DNS response history for cass.ns.cloudflare.com

cass.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 203 DNS check records, 201 successful responses, 2 failed responses, and 46 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 cass.ns.cloudflare.com.
Records on Selected Date

203

Historical checks stored for this nameserver on selected date

Average Latency

46 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

108.162.192.81

Most recently resolved hosting IP on selected date

Successful Responses

201

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 cass.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
203 2026-08-25 23:49 639232985300872416
24 ms 108.162.192.81
202 2026-08-25 23:49 639232985300872416
24 ms 172.64.32.81
201 2026-08-25 23:49 639232985300872416
24 ms 173.245.58.81
200 2026-08-25 23:31 639232974980190573
7 ms 108.162.192.81
199 2026-08-25 23:31 639232974980190573
7 ms 173.245.58.81
198 2026-08-25 23:31 639232974980190573
7 ms 172.64.32.81
197 2026-08-25 23:14 639232964577050707
4 ms 108.162.192.81
196 2026-08-25 23:14 639232964577050707
4 ms 172.64.32.81
195 2026-08-25 23:14 639232964577050707
4 ms 173.245.58.81
194 2026-08-25 22:20 639232932163142799
-
193 2026-08-25 22:03 639232921673215474
5 ms 108.162.192.81
192 2026-08-25 22:03 639232921673215474
5 ms 172.64.32.81
191 2026-08-25 22:03 639232921673215474
5 ms 173.245.58.81
190 2026-08-25 21:45 639232911234504639
18 ms 108.162.192.81
189 2026-08-25 21:45 639232911234504639
18 ms 172.64.32.81
188 2026-08-25 21:45 639232911234504639
18 ms 173.245.58.81
187 2026-08-25 21:28 639232900747078453
5 ms 108.162.192.81
186 2026-08-25 21:28 639232900747078453
5 ms 172.64.32.81
185 2026-08-25 21:28 639232900747078453
5 ms 173.245.58.81
184 2026-08-25 21:10 639232890389222534
11 ms 108.162.192.81
183 2026-08-25 21:10 639232890389222534
11 ms 172.64.32.81
182 2026-08-25 21:10 639232890389222534
11 ms 173.245.58.81
181 2026-08-25 20:53 639232880143390843
4 ms 108.162.192.81
180 2026-08-25 20:53 639232880143390843
4 ms 172.64.32.81
179 2026-08-25 20:53 639232880143390843
4 ms 173.245.58.81
178 2026-08-25 20:36 639232869755024069
33 ms 108.162.192.81
177 2026-08-25 20:36 639232869755024069
33 ms 173.245.58.81
176 2026-08-25 20:36 639232869755024069
33 ms 172.64.32.81
175 2026-08-25 20:19 639232859355940346
5 ms 108.162.192.81
174 2026-08-25 20:19 639232859355940346
5 ms 172.64.32.81
173 2026-08-25 20:19 639232859355940346
5 ms 173.245.58.81
172 2026-08-25 20:01 639232848992244953
4 ms 108.162.192.81
171 2026-08-25 20:01 639232848992244953
4 ms 172.64.32.81
170 2026-08-25 20:01 639232848992244953
4 ms 173.245.58.81
169 2026-08-25 19:44 639232838596478500
11 ms 108.162.192.81
168 2026-08-25 19:44 639232838596478500
11 ms 173.245.58.81
167 2026-08-25 19:44 639232838596478500
11 ms 172.64.32.81
166 2026-08-25 19:27 639232828175327683
4 ms 108.162.192.81
165 2026-08-25 19:27 639232828175327683
4 ms 172.64.32.81
164 2026-08-25 19:27 639232828175327683
4 ms 173.245.58.81
163 2026-08-25 19:09 639232817798330473
114 ms 108.162.192.81
162 2026-08-25 19:09 639232817798330473
114 ms 172.64.32.81
161 2026-08-25 19:09 639232817798330473
