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 100 DNS check records, 99 successful responses, 1 failed responses, and 195 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

100

Historical checks stored for this nameserver on selected date

Average Latency

195 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 11:53

All timestamps shown in UTC

Latest Resolved IP on Selected Date

172.64.33.78

Most recently resolved hosting IP on selected date

Successful Responses

99

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 2026-08-25 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
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