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 2026-08-28. For this date, NameServerHistory found 166 DNS check records, 165 successful responses, 1 failed responses, and 161 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

166

Historical checks stored for this nameserver on selected date

Average Latency

161 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-28 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

165

Checks that returned a measurable response

Failed Responses

1

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 2026-08-28 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
166 2026-08-28 23:45 639235574865467349
-
165 2026-08-28 23:28 639235564640220198
18 ms 108.162.193.78
164 2026-08-28 23:28 639235564640220198
18 ms 172.64.33.78
163 2026-08-28 23:28 639235564640220198
18 ms 173.245.59.78
162 2026-08-28 23:10 639235554328938529
4 ms 108.162.193.78
161 2026-08-28 23:10 639235554328938529
4 ms 172.64.33.78
160 2026-08-28 23:10 639235554328938529
4 ms 173.245.59.78
159 2026-08-28 22:53 639235543879452837
25 ms 108.162.193.78
158 2026-08-28 22:53 639235543879452837
25 ms 172.64.33.78
157 2026-08-28 22:53 639235543879452837
25 ms 173.245.59.78
156 2026-08-28 22:00 639235511923394567
20 ms 108.162.193.78
155 2026-08-28 22:00 639235511923394567
20 ms 172.64.33.78
154 2026-08-28 22:00 639235511923394567
20 ms 173.245.59.78
153 2026-08-28 21:42 639235501571282412
4 ms 108.162.193.78
152 2026-08-28 21:42 639235501571282412
4 ms 172.64.33.78
151 2026-08-28 21:42 639235501571282412
4 ms 173.245.59.78
150 2026-08-28 21:25 639235491147763512
2035 ms 173.245.59.78
149 2026-08-28 21:25 639235491147763512
2035 ms 172.64.33.78
148 2026-08-28 21:25 639235491147763512
2035 ms 108.162.193.78
147 2026-08-28 21:08 639235480607057252
10 ms 173.245.59.78
146 2026-08-28 21:08 639235480607057252
10 ms 172.64.33.78
145 2026-08-28 21:08 639235480607057252
10 ms 108.162.193.78
144 2026-08-28 20:14 639235448504869535
2018 ms 172.64.33.78
143 2026-08-28 20:14 639235448504869535
2018 ms 108.162.193.78
142 2026-08-28 20:14 639235448504869535
2018 ms 173.245.59.78
141 2026-08-28 19:57 639235438205961423
4 ms 108.162.193.78
140 2026-08-28 19:57 639235438205961423
4 ms 172.64.33.78
139 2026-08-28 19:57 639235438205961423
4 ms 173.245.59.78
138 2026-08-28 19:39 639235427771603643
48 ms 108.162.193.78
137 2026-08-28 19:39 639235427771603643
48 ms 172.64.33.78
136 2026-08-28 19:39 639235427771603643
48 ms 173.245.59.78
135 2026-08-28 19:22 639235417327437217
4 ms 108.162.193.78
134 2026-08-28 19:22 639235417327437217
4 ms 172.64.33.78
133 2026-08-28 19:22 639235417327437217
4 ms 173.245.59.78
132 2026-08-28 18:29 639235385468729647
5 ms 108.162.193.78
131 2026-08-28 18:29 639235385468729647
5 ms 172.64.33.78
130 2026-08-28 18:29 639235385468729647
5 ms 173.245.59.78
129 2026-08-28 18:12 639235375227508188
5 ms 108.162.193.78
128 2026-08-28 18:12 639235375227508188
5 ms 172.64.33.78
127 2026-08-28 18:12 639235375227508188
5 ms 173.245.59.78
126 2026-08-28 17:55 639235364947407812
25 ms 108.162.193.78
125 2026-08-28 17:55 639235364947407812
25 ms 172.64.33.78
124 2026-08-28 17:55 639235364947407812
25 ms 173.245.59.78
123 2026-08-28 17:37 639235354434017190
10 ms 108.162.193.78
122 2026-08-28 17:37 639235354434017190
10 ms 172.64.33.78
121 2026-08-28 17:37 639235354434017190
10 ms 173.245.59.78
120 2026-08-28 16:44 639235322621629103
29 ms 108.162.193.78
119 2026-08-28 16:44 639235322621629103
