DNS response history for dean.ns.cloudflare.com

dean.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 2026-08-21. For this date, NameServerHistory found 216 DNS check records, 216 successful responses, 0 failed responses, and 101 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 dean.ns.cloudflare.com.
Records on Selected Date

216

Historical checks stored for this nameserver on selected date

Average Latency

101 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-21 23:46

All timestamps shown in UTC

Latest Resolved IP on Selected Date

108.162.193.153

Most recently resolved hosting IP on selected date

Successful Responses

216

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 dean.ns.cloudflare.com

Showing DNS history for 2026-08-21 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
216 2026-08-21 23:46 639229527598660841
7 ms 108.162.193.153
215 2026-08-21 23:46 639229527598660841
7 ms 172.64.33.153
214 2026-08-21 23:46 639229527598660841
7 ms 173.245.59.153
213 2026-08-21 23:30 639229517954323214
11 ms 108.162.193.153
212 2026-08-21 23:30 639229517954323214
11 ms 172.64.33.153
211 2026-08-21 23:30 639229517954323214
11 ms 173.245.59.153
210 2026-08-21 23:14 639229508269999021
8 ms 108.162.193.153
209 2026-08-21 23:14 639229508269999021
8 ms 172.64.33.153
208 2026-08-21 23:14 639229508269999021
8 ms 173.245.59.153
207 2026-08-21 22:57 639229498559060171
27 ms 108.162.193.153
206 2026-08-21 22:57 639229498559060171
27 ms 172.64.33.153
205 2026-08-21 22:57 639229498559060171
27 ms 173.245.59.153
204 2026-08-21 22:41 639229488519347586
10 ms 172.64.33.153
203 2026-08-21 22:41 639229488519347586
10 ms 173.245.59.153
202 2026-08-21 22:41 639229488519347586
10 ms 108.162.193.153
201 2026-08-21 21:47 639229456606578934
21 ms 108.162.193.153
200 2026-08-21 21:47 639229456606578934
21 ms 172.64.33.153
199 2026-08-21 21:47 639229456606578934
21 ms 173.245.59.153
198 2026-08-21 21:31 639229446985772499
4 ms 108.162.193.153
197 2026-08-21 21:31 639229446985772499
4 ms 172.64.33.153
196 2026-08-21 21:31 639229446985772499
4 ms 173.245.59.153
195 2026-08-21 21:15 639229437367313098
9 ms 108.162.193.153
194 2026-08-21 21:15 639229437367313098
9 ms 172.64.33.153
193 2026-08-21 21:15 639229437367313098
9 ms 173.245.59.153
192 2026-08-21 21:00 639229427923950391
10 ms 108.162.193.153
191 2026-08-21 21:00 639229427923950391
10 ms 172.64.33.153
190 2026-08-21 21:00 639229427923950391
10 ms 173.245.59.153
189 2026-08-21 20:43 639229418168588854
48 ms 173.245.59.153
188 2026-08-21 20:43 639229418168588854
48 ms 172.64.33.153
187 2026-08-21 20:43 639229418168588854
48 ms 108.162.193.153
186 2026-08-21 20:27 639229408345678334
11 ms 108.162.193.153
185 2026-08-21 20:27 639229408345678334
11 ms 172.64.33.153
184 2026-08-21 20:27 639229408345678334
11 ms 173.245.59.153
183 2026-08-21 20:11 639229398616354648
6 ms 108.162.193.153
182 2026-08-21 20:11 639229398616354648
6 ms 172.64.33.153
181 2026-08-21 20:11 639229398616354648
6 ms 173.245.59.153
180 2026-08-21 19:54 639229388634592323
26 ms 108.162.193.153
179 2026-08-21 19:54 639229388634592323
26 ms 172.64.33.153
178 2026-08-21 19:54 639229388634592323
26 ms 173.245.59.153
177 2026-08-21 19:38 639229378792837692
25 ms 108.162.193.153
176 2026-08-21 19:38 639229378792837692
25 ms 172.64.33.153
175 2026-08-21 19:38 639229378792837692
25 ms 173.245.59.153
174 2026-08-21 19:22 639229369154682311
2011 ms 172.64.33.153
173 2026-08-21 19:22 639229369154682311
