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 2026-08-25. For this date, NameServerHistory found 205 DNS check records, 204 successful responses, 1 failed responses, and 163 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

205

Historical checks stored for this nameserver on selected date

Average Latency

163 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 23:49

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

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 2026-08-25 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
205 2026-08-25 23:49 639232985300872416
19 ms 108.162.193.78
204 2026-08-25 23:49 639232985300872416
19 ms 173.245.59.78
203 2026-08-25 23:49 639232985300872416
19 ms 172.64.33.78
202 2026-08-25 23:31 639232974980190573
26 ms 108.162.193.78
201 2026-08-25 23:31 639232974980190573
26 ms 172.64.33.78
200 2026-08-25 23:31 639232974980190573
26 ms 173.245.59.78
199 2026-08-25 23:14 639232964577050707
34 ms 108.162.193.78
198 2026-08-25 23:14 639232964577050707
34 ms 172.64.33.78
197 2026-08-25 23:14 639232964577050707
34 ms 173.245.59.78
196 2026-08-25 22:20 639232932163142799
13 ms 108.162.193.78
195 2026-08-25 22:20 639232932163142799
13 ms 172.64.33.78
194 2026-08-25 22:20 639232932163142799
13 ms 173.245.59.78
193 2026-08-25 22:03 639232921673215474
19 ms 108.162.193.78
192 2026-08-25 22:03 639232921673215474
19 ms 172.64.33.78
191 2026-08-25 22:03 639232921673215474
19 ms 173.245.59.78
190 2026-08-25 21:45 639232911234504639
21 ms 173.245.59.78
189 2026-08-25 21:45 639232911234504639
21 ms 172.64.33.78
188 2026-08-25 21:45 639232911234504639
21 ms 108.162.193.78
187 2026-08-25 21:28 639232900747078453
6 ms 108.162.193.78
186 2026-08-25 21:28 639232900747078453
6 ms 172.64.33.78
185 2026-08-25 21:28 639232900747078453
6 ms 173.245.59.78
184 2026-08-25 21:11 639232890389222534
12 ms 172.64.33.78
183 2026-08-25 21:11 639232890389222534
12 ms 108.162.193.78
182 2026-08-25 21:11 639232890389222534
12 ms 173.245.59.78
181 2026-08-25 20:53 639232880143390843
10 ms 108.162.193.78
180 2026-08-25 20:53 639232880143390843
10 ms 172.64.33.78
179 2026-08-25 20:53 639232880143390843
10 ms 173.245.59.78
178 2026-08-25 20:36 639232869755024069
4 ms 108.162.193.78
177 2026-08-25 20:36 639232869755024069
4 ms 172.64.33.78
176 2026-08-25 20:36 639232869755024069
4 ms 173.245.59.78
175 2026-08-25 20:19 639232859355940346
35 ms 173.245.59.78
174 2026-08-25 20:19 639232859355940346
35 ms 108.162.193.78
173 2026-08-25 20:19 639232859355940346
35 ms 172.64.33.78
172 2026-08-25 20:02 639232848992244953
5 ms 108.162.193.78
171 2026-08-25 20:02 639232848992244953
5 ms 172.64.33.78
170 2026-08-25 20:02 639232848992244953
5 ms 173.245.59.78
169 2026-08-25 19:44 639232838596478500
12 ms 173.245.59.78
168 2026-08-25 19:44 639232838596478500
12 ms 172.64.33.78
167 2026-08-25 19:44 639232838596478500
12 ms 108.162.193.78
166 2026-08-25 19:27 639232828175327683
10 ms 108.162.193.78
165 2026-08-25 19:27 639232828175327683
10 ms 172.64.33.78
164 2026-08-25 19:27 639232828175327683
10 ms 173.245.59.78
163 2026-08-25 19:10 639232817798330473
7 ms 108.162.193.78
162 2026-08-25 19:10 639232817798330473
