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 2026-08-21. For this date, NameServerHistory found 217 DNS check records, 216 successful responses, 1 failed responses, and 244 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

217

Historical checks stored for this nameserver on selected date

Average Latency

244 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-21 23:48

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

216

Checks that returned a measurable response

Failed Responses

1

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 mack.ns.cloudflare.com

Showing DNS history for 2026-08-21 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
217 2026-08-21 23:48 639229527598660841
2015 ms 108.162.195.37
216 2026-08-21 23:48 639229527598660841
2015 ms 162.159.44.37
215 2026-08-21 23:48 639229527598660841
2015 ms 172.64.35.37
214 2026-08-21 23:32 639229517954323214
20 ms 108.162.195.37
213 2026-08-21 23:32 639229517954323214
20 ms 162.159.44.37
212 2026-08-21 23:32 639229517954323214
20 ms 172.64.35.37
211 2026-08-21 23:15 639229508269999021
2018 ms 172.64.35.37
210 2026-08-21 23:15 639229508269999021
2018 ms 162.159.44.37
209 2026-08-21 23:15 639229508269999021
2018 ms 108.162.195.37
208 2026-08-21 22:59 639229498559060171
7 ms 108.162.195.37
207 2026-08-21 22:59 639229498559060171
7 ms 162.159.44.37
206 2026-08-21 22:59 639229498559060171
7 ms 172.64.35.37
205 2026-08-21 22:43 639229488519347586
45 ms 108.162.195.37
204 2026-08-21 22:43 639229488519347586
45 ms 162.159.44.37
203 2026-08-21 22:43 639229488519347586
45 ms 172.64.35.37
202 2026-08-21 21:49 639229456606578934
26 ms 162.159.44.37
201 2026-08-21 21:49 639229456606578934
26 ms 172.64.35.37
200 2026-08-21 21:49 639229456606578934
26 ms 108.162.195.37
199 2026-08-21 21:33 639229446985772499
36 ms 108.162.195.37
198 2026-08-21 21:33 639229446985772499
36 ms 162.159.44.37
197 2026-08-21 21:33 639229446985772499
36 ms 172.64.35.37
196 2026-08-21 21:17 639229437367313098
39 ms 162.159.44.37
195 2026-08-21 21:17 639229437367313098
39 ms 172.64.35.37
194 2026-08-21 21:17 639229437367313098
39 ms 108.162.195.37
193 2026-08-21 21:02 639229427923950391
4012 ms 108.162.195.37
192 2026-08-21 21:02 639229427923950391
4012 ms 172.64.35.37
191 2026-08-21 21:02 639229427923950391
4012 ms 162.159.44.37
190 2026-08-21 20:45 639229418168588854
2016 ms 172.64.35.37
189 2026-08-21 20:45 639229418168588854
2016 ms 162.159.44.37
188 2026-08-21 20:45 639229418168588854
2016 ms 108.162.195.37
187 2026-08-21 20:29 639229408345678334
22 ms 172.64.35.37
186 2026-08-21 20:29 639229408345678334
22 ms 108.162.195.37
185 2026-08-21 20:29 639229408345678334
22 ms 162.159.44.37
184 2026-08-21 20:13 639229398616354648
41 ms 172.64.35.37
183 2026-08-21 20:13 639229398616354648
41 ms 108.162.195.37
182 2026-08-21 20:13 639229398616354648
41 ms 162.159.44.37
181 2026-08-21 19:56 639229388634592323
67 ms 108.162.195.37
180 2026-08-21 19:56 639229388634592323
67 ms 162.159.44.37
179 2026-08-21 19:56 639229388634592323
67 ms 172.64.35.37
178 2026-08-21 19:40 639229378792837692
5 ms 108.162.195.37
177 2026-08-21 19:40 639229378792837692
5 ms 162.159.44.37
176 2026-08-21 19:40 639229378792837692
5 ms 172.64.35.37
175 2026-08-21 19:24 639229369154682311
27 ms 108.162.195.37
174 2026-08-21 19:24 639229369154682311
27 ms 162.159.44.37
173 2026-08-21 19:24 639229369154682311
27 ms 172.64.35.37
