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 2026-08-22. For this date, NameServerHistory found 148 DNS check records, 148 successful responses, 0 failed responses, and 240 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

148

Historical checks stored for this nameserver on selected date

Average Latency

240 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-22 23:46

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

148

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 2026-08-22 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
148 2026-08-22 23:46 639230391807229016
90 ms 13.107.206.41
147 2026-08-22 23:46 639230391807229016
90 ms 13.107.222.41
146 2026-08-22 23:30 639230382051619327
2019 ms 13.107.206.41
145 2026-08-22 23:30 639230382051619327
2019 ms 13.107.222.41
144 2026-08-22 23:14 639230372323353529
3 ms 13.107.206.41
143 2026-08-22 23:14 639230372323353529
3 ms 13.107.222.41
142 2026-08-22 22:57 639230362586451064
15 ms 13.107.222.41
141 2026-08-22 22:57 639230362586451064
15 ms 13.107.206.41
140 2026-08-22 22:41 639230352793666303
35 ms 13.107.206.41
139 2026-08-22 22:41 639230352793666303
35 ms 13.107.222.41
138 2026-08-22 22:24 639230342775737758
5 ms 13.107.206.41
137 2026-08-22 22:24 639230342775737758
5 ms 13.107.222.41
136 2026-08-22 22:07 639230332639939561
5 ms 13.107.206.41
135 2026-08-22 22:07 639230332639939561
5 ms 13.107.222.41
134 2026-08-22 21:15 639230301014190104
3 ms 13.107.222.41
133 2026-08-22 21:15 639230301014190104
3 ms 13.107.206.41
132 2026-08-22 20:58 639230291048161498
37 ms 13.107.222.41
131 2026-08-22 20:58 639230291048161498
37 ms 13.107.206.41
130 2026-08-22 20:41 639230280894353664
29 ms 13.107.206.41
129 2026-08-22 20:41 639230280894353664
29 ms 13.107.222.41
128 2026-08-22 20:24 639230270699419073
10 ms 13.107.206.41
127 2026-08-22 20:24 639230270699419073
10 ms 13.107.222.41
126 2026-08-22 20:07 639230260248163050
9 ms 13.107.206.41
125 2026-08-22 20:07 639230260248163050
9 ms 13.107.222.41
124 2026-08-22 19:50 639230250122494282
5 ms 13.107.206.41
123 2026-08-22 19:50 639230250122494282
5 ms 13.107.222.41
122 2026-08-22 19:33 639230239972935046
25 ms 13.107.206.41
121 2026-08-22 19:33 639230239972935046
25 ms 13.107.222.41
120 2026-08-22 19:16 639230229963262464
25 ms 13.107.206.41
119 2026-08-22 19:16 639230229963262464
25 ms 13.107.222.41
118 2026-08-22 19:00 639230220033804658
22 ms 13.107.206.41
117 2026-08-22 19:00 639230220033804658
22 ms 13.107.222.41
116 2026-08-22 18:43 639230209891107289
24 ms 13.107.206.41
115 2026-08-22 18:43 639230209891107289
24 ms 13.107.222.41
114 2026-08-22 18:26 639230199630298717
8 ms 13.107.206.41
113 2026-08-22 18:26 639230199630298717
8 ms 13.107.222.41
112 2026-08-22 18:09 639230189301984150
51 ms 13.107.206.41
111 2026-08-22 18:09 639230189301984150
51 ms 13.107.222.41
110 2026-08-22 17:15 639230157138468804
6 ms 13.107.206.41
109 2026-08-22 17:15 639230157138468804
6 ms 13.107.222.41
108 2026-08-22 16:58 639230146987869495
68 ms 13.107.206.41
107 2026-08-22 16:58 639230146987869495
68 ms 13.107.222.41
106 2026-08-22 16:41 639230136768638516
