DNS response history for buck.ns.cloudflare.com

buck.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 2026-08-26. For this date, NameServerHistory found 206 DNS check records, 204 successful responses, 2 failed responses, and 194 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 buck.ns.cloudflare.com.
Records on Selected Date

206

Historical checks stored for this nameserver on selected date

Average Latency

194 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 23:45

All timestamps shown in UTC

Latest Resolved IP on Selected Date

108.162.193.78

Most recently resolved hosting IP on selected date

Successful Responses

204

Checks that returned a measurable response

Failed Responses

2

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 buck.ns.cloudflare.com

Showing DNS history for 2026-08-26 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
206 2026-08-26 23:45 639233846871926285
5 ms 108.162.193.78
205 2026-08-26 23:45 639233846871926285
5 ms 172.64.33.78
204 2026-08-26 23:45 639233846871926285
5 ms 173.245.59.78
203 2026-08-26 22:51 639233814527872887
4 ms 108.162.193.78
202 2026-08-26 22:51 639233814527872887
4 ms 172.64.33.78
201 2026-08-26 22:51 639233814527872887
4 ms 173.245.59.78
200 2026-08-26 22:34 639233804315489381
3 ms 108.162.193.78
199 2026-08-26 22:34 639233804315489381
3 ms 172.64.33.78
198 2026-08-26 22:34 639233804315489381
3 ms 173.245.59.78
197 2026-08-26 22:17 639233793971346256
8 ms 108.162.193.78
196 2026-08-26 22:17 639233793971346256
8 ms 172.64.33.78
195 2026-08-26 22:17 639233793971346256
8 ms 173.245.59.78
194 2026-08-26 21:59 639233783644630463
4 ms 108.162.193.78
193 2026-08-26 21:59 639233783644630463
4 ms 172.64.33.78
192 2026-08-26 21:59 639233783644630463
4 ms 173.245.59.78
191 2026-08-26 21:42 639233773302621314
31 ms 108.162.193.78
190 2026-08-26 21:42 639233773302621314
31 ms 172.64.33.78
189 2026-08-26 21:42 639233773302621314
31 ms 173.245.59.78
188 2026-08-26 21:25 639233762896723748
5 ms 108.162.193.78
187 2026-08-26 21:25 639233762896723748
5 ms 172.64.33.78
186 2026-08-26 21:25 639233762896723748
5 ms 173.245.59.78
185 2026-08-26 21:07 639233752543876329
35 ms 172.64.33.78
184 2026-08-26 21:07 639233752543876329
35 ms 108.162.193.78
183 2026-08-26 21:07 639233752543876329
35 ms 173.245.59.78
182 2026-08-26 20:50 639233742155931788
16 ms 108.162.193.78
181 2026-08-26 20:50 639233742155931788
16 ms 172.64.33.78
180 2026-08-26 20:50 639233742155931788
16 ms 173.245.59.78
179 2026-08-26 20:33 639233731712555311
4 ms 108.162.193.78
178 2026-08-26 20:33 639233731712555311
4 ms 172.64.33.78
177 2026-08-26 20:33 639233731712555311
4 ms 173.245.59.78
176 2026-08-26 20:15 639233721164051126
2012 ms 172.64.33.78
175 2026-08-26 20:15 639233721164051126
2012 ms 108.162.193.78
174 2026-08-26 20:15 639233721164051126
2012 ms 173.245.59.78
173 2026-08-26 19:57 639233710560486320
5 ms 108.162.193.78
172 2026-08-26 19:57 639233710560486320
5 ms 172.64.33.78
171 2026-08-26 19:57 639233710560486320
5 ms 173.245.59.78
170 2026-08-26 19:40 639233699834667450
9 ms 108.162.193.78
169 2026-08-26 19:40 639233699834667450
9 ms 172.64.33.78
168 2026-08-26 19:40 639233699834667450
9 ms 173.245.59.78
167 2026-08-26 18:45 639233667209186136
2049 ms 173.245.59.78
