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 2026-08-18. For this date, NameServerHistory found 223 DNS check records, 222 successful responses, 1 failed responses, and 236 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

223

Historical checks stored for this nameserver on selected date

Average Latency

236 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-18 23:45

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

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 dean.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 23:45 639226935204800669
22 ms 108.162.193.153
222 2026-08-18 23:45 639226935204800669
22 ms 173.245.59.153
221 2026-08-18 23:45 639226935204800669
22 ms 172.64.33.153
220 2026-08-18 23:29 639226925298919497
9 ms 108.162.193.153
219 2026-08-18 23:29 639226925298919497
9 ms 172.64.33.153
218 2026-08-18 23:29 639226925298919497
9 ms 173.245.59.153
217 2026-08-18 23:12 639226915487885053
29 ms 108.162.193.153
216 2026-08-18 23:12 639226915487885053
29 ms 172.64.33.153
215 2026-08-18 23:12 639226915487885053
29 ms 173.245.59.153
214 2026-08-18 22:56 639226905465760034
36 ms 108.162.193.153
213 2026-08-18 22:56 639226905465760034
36 ms 172.64.33.153
212 2026-08-18 22:56 639226905465760034
36 ms 173.245.59.153
211 2026-08-18 22:39 639226895378104692
34 ms 108.162.193.153
210 2026-08-18 22:39 639226895378104692
34 ms 172.64.33.153
209 2026-08-18 22:39 639226895378104692
34 ms 173.245.59.153
208 2026-08-18 21:45 639226863374232622
9 ms 108.162.193.153
207 2026-08-18 21:45 639226863374232622
9 ms 172.64.33.153
206 2026-08-18 21:45 639226863374232622
9 ms 173.245.59.153
205 2026-08-18 21:29 639226853698516058
4 ms 108.162.193.153
204 2026-08-18 21:29 639226853698516058
4 ms 172.64.33.153
203 2026-08-18 21:29 639226853698516058
4 ms 173.245.59.153
202 2026-08-18 21:13 639226843797360601
42 ms 108.162.193.153
201 2026-08-18 21:13 639226843797360601
42 ms 173.245.59.153
200 2026-08-18 21:13 639226843797360601
42 ms 172.64.33.153
199 2026-08-18 20:56 639226834046588155
7 ms 108.162.193.153
198 2026-08-18 20:56 639226834046588155
7 ms 172.64.33.153
197 2026-08-18 20:56 639226834046588155
7 ms 173.245.59.153
196 2026-08-18 20:40 639226824234488533
41 ms 108.162.193.153
195 2026-08-18 20:40 639226824234488533
41 ms 172.64.33.153
194 2026-08-18 20:40 639226824234488533
41 ms 173.245.59.153
193 2026-08-18 20:24 639226814549928621
20 ms 108.162.193.153
192 2026-08-18 20:24 639226814549928621
20 ms 172.64.33.153
191 2026-08-18 20:24 639226814549928621
20 ms 173.245.59.153
190 2026-08-18 20:08 639226804721432353
34 ms 108.162.193.153
189 2026-08-18 20:08 639226804721432353
34 ms 172.64.33.153
188 2026-08-18 20:08 639226804721432353
34 ms 173.245.59.153
187 2026-08-18 19:52 639226795048828184
12 ms 108.162.193.153
186 2026-08-18 19:52 639226795048828184
12 ms 172.64.33.153
185 2026-08-18 19:52 639226795048828184
12 ms 173.245.59.153
184 2026-08-18 19:35 639226785202482420
2011 ms 172.64.33.153
183 2026-08-18 19:35 639226785202482420
2011 ms 173.245.59.153
182 2026-08-18 19:35 639226785202482420
2011 ms 108.162.193.153
181 2026-08-18 19:19 639226775309362607
9 ms 108.162.193.153
180 2026-08-18 19:19 639226775309362607
9 ms 172.64.33.153
179 2026-08-18 19:19 639226775309362607
9 ms 173.245.59.153
178 2026-08-18 19:02 639226765406586155
40 ms 108.162.193.153
177 2026-08-18 19:02 639226765406586155
40 ms 172.64.33.153
176 2026-08-18 19:02 639226765406586155
40 ms 173.245.59.153
175 2026-08-18 18:46 639226755437790519