2016 ms 13.107.206.41
105 2026-08-22 16:41 639230136768638516
2016 ms 13.107.222.41
104 2026-08-22 16:24 639230126735907877
5 ms 13.107.206.41
103 2026-08-22 16:24 639230126735907877
5 ms 13.107.222.41
102 2026-08-22 16:07 639230116551187768
106 ms 13.107.222.41
101 2026-08-22 16:07 639230116551187768
106 ms 13.107.206.41
100 2026-08-22 15:50 639230106335615913
12 ms 13.107.206.41
99 2026-08-22 15:50 639230106335615913
12 ms 13.107.222.41
98 2026-08-22 15:33 639230096177758176
33 ms 13.107.206.41
97 2026-08-22 15:33 639230096177758176
33 ms 13.107.222.41
96 2026-08-22 15:17 639230086185999993
10 ms 13.107.206.41
95 2026-08-22 15:17 639230086185999993
10 ms 13.107.222.41
94 2026-08-22 15:00 639230076247854903
5 ms 13.107.206.41
93 2026-08-22 15:00 639230076247854903
5 ms 13.107.222.41
92 2026-08-22 14:43 639230066076077530
32 ms 13.107.206.41
91 2026-08-22 14:43 639230066076077530
32 ms 13.107.222.41
90 2026-08-22 14:26 639230055738197328
29 ms 13.107.206.41
89 2026-08-22 14:26 639230055738197328
29 ms 13.107.222.41
88 2026-08-22 14:09 639230045411225521
43 ms 13.107.206.41
87 2026-08-22 14:09 639230045411225521
43 ms 13.107.222.41
86 2026-08-22 13:15 639230013046000470
16 ms 13.107.222.41
85 2026-08-22 13:15 639230013046000470
16 ms 13.107.206.41
84 2026-08-22 12:58 639230003090037878
26 ms 13.107.222.41
83 2026-08-22 12:58 639230003090037878
26 ms 13.107.206.41
82 2026-08-22 12:41 639229993008259475
10 ms 13.107.206.41
81 2026-08-22 12:41 639229993008259475
10 ms 13.107.222.41
80 2026-08-22 12:25 639229982909449470
7 ms 13.107.206.41
79 2026-08-22 12:25 639229982909449470
7 ms 13.107.222.41
78 2026-08-22 12:08 639229973035502212
8 ms 13.107.206.41
77 2026-08-22 12:08 639229973035502212
8 ms 13.107.222.41
76 2026-08-22 11:51 639229963064296145
30 ms 13.107.206.41
75 2026-08-22 11:51 639229963064296145
30 ms 13.107.222.41
74 2026-08-22 11:35 639229952996162143
13 ms 13.107.206.41
73 2026-08-22 11:35 639229952996162143
13 ms 13.107.222.41
72 2026-08-22 11:18 639229943051949195
20 ms 13.107.206.41
71 2026-08-22 11:18 639229943051949195
20 ms 13.107.222.41
70 2026-08-22 11:01 639229932919214934
6 ms 13.107.206.41
69 2026-08-22 11:01 639229932919214934
6 ms 13.107.222.41
68 2026-08-22 10:44 639229922745889838
2117 ms 13.107.222.41
67 2026-08-22 10:44 639229922745889838
2117 ms 13.107.206.41
66 2026-08-22 10:27 639229912587214796
2059 ms 13.107.222.41
65 2026-08-22 10:27 639229912587214796
2059 ms 13.107.206.41
64 2026-08-22 10:10 639229902240004454
15 ms 13.107.222.41
63 2026-08-22 10:10 639229902240004454
15 ms 13.107.206.41
62 2026-08-22 09:18 639229870800501662
9 ms 13.107.206.41
61 2026-08-22 09:18 639229870800501662
9 ms 13.107.222.41
60 2026-08-22 09:02 639229861058384956
4016 ms 13.107.206.41
59 2026-08-22 09:02 639229861058384956
4016 ms 13.107.222.41
58 2026-08-22 08:45 639229851158592604
8 ms 13.107.206.41
57 2026-08-22 08:45 639229851158592604
8 ms 13.107.222.41
56 2026-08-22 08:29 639229841475569629
27 ms 13.107.206.41
55 2026-08-22 08:29 639229841475569629
27 ms 13.107.222.41
54 2026-08-22 08:13 639229831887658471
20 ms 13.107.206.41
