DNS response history for b64.microsoftinternetsafety.net

b64.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 120 DNS check records, 120 successful responses, 0 failed responses, and 258 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 b64.microsoftinternetsafety.net.
Records on Selected Date

120

Historical checks stored for this nameserver on selected date

Average Latency

258 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 20:36

All timestamps shown in UTC

Latest Resolved IP on Selected Date

13.107.206.41

Most recently resolved hosting IP on selected date

Successful Responses

120

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 b64.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
120 2026-08-25 20:36 639232869755024069
30 ms 13.107.206.41
119 2026-08-25 20:36 639232869755024069
30 ms 13.107.222.41
118 2026-08-25 20:19 639232859355940346
22 ms 13.107.206.41
117 2026-08-25 20:19 639232859355940346
22 ms 13.107.222.41
116 2026-08-25 20:01 639232848992244953
18 ms 13.107.206.41
115 2026-08-25 20:01 639232848992244953
18 ms 13.107.222.41
114 2026-08-25 19:44 639232838596478500
45 ms 13.107.222.41
113 2026-08-25 19:44 639232838596478500
45 ms 13.107.206.41
112 2026-08-25 19:27 639232828175327683
5 ms 13.107.206.41
111 2026-08-25 19:27 639232828175327683
5 ms 13.107.222.41
110 2026-08-25 19:09 639232817798330473
16 ms 13.107.206.41
109 2026-08-25 19:09 639232817798330473
16 ms 13.107.222.41
108 2026-08-25 18:15 639232785462407552
14 ms 13.107.206.41
107 2026-08-25 18:15 639232785462407552
14 ms 13.107.222.41
106 2026-08-25 17:58 639232775177487032
7 ms 13.107.206.41
105 2026-08-25 17:58 639232775177487032
7 ms 13.107.222.41
104 2026-08-25 17:41 639232764991087115
46 ms 13.107.206.41
103 2026-08-25 17:41 639232764991087115
46 ms 13.107.222.41
102 2026-08-25 17:24 639232754842971478
2054 ms 13.107.222.41
101 2026-08-25 17:24 639232754842971478
2054 ms 13.107.206.41
100 2026-08-25 17:07 639232744455159107
56 ms 13.107.222.41
99 2026-08-25 17:07 639232744455159107
56 ms 13.107.206.41
98 2026-08-25 16:50 639232734145178231
10 ms 13.107.206.41
97 2026-08-25 16:50 639232734145178231
10 ms 13.107.222.41
96 2026-08-25 16:33 639232723827874402
34 ms 13.107.206.41
95 2026-08-25 16:33 639232723827874402
34 ms 13.107.222.41
94 2026-08-25 16:16 639232713533011892
70 ms 13.107.206.41
93 2026-08-25 16:16 639232713533011892
70 ms 13.107.222.41
92 2026-08-25 15:58 639232703065318207
37 ms 13.107.206.41
91 2026-08-25 15:58 639232703065318207
37 ms 13.107.222.41
90 2026-08-25 15:41 639232692629559470
4042 ms 13.107.206.41
89 2026-08-25 15:41 639232692629559470
4042 ms 13.107.222.41
88 2026-08-25 15:23 639232682238836475
6 ms 13.107.206.41
87 2026-08-25 15:23 639232682238836475
6 ms 13.107.222.41
86 2026-08-25 15:06 639232671787004306
13 ms 13.107.222.41
85 2026-08-25 15:06 639232671787004306
13 ms 13.107.206.41
84 2026-08-25 14:11 639232638994329666
16 ms 13.107.206.41
83 2026-08-25 14:11 639232638994329666
16 ms 13.107.222.41
82 2026-08-25 13:54 639232628614783237
18 ms 13.107.206.41
81 2026-08-25 13:54 639232628614783237
18 ms 13.107.222.41
80 2026-08-25 13:37 639232618360728578
5 ms 13.107.206.41
79 2026-08-25 13:37 639232618360728578
5 ms 13.107.222.41
78 2026-08-25 13:20 639232608016476376
2028 ms 13.107.206.41
77 2026-08-25 13:20 639232608016476376
2028 ms 13.107.222.41
76 2026-08-25 13:02 639232597643611557
7 ms 13.107.206.41
75 2026-08-25 13:02 639232597643611557
7 ms 13.107.222.41
74 2026-08-25 12:45 639232587225721862
20 ms 13.107.222.41
73 2026-08-25 12:45 639232587225721862
20 ms 13.107.206.41
72 2026-08-25 12:28 639232576780683689
11 ms 13.107.206.41
71 2026-08-25 12:28 639232576780683689
11 ms 13.107.222.41
70 2026-08-25 12:10 639232566381512620
25 ms 13.107.206.41
69 2026-08-25 12:10 639232566381512620
25 ms 13.107.222.41
68 2026-08-25 11:53 639232556111768563
17 ms 13.107.206.41
67 2026-08-25 11:53 639232556111768563
