DNS response history for denver.ns.cloudflare.com

denver.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 2026-08-20. For this date, NameServerHistory found 171 DNS check records, 171 successful responses, 0 failed responses, and 83 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 denver.ns.cloudflare.com.
Records on Selected Date

171

Historical checks stored for this nameserver on selected date

Average Latency

83 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-20 23:57

All timestamps shown in UTC

Latest Resolved IP on Selected Date

108.162.195.196

Most recently resolved hosting IP on selected date

Successful Responses

171

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 denver.ns.cloudflare.com

Showing DNS history for 2026-08-20 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
171 2026-08-20 23:57 639228670775860800
30 ms 108.162.195.196
170 2026-08-20 23:57 639228670775860800
30 ms 162.159.44.196
169 2026-08-20 23:57 639228670775860800
30 ms 172.64.35.196
168 2026-08-20 23:06 639228639850033448
35 ms 172.64.35.196
167 2026-08-20 23:06 639228639850033448
35 ms 108.162.195.196
166 2026-08-20 23:06 639228639850033448
35 ms 162.159.44.196
165 2026-08-20 22:50 639228630204271870
17 ms 108.162.195.196
164 2026-08-20 22:50 639228630204271870
17 ms 162.159.44.196
163 2026-08-20 22:50 639228630204271870
17 ms 172.64.35.196
162 2026-08-20 22:33 639228620295091135
29 ms 108.162.195.196
161 2026-08-20 22:33 639228620295091135
29 ms 162.159.44.196
160 2026-08-20 22:33 639228620295091135
29 ms 172.64.35.196
159 2026-08-20 22:17 639228610298336915
359 ms 108.162.195.196
158 2026-08-20 22:17 639228610298336915
359 ms 172.64.35.196
157 2026-08-20 22:17 639228610298336915
359 ms 162.159.44.196
156 2026-08-20 21:24 639228578917047616
24 ms 108.162.195.196
155 2026-08-20 21:24 639228578917047616
24 ms 162.159.44.196
154 2026-08-20 21:24 639228578917047616
24 ms 172.64.35.196
153 2026-08-20 21:08 639228569046445709
20 ms 108.162.195.196
152 2026-08-20 21:08 639228569046445709
20 ms 162.159.44.196
151 2026-08-20 21:08 639228569046445709
20 ms 172.64.35.196
150 2026-08-20 20:51 639228558946830986
194 ms 108.162.195.196
149 2026-08-20 20:51 639228558946830986
194 ms 162.159.44.196
148 2026-08-20 20:51 639228558946830986
194 ms 172.64.35.196
147 2026-08-20 20:34 639228548977359217
36 ms 108.162.195.196
146 2026-08-20 20:34 639228548977359217
36 ms 162.159.44.196
145 2026-08-20 20:34 639228548977359217
36 ms 172.64.35.196
144 2026-08-20 19:42 639228517494157668
32 ms 108.162.195.196
143 2026-08-20 19:42 639228517494157668
32 ms 162.159.44.196
142 2026-08-20 19:42 639228517494157668
32 ms 172.64.35.196
141 2026-08-20 19:25 639228507374116892
11 ms 162.159.44.196
140 2026-08-20 19:25 639228507374116892
11 ms 172.64.35.196
139 2026-08-20 19:25 639228507374116892
11 ms 108.162.195.196
138 2026-08-20 19:08 639228497315154893
8 ms 108.162.195.196
137 2026-08-20 19:08 639228497315154893
8 ms 162.159.44.196
136 2026-08-20 19:08 639228497315154893
8 ms 172.64.35.196
135 2026-08-20 18:52 639228487287648341
48 ms 108.162.195.196
134 2026-08-20 18:52 639228487287648341
48 ms 162.159.44.196
133 2026-08-20 18:52 639228487287648341
48 ms 172.64.35.196
132 2026-08-20 17:59 639228455828123788
38 ms 108.162.195.196
131 2026-08-20 17:59 639228455828123788
38 ms 162.159.44.196
130 2026-08-20 17:59 639228455828123788
38 ms 172.64.35.196
