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 2026-08-16. For this date, NameServerHistory found 178 DNS check records, 177 successful responses, 1 failed responses, and 228 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

178

Historical checks stored for this nameserver on selected date

Average Latency

228 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-16 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

177

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 2026-08-16 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
178 2026-08-16 23:48 639225207490611656
2011 ms 108.162.195.37
177 2026-08-16 23:48 639225207490611656
2011 ms 172.64.35.37
176 2026-08-16 23:48 639225207490611656
2011 ms 162.159.44.37
175 2026-08-16 23:32 639225198045815385
16 ms 162.159.44.37
174 2026-08-16 23:32 639225198045815385
16 ms 172.64.35.37
173 2026-08-16 23:32 639225198045815385
16 ms 108.162.195.37
172 2026-08-16 22:40 639225166825544741
45 ms 162.159.44.37
171 2026-08-16 22:40 639225166825544741
45 ms 172.64.35.37
170 2026-08-16 22:40 639225166825544741
45 ms 108.162.195.37
169 2026-08-16 22:24 639225157549461269
79 ms 108.162.195.37
168 2026-08-16 22:24 639225157549461269
79 ms 162.159.44.37
167 2026-08-16 22:24 639225157549461269
79 ms 172.64.35.37
166 2026-08-16 22:08 639225147914556308
48 ms 108.162.195.37
165 2026-08-16 22:08 639225147914556308
48 ms 162.159.44.37
164 2026-08-16 22:08 639225147914556308
48 ms 172.64.35.37
163 2026-08-16 21:52 639225138472322960
5 ms 108.162.195.37
162 2026-08-16 21:52 639225138472322960
5 ms 162.159.44.37
161 2026-08-16 21:52 639225138472322960
5 ms 172.64.35.37
160 2026-08-16 21:00 639225107211236826
44 ms 108.162.195.37
159 2026-08-16 21:00 639225107211236826
44 ms 162.159.44.37
158 2026-08-16 21:00 639225107211236826
44 ms 172.64.35.37
157 2026-08-16 20:45 639225097684457510
36 ms 108.162.195.37
156 2026-08-16 20:45 639225097684457510
36 ms 162.159.44.37
155 2026-08-16 20:45 639225097684457510
36 ms 172.64.35.37
154 2026-08-16 20:28 639225087942913396
68 ms 108.162.195.37
153 2026-08-16 20:28 639225087942913396
68 ms 162.159.44.37
152 2026-08-16 20:28 639225087942913396
68 ms 172.64.35.37
151 2026-08-16 20:12 639225078238684183
8 ms 108.162.195.37
150 2026-08-16 20:12 639225078238684183
8 ms 162.159.44.37
149 2026-08-16 20:12 639225078238684183
8 ms 172.64.35.37
148 2026-08-16 19:20 639225046944151094
36 ms 108.162.195.37
147 2026-08-16 19:20 639225046944151094
36 ms 162.159.44.37
146 2026-08-16 19:20 639225046944151094
36 ms 172.64.35.37
145 2026-08-16 19:04 639225037234857231
29 ms 108.162.195.37
144 2026-08-16 19:04 639225037234857231
29 ms 162.159.44.37
143 2026-08-16 19:04 639225037234857231
29 ms 172.64.35.37
142 2026-08-16 18:47 639225027423459920
29 ms 108.162.195.37
141 2026-08-16 18:47 639225027423459920
29 ms 162.159.44.37
140 2026-08-16 18:47 639225027423459920
29 ms 172.64.35.37
139 2026-08-16 18:32 639225017891613027
83 ms 108.162.195.37
138 2026-08-16 18:32 639225017891613027
83 ms 162.159.44.37
137 2026-08-16 18:32 639225017891613027
83 ms 172.64.35.37
136 2026-08-16 17:39 639224986298183527
3 ms 108.162.195.37
135 2026-08-16 17:39 639224986298183527
3 ms 162.159.44.37
134 2026-08-16 17:39 639224986298183527
3 ms 172.64.35.37
133 2026-08-16 17:23 639224976567107023
-
132 2026-08-16 17:06 639224966709723386
18 ms 172.64.35.37
131 2026-08-16 17:06 639224966709723386
18 ms 162.159.44.37
130 2026-08-16 17:06 639224966709723386
18 ms 108.162.195.37
129 2026-08-16 16:50 639224957175756942
19 ms 108.162.195.37
128 2026-08-16 16:50 639224957175756942
19 ms 162.159.44.37
127 2026-08-16 16:50 639224957175756942
19 ms 172.64.35.37
126 2026-08-16 15:58 639224925782379869
