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 2026-08-27. For this date, NameServerHistory found 172 DNS check records, 171 successful responses, 1 failed responses, and 267 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

172

Historical checks stored for this nameserver on selected date

Average Latency

267 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-27 18:54

All timestamps shown in UTC

Latest Resolved IP on Selected Date

172.64.35.37

Most recently resolved hosting IP on selected date

Successful Responses

171

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 2026-08-27 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
172 2026-08-27 18:54 639234535255111795
31 ms 172.64.35.37
171 2026-08-27 18:54 639234535255111795
31 ms 162.159.44.37
170 2026-08-27 18:54 639234535255111795
31 ms 108.162.195.37
169 2026-08-27 18:37 639234525107594067
5 ms 108.162.195.37
168 2026-08-27 18:37 639234525107594067
5 ms 162.159.44.37
167 2026-08-27 18:37 639234525107594067
5 ms 172.64.35.37
166 2026-08-27 18:20 639234514890244566
21 ms 108.162.195.37
165 2026-08-27 18:20 639234514890244566
21 ms 162.159.44.37
164 2026-08-27 18:20 639234514890244566
21 ms 172.64.35.37
163 2026-08-27 18:03 639234504745477862
2028 ms 172.64.35.37
162 2026-08-27 18:03 639234504745477862
2028 ms 108.162.195.37
161 2026-08-27 18:03 639234504745477862
2028 ms 162.159.44.37
160 2026-08-27 17:46 639234494449227290
51 ms 172.64.35.37
159 2026-08-27 17:46 639234494449227290
51 ms 162.159.44.37
158 2026-08-27 17:46 639234494449227290
51 ms 108.162.195.37
157 2026-08-27 17:29 639234484118025686
2016 ms 108.162.195.37
156 2026-08-27 17:29 639234484118025686
2016 ms 162.159.44.37
155 2026-08-27 17:29 639234484118025686
2016 ms 172.64.35.37
154 2026-08-27 17:11 639234473946362077
23 ms 172.64.35.37
153 2026-08-27 17:11 639234473946362077
23 ms 162.159.44.37
152 2026-08-27 17:11 639234473946362077
23 ms 108.162.195.37
151 2026-08-27 16:55 639234463759124388
2 ms 108.162.195.37
150 2026-08-27 16:55 639234463759124388
2 ms 162.159.44.37
149 2026-08-27 16:55 639234463759124388
2 ms 172.64.35.37
148 2026-08-27 16:37 639234453500759178
10 ms 108.162.195.37
147 2026-08-27 16:37 639234453500759178
10 ms 162.159.44.37
146 2026-08-27 16:37 639234453500759178
10 ms 172.64.35.37
145 2026-08-27 16:20 639234442983541638
23 ms 108.162.195.37
144 2026-08-27 16:20 639234442983541638
23 ms 162.159.44.37
143 2026-08-27 16:20 639234442983541638
23 ms 172.64.35.37
142 2026-08-27 16:02 639234432404354562
52 ms 108.162.195.37
141 2026-08-27 16:02 639234432404354562
52 ms 162.159.44.37
140 2026-08-27 16:02 639234432404354562
52 ms 172.64.35.37
139 2026-08-27 15:08 639234399767719119
-
138 2026-08-27 14:51 639234389460601485
9 ms 108.162.195.37
137 2026-08-27 14:51 639234389460601485
9 ms 162.159.44.37
136 2026-08-27 14:51 639234389460601485
9 ms 172.64.35.37
135 2026-08-27 14:34 639234379227178707
11 ms 172.64.35.37
134 2026-08-27 14:34 639234379227178707
11 ms 162.159.44.37
133 2026-08-27 14:34 639234379227178707
11 ms 108.162.195.37
132 2026-08-27 14:17 639234369065315214
34 ms 108.162.195.37
131 2026-08-27 14:17 639234369065315214
34 ms 162.159.44.37
130 2026-08-27 14:17 639234369065315214
34 ms 172.64.35.37
129 2026-08-27 14:00 639234358825501576
10 ms 108.162.195.37
128 2026-08-27 14:00 639234358825501576
10 ms 162.159.44.37
127 2026-08-27 14:00 639234358825501576
10 ms 172.64.35.37
126 2026-08-27 13:43 639234348572745268
11 ms 108.162.195.37
125 2026-08-27 13:43 639234348572745268
11 ms 162.159.44.37
124 2026-08-27 13:43 639234348572745268
11 ms 172.64.35.37
123 2026-08-27 13:25 639234338264503481
