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 2026-08-20. For this date, NameServerHistory found 57 DNS check records, 57 successful responses, 0 failed responses, and 168 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

57

Historical checks stored for this nameserver on selected date

Average Latency

168 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-20 23:58

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

57

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 2026-08-20 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
57 2026-08-20 23:58 639228670775860800
22 ms 156.154.64.10
56 2026-08-20 23:06 639228639850033448
25 ms 156.154.64.10
55 2026-08-20 22:50 639228630204271870
5 ms 156.154.64.10
54 2026-08-20 22:33 639228620295091135
62 ms 156.154.64.10
53 2026-08-20 22:17 639228610298336915
9 ms 156.154.64.10
52 2026-08-20 21:24 639228578917047616
5 ms 156.154.64.10
51 2026-08-20 21:08 639228569046445709
9 ms 156.154.64.10
50 2026-08-20 20:51 639228558946830986
27 ms 156.154.64.10
49 2026-08-20 20:35 639228548977359217
8 ms 156.154.64.10
48 2026-08-20 19:42 639228517494157668
9 ms 156.154.64.10
47 2026-08-20 19:25 639228507374116892
72 ms 156.154.64.10
46 2026-08-20 19:09 639228497315154893
20 ms 156.154.64.10
45 2026-08-20 18:52 639228487287648341
8 ms 156.154.64.10
44 2026-08-20 17:59 639228455828123788
72 ms 156.154.64.10
43 2026-08-20 17:43 639228445900082244
2017 ms 156.154.64.10
42 2026-08-20 17:26 639228435866352323
5 ms 156.154.64.10
41 2026-08-20 17:09 639228425802273151
43 ms 156.154.64.10
40 2026-08-20 16:16 639228393616324230
44 ms 156.154.64.10
39 2026-08-20 15:59 639228383590408693
33 ms 156.154.64.10
38 2026-08-20 15:42 639228373471467474
12 ms 156.154.64.10
37 2026-08-20 15:25 639228363426647311
7 ms 156.154.64.10
36 2026-08-20 14:32 639228331681701910
8 ms 156.154.64.10
35 2026-08-20 14:16 639228321714746824
63 ms 156.154.64.10
34 2026-08-20 13:59 639228311652090262
4039 ms 156.154.64.10
33 2026-08-20 13:42 639228301670088587
9 ms 156.154.64.10
32 2026-08-20 12:50 639228269987976710
21 ms 156.154.64.10
31 2026-08-20 12:33 639228260009452308
31 ms 156.154.64.10
30 2026-08-20 12:16 639228249661740894
7 ms 156.154.64.10
29 2026-08-20 11:59 639228239552680346
19 ms 156.154.64.10
28 2026-08-20 11:06 639228207667580819
43 ms 156.154.64.10
27 2026-08-20 10:49 639228197494011560
35 ms 156.154.64.10
26 2026-08-20 10:32 639228187497039939
2038 ms 156.154.64.10
25 2026-08-20 10:15 639228177408432646
36 ms 156.154.64.10
24 2026-08-20 09:24 639228146356166262
50 ms 156.154.64.10
23 2026-08-20 09:07 639228136541505712
23 ms 156.154.64.10
22 2026-08-20 08:51 639228126519136598
106 ms 156.154.64.10
21 2026-08-20 08:34 639228116537148885
3 ms 156.154.64.10
20 2026-08-20 07:42 639228085320764351
28 ms 156.154.64.10
19 2026-08-20 07:25 639228075444604839
49 ms 156.154.64.10
18 2026-08-20 07:09 639228065615498985
5 ms 156.154.64.10
17 2026-08-20 06:52 639228055675321422
16 ms 156.154.64.10
16 2026-08-20 06:00 639228024230839396
5 ms 156.154.64.10
15 2026-08-20 05:44 639228014720406505
26 ms 156.154.64.10
14 2026-08-20 05:28 639228004930827030
12 ms 156.154.64.10
13 2026-08-20 05:11 639227995103340154
27 ms 156.154.64.10
12 2026-08-20 04:19 639227963811374894
15 ms 156.154.64.10
11 2026-08-20 04:03 639227954132571365
4 ms 156.154.64.10
10 2026-08-20 03:47 639227944541208342
19 ms 156.154.64.10
9 2026-08-20 03:31 639227934657213484
35 ms 156.154.64.10
8 2026-08-20 02:39 639227903628145469
34 ms 156.154.64.10
7 2026-08-20 02:23 639227893995483475
19 ms 156.154.64.10
6 2026-08-20 02:07 639227884280244209
55 ms 156.154.64.10
5 2026-08-20 01:50 639227874371147132
56 ms 156.154.64.10
4 2026-08-20 00:58 639227843224256432
39 ms 156.154.64.10
3 2026-08-20 00:43 639227833720403506
11 ms 156.154.64.10
2 2026-08-20 00:27 639227824170728278
15 ms 156.154.64.10
1 2026-08-20 00:11 639227814865867570
61 ms 156.154.64.10