27 ms 108.162.193.153
174 2026-08-18 18:46 639226755437790519
27 ms 172.64.33.153
173 2026-08-18 18:46 639226755437790519
27 ms 173.245.59.153
172 2026-08-18 17:53 639226723856194457
2032 ms 173.245.59.153
171 2026-08-18 17:53 639226723856194457
2032 ms 172.64.33.153
170 2026-08-18 17:53 639226723856194457
2032 ms 108.162.193.153
169 2026-08-18 17:37 639226714050583422
4 ms 108.162.193.153
168 2026-08-18 17:37 639226714050583422
4 ms 172.64.33.153
167 2026-08-18 17:37 639226714050583422
4 ms 173.245.59.153
166 2026-08-18 17:20 639226704236499724
6 ms 108.162.193.153
165 2026-08-18 17:20 639226704236499724
6 ms 172.64.33.153
164 2026-08-18 17:20 639226704236499724
6 ms 173.245.59.153
163 2026-08-18 17:03 639226694184520163
4027 ms 108.162.193.153
162 2026-08-18 17:03 639226694184520163
4027 ms 173.245.59.153
161 2026-08-18 17:03 639226694184520163
4027 ms 172.64.33.153
160 2026-08-18 16:47 639226684161203477
8 ms 173.245.59.153
159 2026-08-18 16:47 639226684161203477
8 ms 172.64.33.153
158 2026-08-18 16:47 639226684161203477
8 ms 108.162.193.153
157 2026-08-18 16:30 639226674305430109
28 ms 108.162.193.153
156 2026-08-18 16:30 639226674305430109
28 ms 172.64.33.153
155 2026-08-18 16:30 639226674305430109
28 ms 173.245.59.153
154 2026-08-18 16:14 639226664489607984
5 ms 108.162.193.153
153 2026-08-18 16:14 639226664489607984
5 ms 172.64.33.153
152 2026-08-18 16:14 639226664489607984
5 ms 173.245.59.153
151 2026-08-18 15:57 639226654533111667
8 ms 172.64.33.153
150 2026-08-18 15:57 639226654533111667
8 ms 108.162.193.153
149 2026-08-18 15:57 639226654533111667
8 ms 173.245.59.153
148 2026-08-18 15:41 639226644778594725
61 ms 172.64.33.153
147 2026-08-18 15:41 639226644778594725
61 ms 108.162.193.153
146 2026-08-18 15:41 639226644778594725
61 ms 173.245.59.153
145 2026-08-18 15:25 639226634901553621
27 ms 108.162.193.153
144 2026-08-18 15:25 639226634901553621
27 ms 172.64.33.153
143 2026-08-18 15:25 639226634901553621
27 ms 173.245.59.153
142 2026-08-18 15:08 639226624921864967
6 ms 108.162.193.153
141 2026-08-18 15:08 639226624921864967
6 ms 172.64.33.153
140 2026-08-18 15:08 639226624921864967
6 ms 173.245.59.153
139 2026-08-18 14:51 639226614939419403
57 ms 108.162.193.153
138 2026-08-18 14:51 639226614939419403
57 ms 172.64.33.153
137 2026-08-18 14:51 639226614939419403
57 ms 173.245.59.153
136 2026-08-18 13:58 639226583021074771
4 ms 108.162.193.153
135 2026-08-18 13:58 639226583021074771
4 ms 172.64.33.153
134 2026-08-18 13:58 639226583021074771
4 ms 173.245.59.153
133 2026-08-18 13:42 639226573279933585
11 ms 108.162.193.153
132 2026-08-18 13:42 639226573279933585
11 ms 172.64.33.153
131 2026-08-18 13:42 639226573279933585
11 ms 173.245.59.153
130 2026-08-18 13:26 639226563494036301
13 ms 172.64.33.153
129 2026-08-18 13:26 639226563494036301
13 ms 108.162.193.153
128 2026-08-18 13:26 639226563494036301
13 ms 173.245.59.153
127 2026-08-18 13:09 639226553708216256
39 ms 108.162.193.153
126 2026-08-18 13:09 639226553708216256
39 ms 172.64.33.153
125 2026-08-18 13:09 639226553708216256
39 ms 173.245.59.153
124 2026-08-18 12:53 639226544003734815
2037 ms 172.64.33.153
123 2026-08-18 12:53 639226544003734815
2037 ms 108.162.193.153
122 2026-08-18 12:53 639226544003734815
2037 ms 173.245.59.153
121 2026-08-18 12:37 639226534105733155
11 ms 108.162.193.153
120 2026-08-18 12:37 639226534105733155
11 ms 172.64.33.153
119 2026-08-18 12:37 639226534105733155
11 ms 173.245.59.153
118 2026-08-18 12:20 639226524298118898
13 ms 108.162.193.153