2011 ms 108.162.193.153
172 2026-08-21 19:22 639229369154682311
2011 ms 173.245.59.153
171 2026-08-21 19:05 639229359248017926
3 ms 108.162.193.153
170 2026-08-21 19:05 639229359248017926
3 ms 172.64.33.153
169 2026-08-21 19:05 639229359248017926
3 ms 173.245.59.153
168 2026-08-21 18:48 639229349124294642
4042 ms 173.245.59.153
167 2026-08-21 18:48 639229349124294642
4042 ms 172.64.33.153
166 2026-08-21 18:48 639229349124294642
4042 ms 108.162.193.153
165 2026-08-21 17:56 639229317791715692
9 ms 108.162.193.153
164 2026-08-21 17:56 639229317791715692
9 ms 172.64.33.153
163 2026-08-21 17:56 639229317791715692
9 ms 173.245.59.153
162 2026-08-21 17:40 639229308115194575
7 ms 108.162.193.153
161 2026-08-21 17:40 639229308115194575
7 ms 172.64.33.153
160 2026-08-21 17:40 639229308115194575
7 ms 173.245.59.153
159 2026-08-21 17:24 639229298320320558
8 ms 172.64.33.153
158 2026-08-21 17:24 639229298320320558
8 ms 108.162.193.153
157 2026-08-21 17:24 639229298320320558
8 ms 173.245.59.153
156 2026-08-21 17:08 639229288674863221
5 ms 108.162.193.153
155 2026-08-21 17:08 639229288674863221
5 ms 172.64.33.153
154 2026-08-21 17:08 639229288674863221
5 ms 173.245.59.153
153 2026-08-21 16:51 639229278983677079
56 ms 108.162.193.153
152 2026-08-21 16:51 639229278983677079
56 ms 172.64.33.153
151 2026-08-21 16:51 639229278983677079
56 ms 173.245.59.153
150 2026-08-21 16:35 639229269405517175
7 ms 108.162.193.153
149 2026-08-21 16:35 639229269405517175
7 ms 172.64.33.153
148 2026-08-21 16:35 639229269405517175
7 ms 173.245.59.153
147 2026-08-21 16:19 639229259594798244
8 ms 173.245.59.153
146 2026-08-21 16:19 639229259594798244
8 ms 108.162.193.153
145 2026-08-21 16:19 639229259594798244
8 ms 172.64.33.153
144 2026-08-21 16:03 639229249736681188
15 ms 108.162.193.153
143 2026-08-21 16:03 639229249736681188
15 ms 172.64.33.153
142 2026-08-21 16:03 639229249736681188
15 ms 173.245.59.153
141 2026-08-21 15:46 639229239699417787
9 ms 172.64.33.153
140 2026-08-21 15:46 639229239699417787
9 ms 108.162.193.153
139 2026-08-21 15:46 639229239699417787
9 ms 173.245.59.153
138 2026-08-21 15:29 639229229621964033
8 ms 108.162.193.153
137 2026-08-21 15:29 639229229621964033
8 ms 172.64.33.153
136 2026-08-21 15:29 639229229621964033
8 ms 173.245.59.153
135 2026-08-21 15:12 639229219567270965
15 ms 108.162.193.153
134 2026-08-21 15:12 639229219567270965
15 ms 172.64.33.153
133 2026-08-21 15:12 639229219567270965
15 ms 173.245.59.153
132 2026-08-21 14:55 639229209406666856
34 ms 108.162.193.153
131 2026-08-21 14:55 639229209406666856
34 ms 172.64.33.153
130 2026-08-21 14:55 639229209406666856
34 ms 173.245.59.153
129 2026-08-21 14:03 639229177815876178
4 ms 108.162.193.153
128 2026-08-21 14:03 639229177815876178
4 ms 172.64.33.153
127 2026-08-21 14:03 639229177815876178
4 ms 173.245.59.153
126 2026-08-21 13:47 639229168243572685
31 ms 108.162.193.153
125 2026-08-21 13:47 639229168243572685
31 ms 172.64.33.153
124 2026-08-21 13:47 639229168243572685
31 ms 173.245.59.153
123 2026-08-21 13:31 639229158599856475
10 ms 173.245.59.153
122 2026-08-21 13:31 639229158599856475
10 ms 172.64.33.153
121 2026-08-21 13:31 639229158599856475
10 ms 108.162.193.153
120 2026-08-21 13:15 639229148998940902
14 ms 173.245.59.153
119 2026-08-21 13:15 639229148998940902
14 ms 108.162.193.153
118 2026-08-21 13:15 639229148998940902
14 ms 172.64.33.153
117 2026-08-21 12:59 639229139276923594
31 ms 173.245.59.153
