DNS response history for b66.microsoftinternetsafety.net

b66.microsoftinternetsafety.net 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 57 DNS check records, 57 successful responses, 0 failed responses, and 306 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 b66.microsoftinternetsafety.net.
Records on Selected Date

57

Historical checks stored for this nameserver on selected date

Average Latency

306 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 19:45

All timestamps shown in UTC

Latest Resolved IP on Selected Date

13.107.222.41

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 b66.microsoftinternetsafety.net

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
57 2026-08-25 19:45 639232838596478500
45 ms 13.107.222.41
56 2026-08-25 19:28 639232828175327683
20 ms 13.107.222.41
55 2026-08-25 19:11 639232817798330473
13 ms 13.107.222.41
54 2026-08-25 18:17 639232785462407552
15 ms 13.107.222.41
53 2026-08-25 18:00 639232775177487032
7 ms 13.107.222.41
52 2026-08-25 17:42 639232764991087115
9 ms 13.107.222.41
51 2026-08-25 17:26 639232754842971478
52 ms 13.107.222.41
50 2026-08-25 17:08 639232744455159107
45 ms 13.107.222.41
49 2026-08-25 16:51 639232734145178231
28 ms 13.107.222.41
48 2026-08-25 16:34 639232723827874402
34 ms 13.107.222.41
47 2026-08-25 16:17 639232713533011892
5 ms 13.107.222.41
46 2026-08-25 15:59 639232703065318207
6 ms 13.107.222.41
45 2026-08-25 15:42 639232692629559470
7 ms 13.107.222.41
44 2026-08-25 15:25 639232682238836475
6 ms 13.107.222.41
43 2026-08-25 15:07 639232671787004306
30 ms 13.107.222.41
42 2026-08-25 14:13 639232638994329666
35 ms 13.107.222.41
41 2026-08-25 13:55 639232628614783237
23 ms 13.107.222.41
40 2026-08-25 13:38 639232618360728578
34 ms 13.107.222.41
39 2026-08-25 13:21 639232608016476376
37 ms 13.107.222.41
38 2026-08-25 13:04 639232597643611557
2016 ms 13.107.222.41
37 2026-08-25 12:46 639232587225721862
19 ms 13.107.222.41
36 2026-08-25 12:29 639232576780683689
45 ms 13.107.222.41
35 2026-08-25 12:12 639232566381512620
29 ms 13.107.222.41
34 2026-08-25 11:54 639232556111768563
2047 ms 13.107.222.41
33 2026-08-25 11:37 639232545839529039
12 ms 13.107.222.41
32 2026-08-25 11:20 639232535349285207
8 ms 13.107.222.41
31 2026-08-25 11:02 639232524938080723
8 ms 13.107.222.41
30 2026-08-25 10:09 639232492740373468
6 ms 13.107.222.41
29 2026-08-25 09:51 639232482235303141
6 ms 13.107.222.41
28 2026-08-25 09:34 639232471861770303
13 ms 13.107.222.41
27 2026-08-25 09:17 639232461630217327
11 ms 13.107.222.41
26 2026-08-25 09:00 639232451282965990
34 ms 13.107.222.41
25 2026-08-25 08:42 639232440814614938
2048 ms 13.107.222.41
24 2026-08-25 08:25 639232430410720425
25 ms 13.107.222.41
23 2026-08-25 08:08 639232420003096185
26 ms 13.107.222.41
22 2026-08-25 07:50 639232409467287444
5 ms 13.107.222.41
21 2026-08-25 07:33 639232399077195997
11 ms 13.107.222.41
20 2026-08-25 07:15 639232388731528337
138 ms 13.107.222.41
19 2026-08-25 06:58 639232378288598612
31 ms 13.107.222.41
18 2026-08-25 06:05 639232346196373643
15 ms 13.107.222.41
17 2026-08-25 05:48 639232336112370741
2041 ms 13.107.222.41
16 2026-08-25 05:31 639232326146508970
13 ms 13.107.222.41
15 2026-08-25 05:15 639232316189381720
10 ms 13.107.222.41
14 2026-08-25 04:58 639232306217998913
2027 ms 13.107.222.41
13 2026-08-25 04:41 639232296255744174
5 ms 13.107.222.41
12 2026-08-25 04:24 639232286095760789
5 ms 13.107.222.41
11 2026-08-25 04:08 639232276086186273
2028 ms 13.107.222.41
10 2026-08-25 03:51 639232265900986425
4 ms 13.107.222.41
9 2026-08-25 03:34 639232255723518075
3 ms 13.107.222.41
8 2026-08-25 03:17 639232245484452890
2112 ms 13.107.222.41
7 2026-08-25 03:00 639232235157175331
2038 ms 13.107.222.41
6 2026-08-25 02:06 639232203197189095
5 ms 13.107.222.41
5 2026-08-25 01:49 639232192844564298
40 ms 13.107.222.41
4 2026-08-25 01:32 639232182496008942
55 ms 13.107.222.41
3 2026-08-25 01:15 639232172197053132
4 ms 13.107.222.41
2 2026-08-25 00:21 639232140250307418
5 ms 13.107.222.41
1 2026-08-25 00:04 639232129927860324
21 ms 13.107.222.41