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 2026-08-20. For this date, NameServerHistory found 166 DNS check records, 165 successful responses, 1 failed responses, and 276 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

166

Historical checks stored for this nameserver on selected date

Average Latency

276 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-20 23:08

All timestamps shown in UTC

Latest Resolved IP on Selected Date

108.162.195.37

Most recently resolved hosting IP on selected date

Successful Responses

165

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 2026-08-20 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
166 2026-08-20 23:08 639228639850033448
4 ms 108.162.195.37
165 2026-08-20 23:08 639228639850033448
4 ms 162.159.44.37
164 2026-08-20 23:08 639228639850033448
4 ms 172.64.35.37
163 2026-08-20 22:52 639228630204271870
9 ms 172.64.35.37
162 2026-08-20 22:52 639228630204271870
9 ms 108.162.195.37
161 2026-08-20 22:52 639228630204271870
9 ms 162.159.44.37
160 2026-08-20 22:36 639228620295091135
54 ms 108.162.195.37
159 2026-08-20 22:36 639228620295091135
54 ms 162.159.44.37
158 2026-08-20 22:36 639228620295091135
54 ms 172.64.35.37
157 2026-08-20 22:19 639228610298336915
9 ms 108.162.195.37
156 2026-08-20 22:19 639228610298336915
9 ms 162.159.44.37
155 2026-08-20 22:19 639228610298336915
9 ms 172.64.35.37
154 2026-08-20 21:27 639228578917047616
2015 ms 108.162.195.37
153 2026-08-20 21:27 639228578917047616
2015 ms 172.64.35.37
152 2026-08-20 21:27 639228578917047616
2015 ms 162.159.44.37
151 2026-08-20 21:10 639228569046445709
12 ms 108.162.195.37
150 2026-08-20 21:10 639228569046445709
12 ms 172.64.35.37
149 2026-08-20 21:10 639228569046445709
12 ms 162.159.44.37
148 2026-08-20 20:53 639228558946830986
2019 ms 172.64.35.37
147 2026-08-20 20:53 639228558946830986
2019 ms 108.162.195.37
146 2026-08-20 20:53 639228558946830986
2019 ms 162.159.44.37
145 2026-08-20 20:37 639228548977359217
3 ms 108.162.195.37
144 2026-08-20 20:37 639228548977359217
3 ms 162.159.44.37
143 2026-08-20 20:37 639228548977359217
3 ms 172.64.35.37
142 2026-08-20 19:44 639228517494157668
58 ms 108.162.195.37
141 2026-08-20 19:44 639228517494157668
58 ms 162.159.44.37
140 2026-08-20 19:44 639228517494157668
58 ms 172.64.35.37
139 2026-08-20 19:27 639228507374116892
47 ms 108.162.195.37
138 2026-08-20 19:27 639228507374116892
47 ms 162.159.44.37
137 2026-08-20 19:27 639228507374116892
47 ms 172.64.35.37
136 2026-08-20 19:11 639228497315154893
5 ms 108.162.195.37
135 2026-08-20 19:11 639228497315154893
5 ms 162.159.44.37
134 2026-08-20 19:11 639228497315154893
5 ms 172.64.35.37
133 2026-08-20 18:54 639228487287648341
5 ms 108.162.195.37
132 2026-08-20 18:54 639228487287648341
5 ms 162.159.44.37
131 2026-08-20 18:54 639228487287648341
5 ms 172.64.35.37
130 2026-08-20 18:01 639228455828123788
14 ms 172.64.35.37
129 2026-08-20 18:01 639228455828123788
14 ms 108.162.195.37
128 2026-08-20 18:01 639228455828123788
14 ms 162.159.44.37
127 2026-08-20 17:45 639228445900082244
45 ms 162.159.44.37
126 2026-08-20 17:45 639228445900082244
45 ms 108.162.195.37
125 2026-08-20 17:45 639228445900082244
45 ms 172.64.35.37
124 2026-08-20 17:28 639228435866352323
9 ms 172.64.35.37
123 2026-08-20 17:28 639228435866352323
9 ms 108.162.195.37
122 2026-08-20 17:28 639228435866352323
9 ms 162.159.44.37
121 2026-08-20 17:11 639228425802273151
39 ms 108.162.195.37
120 2026-08-20 17:11 639228425802273151
39 ms 162.159.44.37
