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 2026-08-18. For this date, NameServerHistory found 223 DNS check records, 222 successful responses, 1 failed responses, and 265 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

265 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-18 23:47

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

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 2026-08-18 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 2026-08-18 23:47 639226935204800669
2 ms 108.162.195.37
222 2026-08-18 23:47 639226935204800669
2 ms 162.159.44.37
221 2026-08-18 23:47 639226935204800669
2 ms 172.64.35.37
220 2026-08-18 23:31 639226925298919497
2015 ms 172.64.35.37
219 2026-08-18 23:31 639226925298919497
2015 ms 108.162.195.37
218 2026-08-18 23:31 639226925298919497
2015 ms 162.159.44.37
217 2026-08-18 23:14 639226915487885053
7 ms 108.162.195.37
216 2026-08-18 23:14 639226915487885053
7 ms 162.159.44.37
215 2026-08-18 23:14 639226915487885053
7 ms 172.64.35.37
214 2026-08-18 22:58 639226905465760034
-
213 2026-08-18 22:41 639226895378104692
32 ms 172.64.35.37
212 2026-08-18 22:41 639226895378104692
32 ms 108.162.195.37
211 2026-08-18 22:41 639226895378104692
32 ms 162.159.44.37
210 2026-08-18 21:47 639226863374232622
11 ms 108.162.195.37
209 2026-08-18 21:47 639226863374232622
11 ms 162.159.44.37
208 2026-08-18 21:47 639226863374232622
11 ms 172.64.35.37
207 2026-08-18 21:31 639226853698516058
9 ms 108.162.195.37
206 2026-08-18 21:31 639226853698516058
9 ms 172.64.35.37
205 2026-08-18 21:31 639226853698516058
9 ms 162.159.44.37
204 2026-08-18 21:15 639226843797360601
7 ms 108.162.195.37
203 2026-08-18 21:15 639226843797360601
7 ms 162.159.44.37
202 2026-08-18 21:15 639226843797360601
7 ms 172.64.35.37
201 2026-08-18 20:58 639226834046588155
38 ms 108.162.195.37
200 2026-08-18 20:58 639226834046588155
38 ms 172.64.35.37
199 2026-08-18 20:58 639226834046588155
38 ms 162.159.44.37
198 2026-08-18 20:42 639226824234488533
8 ms 108.162.195.37
197 2026-08-18 20:42 639226824234488533
8 ms 162.159.44.37
196 2026-08-18 20:42 639226824234488533
8 ms 172.64.35.37
195 2026-08-18 20:26 639226814549928621
16 ms 108.162.195.37
194 2026-08-18 20:26 639226814549928621
16 ms 162.159.44.37
193 2026-08-18 20:26 639226814549928621
16 ms 172.64.35.37
192 2026-08-18 20:10 639226804721432353
24 ms 162.159.44.37
191 2026-08-18 20:10 639226804721432353
24 ms 108.162.195.37
190 2026-08-18 20:10 639226804721432353
24 ms 172.64.35.37
189 2026-08-18 19:54 639226795048828184
7 ms 108.162.195.37
188 2026-08-18 19:54 639226795048828184
7 ms 172.64.35.37
187 2026-08-18 19:54 639226795048828184
7 ms 162.159.44.37
186 2026-08-18 19:37 639226785202482420
12 ms 108.162.195.37
185 2026-08-18 19:37 639226785202482420
12 ms 162.159.44.37
184 2026-08-18 19:37 639226785202482420
12 ms 172.64.35.37
183 2026-08-18 19:21 639226775309362607
2041 ms 172.64.35.37
182 2026-08-18 19:21 639226775309362607
2041 ms 108.162.195.37
181 2026-08-18 19:21 639226775309362607
2041 ms 162.159.44.37
180 2026-08-18 19:04 639226765406586155
5 ms 108.162.195.37
179 2026-08-18 19:04 639226765406586155
5 ms 162.159.44.37
178 2026-08-18 19:04 639226765406586155
5 ms 172.64.35.37
177 2026-08-18 18:47 639226755437790519
22 ms 108.162.195.37
176 2026-08-18 18:47 639226755437790519
22 ms 162.159.44.37
175 2026-08-18 18:47 639226755437790519
22 ms 172.64.35.37
174 2026-08-18 17:55 639226723856194457
