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 2026-08-19. For this date, NameServerHistory found 223 DNS check records, 222 successful responses, 1 failed responses, and 349 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

223

Historical checks stored for this nameserver on selected date

Average Latency

349 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-19 23:57

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

222

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 2026-08-19 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
223 2026-08-19 23:57 639227805445376839
25 ms 172.64.35.37
222 2026-08-19 23:57 639227805445376839
25 ms 162.159.44.37
221 2026-08-19 23:57 639227805445376839
25 ms 108.162.195.37
220 2026-08-19 23:42 639227795899225951
43 ms 108.162.195.37
219 2026-08-19 23:42 639227795899225951
43 ms 162.159.44.37
218 2026-08-19 23:42 639227795899225951
43 ms 172.64.35.37
217 2026-08-19 23:26 639227786351762008
2010 ms 162.159.44.37
216 2026-08-19 23:26 639227786351762008
2010 ms 172.64.35.37
215 2026-08-19 23:26 639227786351762008
2010 ms 108.162.195.37
214 2026-08-19 23:09 639227776640591733
69 ms 108.162.195.37
213 2026-08-19 23:09 639227776640591733
69 ms 162.159.44.37
212 2026-08-19 23:09 639227776640591733
69 ms 172.64.35.37
211 2026-08-19 22:54 639227767128841282
5 ms 108.162.195.37
210 2026-08-19 22:54 639227767128841282
5 ms 162.159.44.37
209 2026-08-19 22:54 639227767128841282
5 ms 172.64.35.37
208 2026-08-19 22:38 639227757477304711
19 ms 108.162.195.37
207 2026-08-19 22:38 639227757477304711
19 ms 162.159.44.37
206 2026-08-19 22:38 639227757477304711
19 ms 172.64.35.37
205 2026-08-19 22:21 639227747572098014
2020 ms 172.64.35.37
204 2026-08-19 22:21 639227747572098014
2020 ms 108.162.195.37
203 2026-08-19 22:21 639227747572098014
2020 ms 162.159.44.37
202 2026-08-19 22:04 639227737588613113
17 ms 108.162.195.37
201 2026-08-19 22:04 639227737588613113
17 ms 162.159.44.37
200 2026-08-19 22:04 639227737588613113
17 ms 172.64.35.37
199 2026-08-19 21:12 639227706134603955
-
198 2026-08-19 20:56 639227696589027396
60 ms 162.159.44.37
197 2026-08-19 20:56 639227696589027396
60 ms 108.162.195.37
196 2026-08-19 20:56 639227696589027396
60 ms 172.64.35.37
195 2026-08-19 20:40 639227687097707639
6 ms 108.162.195.37
194 2026-08-19 20:40 639227687097707639
6 ms 162.159.44.37
193 2026-08-19 20:40 639227687097707639
6 ms 172.64.35.37
192 2026-08-19 20:24 639227677474464487
22 ms 108.162.195.37
191 2026-08-19 20:24 639227677474464487
22 ms 162.159.44.37
190 2026-08-19 20:24 639227677474464487
22 ms 172.64.35.37
189 2026-08-19 20:08 639227667767441118
6 ms 108.162.195.37
188 2026-08-19 20:08 639227667767441118
6 ms 162.159.44.37
187 2026-08-19 20:08 639227667767441118
6 ms 172.64.35.37
186 2026-08-19 19:52 639227657984833832
2032 ms 172.64.35.37
185 2026-08-19 19:52 639227657984833832
2032 ms 108.162.195.37
184 2026-08-19 19:52 639227657984833832
2032 ms 162.159.44.37
183 2026-08-19 19:35 639227648079992640
6 ms 108.162.195.37
182 2026-08-19 19:35 639227648079992640
6 ms 162.159.44.37
181 2026-08-19 19:35 639227648079992640
6 ms 172.64.35.37
180 2026-08-19 19:19 639227638125048441
80 ms 162.159.44.37
179 2026-08-19 19:19 639227638125048441
80 ms 108.162.195.37
178 2026-08-19 19:19 639227638125048441
80 ms 172.64.35.37
177 2026-08-19 19:02 639227628211392142
21 ms 108.162.195.37
176 2026-08-19 19:02 639227628211392142
21 ms 162.159.44.37
