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 2026-08-27. For this date, NameServerHistory found 211 DNS check records, 210 successful responses, 1 failed responses, and 245 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

211

Historical checks stored for this nameserver on selected date

Average Latency

245 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-27 23:11

All timestamps shown in UTC

Latest Resolved IP on Selected Date

173.245.59.78

Most recently resolved hosting IP on selected date

Successful Responses

210

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 buck.ns.cloudflare.com

Showing DNS history for 2026-08-27 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
211 2026-08-27 23:11 639234690580226618
7 ms 173.245.59.78
210 2026-08-27 23:11 639234690580226618
7 ms 108.162.193.78
209 2026-08-27 23:11 639234690580226618
7 ms 172.64.33.78
208 2026-08-27 22:54 639234680477852135
2012 ms 172.64.33.78
207 2026-08-27 22:54 639234680477852135
2012 ms 108.162.193.78
206 2026-08-27 22:54 639234680477852135
2012 ms 173.245.59.78
205 2026-08-27 22:37 639234670282270693
2012 ms 172.64.33.78
204 2026-08-27 22:37 639234670282270693
2012 ms 173.245.59.78
203 2026-08-27 22:37 639234670282270693
2012 ms 108.162.193.78
202 2026-08-27 22:20 639234660146106544
49 ms 108.162.193.78
201 2026-08-27 22:20 639234660146106544
49 ms 172.64.33.78
200 2026-08-27 22:20 639234660146106544
49 ms 173.245.59.78
199 2026-08-27 22:03 639234649768231829
10 ms 108.162.193.78
198 2026-08-27 22:03 639234649768231829
10 ms 172.64.33.78
197 2026-08-27 22:03 639234649768231829
10 ms 173.245.59.78
196 2026-08-27 21:46 639234639589413826
23 ms 108.162.193.78
195 2026-08-27 21:46 639234639589413826
23 ms 172.64.33.78
194 2026-08-27 21:46 639234639589413826
23 ms 173.245.59.78
193 2026-08-27 21:29 639234629372993861
3 ms 108.162.193.78
192 2026-08-27 21:29 639234629372993861
3 ms 172.64.33.78
191 2026-08-27 21:29 639234629372993861
3 ms 173.245.59.78
190 2026-08-27 21:12 639234619223904344
5 ms 108.162.193.78
189 2026-08-27 21:12 639234619223904344
5 ms 172.64.33.78
188 2026-08-27 21:12 639234619223904344
5 ms 173.245.59.78
187 2026-08-27 20:55 639234608944811927
-
186 2026-08-27 20:38 639234598661858910
11 ms 108.162.193.78
185 2026-08-27 20:38 639234598661858910
11 ms 172.64.33.78
184 2026-08-27 20:38 639234598661858910
11 ms 173.245.59.78
183 2026-08-27 20:20 639234588314533893
3 ms 108.162.193.78
182 2026-08-27 20:20 639234588314533893
3 ms 172.64.33.78
181 2026-08-27 20:20 639234588314533893
3 ms 173.245.59.78
180 2026-08-27 20:03 639234577878211878
17 ms 108.162.193.78
179 2026-08-27 20:03 639234577878211878
17 ms 172.64.33.78
178 2026-08-27 20:03 639234577878211878
17 ms 173.245.59.78
177 2026-08-27 19:09 639234545578367474
4 ms 108.162.193.78
176 2026-08-27 19:09 639234545578367474
4 ms 172.64.33.78
175 2026-08-27 19:09 639234545578367474
4 ms 173.245.59.78
174 2026-08-27 18:52 639234535255111795
3 ms 108.162.193.78
173 2026-08-27 18:52 639234535255111795
3 ms 172.64.33.78
172 2026-08-27 18:52 639234535255111795
3 ms 173.245.59.78
171 2026-08-27 18:35 639234525107594067
5 ms 108.162.193.78
170 2026-08-27 18:35 639234525107594067
5 ms 172.64.33.78
169 2026-08-27 18:35 639234525107594067
5 ms 173.245.59.78
168 2026-08-27 18:18 639234514890244566