116 2026-08-21 12:59 639229139276923594
31 ms 108.162.193.153
115 2026-08-21 12:59 639229139276923594
31 ms 172.64.33.153
114 2026-08-21 12:43 639229129709912394
26 ms 108.162.193.153
113 2026-08-21 12:43 639229129709912394
26 ms 172.64.33.153
112 2026-08-21 12:43 639229129709912394
26 ms 173.245.59.153
111 2026-08-21 12:26 639229119801488500
7 ms 108.162.193.153
110 2026-08-21 12:26 639229119801488500
7 ms 172.64.33.153
109 2026-08-21 12:26 639229119801488500
7 ms 173.245.59.153
108 2026-08-21 12:10 639229110135262458
14 ms 172.64.33.153
107 2026-08-21 12:10 639229110135262458
14 ms 173.245.59.153
106 2026-08-21 12:10 639229110135262458
14 ms 108.162.193.153
105 2026-08-21 11:54 639229100336051392
6 ms 108.162.193.153
104 2026-08-21 11:54 639229100336051392
6 ms 172.64.33.153
103 2026-08-21 11:54 639229100336051392
6 ms 173.245.59.153
102 2026-08-21 11:38 639229090641415626
16 ms 108.162.193.153
101 2026-08-21 11:38 639229090641415626
16 ms 172.64.33.153
100 2026-08-21 11:38 639229090641415626
16 ms 173.245.59.153
99 2026-08-21 11:21 639229080702683947
15 ms 108.162.193.153
98 2026-08-21 11:21 639229080702683947
15 ms 172.64.33.153
97 2026-08-21 11:21 639229080702683947
15 ms 173.245.59.153
96 2026-08-21 11:04 639229070601456699
7 ms 108.162.193.153
95 2026-08-21 11:04 639229070601456699
7 ms 172.64.33.153
94 2026-08-21 11:04 639229070601456699
7 ms 173.245.59.153
93 2026-08-21 10:11 639229038947447232
17 ms 172.64.33.153
92 2026-08-21 10:11 639229038947447232
17 ms 173.245.59.153
91 2026-08-21 10:11 639229038947447232
17 ms 108.162.193.153
90 2026-08-21 09:55 639229029268708773
7 ms 172.64.33.153
89 2026-08-21 09:55 639229029268708773
7 ms 173.245.59.153
88 2026-08-21 09:55 639229029268708773
7 ms 108.162.193.153
87 2026-08-21 09:39 639229019647910603
4 ms 108.162.193.153
86 2026-08-21 09:39 639229019647910603
4 ms 172.64.33.153
85 2026-08-21 09:39 639229019647910603
4 ms 173.245.59.153
84 2026-08-21 09:23 639229009983843738
9 ms 108.162.193.153
83 2026-08-21 09:23 639229009983843738
9 ms 172.64.33.153
82 2026-08-21 09:23 639229009983843738
9 ms 173.245.59.153
81 2026-08-21 09:07 639229000203331882
19 ms 108.162.193.153
80 2026-08-21 09:07 639229000203331882
19 ms 172.64.33.153
79 2026-08-21 09:07 639229000203331882
19 ms 173.245.59.153
78 2026-08-21 08:50 639228990302335999
23 ms 108.162.193.153
77 2026-08-21 08:50 639228990302335999
23 ms 172.64.33.153
76 2026-08-21 08:50 639228990302335999
23 ms 173.245.59.153
75 2026-08-21 08:34 639228980567740722
43 ms 108.162.193.153
74 2026-08-21 08:34 639228980567740722
43 ms 172.64.33.153
73 2026-08-21 08:34 639228980567740722
43 ms 173.245.59.153
72 2026-08-21 08:18 639228970762445174
8 ms 108.162.193.153
71 2026-08-21 08:18 639228970762445174
8 ms 172.64.33.153
70 2026-08-21 08:18 639228970762445174
8 ms 173.245.59.153
69 2026-08-21 08:02 639228961065054445
4 ms 108.162.193.153
68 2026-08-21 08:02 639228961065054445
4 ms 172.64.33.153
67 2026-08-21 08:02 639228961065054445
4 ms 173.245.59.153
66 2026-08-21 07:45 639228951224649885
5 ms 108.162.193.153
65 2026-08-21 07:45 639228951224649885
5 ms 172.64.33.153
64 2026-08-21 07:45 639228951224649885
5 ms 173.245.59.153
63 2026-08-21 07:29 639228941303864592
40 ms 173.245.59.153
62 2026-08-21 07:29 639228941303864592
40 ms 172.64.33.153
61 2026-08-21 07:29 639228941303864592
40 ms 108.162.193.153
60 2026-08-21 07:12 639228931191328583
33 ms 108.162.193.153
59 2026-08-21 07:12 639228931191328583
33 ms 172.64.33.153
