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 2026-08-27. For this date, NameServerHistory found 140 DNS check records, 138 successful responses, 2 failed responses, and 252 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

140

Historical checks stored for this nameserver on selected date

Average Latency

252 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-27 23:11

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

138

Checks that returned a measurable response

Failed Responses

2

Checks with no response or no returned latency

Failure Rate

1%

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 2026-08-27 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
140 2026-08-27 23:11 639234690580226618
97 ms 13.107.206.41
139 2026-08-27 23:11 639234690580226618
97 ms 13.107.222.41
138 2026-08-27 22:54 639234680477852135
6 ms 13.107.206.41
137 2026-08-27 22:54 639234680477852135
6 ms 13.107.222.41
136 2026-08-27 22:37 639234670282270693
12 ms 13.107.206.41
135 2026-08-27 22:37 639234670282270693
12 ms 13.107.222.41
134 2026-08-27 22:20 639234660146106544
6 ms 13.107.206.41
133 2026-08-27 22:20 639234660146106544
6 ms 13.107.222.41
132 2026-08-27 22:03 639234649768231829
8 ms 13.107.206.41
131 2026-08-27 22:03 639234649768231829
8 ms 13.107.222.41
130 2026-08-27 21:46 639234639589413826
17 ms 13.107.206.41
129 2026-08-27 21:46 639234639589413826
17 ms 13.107.222.41
128 2026-08-27 21:29 639234629372993861
16 ms 13.107.206.41
127 2026-08-27 21:29 639234629372993861
16 ms 13.107.222.41
126 2026-08-27 21:12 639234619223904344
8 ms 13.107.206.41
125 2026-08-27 21:12 639234619223904344
8 ms 13.107.222.41
124 2026-08-27 20:55 639234608944811927
7 ms 13.107.206.41
123 2026-08-27 20:55 639234608944811927
7 ms 13.107.222.41
122 2026-08-27 20:37 639234598661858910
5 ms 13.107.206.41
121 2026-08-27 20:37 639234598661858910
5 ms 13.107.222.41
120 2026-08-27 20:20 639234588314533893
16 ms 13.107.206.41
119 2026-08-27 20:20 639234588314533893
16 ms 13.107.222.41
118 2026-08-27 20:03 639234577878211878
36 ms 13.107.206.41
117 2026-08-27 20:03 639234577878211878
36 ms 13.107.222.41
116 2026-08-27 19:09 639234545578367474
2013 ms 13.107.222.41
115 2026-08-27 19:09 639234545578367474
2013 ms 13.107.206.41
114 2026-08-27 18:52 639234535255111795
6 ms 13.107.206.41
113 2026-08-27 18:52 639234535255111795
6 ms 13.107.222.41
112 2026-08-27 18:35 639234525107594067
9 ms 13.107.206.41
111 2026-08-27 18:35 639234525107594067
9 ms 13.107.222.41
110 2026-08-27 18:18 639234514890244566
6 ms 13.107.206.41
109 2026-08-27 18:18 639234514890244566
6 ms 13.107.222.41
108 2026-08-27 18:01 639234504745477862
5 ms 13.107.206.41
107 2026-08-27 18:01 639234504745477862
5 ms 13.107.222.41
106 2026-08-27 17:44 639234494449227290
4 ms 13.107.206.41
105 2026-08-27 17:44 639234494449227290
4 ms 13.107.222.41
104 2026-08-27 17:27 639234484118025686
9 ms 13.107.206.41
103 2026-08-27 17:27 639234484118025686
9 ms 13.107.222.41