175 2026-08-19 19:02 639227628211392142
21 ms 172.64.35.37
174 2026-08-19 18:45 639227618261696275
37 ms 108.162.195.37
173 2026-08-19 18:45 639227618261696275
37 ms 162.159.44.37
172 2026-08-19 18:45 639227618261696275
37 ms 172.64.35.37
171 2026-08-19 18:29 639227608366233645
40 ms 108.162.195.37
170 2026-08-19 18:29 639227608366233645
40 ms 162.159.44.37
169 2026-08-19 18:29 639227608366233645
40 ms 172.64.35.37
168 2026-08-19 18:12 639227598301787588
26 ms 172.64.35.37
167 2026-08-19 18:12 639227598301787588
26 ms 108.162.195.37
166 2026-08-19 18:12 639227598301787588
26 ms 162.159.44.37
165 2026-08-19 17:19 639227566241010716
3 ms 108.162.195.37
164 2026-08-19 17:19 639227566241010716
3 ms 162.159.44.37
163 2026-08-19 17:19 639227566241010716
3 ms 172.64.35.37
162 2026-08-19 17:03 639227556454538959
58 ms 108.162.195.37
161 2026-08-19 17:03 639227556454538959
58 ms 162.159.44.37
160 2026-08-19 17:03 639227556454538959
58 ms 172.64.35.37
159 2026-08-19 16:46 639227546640305542
2013 ms 172.64.35.37
158 2026-08-19 16:46 639227546640305542
2013 ms 108.162.195.37
157 2026-08-19 16:46 639227546640305542
2013 ms 162.159.44.37
156 2026-08-19 16:30 639227536965466472
44 ms 108.162.195.37
155 2026-08-19 16:30 639227536965466472
44 ms 162.159.44.37
154 2026-08-19 16:30 639227536965466472
44 ms 172.64.35.37
153 2026-08-19 16:14 639227527048658280
53 ms 162.159.44.37
152 2026-08-19 16:14 639227527048658280
53 ms 172.64.35.37
151 2026-08-19 16:14 639227527048658280
53 ms 108.162.195.37
150 2026-08-19 15:57 639227517386634438
5 ms 108.162.195.37
149 2026-08-19 15:57 639227517386634438
5 ms 162.159.44.37
148 2026-08-19 15:57 639227517386634438
5 ms 172.64.35.37
147 2026-08-19 15:41 639227507459551637
8 ms 108.162.195.37
146 2026-08-19 15:41 639227507459551637
8 ms 162.159.44.37
145 2026-08-19 15:41 639227507459551637
8 ms 172.64.35.37
144 2026-08-19 15:24 639227497515595277
2007 ms 162.159.44.37
143 2026-08-19 15:24 639227497515595277
2007 ms 172.64.35.37
142 2026-08-19 15:24 639227497515595277
2007 ms 108.162.195.37
141 2026-08-19 15:07 639227487441798036
51 ms 108.162.195.37
140 2026-08-19 15:07 639227487441798036
51 ms 162.159.44.37
139 2026-08-19 15:07 639227487441798036
51 ms 172.64.35.37
138 2026-08-19 14:51 639227477445551863
5 ms 108.162.195.37
137 2026-08-19 14:51 639227477445551863
5 ms 162.159.44.37
136 2026-08-19 14:51 639227477445551863
5 ms 172.64.35.37
135 2026-08-19 14:34 639227467297067891
7 ms 108.162.195.37
134 2026-08-19 14:34 639227467297067891
7 ms 162.159.44.37
133 2026-08-19 14:34 639227467297067891
7 ms 172.64.35.37
132 2026-08-19 14:17 639227457057795635
7 ms 172.64.35.37
131 2026-08-19 14:17 639227457057795635
7 ms 162.159.44.37
130 2026-08-19 14:17 639227457057795635
7 ms 108.162.195.37
129 2026-08-19 13:24 639227425244777397
5 ms 108.162.195.37
128 2026-08-19 13:24 639227425244777397
5 ms 162.159.44.37
127 2026-08-19 13:24 639227425244777397
5 ms 172.64.35.37
126 2026-08-19 13:07 639227415422116485
18 ms 108.162.195.37
125 2026-08-19 13:07 639227415422116485
18 ms 162.159.44.37
124 2026-08-19 13:07 639227415422116485
18 ms 172.64.35.37
123 2026-08-19 12:51 639227405307256053
25 ms 108.162.195.37
122 2026-08-19 12:51 639227405307256053
25 ms 162.159.44.37
121 2026-08-19 12:51 639227405307256053
25 ms 172.64.35.37
120 2026-08-19 12:34 639227395396602630
2026 ms 108.162.195.37
119 2026-08-19 12:34 639227395396602630
2026 ms 172.64.35.37
118 2026-08-19 12:34 639227395396602630
2026 ms 162.159.44.37
