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 2026-08-22. For this date, NameServerHistory found 222 DNS check records, 222 successful responses, 0 failed responses, and 181 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

222

Historical checks stored for this nameserver on selected date

Average Latency

181 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-22 23:46

All timestamps shown in UTC

Latest Resolved IP on Selected Date

173.245.58.81

Most recently resolved hosting IP on selected date

Successful Responses

222

Checks that returned a measurable response

Failed Responses

0

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 cass.ns.cloudflare.com

Showing DNS history for 2026-08-22 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
222 2026-08-22 23:46 639230391807229016
24 ms 173.245.58.81
221 2026-08-22 23:46 639230391807229016
24 ms 108.162.192.81
220 2026-08-22 23:46 639230391807229016
24 ms 172.64.32.81
219 2026-08-22 23:30 639230382051619327
24 ms 108.162.192.81
218 2026-08-22 23:30 639230382051619327
24 ms 172.64.32.81
217 2026-08-22 23:30 639230382051619327
24 ms 173.245.58.81
216 2026-08-22 23:14 639230372323353529
21 ms 108.162.192.81
215 2026-08-22 23:14 639230372323353529
21 ms 172.64.32.81
214 2026-08-22 23:14 639230372323353529
21 ms 173.245.58.81
213 2026-08-22 22:57 639230362586451064
4 ms 108.162.192.81
212 2026-08-22 22:57 639230362586451064
4 ms 172.64.32.81
211 2026-08-22 22:57 639230362586451064
4 ms 173.245.58.81
210 2026-08-22 22:41 639230352793666303
7 ms 108.162.192.81
209 2026-08-22 22:41 639230352793666303
7 ms 172.64.32.81
208 2026-08-22 22:41 639230352793666303
7 ms 173.245.58.81
207 2026-08-22 22:24 639230342775737758
41 ms 108.162.192.81
206 2026-08-22 22:24 639230342775737758
41 ms 172.64.32.81
205 2026-08-22 22:24 639230342775737758
41 ms 173.245.58.81
204 2026-08-22 22:07 639230332639939561
41 ms 108.162.192.81
203 2026-08-22 22:07 639230332639939561
41 ms 172.64.32.81
202 2026-08-22 22:07 639230332639939561
41 ms 173.245.58.81
201 2026-08-22 21:15 639230301014190104
6 ms 108.162.192.81
200 2026-08-22 21:15 639230301014190104
6 ms 172.64.32.81
199 2026-08-22 21:15 639230301014190104
6 ms 173.245.58.81
198 2026-08-22 20:58 639230291048161498
5 ms 108.162.192.81
197 2026-08-22 20:58 639230291048161498
5 ms 172.64.32.81
196 2026-08-22 20:58 639230291048161498
5 ms 173.245.58.81
195 2026-08-22 20:41 639230280894353664
23 ms 173.245.58.81
194 2026-08-22 20:41 639230280894353664
23 ms 108.162.192.81
193 2026-08-22 20:41 639230280894353664
23 ms 172.64.32.81
192 2026-08-22 20:24 639230270699419073
43 ms 172.64.32.81
191 2026-08-22 20:24 639230270699419073
43 ms 108.162.192.81
190 2026-08-22 20:24 639230270699419073
43 ms 173.245.58.81
189 2026-08-22 20:07 639230260248163050
11 ms 108.162.192.81
188 2026-08-22 20:07 639230260248163050
11 ms 172.64.32.81
187 2026-08-22 20:07 639230260248163050
11 ms 173.245.58.81
186 2026-08-22 19:50 639230250122494282
5 ms 108.162.192.81
185 2026-08-22 19:50 639230250122494282
5 ms 172.64.32.81
184 2026-08-22 19:50 639230250122494282
5 ms 173.245.58.81
183 2026-08-22 19:33 639230239972935046
11 ms 108.162.192.81
182 2026-08-22 19:33 639230239972935046
11 ms 172.64.32.81
181 2026-08-22 19:33 639230239972935046
11 ms 173.245.58.81
180 2026-08-22 19:16 639230229963262464
3 ms 108.162.192.81
179 2026-08-22 19:16 639230229963262464
3 ms 172.64.32.81
178 2026-08-22 19:16 639230229963262464
3 ms 173.245.58.81
