DNS response history for ns1.authmicrosoft.online

ns1.authmicrosoft.online 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 2026-08-25. For this date, NameServerHistory found 65 DNS check records, 64 successful responses, 1 failed responses, and 131 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 ns1.authmicrosoft.online.
Records on Selected Date

65

Historical checks stored for this nameserver on selected date

Average Latency

131 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 22:05

All timestamps shown in UTC

Latest Resolved IP on Selected Date

159.223.236.61

Most recently resolved hosting IP on selected date

Successful Responses

64

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

2%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ns1.authmicrosoft.online

Showing DNS history for 2026-08-25 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
65 2026-08-25 22:05 639232921673215474
47 ms 159.223.236.61
64 2026-08-25 21:47 639232911234504639
47 ms 159.223.236.61
63 2026-08-25 21:30 639232900747078453
47 ms 159.223.236.61
62 2026-08-25 21:13 639232890389222534
31 ms 159.223.236.61
61 2026-08-25 20:56 639232880143390843
53 ms 159.223.236.61
60 2026-08-25 20:38 639232869755024069
9 ms 159.223.236.61
59 2026-08-25 20:21 639232859355940346
19 ms 159.223.236.61
58 2026-08-25 20:04 639232848992244953
8 ms 159.223.236.61
57 2026-08-25 19:46 639232838596478500
25 ms 159.223.236.61
56 2026-08-25 19:29 639232828175327683
32 ms 159.223.236.61
55 2026-08-25 19:12 639232817798330473
31 ms 159.223.236.61
54 2026-08-25 18:18 639232785462407552
-
53 2026-08-25 18:01 639232775177487032
22 ms 159.223.236.61
52 2026-08-25 17:44 639232764991087115
45 ms 159.223.236.61
51 2026-08-25 17:27 639232754842971478
47 ms 159.223.236.61
50 2026-08-25 17:09 639232744455159107
67 ms 159.223.236.61
49 2026-08-25 16:52 639232734145178231
44 ms 159.223.236.61
48 2026-08-25 16:35 639232723827874402
43 ms 159.223.236.61
47 2026-08-25 16:18 639232713533011892
39 ms 159.223.236.61
46 2026-08-25 16:01 639232703065318207
24 ms 159.223.236.61
45 2026-08-25 15:43 639232692629559470
37 ms 159.223.236.61
44 2026-08-25 15:26 639232682238836475
21 ms 159.223.236.61
43 2026-08-25 15:08 639232671787004306
35 ms 159.223.236.61
42 2026-08-25 14:14 639232638994329666
30 ms 159.223.236.61
41 2026-08-25 13:56 639232628614783237
67 ms 159.223.236.61
40 2026-08-25 13:39 639232618360728578
35 ms 159.223.236.61
39 2026-08-25 13:22 639232608016476376
36 ms 159.223.236.61
38 2026-08-25 13:05 639232597643611557
17 ms 159.223.236.61
37 2026-08-25 12:47 639232587225721862
38 ms 159.223.236.61
36 2026-08-25 12:30 639232576780683689
47 ms 159.223.236.61
35 2026-08-25 12:13 639232566381512620
63 ms 159.223.236.61
34 2026-08-25 11:56 639232556111768563
28 ms 159.223.236.61
33 2026-08-25 11:38 639232545839529039
16 ms 159.223.236.61
32 2026-08-25 11:21 639232535349285207
26 ms 159.223.236.61
31 2026-08-25 11:04 639232524938080723
70 ms 159.223.236.61
30 2026-08-25 10:10 639232492740373468
23 ms 159.223.236.61
29 2026-08-25 09:52 639232482235303141
23 ms 159.223.236.61
28 2026-08-25 09:35 639232471861770303
23 ms 159.223.236.61
27 2026-08-25 09:18 639232461630217327
86 ms 159.223.236.61
26 2026-08-25 09:01 639232451282965990
34 ms 159.223.236.61
25 2026-08-25 08:43 639232440814614938
27 ms 159.223.236.61
24 2026-08-25 08:26 639232430410720425
26 ms 159.223.236.61
23 2026-08-25 08:09 639232420003096185
24 ms 159.223.236.61
22 2026-08-25 07:51 639232409467287444
46 ms 159.223.236.61
21 2026-08-25 07:34 639232399077195997
12 ms 159.223.236.61
20 2026-08-25 07:17 639232388731528337
38 ms 159.223.236.61
19 2026-08-25 06:59 639232378288598612
25 ms 159.223.236.61
18 2026-08-25 06:06 639232346196373643
58 ms 159.223.236.61
17 2026-08-25 05:49 639232336112370741
50 ms 159.223.236.61
16 2026-08-25 05:32 639232326146508970
30 ms 159.223.236.61
15 2026-08-25 05:16 639232316189381720
36 ms 159.223.236.61
14 2026-08-25 04:59 639232306217998913
20 ms 159.223.236.61
13 2026-08-25 04:43 639232296255744174
2033 ms 159.223.236.61
12 2026-08-25 04:26 639232286095760789
31 ms 159.223.236.61
11 2026-08-25 04:09 639232276086186273
36 ms 159.223.236.61
10 2026-08-25 03:52 639232265900986425
32 ms 159.223.236.61
9 2026-08-25 03:35 639232255723518075
28 ms 159.223.236.61
8 2026-08-25 03:18 639232245484452890
2054 ms 159.223.236.61
7 2026-08-25 03:01 639232235157175331
26 ms 159.223.236.61
6 2026-08-25 02:07 639232203197189095
2062 ms 159.223.236.61
5 2026-08-25 01:50 639232192844564298
30 ms 159.223.236.61
4 2026-08-25 01:33 639232182496008942
56 ms 159.223.236.61
3 2026-08-25 01:16 639232172197053132
44 ms 159.223.236.61
2 2026-08-25 00:22 639232140250307418
79 ms 159.223.236.61
1 2026-08-25 00:05 639232129927860324
18 ms 159.223.236.61