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 2026-08-13. For this date, NameServerHistory found 214 DNS check records, 213 successful responses, 1 failed responses, and 82 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

214

Historical checks stored for this nameserver on selected date

Average Latency

82 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-13 23:51

All timestamps shown in UTC

Latest Resolved IP on Selected Date

173.245.59.153

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 dean.ns.cloudflare.com

Showing DNS history for 2026-08-13 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 2026-08-13 23:51 639222618462620588
20 ms 173.245.59.153
213 2026-08-13 23:51 639222618462620588
20 ms 108.162.193.153
212 2026-08-13 23:51 639222618462620588
20 ms 172.64.33.153
211 2026-08-13 23:34 639222608688333012
4 ms 108.162.193.153
210 2026-08-13 23:34 639222608688333012
4 ms 172.64.33.153
209 2026-08-13 23:34 639222608688333012
4 ms 173.245.59.153
208 2026-08-13 23:18 639222598741756356
6 ms 108.162.193.153
207 2026-08-13 23:18 639222598741756356
6 ms 172.64.33.153
206 2026-08-13 23:18 639222598741756356
6 ms 173.245.59.153
205 2026-08-13 23:01 639222588615244093
49 ms 108.162.193.153
204 2026-08-13 23:01 639222588615244093
49 ms 172.64.33.153
203 2026-08-13 23:01 639222588615244093
49 ms 173.245.59.153
202 2026-08-13 22:07 639222556495289724
8 ms 108.162.193.153
201 2026-08-13 22:07 639222556495289724
8 ms 172.64.33.153
200 2026-08-13 22:07 639222556495289724
8 ms 173.245.59.153
199 2026-08-13 21:51 639222546477917698
5 ms 108.162.193.153
198 2026-08-13 21:51 639222546477917698
5 ms 172.64.33.153
197 2026-08-13 21:51 639222546477917698
5 ms 173.245.59.153
196 2026-08-13 21:34 639222536257653790
2009 ms 108.162.193.153
195 2026-08-13 21:34 639222536257653790
2009 ms 173.245.59.153
194 2026-08-13 21:34 639222536257653790
2009 ms 172.64.33.153
193 2026-08-13 21:16 639222525833084485
36 ms 173.245.59.153
192 2026-08-13 21:16 639222525833084485
36 ms 108.162.193.153
191 2026-08-13 21:16 639222525833084485
36 ms 172.64.33.153
190 2026-08-13 20:59 639222515446085004
36 ms 108.162.193.153
189 2026-08-13 20:59 639222515446085004
36 ms 172.64.33.153
188 2026-08-13 20:59 639222515446085004
36 ms 173.245.59.153
187 2026-08-13 20:42 639222505166766781
81 ms 173.245.59.153
186 2026-08-13 20:42 639222505166766781
81 ms 108.162.193.153
185 2026-08-13 20:42 639222505166766781
81 ms 172.64.33.153
184 2026-08-13 20:25 639222494930541001
38 ms 108.162.193.153
183 2026-08-13 20:25 639222494930541001
38 ms 172.64.33.153
182 2026-08-13 20:25 639222494930541001
38 ms 173.245.59.153
181 2026-08-13 20:07 639222484469216890
26 ms 108.162.193.153
180 2026-08-13 20:07 639222484469216890
26 ms 172.64.33.153
179 2026-08-13 20:07 639222484469216890
26 ms 173.245.59.153
178 2026-08-13 19:50 639222474270039940
7 ms 173.245.59.153
177 2026-08-13 19:50 639222474270039940
7 ms 108.162.193.153
176 2026-08-13 19:50 639222474270039940
7 ms 172.64.33.153
175 2026-08-13 19:33 639222464005587385
35 ms 108.162.193.153
174 2026-08-13 19:33 639222464005587385
35 ms 172.64.33.153
173 2026-08-13 19:33 639222464005587385
35 ms 173.245.59.153
172 2026-08-13 19:16 639222453485975041
19 ms 108.162.193.153
171 2026-08-13 19:16 639222453485975041
19 ms 172.64.33.153
170 2026-08-13 19:16 639222453485975041
19 ms 173.245.59.153