5 ms 108.162.195.37
173 2026-08-18 17:55 639226723856194457
5 ms 162.159.44.37
172 2026-08-18 17:55 639226723856194457
5 ms 172.64.35.37
171 2026-08-18 17:38 639226714050583422
34 ms 108.162.195.37
170 2026-08-18 17:38 639226714050583422
34 ms 162.159.44.37
169 2026-08-18 17:38 639226714050583422
34 ms 172.64.35.37
168 2026-08-18 17:22 639226704236499724
6 ms 108.162.195.37
167 2026-08-18 17:22 639226704236499724
6 ms 162.159.44.37
166 2026-08-18 17:22 639226704236499724
6 ms 172.64.35.37
165 2026-08-18 17:05 639226694184520163
9 ms 108.162.195.37
164 2026-08-18 17:05 639226694184520163
9 ms 162.159.44.37
163 2026-08-18 17:05 639226694184520163
9 ms 172.64.35.37
162 2026-08-18 16:49 639226684161203477
15 ms 108.162.195.37
161 2026-08-18 16:49 639226684161203477
15 ms 162.159.44.37
160 2026-08-18 16:49 639226684161203477
15 ms 172.64.35.37
159 2026-08-18 16:32 639226674305430109
32 ms 162.159.44.37
158 2026-08-18 16:32 639226674305430109
32 ms 172.64.35.37
157 2026-08-18 16:32 639226674305430109
32 ms 108.162.195.37
156 2026-08-18 16:16 639226664489607984
27 ms 108.162.195.37
155 2026-08-18 16:16 639226664489607984
27 ms 172.64.35.37
154 2026-08-18 16:16 639226664489607984
27 ms 162.159.44.37
153 2026-08-18 15:59 639226654533111667
2008 ms 108.162.195.37
152 2026-08-18 15:59 639226654533111667
2008 ms 172.64.35.37
151 2026-08-18 15:59 639226654533111667
2008 ms 162.159.44.37
150 2026-08-18 15:43 639226644778594725
46 ms 108.162.195.37
149 2026-08-18 15:43 639226644778594725
46 ms 172.64.35.37
148 2026-08-18 15:43 639226644778594725
46 ms 162.159.44.37
147 2026-08-18 15:27 639226634901553621
2018 ms 108.162.195.37
146 2026-08-18 15:27 639226634901553621
2018 ms 172.64.35.37
145 2026-08-18 15:27 639226634901553621
2018 ms 162.159.44.37
144 2026-08-18 15:10 639226624921864967
36 ms 108.162.195.37
143 2026-08-18 15:10 639226624921864967
36 ms 162.159.44.37
142 2026-08-18 15:10 639226624921864967
36 ms 172.64.35.37
141 2026-08-18 14:53 639226614939419403
21 ms 108.162.195.37
140 2026-08-18 14:53 639226614939419403
21 ms 162.159.44.37
139 2026-08-18 14:53 639226614939419403
21 ms 172.64.35.37
138 2026-08-18 14:00 639226583021074771
64 ms 162.159.44.37
137 2026-08-18 14:00 639226583021074771
64 ms 172.64.35.37
136 2026-08-18 14:00 639226583021074771
64 ms 108.162.195.37
135 2026-08-18 13:44 639226573279933585
3 ms 108.162.195.37
134 2026-08-18 13:44 639226573279933585
3 ms 162.159.44.37
133 2026-08-18 13:44 639226573279933585
3 ms 172.64.35.37
132 2026-08-18 13:28 639226563494036301
2025 ms 108.162.195.37
131 2026-08-18 13:28 639226563494036301
2025 ms 172.64.35.37
130 2026-08-18 13:28 639226563494036301
2025 ms 162.159.44.37
129 2026-08-18 13:11 639226553708216256
24 ms 108.162.195.37
128 2026-08-18 13:11 639226553708216256
24 ms 162.159.44.37
127 2026-08-18 13:11 639226553708216256
24 ms 172.64.35.37
126 2026-08-18 12:55 639226544003734815
37 ms 108.162.195.37
125 2026-08-18 12:55 639226544003734815
37 ms 162.159.44.37
124 2026-08-18 12:55 639226544003734815
37 ms 172.64.35.37
123 2026-08-18 12:39 639226534105733155
46 ms 108.162.195.37
122 2026-08-18 12:39 639226534105733155
46 ms 162.159.44.37
121 2026-08-18 12:39 639226534105733155
46 ms 172.64.35.37
120 2026-08-18 12:22 639226524298118898
30 ms 162.159.44.37
119 2026-08-18 12:22 639226524298118898
30 ms 172.64.35.37
118 2026-08-18 12:22 639226524298118898
30 ms 108.162.195.37
117 2026-08-18 12:06 639226514525195335
