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 2026-08-17. For this date, NameServerHistory found 210 DNS check records, 207 successful responses, 3 failed responses, and 224 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

210

Historical checks stored for this nameserver on selected date

Average Latency

224 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-17 23:47

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

207

Checks that returned a measurable response

Failed Responses

3

Checks with no response or no returned latency

Failure Rate

1%

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 2026-08-17 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
210 2026-08-17 23:47 639226072268080268
16 ms 108.162.193.153
209 2026-08-17 23:47 639226072268080268
16 ms 172.64.33.153
208 2026-08-17 23:47 639226072268080268
16 ms 173.245.59.153
207 2026-08-17 23:31 639226062577647657
4 ms 108.162.193.153
206 2026-08-17 23:31 639226062577647657
4 ms 172.64.33.153
205 2026-08-17 23:31 639226062577647657
4 ms 173.245.59.153
204 2026-08-17 22:38 639226031060857136
4 ms 108.162.193.153
203 2026-08-17 22:38 639226031060857136
4 ms 172.64.33.153
202 2026-08-17 22:38 639226031060857136
4 ms 173.245.59.153
201 2026-08-17 22:22 639226021535117364
4 ms 108.162.193.153
200 2026-08-17 22:22 639226021535117364
4 ms 172.64.33.153
199 2026-08-17 22:22 639226021535117364
4 ms 173.245.59.153
198 2026-08-17 22:06 639226011884237078
57 ms 108.162.193.153
197 2026-08-17 22:06 639226011884237078
57 ms 173.245.59.153
196 2026-08-17 22:06 639226011884237078
57 ms 172.64.33.153
195 2026-08-17 21:50 639226002309299142
4 ms 108.162.193.153
194 2026-08-17 21:50 639226002309299142
4 ms 172.64.33.153
193 2026-08-17 21:50 639226002309299142
4 ms 173.245.59.153
192 2026-08-17 21:34 639225992791784448
47 ms 173.245.59.153
191 2026-08-17 21:34 639225992791784448
47 ms 172.64.33.153
190 2026-08-17 21:34 639225992791784448
47 ms 108.162.193.153
189 2026-08-17 21:18 639225983045271390
8 ms 108.162.193.153
188 2026-08-17 21:18 639225983045271390
8 ms 172.64.33.153
187 2026-08-17 21:18 639225983045271390
8 ms 173.245.59.153
186 2026-08-17 21:02 639225973246293513
38 ms 173.245.59.153
185 2026-08-17 21:02 639225973246293513
38 ms 172.64.33.153
184 2026-08-17 21:02 639225973246293513
38 ms 108.162.193.153
183 2026-08-17 20:46 639225963620186236
41 ms 172.64.33.153
182 2026-08-17 20:46 639225963620186236
41 ms 108.162.193.153
181 2026-08-17 20:46 639225963620186236
41 ms 173.245.59.153
180 2026-08-17 20:30 639225953899183916
5 ms 108.162.193.153
179 2026-08-17 20:30 639225953899183916
5 ms 172.64.33.153
178 2026-08-17 20:30 639225953899183916
5 ms 173.245.59.153
177 2026-08-17 20:14 639225944391528206
20 ms 172.64.33.153
176 2026-08-17 20:14 639225944391528206
20 ms 108.162.193.153
175 2026-08-17 20:14 639225944391528206
20 ms 173.245.59.153
174 2026-08-17 19:57 639225934593254169
8 ms 108.162.193.153
173 2026-08-17 19:57 639225934593254169
8 ms 172.64.33.153
172 2026-08-17 19:57 639225934593254169
8 ms 173.245.59.153
171 2026-08-17 19:41 639225924669984512
12 ms 173.245.59.153
170 2026-08-17 19:41 639225924669984512
12 ms 108.162.193.153
169 2026-08-17 19:41 639225924669984512
12 ms 172.64.33.153
168 2026-08-17 18:48 639225893048561320
13 ms 108.162.193.153
167 2026-08-17 18:48 639225893048561320