177 2026-08-22 19:00 639230220033804658
9 ms 108.162.192.81
176 2026-08-22 19:00 639230220033804658
9 ms 172.64.32.81
175 2026-08-22 19:00 639230220033804658
9 ms 173.245.58.81
174 2026-08-22 18:43 639230209891107289
33 ms 108.162.192.81
173 2026-08-22 18:43 639230209891107289
33 ms 172.64.32.81
172 2026-08-22 18:43 639230209891107289
33 ms 173.245.58.81
171 2026-08-22 18:26 639230199630298717
38 ms 172.64.32.81
170 2026-08-22 18:26 639230199630298717
38 ms 173.245.58.81
169 2026-08-22 18:26 639230199630298717
38 ms 108.162.192.81
168 2026-08-22 18:09 639230189301984150
69 ms 172.64.32.81
167 2026-08-22 18:09 639230189301984150
69 ms 108.162.192.81
166 2026-08-22 18:09 639230189301984150
69 ms 173.245.58.81
165 2026-08-22 17:15 639230157138468804
15 ms 108.162.192.81
164 2026-08-22 17:15 639230157138468804
15 ms 172.64.32.81
163 2026-08-22 17:15 639230157138468804
15 ms 173.245.58.81
162 2026-08-22 16:58 639230146987869495
7 ms 108.162.192.81
161 2026-08-22 16:58 639230146987869495
7 ms 172.64.32.81
160 2026-08-22 16:58 639230146987869495
7 ms 173.245.58.81
159 2026-08-22 16:41 639230136768638516
16 ms 108.162.192.81
158 2026-08-22 16:41 639230136768638516
16 ms 173.245.58.81
157 2026-08-22 16:41 639230136768638516
16 ms 172.64.32.81
156 2026-08-22 16:24 639230126735907877
2034 ms 172.64.32.81
155 2026-08-22 16:24 639230126735907877
2034 ms 173.245.58.81
154 2026-08-22 16:24 639230126735907877
2034 ms 108.162.192.81
153 2026-08-22 16:07 639230116551187768
10 ms 108.162.192.81
152 2026-08-22 16:07 639230116551187768
10 ms 172.64.32.81
151 2026-08-22 16:07 639230116551187768
10 ms 173.245.58.81
150 2026-08-22 15:50 639230106335615913
4 ms 108.162.192.81
149 2026-08-22 15:50 639230106335615913
4 ms 172.64.32.81
148 2026-08-22 15:50 639230106335615913
4 ms 173.245.58.81
147 2026-08-22 15:33 639230096177758176
2022 ms 172.64.32.81
146 2026-08-22 15:33 639230096177758176
2022 ms 108.162.192.81
145 2026-08-22 15:33 639230096177758176
2022 ms 173.245.58.81
144 2026-08-22 15:17 639230086185999993
6 ms 108.162.192.81
143 2026-08-22 15:17 639230086185999993
6 ms 172.64.32.81
142 2026-08-22 15:17 639230086185999993
6 ms 173.245.58.81
141 2026-08-22 15:00 639230076247854903
2019 ms 172.64.32.81
140 2026-08-22 15:00 639230076247854903
2019 ms 108.162.192.81
139 2026-08-22 15:00 639230076247854903
2019 ms 173.245.58.81
138 2026-08-22 14:43 639230066076077530
34 ms 172.64.32.81
137 2026-08-22 14:43 639230066076077530
34 ms 108.162.192.81
136 2026-08-22 14:43 639230066076077530
34 ms 173.245.58.81
135 2026-08-22 14:26 639230055738197328
2041 ms 108.162.192.81
134 2026-08-22 14:26 639230055738197328
2041 ms 172.64.32.81
133 2026-08-22 14:26 639230055738197328
2041 ms 173.245.58.81
132 2026-08-22 14:09 639230045411225521
29 ms 172.64.32.81
131 2026-08-22 14:09 639230045411225521
29 ms 108.162.192.81
130 2026-08-22 14:09 639230045411225521
29 ms 173.245.58.81
129 2026-08-22 13:15 639230013046000470
35 ms 108.162.192.81
128 2026-08-22 13:15 639230013046000470
35 ms 172.64.32.81
127 2026-08-22 13:15 639230013046000470
35 ms 173.245.58.81
126 2026-08-22 12:58 639230003090037878
35 ms 172.64.32.81
125 2026-08-22 12:58 639230003090037878
35 ms 108.162.192.81
124 2026-08-22 12:58 639230003090037878
35 ms 173.245.58.81
123 2026-08-22 12:41 639229993008259475
25 ms 173.245.58.81
122 2026-08-22 12:41 639229993008259475
25 ms 172.64.32.81
121 2026-08-22 12:41 639229993008259475
25 ms 108.162.192.81
120 2026-08-22 12:25 639229982909449470
8 ms 108.162.192.81