119 2026-08-20 17:11 639228425802273151
39 ms 172.64.35.37
118 2026-08-20 16:18 639228393616324230
2025 ms 108.162.195.37
117 2026-08-20 16:18 639228393616324230
2025 ms 172.64.35.37
116 2026-08-20 16:18 639228393616324230
2025 ms 162.159.44.37
115 2026-08-20 16:01 639228383590408693
35 ms 108.162.195.37
114 2026-08-20 16:01 639228383590408693
35 ms 162.159.44.37
113 2026-08-20 16:01 639228383590408693
35 ms 172.64.35.37
112 2026-08-20 15:44 639228373471467474
2017 ms 162.159.44.37
111 2026-08-20 15:44 639228373471467474
2017 ms 172.64.35.37
110 2026-08-20 15:44 639228373471467474
2017 ms 108.162.195.37
109 2026-08-20 15:27 639228363426647311
27 ms 108.162.195.37
108 2026-08-20 15:27 639228363426647311
27 ms 162.159.44.37
107 2026-08-20 15:27 639228363426647311
27 ms 172.64.35.37
106 2026-08-20 14:34 639228331681701910
50 ms 108.162.195.37
105 2026-08-20 14:34 639228331681701910
50 ms 172.64.35.37
104 2026-08-20 14:34 639228331681701910
50 ms 162.159.44.37
103 2026-08-20 14:18 639228321714746824
22 ms 172.64.35.37
102 2026-08-20 14:18 639228321714746824
22 ms 108.162.195.37
101 2026-08-20 14:18 639228321714746824
22 ms 162.159.44.37
100 2026-08-20 14:01 639228311652090262
13 ms 172.64.35.37
99 2026-08-20 14:01 639228311652090262
13 ms 162.159.44.37
98 2026-08-20 14:01 639228311652090262
13 ms 108.162.195.37
97 2026-08-20 13:44 639228301670088587
36 ms 108.162.195.37
96 2026-08-20 13:44 639228301670088587
36 ms 172.64.35.37
95 2026-08-20 13:44 639228301670088587
36 ms 162.159.44.37
94 2026-08-20 12:52 639228269987976710
5 ms 108.162.195.37
93 2026-08-20 12:52 639228269987976710
5 ms 162.159.44.37
92 2026-08-20 12:52 639228269987976710
5 ms 172.64.35.37
91 2026-08-20 12:35 639228260009452308
11 ms 108.162.195.37
90 2026-08-20 12:35 639228260009452308
11 ms 162.159.44.37
89 2026-08-20 12:35 639228260009452308
11 ms 172.64.35.37
88 2026-08-20 12:18 639228249661740894
25 ms 108.162.195.37
87 2026-08-20 12:18 639228249661740894
25 ms 162.159.44.37
86 2026-08-20 12:18 639228249661740894
25 ms 172.64.35.37
85 2026-08-20 12:01 639228239552680346
29 ms 108.162.195.37
84 2026-08-20 12:01 639228239552680346
29 ms 162.159.44.37
83 2026-08-20 12:01 639228239552680346
29 ms 172.64.35.37
82 2026-08-20 11:08 639228207667580819
37 ms 108.162.195.37
81 2026-08-20 11:08 639228207667580819
37 ms 162.159.44.37
80 2026-08-20 11:08 639228207667580819
37 ms 172.64.35.37
79 2026-08-20 10:51 639228197494011560
2019 ms 172.64.35.37
78 2026-08-20 10:51 639228197494011560
2019 ms 162.159.44.37
77 2026-08-20 10:51 639228197494011560
2019 ms 108.162.195.37
76 2026-08-20 10:34 639228187497039939
5 ms 108.162.195.37
75 2026-08-20 10:34 639228187497039939
5 ms 162.159.44.37
74 2026-08-20 10:34 639228187497039939
5 ms 172.64.35.37
73 2026-08-20 10:17 639228177408432646
26 ms 172.64.35.37
72 2026-08-20 10:17 639228177408432646
26 ms 108.162.195.37
71 2026-08-20 10:17 639228177408432646
26 ms 162.159.44.37
70 2026-08-20 09:26 639228146356166262
8 ms 108.162.195.37
69 2026-08-20 09:26 639228146356166262
8 ms 162.159.44.37
68 2026-08-20 09:26 639228146356166262
8 ms 172.64.35.37
67 2026-08-20 09:09 639228136541505712
-
66 2026-08-20 08:53 639228126519136598
5 ms 108.162.195.37
65 2026-08-20 08:53 639228126519136598
5 ms 162.159.44.37
64 2026-08-20 08:53 639228126519136598
5 ms 172.64.35.37
63 2026-08-20 08:36 639228116537148885
36 ms 108.162.195.37
62 2026-08-20 08:36 639228116537148885
36 ms 162.159.44.37
61 2026-08-20 08:36 639228116537148885
36 ms 172.64.35.37
60 2026-08-20 07:44 639228085320764351
