DNS response history for mack.ns.cloudflare.com

mack.ns.cloudflare.com 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 2026-08-12. For this date, NameServerHistory found 184 DNS check records, 183 successful responses, 1 failed responses, and 361 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 mack.ns.cloudflare.com.
Records on Selected Date

184

Historical checks stored for this nameserver on selected date

Average Latency

361 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-12 23:53

All timestamps shown in UTC

Latest Resolved IP on Selected Date

162.159.44.37

Most recently resolved hosting IP on selected date

Successful Responses

183

Checks that returned a measurable response

Failed Responses

1

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 mack.ns.cloudflare.com

Showing DNS history for 2026-08-12 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
184 2026-08-12 23:53 639221753022017039
42 ms 162.159.44.37
183 2026-08-12 23:53 639221753022017039
42 ms 172.64.35.37
182 2026-08-12 23:53 639221753022017039
42 ms 108.162.195.37
181 2026-08-12 23:38 639221744107644868
7 ms 162.159.44.37
180 2026-08-12 23:38 639221744107644868
7 ms 108.162.195.37
179 2026-08-12 23:38 639221744107644868
7 ms 172.64.35.37
178 2026-08-12 23:23 639221735030187244
51 ms 108.162.195.37
177 2026-08-12 23:23 639221735030187244
51 ms 162.159.44.37
176 2026-08-12 23:23 639221735030187244
51 ms 172.64.35.37
175 2026-08-12 23:08 639221725815508109
6 ms 108.162.195.37
174 2026-08-12 23:08 639221725815508109
6 ms 162.159.44.37
173 2026-08-12 23:08 639221725815508109
6 ms 172.64.35.37
172 2026-08-12 22:16 639221694790955973
2028 ms 108.162.195.37
171 2026-08-12 22:16 639221694790955973
2028 ms 172.64.35.37
170 2026-08-12 22:16 639221694790955973
2028 ms 162.159.44.37
169 2026-08-12 22:00 639221685562451720
17 ms 108.162.195.37
168 2026-08-12 22:00 639221685562451720
17 ms 162.159.44.37
167 2026-08-12 22:00 639221685562451720
17 ms 172.64.35.37
166 2026-08-12 21:45 639221676023655289
42 ms 108.162.195.37
165 2026-08-12 21:45 639221676023655289
42 ms 162.159.44.37
164 2026-08-12 21:45 639221676023655289
42 ms 172.64.35.37
163 2026-08-12 21:29 639221666449119409
5 ms 108.162.195.37
162 2026-08-12 21:29 639221666449119409
5 ms 162.159.44.37
161 2026-08-12 21:29 639221666449119409
5 ms 172.64.35.37
160 2026-08-12 20:37 639221635456432556
7 ms 108.162.195.37
159 2026-08-12 20:37 639221635456432556
7 ms 162.159.44.37
158 2026-08-12 20:37 639221635456432556
7 ms 172.64.35.37
157 2026-08-12 20:22 639221626313054202
51 ms 108.162.195.37
156 2026-08-12 20:22 639221626313054202
51 ms 162.159.44.37
155 2026-08-12 20:22 639221626313054202
51 ms 172.64.35.37
154 2026-08-12 20:06 639221617091958857
9 ms 108.162.195.37
153 2026-08-12 20:06 639221617091958857
9 ms 162.159.44.37
152 2026-08-12 20:06 639221617091958857
9 ms 172.64.35.37
151 2026-08-12 19:51 639221607786737151
17 ms 108.162.195.37
150 2026-08-12 19:51 639221607786737151