169 2026-08-13 18:58 639222442984828770
49 ms 172.64.33.153
168 2026-08-13 18:58 639222442984828770
49 ms 173.245.59.153
167 2026-08-13 18:58 639222442984828770
49 ms 108.162.193.153
166 2026-08-13 18:04 639222410191353397
46 ms 172.64.33.153
165 2026-08-13 18:04 639222410191353397
46 ms 173.245.59.153
164 2026-08-13 18:04 639222410191353397
46 ms 108.162.193.153
163 2026-08-13 17:47 639222399952628376
10 ms 173.245.59.153
162 2026-08-13 17:47 639222399952628376
10 ms 108.162.193.153
161 2026-08-13 17:47 639222399952628376
10 ms 172.64.33.153
160 2026-08-13 17:29 639222389608608647
4 ms 108.162.193.153
159 2026-08-13 17:29 639222389608608647
4 ms 172.64.33.153
158 2026-08-13 17:29 639222389608608647
4 ms 173.245.59.153
157 2026-08-13 17:13 639222379604012481
23 ms 108.162.193.153
156 2026-08-13 17:13 639222379604012481
23 ms 172.64.33.153
155 2026-08-13 17:13 639222379604012481
23 ms 173.245.59.153
154 2026-08-13 16:56 639222369372672858
16 ms 108.162.193.153
153 2026-08-13 16:56 639222369372672858
16 ms 172.64.33.153
152 2026-08-13 16:56 639222369372672858
16 ms 173.245.59.153
151 2026-08-13 16:39 639222359096909298
3 ms 108.162.193.153
150 2026-08-13 16:39 639222359096909298
3 ms 172.64.33.153
149 2026-08-13 16:39 639222359096909298
3 ms 173.245.59.153
148 2026-08-13 16:21 639222348814301655
39 ms 108.162.193.153
147 2026-08-13 16:21 639222348814301655
39 ms 172.64.33.153
146 2026-08-13 16:21 639222348814301655
39 ms 173.245.59.153
145 2026-08-13 16:04 639222338608331104
32 ms 108.162.193.153
144 2026-08-13 16:04 639222338608331104
32 ms 172.64.33.153
143 2026-08-13 16:04 639222338608331104
32 ms 173.245.59.153
142 2026-08-13 15:47 639222328204609760
5 ms 108.162.193.153
141 2026-08-13 15:47 639222328204609760
5 ms 172.64.33.153
140 2026-08-13 15:47 639222328204609760
5 ms 173.245.59.153
139 2026-08-13 15:30 639222317859759909
45 ms 173.245.59.153
138 2026-08-13 15:30 639222317859759909
45 ms 108.162.193.153
137 2026-08-13 15:30 639222317859759909
45 ms 172.64.33.153
136 2026-08-13 15:13 639222307560137918
31 ms 108.162.193.153
135 2026-08-13 15:13 639222307560137918
31 ms 172.64.33.153
134 2026-08-13 15:13 639222307560137918
31 ms 173.245.59.153
133 2026-08-13 14:56 639222297274357149
9 ms 108.162.193.153
132 2026-08-13 14:56 639222297274357149
9 ms 172.64.33.153
131 2026-08-13 14:56 639222297274357149
9 ms 173.245.59.153
130 2026-08-13 14:02 639222265004477827
8 ms 172.64.33.153
129 2026-08-13 14:02 639222265004477827
8 ms 108.162.193.153
128 2026-08-13 14:02 639222265004477827
8 ms 173.245.59.153
127 2026-08-13 13:46 639222255176583683
8 ms 173.245.59.153
126 2026-08-13 13:46 639222255176583683
8 ms 108.162.193.153
125 2026-08-13 13:46 639222255176583683
8 ms 172.64.33.153
124 2026-08-13 13:29 639222245340146131
17 ms 173.245.59.153
123 2026-08-13 13:29 639222245340146131
17 ms 108.162.193.153
122 2026-08-13 13:29 639222245340146131
17 ms 172.64.33.153
121 2026-08-13 13:13 639222235662219956
10 ms 173.245.59.153
120 2026-08-13 13:13 639222235662219956
10 ms 108.162.193.153
119 2026-08-13 13:13 639222235662219956
10 ms 172.64.33.153
118 2026-08-13 12:57 639222225817223284
16 ms 108.162.193.153
117 2026-08-13 12:57 639222225817223284
16 ms 172.64.33.153
116 2026-08-13 12:57 639222225817223284
16 ms 173.245.59.153
115 2026-08-13 12:41 639222216341869648
31 ms 173.245.59.153
114 2026-08-13 12:41 639222216341869648
31 ms 172.64.33.153
