ms 156.154.64.10
9 2026-08-26 02:23 639233078065410564
2025 ms 156.154.64.10
8 2026-08-26 02:06 639233067787457832
3 ms 156.154.64.10
7 2026-08-26 01:49 639233057501801162
56 ms 156.154.64.10
6 2026-08-26 01:31 639233047089431703
15 ms 156.154.64.10
5 2026-08-26 01:14 639233036754790688
7 ms 156.154.64.10
4 2026-08-26 00:57 639233026412602472
37 ms 156.154.64.10
3 2026-08-26 00:40 639233016064066127
20 ms 156.154.64.10
2 2026-08-26 00:23 639233005922655772
16 ms 156.154.64.10
1 2026-08-26 00:06 639232995672256907
2025 ms 156.154.64.10