29 ms 172.64.33.78
118 2026-08-28 16:44 639235322621629103
29 ms 173.245.59.78
117 2026-08-28 16:27 639235312230592801
23 ms 173.245.59.78
116 2026-08-28 16:27 639235312230592801
23 ms 172.64.33.78
115 2026-08-28 16:27 639235312230592801
23 ms 108.162.193.78
114 2026-08-28 16:09 639235301738139314
6 ms 108.162.193.78
113 2026-08-28 16:09 639235301738139314
6 ms 172.64.33.78
112 2026-08-28 16:09 639235301738139314
6 ms 173.245.59.78
111 2026-08-28 15:52 639235291168160936
21 ms 108.162.193.78
110 2026-08-28 15:52 639235291168160936
21 ms 172.64.33.78
109 2026-08-28 15:52 639235291168160936
21 ms 173.245.59.78
108 2026-08-28 14:58 639235258803654519
23 ms 108.162.193.78
107 2026-08-28 14:58 639235258803654519
23 ms 172.64.33.78
106 2026-08-28 14:58 639235258803654519
23 ms 173.245.59.78
105 2026-08-28 14:41 639235248596087996
10 ms 172.64.33.78
104 2026-08-28 14:41 639235248596087996
10 ms 173.245.59.78
103 2026-08-28 14:41 639235248596087996
10 ms 108.162.193.78
102 2026-08-28 14:24 639235238225955920
4 ms 108.162.193.78
101 2026-08-28 14:24 639235238225955920
4 ms 172.64.33.78
100 2026-08-28 14:24 639235238225955920
4 ms 173.245.59.78
99 2026-08-28 14:06 639235227727862105
7 ms 108.162.193.78
98 2026-08-28 14:06 639235227727862105
7 ms 172.64.33.78
97 2026-08-28 14:06 639235227727862105
7 ms 173.245.59.78
96 2026-08-28 13:12 639235195230848570
47 ms 108.162.193.78
95 2026-08-28 13:12 639235195230848570
47 ms 172.64.33.78
94 2026-08-28 13:12 639235195230848570
47 ms 173.245.59.78
93 2026-08-28 12:55 639235184840503274
32 ms 108.162.193.78
92 2026-08-28 12:55 639235184840503274
32 ms 172.64.33.78
91 2026-08-28 12:55 639235184840503274
32 ms 173.245.59.78
90 2026-08-28 12:37 639235174453894956
47 ms 173.245.59.78
89 2026-08-28 12:37 639235174453894956
47 ms 108.162.193.78
88 2026-08-28 12:37 639235174453894956
47 ms 172.64.33.78
87 2026-08-28 12:20 639235163898672622
6 ms 108.162.193.78
86 2026-08-28 12:20 639235163898672622
6 ms 172.64.33.78
85 2026-08-28 12:20 639235163898672622
6 ms 173.245.59.78
84 2026-08-28 11:27 639235132147470568
7 ms 108.162.193.78
83 2026-08-28 11:27 639235132147470568
7 ms 172.64.33.78
82 2026-08-28 11:27 639235132147470568
7 ms 173.245.59.78
81 2026-08-28 11:10 639235121907744088
40 ms 173.245.59.78
80 2026-08-28 11:10 639235121907744088
40 ms 108.162.193.78
79 2026-08-28 11:10 639235121907744088
40 ms 172.64.33.78
78 2026-08-28 10:52 639235111428014262
3 ms 108.162.193.78
77 2026-08-28 10:52 639235111428014262
3 ms 172.64.33.78
76 2026-08-28 10:52 639235111428014262
3 ms 173.245.59.78
75 2026-08-28 10:35 639235100921813626
12 ms 108.162.193.78
74 2026-08-28 10:35 639235100921813626
12 ms 172.64.33.78
73 2026-08-28 10:35 639235100921813626
12 ms 173.245.59.78
72 2026-08-28 09:41 639235068670703481
3 ms 108.162.193.78
71 2026-08-28 09:41 639235068670703481
3 ms 172.64.33.78
70 2026-08-28 09:41 639235068670703481
3 ms 173.245.59.78
69 2026-08-28 09:24 639235058337459445
44 ms 108.162.193.78
68 2026-08-28 09:24 639235058337459445
44 ms 172.64.33.78
67 2026-08-28 09:24 639235058337459445
44 ms 173.245.59.78
66 2026-08-28 09:06 639235047825109146
27 ms 173.245.59.78
65 2026-08-28 09:06 639235047825109146
27 ms 108.162.193.78
64 2026-08-28 09:06 639235047825109146
27 ms 172.64.33.78
63 2026-08-28 08:49 639235037383229033
2 ms 108.162.193.78
62 2026-08-28 08:49 639235037383229033
2 ms 172.64.33.78
61 2026-08-28 08:49 639235037383229033
2 ms 173.245.59.78
60 2026-08-28 07:56 639235005619242711