113 2026-08-13 12:41 639222216341869648
31 ms 108.162.193.153
112 2026-08-13 12:25 639222206848442189
20 ms 172.64.33.153
111 2026-08-13 12:25 639222206848442189
20 ms 173.245.59.153
110 2026-08-13 12:25 639222206848442189
20 ms 108.162.193.153
109 2026-08-13 12:10 639222197538963225
7 ms 108.162.193.153
108 2026-08-13 12:10 639222197538963225
7 ms 172.64.33.153
107 2026-08-13 12:10 639222197538963225
7 ms 173.245.59.153
106 2026-08-13 11:54 639222188113685569
5 ms 108.162.193.153
105 2026-08-13 11:54 639222188113685569
5 ms 172.64.33.153
104 2026-08-13 11:54 639222188113685569
5 ms 173.245.59.153
103 2026-08-13 11:38 639222178880138458
4 ms 108.162.193.153
102 2026-08-13 11:38 639222178880138458
4 ms 172.64.33.153
101 2026-08-13 11:38 639222178880138458
4 ms 173.245.59.153
100 2026-08-13 11:23 639222169343013317
12 ms 173.245.59.153
99 2026-08-13 11:23 639222169343013317
12 ms 172.64.33.153
98 2026-08-13 11:23 639222169343013317
12 ms 108.162.193.153
97 2026-08-13 11:07 639222159910600596
21 ms 173.245.59.153
96 2026-08-13 11:07 639222159910600596
21 ms 172.64.33.153
95 2026-08-13 11:07 639222159910600596
21 ms 108.162.193.153
94 2026-08-13 10:15 639222128676274866
40 ms 108.162.193.153
93 2026-08-13 10:15 639222128676274866
40 ms 172.64.33.153
92 2026-08-13 10:15 639222128676274866
40 ms 173.245.59.153
91 2026-08-13 09:59 639222119169781983
105 ms 108.162.193.153
90 2026-08-13 09:59 639222119169781983
105 ms 172.64.33.153
89 2026-08-13 09:59 639222119169781983
105 ms 173.245.59.153
88 2026-08-13 09:44 639222109996148889
35 ms 173.245.59.153
87 2026-08-13 09:44 639222109996148889
35 ms 172.64.33.153
86 2026-08-13 09:44 639222109996148889
35 ms 108.162.193.153
85 2026-08-13 09:28 639222100791323799
-
84 2026-08-13 09:13 639222091647893142
47 ms 173.245.59.153
83 2026-08-13 09:13 639222091647893142
47 ms 172.64.33.153
82 2026-08-13 09:13 639222091647893142
47 ms 108.162.193.153
81 2026-08-13 08:58 639222082524717649
57 ms 108.162.193.153
80 2026-08-13 08:58 639222082524717649
57 ms 172.64.33.153
79 2026-08-13 08:58 639222082524717649
57 ms 173.245.59.153
78 2026-08-13 08:43 639222073378630456
33 ms 108.162.193.153
77 2026-08-13 08:43 639222073378630456
33 ms 172.64.33.153
76 2026-08-13 08:43 639222073378630456
33 ms 173.245.59.153
75 2026-08-13 08:28 639222064537306701
95 ms 108.162.193.153
74 2026-08-13 08:28 639222064537306701
95 ms 172.64.33.153
73 2026-08-13 08:28 639222064537306701
95 ms 173.245.59.153
72 2026-08-13 08:13 639222055409471864
2024 ms 108.162.193.153
71 2026-08-13 08:13 639222055409471864
2024 ms 173.245.59.153
70 2026-08-13 08:13 639222055409471864
2024 ms 172.64.33.153
69 2026-08-13 07:57 639222046117152411
47 ms 108.162.193.153
68 2026-08-13 07:57 639222046117152411
47 ms 172.64.33.153
67 2026-08-13 07:57 639222046117152411
47 ms 173.245.59.153
66 2026-08-13 07:42 639222036915107067
30 ms 108.162.193.153
65 2026-08-13 07:42 639222036915107067
30 ms 172.64.33.153
64 2026-08-13 07:42 639222036915107067
30 ms 173.245.59.153
63 2026-08-13 07:26 639222027654889141
60 ms 108.162.193.153
62 2026-08-13 07:26 639222027654889141
60 ms 172.64.33.153
61 2026-08-13 07:26 639222027654889141
60 ms 173.245.59.153
60 2026-08-13 06:35 639221996824612035
14 ms 108.162.193.153
59 2026-08-13 06:35 639221996824612035
14 ms 173.245.59.153
58 2026-08-13 06:35 639221996824612035
14 ms 172.64.33.153