7 ms 172.64.33.78
161 2026-08-25 19:10 639232817798330473
7 ms 173.245.59.78
160 2026-08-25 18:16 639232785462407552
5 ms 108.162.193.78
159 2026-08-25 18:16 639232785462407552
5 ms 172.64.33.78
158 2026-08-25 18:16 639232785462407552
5 ms 173.245.59.78
157 2026-08-25 17:59 639232775177487032
46 ms 108.162.193.78
156 2026-08-25 17:59 639232775177487032
46 ms 173.245.59.78
155 2026-08-25 17:59 639232775177487032
46 ms 172.64.33.78
154 2026-08-25 17:41 639232764991087115
32 ms 108.162.193.78
153 2026-08-25 17:41 639232764991087115
32 ms 172.64.33.78
152 2026-08-25 17:41 639232764991087115
32 ms 173.245.59.78
151 2026-08-25 17:25 639232754842971478
31 ms 108.162.193.78
150 2026-08-25 17:25 639232754842971478
31 ms 172.64.33.78
149 2026-08-25 17:25 639232754842971478
31 ms 173.245.59.78
148 2026-08-25 17:07 639232744455159107
48 ms 108.162.193.78
147 2026-08-25 17:07 639232744455159107
48 ms 172.64.33.78
146 2026-08-25 17:07 639232744455159107
48 ms 173.245.59.78
145 2026-08-25 16:50 639232734145178231
2015 ms 172.64.33.78
144 2026-08-25 16:50 639232734145178231
2015 ms 108.162.193.78
143 2026-08-25 16:50 639232734145178231
2015 ms 173.245.59.78
142 2026-08-25 16:33 639232723827874402
2010 ms 108.162.193.78
141 2026-08-25 16:33 639232723827874402
2010 ms 172.64.33.78
140 2026-08-25 16:33 639232723827874402
2010 ms 173.245.59.78
139 2026-08-25 16:16 639232713533011892
40 ms 172.64.33.78
138 2026-08-25 16:16 639232713533011892
40 ms 108.162.193.78
137 2026-08-25 16:16 639232713533011892
40 ms 173.245.59.78
136 2026-08-25 15:58 639232703065318207
11 ms 108.162.193.78
135 2026-08-25 15:58 639232703065318207
11 ms 172.64.33.78
134 2026-08-25 15:58 639232703065318207
11 ms 173.245.59.78
133 2026-08-25 15:41 639232692629559470
26 ms 108.162.193.78
132 2026-08-25 15:41 639232692629559470
26 ms 172.64.33.78
131 2026-08-25 15:41 639232692629559470
26 ms 173.245.59.78
130 2026-08-25 15:24 639232682238836475
33 ms 108.162.193.78
129 2026-08-25 15:24 639232682238836475
33 ms 172.64.33.78
128 2026-08-25 15:24 639232682238836475
33 ms 173.245.59.78
127 2026-08-25 15:06 639232671787004306
23 ms 108.162.193.78
126 2026-08-25 15:06 639232671787004306
23 ms 172.64.33.78
125 2026-08-25 15:06 639232671787004306
23 ms 173.245.59.78
124 2026-08-25 14:12 639232638994329666
9 ms 108.162.193.78
123 2026-08-25 14:12 639232638994329666
9 ms 172.64.33.78
122 2026-08-25 14:12 639232638994329666
9 ms 173.245.59.78
121 2026-08-25 13:54 639232628614783237
4 ms 108.162.193.78
120 2026-08-25 13:54 639232628614783237
4 ms 172.64.33.78
119 2026-08-25 13:54 639232628614783237
4 ms 173.245.59.78
118 2026-08-25 13:37 639232618360728578
8 ms 108.162.193.78
117 2026-08-25 13:37 639232618360728578
8 ms 172.64.33.78
116 2026-08-25 13:37 639232618360728578
8 ms 173.245.59.78
115 2026-08-25 13:20 639232608016476376
6 ms 108.162.193.78
114 2026-08-25 13:20 639232608016476376
6 ms 172.64.33.78
113 2026-08-25 13:20 639232608016476376
6 ms 173.245.59.78
112 2026-08-25 13:03 639232597643611557
5 ms 108.162.193.78
111 2026-08-25 13:03 639232597643611557
5 ms 172.64.33.78
110 2026-08-25 13:03 639232597643611557
5 ms 173.245.59.78
109 2026-08-25 12:45 639232587225721862