166 2026-08-26 18:45 639233667209186136
2049 ms 172.64.33.78
165 2026-08-26 18:45 639233667209186136
2049 ms 108.162.193.78
164 2026-08-26 18:28 639233656814316266
27 ms 108.162.193.78
163 2026-08-26 18:28 639233656814316266
27 ms 173.245.59.78
162 2026-08-26 18:28 639233656814316266
27 ms 172.64.33.78
161 2026-08-26 18:10 639233646245051806
31 ms 172.64.33.78
160 2026-08-26 18:10 639233646245051806
31 ms 173.245.59.78
159 2026-08-26 18:10 639233646245051806
31 ms 108.162.193.78
158 2026-08-26 17:53 639233635663779051
12 ms 108.162.193.78
157 2026-08-26 17:53 639233635663779051
12 ms 173.245.59.78
156 2026-08-26 17:53 639233635663779051
12 ms 172.64.33.78
155 2026-08-26 17:35 639233624977342122
8 ms 173.245.59.78
154 2026-08-26 17:35 639233624977342122
8 ms 108.162.193.78
153 2026-08-26 17:35 639233624977342122
8 ms 172.64.33.78
152 2026-08-26 17:17 639233614446136153
5 ms 108.162.193.78
151 2026-08-26 17:17 639233614446136153
5 ms 172.64.33.78
150 2026-08-26 17:17 639233614446136153
5 ms 173.245.59.78
149 2026-08-26 16:59 639233603737877581
17 ms 173.245.59.78
148 2026-08-26 16:59 639233603737877581
17 ms 108.162.193.78
147 2026-08-26 16:59 639233603737877581
17 ms 172.64.33.78
146 2026-08-26 16:42 639233593269224651
12 ms 108.162.193.78
145 2026-08-26 16:42 639233593269224651
12 ms 173.245.59.78
144 2026-08-26 16:42 639233593269224651
12 ms 172.64.33.78
143 2026-08-26 16:24 639233582635086903
7 ms 172.64.33.78
142 2026-08-26 16:24 639233582635086903
7 ms 173.245.59.78
141 2026-08-26 16:24 639233582635086903
7 ms 108.162.193.78
140 2026-08-26 16:07 639233572000374575
-
139 2026-08-26 15:49 639233561188633861
4 ms 108.162.193.78
138 2026-08-26 15:49 639233561188633861
4 ms 172.64.33.78
137 2026-08-26 15:49 639233561188633861
4 ms 173.245.59.78
136 2026-08-26 15:31 639233550544357027
12 ms 172.64.33.78
135 2026-08-26 15:31 639233550544357027
12 ms 108.162.193.78
134 2026-08-26 15:31 639233550544357027
12 ms 173.245.59.78
133 2026-08-26 14:36 639233517966053117
58 ms 108.162.193.78
132 2026-08-26 14:36 639233517966053117
58 ms 172.64.33.78
131 2026-08-26 14:36 639233517966053117
58 ms 173.245.59.78
130 2026-08-26 14:19 639233507603253585
4 ms 108.162.193.78
129 2026-08-26 14:19 639233507603253585
4 ms 172.64.33.78
128 2026-08-26 14:19 639233507603253585
4 ms 173.245.59.78
127 2026-08-26 14:02 639233497229039167
37 ms 108.162.193.78
126 2026-08-26 14:02 639233497229039167
37 ms 172.64.33.78
125 2026-08-26 14:02 639233497229039167
37 ms 173.245.59.78
124 2026-08-26 13:45 639233486864546406
37 ms 172.64.33.78
123 2026-08-26 13:45 639233486864546406
37 ms 108.162.193.78
122 2026-08-26 13:45 639233486864546406
37 ms 173.245.59.78
121 2026-08-26 13:27 639233476455174682
42 ms 173.245.59.78
120 2026-08-26 13:27 639233476455174682
42 ms 108.162.193.78
119 2026-08-26 13:27 639233476455174682
42 ms 172.64.33.78
118 2026-08-26 13:10 639233466171592605
41 ms 172.64.33.78
117 2026-08-26 13:10 639233466171592605
41 ms 173.245.59.78
116 2026-08-26 13:10 639233466171592605
41 ms 108.162.193.78
115 2026-08-26 12:53 639233455747096265
44 ms 108.162.193.78
114 2026-08-26 12:53 639233455747096265
44 ms 172.64.33.78
113 2026-08-26 12:53 639233455747096265
44 ms 173.245.59.78
112 2026-08-26 12:35 639233445367152284