57 2026-08-13 06:20 639221987863418113
8 ms 108.162.193.153
56 2026-08-13 06:20 639221987863418113
8 ms 172.64.33.153
55 2026-08-13 06:20 639221987863418113
8 ms 173.245.59.153
54 2026-08-13 06:05 639221979006823112
42 ms 172.64.33.153
53 2026-08-13 06:05 639221979006823112
42 ms 173.245.59.153
52 2026-08-13 06:05 639221979006823112
42 ms 108.162.193.153
51 2026-08-13 05:51 639221970068466615
6 ms 108.162.193.153
50 2026-08-13 05:51 639221970068466615
6 ms 172.64.33.153
49 2026-08-13 05:51 639221970068466615
6 ms 173.245.59.153
48 2026-08-13 05:35 639221961001585139
46 ms 172.64.33.153
47 2026-08-13 05:35 639221961001585139
46 ms 173.245.59.153
46 2026-08-13 05:35 639221961001585139
46 ms 108.162.193.153
45 2026-08-13 05:21 639221952104046397
43 ms 108.162.193.153
44 2026-08-13 05:21 639221952104046397
43 ms 172.64.33.153
43 2026-08-13 05:21 639221952104046397
43 ms 173.245.59.153
42 2026-08-13 05:06 639221943247694484
32 ms 172.64.33.153
41 2026-08-13 05:06 639221943247694484
32 ms 173.245.59.153
40 2026-08-13 05:06 639221943247694484
32 ms 108.162.193.153
39 2026-08-13 04:51 639221934603388241
22 ms 108.162.193.153
38 2026-08-13 04:51 639221934603388241
22 ms 172.64.33.153
37 2026-08-13 04:51 639221934603388241
22 ms 173.245.59.153
36 2026-08-13 04:37 639221925729273358
24 ms 108.162.193.153
35 2026-08-13 04:37 639221925729273358
24 ms 173.245.59.153
34 2026-08-13 04:37 639221925729273358
24 ms 172.64.33.153
33 2026-08-13 04:22 639221916777813401
25 ms 108.162.193.153
32 2026-08-13 04:22 639221916777813401
25 ms 172.64.33.153
31 2026-08-13 04:22 639221916777813401
25 ms 173.245.59.153
30 2026-08-13 04:07 639221907816913910
15 ms 172.64.33.153
29 2026-08-13 04:07 639221907816913910
15 ms 173.245.59.153
28 2026-08-13 04:07 639221907816913910
15 ms 108.162.193.153
27 2026-08-13 03:52 639221898639694322
39 ms 108.162.193.153
26 2026-08-13 03:52 639221898639694322
39 ms 172.64.33.153
25 2026-08-13 03:52 639221898639694322
39 ms 173.245.59.153
24 2026-08-13 03:01 639221868257567489
16 ms 172.64.33.153
23 2026-08-13 03:01 639221868257567489
16 ms 173.245.59.153
22 2026-08-13 03:01 639221868257567489
16 ms 108.162.193.153
21 2026-08-13 02:46 639221859270235608
4 ms 108.162.193.153
20 2026-08-13 02:46 639221859270235608
4 ms 172.64.33.153
19 2026-08-13 02:46 639221859270235608
4 ms 173.245.59.153
18 2026-08-13 02:31 639221850184464515
5 ms 108.162.193.153
17 2026-08-13 02:31 639221850184464515
5 ms 172.64.33.153
16 2026-08-13 02:31 639221850184464515
5 ms 173.245.59.153
15 2026-08-13 02:16 639221841141973425
10 ms 172.64.33.153
14 2026-08-13 02:16 639221841141973425
10 ms 173.245.59.153
13 2026-08-13 02:16 639221841141973425
10 ms 108.162.193.153
12 2026-08-13 01:25 639221810548753083
24 ms 108.162.193.153
11 2026-08-13 01:25 639221810548753083
24 ms 172.64.33.153
10 2026-08-13 01:25 639221810548753083
24 ms 173.245.59.153
9 2026-08-13 01:10 639221801656796262
3 ms 108.162.193.153
8 2026-08-13 01:10 639221801656796262
3 ms 172.64.33.153
7 2026-08-13 01:10 639221801656796262
3 ms 173.245.59.153
6 2026-08-13 00:55 639221792658715334
4 ms 108.162.193.153
5 2026-08-13 00:55 639221792658715334
4 ms 172.64.33.153
4 2026-08-13 00:55 639221792658715334
4 ms 173.245.59.153
3 2026-08-13 00:40 639221783571379176
11 ms 173.245.59.153
2 2026-08-13 00:40 639221783571379176
11 ms 172.64.33.153
1 2026-08-13 00:40 639221783571379176
11 ms 108.162.193.153