17 ms 13.107.222.41
66 2026-08-25 11:36 639232545839529039
11 ms 13.107.206.41
65 2026-08-25 11:36 639232545839529039
11 ms 13.107.222.41
64 2026-08-25 11:19 639232535349285207
31 ms 13.107.222.41
63 2026-08-25 11:19 639232535349285207
31 ms 13.107.206.41
62 2026-08-25 11:01 639232524938080723
28 ms 13.107.206.41
61 2026-08-25 11:01 639232524938080723
28 ms 13.107.222.41
60 2026-08-25 10:08 639232492740373468
75 ms 13.107.222.41
59 2026-08-25 10:08 639232492740373468
75 ms 13.107.206.41
58 2026-08-25 09:50 639232482235303141
16 ms 13.107.206.41
57 2026-08-25 09:50 639232482235303141
16 ms 13.107.222.41
56 2026-08-25 09:33 639232471861770303
23 ms 13.107.222.41
55 2026-08-25 09:33 639232471861770303
23 ms 13.107.206.41
54 2026-08-25 09:16 639232461630217327
90 ms 13.107.222.41
53 2026-08-25 09:16 639232461630217327
90 ms 13.107.206.41
52 2026-08-25 08:59 639232451282965990
17 ms 13.107.222.41
51 2026-08-25 08:59 639232451282965990
17 ms 13.107.206.41
50 2026-08-25 08:41 639232440814614938
31 ms 13.107.222.41
49 2026-08-25 08:41 639232440814614938
31 ms 13.107.206.41
48 2026-08-25 08:24 639232430410720425
21 ms 13.107.206.41
47 2026-08-25 08:24 639232430410720425
21 ms 13.107.222.41
46 2026-08-25 08:06 639232420003096185
16 ms 13.107.206.41
45 2026-08-25 08:06 639232420003096185
16 ms 13.107.222.41
44 2026-08-25 07:49 639232409467287444
2128 ms 13.107.206.41
43 2026-08-25 07:49 639232409467287444
2128 ms 13.107.222.41
42 2026-08-25 07:32 639232399077195997
2021 ms 13.107.206.41
41 2026-08-25 07:32 639232399077195997
2021 ms 13.107.222.41
40 2026-08-25 07:14 639232388731528337
8 ms 13.107.206.41
39 2026-08-25 07:14 639232388731528337
8 ms 13.107.222.41
38 2026-08-25 06:57 639232378288598612
21 ms 13.107.206.41
37 2026-08-25 06:57 639232378288598612
21 ms 13.107.222.41
36 2026-08-25 06:03 639232346196373643
5 ms 13.107.206.41
35 2026-08-25 06:03 639232346196373643
5 ms 13.107.222.41
34 2026-08-25 05:47 639232336112370741
2067 ms 13.107.206.41
33 2026-08-25 05:47 639232336112370741
2067 ms 13.107.222.41
32 2026-08-25 05:30 639232326146508970
10 ms 13.107.206.41
31 2026-08-25 05:30 639232326146508970
10 ms 13.107.222.41
30 2026-08-25 05:13 639232316189381720
4 ms 13.107.206.41
29 2026-08-25 05:13 639232316189381720
4 ms 13.107.222.41
28 2026-08-25 04:57 639232306217998913
6 ms 13.107.206.41
27 2026-08-25 04:57 639232306217998913
6 ms 13.107.222.41
26 2026-08-25 04:40 639232296255744174
10 ms 13.107.206.41
25 2026-08-25 04:40 639232296255744174
10 ms 13.107.222.41
24 2026-08-25 04:23 639232286095760789
9 ms 13.107.206.41
23 2026-08-25 04:23 639232286095760789
9 ms 13.107.222.41
22 2026-08-25 04:07 639232276086186273
58 ms 13.107.206.41
21 2026-08-25 04:07 639232276086186273
58 ms 13.107.222.41
20 2026-08-25 03:50 639232265900986425
5 ms 13.107.206.41
19 2026-08-25 03:50 639232265900986425
5 ms 13.107.222.41
18 2026-08-25 03:33 639232255723518075
4 ms 13.107.206.41
17 2026-08-25 03:33 639232255723518075
4 ms 13.107.222.41
16 2026-08-25 03:16 639232245484452890
15 ms 13.107.222.41
15 2026-08-25 03:16 639232245484452890
15 ms 13.107.206.41
14 2026-08-25 02:58 639232235157175331
15 ms 13.107.206.41
13 2026-08-25 02:58 639232235157175331
15 ms 13.107.222.41
12 2026-08-25 02:05 639232203197189095
4 ms 13.107.206.41
11 2026-08-25 02:05 639232203197189095
4 ms 13.107.222.41
10 2026-08-25 01:48 639232192844564298
23 ms 13.107.206.41
9 2026-08-25 01:48 639232192844564298
23 ms 13.107.222.41
8 2026-08-25 01:31 639232182496008942
5 ms 13.107.206.41
7 2026-08-25 01:31 639232182496008942
5 ms 13.107.222.41
6 2026-08-25 01:13 639232172197053132
4 ms 13.107.206.41
5 2026-08-25 01:13 639232172197053132
4 ms 13.107.222.41
4 2026-08-25 00:20 639232140250307418
42 ms 13.107.222.41
3 2026-08-25 00:20 639232140250307418
42 ms 13.107.206.41
2 2026-08-25 00:03 639232129927860324
7 ms 13.107.206.41
1 2026-08-25 00:03 639232129927860324
7 ms 13.107.222.41