117 2026-08-18 12:20 639226524298118898
13 ms 172.64.33.153
116 2026-08-18 12:20 639226524298118898
13 ms 173.245.59.153
115 2026-08-18 12:04 639226514525195335
49 ms 173.245.59.153
114 2026-08-18 12:04 639226514525195335
49 ms 108.162.193.153
113 2026-08-18 12:04 639226514525195335
49 ms 172.64.33.153
112 2026-08-18 11:48 639226504703635320
11 ms 108.162.193.153
111 2026-08-18 11:48 639226504703635320
11 ms 172.64.33.153
110 2026-08-18 11:48 639226504703635320
11 ms 173.245.59.153
109 2026-08-18 11:31 639226494737271720
7 ms 108.162.193.153
108 2026-08-18 11:31 639226494737271720
7 ms 172.64.33.153
107 2026-08-18 11:31 639226494737271720
7 ms 173.245.59.153
106 2026-08-18 11:15 639226485005027236
43 ms 108.162.193.153
105 2026-08-18 11:15 639226485005027236
43 ms 172.64.33.153
104 2026-08-18 11:15 639226485005027236
43 ms 173.245.59.153
103 2026-08-18 10:58 639226475133236105
5 ms 108.162.193.153
102 2026-08-18 10:58 639226475133236105
5 ms 172.64.33.153
101 2026-08-18 10:58 639226475133236105
5 ms 173.245.59.153
100 2026-08-18 10:05 639226442975077052
2021 ms 172.64.33.153
99 2026-08-18 10:05 639226442975077052
2021 ms 173.245.59.153
98 2026-08-18 10:05 639226442975077052
2021 ms 108.162.193.153
97 2026-08-18 09:49 639226433317932039
2027 ms 108.162.193.153
96 2026-08-18 09:49 639226433317932039
2027 ms 172.64.33.153
95 2026-08-18 09:49 639226433317932039
2027 ms 173.245.59.153
94 2026-08-18 09:33 639226423688431096
47 ms 173.245.59.153
93 2026-08-18 09:33 639226423688431096
47 ms 172.64.33.153
92 2026-08-18 09:33 639226423688431096
47 ms 108.162.193.153
91 2026-08-18 09:16 639226413998250045
11 ms 108.162.193.153
90 2026-08-18 09:16 639226413998250045
11 ms 172.64.33.153
89 2026-08-18 09:16 639226413998250045
11 ms 173.245.59.153
88 2026-08-18 09:00 639226404284554875
19 ms 108.162.193.153
87 2026-08-18 09:00 639226404284554875
19 ms 172.64.33.153
86 2026-08-18 09:00 639226404284554875
19 ms 173.245.59.153
85 2026-08-18 08:44 639226394637043309
24 ms 172.64.33.153
84 2026-08-18 08:44 639226394637043309
24 ms 108.162.193.153
83 2026-08-18 08:44 639226394637043309
24 ms 173.245.59.153
82 2026-08-18 08:28 639226385052447582
7 ms 172.64.33.153
81 2026-08-18 08:28 639226385052447582
7 ms 173.245.59.153
80 2026-08-18 08:28 639226385052447582
7 ms 108.162.193.153
79 2026-08-18 08:12 639226375506189603
3 ms 108.162.193.153
78 2026-08-18 08:12 639226375506189603
3 ms 172.64.33.153
77 2026-08-18 08:12 639226375506189603
3 ms 173.245.59.153
76 2026-08-18 07:56 639226365690646426
-
75 2026-08-18 07:39 639226355771007701
27 ms 108.162.193.153
74 2026-08-18 07:39 639226355771007701
27 ms 172.64.33.153
73 2026-08-18 07:39 639226355771007701
27 ms 173.245.59.153
72 2026-08-18 07:23 639226345946269369
14 ms 172.64.33.153
71 2026-08-18 07:23 639226345946269369
14 ms 173.245.59.153
70 2026-08-18 07:23 639226345946269369
14 ms 108.162.193.153
69 2026-08-18 07:07 639226336241601848
7 ms 108.162.193.153
68 2026-08-18 07:07 639226336241601848
7 ms 172.64.33.153
67 2026-08-18 07:07 639226336241601848
7 ms 173.245.59.153
66 2026-08-18 06:15 639226304950675290
5 ms 108.162.193.153
65 2026-08-18 06:15 639226304950675290
5 ms 172.64.33.153
64 2026-08-18 06:15 639226304950675290
5 ms 173.245.59.153
63 2026-08-18 05:59 639226295324754616
33 ms 108.162.193.153
62 2026-08-18 05:59 639226295324754616
33 ms 172.64.33.153
61 2026-08-18 05:59 639226295324754616
33 ms 173.245.59.153
60 2026-08-18 05:43 639226285824640601
4 ms 108.162.193.153
