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 2026-08-23. For this date, NameServerHistory found 225 DNS check records, 225 successful responses, 0 failed responses, and 241 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

225

Historical checks stored for this nameserver on selected date

Average Latency

241 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-23 23:46

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

225

Checks that returned a measurable response

Failed Responses

0

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 2026-08-23 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
225 2026-08-23 23:46 639231254406598736
2032 ms 172.64.35.37
224 2026-08-23 23:46 639231254406598736
2032 ms 108.162.195.37
223 2026-08-23 23:46 639231254406598736
2032 ms 162.159.44.37
222 2026-08-23 23:30 639231244697865594
28 ms 172.64.35.37
221 2026-08-23 23:30 639231244697865594
28 ms 162.159.44.37
220 2026-08-23 23:30 639231244697865594
28 ms 108.162.195.37
219 2026-08-23 23:13 639231234893504693
16 ms 108.162.195.37
218 2026-08-23 23:13 639231234893504693
16 ms 172.64.35.37
217 2026-08-23 23:13 639231234893504693
16 ms 162.159.44.37
216 2026-08-23 22:57 639231225024549139
17 ms 108.162.195.37
215 2026-08-23 22:57 639231225024549139
17 ms 172.64.35.37
214 2026-08-23 22:57 639231225024549139
17 ms 162.159.44.37
213 2026-08-23 22:40 639231214931957622
11 ms 108.162.195.37
212 2026-08-23 22:40 639231214931957622
11 ms 162.159.44.37
211 2026-08-23 22:40 639231214931957622
11 ms 172.64.35.37
210 2026-08-23 22:23 639231204962010549
70 ms 108.162.195.37
209 2026-08-23 22:23 639231204962010549
70 ms 162.159.44.37
208 2026-08-23 22:23 639231204962010549
70 ms 172.64.35.37
207 2026-08-23 22:07 639231195170138463
4 ms 108.162.195.37
206 2026-08-23 22:07 639231195170138463
4 ms 162.159.44.37
205 2026-08-23 22:07 639231195170138463
4 ms 172.64.35.37
204 2026-08-23 21:50 639231185235020577
54 ms 172.64.35.37
203 2026-08-23 21:50 639231185235020577
54 ms 108.162.195.37
202 2026-08-23 21:50 639231185235020577
54 ms 162.159.44.37
201 2026-08-23 21:34 639231175558690075
2040 ms 108.162.195.37
200 2026-08-23 21:34 639231175558690075
2040 ms 172.64.35.37
199 2026-08-23 21:34 639231175558690075
2040 ms 162.159.44.37
198 2026-08-23 21:18 639231165610444012
40 ms 162.159.44.37
197 2026-08-23 21:18 639231165610444012
40 ms 108.162.195.37
196 2026-08-23 21:18 639231165610444012
40 ms 172.64.35.37
195 2026-08-23 20:25 639231133806425363
16 ms 108.162.195.37
194 2026-08-23 20:25 639231133806425363
16 ms 162.159.44.37
193 2026-08-23 20:25 639231133806425363
16 ms 172.64.35.37
192 2026-08-23 20:09 639231124203758023
43 ms 108.162.195.37
191 2026-08-23 20:09 639231124203758023
43 ms 172.64.35.37
190 2026-08-23 20:09 639231124203758023
43 ms 162.159.44.37
189 2026-08-23 19:52 639231114428262706
53 ms 162.159.44.37
188 2026-08-23 19:52 639231114428262706
53 ms 108.162.195.37
187 2026-08-23 19:52 639231114428262706
53 ms 172.64.35.37
186 2026-08-23 19:36 639231104662480065
3 ms 108.162.195.37
185 2026-08-23 19:36 639231104662480065
3 ms 162.159.44.37
184 2026-08-23 19:36 639231104662480065
3 ms 172.64.35.37
183 2026-08-23 19:20 639231094840372018
8 ms 162.159.44.37
182 2026-08-23 19:20 639231094840372018
8 ms 172.64.35.37
181 2026-08-23 19:20 639231094840372018
8 ms 108.162.195.37
180 2026-08-23 19:03 639231085024583224
7 ms 108.162.195.37
179 2026-08-23 19:03 639231085024583224
7 ms 172.64.35.37
178 2026-08-23 19:03 639231085024583224
