DNS response history for a.ns.apple.com

a.ns.apple.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 2026-08-21. For this date, NameServerHistory found 73 DNS check records, 73 successful responses, 0 failed responses, and 159 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 a.ns.apple.com.
Records on Selected Date

73

Historical checks stored for this nameserver on selected date

Average Latency

159 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-21 23:51

All timestamps shown in UTC

Latest Resolved IP on Selected Date

17.253.200.1

Most recently resolved hosting IP on selected date

Successful Responses

73

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 a.ns.apple.com

Showing DNS history for 2026-08-21 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
73 2026-08-21 23:51 639229527598660841
12 ms 17.253.200.1
72 2026-08-21 23:35 639229517954323214
6 ms 17.253.200.1
71 2026-08-21 23:18 639229508269999021
3 ms 17.253.200.1
70 2026-08-21 23:02 639229498559060171
8 ms 17.253.200.1
69 2026-08-21 22:46 639229488519347586
4 ms 17.253.200.1
68 2026-08-21 21:52 639229456606578934
24 ms 17.253.200.1
67 2026-08-21 21:36 639229446985772499
4 ms 17.253.200.1
66 2026-08-21 21:20 639229437367313098
5 ms 17.253.200.1
65 2026-08-21 21:04 639229427923950391
25 ms 17.253.200.1
64 2026-08-21 20:48 639229418168588854
108 ms 17.253.200.1
63 2026-08-21 20:32 639229408345678334
32 ms 17.253.200.1
62 2026-08-21 20:15 639229398616354648
9 ms 17.253.200.1
61 2026-08-21 19:59 639229388634592323
4 ms 17.253.200.1
60 2026-08-21 19:43 639229378792837692
5 ms 17.253.200.1
59 2026-08-21 19:26 639229369154682311
5 ms 17.253.200.1
58 2026-08-21 19:10 639229359248017926
66 ms 17.253.200.1
57 2026-08-21 18:53 639229349124294642
4 ms 17.253.200.1
56 2026-08-21 18:01 639229317791715692
29 ms 17.253.200.1
55 2026-08-21 17:45 639229308115194575
4021 ms 17.253.200.1
54 2026-08-21 17:28 639229298320320558
38 ms 17.253.200.1
53 2026-08-21 17:12 639229288674863221
8 ms 17.253.200.1
52 2026-08-21 16:56 639229278983677079
60 ms 17.253.200.1
51 2026-08-21 16:40 639229269405517175
34 ms 17.253.200.1
50 2026-08-21 16:24 639229259594798244
27 ms 17.253.200.1
49 2026-08-21 16:07 639229249736681188
47 ms 17.253.200.1
48 2026-08-21 15:51 639229239699417787
13 ms 17.253.200.1
47 2026-08-21 15:34 639229229621964033
2 ms 17.253.200.1
46 2026-08-21 15:17 639229219567270965
17 ms 17.253.200.1
45 2026-08-21 15:00 639229209406666856
3 ms 17.253.200.1
44 2026-08-21 14:08 639229177815876178
27 ms 17.253.200.1
43 2026-08-21 13:52 639229168243572685
37 ms 17.253.200.1
42 2026-08-21 13:36 639229158599856475
27 ms 17.253.200.1
41 2026-08-21 13:19 639229148998940902
2038 ms 17.253.200.1
40 2026-08-21 13:03 639229139276923594
22 ms 17.253.200.1
39 2026-08-21 12:47 639229129709912394
23 ms 17.253.200.1
38 2026-08-21 12:31 639229119801488500
33 ms 17.253.200.1
37 2026-08-21 12:15 639229110135262458
26 ms 17.253.200.1
36 2026-08-21 11:59 639229100336051392
50 ms 17.253.200.1
35 2026-08-21 11:42 639229090641415626
69 ms 17.253.200.1
34 2026-08-21 11:26 639229080702683947
10 ms 17.253.200.1
33 2026-08-21 11:09 639229070601456699
7 ms 17.253.200.1
32 2026-08-21 10:16 639229038947447232
36 ms 17.253.200.1
31 2026-08-21 10:00 639229029268708773
10 ms 17.253.200.1
30 2026-08-21 09:44 639229019647910603
20 ms 17.253.200.1
29 2026-08-21 09:28 639229009983843738
4013 ms 17.253.200.1
28 2026-08-21 09:12 639229000203331882
8 ms 17.253.200.1
27 2026-08-21 08:55 639228990302335999
11 ms 17.253.200.1
26 2026-08-21 08:39 639228980567740722
33 ms 17.253.200.1
25 2026-08-21 08:23 639228970762445174
8 ms 17.253.200.1
24 2026-08-21 08:06 639228961065054445
34 ms 17.253.200.1
23 2026-08-21 07:50 639228951224649885
31 ms 17.253.200.1
22 2026-08-21 07:33 639228941303864592
13 ms 17.253.200.1
21 2026-08-21 07:17 639228931191328583
41 ms 17.253.200.1
20 2026-08-21 06:24 639228899518173317
6 ms 17.253.200.1
19 2026-08-21 06:08 639228889785027669
20 ms 17.253.200.1
18 2026-08-21 05:51 639228880106330161
3 ms 17.253.200.1
17 2026-08-21 05:35 639228870316184091
3 ms 17.253.200.1
16 2026-08-21 05:19 639228860695366512
9 ms 17.253.200.1
15 2026-08-21 05:03 639228851027209500
7 ms 17.253.200.1
14 2026-08-21 04:47 639228841479265462
8 ms 17.253.200.1
13 2026-08-21 04:31 639228831752962260
8 ms 17.253.200.1
12 2026-08-21 04:15 639228821953295483
33 ms 17.253.200.1
11 2026-08-21 03:58 639228812227429953
26 ms 17.253.200.1
10 2026-08-21 03:42 639228802476107538
13 ms 17.253.200.1
9 2026-08-21 03:26 639228792525492032
37 ms 17.253.200.1
8 2026-08-21 02:33 639228761131421385
10 ms 17.253.200.1
7 2026-08-21 02:17 639228751571206692
50 ms 17.253.200.1
6 2026-08-21 02:01 639228741705571019
5 ms 17.253.200.1
5 2026-08-21 01:44 639228731642208228
7 ms 17.253.200.1
4 2026-08-21 00:52 639228700387002072
16 ms 17.253.200.1
3 2026-08-21 00:36 639228690742014433
27 ms 17.253.200.1
2 2026-08-21 00:19 639228680877937122
27 ms 17.253.200.1
1 2026-08-21 00:03 639228670775860800
41 ms 17.253.200.1