44 ms 108.162.195.37
122 2026-08-27 13:25 639234338264503481
44 ms 162.159.44.37
121 2026-08-27 13:25 639234338264503481
44 ms 172.64.35.37
120 2026-08-27 13:08 639234327818741376
47 ms 108.162.195.37
119 2026-08-27 13:08 639234327818741376
47 ms 162.159.44.37
118 2026-08-27 13:08 639234327818741376
47 ms 172.64.35.37
117 2026-08-27 12:51 639234317475724313
9 ms 108.162.195.37
116 2026-08-27 12:51 639234317475724313
9 ms 162.159.44.37
115 2026-08-27 12:51 639234317475724313
9 ms 172.64.35.37
114 2026-08-27 12:33 639234307007468133
3 ms 108.162.195.37
113 2026-08-27 12:33 639234307007468133
3 ms 162.159.44.37
112 2026-08-27 12:33 639234307007468133
3 ms 172.64.35.37
111 2026-08-27 12:16 639234296664302575
4 ms 108.162.195.37
110 2026-08-27 12:16 639234296664302575
4 ms 162.159.44.37
109 2026-08-27 12:16 639234296664302575
4 ms 172.64.35.37
108 2026-08-27 11:59 639234286253196126
46 ms 108.162.195.37
107 2026-08-27 11:59 639234286253196126
46 ms 172.64.35.37
106 2026-08-27 11:59 639234286253196126
46 ms 162.159.44.37
105 2026-08-27 11:05 639234253963286387
39 ms 172.64.35.37
104 2026-08-27 11:05 639234253963286387
39 ms 162.159.44.37
103 2026-08-27 11:05 639234253963286387
39 ms 108.162.195.37
102 2026-08-27 10:48 639234243654907465
17 ms 108.162.195.37
101 2026-08-27 10:48 639234243654907465
17 ms 162.159.44.37
100 2026-08-27 10:48 639234243654907465
17 ms 172.64.35.37
99 2026-08-27 10:30 639234233269654413
4 ms 108.162.195.37
98 2026-08-27 10:30 639234233269654413
4 ms 162.159.44.37
97 2026-08-27 10:30 639234233269654413
4 ms 172.64.35.37
96 2026-08-27 10:13 639234222943951923
22 ms 172.64.35.37
95 2026-08-27 10:13 639234222943951923
22 ms 162.159.44.37
94 2026-08-27 10:13 639234222943951923
22 ms 108.162.195.37
93 2026-08-27 09:56 639234212558002823
18 ms 108.162.195.37
92 2026-08-27 09:56 639234212558002823
18 ms 162.159.44.37
91 2026-08-27 09:56 639234212558002823
18 ms 172.64.35.37
90 2026-08-27 09:38 639234202117531850
77 ms 108.162.195.37
89 2026-08-27 09:38 639234202117531850
77 ms 172.64.35.37
88 2026-08-27 09:38 639234202117531850
77 ms 162.159.44.37
87 2026-08-27 09:21 639234191649612722
14 ms 108.162.195.37
86 2026-08-27 09:21 639234191649612722
14 ms 162.159.44.37
85 2026-08-27 09:21 639234191649612722
14 ms 172.64.35.37
84 2026-08-27 09:04 639234181105879568
3 ms 108.162.195.37
83 2026-08-27 09:04 639234181105879568
3 ms 162.159.44.37
82 2026-08-27 09:04 639234181105879568
3 ms 172.64.35.37
81 2026-08-27 08:46 639234170713214496
37 ms 108.162.195.37
80 2026-08-27 08:46 639234170713214496
37 ms 162.159.44.37
79 2026-08-27 08:46 639234170713214496
37 ms 172.64.35.37
78 2026-08-27 08:29 639234160341037652
11 ms 108.162.195.37
77 2026-08-27 08:29 639234160341037652
11 ms 172.64.35.37
76 2026-08-27 08:29 639234160341037652
11 ms 162.159.44.37
75 2026-08-27 08:11 639234149799404224
20 ms 108.162.195.37
74 2026-08-27 08:11 639234149799404224
20 ms 162.159.44.37
73 2026-08-27 08:11 639234149799404224
20 ms 172.64.35.37
72 2026-08-27 07:54 639234139553286469
3 ms 108.162.195.37
71 2026-08-27 07:54 639234139553286469
3 ms 162.159.44.37
70 2026-08-27 07:54 639234139553286469
3 ms 172.64.35.37
69 2026-08-27 07:00 639234107183588293
8 ms 108.162.195.37
68 2026-08-27 07:00 639234107183588293
8 ms 162.159.44.37
67 2026-08-27 07:00 639234107183588293
8 ms 172.64.35.37
66 2026-08-27 06:43 639234096905435724
35 ms 108.162.195.37
65 2026-08-27 06:43 639234096905435724
35 ms 172.64.35.37
64 2026-08-27 06:43 639234096905435724
35 ms 162.159.44.37
63 2026-08-27 06:26 639234086579410775
36 ms 108.162.195.37
62 2026-08-27 06:26 639234086579410775