9 ms 108.162.193.78
59 2026-08-28 07:56 639235005619242711
9 ms 173.245.59.78
58 2026-08-28 07:56 639235005619242711
9 ms 172.64.33.78
57 2026-08-28 07:39 639234995310346584
4 ms 108.162.193.78
56 2026-08-28 07:39 639234995310346584
4 ms 172.64.33.78
55 2026-08-28 07:39 639234995310346584
4 ms 173.245.59.78
54 2026-08-28 07:21 639234984946548933
40 ms 173.245.59.78
53 2026-08-28 07:21 639234984946548933
40 ms 172.64.33.78
52 2026-08-28 07:21 639234984946548933
40 ms 108.162.193.78
51 2026-08-28 07:04 639234974608077290
4 ms 108.162.193.78
50 2026-08-28 07:04 639234974608077290
4 ms 172.64.33.78
49 2026-08-28 07:04 639234974608077290
4 ms 173.245.59.78
48 2026-08-28 06:11 639234942529845595
13 ms 108.162.193.78
47 2026-08-28 06:11 639234942529845595
13 ms 172.64.33.78
46 2026-08-28 06:11 639234942529845595
13 ms 173.245.59.78
45 2026-08-28 05:54 639234932259126627
3 ms 108.162.193.78
44 2026-08-28 05:54 639234932259126627
3 ms 172.64.33.78
43 2026-08-28 05:54 639234932259126627
3 ms 173.245.59.78
42 2026-08-28 05:36 639234921916735988
3 ms 108.162.193.78
41 2026-08-28 05:36 639234921916735988
3 ms 172.64.33.78
40 2026-08-28 05:36 639234921916735988
3 ms 173.245.59.78
39 2026-08-28 05:19 639234911470038027
8 ms 172.64.33.78
38 2026-08-28 05:19 639234911470038027
8 ms 173.245.59.78
37 2026-08-28 05:19 639234911470038027
8 ms 108.162.193.78
36 2026-08-28 04:26 639234879588411654
2020 ms 108.162.193.78
35 2026-08-28 04:26 639234879588411654
2020 ms 173.245.59.78
34 2026-08-28 04:26 639234879588411654
2020 ms 172.64.33.78
33 2026-08-28 04:09 639234869341589104
3 ms 108.162.193.78
32 2026-08-28 04:09 639234869341589104
3 ms 172.64.33.78
31 2026-08-28 04:09 639234869341589104
3 ms 173.245.59.78
30 2026-08-28 03:52 639234859012216675
3 ms 108.162.193.78
29 2026-08-28 03:52 639234859012216675
3 ms 172.64.33.78
28 2026-08-28 03:52 639234859012216675
3 ms 173.245.59.78
27 2026-08-28 03:34 639234848695364934
3 ms 108.162.193.78
26 2026-08-28 03:34 639234848695364934
3 ms 172.64.33.78
25 2026-08-28 03:34 639234848695364934
3 ms 173.245.59.78
24 2026-08-28 02:41 639234816952458162
2011 ms 108.162.193.78
23 2026-08-28 02:41 639234816952458162
2011 ms 172.64.33.78
22 2026-08-28 02:41 639234816952458162
2011 ms 173.245.59.78
21 2026-08-28 02:24 639234806773081598
6 ms 108.162.193.78
20 2026-08-28 02:24 639234806773081598
6 ms 172.64.33.78
19 2026-08-28 02:24 639234806773081598
6 ms 173.245.59.78
18 2026-08-28 02:07 639234796382955255
4 ms 108.162.193.78
17 2026-08-28 02:07 639234796382955255
4 ms 172.64.33.78
16 2026-08-28 02:07 639234796382955255
4 ms 173.245.59.78
15 2026-08-28 01:50 639234786015782563
22 ms 108.162.193.78
14 2026-08-28 01:50 639234786015782563
22 ms 172.64.33.78
13 2026-08-28 01:50 639234786015782563
22 ms 173.245.59.78
12 2026-08-28 00:56 639234753811917646
4 ms 108.162.193.78
11 2026-08-28 00:56 639234753811917646
4 ms 172.64.33.78
10 2026-08-28 00:56 639234753811917646
4 ms 173.245.59.78
9 2026-08-28 00:39 639234743739767811
8 ms 108.162.193.78
8 2026-08-28 00:39 639234743739767811
8 ms 172.64.33.78
7 2026-08-28 00:39 639234743739767811
8 ms 173.245.59.78
6 2026-08-28 00:22 639234733372362811
10 ms 173.245.59.78
5 2026-08-28 00:22 639234733372362811
10 ms 172.64.33.78
4 2026-08-28 00:22 639234733372362811
10 ms 108.162.193.78
3 2026-08-28 00:05 639234723048550337
59 ms 172.64.33.78
2 2026-08-28 00:05 639234723048550337
59 ms 173.245.59.78
1 2026-08-28 00:05 639234723048550337
59 ms 108.162.193.78