119 2026-08-22 12:25 639229982909449470
8 ms 172.64.32.81
118 2026-08-22 12:25 639229982909449470
8 ms 173.245.58.81
117 2026-08-22 12:08 639229973035502212
3 ms 108.162.192.81
116 2026-08-22 12:08 639229973035502212
3 ms 172.64.32.81
115 2026-08-22 12:08 639229973035502212
3 ms 173.245.58.81
114 2026-08-22 11:51 639229963064296145
6 ms 108.162.192.81
113 2026-08-22 11:51 639229963064296145
6 ms 172.64.32.81
112 2026-08-22 11:51 639229963064296145
6 ms 173.245.58.81
111 2026-08-22 11:35 639229952996162143
24 ms 108.162.192.81
110 2026-08-22 11:35 639229952996162143
24 ms 172.64.32.81
109 2026-08-22 11:35 639229952996162143
24 ms 173.245.58.81
108 2026-08-22 11:18 639229943051949195
5 ms 108.162.192.81
107 2026-08-22 11:18 639229943051949195
5 ms 172.64.32.81
106 2026-08-22 11:18 639229943051949195
5 ms 173.245.58.81
105 2026-08-22 11:01 639229932919214934
30 ms 108.162.192.81
104 2026-08-22 11:01 639229932919214934
30 ms 172.64.32.81
103 2026-08-22 11:01 639229932919214934
30 ms 173.245.58.81
102 2026-08-22 10:44 639229922745889838
8 ms 108.162.192.81
101 2026-08-22 10:44 639229922745889838
8 ms 172.64.32.81
100 2026-08-22 10:44 639229922745889838
8 ms 173.245.58.81
99 2026-08-22 10:27 639229912587214796
6 ms 108.162.192.81
98 2026-08-22 10:27 639229912587214796
6 ms 172.64.32.81
97 2026-08-22 10:27 639229912587214796
6 ms 173.245.58.81
96 2026-08-22 10:10 639229902240004454
41 ms 172.64.32.81
95 2026-08-22 10:10 639229902240004454
41 ms 173.245.58.81
94 2026-08-22 10:10 639229902240004454
41 ms 108.162.192.81
93 2026-08-22 09:18 639229870800501662
4 ms 108.162.192.81
92 2026-08-22 09:18 639229870800501662
4 ms 172.64.32.81
91 2026-08-22 09:18 639229870800501662
4 ms 173.245.58.81
90 2026-08-22 09:01 639229861058384956
19 ms 108.162.192.81
89 2026-08-22 09:01 639229861058384956
19 ms 172.64.32.81
88 2026-08-22 09:01 639229861058384956
19 ms 173.245.58.81
87 2026-08-22 08:45 639229851158592604
35 ms 108.162.192.81
86 2026-08-22 08:45 639229851158592604
35 ms 172.64.32.81
85 2026-08-22 08:45 639229851158592604
35 ms 173.245.58.81
84 2026-08-22 08:29 639229841475569629
22 ms 108.162.192.81
83 2026-08-22 08:29 639229841475569629
22 ms 172.64.32.81
82 2026-08-22 08:29 639229841475569629
22 ms 173.245.58.81
81 2026-08-22 08:13 639229831887658471
20 ms 173.245.58.81
80 2026-08-22 08:13 639229831887658471
20 ms 108.162.192.81
79 2026-08-22 08:13 639229831887658471
20 ms 172.64.32.81
78 2026-08-22 07:56 639229822043670346
4 ms 108.162.192.81
77 2026-08-22 07:56 639229822043670346
4 ms 172.64.32.81
76 2026-08-22 07:56 639229822043670346
4 ms 173.245.58.81
75 2026-08-22 07:40 639229812327913936
26 ms 108.162.192.81
74 2026-08-22 07:40 639229812327913936
26 ms 172.64.32.81
73 2026-08-22 07:40 639229812327913936
26 ms 173.245.58.81
72 2026-08-22 07:24 639229802629488686
4014 ms 108.162.192.81
71 2026-08-22 07:24 639229802629488686
4014 ms 172.64.32.81
70 2026-08-22 07:24 639229802629488686
4014 ms 173.245.58.81
69 2026-08-22 07:08 639229793051447309
56 ms 173.245.58.81
68 2026-08-22 07:08 639229793051447309
56 ms 172.64.32.81
67 2026-08-22 07:08 639229793051447309
56 ms 108.162.192.81
66 2026-08-22 06:52 639229783303531961
4 ms 108.162.192.81
65 2026-08-22 06:52 639229783303531961
4 ms 172.64.32.81
64 2026-08-22 06:52 639229783303531961
4 ms 173.245.58.81
63 2026-08-22 06:36 639229773458051942
4 ms 108.162.192.81
62 2026-08-22 06:36 639229773458051942
4 ms 172.64.32.81
61 2026-08-22 06:36 639229773458051942
4 ms 173.245.58.81