13 ms 172.64.33.153
166 2026-08-17 18:48 639225893048561320
13 ms 173.245.59.153
165 2026-08-17 18:32 639225883481298424
40 ms 108.162.193.153
164 2026-08-17 18:32 639225883481298424
40 ms 172.64.33.153
163 2026-08-17 18:32 639225883481298424
40 ms 173.245.59.153
162 2026-08-17 18:16 639225873845394034
23 ms 108.162.193.153
161 2026-08-17 18:16 639225873845394034
23 ms 172.64.33.153
160 2026-08-17 18:16 639225873845394034
23 ms 173.245.59.153
159 2026-08-17 18:00 639225864216078662
65 ms 173.245.59.153
158 2026-08-17 18:00 639225864216078662
65 ms 108.162.193.153
157 2026-08-17 18:00 639225864216078662
65 ms 172.64.33.153
156 2026-08-17 17:44 639225854541857773
16 ms 108.162.193.153
155 2026-08-17 17:44 639225854541857773
16 ms 172.64.33.153
154 2026-08-17 17:44 639225854541857773
16 ms 173.245.59.153
153 2026-08-17 17:28 639225844733604072
2015 ms 172.64.33.153
152 2026-08-17 17:28 639225844733604072
2015 ms 108.162.193.153
151 2026-08-17 17:28 639225844733604072
2015 ms 173.245.59.153
150 2026-08-17 17:12 639225835085229232
14 ms 108.162.193.153
149 2026-08-17 17:12 639225835085229232
14 ms 172.64.33.153
148 2026-08-17 17:12 639225835085229232
14 ms 173.245.59.153
147 2026-08-17 16:55 639225825349373981
57 ms 173.245.59.153
146 2026-08-17 16:55 639225825349373981
57 ms 108.162.193.153
145 2026-08-17 16:55 639225825349373981
57 ms 172.64.33.153
144 2026-08-17 16:39 639225815690604161
30 ms 108.162.193.153
143 2026-08-17 16:39 639225815690604161
30 ms 172.64.33.153
142 2026-08-17 16:39 639225815690604161
30 ms 173.245.59.153
141 2026-08-17 16:23 639225805952472306
4 ms 108.162.193.153
140 2026-08-17 16:23 639225805952472306
4 ms 172.64.33.153
139 2026-08-17 16:23 639225805952472306
4 ms 173.245.59.153
138 2026-08-17 16:07 639225796264729638
4 ms 108.162.193.153
137 2026-08-17 16:07 639225796264729638
4 ms 172.64.33.153
136 2026-08-17 16:07 639225796264729638
4 ms 173.245.59.153
135 2026-08-17 15:50 639225786326499329
7 ms 108.162.193.153
134 2026-08-17 15:50 639225786326499329
7 ms 172.64.33.153
133 2026-08-17 15:50 639225786326499329
7 ms 173.245.59.153
132 2026-08-17 14:58 639225754798130711
82 ms 108.162.193.153
131 2026-08-17 14:58 639225754798130711
82 ms 173.245.59.153
130 2026-08-17 14:58 639225754798130711
82 ms 172.64.33.153
129 2026-08-17 14:42 639225745123193922
2028 ms 172.64.33.153
128 2026-08-17 14:42 639225745123193922
2028 ms 173.245.59.153
127 2026-08-17 14:42 639225745123193922
2028 ms 108.162.193.153
126 2026-08-17 14:26 639225735540597271
4 ms 108.162.193.153
125 2026-08-17 14:26 639225735540597271
4 ms 172.64.33.153
124 2026-08-17 14:26 639225735540597271
4 ms 173.245.59.153
123 2026-08-17 14:10 639225725894857396
7 ms 108.162.193.153
122 2026-08-17 14:10 639225725894857396
7 ms 172.64.33.153
121 2026-08-17 14:10 639225725894857396
7 ms 173.245.59.153
120 2026-08-17 13:54 639225716249606913
8 ms 108.162.193.153
119 2026-08-17 13:54 639225716249606913
8 ms 173.245.59.153
118 2026-08-17 13:54 639225716249606913
8 ms 172.64.33.153
117 2026-08-17 13:37 639225706638238179
6 ms 108.162.193.153
116 2026-08-17 13:37 639225706638238179
6 ms 172.64.33.153
115 2026-08-17 13:37 639225706638238179
6 ms 173.245.59.153
114 2026-08-17 13:21 639225696949691423
13 ms 108.162.193.153
113 2026-08-17 13:21 639225696949691423
13 ms 172.64.33.153