59 2026-08-18 05:43 639226285824640601
4 ms 172.64.33.153
58 2026-08-18 05:43 639226285824640601
4 ms 173.245.59.153
57 2026-08-18 05:27 639226276321223917
3 ms 108.162.193.153
56 2026-08-18 05:27 639226276321223917
3 ms 172.64.33.153
55 2026-08-18 05:27 639226276321223917
3 ms 173.245.59.153
54 2026-08-18 05:11 639226266800200046
21 ms 108.162.193.153
53 2026-08-18 05:11 639226266800200046
21 ms 172.64.33.153
52 2026-08-18 05:11 639226266800200046
21 ms 173.245.59.153
51 2026-08-18 04:55 639226256958066164
12 ms 108.162.193.153
50 2026-08-18 04:55 639226256958066164
12 ms 172.64.33.153
49 2026-08-18 04:55 639226256958066164
12 ms 173.245.59.153
48 2026-08-18 04:39 639226247432364597
7 ms 108.162.193.153
47 2026-08-18 04:39 639226247432364597
7 ms 172.64.33.153
46 2026-08-18 04:39 639226247432364597
7 ms 173.245.59.153
45 2026-08-18 04:23 639226237703388552
36 ms 108.162.193.153
44 2026-08-18 04:23 639226237703388552
36 ms 172.64.33.153
43 2026-08-18 04:23 639226237703388552
36 ms 173.245.59.153
42 2026-08-18 04:06 639226227937569589
4 ms 108.162.193.153
41 2026-08-18 04:06 639226227937569589
4 ms 172.64.33.153
40 2026-08-18 04:06 639226227937569589
4 ms 173.245.59.153
39 2026-08-18 03:50 639226218052465471
2018 ms 172.64.33.153
38 2026-08-18 03:50 639226218052465471
2018 ms 173.245.59.153
37 2026-08-18 03:50 639226218052465471
2018 ms 108.162.193.153
36 2026-08-18 03:34 639226208429623997
16 ms 173.245.59.153
35 2026-08-18 03:34 639226208429623997
16 ms 108.162.193.153
34 2026-08-18 03:34 639226208429623997
16 ms 172.64.33.153
33 2026-08-18 03:18 639226198800675295
5 ms 108.162.193.153
32 2026-08-18 03:18 639226198800675295
5 ms 172.64.33.153
31 2026-08-18 03:18 639226198800675295
5 ms 173.245.59.153
30 2026-08-18 02:26 639226167722042574
63 ms 108.162.193.153
29 2026-08-18 02:26 639226167722042574
63 ms 172.64.33.153
28 2026-08-18 02:26 639226167722042574
63 ms 173.245.59.153
27 2026-08-18 02:10 639226158277924383
56 ms 108.162.193.153
26 2026-08-18 02:10 639226158277924383
56 ms 172.64.33.153
25 2026-08-18 02:10 639226158277924383
56 ms 173.245.59.153
24 2026-08-18 01:54 639226148757810592
15 ms 172.64.33.153
23 2026-08-18 01:54 639226148757810592
15 ms 108.162.193.153
22 2026-08-18 01:54 639226148757810592
15 ms 173.245.59.153
21 2026-08-18 01:39 639226139348611045
36 ms 108.162.193.153
20 2026-08-18 01:39 639226139348611045
36 ms 172.64.33.153
19 2026-08-18 01:39 639226139348611045
36 ms 173.245.59.153
18 2026-08-18 01:23 639226129823462907
6 ms 108.162.193.153
17 2026-08-18 01:23 639226129823462907
6 ms 172.64.33.153
16 2026-08-18 01:23 639226129823462907
6 ms 173.245.59.153
15 2026-08-18 01:07 639226120218260005
10 ms 108.162.193.153
14 2026-08-18 01:07 639226120218260005
10 ms 173.245.59.153
13 2026-08-18 01:07 639226120218260005
10 ms 172.64.33.153
12 2026-08-18 00:51 639226110875503904
5 ms 108.162.193.153
11 2026-08-18 00:51 639226110875503904
5 ms 172.64.33.153
10 2026-08-18 00:51 639226110875503904
5 ms 173.245.59.153
9 2026-08-18 00:35 639226101376311912
24 ms 108.162.193.153
8 2026-08-18 00:35 639226101376311912
24 ms 173.245.59.153
7 2026-08-18 00:35 639226101376311912
24 ms 172.64.33.153
6 2026-08-18 00:20 639226091924943492
4 ms 108.162.193.153
5 2026-08-18 00:20 639226091924943492
4 ms 172.64.33.153
4 2026-08-18 00:20 639226091924943492
4 ms 173.245.59.153
3 2026-08-18 00:03 639226082133158124
9 ms 172.64.33.153
2 2026-08-18 00:03 639226082133158124
9 ms 108.162.193.153
1 2026-08-18 00:03 639226082133158124
9 ms 173.245.59.153