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 2026-08-17. For this date, NameServerHistory found 214 DNS check records, 213 successful responses, 1 failed responses, and 167 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

214

Historical checks stored for this nameserver on selected date

Average Latency

167 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-17 23:49

All timestamps shown in UTC

Latest Resolved IP on Selected Date

162.159.44.37

Most recently resolved hosting IP on selected date

Successful Responses

213

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 2026-08-17 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
214 2026-08-17 23:49 639226072268080268
44 ms 162.159.44.37
213 2026-08-17 23:49 639226072268080268
44 ms 172.64.35.37
212 2026-08-17 23:49 639226072268080268
44 ms 108.162.195.37
211 2026-08-17 23:33 639226062577647657
15 ms 108.162.195.37
210 2026-08-17 23:33 639226062577647657
15 ms 162.159.44.37
209 2026-08-17 23:33 639226062577647657
15 ms 172.64.35.37
208 2026-08-17 22:40 639226031060857136
71 ms 172.64.35.37
207 2026-08-17 22:40 639226031060857136
71 ms 108.162.195.37
206 2026-08-17 22:40 639226031060857136
71 ms 162.159.44.37
205 2026-08-17 22:24 639226021535117364
66 ms 162.159.44.37
204 2026-08-17 22:24 639226021535117364
66 ms 172.64.35.37
203 2026-08-17 22:24 639226021535117364
66 ms 108.162.195.37
202 2026-08-17 22:08 639226011884237078
8 ms 108.162.195.37
201 2026-08-17 22:08 639226011884237078
8 ms 172.64.35.37
200 2026-08-17 22:08 639226011884237078
8 ms 162.159.44.37
199 2026-08-17 21:52 639226002309299142
26 ms 172.64.35.37
198 2026-08-17 21:52 639226002309299142
26 ms 108.162.195.37
197 2026-08-17 21:52 639226002309299142
26 ms 162.159.44.37
196 2026-08-17 21:36 639225992791784448
13 ms 108.162.195.37
195 2026-08-17 21:36 639225992791784448
13 ms 162.159.44.37
194 2026-08-17 21:36 639225992791784448
13 ms 172.64.35.37
193 2026-08-17 21:20 639225983045271390
22 ms 108.162.195.37
192 2026-08-17 21:20 639225983045271390
22 ms 162.159.44.37
191 2026-08-17 21:20 639225983045271390
22 ms 172.64.35.37
190 2026-08-17 21:04 639225973246293513
59 ms 172.64.35.37
189 2026-08-17 21:04 639225973246293513
59 ms 108.162.195.37
188 2026-08-17 21:04 639225973246293513
59 ms 162.159.44.37
187 2026-08-17 20:48 639225963620186236
33 ms 162.159.44.37
186 2026-08-17 20:48 639225963620186236
33 ms 172.64.35.37
185 2026-08-17 20:48 639225963620186236
33 ms 108.162.195.37
184 2026-08-17 20:31 639225953899183916
8 ms 172.64.35.37
183 2026-08-17 20:31 639225953899183916
8 ms 108.162.195.37
182 2026-08-17 20:31 639225953899183916
8 ms 162.159.44.37
181 2026-08-17 20:16 639225944391528206
27 ms 108.162.195.37
180 2026-08-17 20:16 639225944391528206
27 ms 162.159.44.37
179 2026-08-17 20:16 639225944391528206
27 ms 172.64.35.37
178 2026-08-17 19:59 639225934593254169
2018 ms 108.162.195.37
177 2026-08-17 19:59 639225934593254169
2018 ms 172.64.35.37
176 2026-08-17 19:59 639225934593254169
2018 ms 162.159.44.37
175 2026-08-17 19:43 639225924669984512
30 ms 108.162.195.37
174 2026-08-17 19:43 639225924669984512
30 ms 162.159.44.37
173 2026-08-17 19:43 639225924669984512
30 ms 172.64.35.37
172 2026-08-17 18:50 639225893048561320
56 ms 108.162.195.37
171 2026-08-17 18:50 639225893048561320
56 ms 162.159.44.37
170 2026-08-17 18:50 639225893048561320