112 2026-08-17 13:21 639225696949691423
13 ms 173.245.59.153
111 2026-08-17 13:05 639225687286186336
13 ms 108.162.193.153
110 2026-08-17 13:05 639225687286186336
13 ms 173.245.59.153
109 2026-08-17 13:05 639225687286186336
13 ms 172.64.33.153
108 2026-08-17 12:49 639225677679573133
6 ms 108.162.193.153
107 2026-08-17 12:49 639225677679573133
6 ms 172.64.33.153
106 2026-08-17 12:49 639225677679573133
6 ms 173.245.59.153
105 2026-08-17 12:33 639225667957861024
13 ms 108.162.193.153
104 2026-08-17 12:33 639225667957861024
13 ms 172.64.33.153
103 2026-08-17 12:33 639225667957861024
13 ms 173.245.59.153
102 2026-08-17 12:17 639225658298791618
5 ms 108.162.193.153
101 2026-08-17 12:17 639225658298791618
5 ms 172.64.33.153
100 2026-08-17 12:17 639225658298791618
5 ms 173.245.59.153
99 2026-08-17 12:01 639225648583652785
2013 ms 108.162.193.153
98 2026-08-17 12:01 639225648583652785
2013 ms 173.245.59.153
97 2026-08-17 12:01 639225648583652785
2013 ms 172.64.33.153
96 2026-08-17 11:08 639225617000524308
50 ms 108.162.193.153
95 2026-08-17 11:08 639225617000524308
50 ms 172.64.33.153
94 2026-08-17 11:08 639225617000524308
50 ms 173.245.59.153
93 2026-08-17 10:53 639225607668541600
4016 ms 172.64.33.153
92 2026-08-17 10:53 639225607668541600
4016 ms 108.162.193.153
91 2026-08-17 10:53 639225607668541600
4016 ms 173.245.59.153
90 2026-08-17 10:37 639225598117279238
2034 ms 108.162.193.153
89 2026-08-17 10:37 639225598117279238
2034 ms 173.245.59.153
88 2026-08-17 10:37 639225598117279238
2034 ms 172.64.33.153
87 2026-08-17 10:21 639225588751002710
20 ms 172.64.33.153
86 2026-08-17 10:21 639225588751002710
20 ms 173.245.59.153
85 2026-08-17 10:21 639225588751002710
20 ms 108.162.193.153
84 2026-08-17 10:05 639225579295831051
29 ms 108.162.193.153
83 2026-08-17 10:05 639225579295831051
29 ms 172.64.33.153
82 2026-08-17 10:05 639225579295831051
29 ms 173.245.59.153
81 2026-08-17 09:49 639225569761469940
8 ms 108.162.193.153
80 2026-08-17 09:49 639225569761469940
8 ms 172.64.33.153
79 2026-08-17 09:49 639225569761469940
8 ms 173.245.59.153
78 2026-08-17 09:33 639225560161422333
3 ms 108.162.193.153
77 2026-08-17 09:33 639225560161422333
3 ms 172.64.33.153
76 2026-08-17 09:33 639225560161422333
3 ms 173.245.59.153
75 2026-08-17 09:18 639225550739955565
18 ms 172.64.33.153
74 2026-08-17 09:18 639225550739955565
18 ms 108.162.193.153
73 2026-08-17 09:18 639225550739955565
18 ms 173.245.59.153
72 2026-08-17 09:02 639225541125222426
2014 ms 173.245.59.153
71 2026-08-17 09:02 639225541125222426
2014 ms 172.64.33.153
70 2026-08-17 09:02 639225541125222426
2014 ms 108.162.193.153
69 2026-08-17 08:46 639225531526675983
63 ms 172.64.33.153
68 2026-08-17 08:46 639225531526675983
63 ms 108.162.193.153
67 2026-08-17 08:46 639225531526675983
63 ms 173.245.59.153
66 2026-08-17 08:30 639225521915528222
28 ms 108.162.193.153
65 2026-08-17 08:30 639225521915528222
28 ms 172.64.33.153
64 2026-08-17 08:30 639225521915528222
28 ms 173.245.59.153
63 2026-08-17 08:13 639225512148151789
10 ms 172.64.33.153
62 2026-08-17 08:13 639225512148151789
10 ms 108.162.193.153
61 2026-08-17 08:13 639225512148151789
10 ms 173.245.59.153
60 2026-08-17 07:21 639225480786142412
8 ms 172.64.33.153
59 2026-08-17 07:21 639225480786142412
8 ms 108.162.193.153
58 2026-08-17 07:21 639225480786142412
8 ms 173.245.59.153