62 ms 108.162.193.78
167 2026-08-27 18:18 639234514890244566
62 ms 172.64.33.78
166 2026-08-27 18:18 639234514890244566
62 ms 173.245.59.78
165 2026-08-27 18:01 639234504745477862
12 ms 173.245.59.78
164 2026-08-27 18:01 639234504745477862
12 ms 108.162.193.78
163 2026-08-27 18:01 639234504745477862
12 ms 172.64.33.78
162 2026-08-27 17:44 639234494449227290
6 ms 108.162.193.78
161 2026-08-27 17:44 639234494449227290
6 ms 172.64.33.78
160 2026-08-27 17:44 639234494449227290
6 ms 173.245.59.78
159 2026-08-27 17:27 639234484118025686
4 ms 108.162.193.78
158 2026-08-27 17:27 639234484118025686
4 ms 172.64.33.78
157 2026-08-27 17:27 639234484118025686
4 ms 173.245.59.78
156 2026-08-27 17:10 639234473946362077
12 ms 108.162.193.78
155 2026-08-27 17:10 639234473946362077
12 ms 172.64.33.78
154 2026-08-27 17:10 639234473946362077
12 ms 173.245.59.78
153 2026-08-27 16:53 639234463759124388
4 ms 108.162.193.78
152 2026-08-27 16:53 639234463759124388
4 ms 172.64.33.78
151 2026-08-27 16:53 639234463759124388
4 ms 173.245.59.78
150 2026-08-27 16:36 639234453500759178
69 ms 108.162.193.78
149 2026-08-27 16:36 639234453500759178
69 ms 172.64.33.78
148 2026-08-27 16:36 639234453500759178
69 ms 173.245.59.78
147 2026-08-27 16:18 639234442983541638
2012 ms 172.64.33.78
146 2026-08-27 16:18 639234442983541638
2012 ms 108.162.193.78
145 2026-08-27 16:18 639234442983541638
2012 ms 173.245.59.78
144 2026-08-27 16:01 639234432404354562
32 ms 108.162.193.78
143 2026-08-27 16:01 639234432404354562
32 ms 172.64.33.78
142 2026-08-27 16:01 639234432404354562
32 ms 173.245.59.78
141 2026-08-27 15:06 639234399767719119
5 ms 108.162.193.78
140 2026-08-27 15:06 639234399767719119
5 ms 172.64.33.78
139 2026-08-27 15:06 639234399767719119
5 ms 173.245.59.78
138 2026-08-27 14:49 639234389460601485
2012 ms 173.245.59.78
137 2026-08-27 14:49 639234389460601485
2012 ms 108.162.193.78
136 2026-08-27 14:49 639234389460601485
2012 ms 172.64.33.78
135 2026-08-27 14:32 639234379227178707
3 ms 108.162.193.78
134 2026-08-27 14:32 639234379227178707
3 ms 172.64.33.78
133 2026-08-27 14:32 639234379227178707
3 ms 173.245.59.78
132 2026-08-27 14:15 639234369065315214
19 ms 108.162.193.78
131 2026-08-27 14:15 639234369065315214
19 ms 172.64.33.78
130 2026-08-27 14:15 639234369065315214
19 ms 173.245.59.78
129 2026-08-27 13:58 639234358825501576
5 ms 108.162.193.78
128 2026-08-27 13:58 639234358825501576
5 ms 172.64.33.78
127 2026-08-27 13:58 639234358825501576
5 ms 173.245.59.78
126 2026-08-27 13:41 639234348572745268
31 ms 108.162.193.78
125 2026-08-27 13:41 639234348572745268
31 ms 172.64.33.78
124 2026-08-27 13:41 639234348572745268
31 ms 173.245.59.78
123 2026-08-27 13:24 639234338264503481
3 ms 108.162.193.78
122 2026-08-27 13:24 639234338264503481
3 ms 172.64.33.78
121 2026-08-27 13:24 639234338264503481
3 ms 173.245.59.78
120 2026-08-27 13:06 639234327818741376
26 ms 173.245.59.78
119 2026-08-27 13:06 639234327818741376
26 ms 108.162.193.78
118 2026-08-27 13:06 639234327818741376
26 ms 172.64.33.78
117 2026-08-27 12:49 639234317475724313
6 ms 108.162.193.78
116 2026-08-27 12:49 639234317475724313
6 ms 172.64.33.78
115 2026-08-27 12:49 639234317475724313
6 ms 173.245.59.78
114 2026-08-27 12:32 639234307007468133
29 ms 108.162.193.78
113 2026-08-27 12:32 639234307007468133