172 2026-08-21 19:07 639229359248017926
11 ms 162.159.44.37
171 2026-08-21 19:07 639229359248017926
11 ms 108.162.195.37
170 2026-08-21 19:07 639229359248017926
11 ms 172.64.35.37
169 2026-08-21 18:50 639229349124294642
19 ms 108.162.195.37
168 2026-08-21 18:50 639229349124294642
19 ms 162.159.44.37
167 2026-08-21 18:50 639229349124294642
19 ms 172.64.35.37
166 2026-08-21 17:58 639229317791715692
10 ms 108.162.195.37
165 2026-08-21 17:58 639229317791715692
10 ms 162.159.44.37
164 2026-08-21 17:58 639229317791715692
10 ms 172.64.35.37
163 2026-08-21 17:42 639229308115194575
38 ms 108.162.195.37
162 2026-08-21 17:42 639229308115194575
38 ms 162.159.44.37
161 2026-08-21 17:42 639229308115194575
38 ms 172.64.35.37
160 2026-08-21 17:26 639229298320320558
37 ms 108.162.195.37
159 2026-08-21 17:26 639229298320320558
37 ms 162.159.44.37
158 2026-08-21 17:26 639229298320320558
37 ms 172.64.35.37
157 2026-08-21 17:10 639229288674863221
6 ms 108.162.195.37
156 2026-08-21 17:10 639229288674863221
6 ms 162.159.44.37
155 2026-08-21 17:10 639229288674863221
6 ms 172.64.35.37
154 2026-08-21 16:53 639229278983677079
7 ms 108.162.195.37
153 2026-08-21 16:53 639229278983677079
7 ms 162.159.44.37
152 2026-08-21 16:53 639229278983677079
7 ms 172.64.35.37
151 2026-08-21 16:37 639229269405517175
5 ms 108.162.195.37
150 2026-08-21 16:37 639229269405517175
5 ms 162.159.44.37
149 2026-08-21 16:37 639229269405517175
5 ms 172.64.35.37
148 2026-08-21 16:21 639229259594798244
42 ms 108.162.195.37
147 2026-08-21 16:21 639229259594798244
42 ms 162.159.44.37
146 2026-08-21 16:21 639229259594798244
42 ms 172.64.35.37
145 2026-08-21 16:05 639229249736681188
6 ms 108.162.195.37
144 2026-08-21 16:05 639229249736681188
6 ms 162.159.44.37
143 2026-08-21 16:05 639229249736681188
6 ms 172.64.35.37
142 2026-08-21 15:48 639229239699417787
29 ms 172.64.35.37
141 2026-08-21 15:48 639229239699417787
29 ms 108.162.195.37
140 2026-08-21 15:48 639229239699417787
29 ms 162.159.44.37
139 2026-08-21 15:31 639229229621964033
12 ms 108.162.195.37
138 2026-08-21 15:31 639229229621964033
12 ms 162.159.44.37
137 2026-08-21 15:31 639229229621964033
12 ms 172.64.35.37
136 2026-08-21 15:14 639229219567270965
7 ms 172.64.35.37
135 2026-08-21 15:14 639229219567270965
7 ms 108.162.195.37
134 2026-08-21 15:14 639229219567270965
7 ms 162.159.44.37
133 2026-08-21 14:57 639229209406666856
21 ms 108.162.195.37
132 2026-08-21 14:57 639229209406666856
21 ms 162.159.44.37
131 2026-08-21 14:57 639229209406666856
21 ms 172.64.35.37
130 2026-08-21 14:05 639229177815876178
32 ms 162.159.44.37
129 2026-08-21 14:05 639229177815876178
32 ms 172.64.35.37
128 2026-08-21 14:05 639229177815876178
32 ms 108.162.195.37
127 2026-08-21 13:49 639229168243572685
7 ms 172.64.35.37
126 2026-08-21 13:49 639229168243572685
7 ms 162.159.44.37
125 2026-08-21 13:49 639229168243572685
7 ms 108.162.195.37
124 2026-08-21 13:33 639229158599856475
6 ms 108.162.195.37
123 2026-08-21 13:33 639229158599856475
6 ms 162.159.44.37
122 2026-08-21 13:33 639229158599856475
6 ms 172.64.35.37
121 2026-08-21 13:17 639229148998940902
35 ms 172.64.35.37
120 2026-08-21 13:17 639229148998940902
35 ms 108.162.195.37
119 2026-08-21 13:17 639229148998940902
35 ms 162.159.44.37
118 2026-08-21 13:01 639229139276923594
20 ms 108.162.195.37
117 2026-08-21 13:01 639229139276923594
20 ms 172.64.35.37
116 2026-08-21 13:01 639229139276923594