56 ms 172.64.35.37
169 2026-08-17 18:34 639225883481298424
12 ms 108.162.195.37
168 2026-08-17 18:34 639225883481298424
12 ms 162.159.44.37
167 2026-08-17 18:34 639225883481298424
12 ms 172.64.35.37
166 2026-08-17 18:18 639225873845394034
7 ms 108.162.195.37
165 2026-08-17 18:18 639225873845394034
7 ms 162.159.44.37
164 2026-08-17 18:18 639225873845394034
7 ms 172.64.35.37
163 2026-08-17 18:02 639225864216078662
7 ms 108.162.195.37
162 2026-08-17 18:02 639225864216078662
7 ms 162.159.44.37
161 2026-08-17 18:02 639225864216078662
7 ms 172.64.35.37
160 2026-08-17 17:46 639225854541857773
7 ms 108.162.195.37
159 2026-08-17 17:46 639225854541857773
7 ms 162.159.44.37
158 2026-08-17 17:46 639225854541857773
7 ms 172.64.35.37
157 2026-08-17 17:30 639225844733604072
34 ms 162.159.44.37
156 2026-08-17 17:30 639225844733604072
34 ms 172.64.35.37
155 2026-08-17 17:30 639225844733604072
34 ms 108.162.195.37
154 2026-08-17 17:13 639225835085229232
20 ms 172.64.35.37
153 2026-08-17 17:13 639225835085229232
20 ms 162.159.44.37
152 2026-08-17 17:13 639225835085229232
20 ms 108.162.195.37
151 2026-08-17 16:57 639225825349373981
3 ms 108.162.195.37
150 2026-08-17 16:57 639225825349373981
3 ms 162.159.44.37
149 2026-08-17 16:57 639225825349373981
3 ms 172.64.35.37
148 2026-08-17 16:41 639225815690604161
29 ms 162.159.44.37
147 2026-08-17 16:41 639225815690604161
29 ms 108.162.195.37
146 2026-08-17 16:41 639225815690604161
29 ms 172.64.35.37
145 2026-08-17 16:25 639225805952472306
25 ms 108.162.195.37
144 2026-08-17 16:25 639225805952472306
25 ms 162.159.44.37
143 2026-08-17 16:25 639225805952472306
25 ms 172.64.35.37
142 2026-08-17 16:09 639225796264729638
37 ms 108.162.195.37
141 2026-08-17 16:09 639225796264729638
37 ms 162.159.44.37
140 2026-08-17 16:09 639225796264729638
37 ms 172.64.35.37
139 2026-08-17 15:52 639225786326499329
48 ms 108.162.195.37
138 2026-08-17 15:52 639225786326499329
48 ms 162.159.44.37
137 2026-08-17 15:52 639225786326499329
48 ms 172.64.35.37
136 2026-08-17 15:00 639225754798130711
27 ms 172.64.35.37
135 2026-08-17 15:00 639225754798130711
27 ms 162.159.44.37
134 2026-08-17 15:00 639225754798130711
27 ms 108.162.195.37
133 2026-08-17 14:44 639225745123193922
29 ms 108.162.195.37
132 2026-08-17 14:44 639225745123193922
29 ms 162.159.44.37
131 2026-08-17 14:44 639225745123193922
29 ms 172.64.35.37
130 2026-08-17 14:28 639225735540597271
14 ms 108.162.195.37
129 2026-08-17 14:28 639225735540597271
14 ms 172.64.35.37
128 2026-08-17 14:28 639225735540597271
14 ms 162.159.44.37
127 2026-08-17 14:11 639225725894857396
5 ms 108.162.195.37
126 2026-08-17 14:11 639225725894857396
5 ms 162.159.44.37
125 2026-08-17 14:11 639225725894857396
5 ms 172.64.35.37
124 2026-08-17 13:55 639225716249606913
23 ms 172.64.35.37
123 2026-08-17 13:55 639225716249606913
23 ms 162.159.44.37
122 2026-08-17 13:55 639225716249606913
23 ms 108.162.195.37
121 2026-08-17 13:39 639225706638238179
14 ms 108.162.195.37
120 2026-08-17 13:39 639225706638238179
14 ms 162.159.44.37
119 2026-08-17 13:39 639225706638238179
14 ms 172.64.35.37
118 2026-08-17 13:23 639225696949691423
2011 ms 172.64.35.37
117 2026-08-17 13:23 639225696949691423
2011 ms 108.162.195.37
116 2026-08-17 13:23 639225696949691423
2011 ms 162.159.44.37
115 2026-08-17 13:07 639225687286186336
16 ms 108.162.195.37
114 2026-08-17 13:07 639225687286186336