29 ms 172.64.33.78
112 2026-08-27 12:32 639234307007468133
29 ms 173.245.59.78
111 2026-08-27 12:14 639234296664302575
22 ms 108.162.193.78
110 2026-08-27 12:14 639234296664302575
22 ms 172.64.33.78
109 2026-08-27 12:14 639234296664302575
22 ms 173.245.59.78
108 2026-08-27 11:57 639234286253196126
11 ms 108.162.193.78
107 2026-08-27 11:57 639234286253196126
11 ms 172.64.33.78
106 2026-08-27 11:57 639234286253196126
11 ms 173.245.59.78
105 2026-08-27 11:03 639234253963286387
30 ms 108.162.193.78
104 2026-08-27 11:03 639234253963286387
30 ms 172.64.33.78
103 2026-08-27 11:03 639234253963286387
30 ms 173.245.59.78
102 2026-08-27 10:46 639234243654907465
24 ms 108.162.193.78
101 2026-08-27 10:46 639234243654907465
24 ms 172.64.33.78
100 2026-08-27 10:46 639234243654907465
24 ms 173.245.59.78
99 2026-08-27 10:29 639234233269654413
18 ms 108.162.193.78
98 2026-08-27 10:29 639234233269654413
18 ms 172.64.33.78
97 2026-08-27 10:29 639234233269654413
18 ms 173.245.59.78
96 2026-08-27 10:11 639234222943951923
13 ms 108.162.193.78
95 2026-08-27 10:11 639234222943951923
13 ms 172.64.33.78
94 2026-08-27 10:11 639234222943951923
13 ms 173.245.59.78
93 2026-08-27 09:54 639234212558002823
7 ms 173.245.59.78
92 2026-08-27 09:54 639234212558002823
7 ms 108.162.193.78
91 2026-08-27 09:54 639234212558002823
7 ms 172.64.33.78
90 2026-08-27 09:37 639234202117531850
53 ms 108.162.193.78
89 2026-08-27 09:37 639234202117531850
53 ms 172.64.33.78
88 2026-08-27 09:37 639234202117531850
53 ms 173.245.59.78
87 2026-08-27 09:19 639234191649612722
18 ms 108.162.193.78
86 2026-08-27 09:19 639234191649612722
18 ms 172.64.33.78
85 2026-08-27 09:19 639234191649612722
18 ms 173.245.59.78
84 2026-08-27 09:02 639234181105879568
15 ms 108.162.193.78
83 2026-08-27 09:02 639234181105879568
15 ms 172.64.33.78
82 2026-08-27 09:02 639234181105879568
15 ms 173.245.59.78
81 2026-08-27 08:44 639234170713214496
20 ms 108.162.193.78
80 2026-08-27 08:44 639234170713214496
20 ms 172.64.33.78
79 2026-08-27 08:44 639234170713214496
20 ms 173.245.59.78
78 2026-08-27 08:27 639234160341037652
3 ms 108.162.193.78
77 2026-08-27 08:27 639234160341037652
3 ms 172.64.33.78
76 2026-08-27 08:27 639234160341037652
3 ms 173.245.59.78
75 2026-08-27 08:10 639234149799404224
13 ms 108.162.193.78
74 2026-08-27 08:10 639234149799404224
13 ms 172.64.33.78
73 2026-08-27 08:10 639234149799404224
13 ms 173.245.59.78
72 2026-08-27 07:52 639234139553286469
40 ms 108.162.193.78
71 2026-08-27 07:52 639234139553286469
40 ms 172.64.33.78
70 2026-08-27 07:52 639234139553286469
40 ms 173.245.59.78
69 2026-08-27 06:59 639234107183588293
4055 ms 172.64.33.78
68 2026-08-27 06:59 639234107183588293
4055 ms 108.162.193.78
67 2026-08-27 06:59 639234107183588293
4055 ms 173.245.59.78
66 2026-08-27 06:41 639234096905435724
4 ms 108.162.193.78
65 2026-08-27 06:41 639234096905435724
4 ms 172.64.33.78
64 2026-08-27 06:41 639234096905435724
4 ms 173.245.59.78
63 2026-08-27 06:24 639234086579410775
4 ms 108.162.193.78
62 2026-08-27 06:24 639234086579410775
4 ms 172.64.33.78
61 2026-08-27 06:24 639234086579410775
4 ms 173.245.59.78
60 2026-08-27 06:07 639234076291157956
4 ms 108.162.193.78
59 2026-08-27 06:07 639234076291157956
4 ms 172.64.33.78
58 2026-08-27 06:07 639234076291157956
4 ms 173.245.59.78
57 2026-08-27 05:50 639234065981939454