102 2026-08-27 17:10 639234473946362077
15 ms 13.107.206.41
101 2026-08-27 17:10 639234473946362077
15 ms 13.107.222.41
100 2026-08-27 16:53 639234463759124388
5 ms 13.107.206.41
99 2026-08-27 16:53 639234463759124388
5 ms 13.107.222.41
98 2026-08-27 16:36 639234453500759178
34 ms 13.107.206.41
97 2026-08-27 16:36 639234453500759178
34 ms 13.107.222.41
96 2026-08-27 16:18 639234442983541638
15 ms 13.107.206.41
95 2026-08-27 16:18 639234442983541638
15 ms 13.107.222.41
94 2026-08-27 16:00 639234432404354562
33 ms 13.107.206.41
93 2026-08-27 16:00 639234432404354562
33 ms 13.107.222.41
92 2026-08-27 15:06 639234399767719119
3 ms 13.107.222.41
91 2026-08-27 15:06 639234399767719119
3 ms 13.107.206.41
90 2026-08-27 14:49 639234389460601485
12 ms 13.107.206.41
89 2026-08-27 14:49 639234389460601485
12 ms 13.107.222.41
88 2026-08-27 14:32 639234379227178707
5 ms 13.107.206.41
87 2026-08-27 14:32 639234379227178707
5 ms 13.107.222.41
86 2026-08-27 14:15 639234369065315214
39 ms 13.107.206.41
85 2026-08-27 14:15 639234369065315214
39 ms 13.107.222.41
84 2026-08-27 13:58 639234358825501576
15 ms 13.107.206.41
83 2026-08-27 13:58 639234358825501576
15 ms 13.107.222.41
82 2026-08-27 13:41 639234348572745268
15 ms 13.107.222.41
81 2026-08-27 13:41 639234348572745268
15 ms 13.107.206.41
80 2026-08-27 13:24 639234338264503481
2032 ms 13.107.222.41
79 2026-08-27 13:24 639234338264503481
2032 ms 13.107.206.41
78 2026-08-27 13:06 639234327818741376
23 ms 13.107.206.41
77 2026-08-27 13:06 639234327818741376
23 ms 13.107.222.41
76 2026-08-27 12:49 639234317475724313
4 ms 13.107.206.41
75 2026-08-27 12:49 639234317475724313
4 ms 13.107.222.41
74 2026-08-27 12:31 639234307007468133
6 ms 13.107.206.41
73 2026-08-27 12:31 639234307007468133
6 ms 13.107.222.41
72 2026-08-27 12:14 639234296664302575
6 ms 13.107.206.41
71 2026-08-27 12:14 639234296664302575
6 ms 13.107.222.41
70 2026-08-27 11:57 639234286253196126
4 ms 13.107.206.41
69 2026-08-27 11:57 639234286253196126
4 ms 13.107.222.41
68 2026-08-27 11:03 639234253963286387
17 ms 13.107.222.41
67 2026-08-27 11:03 639234253963286387
17 ms 13.107.206.41
66 2026-08-27 10:46 639234243654907465
8 ms 13.107.206.41
65 2026-08-27 10:46 639234243654907465
8 ms 13.107.222.41
64 2026-08-27 10:28 639234233269654413
5 ms 13.107.206.41
63 2026-08-27 10:28 639234233269654413
5 ms 13.107.222.41
62 2026-08-27 10:11 639234222943951923
23 ms 13.107.206.41
61 2026-08-27 10:11 639234222943951923
23 ms 13.107.222.41
60 2026-08-27 09:54 639234212558002823
27 ms 13.107.206.41
59 2026-08-27 09:54 639234212558002823
27 ms 13.107.222.41
58 2026-08-27 09:37 639234202117531850
71 ms 13.107.222.41
57 2026-08-27 09:37 639234202117531850
71 ms 13.107.206.41
56 2026-08-27 09:19 639234191649612722
55 ms 13.107.222.41
55 2026-08-27 09:19 639234191649612722
55 ms 13.107.206.41
54 2026-08-27 09:02 639234181105879568
53 ms 13.107.206.41
53 2026-08-27 09:02 639234181105879568
53 ms 13.107.222.41
52 2026-08-27 08:44 639234170713214496
6 ms 13.107.206.41