7 ms 162.159.44.37
177 2026-08-23 18:47 639231075257417427
5 ms 108.162.195.37
176 2026-08-23 18:47 639231075257417427
5 ms 162.159.44.37
175 2026-08-23 18:47 639231075257417427
5 ms 172.64.35.37
174 2026-08-23 18:31 639231065516009503
6 ms 108.162.195.37
173 2026-08-23 18:31 639231065516009503
6 ms 162.159.44.37
172 2026-08-23 18:31 639231065516009503
6 ms 172.64.35.37
171 2026-08-23 18:15 639231055805348837
8 ms 108.162.195.37
170 2026-08-23 18:15 639231055805348837
8 ms 162.159.44.37
169 2026-08-23 18:15 639231055805348837
8 ms 172.64.35.37
168 2026-08-23 17:58 639231045980373765
20 ms 108.162.195.37
167 2026-08-23 17:58 639231045980373765
20 ms 172.64.35.37
166 2026-08-23 17:58 639231045980373765
20 ms 162.159.44.37
165 2026-08-23 17:42 639231035984577527
38 ms 108.162.195.37
164 2026-08-23 17:42 639231035984577527
38 ms 162.159.44.37
163 2026-08-23 17:42 639231035984577527
38 ms 172.64.35.37
162 2026-08-23 17:25 639231025928115303
30 ms 172.64.35.37
161 2026-08-23 17:25 639231025928115303
30 ms 162.159.44.37
160 2026-08-23 17:25 639231025928115303
30 ms 108.162.195.37
159 2026-08-23 16:32 639230994250157583
6 ms 108.162.195.37
158 2026-08-23 16:32 639230994250157583
6 ms 162.159.44.37
157 2026-08-23 16:32 639230994250157583
6 ms 172.64.35.37
156 2026-08-23 16:16 639230984476411369
38 ms 108.162.195.37
155 2026-08-23 16:16 639230984476411369
38 ms 162.159.44.37
154 2026-08-23 16:16 639230984476411369
38 ms 172.64.35.37
153 2026-08-23 16:00 639230974838373450
2007 ms 108.162.195.37
152 2026-08-23 16:00 639230974838373450
2007 ms 172.64.35.37
151 2026-08-23 16:00 639230974838373450
2007 ms 162.159.44.37
150 2026-08-23 15:44 639230965244277645
2031 ms 172.64.35.37
149 2026-08-23 15:44 639230965244277645
2031 ms 162.159.44.37
148 2026-08-23 15:44 639230965244277645
2031 ms 108.162.195.37
147 2026-08-23 15:28 639230955522101820
16 ms 108.162.195.37
146 2026-08-23 15:28 639230955522101820
16 ms 162.159.44.37
145 2026-08-23 15:28 639230955522101820
16 ms 172.64.35.37
144 2026-08-23 15:11 639230945754521603
497 ms 172.64.35.37
143 2026-08-23 15:11 639230945754521603
497 ms 162.159.44.37
142 2026-08-23 15:11 639230945754521603
497 ms 108.162.195.37
141 2026-08-23 14:55 639230935852040504
33 ms 162.159.44.37
140 2026-08-23 14:55 639230935852040504
33 ms 108.162.195.37
139 2026-08-23 14:55 639230935852040504
33 ms 172.64.35.37
138 2026-08-23 14:39 639230926222061048
2058 ms 172.64.35.37
137 2026-08-23 14:39 639230926222061048
2058 ms 162.159.44.37
136 2026-08-23 14:39 639230926222061048
2058 ms 108.162.195.37
135 2026-08-23 14:22 639230916449726907
3 ms 108.162.195.37
134 2026-08-23 14:22 639230916449726907
3 ms 162.159.44.37
133 2026-08-23 14:22 639230916449726907
3 ms 172.64.35.37
132 2026-08-23 14:06 639230906595053086
9 ms 108.162.195.37
131 2026-08-23 14:06 639230906595053086
9 ms 162.159.44.37
130 2026-08-23 14:06 639230906595053086
9 ms 172.64.35.37
129 2026-08-23 13:49 639230896680429441
4 ms 108.162.195.37
128 2026-08-23 13:49 639230896680429441
4 ms 162.159.44.37
127 2026-08-23 13:49 639230896680429441
4 ms 172.64.35.37
126 2026-08-23 13:33 639230886630210965
24 ms 172.64.35.37
125 2026-08-23 13:33 639230886630210965
24 ms 162.159.44.37
124 2026-08-23 13:33 639230886630210965
24 ms 108.162.195.37
123 2026-08-23 12:41 639230855430405719
8 ms 162.159.44.37
122 2026-08-23 12:41 639230855430405719
8 ms 108.162.195.37
121 2026-08-23 12:41 639230855430405719
8 ms 172.64.35.37
120 2026-08-23 12:25 639230845707499136
33 ms 108.162.195.37