16 ms 162.159.44.37
113 2026-08-17 13:07 639225687286186336
16 ms 172.64.35.37
112 2026-08-17 12:51 639225677679573133
71 ms 108.162.195.37
111 2026-08-17 12:51 639225677679573133
71 ms 162.159.44.37
110 2026-08-17 12:51 639225677679573133
71 ms 172.64.35.37
109 2026-08-17 12:35 639225667957861024
2014 ms 162.159.44.37
108 2026-08-17 12:35 639225667957861024
2014 ms 172.64.35.37
107 2026-08-17 12:35 639225667957861024
2014 ms 108.162.195.37
106 2026-08-17 12:19 639225658298791618
6 ms 108.162.195.37
105 2026-08-17 12:19 639225658298791618
6 ms 162.159.44.37
104 2026-08-17 12:19 639225658298791618
6 ms 172.64.35.37
103 2026-08-17 12:03 639225648583652785
2013 ms 108.162.195.37
102 2026-08-17 12:03 639225648583652785
2013 ms 162.159.44.37
101 2026-08-17 12:03 639225648583652785
2013 ms 172.64.35.37
100 2026-08-17 11:10 639225617000524308
3 ms 108.162.195.37
99 2026-08-17 11:10 639225617000524308
3 ms 162.159.44.37
98 2026-08-17 11:10 639225617000524308
3 ms 172.64.35.37
97 2026-08-17 10:54 639225607668541600
18 ms 162.159.44.37
96 2026-08-17 10:54 639225607668541600
18 ms 108.162.195.37
95 2026-08-17 10:54 639225607668541600
18 ms 172.64.35.37
94 2026-08-17 10:38 639225598117279238
2034 ms 108.162.195.37
93 2026-08-17 10:38 639225598117279238
2034 ms 162.159.44.37
92 2026-08-17 10:38 639225598117279238
2034 ms 172.64.35.37
91 2026-08-17 10:23 639225588751002710
25 ms 108.162.195.37
90 2026-08-17 10:23 639225588751002710
25 ms 162.159.44.37
89 2026-08-17 10:23 639225588751002710
25 ms 172.64.35.37
88 2026-08-17 10:07 639225579295831051
17 ms 162.159.44.37
87 2026-08-17 10:07 639225579295831051
17 ms 108.162.195.37
86 2026-08-17 10:07 639225579295831051
17 ms 172.64.35.37
85 2026-08-17 09:51 639225569761469940
6 ms 108.162.195.37
84 2026-08-17 09:51 639225569761469940
6 ms 162.159.44.37
83 2026-08-17 09:51 639225569761469940
6 ms 172.64.35.37
82 2026-08-17 09:35 639225560161422333
16 ms 108.162.195.37
81 2026-08-17 09:35 639225560161422333
16 ms 162.159.44.37
80 2026-08-17 09:35 639225560161422333
16 ms 172.64.35.37
79 2026-08-17 09:19 639225550739955565
33 ms 108.162.195.37
78 2026-08-17 09:19 639225550739955565
33 ms 162.159.44.37
77 2026-08-17 09:19 639225550739955565
33 ms 172.64.35.37
76 2026-08-17 09:04 639225541125222426
4 ms 108.162.195.37
75 2026-08-17 09:04 639225541125222426
4 ms 162.159.44.37
74 2026-08-17 09:04 639225541125222426
4 ms 172.64.35.37
73 2026-08-17 08:47 639225531526675983
5 ms 108.162.195.37
72 2026-08-17 08:47 639225531526675983
5 ms 162.159.44.37
71 2026-08-17 08:47 639225531526675983
5 ms 172.64.35.37
70 2026-08-17 08:32 639225521915528222
45 ms 172.64.35.37
69 2026-08-17 08:32 639225521915528222
45 ms 162.159.44.37
68 2026-08-17 08:32 639225521915528222
45 ms 108.162.195.37
67 2026-08-17 08:15 639225512148151789
44 ms 108.162.195.37
66 2026-08-17 08:15 639225512148151789
44 ms 162.159.44.37
65 2026-08-17 08:15 639225512148151789
44 ms 172.64.35.37
64 2026-08-17 07:23 639225480786142412
-
63 2026-08-17 07:07 639225471394348551
28 ms 162.159.44.37
62 2026-08-17 07:07 639225471394348551
28 ms 172.64.35.37
61 2026-08-17 07:07 639225471394348551
28 ms 108.162.195.37
60 2026-08-17 06:52 639225462031685068
17 ms 108.162.195.37
59 2026-08-17 06:52 639225462031685068
17 ms 162.159.44.37
58 2026-08-17 06:52 639225462031685068
17 ms 172.64.35.37