8 ms 108.162.195.37
125 2026-08-16 15:58 639224925782379869
8 ms 162.159.44.37
124 2026-08-16 15:58 639224925782379869
8 ms 172.64.35.37
123 2026-08-16 15:42 639224916429532459
2034 ms 108.162.195.37
122 2026-08-16 15:42 639224916429532459
2034 ms 162.159.44.37
121 2026-08-16 15:42 639224916429532459
2034 ms 172.64.35.37
120 2026-08-16 15:26 639224906878325623
31 ms 108.162.195.37
119 2026-08-16 15:26 639224906878325623
31 ms 172.64.35.37
118 2026-08-16 15:26 639224906878325623
31 ms 162.159.44.37
117 2026-08-16 15:10 639224897258974385
13 ms 108.162.195.37
116 2026-08-16 15:10 639224897258974385
13 ms 162.159.44.37
115 2026-08-16 15:10 639224897258974385
13 ms 172.64.35.37
114 2026-08-16 14:19 639224866169532828
5 ms 108.162.195.37
113 2026-08-16 14:19 639224866169532828
5 ms 162.159.44.37
112 2026-08-16 14:19 639224866169532828
5 ms 172.64.35.37
111 2026-08-16 14:02 639224856561831915
6 ms 108.162.195.37
110 2026-08-16 14:02 639224856561831915
6 ms 162.159.44.37
109 2026-08-16 14:02 639224856561831915
6 ms 172.64.35.37
108 2026-08-16 13:46 639224846830897794
11 ms 108.162.195.37
107 2026-08-16 13:46 639224846830897794
11 ms 162.159.44.37
106 2026-08-16 13:46 639224846830897794
11 ms 172.64.35.37
105 2026-08-16 13:30 639224836975863283
27 ms 162.159.44.37
104 2026-08-16 13:30 639224836975863283
27 ms 172.64.35.37
103 2026-08-16 13:30 639224836975863283
27 ms 108.162.195.37
102 2026-08-16 12:37 639224804985340946
2048 ms 108.162.195.37
101 2026-08-16 12:37 639224804985340946
2048 ms 162.159.44.37
100 2026-08-16 12:37 639224804985340946
2048 ms 172.64.35.37
99 2026-08-16 12:21 639224795567782333
8 ms 108.162.195.37
98 2026-08-16 12:21 639224795567782333
8 ms 162.159.44.37
97 2026-08-16 12:21 639224795567782333
8 ms 172.64.35.37
96 2026-08-16 12:05 639224785914225250
4 ms 108.162.195.37
95 2026-08-16 12:05 639224785914225250
4 ms 162.159.44.37
94 2026-08-16 12:05 639224785914225250
4 ms 172.64.35.37
93 2026-08-16 11:49 639224776383854998
45 ms 108.162.195.37
92 2026-08-16 11:49 639224776383854998
45 ms 172.64.35.37
91 2026-08-16 11:49 639224776383854998
45 ms 162.159.44.37
90 2026-08-16 10:55 639224744252113993
11 ms 172.64.35.37
89 2026-08-16 10:55 639224744252113993
11 ms 162.159.44.37
88 2026-08-16 10:55 639224744252113993
11 ms 108.162.195.37
87 2026-08-16 10:39 639224734238905542
2037 ms 162.159.44.37
86 2026-08-16 10:39 639224734238905542
2037 ms 172.64.35.37
85 2026-08-16 10:39 639224734238905542
2037 ms 108.162.195.37
84 2026-08-16 10:22 639224724335031221
17 ms 108.162.195.37
83 2026-08-16 10:22 639224724335031221
17 ms 172.64.35.37
82 2026-08-16 10:22 639224724335031221
17 ms 162.159.44.37
81 2026-08-16 10:06 639224714475244430
6 ms 108.162.195.37
80 2026-08-16 10:06 639224714475244430
6 ms 162.159.44.37
79 2026-08-16 10:06 639224714475244430
6 ms 172.64.35.37
78 2026-08-16 09:10 639224681063874153
17 ms 108.162.195.37
77 2026-08-16 09:10 639224681063874153
17 ms 162.159.44.37
76 2026-08-16 09:10 639224681063874153
17 ms 172.64.35.37
75 2026-08-16 08:53 639224671038956665
42 ms 108.162.195.37
74 2026-08-16 08:53 639224671038956665
42 ms 162.159.44.37
73 2026-08-16 08:53 639224671038956665
42 ms 172.64.35.37
72 2026-08-16 08:37 639224661079806122
10 ms 172.64.35.37
71 2026-08-16 08:37 639224661079806122
10 ms 162.159.44.37
70 2026-08-16 08:37 639224661079806122
10 ms 108.162.195.37
69 2026-08-16 08:20 639224651169993038
22 ms 108.162.195.37
68 2026-08-16 08:20 639224651169993038
22 ms 162.159.44.37
67 2026-08-16 08:20 639224651169993038
22 ms 172.64.35.37
66 2026-08-16 07:27 639224618882283050
3 ms 108.162.195.37
65 2026-08-16 07:27 639224618882283050
3 ms 162.159.44.37
64 2026-08-16 07:27 639224618882283050
3 ms 172.64.35.37