5 ms 108.162.195.37
116 2026-08-18 12:06 639226514525195335
5 ms 162.159.44.37
115 2026-08-18 12:06 639226514525195335
5 ms 172.64.35.37
114 2026-08-18 11:49 639226504703635320
13 ms 108.162.195.37
113 2026-08-18 11:49 639226504703635320
13 ms 162.159.44.37
112 2026-08-18 11:49 639226504703635320
13 ms 172.64.35.37
111 2026-08-18 11:33 639226494737271720
37 ms 172.64.35.37
110 2026-08-18 11:33 639226494737271720
37 ms 162.159.44.37
109 2026-08-18 11:33 639226494737271720
37 ms 108.162.195.37
108 2026-08-18 11:17 639226485005027236
22 ms 172.64.35.37
107 2026-08-18 11:17 639226485005027236
22 ms 108.162.195.37
106 2026-08-18 11:17 639226485005027236
22 ms 162.159.44.37
105 2026-08-18 11:00 639226475133236105
13 ms 108.162.195.37
104 2026-08-18 11:00 639226475133236105
13 ms 172.64.35.37
103 2026-08-18 11:00 639226475133236105
13 ms 162.159.44.37
102 2026-08-18 10:07 639226442975077052
9 ms 172.64.35.37
101 2026-08-18 10:07 639226442975077052
9 ms 108.162.195.37
100 2026-08-18 10:07 639226442975077052
9 ms 162.159.44.37
99 2026-08-18 09:50 639226433317932039
28 ms 108.162.195.37
98 2026-08-18 09:50 639226433317932039
28 ms 162.159.44.37
97 2026-08-18 09:50 639226433317932039
28 ms 172.64.35.37
96 2026-08-18 09:35 639226423688431096
2011 ms 172.64.35.37
95 2026-08-18 09:35 639226423688431096
2011 ms 108.162.195.37
94 2026-08-18 09:35 639226423688431096
2011 ms 162.159.44.37
93 2026-08-18 09:18 639226413998250045
44 ms 108.162.195.37
92 2026-08-18 09:18 639226413998250045
44 ms 162.159.44.37
91 2026-08-18 09:18 639226413998250045
44 ms 172.64.35.37
90 2026-08-18 09:02 639226404284554875
10 ms 162.159.44.37
89 2026-08-18 09:02 639226404284554875
10 ms 172.64.35.37
88 2026-08-18 09:02 639226404284554875
10 ms 108.162.195.37
87 2026-08-18 08:46 639226394637043309
30 ms 108.162.195.37
86 2026-08-18 08:46 639226394637043309
30 ms 172.64.35.37
85 2026-08-18 08:46 639226394637043309
30 ms 162.159.44.37
84 2026-08-18 08:30 639226385052447582
2030 ms 108.162.195.37
83 2026-08-18 08:30 639226385052447582
2030 ms 172.64.35.37
82 2026-08-18 08:30 639226385052447582
2030 ms 162.159.44.37
81 2026-08-18 08:14 639226375506189603
4 ms 108.162.195.37
80 2026-08-18 08:14 639226375506189603
4 ms 162.159.44.37
79 2026-08-18 08:14 639226375506189603
4 ms 172.64.35.37
78 2026-08-18 07:58 639226365690646426
35 ms 172.64.35.37
77 2026-08-18 07:58 639226365690646426
35 ms 108.162.195.37
76 2026-08-18 07:58 639226365690646426
35 ms 162.159.44.37
75 2026-08-18 07:41 639226355771007701
65 ms 172.64.35.37
74 2026-08-18 07:41 639226355771007701
65 ms 108.162.195.37
73 2026-08-18 07:41 639226355771007701
65 ms 162.159.44.37
72 2026-08-18 07:25 639226345946269369
2011 ms 172.64.35.37
71 2026-08-18 07:25 639226345946269369
2011 ms 108.162.195.37
70 2026-08-18 07:25 639226345946269369
2011 ms 162.159.44.37
69 2026-08-18 07:09 639226336241601848
37 ms 162.159.44.37
68 2026-08-18 07:09 639226336241601848
37 ms 172.64.35.37
67 2026-08-18 07:09 639226336241601848
37 ms 108.162.195.37
66 2026-08-18 06:17 639226304950675290
4 ms 108.162.195.37
65 2026-08-18 06:17 639226304950675290
4 ms 162.159.44.37
64 2026-08-18 06:17 639226304950675290
4 ms 172.64.35.37
63 2026-08-18 06:01 639226295324754616
22 ms 108.162.195.37
62 2026-08-18 06:01 639226295324754616
22 ms 162.159.44.37
61 2026-08-18 06:01 639226295324754616
22 ms 172.64.35.37
60 2026-08-18 05:45 639226285824640601
4 ms 108.162.195.37
59 2026-08-18 05:45 639226285824640601