57 2026-08-17 06:36 639225452639458328
17 ms 108.162.195.37
56 2026-08-17 06:36 639225452639458328
17 ms 162.159.44.37
55 2026-08-17 06:36 639225452639458328
17 ms 172.64.35.37
54 2026-08-17 06:20 639225443300966543
34 ms 108.162.195.37
53 2026-08-17 06:20 639225443300966543
34 ms 162.159.44.37
52 2026-08-17 06:20 639225443300966543
34 ms 172.64.35.37
51 2026-08-17 06:05 639225433880499379
22 ms 108.162.195.37
50 2026-08-17 06:05 639225433880499379
22 ms 162.159.44.37
49 2026-08-17 06:05 639225433880499379
22 ms 172.64.35.37
48 2026-08-17 05:49 639225424395198277
30 ms 108.162.195.37
47 2026-08-17 05:49 639225424395198277
30 ms 162.159.44.37
46 2026-08-17 05:49 639225424395198277
30 ms 172.64.35.37
45 2026-08-17 05:33 639225414744137487
76 ms 108.162.195.37
44 2026-08-17 05:33 639225414744137487
76 ms 162.159.44.37
43 2026-08-17 05:33 639225414744137487
76 ms 172.64.35.37
42 2026-08-17 05:17 639225405186783164
57 ms 162.159.44.37
41 2026-08-17 05:17 639225405186783164
57 ms 172.64.35.37
40 2026-08-17 05:17 639225405186783164
57 ms 108.162.195.37
39 2026-08-17 05:01 639225395563669822
9 ms 108.162.195.37
38 2026-08-17 05:01 639225395563669822
9 ms 162.159.44.37
37 2026-08-17 05:01 639225395563669822
9 ms 172.64.35.37
36 2026-08-17 04:45 639225386076645158
25 ms 162.159.44.37
35 2026-08-17 04:45 639225386076645158
25 ms 172.64.35.37
34 2026-08-17 04:45 639225386076645158
25 ms 108.162.195.37
33 2026-08-17 04:29 639225376620669704
26 ms 108.162.195.37
32 2026-08-17 04:29 639225376620669704
26 ms 162.159.44.37
31 2026-08-17 04:29 639225376620669704
26 ms 172.64.35.37
30 2026-08-17 03:38 639225345580892706
32 ms 162.159.44.37
29 2026-08-17 03:38 639225345580892706
32 ms 172.64.35.37
28 2026-08-17 03:38 639225345580892706
32 ms 108.162.195.37
27 2026-08-17 03:22 639225336207383710
12 ms 108.162.195.37
26 2026-08-17 03:22 639225336207383710
12 ms 172.64.35.37
25 2026-08-17 03:22 639225336207383710
12 ms 162.159.44.37
24 2026-08-17 03:06 639225326726565001
71 ms 108.162.195.37
23 2026-08-17 03:06 639225326726565001
71 ms 162.159.44.37
22 2026-08-17 03:06 639225326726565001
71 ms 172.64.35.37
21 2026-08-17 02:50 639225317249271010
7 ms 108.162.195.37
20 2026-08-17 02:50 639225317249271010
7 ms 172.64.35.37
19 2026-08-17 02:50 639225317249271010
7 ms 162.159.44.37
18 2026-08-17 01:59 639225286280886044
10 ms 108.162.195.37
17 2026-08-17 01:59 639225286280886044
10 ms 172.64.35.37
16 2026-08-17 01:59 639225286280886044
10 ms 162.159.44.37
15 2026-08-17 01:43 639225276872567548
29 ms 108.162.195.37
14 2026-08-17 01:43 639225276872567548
29 ms 162.159.44.37
13 2026-08-17 01:43 639225276872567548
29 ms 172.64.35.37
12 2026-08-17 01:27 639225267353865348
28 ms 108.162.195.37
11 2026-08-17 01:27 639225267353865348
28 ms 162.159.44.37
10 2026-08-17 01:27 639225267353865348
28 ms 172.64.35.37
9 2026-08-17 01:12 639225258033914248
49 ms 172.64.35.37
8 2026-08-17 01:12 639225258033914248
49 ms 162.159.44.37
7 2026-08-17 01:12 639225258033914248
49 ms 108.162.195.37
6 2026-08-17 00:19 639225226652221583
7 ms 162.159.44.37
5 2026-08-17 00:19 639225226652221583
7 ms 172.64.35.37
4 2026-08-17 00:19 639225226652221583
7 ms 108.162.195.37
3 2026-08-17 00:04 639225217156387684
20 ms 108.162.195.37
2 2026-08-17 00:04 639225217156387684
20 ms 162.159.44.37
1 2026-08-17 00:04 639225217156387684
20 ms 172.64.35.37