63 2026-08-16 07:11 639224609519965372
8 ms 172.64.35.37
62 2026-08-16 07:11 639224609519965372
8 ms 108.162.195.37
61 2026-08-16 07:11 639224609519965372
8 ms 162.159.44.37
60 2026-08-16 06:55 639224599969658888
36 ms 172.64.35.37
59 2026-08-16 06:55 639224599969658888
36 ms 108.162.195.37
58 2026-08-16 06:55 639224599969658888
36 ms 162.159.44.37
57 2026-08-16 06:39 639224590360343307
22 ms 108.162.195.37
56 2026-08-16 06:39 639224590360343307
22 ms 162.159.44.37
55 2026-08-16 06:39 639224590360343307
22 ms 172.64.35.37
54 2026-08-16 05:47 639224558901831832
24 ms 108.162.195.37
53 2026-08-16 05:47 639224558901831832
24 ms 172.64.35.37
52 2026-08-16 05:47 639224558901831832
24 ms 162.159.44.37
51 2026-08-16 05:31 639224549678210576
14 ms 172.64.35.37
50 2026-08-16 05:31 639224549678210576
14 ms 108.162.195.37
49 2026-08-16 05:31 639224549678210576
14 ms 162.159.44.37
48 2026-08-16 05:16 639224540433420642
42 ms 108.162.195.37
47 2026-08-16 05:16 639224540433420642
42 ms 162.159.44.37
46 2026-08-16 05:16 639224540433420642
42 ms 172.64.35.37
45 2026-08-16 05:00 639224531046032443
4 ms 108.162.195.37
44 2026-08-16 05:00 639224531046032443
4 ms 162.159.44.37
43 2026-08-16 05:00 639224531046032443
4 ms 172.64.35.37
42 2026-08-16 04:08 639224499638024410
33 ms 108.162.195.37
41 2026-08-16 04:08 639224499638024410
33 ms 162.159.44.37
40 2026-08-16 04:08 639224499638024410
33 ms 172.64.35.37
39 2026-08-16 03:53 639224490358783451
28 ms 172.64.35.37
38 2026-08-16 03:53 639224490358783451
28 ms 162.159.44.37
37 2026-08-16 03:53 639224490358783451
28 ms 108.162.195.37
36 2026-08-16 03:37 639224481111410545
54 ms 162.159.44.37
35 2026-08-16 03:37 639224481111410545
54 ms 108.162.195.37
34 2026-08-16 03:37 639224481111410545
54 ms 172.64.35.37
33 2026-08-16 03:22 639224471809153772
10 ms 172.64.35.37
32 2026-08-16 03:22 639224471809153772
10 ms 108.162.195.37
31 2026-08-16 03:22 639224471809153772
10 ms 162.159.44.37
30 2026-08-16 02:29 639224440124457324
2025 ms 172.64.35.37
29 2026-08-16 02:29 639224440124457324
2025 ms 108.162.195.37
28 2026-08-16 02:29 639224440124457324
2025 ms 162.159.44.37
27 2026-08-16 02:14 639224430921105721
36 ms 108.162.195.37
26 2026-08-16 02:14 639224430921105721
36 ms 172.64.35.37
25 2026-08-16 02:14 639224430921105721
36 ms 162.159.44.37
24 2026-08-16 01:58 639224421455433103
38 ms 172.64.35.37
23 2026-08-16 01:58 639224421455433103
38 ms 108.162.195.37
22 2026-08-16 01:58 639224421455433103
38 ms 162.159.44.37
21 2026-08-16 01:42 639224412089740331
22 ms 108.162.195.37
20 2026-08-16 01:42 639224412089740331
22 ms 162.159.44.37
19 2026-08-16 01:42 639224412089740331
22 ms 172.64.35.37
18 2026-08-16 01:27 639224403168392868
3 ms 108.162.195.37
17 2026-08-16 01:27 639224403168392868
3 ms 162.159.44.37
16 2026-08-16 01:27 639224403168392868
3 ms 172.64.35.37
15 2026-08-16 01:12 639224393856251387
6 ms 108.162.195.37
14 2026-08-16 01:12 639224393856251387
6 ms 162.159.44.37
13 2026-08-16 01:12 639224393856251387
6 ms 172.64.35.37
12 2026-08-16 00:56 639224384677141438
32 ms 108.162.195.37
11 2026-08-16 00:56 639224384677141438
32 ms 172.64.35.37
10 2026-08-16 00:56 639224384677141438
32 ms 162.159.44.37
9 2026-08-16 00:41 639224375597986398
33 ms 108.162.195.37
8 2026-08-16 00:41 639224375597986398
33 ms 162.159.44.37
7 2026-08-16 00:41 639224375597986398
33 ms 172.64.35.37
6 2026-08-16 00:26 639224366430296466
4 ms 108.162.195.37
5 2026-08-16 00:26 639224366430296466
4 ms 162.159.44.37
4 2026-08-16 00:26 639224366430296466
4 ms 172.64.35.37
3 2026-08-16 00:10 639224357218176789
2009 ms 108.162.195.37
2 2026-08-16 00:10 639224357218176789
2009 ms 162.159.44.37
1 2026-08-16 00:10 639224357218176789
2009 ms 172.64.35.37