36 ms 162.159.44.37
61 2026-08-27 06:26 639234086579410775
36 ms 172.64.35.37
60 2026-08-27 06:09 639234076291157956
13 ms 108.162.195.37
59 2026-08-27 06:09 639234076291157956
13 ms 162.159.44.37
58 2026-08-27 06:09 639234076291157956
13 ms 172.64.35.37
57 2026-08-27 05:52 639234065981939454
41 ms 108.162.195.37
56 2026-08-27 05:52 639234065981939454
41 ms 162.159.44.37
55 2026-08-27 05:52 639234065981939454
41 ms 172.64.35.37
54 2026-08-27 05:34 639234055548642997
29 ms 162.159.44.37
53 2026-08-27 05:34 639234055548642997
29 ms 172.64.35.37
52 2026-08-27 05:34 639234055548642997
29 ms 108.162.195.37
51 2026-08-27 05:17 639234045267979603
2012 ms 172.64.35.37
50 2026-08-27 05:17 639234045267979603
2012 ms 108.162.195.37
49 2026-08-27 05:17 639234045267979603
2012 ms 162.159.44.37
48 2026-08-27 05:00 639234034999717463
23 ms 108.162.195.37
47 2026-08-27 05:00 639234034999717463
23 ms 162.159.44.37
46 2026-08-27 05:00 639234034999717463
23 ms 172.64.35.37
45 2026-08-27 04:43 639234024739225358
8 ms 108.162.195.37
44 2026-08-27 04:43 639234024739225358
8 ms 162.159.44.37
43 2026-08-27 04:43 639234024739225358
8 ms 172.64.35.37
42 2026-08-27 04:26 639234014311170162
9 ms 108.162.195.37
41 2026-08-27 04:26 639234014311170162
9 ms 162.159.44.37
40 2026-08-27 04:26 639234014311170162
9 ms 172.64.35.37
39 2026-08-27 04:08 639234003806017640
2007 ms 172.64.35.37
38 2026-08-27 04:08 639234003806017640
2007 ms 108.162.195.37
37 2026-08-27 04:08 639234003806017640
2007 ms 162.159.44.37
36 2026-08-27 03:51 639233993356203030
24 ms 172.64.35.37
35 2026-08-27 03:51 639233993356203030
24 ms 108.162.195.37
34 2026-08-27 03:51 639233993356203030
24 ms 162.159.44.37
33 2026-08-27 02:57 639233961301716608
8 ms 108.162.195.37
32 2026-08-27 02:57 639233961301716608
8 ms 162.159.44.37
31 2026-08-27 02:57 639233961301716608
8 ms 172.64.35.37
30 2026-08-27 02:40 639233950834200647
3 ms 108.162.195.37
29 2026-08-27 02:40 639233950834200647
3 ms 162.159.44.37
28 2026-08-27 02:40 639233950834200647
3 ms 172.64.35.37
27 2026-08-27 02:22 639233940431849026
4 ms 108.162.195.37
26 2026-08-27 02:22 639233940431849026
4 ms 162.159.44.37
25 2026-08-27 02:22 639233940431849026
4 ms 172.64.35.37
24 2026-08-27 02:05 639233930110596398
13 ms 108.162.195.37
23 2026-08-27 02:05 639233930110596398
13 ms 162.159.44.37
22 2026-08-27 02:05 639233930110596398
13 ms 172.64.35.37
21 2026-08-27 01:48 639233919705434540
23 ms 108.162.195.37
20 2026-08-27 01:48 639233919705434540
23 ms 162.159.44.37
19 2026-08-27 01:48 639233919705434540
23 ms 172.64.35.37
18 2026-08-27 01:31 639233909452807845
2030 ms 172.64.35.37
17 2026-08-27 01:31 639233909452807845
2030 ms 108.162.195.37
16 2026-08-27 01:31 639233909452807845
2030 ms 162.159.44.37
15 2026-08-27 01:14 639233899096420820
30 ms 162.159.44.37
14 2026-08-27 01:14 639233899096420820
30 ms 172.64.35.37
13 2026-08-27 01:14 639233899096420820
30 ms 108.162.195.37
12 2026-08-27 00:56 639233888707824939
2032 ms 162.159.44.37
11 2026-08-27 00:56 639233888707824939
2032 ms 172.64.35.37
10 2026-08-27 00:56 639233888707824939
2032 ms 108.162.195.37
9 2026-08-27 00:39 639233878461203802
24 ms 108.162.195.37
8 2026-08-27 00:39 639233878461203802
24 ms 162.159.44.37
7 2026-08-27 00:39 639233878461203802
24 ms 172.64.35.37
6 2026-08-27 00:22 639233868060868209
32 ms 108.162.195.37
5 2026-08-27 00:22 639233868060868209
32 ms 162.159.44.37
4 2026-08-27 00:22 639233868060868209
32 ms 172.64.35.37
3 2026-08-27 00:04 639233857450922991
2008 ms 108.162.195.37
2 2026-08-27 00:04 639233857450922991
2008 ms 162.159.44.37
1 2026-08-27 00:04 639233857450922991
2008 ms 172.64.35.37