58 2026-08-21 07:12 639228931191328583
33 ms 173.245.59.153
57 2026-08-21 06:19 639228899518173317
28 ms 108.162.193.153
56 2026-08-21 06:19 639228899518173317
28 ms 172.64.33.153
55 2026-08-21 06:19 639228899518173317
28 ms 173.245.59.153
54 2026-08-21 06:03 639228889785027669
16 ms 108.162.193.153
53 2026-08-21 06:03 639228889785027669
16 ms 172.64.33.153
52 2026-08-21 06:03 639228889785027669
16 ms 173.245.59.153
51 2026-08-21 05:47 639228880106330161
13 ms 108.162.193.153
50 2026-08-21 05:47 639228880106330161
13 ms 172.64.33.153
49 2026-08-21 05:47 639228880106330161
13 ms 173.245.59.153
48 2026-08-21 05:30 639228870316184091
3 ms 108.162.193.153
47 2026-08-21 05:30 639228870316184091
3 ms 172.64.33.153
46 2026-08-21 05:30 639228870316184091
3 ms 173.245.59.153
45 2026-08-21 05:14 639228860695366512
12 ms 108.162.193.153
44 2026-08-21 05:14 639228860695366512
12 ms 172.64.33.153
43 2026-08-21 05:14 639228860695366512
12 ms 173.245.59.153
42 2026-08-21 04:58 639228851027209500
27 ms 108.162.193.153
41 2026-08-21 04:58 639228851027209500
27 ms 172.64.33.153
40 2026-08-21 04:58 639228851027209500
27 ms 173.245.59.153
39 2026-08-21 04:42 639228841479265462
60 ms 108.162.193.153
38 2026-08-21 04:42 639228841479265462
60 ms 172.64.33.153
37 2026-08-21 04:42 639228841479265462
60 ms 173.245.59.153
36 2026-08-21 04:26 639228831752962260
31 ms 108.162.193.153
35 2026-08-21 04:26 639228831752962260
31 ms 172.64.33.153
34 2026-08-21 04:26 639228831752962260
31 ms 173.245.59.153
33 2026-08-21 04:10 639228821953295483
9 ms 108.162.193.153
32 2026-08-21 04:10 639228821953295483
9 ms 172.64.33.153
31 2026-08-21 04:10 639228821953295483
9 ms 173.245.59.153
30 2026-08-21 03:53 639228812227429953
5 ms 108.162.193.153
29 2026-08-21 03:53 639228812227429953
5 ms 172.64.33.153
28 2026-08-21 03:53 639228812227429953
5 ms 173.245.59.153
27 2026-08-21 03:37 639228802476107538
13 ms 172.64.33.153
26 2026-08-21 03:37 639228802476107538
13 ms 173.245.59.153
25 2026-08-21 03:37 639228802476107538
13 ms 108.162.193.153
24 2026-08-21 03:21 639228792525492032
4 ms 108.162.193.153
23 2026-08-21 03:21 639228792525492032
4 ms 172.64.33.153
22 2026-08-21 03:21 639228792525492032
4 ms 173.245.59.153
21 2026-08-21 02:28 639228761131421385
78 ms 108.162.193.153
20 2026-08-21 02:28 639228761131421385
78 ms 172.64.33.153
19 2026-08-21 02:28 639228761131421385
78 ms 173.245.59.153
18 2026-08-21 02:12 639228751571206692
18 ms 108.162.193.153
17 2026-08-21 02:12 639228751571206692
18 ms 172.64.33.153
16 2026-08-21 02:12 639228751571206692
18 ms 173.245.59.153
15 2026-08-21 01:56 639228741705571019
20 ms 172.64.33.153
14 2026-08-21 01:56 639228741705571019
20 ms 108.162.193.153
13 2026-08-21 01:56 639228741705571019
20 ms 173.245.59.153
12 2026-08-21 01:39 639228731642208228
8 ms 108.162.193.153
11 2026-08-21 01:39 639228731642208228
8 ms 172.64.33.153
10 2026-08-21 01:39 639228731642208228
8 ms 173.245.59.153
9 2026-08-21 00:47 639228700387002072
3 ms 108.162.193.153
8 2026-08-21 00:47 639228700387002072
3 ms 172.64.33.153
7 2026-08-21 00:47 639228700387002072
3 ms 173.245.59.153
6 2026-08-21 00:31 639228690742014433
35 ms 108.162.193.153
5 2026-08-21 00:31 639228690742014433
35 ms 173.245.59.153
4 2026-08-21 00:31 639228690742014433
35 ms 172.64.33.153
3 2026-08-21 00:15 639228680877937122
27 ms 108.162.193.153
2 2026-08-21 00:15 639228680877937122
27 ms 172.64.33.153
1 2026-08-21 00:15 639228680877937122
27 ms 173.245.59.153