53 2026-08-22 08:13 639229831887658471
20 ms 13.107.222.41
52 2026-08-22 07:56 639229822043670346
14 ms 13.107.206.41
51 2026-08-22 07:56 639229822043670346
14 ms 13.107.222.41
50 2026-08-22 07:40 639229812327913936
34 ms 13.107.206.41
49 2026-08-22 07:40 639229812327913936
34 ms 13.107.222.41
48 2026-08-22 07:24 639229802629488686
11 ms 13.107.206.41
47 2026-08-22 07:24 639229802629488686
11 ms 13.107.222.41
46 2026-08-22 07:08 639229793051447309
36 ms 13.107.206.41
45 2026-08-22 07:08 639229793051447309
36 ms 13.107.222.41
44 2026-08-22 06:52 639229783303531961
25 ms 13.107.206.41
43 2026-08-22 06:52 639229783303531961
25 ms 13.107.222.41
42 2026-08-22 06:35 639229773458051942
21 ms 13.107.206.41
41 2026-08-22 06:35 639229773458051942
21 ms 13.107.222.41
40 2026-08-22 06:19 639229763373848056
24 ms 13.107.222.41
39 2026-08-22 06:19 639229763373848056
24 ms 13.107.206.41
38 2026-08-22 05:27 639229732140622809
60 ms 13.107.222.41
37 2026-08-22 05:27 639229732140622809
60 ms 13.107.206.41
36 2026-08-22 05:11 639229722699695967
3 ms 13.107.222.41
35 2026-08-22 05:11 639229722699695967
3 ms 13.107.206.41
34 2026-08-22 04:55 639229713097498075
9 ms 13.107.206.41
33 2026-08-22 04:55 639229713097498075
9 ms 13.107.222.41
32 2026-08-22 04:39 639229703543969637
2013 ms 13.107.222.41
31 2026-08-22 04:39 639229703543969637
2013 ms 13.107.206.41
30 2026-08-22 04:23 639229693970392873
23 ms 13.107.206.41
29 2026-08-22 04:23 639229693970392873
23 ms 13.107.222.41
28 2026-08-22 04:07 639229684277329469
18 ms 13.107.206.41
27 2026-08-22 04:07 639229684277329469
18 ms 13.107.222.41
26 2026-08-22 03:51 639229674501596661
9 ms 13.107.206.41
25 2026-08-22 03:51 639229674501596661
9 ms 13.107.222.41
24 2026-08-22 03:35 639229665064441147
9 ms 13.107.206.41
23 2026-08-22 03:35 639229665064441147
9 ms 13.107.222.41
22 2026-08-22 03:19 639229655507536872
55 ms 13.107.206.41
21 2026-08-22 03:19 639229655507536872
55 ms 13.107.222.41
20 2026-08-22 03:03 639229645849603111
5 ms 13.107.206.41
19 2026-08-22 03:03 639229645849603111
5 ms 13.107.222.41
18 2026-08-22 02:47 639229636090497453
13 ms 13.107.206.41
17 2026-08-22 02:47 639229636090497453
13 ms 13.107.222.41
16 2026-08-22 02:30 639229625978544281
58 ms 13.107.206.41
15 2026-08-22 02:30 639229625978544281
58 ms 13.107.222.41
14 2026-08-22 01:37 639229594644662176
3 ms 13.107.222.41
13 2026-08-22 01:37 639229594644662176
3 ms 13.107.206.41
12 2026-08-22 01:22 639229585214633065
31 ms 13.107.222.41
11 2026-08-22 01:22 639229585214633065
31 ms 13.107.206.41
10 2026-08-22 01:06 639229575581042175
5 ms 13.107.206.41
9 2026-08-22 01:06 639229575581042175
5 ms 13.107.222.41
8 2026-08-22 00:50 639229565912268962
2053 ms 13.107.206.41
7 2026-08-22 00:50 639229565912268962
2053 ms 13.107.222.41
6 2026-08-22 00:33 639229556237813203
35 ms 13.107.206.41
5 2026-08-22 00:33 639229556237813203
35 ms 13.107.222.41
4 2026-08-22 00:17 639229546625802518
9 ms 13.107.206.41
3 2026-08-22 00:17 639229546625802518
9 ms 13.107.222.41
2 2026-08-22 00:02 639229537172016621
23 ms 13.107.206.41
1 2026-08-22 00:02 639229537172016621
23 ms 13.107.222.41