60 2026-08-22 06:19 639229763373848056
10 ms 108.162.192.81
59 2026-08-22 06:19 639229763373848056
10 ms 172.64.32.81
58 2026-08-22 06:19 639229763373848056
10 ms 173.245.58.81
57 2026-08-22 05:27 639229732140622809
4 ms 108.162.192.81
56 2026-08-22 05:27 639229732140622809
4 ms 172.64.32.81
55 2026-08-22 05:27 639229732140622809
4 ms 173.245.58.81
54 2026-08-22 05:11 639229722699695967
21 ms 108.162.192.81
53 2026-08-22 05:11 639229722699695967
21 ms 172.64.32.81
52 2026-08-22 05:11 639229722699695967
21 ms 173.245.58.81
51 2026-08-22 04:55 639229713097498075
5 ms 108.162.192.81
50 2026-08-22 04:55 639229713097498075
5 ms 172.64.32.81
49 2026-08-22 04:55 639229713097498075
5 ms 173.245.58.81
48 2026-08-22 04:39 639229703543969637
4 ms 108.162.192.81
47 2026-08-22 04:39 639229703543969637
4 ms 172.64.32.81
46 2026-08-22 04:39 639229703543969637
4 ms 173.245.58.81
45 2026-08-22 04:23 639229693970392873
4 ms 108.162.192.81
44 2026-08-22 04:23 639229693970392873
4 ms 172.64.32.81
43 2026-08-22 04:23 639229693970392873
4 ms 173.245.58.81
42 2026-08-22 04:07 639229684277329469
21 ms 108.162.192.81
41 2026-08-22 04:07 639229684277329469
21 ms 172.64.32.81
40 2026-08-22 04:07 639229684277329469
21 ms 173.245.58.81
39 2026-08-22 03:51 639229674501596661
4 ms 108.162.192.81
38 2026-08-22 03:51 639229674501596661
4 ms 172.64.32.81
37 2026-08-22 03:51 639229674501596661
4 ms 173.245.58.81
36 2026-08-22 03:35 639229665064441147
54 ms 173.245.58.81
35 2026-08-22 03:35 639229665064441147
54 ms 172.64.32.81
34 2026-08-22 03:35 639229665064441147
54 ms 108.162.192.81
33 2026-08-22 03:19 639229655507536872
21 ms 108.162.192.81
32 2026-08-22 03:19 639229655507536872
21 ms 173.245.58.81
31 2026-08-22 03:19 639229655507536872
21 ms 172.64.32.81
30 2026-08-22 03:03 639229645849603111
5 ms 108.162.192.81
29 2026-08-22 03:03 639229645849603111
5 ms 172.64.32.81
28 2026-08-22 03:03 639229645849603111
5 ms 173.245.58.81
27 2026-08-22 02:47 639229636090497453
8 ms 172.64.32.81
26 2026-08-22 02:47 639229636090497453
8 ms 108.162.192.81
25 2026-08-22 02:47 639229636090497453
8 ms 173.245.58.81
24 2026-08-22 02:30 639229625978544281
31 ms 172.64.32.81
23 2026-08-22 02:30 639229625978544281
31 ms 173.245.58.81
22 2026-08-22 02:30 639229625978544281
31 ms 108.162.192.81
21 2026-08-22 01:37 639229594644662176
6 ms 108.162.192.81
20 2026-08-22 01:37 639229594644662176
6 ms 172.64.32.81
19 2026-08-22 01:37 639229594644662176
6 ms 173.245.58.81
18 2026-08-22 01:22 639229585214633065
19 ms 108.162.192.81
17 2026-08-22 01:22 639229585214633065
19 ms 172.64.32.81
16 2026-08-22 01:22 639229585214633065
19 ms 173.245.58.81
15 2026-08-22 01:06 639229575581042175
12 ms 172.64.32.81
14 2026-08-22 01:06 639229575581042175
12 ms 108.162.192.81
13 2026-08-22 01:06 639229575581042175
12 ms 173.245.58.81
12 2026-08-22 00:50 639229565912268962
5 ms 108.162.192.81
11 2026-08-22 00:50 639229565912268962
5 ms 172.64.32.81
10 2026-08-22 00:50 639229565912268962
5 ms 173.245.58.81
9 2026-08-22 00:33 639229556237813203
7 ms 108.162.192.81
8 2026-08-22 00:33 639229556237813203
7 ms 172.64.32.81
7 2026-08-22 00:33 639229556237813203
7 ms 173.245.58.81
6 2026-08-22 00:17 639229546625802518
23 ms 108.162.192.81
5 2026-08-22 00:17 639229546625802518
23 ms 172.64.32.81
4 2026-08-22 00:17 639229546625802518
23 ms 173.245.58.81
3 2026-08-22 00:02 639229537172016621
43 ms 172.64.32.81
2 2026-08-22 00:02 639229537172016621
43 ms 173.245.58.81
1 2026-08-22 00:02 639229537172016621
43 ms 108.162.192.81