117 2026-08-19 12:18 639227385510363611
4 ms 108.162.195.37
116 2026-08-19 12:18 639227385510363611
4 ms 162.159.44.37
115 2026-08-19 12:18 639227385510363611
4 ms 172.64.35.37
114 2026-08-19 12:01 639227375508324850
25 ms 162.159.44.37
113 2026-08-19 12:01 639227375508324850
25 ms 172.64.35.37
112 2026-08-19 12:01 639227375508324850
25 ms 108.162.195.37
111 2026-08-19 11:44 639227365326611906
7 ms 108.162.195.37
110 2026-08-19 11:44 639227365326611906
7 ms 172.64.35.37
109 2026-08-19 11:44 639227365326611906
7 ms 162.159.44.37
108 2026-08-19 11:27 639227355360014208
65 ms 108.162.195.37
107 2026-08-19 11:27 639227355360014208
65 ms 162.159.44.37
106 2026-08-19 11:27 639227355360014208
65 ms 172.64.35.37
105 2026-08-19 11:10 639227345036782165
2004 ms 108.162.195.37
104 2026-08-19 11:10 639227345036782165
2004 ms 162.159.44.37
103 2026-08-19 11:10 639227345036782165
2004 ms 172.64.35.37
102 2026-08-19 10:53 639227334992964533
2040 ms 162.159.44.37
101 2026-08-19 10:53 639227334992964533
2040 ms 108.162.195.37
100 2026-08-19 10:53 639227334992964533
2040 ms 172.64.35.37
99 2026-08-19 10:37 639227324986605572
26 ms 162.159.44.37
98 2026-08-19 10:37 639227324986605572
26 ms 172.64.35.37
97 2026-08-19 10:37 639227324986605572
26 ms 108.162.195.37
96 2026-08-19 10:20 639227314928414539
11 ms 108.162.195.37
95 2026-08-19 10:20 639227314928414539
11 ms 162.159.44.37
94 2026-08-19 10:20 639227314928414539
11 ms 172.64.35.37
93 2026-08-19 09:27 639227283029182134
4 ms 108.162.195.37
92 2026-08-19 09:27 639227283029182134
4 ms 162.159.44.37
91 2026-08-19 09:27 639227283029182134
4 ms 172.64.35.37
90 2026-08-19 09:10 639227273294779350
37 ms 108.162.195.37
89 2026-08-19 09:10 639227273294779350
37 ms 162.159.44.37
88 2026-08-19 09:10 639227273294779350
37 ms 172.64.35.37
87 2026-08-19 08:54 639227263525231313
4 ms 108.162.195.37
86 2026-08-19 08:54 639227263525231313
4 ms 162.159.44.37
85 2026-08-19 08:54 639227263525231313
4 ms 172.64.35.37
84 2026-08-19 08:38 639227253578313363
23 ms 108.162.195.37
83 2026-08-19 08:38 639227253578313363
23 ms 172.64.35.37
82 2026-08-19 08:38 639227253578313363
23 ms 162.159.44.37
81 2026-08-19 08:21 639227243649973322
11 ms 162.159.44.37
80 2026-08-19 08:21 639227243649973322
11 ms 108.162.195.37
79 2026-08-19 08:21 639227243649973322
11 ms 172.64.35.37
78 2026-08-19 08:04 639227233581059317
8 ms 108.162.195.37
77 2026-08-19 08:04 639227233581059317
8 ms 172.64.35.37
76 2026-08-19 08:04 639227233581059317
8 ms 162.159.44.37
75 2026-08-19 07:48 639227223667352067
27 ms 108.162.195.37
74 2026-08-19 07:48 639227223667352067
27 ms 172.64.35.37
73 2026-08-19 07:48 639227223667352067
27 ms 162.159.44.37
72 2026-08-19 07:31 639227213714837066
11 ms 108.162.195.37
71 2026-08-19 07:31 639227213714837066
11 ms 162.159.44.37
70 2026-08-19 07:31 639227213714837066
11 ms 172.64.35.37
69 2026-08-19 07:15 639227203701208496
35 ms 162.159.44.37
68 2026-08-19 07:15 639227203701208496
35 ms 172.64.35.37
67 2026-08-19 07:15 639227203701208496
35 ms 108.162.195.37
66 2026-08-19 06:58 639227193643202179
30 ms 108.162.195.37
65 2026-08-19 06:58 639227193643202179
30 ms 172.64.35.37
64 2026-08-19 06:58 639227193643202179
30 ms 162.159.44.37
63 2026-08-19 06:41 639227183584431597
33 ms 108.162.195.37
62 2026-08-19 06:41 639227183584431597
33 ms 172.64.35.37
61 2026-08-19 06:41 639227183584431597
33 ms 162.159.44.37
60 2026-08-19 06:24 639227173347403088
3 ms 108.162.195.37
59 2026-08-19 06:24 639227173347403088