4 ms 108.162.193.78
56 2026-08-27 05:50 639234065981939454
4 ms 172.64.33.78
55 2026-08-27 05:50 639234065981939454
4 ms 173.245.59.78
54 2026-08-27 05:32 639234055548642997
4 ms 108.162.193.78
53 2026-08-27 05:32 639234055548642997
4 ms 172.64.33.78
52 2026-08-27 05:32 639234055548642997
4 ms 173.245.59.78
51 2026-08-27 05:15 639234045267979603
20 ms 173.245.59.78
50 2026-08-27 05:15 639234045267979603
20 ms 108.162.193.78
49 2026-08-27 05:15 639234045267979603
20 ms 172.64.33.78
48 2026-08-27 04:58 639234034999717463
16 ms 172.64.33.78
47 2026-08-27 04:58 639234034999717463
16 ms 173.245.59.78
46 2026-08-27 04:58 639234034999717463
16 ms 108.162.193.78
45 2026-08-27 04:41 639234024739225358
49 ms 108.162.193.78
44 2026-08-27 04:41 639234024739225358
49 ms 172.64.33.78
43 2026-08-27 04:41 639234024739225358
49 ms 173.245.59.78
42 2026-08-27 04:24 639234014311170162
34 ms 108.162.193.78
41 2026-08-27 04:24 639234014311170162
34 ms 172.64.33.78
40 2026-08-27 04:24 639234014311170162
34 ms 173.245.59.78
39 2026-08-27 04:06 639234003806017640
3 ms 108.162.193.78
38 2026-08-27 04:06 639234003806017640
3 ms 172.64.33.78
37 2026-08-27 04:06 639234003806017640
3 ms 173.245.59.78
36 2026-08-27 03:49 639233993356203030
31 ms 108.162.193.78
35 2026-08-27 03:49 639233993356203030
31 ms 172.64.33.78
34 2026-08-27 03:49 639233993356203030
31 ms 173.245.59.78
33 2026-08-27 02:55 639233961301716608
3 ms 108.162.193.78
32 2026-08-27 02:55 639233961301716608
3 ms 172.64.33.78
31 2026-08-27 02:55 639233961301716608
3 ms 173.245.59.78
30 2026-08-27 02:38 639233950834200647
2035 ms 172.64.33.78
29 2026-08-27 02:38 639233950834200647
2035 ms 108.162.193.78
28 2026-08-27 02:38 639233950834200647
2035 ms 173.245.59.78
27 2026-08-27 02:21 639233940431849026
14 ms 108.162.193.78
26 2026-08-27 02:21 639233940431849026
14 ms 172.64.33.78
25 2026-08-27 02:21 639233940431849026
14 ms 173.245.59.78
24 2026-08-27 02:03 639233930110596398
7 ms 172.64.33.78
23 2026-08-27 02:03 639233930110596398
7 ms 108.162.193.78
22 2026-08-27 02:03 639233930110596398
7 ms 173.245.59.78
21 2026-08-27 01:46 639233919705434540
4 ms 108.162.193.78
20 2026-08-27 01:46 639233919705434540
4 ms 172.64.33.78
19 2026-08-27 01:46 639233919705434540
4 ms 173.245.59.78
18 2026-08-27 01:29 639233909452807845
2035 ms 108.162.193.78
17 2026-08-27 01:29 639233909452807845
2035 ms 172.64.33.78
16 2026-08-27 01:29 639233909452807845
2035 ms 173.245.59.78
15 2026-08-27 01:12 639233899096420820
8 ms 108.162.193.78
14 2026-08-27 01:12 639233899096420820
8 ms 172.64.33.78
13 2026-08-27 01:12 639233899096420820
8 ms 173.245.59.78
12 2026-08-27 00:54 639233888707824939
15 ms 172.64.33.78
11 2026-08-27 00:54 639233888707824939
15 ms 108.162.193.78
10 2026-08-27 00:54 639233888707824939
15 ms 173.245.59.78
9 2026-08-27 00:37 639233878461203802
3 ms 108.162.193.78
8 2026-08-27 00:37 639233878461203802
3 ms 172.64.33.78
7 2026-08-27 00:37 639233878461203802
3 ms 173.245.59.78
6 2026-08-27 00:20 639233868060868209
4 ms 108.162.193.78
5 2026-08-27 00:20 639233868060868209
4 ms 172.64.33.78
4 2026-08-27 00:20 639233868060868209
4 ms 173.245.59.78
3 2026-08-27 00:02 639233857450922991
9 ms 108.162.193.78
2 2026-08-27 00:02 639233857450922991
9 ms 172.64.33.78
1 2026-08-27 00:02 639233857450922991
9 ms 173.245.59.78