4 ms 162.159.44.37
58 2026-08-18 05:45 639226285824640601
4 ms 172.64.35.37
57 2026-08-18 05:29 639226276321223917
5 ms 108.162.195.37
56 2026-08-18 05:29 639226276321223917
5 ms 162.159.44.37
55 2026-08-18 05:29 639226276321223917
5 ms 172.64.35.37
54 2026-08-18 05:13 639226266800200046
4 ms 108.162.195.37
53 2026-08-18 05:13 639226266800200046
4 ms 162.159.44.37
52 2026-08-18 05:13 639226266800200046
4 ms 172.64.35.37
51 2026-08-18 04:57 639226256958066164
47 ms 108.162.195.37
50 2026-08-18 04:57 639226256958066164
47 ms 162.159.44.37
49 2026-08-18 04:57 639226256958066164
47 ms 172.64.35.37
48 2026-08-18 04:41 639226247432364597
75 ms 172.64.35.37
47 2026-08-18 04:41 639226247432364597
75 ms 108.162.195.37
46 2026-08-18 04:41 639226247432364597
75 ms 162.159.44.37
45 2026-08-18 04:24 639226237703388552
6 ms 108.162.195.37
44 2026-08-18 04:24 639226237703388552
6 ms 162.159.44.37
43 2026-08-18 04:24 639226237703388552
6 ms 172.64.35.37
42 2026-08-18 04:08 639226227937569589
13 ms 162.159.44.37
41 2026-08-18 04:08 639226227937569589
13 ms 172.64.35.37
40 2026-08-18 04:08 639226227937569589
13 ms 108.162.195.37
39 2026-08-18 03:52 639226218052465471
8 ms 172.64.35.37
38 2026-08-18 03:52 639226218052465471
8 ms 108.162.195.37
37 2026-08-18 03:52 639226218052465471
8 ms 162.159.44.37
36 2026-08-18 03:36 639226208429623997
22 ms 108.162.195.37
35 2026-08-18 03:36 639226208429623997
22 ms 162.159.44.37
34 2026-08-18 03:36 639226208429623997
22 ms 172.64.35.37
33 2026-08-18 03:20 639226198800675295
5 ms 108.162.195.37
32 2026-08-18 03:20 639226198800675295
5 ms 162.159.44.37
31 2026-08-18 03:20 639226198800675295
5 ms 172.64.35.37
30 2026-08-18 02:28 639226167722042574
12 ms 162.159.44.37
29 2026-08-18 02:28 639226167722042574
12 ms 172.64.35.37
28 2026-08-18 02:28 639226167722042574
12 ms 108.162.195.37
27 2026-08-18 02:12 639226158277924383
2035 ms 162.159.44.37
26 2026-08-18 02:12 639226158277924383
2035 ms 172.64.35.37
25 2026-08-18 02:12 639226158277924383
2035 ms 108.162.195.37
24 2026-08-18 01:56 639226148757810592
47 ms 108.162.195.37
23 2026-08-18 01:56 639226148757810592
47 ms 162.159.44.37
22 2026-08-18 01:56 639226148757810592
47 ms 172.64.35.37
21 2026-08-18 01:41 639226139348611045
11 ms 108.162.195.37
20 2026-08-18 01:41 639226139348611045
11 ms 162.159.44.37
19 2026-08-18 01:41 639226139348611045
11 ms 172.64.35.37
18 2026-08-18 01:25 639226129823462907
7 ms 108.162.195.37
17 2026-08-18 01:25 639226129823462907
7 ms 172.64.35.37
16 2026-08-18 01:25 639226129823462907
7 ms 162.159.44.37
15 2026-08-18 01:09 639226120218260005
48 ms 172.64.35.37
14 2026-08-18 01:09 639226120218260005
48 ms 108.162.195.37
13 2026-08-18 01:09 639226120218260005
48 ms 162.159.44.37
12 2026-08-18 00:53 639226110875503904
4 ms 108.162.195.37
11 2026-08-18 00:53 639226110875503904
4 ms 162.159.44.37
10 2026-08-18 00:53 639226110875503904
4 ms 172.64.35.37
9 2026-08-18 00:37 639226101376311912
34 ms 108.162.195.37
8 2026-08-18 00:37 639226101376311912
34 ms 162.159.44.37
7 2026-08-18 00:37 639226101376311912
34 ms 172.64.35.37
6 2026-08-18 00:22 639226091924943492
16 ms 108.162.195.37
5 2026-08-18 00:22 639226091924943492
16 ms 162.159.44.37
4 2026-08-18 00:22 639226091924943492
16 ms 172.64.35.37
3 2026-08-18 00:05 639226082133158124
4 ms 108.162.195.37
2 2026-08-18 00:05 639226082133158124
4 ms 162.159.44.37
1 2026-08-18 00:05 639226082133158124
4 ms 172.64.35.37