129 2026-08-20 17:43 639228445900082244
11 ms 108.162.195.196
128 2026-08-20 17:43 639228445900082244
11 ms 162.159.44.196
127 2026-08-20 17:43 639228445900082244
11 ms 172.64.35.196
126 2026-08-20 17:26 639228435866352323
21 ms 108.162.195.196
125 2026-08-20 17:26 639228435866352323
21 ms 162.159.44.196
124 2026-08-20 17:26 639228435866352323
21 ms 172.64.35.196
123 2026-08-20 17:09 639228425802273151
276 ms 108.162.195.196
122 2026-08-20 17:09 639228425802273151
276 ms 162.159.44.196
121 2026-08-20 17:09 639228425802273151
276 ms 172.64.35.196
120 2026-08-20 16:16 639228393616324230
8 ms 108.162.195.196
119 2026-08-20 16:16 639228393616324230
8 ms 162.159.44.196
118 2026-08-20 16:16 639228393616324230
8 ms 172.64.35.196
117 2026-08-20 15:59 639228383590408693
28 ms 108.162.195.196
116 2026-08-20 15:59 639228383590408693
28 ms 162.159.44.196
115 2026-08-20 15:59 639228383590408693
28 ms 172.64.35.196
114 2026-08-20 15:42 639228373471467474
11 ms 108.162.195.196
113 2026-08-20 15:42 639228373471467474
11 ms 162.159.44.196
112 2026-08-20 15:42 639228373471467474
11 ms 172.64.35.196
111 2026-08-20 15:25 639228363426647311
34 ms 108.162.195.196
110 2026-08-20 15:25 639228363426647311
34 ms 162.159.44.196
109 2026-08-20 15:25 639228363426647311
34 ms 172.64.35.196
108 2026-08-20 14:32 639228331681701910
32 ms 108.162.195.196
107 2026-08-20 14:32 639228331681701910
32 ms 162.159.44.196
106 2026-08-20 14:32 639228331681701910
32 ms 172.64.35.196
105 2026-08-20 14:16 639228321714746824
135 ms 108.162.195.196
104 2026-08-20 14:16 639228321714746824
135 ms 162.159.44.196
103 2026-08-20 14:16 639228321714746824
135 ms 172.64.35.196
102 2026-08-20 13:59 639228311652090262
47 ms 162.159.44.196
101 2026-08-20 13:59 639228311652090262
47 ms 108.162.195.196
100 2026-08-20 13:59 639228311652090262
47 ms 172.64.35.196
99 2026-08-20 13:42 639228301670088587
27 ms 108.162.195.196
98 2026-08-20 13:42 639228301670088587
27 ms 162.159.44.196
97 2026-08-20 13:42 639228301670088587
27 ms 172.64.35.196
96 2026-08-20 12:49 639228269987976710
33 ms 108.162.195.196
95 2026-08-20 12:49 639228269987976710
33 ms 162.159.44.196
94 2026-08-20 12:49 639228269987976710
33 ms 172.64.35.196
93 2026-08-20 12:33 639228260009452308
161 ms 108.162.195.196
92 2026-08-20 12:33 639228260009452308
161 ms 162.159.44.196
91 2026-08-20 12:33 639228260009452308
161 ms 172.64.35.196
90 2026-08-20 12:16 639228249661740894
36 ms 108.162.195.196
89 2026-08-20 12:16 639228249661740894
36 ms 162.159.44.196
88 2026-08-20 12:16 639228249661740894
36 ms 172.64.35.196
87 2026-08-20 11:59 639228239552680346
494 ms 172.64.35.196
86 2026-08-20 11:59 639228239552680346
494 ms 162.159.44.196
85 2026-08-20 11:59 639228239552680346
494 ms 108.162.195.196
84 2026-08-20 11:06 639228207667580819
33 ms 108.162.195.196
83 2026-08-20 11:06 639228207667580819
33 ms 162.159.44.196
82 2026-08-20 11:06 639228207667580819
33 ms 172.64.35.196
81 2026-08-20 10:49 639228197494011560
203 ms 108.162.195.196
80 2026-08-20 10:49 639228197494011560
203 ms 162.159.44.196
79 2026-08-20 10:49 639228197494011560
203 ms 172.64.35.196
78 2026-08-20 10:32 639228187497039939
203 ms 108.162.195.196
77 2026-08-20 10:32 639228187497039939
203 ms 162.159.44.196
76 2026-08-20 10:32 639228187497039939
203 ms 172.64.35.196
75 2026-08-20 10:15 639228177408432646
55 ms 108.162.195.196
74 2026-08-20 10:15 639228177408432646
55 ms 162.159.44.196