119 2026-08-23 12:25 639230845707499136
33 ms 162.159.44.37
118 2026-08-23 12:25 639230845707499136
33 ms 172.64.35.37
117 2026-08-23 12:09 639230836186805419
5 ms 108.162.195.37
116 2026-08-23 12:09 639230836186805419
5 ms 162.159.44.37
115 2026-08-23 12:09 639230836186805419
5 ms 172.64.35.37
114 2026-08-23 11:53 639230826493828316
43 ms 108.162.195.37
113 2026-08-23 11:53 639230826493828316
43 ms 162.159.44.37
112 2026-08-23 11:53 639230826493828316
43 ms 172.64.35.37
111 2026-08-23 11:36 639230816817882996
33 ms 172.64.35.37
110 2026-08-23 11:36 639230816817882996
33 ms 162.159.44.37
109 2026-08-23 11:36 639230816817882996
33 ms 108.162.195.37
108 2026-08-23 11:20 639230806933854189
33 ms 172.64.35.37
107 2026-08-23 11:20 639230806933854189
33 ms 162.159.44.37
106 2026-08-23 11:20 639230806933854189
33 ms 108.162.195.37
105 2026-08-23 11:04 639230797120243854
4 ms 108.162.195.37
104 2026-08-23 11:04 639230797120243854
4 ms 162.159.44.37
103 2026-08-23 11:04 639230797120243854
4 ms 172.64.35.37
102 2026-08-23 10:47 639230787310272840
3 ms 108.162.195.37
101 2026-08-23 10:47 639230787310272840
3 ms 162.159.44.37
100 2026-08-23 10:47 639230787310272840
3 ms 172.64.35.37
99 2026-08-23 10:31 639230777600173142
7 ms 108.162.195.37
98 2026-08-23 10:31 639230777600173142
7 ms 172.64.35.37
97 2026-08-23 10:31 639230777600173142
7 ms 162.159.44.37
96 2026-08-23 10:14 639230767665024593
2012 ms 108.162.195.37
95 2026-08-23 10:14 639230767665024593
2012 ms 162.159.44.37
94 2026-08-23 10:14 639230767665024593
2012 ms 172.64.35.37
93 2026-08-23 09:58 639230757720962293
32 ms 108.162.195.37
92 2026-08-23 09:58 639230757720962293
32 ms 162.159.44.37
91 2026-08-23 09:58 639230757720962293
32 ms 172.64.35.37
90 2026-08-23 09:41 639230747722189784
15 ms 162.159.44.37
89 2026-08-23 09:41 639230747722189784
15 ms 108.162.195.37
88 2026-08-23 09:41 639230747722189784
15 ms 172.64.35.37
87 2026-08-23 08:49 639230716313923480
7 ms 108.162.195.37
86 2026-08-23 08:49 639230716313923480
7 ms 172.64.35.37
85 2026-08-23 08:49 639230716313923480
7 ms 162.159.44.37
84 2026-08-23 08:33 639230706813835990
26 ms 108.162.195.37
83 2026-08-23 08:33 639230706813835990
26 ms 162.159.44.37
82 2026-08-23 08:33 639230706813835990
26 ms 172.64.35.37
81 2026-08-23 08:16 639230696871062203
5 ms 108.162.195.37
80 2026-08-23 08:16 639230696871062203
5 ms 162.159.44.37
79 2026-08-23 08:16 639230696871062203
5 ms 172.64.35.37
78 2026-08-23 08:00 639230687142781616
5 ms 108.162.195.37
77 2026-08-23 08:00 639230687142781616
5 ms 162.159.44.37
76 2026-08-23 08:00 639230687142781616
5 ms 172.64.35.37
75 2026-08-23 07:44 639230677432142227
49 ms 172.64.35.37
74 2026-08-23 07:44 639230677432142227
49 ms 162.159.44.37
73 2026-08-23 07:44 639230677432142227
49 ms 108.162.195.37
72 2026-08-23 07:28 639230667686258061
26 ms 162.159.44.37
71 2026-08-23 07:28 639230667686258061
26 ms 108.162.195.37
70 2026-08-23 07:28 639230667686258061
26 ms 172.64.35.37
69 2026-08-23 07:12 639230658039243685
41 ms 108.162.195.37
68 2026-08-23 07:12 639230658039243685
41 ms 162.159.44.37
67 2026-08-23 07:12 639230658039243685
41 ms 172.64.35.37
66 2026-08-23 06:56 639230648468473803
19 ms 108.162.195.37
65 2026-08-23 06:56 639230648468473803
19 ms 162.159.44.37
64 2026-08-23 06:56 639230648468473803
19 ms 172.64.35.37
63 2026-08-23 06:40 639230638829658294
11 ms 108.162.195.37
62 2026-08-23 06:40 639230638829658294
11 ms 162.159.44.37
61 2026-08-23 06:40 639230638829658294
11 ms 172.64.35.37