21 ms 108.162.193.78
111 2026-08-26 12:35 639233445367152284
21 ms 172.64.33.78
110 2026-08-26 12:35 639233445367152284
21 ms 173.245.59.78
109 2026-08-26 12:18 639233434974187439
6 ms 108.162.193.78
108 2026-08-26 12:18 639233434974187439
6 ms 172.64.33.78
107 2026-08-26 12:18 639233434974187439
6 ms 173.245.59.78
106 2026-08-26 12:01 639233424567558554
8 ms 173.245.59.78
105 2026-08-26 12:01 639233424567558554
8 ms 108.162.193.78
104 2026-08-26 12:01 639233424567558554
8 ms 172.64.33.78
103 2026-08-26 11:43 639233414056832719
5 ms 108.162.193.78
102 2026-08-26 11:43 639233414056832719
5 ms 172.64.33.78
101 2026-08-26 11:43 639233414056832719
5 ms 173.245.59.78
100 2026-08-26 11:26 639233403515141099
-
99 2026-08-26 10:31 639233370841350248
11 ms 108.162.193.78
98 2026-08-26 10:31 639233370841350248
11 ms 172.64.33.78
97 2026-08-26 10:31 639233370841350248
11 ms 173.245.59.78
96 2026-08-26 10:14 639233360361507238
7 ms 108.162.193.78
95 2026-08-26 10:14 639233360361507238
7 ms 172.64.33.78
94 2026-08-26 10:14 639233360361507238
7 ms 173.245.59.78
93 2026-08-26 09:57 639233350067824371
7 ms 108.162.193.78
92 2026-08-26 09:57 639233350067824371
7 ms 172.64.33.78
91 2026-08-26 09:57 639233350067824371
7 ms 173.245.59.78
90 2026-08-26 09:39 639233339545274518
9 ms 108.162.193.78
89 2026-08-26 09:39 639233339545274518
9 ms 172.64.33.78
88 2026-08-26 09:39 639233339545274518
9 ms 173.245.59.78
87 2026-08-26 09:22 639233329214918079
9 ms 108.162.193.78
86 2026-08-26 09:22 639233329214918079
9 ms 172.64.33.78
85 2026-08-26 09:22 639233329214918079
9 ms 173.245.59.78
84 2026-08-26 09:04 639233318749762337
15 ms 108.162.193.78
83 2026-08-26 09:04 639233318749762337
15 ms 172.64.33.78
82 2026-08-26 09:04 639233318749762337
15 ms 173.245.59.78
81 2026-08-26 08:47 639233308387917838
8 ms 108.162.193.78
80 2026-08-26 08:47 639233308387917838
8 ms 172.64.33.78
79 2026-08-26 08:47 639233308387917838
8 ms 173.245.59.78
78 2026-08-26 08:30 639233297961740122
29 ms 173.245.59.78
77 2026-08-26 08:30 639233297961740122
29 ms 108.162.193.78
76 2026-08-26 08:30 639233297961740122
29 ms 172.64.33.78
75 2026-08-26 08:12 639233287487159094
22 ms 172.64.33.78
74 2026-08-26 08:12 639233287487159094
22 ms 173.245.59.78
73 2026-08-26 08:12 639233287487159094
22 ms 108.162.193.78
72 2026-08-26 07:55 639233276995531707
7 ms 173.245.59.78
71 2026-08-26 07:55 639233276995531707
7 ms 108.162.193.78
70 2026-08-26 07:55 639233276995531707
7 ms 172.64.33.78
69 2026-08-26 07:37 639233266521568229
4 ms 108.162.193.78
68 2026-08-26 07:37 639233266521568229
4 ms 172.64.33.78
67 2026-08-26 07:37 639233266521568229
4 ms 173.245.59.78
66 2026-08-26 07:20 639233256081047431
5 ms 108.162.193.78
65 2026-08-26 07:20 639233256081047431
5 ms 172.64.33.78
64 2026-08-26 07:20 639233256081047431
5 ms 173.245.59.78
63 2026-08-26 06:26 639233223620132921
9 ms 108.162.193.78
62 2026-08-26 06:26 639233223620132921
9 ms 172.64.33.78
61 2026-08-26 06:26 639233223620132921
9 ms 173.245.59.78
60 2026-08-26 06:09 639233213287814244
14 ms 172.64.33.78
59 2026-08-26 06:09 639233213287814244
14 ms 108.162.193.78
58 2026-08-26 06:09 639233213287814244
14 ms 173.245.59.78
57 2026-08-26 05:51 639233202925983161
5 ms 108.162.193.78
56 2026-08-26 05:51 639233202925983161