17 ms 162.159.44.37
149 2026-08-12 19:51 639221607786737151
17 ms 172.64.35.37
148 2026-08-12 18:59 639221576664330059
10 ms 108.162.195.37
147 2026-08-12 18:59 639221576664330059
10 ms 162.159.44.37
146 2026-08-12 18:59 639221576664330059
10 ms 172.64.35.37
145 2026-08-12 18:44 639221567514216674
2023 ms 172.64.35.37
144 2026-08-12 18:44 639221567514216674
2023 ms 162.159.44.37
143 2026-08-12 18:44 639221567514216674
2023 ms 108.162.195.37
142 2026-08-12 18:28 639221558399762524
2038 ms 172.64.35.37
141 2026-08-12 18:28 639221558399762524
2038 ms 162.159.44.37
140 2026-08-12 18:28 639221558399762524
2038 ms 108.162.195.37
139 2026-08-12 18:13 639221549052016282
24 ms 172.64.35.37
138 2026-08-12 18:13 639221549052016282
24 ms 162.159.44.37
137 2026-08-12 18:13 639221549052016282
24 ms 108.162.195.37
136 2026-08-12 17:19 639221517673834934
2017 ms 172.64.35.37
135 2026-08-12 17:19 639221517673834934
2017 ms 108.162.195.37
134 2026-08-12 17:19 639221517673834934
2017 ms 162.159.44.37
133 2026-08-12 17:04 639221508282311633
-
132 2026-08-12 16:48 639221498786324983
47 ms 108.162.195.37
131 2026-08-12 16:48 639221498786324983
47 ms 162.159.44.37
130 2026-08-12 16:48 639221498786324983
47 ms 172.64.35.37
129 2026-08-12 16:32 639221489157589737
4019 ms 162.159.44.37
128 2026-08-12 16:32 639221489157589737
4019 ms 108.162.195.37
127 2026-08-12 16:32 639221489157589737
4019 ms 172.64.35.37
126 2026-08-12 15:40 639221457655914645
9 ms 108.162.195.37
125 2026-08-12 15:40 639221457655914645
9 ms 162.159.44.37
124 2026-08-12 15:40 639221457655914645
9 ms 172.64.35.37
123 2026-08-12 15:24 639221448164090526
31 ms 172.64.35.37
122 2026-08-12 15:24 639221448164090526
31 ms 108.162.195.37
121 2026-08-12 15:24 639221448164090526
31 ms 162.159.44.37
120 2026-08-12 15:08 639221438725783630
9 ms 108.162.195.37
119 2026-08-12 15:08 639221438725783630
9 ms 162.159.44.37
118 2026-08-12 15:08 639221438725783630
9 ms 172.64.35.37
117 2026-08-12 14:52 639221429178071087
42 ms 108.162.195.37
116 2026-08-12 14:52 639221429178071087
42 ms 162.159.44.37
115 2026-08-12 14:52 639221429178071087
42 ms 172.64.35.37
114 2026-08-12 14:00 639221397761278719
5 ms 108.162.195.37
113 2026-08-12 14:00 639221397761278719
5 ms 162.159.44.37
112 2026-08-12 14:00 639221397761278719
5 ms 172.64.35.37
111 2026-08-12 13:44 639221388200567278
5 ms 108.162.195.37
110 2026-08-12 13:44 639221388200567278
5 ms 162.159.44.37
109 2026-08-12 13:44 639221388200567278
5 ms 172.64.35.37
108 2026-08-12 13:27 639221378483570949
36 ms 108.162.195.37
107 2026-08-12 13:27 639221378483570949
36 ms 162.159.44.37
106 2026-08-12 13:27 639221378483570949
36 ms 172.64.35.37
105 2026-08-12 13:11 639221368872360139
55 ms 162.159.44.37
104 2026-08-12 13:11 639221368872360139
55 ms 108.162.195.37
103 2026-08-12 13:11 639221368872360139
55 ms 172.64.35.37
102 2026-08-12 12:18 639221337226647415
46 ms 108.162.195.37
101 2026-08-12 12:18 639221337226647415