114 ms 173.245.58.81
160 2026-08-25 18:15 639232785462407552
10 ms 108.162.192.81
159 2026-08-25 18:15 639232785462407552
10 ms 172.64.32.81
158 2026-08-25 18:15 639232785462407552
10 ms 173.245.58.81
157 2026-08-25 17:58 639232775177487032
5 ms 108.162.192.81
156 2026-08-25 17:58 639232775177487032
5 ms 172.64.32.81
155 2026-08-25 17:58 639232775177487032
5 ms 173.245.58.81
154 2026-08-25 17:41 639232764991087115
8 ms 108.162.192.81
153 2026-08-25 17:41 639232764991087115
8 ms 172.64.32.81
152 2026-08-25 17:41 639232764991087115
8 ms 173.245.58.81
151 2026-08-25 17:24 639232754842971478
54 ms 108.162.192.81
150 2026-08-25 17:24 639232754842971478
54 ms 172.64.32.81
149 2026-08-25 17:24 639232754842971478
54 ms 173.245.58.81
148 2026-08-25 17:07 639232744455159107
10 ms 173.245.58.81
147 2026-08-25 17:07 639232744455159107
10 ms 172.64.32.81
146 2026-08-25 17:07 639232744455159107
10 ms 108.162.192.81
145 2026-08-25 16:50 639232734145178231
25 ms 108.162.192.81
144 2026-08-25 16:50 639232734145178231
25 ms 172.64.32.81
143 2026-08-25 16:50 639232734145178231
25 ms 173.245.58.81
142 2026-08-25 16:33 639232723827874402
8 ms 108.162.192.81
141 2026-08-25 16:33 639232723827874402
8 ms 172.64.32.81
140 2026-08-25 16:33 639232723827874402
8 ms 173.245.58.81
139 2026-08-25 16:16 639232713533011892
2 ms 108.162.192.81
138 2026-08-25 16:16 639232713533011892
2 ms 172.64.32.81
137 2026-08-25 16:16 639232713533011892
2 ms 173.245.58.81
136 2026-08-25 15:58 639232703065318207
29 ms 108.162.192.81
135 2026-08-25 15:58 639232703065318207
29 ms 172.64.32.81
134 2026-08-25 15:58 639232703065318207
29 ms 173.245.58.81
133 2026-08-25 15:41 639232692629559470
7 ms 108.162.192.81
132 2026-08-25 15:41 639232692629559470
7 ms 172.64.32.81
131 2026-08-25 15:41 639232692629559470
7 ms 173.245.58.81
130 2026-08-25 15:23 639232682238836475
8 ms 108.162.192.81
129 2026-08-25 15:23 639232682238836475
8 ms 172.64.32.81
128 2026-08-25 15:23 639232682238836475
8 ms 173.245.58.81
127 2026-08-25 15:06 639232671787004306
33 ms 172.64.32.81
126 2026-08-25 15:06 639232671787004306
33 ms 108.162.192.81
125 2026-08-25 15:06 639232671787004306
33 ms 173.245.58.81
124 2026-08-25 14:11 639232638994329666
5 ms 108.162.192.81
123 2026-08-25 14:11 639232638994329666
5 ms 172.64.32.81
122 2026-08-25 14:11 639232638994329666
5 ms 173.245.58.81
121 2026-08-25 13:54 639232628614783237
39 ms 108.162.192.81
120 2026-08-25 13:54 639232628614783237
39 ms 173.245.58.81
119 2026-08-25 13:54 639232628614783237
39 ms 172.64.32.81
118 2026-08-25 13:37 639232618360728578
6 ms 108.162.192.81
117 2026-08-25 13:37 639232618360728578
6 ms 172.64.32.81
116 2026-08-25 13:37 639232618360728578
6 ms 173.245.58.81
115 2026-08-25 13:20 639232608016476376
19 ms 108.162.192.81
114 2026-08-25 13:20 639232608016476376
19 ms 172.64.32.81
113 2026-08-25 13:20 639232608016476376
19 ms 173.245.58.81
112 2026-08-25 13:02 639232597643611557
7 ms 108.162.192.81
111 2026-08-25 13:02 639232597643611557
7 ms 172.64.32.81
110 2026-08-25 13:02 639232597643611557
7 ms 173.245.58.81
109 2026-08-25 12:45 639232587225721862
9 ms 108.162.192.81