5 ms 172.64.33.78
55 2026-08-26 05:51 639233202925983161
5 ms 173.245.59.78
54 2026-08-26 05:34 639233192644780696
31 ms 108.162.193.78
53 2026-08-26 05:34 639233192644780696
31 ms 172.64.33.78
52 2026-08-26 05:34 639233192644780696
31 ms 173.245.59.78
51 2026-08-26 05:17 639233182401183833
28 ms 108.162.193.78
50 2026-08-26 05:17 639233182401183833
28 ms 172.64.33.78
49 2026-08-26 05:17 639233182401183833
28 ms 173.245.59.78
48 2026-08-26 05:00 639233172074181051
7 ms 108.162.193.78
47 2026-08-26 05:00 639233172074181051
7 ms 172.64.33.78
46 2026-08-26 05:00 639233172074181051
7 ms 173.245.59.78
45 2026-08-26 04:43 639233161808421455
2014 ms 108.162.193.78
44 2026-08-26 04:43 639233161808421455
2014 ms 173.245.59.78
43 2026-08-26 04:43 639233161808421455
2014 ms 172.64.33.78
42 2026-08-26 04:25 639233151357344052
4 ms 108.162.193.78
41 2026-08-26 04:25 639233151357344052
4 ms 172.64.33.78
40 2026-08-26 04:25 639233151357344052
4 ms 173.245.59.78
39 2026-08-26 04:08 639233141034116946
37 ms 108.162.193.78
38 2026-08-26 04:08 639233141034116946
37 ms 172.64.33.78
37 2026-08-26 04:08 639233141034116946
37 ms 173.245.59.78
36 2026-08-26 03:51 639233130828334142
11 ms 172.64.33.78
35 2026-08-26 03:51 639233130828334142
11 ms 108.162.193.78
34 2026-08-26 03:51 639233130828334142
11 ms 173.245.59.78
33 2026-08-26 03:34 639233120373450007
9 ms 173.245.59.78
32 2026-08-26 03:34 639233120373450007
9 ms 108.162.193.78
31 2026-08-26 03:34 639233120373450007
9 ms 172.64.33.78
30 2026-08-26 03:17 639233110066216193
55 ms 108.162.193.78
29 2026-08-26 03:17 639233110066216193
55 ms 172.64.33.78
28 2026-08-26 03:17 639233110066216193
55 ms 173.245.59.78
27 2026-08-26 02:23 639233078065410564
16 ms 108.162.193.78
26 2026-08-26 02:23 639233078065410564
16 ms 172.64.33.78
25 2026-08-26 02:23 639233078065410564
16 ms 173.245.59.78
24 2026-08-26 02:06 639233067787457832
2036 ms 173.245.59.78
23 2026-08-26 02:06 639233067787457832
2036 ms 172.64.33.78
22 2026-08-26 02:06 639233067787457832
2036 ms 108.162.193.78
21 2026-08-26 01:49 639233057501801162
28 ms 108.162.193.78
20 2026-08-26 01:49 639233057501801162
28 ms 172.64.33.78
19 2026-08-26 01:49 639233057501801162
28 ms 173.245.59.78
18 2026-08-26 01:32 639233047089431703
20 ms 108.162.193.78
17 2026-08-26 01:32 639233047089431703
20 ms 172.64.33.78
16 2026-08-26 01:32 639233047089431703
20 ms 173.245.59.78
15 2026-08-26 01:15 639233036754790688
2026 ms 172.64.33.78
14 2026-08-26 01:15 639233036754790688
2026 ms 173.245.59.78
13 2026-08-26 01:15 639233036754790688
2026 ms 108.162.193.78
12 2026-08-26 00:57 639233026412602472
4 ms 108.162.193.78
11 2026-08-26 00:57 639233026412602472
4 ms 172.64.33.78
10 2026-08-26 00:57 639233026412602472
4 ms 173.245.59.78
9 2026-08-26 00:40 639233016064066127
34 ms 108.162.193.78
8 2026-08-26 00:40 639233016064066127
34 ms 173.245.59.78
7 2026-08-26 00:40 639233016064066127
34 ms 172.64.33.78
6 2026-08-26 00:23 639233005922655772
2011 ms 108.162.193.78
5 2026-08-26 00:23 639233005922655772
2011 ms 172.64.33.78
4 2026-08-26 00:23 639233005922655772
2011 ms 173.245.59.78
3 2026-08-26 00:06 639232995672256907
10 ms 108.162.193.78
2 2026-08-26 00:06 639232995672256907
10 ms 172.64.33.78
1 2026-08-26 00:06 639232995672256907
10 ms 173.245.59.78