20 ms 162.159.44.37
115 2026-08-21 12:45 639229129709912394
10 ms 162.159.44.37
114 2026-08-21 12:45 639229129709912394
10 ms 108.162.195.37
113 2026-08-21 12:45 639229129709912394
10 ms 172.64.35.37
112 2026-08-21 12:28 639229119801488500
34 ms 172.64.35.37
111 2026-08-21 12:28 639229119801488500
34 ms 108.162.195.37
110 2026-08-21 12:28 639229119801488500
34 ms 162.159.44.37
109 2026-08-21 12:12 639229110135262458
14 ms 108.162.195.37
108 2026-08-21 12:12 639229110135262458
14 ms 162.159.44.37
107 2026-08-21 12:12 639229110135262458
14 ms 172.64.35.37
106 2026-08-21 11:56 639229100336051392
30 ms 108.162.195.37
105 2026-08-21 11:56 639229100336051392
30 ms 162.159.44.37
104 2026-08-21 11:56 639229100336051392
30 ms 172.64.35.37
103 2026-08-21 11:39 639229090641415626
2009 ms 108.162.195.37
102 2026-08-21 11:39 639229090641415626
2009 ms 172.64.35.37
101 2026-08-21 11:39 639229090641415626
2009 ms 162.159.44.37
100 2026-08-21 11:23 639229080702683947
4 ms 108.162.195.37
99 2026-08-21 11:23 639229080702683947
4 ms 162.159.44.37
98 2026-08-21 11:23 639229080702683947
4 ms 172.64.35.37
97 2026-08-21 11:06 639229070601456699
10 ms 108.162.195.37
96 2026-08-21 11:06 639229070601456699
10 ms 162.159.44.37
95 2026-08-21 11:06 639229070601456699
10 ms 172.64.35.37
94 2026-08-21 10:13 639229038947447232
26 ms 108.162.195.37
93 2026-08-21 10:13 639229038947447232
26 ms 162.159.44.37
92 2026-08-21 10:13 639229038947447232
26 ms 172.64.35.37
91 2026-08-21 09:57 639229029268708773
34 ms 162.159.44.37
90 2026-08-21 09:57 639229029268708773
34 ms 172.64.35.37
89 2026-08-21 09:57 639229029268708773
34 ms 108.162.195.37
88 2026-08-21 09:41 639229019647910603
3 ms 108.162.195.37
87 2026-08-21 09:41 639229019647910603
3 ms 162.159.44.37
86 2026-08-21 09:41 639229019647910603
3 ms 172.64.35.37
85 2026-08-21 09:25 639229009983843738
-
84 2026-08-21 09:09 639229000203331882
10 ms 108.162.195.37
83 2026-08-21 09:09 639229000203331882
10 ms 162.159.44.37
82 2026-08-21 09:09 639229000203331882
10 ms 172.64.35.37
81 2026-08-21 08:52 639228990302335999
38 ms 108.162.195.37
80 2026-08-21 08:52 639228990302335999
38 ms 162.159.44.37
79 2026-08-21 08:52 639228990302335999
38 ms 172.64.35.37
78 2026-08-21 08:36 639228980567740722
42 ms 108.162.195.37
77 2026-08-21 08:36 639228980567740722
42 ms 162.159.44.37
76 2026-08-21 08:36 639228980567740722
42 ms 172.64.35.37
75 2026-08-21 08:20 639228970762445174
26 ms 172.64.35.37
74 2026-08-21 08:20 639228970762445174
26 ms 162.159.44.37
73 2026-08-21 08:20 639228970762445174
26 ms 108.162.195.37
72 2026-08-21 08:03 639228961065054445
31 ms 108.162.195.37
71 2026-08-21 08:03 639228961065054445
31 ms 162.159.44.37
70 2026-08-21 08:03 639228961065054445
31 ms 172.64.35.37
69 2026-08-21 07:47 639228951224649885
2087 ms 172.64.35.37
68 2026-08-21 07:47 639228951224649885
2087 ms 162.159.44.37
67 2026-08-21 07:47 639228951224649885
2087 ms 108.162.195.37
66 2026-08-21 07:30 639228941303864592
11 ms 172.64.35.37
65 2026-08-21 07:30 639228941303864592
11 ms 108.162.195.37
64 2026-08-21 07:30 639228941303864592
11 ms 162.159.44.37
63 2026-08-21 07:14 639228931191328583
8 ms 108.162.195.37
62 2026-08-21 07:14 639228931191328583
8 ms 162.159.44.37
61 2026-08-21 07:14 639228931191328583
8 ms 172.64.35.37
60 2026-08-21 06:21 639228899518173317
4 ms 108.162.195.37
59 2026-08-21 06:21 639228899518173317
4 ms 162.159.44.37