108 2026-08-25 12:45 639232587225721862
9 ms 172.64.32.81
107 2026-08-25 12:45 639232587225721862
9 ms 173.245.58.81
106 2026-08-25 12:28 639232576780683689
5 ms 108.162.192.81
105 2026-08-25 12:28 639232576780683689
5 ms 172.64.32.81
104 2026-08-25 12:28 639232576780683689
5 ms 173.245.58.81
103 2026-08-25 12:10 639232566381512620
6 ms 108.162.192.81
102 2026-08-25 12:10 639232566381512620
6 ms 172.64.32.81
101 2026-08-25 12:10 639232566381512620
6 ms 173.245.58.81
100 2026-08-25 11:53 639232556111768563
4 ms 108.162.192.81
99 2026-08-25 11:53 639232556111768563
4 ms 172.64.32.81
98 2026-08-25 11:53 639232556111768563
4 ms 173.245.58.81
97 2026-08-25 11:36 639232545839529039
19 ms 108.162.192.81
96 2026-08-25 11:36 639232545839529039
19 ms 172.64.32.81
95 2026-08-25 11:36 639232545839529039
19 ms 173.245.58.81
94 2026-08-25 11:19 639232535349285207
8 ms 108.162.192.81
93 2026-08-25 11:19 639232535349285207
8 ms 173.245.58.81
92 2026-08-25 11:19 639232535349285207
8 ms 172.64.32.81
91 2026-08-25 11:01 639232524938080723
4 ms 108.162.192.81
90 2026-08-25 11:01 639232524938080723
4 ms 172.64.32.81
89 2026-08-25 11:01 639232524938080723
4 ms 173.245.58.81
88 2026-08-25 10:08 639232492740373468
67 ms 173.245.58.81
87 2026-08-25 10:08 639232492740373468
67 ms 172.64.32.81
86 2026-08-25 10:08 639232492740373468
67 ms 108.162.192.81
85 2026-08-25 09:50 639232482235303141
26 ms 108.162.192.81
84 2026-08-25 09:50 639232482235303141
26 ms 172.64.32.81
83 2026-08-25 09:50 639232482235303141
26 ms 173.245.58.81
82 2026-08-25 09:33 639232471861770303
5 ms 108.162.192.81
81 2026-08-25 09:33 639232471861770303
5 ms 172.64.32.81
80 2026-08-25 09:33 639232471861770303
5 ms 173.245.58.81
79 2026-08-25 09:16 639232461630217327
5 ms 108.162.192.81
78 2026-08-25 09:16 639232461630217327
5 ms 172.64.32.81
77 2026-08-25 09:16 639232461630217327
5 ms 173.245.58.81
76 2026-08-25 08:59 639232451282965990
24 ms 173.245.58.81
75 2026-08-25 08:59 639232451282965990
24 ms 172.64.32.81
74 2026-08-25 08:59 639232451282965990
24 ms 108.162.192.81
73 2026-08-25 08:41 639232440814614938
7 ms 173.245.58.81
72 2026-08-25 08:41 639232440814614938
7 ms 172.64.32.81
71 2026-08-25 08:41 639232440814614938
7 ms 108.162.192.81
70 2026-08-25 08:24 639232430410720425
7 ms 108.162.192.81
69 2026-08-25 08:24 639232430410720425
7 ms 172.64.32.81
68 2026-08-25 08:24 639232430410720425
7 ms 173.245.58.81
67 2026-08-25 08:06 639232420003096185
6 ms 108.162.192.81
66 2026-08-25 08:06 639232420003096185
6 ms 172.64.32.81
65 2026-08-25 08:06 639232420003096185
6 ms 173.245.58.81
64 2026-08-25 07:49 639232409467287444
4 ms 108.162.192.81
63 2026-08-25 07:49 639232409467287444
4 ms 172.64.32.81
62 2026-08-25 07:49 639232409467287444
4 ms 173.245.58.81
61 2026-08-25 07:32 639232399077195997
5 ms 108.162.192.81
60 2026-08-25 07:32 639232399077195997
5 ms 172.64.32.81
59 2026-08-25 07:32 639232399077195997
5 ms 173.245.58.81
58 2026-08-25 07:14 639232388731528337
9 ms 108.162.192.81
57 2026-08-25 07:14 639232388731528337
9 ms 172.64.32.81
56 2026-08-25 07:14 639232388731528337
9 ms 173.245.58.81
55 2026-08-25 06:57 639232378288598612
13 ms 108.162.192.81