8 ms 108.162.193.78
108 2026-08-25 12:45 639232587225721862
8 ms 172.64.33.78
107 2026-08-25 12:45 639232587225721862
8 ms 173.245.59.78
106 2026-08-25 12:28 639232576780683689
16 ms 108.162.193.78
105 2026-08-25 12:28 639232576780683689
16 ms 172.64.33.78
104 2026-08-25 12:28 639232576780683689
16 ms 173.245.59.78
103 2026-08-25 12:10 639232566381512620
5 ms 108.162.193.78
102 2026-08-25 12:10 639232566381512620
5 ms 172.64.33.78
101 2026-08-25 12:10 639232566381512620
5 ms 173.245.59.78
100 2026-08-25 11:53 639232556111768563
2018 ms 172.64.33.78
99 2026-08-25 11:53 639232556111768563
2018 ms 108.162.193.78
98 2026-08-25 11:53 639232556111768563
2018 ms 173.245.59.78
97 2026-08-25 11:36 639232545839529039
41 ms 108.162.193.78
96 2026-08-25 11:36 639232545839529039
41 ms 172.64.33.78
95 2026-08-25 11:36 639232545839529039
41 ms 173.245.59.78
94 2026-08-25 11:19 639232535349285207
5 ms 108.162.193.78
93 2026-08-25 11:19 639232535349285207
5 ms 172.64.33.78
92 2026-08-25 11:19 639232535349285207
5 ms 173.245.59.78
91 2026-08-25 11:01 639232524938080723
27 ms 173.245.59.78
90 2026-08-25 11:01 639232524938080723
27 ms 172.64.33.78
89 2026-08-25 11:01 639232524938080723
27 ms 108.162.193.78
88 2026-08-25 10:08 639232492740373468
5 ms 108.162.193.78
87 2026-08-25 10:08 639232492740373468
5 ms 172.64.33.78
86 2026-08-25 10:08 639232492740373468
5 ms 173.245.59.78
85 2026-08-25 09:50 639232482235303141
6 ms 108.162.193.78
84 2026-08-25 09:50 639232482235303141
6 ms 172.64.33.78
83 2026-08-25 09:50 639232482235303141
6 ms 173.245.59.78
82 2026-08-25 09:33 639232471861770303
-
81 2026-08-25 09:16 639232461630217327
28 ms 108.162.193.78
80 2026-08-25 09:16 639232461630217327
28 ms 172.64.33.78
79 2026-08-25 09:16 639232461630217327
28 ms 173.245.59.78
78 2026-08-25 08:59 639232451282965990
2010 ms 172.64.33.78
77 2026-08-25 08:59 639232451282965990
2010 ms 108.162.193.78
76 2026-08-25 08:59 639232451282965990
2010 ms 173.245.59.78
75 2026-08-25 08:41 639232440814614938
31 ms 108.162.193.78
74 2026-08-25 08:41 639232440814614938
31 ms 172.64.33.78
73 2026-08-25 08:41 639232440814614938
31 ms 173.245.59.78
72 2026-08-25 08:24 639232430410720425
3 ms 108.162.193.78
71 2026-08-25 08:24 639232430410720425
3 ms 172.64.33.78
70 2026-08-25 08:24 639232430410720425
3 ms 173.245.59.78
69 2026-08-25 08:07 639232420003096185
8 ms 108.162.193.78
68 2026-08-25 08:07 639232420003096185
8 ms 172.64.33.78
67 2026-08-25 08:07 639232420003096185
8 ms 173.245.59.78
66 2026-08-25 07:49 639232409467287444
4 ms 108.162.193.78
65 2026-08-25 07:49 639232409467287444
4 ms 172.64.33.78
64 2026-08-25 07:49 639232409467287444
4 ms 173.245.59.78
63 2026-08-25 07:32 639232399077195997
44 ms 173.245.59.78
62 2026-08-25 07:32 639232399077195997
44 ms 108.162.193.78
61 2026-08-25 07:32 639232399077195997
44 ms 172.64.33.78
60 2026-08-25 07:14 639232388731528337
7 ms 108.162.193.78
59 2026-08-25 07:14 639232388731528337
7 ms 172.64.33.78
58 2026-08-25 07:14 639232388731528337
7 ms 173.245.59.78
57 2026-08-25 06:57 639232378288598612
2013 ms 108.162.193.78
56 2026-08-25 06:57 639232378288598612
2013 ms 172.64.33.78
55 2026-08-25 06:57 639232378288598612