46 ms 162.159.44.37
100 2026-08-12 12:18 639221337226647415
46 ms 172.64.35.37
99 2026-08-12 12:03 639221327924087446
30 ms 108.162.195.37
98 2026-08-12 12:03 639221327924087446
30 ms 162.159.44.37
97 2026-08-12 12:03 639221327924087446
30 ms 172.64.35.37
96 2026-08-12 11:47 639221318096976375
38 ms 108.162.195.37
95 2026-08-12 11:47 639221318096976375
38 ms 162.159.44.37
94 2026-08-12 11:47 639221318096976375
38 ms 172.64.35.37
93 2026-08-12 11:30 639221308343145274
4 ms 108.162.195.37
92 2026-08-12 11:30 639221308343145274
4 ms 162.159.44.37
91 2026-08-12 11:30 639221308343145274
4 ms 172.64.35.37
90 2026-08-12 10:38 639221277089610470
66 ms 108.162.195.37
89 2026-08-12 10:38 639221277089610470
66 ms 172.64.35.37
88 2026-08-12 10:38 639221277089610470
66 ms 162.159.44.37
87 2026-08-12 10:23 639221267628136359
5 ms 108.162.195.37
86 2026-08-12 10:23 639221267628136359
5 ms 162.159.44.37
85 2026-08-12 10:23 639221267628136359
5 ms 172.64.35.37
84 2026-08-12 10:06 639221257907569952
5 ms 108.162.195.37
83 2026-08-12 10:06 639221257907569952
5 ms 162.159.44.37
82 2026-08-12 10:06 639221257907569952
5 ms 172.64.35.37
81 2026-08-12 09:50 639221248402420965
2010 ms 108.162.195.37
80 2026-08-12 09:50 639221248402420965
2010 ms 172.64.35.37
79 2026-08-12 09:50 639221248402420965
2010 ms 162.159.44.37
78 2026-08-12 08:58 639221216797540533
30 ms 108.162.195.37
77 2026-08-12 08:58 639221216797540533
30 ms 162.159.44.37
76 2026-08-12 08:58 639221216797540533
30 ms 172.64.35.37
75 2026-08-12 08:42 639221207385792352
37 ms 162.159.44.37
74 2026-08-12 08:42 639221207385792352
37 ms 172.64.35.37
73 2026-08-12 08:42 639221207385792352
37 ms 108.162.195.37
72 2026-08-12 08:27 639221198078534844
2029 ms 162.159.44.37
71 2026-08-12 08:27 639221198078534844
2029 ms 172.64.35.37
70 2026-08-12 08:27 639221198078534844
2029 ms 108.162.195.37
69 2026-08-12 08:11 639221188677585577
4 ms 108.162.195.37
68 2026-08-12 08:11 639221188677585577
4 ms 162.159.44.37
67 2026-08-12 08:11 639221188677585577
4 ms 172.64.35.37
66 2026-08-12 07:19 639221157276484143
22 ms 108.162.195.37
65 2026-08-12 07:19 639221157276484143
22 ms 162.159.44.37
64 2026-08-12 07:19 639221157276484143
22 ms 172.64.35.37
63 2026-08-12 07:03 639221147876262183
6 ms 108.162.195.37
62 2026-08-12 07:03 639221147876262183
6 ms 162.159.44.37
61 2026-08-12 07:03 639221147876262183
6 ms 172.64.35.37
60 2026-08-12 06:47 639221138388812469
53 ms 162.159.44.37
59 2026-08-12 06:47 639221138388812469
53 ms 172.64.35.37
58 2026-08-12 06:47 639221138388812469
53 ms 108.162.195.37
57 2026-08-12 06:32 639221128987381118
18 ms 108.162.195.37
56 2026-08-12 06:32 639221128987381118
18 ms 162.159.44.37
55 2026-08-12 06:32 639221128987381118
18 ms 172.64.35.37
54 2026-08-12 05:40 639221097816416095
23 ms 108.162.195.37
53 2026-08-12 05:40 639221097816416095
23 ms 162.159.44.37
52 2026-08-12 05:40 639221097816416095
23 ms 172.64.35.37
51 2026-08-12 05:24 639221088508065616
16 ms 108.162.195.37