20 ms 108.162.195.37
59 2026-08-20 07:44 639228085320764351
20 ms 162.159.44.37
58 2026-08-20 07:44 639228085320764351
20 ms 172.64.35.37
57 2026-08-20 07:28 639228075444604839
8 ms 108.162.195.37
56 2026-08-20 07:28 639228075444604839
8 ms 162.159.44.37
55 2026-08-20 07:28 639228075444604839
8 ms 172.64.35.37
54 2026-08-20 07:11 639228065615498985
7 ms 108.162.195.37
53 2026-08-20 07:11 639228065615498985
7 ms 162.159.44.37
52 2026-08-20 07:11 639228065615498985
7 ms 172.64.35.37
51 2026-08-20 06:55 639228055675321422
88 ms 162.159.44.37
50 2026-08-20 06:55 639228055675321422
88 ms 172.64.35.37
49 2026-08-20 06:55 639228055675321422
88 ms 108.162.195.37
48 2026-08-20 06:02 639228024230839396
14 ms 108.162.195.37
47 2026-08-20 06:02 639228024230839396
14 ms 162.159.44.37
46 2026-08-20 06:02 639228024230839396
14 ms 172.64.35.37
45 2026-08-20 05:46 639228014720406505
10 ms 162.159.44.37
44 2026-08-20 05:46 639228014720406505
10 ms 172.64.35.37
43 2026-08-20 05:46 639228014720406505
10 ms 108.162.195.37
42 2026-08-20 05:30 639228004930827030
18 ms 108.162.195.37
41 2026-08-20 05:30 639228004930827030
18 ms 162.159.44.37
40 2026-08-20 05:30 639228004930827030
18 ms 172.64.35.37
39 2026-08-20 05:14 639227995103340154
45 ms 108.162.195.37
38 2026-08-20 05:14 639227995103340154
45 ms 172.64.35.37
37 2026-08-20 05:14 639227995103340154
45 ms 162.159.44.37
36 2026-08-20 04:21 639227963811374894
34 ms 108.162.195.37
35 2026-08-20 04:21 639227963811374894
34 ms 162.159.44.37
34 2026-08-20 04:21 639227963811374894
34 ms 172.64.35.37
33 2026-08-20 04:05 639227954132571365
5 ms 108.162.195.37
32 2026-08-20 04:05 639227954132571365
5 ms 162.159.44.37
31 2026-08-20 04:05 639227954132571365
5 ms 172.64.35.37
30 2026-08-20 03:49 639227944541208342
4 ms 108.162.195.37
29 2026-08-20 03:49 639227944541208342
4 ms 162.159.44.37
28 2026-08-20 03:49 639227944541208342
4 ms 172.64.35.37
27 2026-08-20 03:33 639227934657213484
2004 ms 108.162.195.37
26 2026-08-20 03:33 639227934657213484
2004 ms 162.159.44.37
25 2026-08-20 03:33 639227934657213484
2004 ms 172.64.35.37
24 2026-08-20 02:41 639227903628145469
20 ms 108.162.195.37
23 2026-08-20 02:41 639227903628145469
20 ms 162.159.44.37
22 2026-08-20 02:41 639227903628145469
20 ms 172.64.35.37
21 2026-08-20 02:25 639227893995483475
52 ms 108.162.195.37
20 2026-08-20 02:25 639227893995483475
52 ms 162.159.44.37
19 2026-08-20 02:25 639227893995483475
52 ms 172.64.35.37
18 2026-08-20 02:09 639227884280244209
3 ms 108.162.195.37
17 2026-08-20 02:09 639227884280244209
3 ms 162.159.44.37
16 2026-08-20 02:09 639227884280244209
3 ms 172.64.35.37
15 2026-08-20 01:52 639227874371147132
3 ms 108.162.195.37
14 2026-08-20 01:52 639227874371147132
3 ms 162.159.44.37
13 2026-08-20 01:52 639227874371147132
3 ms 172.64.35.37
12 2026-08-20 01:00 639227843224256432
5 ms 108.162.195.37
11 2026-08-20 01:00 639227843224256432
5 ms 162.159.44.37
10 2026-08-20 01:00 639227843224256432
5 ms 172.64.35.37
9 2026-08-20 00:45 639227833720403506
11 ms 172.64.35.37
8 2026-08-20 00:45 639227833720403506
11 ms 108.162.195.37
7 2026-08-20 00:45 639227833720403506
11 ms 162.159.44.37
6 2026-08-20 00:29 639227824170728278
2032 ms 172.64.35.37
5 2026-08-20 00:29 639227824170728278
2032 ms 108.162.195.37
4 2026-08-20 00:29 639227824170728278
2032 ms 162.159.44.37
3 2026-08-20 00:13 639227814865867570
16 ms 108.162.195.37
2 2026-08-20 00:13 639227814865867570
16 ms 162.159.44.37
1 2026-08-20 00:13 639227814865867570
16 ms 172.64.35.37