2013 ms 173.245.59.78
54 2026-08-25 06:04 639232346196373643
19 ms 172.64.33.78
53 2026-08-25 06:04 639232346196373643
19 ms 173.245.59.78
52 2026-08-25 06:04 639232346196373643
19 ms 108.162.193.78
51 2026-08-25 05:47 639232336112370741
9 ms 172.64.33.78
50 2026-08-25 05:47 639232336112370741
9 ms 173.245.59.78
49 2026-08-25 05:47 639232336112370741
9 ms 108.162.193.78
48 2026-08-25 05:30 639232326146508970
28 ms 173.245.59.78
47 2026-08-25 05:30 639232326146508970
28 ms 108.162.193.78
46 2026-08-25 05:30 639232326146508970
28 ms 172.64.33.78
45 2026-08-25 05:14 639232316189381720
4 ms 108.162.193.78
44 2026-08-25 05:14 639232316189381720
4 ms 172.64.33.78
43 2026-08-25 05:14 639232316189381720
4 ms 173.245.59.78
42 2026-08-25 04:57 639232306217998913
3 ms 108.162.193.78
41 2026-08-25 04:57 639232306217998913
3 ms 172.64.33.78
40 2026-08-25 04:57 639232306217998913
3 ms 173.245.59.78
39 2026-08-25 04:40 639232296255744174
16 ms 108.162.193.78
38 2026-08-25 04:40 639232296255744174
16 ms 172.64.33.78
37 2026-08-25 04:40 639232296255744174
16 ms 173.245.59.78
36 2026-08-25 04:23 639232286095760789
9 ms 173.245.59.78
35 2026-08-25 04:23 639232286095760789
9 ms 108.162.193.78
34 2026-08-25 04:23 639232286095760789
9 ms 172.64.33.78
33 2026-08-25 04:07 639232276086186273
5 ms 108.162.193.78
32 2026-08-25 04:07 639232276086186273
5 ms 172.64.33.78
31 2026-08-25 04:07 639232276086186273
5 ms 173.245.59.78
30 2026-08-25 03:50 639232265900986425
3 ms 108.162.193.78
29 2026-08-25 03:50 639232265900986425
3 ms 172.64.33.78
28 2026-08-25 03:50 639232265900986425
3 ms 173.245.59.78
27 2026-08-25 03:33 639232255723518075
17 ms 108.162.193.78
26 2026-08-25 03:33 639232255723518075
17 ms 172.64.33.78
25 2026-08-25 03:33 639232255723518075
17 ms 173.245.59.78
24 2026-08-25 03:16 639232245484452890
16 ms 173.245.59.78
23 2026-08-25 03:16 639232245484452890
16 ms 108.162.193.78
22 2026-08-25 03:16 639232245484452890
16 ms 172.64.33.78
21 2026-08-25 02:58 639232235157175331
14 ms 108.162.193.78
20 2026-08-25 02:58 639232235157175331
14 ms 172.64.33.78
19 2026-08-25 02:58 639232235157175331
14 ms 173.245.59.78
18 2026-08-25 02:05 639232203197189095
8 ms 108.162.193.78
17 2026-08-25 02:05 639232203197189095
8 ms 172.64.33.78
16 2026-08-25 02:05 639232203197189095
8 ms 173.245.59.78
15 2026-08-25 01:48 639232192844564298
24 ms 172.64.33.78
14 2026-08-25 01:48 639232192844564298
24 ms 108.162.193.78
13 2026-08-25 01:48 639232192844564298
24 ms 173.245.59.78
12 2026-08-25 01:31 639232182496008942
4 ms 108.162.193.78
11 2026-08-25 01:31 639232182496008942
4 ms 172.64.33.78
10 2026-08-25 01:31 639232182496008942
4 ms 173.245.59.78
9 2026-08-25 01:14 639232172197053132
5 ms 108.162.193.78
8 2026-08-25 01:14 639232172197053132
5 ms 172.64.33.78
7 2026-08-25 01:14 639232172197053132
5 ms 173.245.59.78
6 2026-08-25 00:20 639232140250307418
4 ms 108.162.193.78
5 2026-08-25 00:20 639232140250307418
4 ms 172.64.33.78
4 2026-08-25 00:20 639232140250307418
4 ms 173.245.59.78
3 2026-08-25 00:03 639232129927860324
5 ms 108.162.193.78
2 2026-08-25 00:03 639232129927860324
5 ms 172.64.33.78
1 2026-08-25 00:03 639232129927860324
5 ms 173.245.59.78