60 2026-08-23 06:24 639230629247017617
30 ms 108.162.195.37
59 2026-08-23 06:24 639230629247017617
30 ms 162.159.44.37
58 2026-08-23 06:24 639230629247017617
30 ms 172.64.35.37
57 2026-08-23 06:08 639230619625318239
4 ms 108.162.195.37
56 2026-08-23 06:08 639230619625318239
4 ms 162.159.44.37
55 2026-08-23 06:08 639230619625318239
4 ms 172.64.35.37
54 2026-08-23 05:51 639230609697630264
2016 ms 162.159.44.37
53 2026-08-23 05:51 639230609697630264
2016 ms 108.162.195.37
52 2026-08-23 05:51 639230609697630264
2016 ms 172.64.35.37
51 2026-08-23 04:59 639230578570131864
7 ms 108.162.195.37
50 2026-08-23 04:59 639230578570131864
7 ms 162.159.44.37
49 2026-08-23 04:59 639230578570131864
7 ms 172.64.35.37
48 2026-08-23 04:43 639230568958963168
37 ms 172.64.35.37
47 2026-08-23 04:43 639230568958963168
37 ms 108.162.195.37
46 2026-08-23 04:43 639230568958963168
37 ms 162.159.44.37
45 2026-08-23 04:27 639230559287611211
7 ms 108.162.195.37
44 2026-08-23 04:27 639230559287611211
7 ms 162.159.44.37
43 2026-08-23 04:27 639230559287611211
7 ms 172.64.35.37
42 2026-08-23 04:11 639230549524312030
30 ms 108.162.195.37
41 2026-08-23 04:11 639230549524312030
30 ms 162.159.44.37
40 2026-08-23 04:11 639230549524312030
30 ms 172.64.35.37
39 2026-08-23 03:55 639230539739801669
13 ms 108.162.195.37
38 2026-08-23 03:55 639230539739801669
13 ms 162.159.44.37
37 2026-08-23 03:55 639230539739801669
13 ms 172.64.35.37
36 2026-08-23 03:39 639230530084069375
27 ms 108.162.195.37
35 2026-08-23 03:39 639230530084069375
27 ms 162.159.44.37
34 2026-08-23 03:39 639230530084069375
27 ms 172.64.35.37
33 2026-08-23 03:22 639230520362691441
31 ms 108.162.195.37
32 2026-08-23 03:22 639230520362691441
31 ms 162.159.44.37
31 2026-08-23 03:22 639230520362691441
31 ms 172.64.35.37
30 2026-08-23 03:06 639230510677194518
2010 ms 172.64.35.37
29 2026-08-23 03:06 639230510677194518
2010 ms 162.159.44.37
28 2026-08-23 03:06 639230510677194518
2010 ms 108.162.195.37
27 2026-08-23 02:50 639230501156002646
3 ms 108.162.195.37
26 2026-08-23 02:50 639230501156002646
3 ms 162.159.44.37
25 2026-08-23 02:50 639230501156002646
3 ms 172.64.35.37
24 2026-08-23 02:34 639230491502198541
4 ms 108.162.195.37
23 2026-08-23 02:34 639230491502198541
4 ms 162.159.44.37
22 2026-08-23 02:34 639230491502198541
4 ms 172.64.35.37
21 2026-08-23 02:18 639230481860318494
4 ms 108.162.195.37
20 2026-08-23 02:18 639230481860318494
4 ms 162.159.44.37
19 2026-08-23 02:18 639230481860318494
4 ms 172.64.35.37
18 2026-08-23 02:02 639230471893008575
8 ms 108.162.195.37
17 2026-08-23 02:02 639230471893008575
8 ms 162.159.44.37
16 2026-08-23 02:02 639230471893008575
8 ms 172.64.35.37
15 2026-08-23 01:08 639230440030877421
18 ms 172.64.35.37
14 2026-08-23 01:08 639230440030877421
18 ms 162.159.44.37
13 2026-08-23 01:08 639230440030877421
18 ms 108.162.195.37
12 2026-08-23 00:52 639230430479725508
51 ms 108.162.195.37
11 2026-08-23 00:52 639230430479725508
51 ms 162.159.44.37
10 2026-08-23 00:52 639230430479725508
51 ms 172.64.35.37
9 2026-08-23 00:37 639230420875160219
33 ms 162.159.44.37
8 2026-08-23 00:37 639230420875160219
33 ms 108.162.195.37
7 2026-08-23 00:37 639230420875160219
33 ms 172.64.35.37
6 2026-08-23 00:20 639230411240692575
6 ms 108.162.195.37
5 2026-08-23 00:20 639230411240692575
6 ms 162.159.44.37
4 2026-08-23 00:20 639230411240692575
6 ms 172.64.35.37
3 2026-08-23 00:04 639230401550806607
9 ms 108.162.195.37
2 2026-08-23 00:04 639230401550806607
9 ms 162.159.44.37
1 2026-08-23 00:04 639230401550806607
9 ms 172.64.35.37