3 ms 162.159.44.37
58 2026-08-19 06:24 639227173347403088
3 ms 172.64.35.37
57 2026-08-19 05:31 639227141523007601
50 ms 108.162.195.37
56 2026-08-19 05:31 639227141523007601
50 ms 162.159.44.37
55 2026-08-19 05:31 639227141523007601
50 ms 172.64.35.37
54 2026-08-19 05:15 639227131785931574
31 ms 108.162.195.37
53 2026-08-19 05:15 639227131785931574
31 ms 172.64.35.37
52 2026-08-19 05:15 639227131785931574
31 ms 162.159.44.37
51 2026-08-19 04:59 639227122176475389
41 ms 162.159.44.37
50 2026-08-19 04:59 639227122176475389
41 ms 108.162.195.37
49 2026-08-19 04:59 639227122176475389
41 ms 172.64.35.37
48 2026-08-19 04:43 639227112668934596
2010 ms 162.159.44.37
47 2026-08-19 04:43 639227112668934596
2010 ms 108.162.195.37
46 2026-08-19 04:43 639227112668934596
2010 ms 172.64.35.37
45 2026-08-19 04:26 639227102773292788
52 ms 108.162.195.37
44 2026-08-19 04:26 639227102773292788
52 ms 162.159.44.37
43 2026-08-19 04:26 639227102773292788
52 ms 172.64.35.37
42 2026-08-19 04:10 639227093141136930
75 ms 108.162.195.37
41 2026-08-19 04:10 639227093141136930
75 ms 172.64.35.37
40 2026-08-19 04:10 639227093141136930
75 ms 162.159.44.37
39 2026-08-19 03:54 639227083449420147
21 ms 108.162.195.37
38 2026-08-19 03:54 639227083449420147
21 ms 162.159.44.37
37 2026-08-19 03:54 639227083449420147
21 ms 172.64.35.37
36 2026-08-19 03:38 639227073771748493
33 ms 108.162.195.37
35 2026-08-19 03:38 639227073771748493
33 ms 162.159.44.37
34 2026-08-19 03:38 639227073771748493
33 ms 172.64.35.37
33 2026-08-19 03:22 639227063977347614
11 ms 108.162.195.37
32 2026-08-19 03:22 639227063977347614
11 ms 162.159.44.37
31 2026-08-19 03:22 639227063977347614
11 ms 172.64.35.37
30 2026-08-19 03:06 639227054253519024
7 ms 108.162.195.37
29 2026-08-19 03:06 639227054253519024
7 ms 172.64.35.37
28 2026-08-19 03:06 639227054253519024
7 ms 162.159.44.37
27 2026-08-19 02:49 639227044381963886
5 ms 108.162.195.37
26 2026-08-19 02:49 639227044381963886
5 ms 162.159.44.37
25 2026-08-19 02:49 639227044381963886
5 ms 172.64.35.37
24 2026-08-19 02:32 639227034441085514
22 ms 108.162.195.37
23 2026-08-19 02:32 639227034441085514
22 ms 162.159.44.37
22 2026-08-19 02:32 639227034441085514
22 ms 172.64.35.37
21 2026-08-19 01:40 639227003126489968
2037 ms 172.64.35.37
20 2026-08-19 01:40 639227003126489968
2037 ms 108.162.195.37
19 2026-08-19 01:40 639227003126489968
2037 ms 162.159.44.37
18 2026-08-19 01:24 639226993456311614
45 ms 108.162.195.37
17 2026-08-19 01:24 639226993456311614
45 ms 162.159.44.37
16 2026-08-19 01:24 639226993456311614
45 ms 172.64.35.37
15 2026-08-19 01:08 639226983847312345
4 ms 108.162.195.37
14 2026-08-19 01:08 639226983847312345
4 ms 162.159.44.37
13 2026-08-19 01:08 639226983847312345
4 ms 172.64.35.37
12 2026-08-19 00:52 639226974357874853
7 ms 108.162.195.37
11 2026-08-19 00:52 639226974357874853
7 ms 162.159.44.37
10 2026-08-19 00:52 639226974357874853
7 ms 172.64.35.37
9 2026-08-19 00:36 639226964670484721
2034 ms 162.159.44.37
8 2026-08-19 00:36 639226964670484721
2034 ms 172.64.35.37
7 2026-08-19 00:36 639226964670484721
2034 ms 108.162.195.37
6 2026-08-19 00:20 639226954857899696
27 ms 108.162.195.37
5 2026-08-19 00:20 639226954857899696
27 ms 162.159.44.37
4 2026-08-19 00:20 639226954857899696
27 ms 172.64.35.37
3 2026-08-19 00:04 639226945091603488
2049 ms 162.159.44.37
2 2026-08-19 00:04 639226945091603488
2049 ms 172.64.35.37
1 2026-08-19 00:04 639226945091603488
2049 ms 108.162.195.37