54 2026-08-25 06:57 639232378288598612
13 ms 172.64.32.81
53 2026-08-25 06:57 639232378288598612
13 ms 173.245.58.81
52 2026-08-25 06:03 639232346196373643
12 ms 108.162.192.81
51 2026-08-25 06:03 639232346196373643
12 ms 172.64.32.81
50 2026-08-25 06:03 639232346196373643
12 ms 173.245.58.81
49 2026-08-25 05:47 639232336112370741
4 ms 108.162.192.81
48 2026-08-25 05:47 639232336112370741
4 ms 172.64.32.81
47 2026-08-25 05:47 639232336112370741
4 ms 173.245.58.81
46 2026-08-25 05:30 639232326146508970
38 ms 108.162.192.81
45 2026-08-25 05:30 639232326146508970
38 ms 173.245.58.81
44 2026-08-25 05:30 639232326146508970
38 ms 172.64.32.81
43 2026-08-25 05:13 639232316189381720
3 ms 108.162.192.81
42 2026-08-25 05:13 639232316189381720
3 ms 172.64.32.81
41 2026-08-25 05:13 639232316189381720
3 ms 173.245.58.81
40 2026-08-25 04:57 639232306217998913
2016 ms 172.64.32.81
39 2026-08-25 04:57 639232306217998913
2016 ms 108.162.192.81
38 2026-08-25 04:57 639232306217998913
2016 ms 173.245.58.81
37 2026-08-25 04:40 639232296255744174
11 ms 108.162.192.81
36 2026-08-25 04:40 639232296255744174
11 ms 172.64.32.81
35 2026-08-25 04:40 639232296255744174
11 ms 173.245.58.81
34 2026-08-25 04:23 639232286095760789
4 ms 108.162.192.81
33 2026-08-25 04:23 639232286095760789
4 ms 172.64.32.81
32 2026-08-25 04:23 639232286095760789
4 ms 173.245.58.81
31 2026-08-25 04:07 639232276086186273
39 ms 172.64.32.81
30 2026-08-25 04:07 639232276086186273
39 ms 173.245.58.81
29 2026-08-25 04:07 639232276086186273
39 ms 108.162.192.81
28 2026-08-25 03:50 639232265900986425
11 ms 108.162.192.81
27 2026-08-25 03:50 639232265900986425
11 ms 173.245.58.81
26 2026-08-25 03:50 639232265900986425
11 ms 172.64.32.81
25 2026-08-25 03:33 639232255723518075
33 ms 172.64.32.81
24 2026-08-25 03:33 639232255723518075
33 ms 173.245.58.81
23 2026-08-25 03:33 639232255723518075
33 ms 108.162.192.81
22 2026-08-25 03:16 639232245484452890
9 ms 173.245.58.81
21 2026-08-25 03:16 639232245484452890
9 ms 172.64.32.81
20 2026-08-25 03:16 639232245484452890
9 ms 108.162.192.81
19 2026-08-25 02:58 639232235157175331
44 ms 108.162.192.81
18 2026-08-25 02:58 639232235157175331
44 ms 173.245.58.81
17 2026-08-25 02:58 639232235157175331
44 ms 172.64.32.81
16 2026-08-25 02:05 639232203197189095
28 ms 172.64.32.81
15 2026-08-25 02:05 639232203197189095
28 ms 173.245.58.81
14 2026-08-25 02:05 639232203197189095
28 ms 108.162.192.81
13 2026-08-25 01:48 639232192844564298
5 ms 108.162.192.81
12 2026-08-25 01:48 639232192844564298
5 ms 172.64.32.81
11 2026-08-25 01:48 639232192844564298
5 ms 173.245.58.81
10 2026-08-25 01:31 639232182496008942
4 ms 108.162.192.81
9 2026-08-25 01:31 639232182496008942
4 ms 172.64.32.81
8 2026-08-25 01:31 639232182496008942
4 ms 173.245.58.81
7 2026-08-25 01:14 639232172197053132
-
6 2026-08-25 00:20 639232140250307418
31 ms 172.64.32.81
5 2026-08-25 00:20 639232140250307418
31 ms 108.162.192.81
4 2026-08-25 00:20 639232140250307418
31 ms 173.245.58.81
3 2026-08-25 00:03 639232129927860324
4 ms 108.162.192.81
2 2026-08-25 00:03 639232129927860324
4 ms 172.64.32.81
1 2026-08-25 00:03 639232129927860324
4 ms 173.245.58.81