58 2026-08-21 06:21 639228899518173317
4 ms 172.64.35.37
57 2026-08-21 06:05 639228889785027669
20 ms 108.162.195.37
56 2026-08-21 06:05 639228889785027669
20 ms 162.159.44.37
55 2026-08-21 06:05 639228889785027669
20 ms 172.64.35.37
54 2026-08-21 05:49 639228880106330161
4 ms 108.162.195.37
53 2026-08-21 05:49 639228880106330161
4 ms 162.159.44.37
52 2026-08-21 05:49 639228880106330161
4 ms 172.64.35.37
51 2026-08-21 05:32 639228870316184091
13 ms 172.64.35.37
50 2026-08-21 05:32 639228870316184091
13 ms 162.159.44.37
49 2026-08-21 05:32 639228870316184091
13 ms 108.162.195.37
48 2026-08-21 05:16 639228860695366512
61 ms 108.162.195.37
47 2026-08-21 05:16 639228860695366512
61 ms 162.159.44.37
46 2026-08-21 05:16 639228860695366512
61 ms 172.64.35.37
45 2026-08-21 05:00 639228851027209500
18 ms 108.162.195.37
44 2026-08-21 05:00 639228851027209500
18 ms 162.159.44.37
43 2026-08-21 05:00 639228851027209500
18 ms 172.64.35.37
42 2026-08-21 04:44 639228841479265462
17 ms 108.162.195.37
41 2026-08-21 04:44 639228841479265462
17 ms 172.64.35.37
40 2026-08-21 04:44 639228841479265462
17 ms 162.159.44.37
39 2026-08-21 04:28 639228831752962260
21 ms 108.162.195.37
38 2026-08-21 04:28 639228831752962260
21 ms 162.159.44.37
37 2026-08-21 04:28 639228831752962260
21 ms 172.64.35.37
36 2026-08-21 04:12 639228821953295483
7 ms 108.162.195.37
35 2026-08-21 04:12 639228821953295483
7 ms 172.64.35.37
34 2026-08-21 04:12 639228821953295483
7 ms 162.159.44.37
33 2026-08-21 03:55 639228812227429953
39 ms 108.162.195.37
32 2026-08-21 03:55 639228812227429953
39 ms 172.64.35.37
31 2026-08-21 03:55 639228812227429953
39 ms 162.159.44.37
30 2026-08-21 03:39 639228802476107538
7 ms 108.162.195.37
29 2026-08-21 03:39 639228802476107538
7 ms 172.64.35.37
28 2026-08-21 03:39 639228802476107538
7 ms 162.159.44.37
27 2026-08-21 03:23 639228792525492032
39 ms 108.162.195.37
26 2026-08-21 03:23 639228792525492032
39 ms 172.64.35.37
25 2026-08-21 03:23 639228792525492032
39 ms 162.159.44.37
24 2026-08-21 02:30 639228761131421385
2018 ms 172.64.35.37
23 2026-08-21 02:30 639228761131421385
2018 ms 162.159.44.37
22 2026-08-21 02:30 639228761131421385
2018 ms 108.162.195.37
21 2026-08-21 02:14 639228751571206692
14 ms 172.64.35.37
20 2026-08-21 02:14 639228751571206692
14 ms 108.162.195.37
19 2026-08-21 02:14 639228751571206692
14 ms 162.159.44.37
18 2026-08-21 01:58 639228741705571019
39 ms 108.162.195.37
17 2026-08-21 01:58 639228741705571019
39 ms 172.64.35.37
16 2026-08-21 01:58 639228741705571019
39 ms 162.159.44.37
15 2026-08-21 01:41 639228731642208228
37 ms 108.162.195.37
14 2026-08-21 01:41 639228731642208228
37 ms 162.159.44.37
13 2026-08-21 01:41 639228731642208228
37 ms 172.64.35.37
12 2026-08-21 00:49 639228700387002072
14 ms 162.159.44.37
11 2026-08-21 00:49 639228700387002072
14 ms 108.162.195.37
10 2026-08-21 00:49 639228700387002072
14 ms 172.64.35.37
9 2026-08-21 00:33 639228690742014433
9 ms 108.162.195.37
8 2026-08-21 00:33 639228690742014433
9 ms 172.64.35.37
7 2026-08-21 00:33 639228690742014433
9 ms 162.159.44.37
6 2026-08-21 00:17 639228680877937122
33 ms 172.64.35.37
5 2026-08-21 00:17 639228680877937122
33 ms 162.159.44.37
4 2026-08-21 00:17 639228680877937122
33 ms 108.162.195.37
3 2026-08-21 00:00 639228670775860800
6 ms 108.162.195.37
2 2026-08-21 00:00 639228670775860800
6 ms 162.159.44.37
1 2026-08-21 00:00 639228670775860800
6 ms 172.64.35.37