51 2026-08-27 08:44 639234170713214496
6 ms 13.107.222.41
50 2026-08-27 08:27 639234160341037652
2036 ms 13.107.206.41
49 2026-08-27 08:27 639234160341037652
2036 ms 13.107.222.41
48 2026-08-27 08:09 639234149799404224
17 ms 13.107.206.41
47 2026-08-27 08:09 639234149799404224
17 ms 13.107.222.41
46 2026-08-27 07:52 639234139553286469
2030 ms 13.107.222.41
45 2026-08-27 07:52 639234139553286469
2030 ms 13.107.206.41
44 2026-08-27 06:58 639234107183588293
9 ms 13.107.206.41
43 2026-08-27 06:58 639234107183588293
9 ms 13.107.222.41
42 2026-08-27 06:41 639234096905435724
112 ms 13.107.222.41
41 2026-08-27 06:41 639234096905435724
112 ms 13.107.206.41
40 2026-08-27 06:24 639234086579410775
28 ms 13.107.206.41
39 2026-08-27 06:24 639234086579410775
28 ms 13.107.222.41
38 2026-08-27 06:07 639234076291157956
4 ms 13.107.206.41
37 2026-08-27 06:07 639234076291157956
4 ms 13.107.222.41
36 2026-08-27 05:50 639234065981939454
14 ms 13.107.206.41
35 2026-08-27 05:50 639234065981939454
14 ms 13.107.222.41
34 2026-08-27 05:32 639234055548642997
9 ms 13.107.206.41
33 2026-08-27 05:32 639234055548642997
9 ms 13.107.222.41
32 2026-08-27 05:15 639234045267979603
12 ms 13.107.222.41
31 2026-08-27 05:15 639234045267979603
12 ms 13.107.206.41
30 2026-08-27 04:58 639234034999717463
-
29 2026-08-27 04:41 639234024739225358
5 ms 13.107.206.41
28 2026-08-27 04:41 639234024739225358
5 ms 13.107.222.41
27 2026-08-27 04:24 639234014311170162
69 ms 13.107.206.41
26 2026-08-27 04:24 639234014311170162
69 ms 13.107.222.41
25 2026-08-27 04:06 639234003806017640
23 ms 13.107.222.41
24 2026-08-27 04:06 639234003806017640
23 ms 13.107.206.41
23 2026-08-27 03:49 639233993356203030
-
22 2026-08-27 02:55 639233961301716608
5 ms 13.107.206.41
21 2026-08-27 02:55 639233961301716608
5 ms 13.107.222.41
20 2026-08-27 02:38 639233950834200647
10 ms 13.107.206.41
19 2026-08-27 02:38 639233950834200647
10 ms 13.107.222.41
18 2026-08-27 02:20 639233940431849026
2022 ms 13.107.206.41
17 2026-08-27 02:20 639233940431849026
2022 ms 13.107.222.41
16 2026-08-27 02:03 639233930110596398
2013 ms 13.107.222.41
15 2026-08-27 02:03 639233930110596398
2013 ms 13.107.206.41
14 2026-08-27 01:46 639233919705434540
8 ms 13.107.206.41
13 2026-08-27 01:46 639233919705434540
8 ms 13.107.222.41
12 2026-08-27 01:29 639233909452807845
12 ms 13.107.206.41
11 2026-08-27 01:29 639233909452807845
12 ms 13.107.222.41
10 2026-08-27 01:12 639233899096420820
13 ms 13.107.206.41
9 2026-08-27 01:12 639233899096420820
13 ms 13.107.222.41
8 2026-08-27 00:54 639233888707824939
2019 ms 13.107.206.41
7 2026-08-27 00:54 639233888707824939
2019 ms 13.107.222.41
6 2026-08-27 00:37 639233878461203802
18 ms 13.107.206.41
5 2026-08-27 00:37 639233878461203802
18 ms 13.107.222.41
4 2026-08-27 00:20 639233868060868209
2039 ms 13.107.206.41
3 2026-08-27 00:20 639233868060868209
2039 ms 13.107.222.41
2 2026-08-27 00:02 639233857450922991
55 ms 13.107.206.41
1 2026-08-27 00:02 639233857450922991
55 ms 13.107.222.41