57 2026-08-17 07:05 639225471394348551
17 ms 108.162.193.153
56 2026-08-17 07:05 639225471394348551
17 ms 172.64.33.153
55 2026-08-17 07:05 639225471394348551
17 ms 173.245.59.153
54 2026-08-17 06:50 639225462031685068
40 ms 108.162.193.153
53 2026-08-17 06:50 639225462031685068
40 ms 172.64.33.153
52 2026-08-17 06:50 639225462031685068
40 ms 173.245.59.153
51 2026-08-17 06:34 639225452639458328
31 ms 108.162.193.153
50 2026-08-17 06:34 639225452639458328
31 ms 172.64.33.153
49 2026-08-17 06:34 639225452639458328
31 ms 173.245.59.153
48 2026-08-17 06:19 639225443300966543
-
47 2026-08-17 06:03 639225433880499379
5 ms 108.162.193.153
46 2026-08-17 06:03 639225433880499379
5 ms 172.64.33.153
45 2026-08-17 06:03 639225433880499379
5 ms 173.245.59.153
44 2026-08-17 05:47 639225424395198277
41 ms 172.64.33.153
43 2026-08-17 05:47 639225424395198277
41 ms 173.245.59.153
42 2026-08-17 05:47 639225424395198277
41 ms 108.162.193.153
41 2026-08-17 05:31 639225414744137487
48 ms 108.162.193.153
40 2026-08-17 05:31 639225414744137487
48 ms 172.64.33.153
39 2026-08-17 05:31 639225414744137487
48 ms 173.245.59.153
38 2026-08-17 05:15 639225405186783164
-
37 2026-08-17 04:59 639225395563669822
14 ms 108.162.193.153
36 2026-08-17 04:59 639225395563669822
14 ms 172.64.33.153
35 2026-08-17 04:59 639225395563669822
14 ms 173.245.59.153
34 2026-08-17 04:43 639225386076645158
3 ms 108.162.193.153
33 2026-08-17 04:43 639225386076645158
3 ms 172.64.33.153
32 2026-08-17 04:43 639225386076645158
3 ms 173.245.59.153
31 2026-08-17 04:28 639225376620669704
11 ms 172.64.33.153
30 2026-08-17 04:28 639225376620669704
11 ms 173.245.59.153
29 2026-08-17 04:28 639225376620669704
11 ms 108.162.193.153
28 2026-08-17 03:36 639225345580892706
4 ms 108.162.193.153
27 2026-08-17 03:36 639225345580892706
4 ms 172.64.33.153
26 2026-08-17 03:36 639225345580892706
4 ms 173.245.59.153
25 2026-08-17 03:20 639225336207383710
38 ms 108.162.193.153
24 2026-08-17 03:20 639225336207383710
38 ms 172.64.33.153
23 2026-08-17 03:20 639225336207383710
38 ms 173.245.59.153
22 2026-08-17 03:04 639225326726565001
3 ms 108.162.193.153
21 2026-08-17 03:04 639225326726565001
3 ms 172.64.33.153
20 2026-08-17 03:04 639225326726565001
3 ms 173.245.59.153
19 2026-08-17 02:49 639225317249271010
2 ms 108.162.193.153
18 2026-08-17 02:49 639225317249271010
2 ms 172.64.33.153
17 2026-08-17 02:49 639225317249271010
2 ms 173.245.59.153
16 2026-08-17 01:57 639225286280886044
7 ms 172.64.33.153
15 2026-08-17 01:57 639225286280886044
7 ms 173.245.59.153
14 2026-08-17 01:57 639225286280886044
7 ms 108.162.193.153
13 2026-08-17 01:41 639225276872567548
52 ms 173.245.59.153
12 2026-08-17 01:41 639225276872567548
52 ms 172.64.33.153
11 2026-08-17 01:41 639225276872567548
52 ms 108.162.193.153
10 2026-08-17 01:25 639225267353865348
-
9 2026-08-17 01:10 639225258033914248
32 ms 172.64.33.153
8 2026-08-17 01:10 639225258033914248
32 ms 173.245.59.153
7 2026-08-17 01:10 639225258033914248
32 ms 108.162.193.153
6 2026-08-17 00:18 639225226652221583
30 ms 108.162.193.153
5 2026-08-17 00:18 639225226652221583
30 ms 172.64.33.153
4 2026-08-17 00:18 639225226652221583
30 ms 173.245.59.153
3 2026-08-17 00:02 639225217156387684
45 ms 108.162.193.153
2 2026-08-17 00:02 639225217156387684
45 ms 172.64.33.153
1 2026-08-17 00:02 639225217156387684
45 ms 173.245.59.153