50 2026-08-12 05:24 639221088508065616
16 ms 162.159.44.37
49 2026-08-12 05:24 639221088508065616
16 ms 172.64.35.37
48 2026-08-12 05:09 639221079092308503
66 ms 108.162.195.37
47 2026-08-12 05:09 639221079092308503
66 ms 162.159.44.37
46 2026-08-12 05:09 639221079092308503
66 ms 172.64.35.37
45 2026-08-12 04:53 639221069595873597
28 ms 108.162.195.37
44 2026-08-12 04:53 639221069595873597
28 ms 162.159.44.37
43 2026-08-12 04:53 639221069595873597
28 ms 172.64.35.37
42 2026-08-12 04:01 639221038601577496
76 ms 108.162.195.37
41 2026-08-12 04:01 639221038601577496
76 ms 162.159.44.37
40 2026-08-12 04:01 639221038601577496
76 ms 172.64.35.37
39 2026-08-12 03:46 639221029533901299
27 ms 108.162.195.37
38 2026-08-12 03:46 639221029533901299
27 ms 162.159.44.37
37 2026-08-12 03:46 639221029533901299
27 ms 172.64.35.37
36 2026-08-12 03:30 639221020333828965
2018 ms 172.64.35.37
35 2026-08-12 03:30 639221020333828965
2018 ms 108.162.195.37
34 2026-08-12 03:30 639221020333828965
2018 ms 162.159.44.37
33 2026-08-12 03:15 639221011110510484
474 ms 162.159.44.37
32 2026-08-12 03:15 639221011110510484
474 ms 172.64.35.37
31 2026-08-12 03:15 639221011110510484
474 ms 108.162.195.37
30 2026-08-12 02:23 639220979815209769
36 ms 108.162.195.37
29 2026-08-12 02:23 639220979815209769
36 ms 162.159.44.37
28 2026-08-12 02:23 639220979815209769
36 ms 172.64.35.37
27 2026-08-12 02:08 639220970971410921
33 ms 108.162.195.37
26 2026-08-12 02:08 639220970971410921
33 ms 162.159.44.37
25 2026-08-12 02:08 639220970971410921
33 ms 172.64.35.37
24 2026-08-12 01:53 639220961848982361
30 ms 108.162.195.37
23 2026-08-12 01:53 639220961848982361
30 ms 162.159.44.37
22 2026-08-12 01:53 639220961848982361
30 ms 172.64.35.37
21 2026-08-12 01:38 639220952784591501
26 ms 108.162.195.37
20 2026-08-12 01:38 639220952784591501
26 ms 162.159.44.37
19 2026-08-12 01:38 639220952784591501
26 ms 172.64.35.37
18 2026-08-12 01:23 639220943893596731
61 ms 162.159.44.37
17 2026-08-12 01:23 639220943893596731
61 ms 172.64.35.37
16 2026-08-12 01:23 639220943893596731
61 ms 108.162.195.37
15 2026-08-12 01:08 639220934954704520
5 ms 108.162.195.37
14 2026-08-12 01:08 639220934954704520
5 ms 162.159.44.37
13 2026-08-12 01:08 639220934954704520
5 ms 172.64.35.37
12 2026-08-12 00:53 639220925792457751
11 ms 108.162.195.37
11 2026-08-12 00:53 639220925792457751
11 ms 162.159.44.37
10 2026-08-12 00:53 639220925792457751
11 ms 172.64.35.37
9 2026-08-12 00:37 639220916610063538
13 ms 108.162.195.37
8 2026-08-12 00:37 639220916610063538
13 ms 162.159.44.37
7 2026-08-12 00:37 639220916610063538
13 ms 172.64.35.37
6 2026-08-12 00:22 639220907229361754
23 ms 162.159.44.37
5 2026-08-12 00:22 639220907229361754
23 ms 172.64.35.37
4 2026-08-12 00:22 639220907229361754
23 ms 108.162.195.37
3 2026-08-12 00:06 639220897896762127
2025 ms 108.162.195.37
2 2026-08-12 00:06 639220897896762127
2025 ms 172.64.35.37
1 2026-08-12 00:06 639220897896762127
2025 ms 162.159.44.37