73 2026-08-20 10:15 639228177408432646
55 ms 172.64.35.196
72 2026-08-20 09:23 639228146356166262
17 ms 108.162.195.196
71 2026-08-20 09:23 639228146356166262
17 ms 162.159.44.196
70 2026-08-20 09:23 639228146356166262
17 ms 172.64.35.196
69 2026-08-20 09:07 639228136541505712
49 ms 108.162.195.196
68 2026-08-20 09:07 639228136541505712
49 ms 162.159.44.196
67 2026-08-20 09:07 639228136541505712
49 ms 172.64.35.196
66 2026-08-20 08:50 639228126519136598
185 ms 108.162.195.196
65 2026-08-20 08:50 639228126519136598
185 ms 162.159.44.196
64 2026-08-20 08:50 639228126519136598
185 ms 172.64.35.196
63 2026-08-20 08:34 639228116537148885
133 ms 108.162.195.196
62 2026-08-20 08:34 639228116537148885
133 ms 162.159.44.196
61 2026-08-20 08:34 639228116537148885
133 ms 172.64.35.196
60 2026-08-20 07:42 639228085320764351
196 ms 108.162.195.196
59 2026-08-20 07:42 639228085320764351
196 ms 162.159.44.196
58 2026-08-20 07:42 639228085320764351
196 ms 172.64.35.196
57 2026-08-20 07:25 639228075444604839
7 ms 108.162.195.196
56 2026-08-20 07:25 639228075444604839
7 ms 162.159.44.196
55 2026-08-20 07:25 639228075444604839
7 ms 172.64.35.196
54 2026-08-20 07:09 639228065615498985
64 ms 162.159.44.196
53 2026-08-20 07:09 639228065615498985
64 ms 108.162.195.196
52 2026-08-20 07:09 639228065615498985
64 ms 172.64.35.196
51 2026-08-20 06:52 639228055675321422
304 ms 108.162.195.196
50 2026-08-20 06:52 639228055675321422
304 ms 162.159.44.196
49 2026-08-20 06:52 639228055675321422
304 ms 172.64.35.196
48 2026-08-20 06:00 639228024230839396
14 ms 108.162.195.196
47 2026-08-20 06:00 639228024230839396
14 ms 162.159.44.196
46 2026-08-20 06:00 639228024230839396
14 ms 172.64.35.196
45 2026-08-20 05:44 639228014720406505
33 ms 108.162.195.196
44 2026-08-20 05:44 639228014720406505
33 ms 162.159.44.196
43 2026-08-20 05:44 639228014720406505
33 ms 172.64.35.196
42 2026-08-20 05:28 639228004930827030
7 ms 108.162.195.196
41 2026-08-20 05:28 639228004930827030
7 ms 162.159.44.196
40 2026-08-20 05:28 639228004930827030
7 ms 172.64.35.196
39 2026-08-20 05:11 639227995103340154
42 ms 108.162.195.196
38 2026-08-20 05:11 639227995103340154
42 ms 162.159.44.196
37 2026-08-20 05:11 639227995103340154
42 ms 172.64.35.196
36 2026-08-20 04:19 639227963811374894
6 ms 108.162.195.196
35 2026-08-20 04:19 639227963811374894
6 ms 162.159.44.196
34 2026-08-20 04:19 639227963811374894
6 ms 172.64.35.196
33 2026-08-20 04:03 639227954132571365
37 ms 108.162.195.196
32 2026-08-20 04:03 639227954132571365
37 ms 162.159.44.196
31 2026-08-20 04:03 639227954132571365
37 ms 172.64.35.196
30 2026-08-20 03:47 639227944541208342
30 ms 162.159.44.196
29 2026-08-20 03:47 639227944541208342
30 ms 172.64.35.196
28 2026-08-20 03:47 639227944541208342
30 ms 108.162.195.196
27 2026-08-20 03:31 639227934657213484
7 ms 108.162.195.196
26 2026-08-20 03:31 639227934657213484
7 ms 162.159.44.196
25 2026-08-20 03:31 639227934657213484
7 ms 172.64.35.196
24 2026-08-20 02:39 639227903628145469
201 ms 108.162.195.196
23 2026-08-20 02:39 639227903628145469
201 ms 162.159.44.196
22 2026-08-20 02:39 639227903628145469
201 ms 172.64.35.196
21 2026-08-20 02:23 639227893995483475
27 ms 108.162.195.196
20 2026-08-20 02:23 639227893995483475
27 ms 162.159.44.196
19 2026-08-20 02:23 639227893995483475
27 ms 172.64.35.196
18 2026-08-20 02:07 639227884280244209
22 ms 108.162.195.196
17 2026-08-20 02:07 639227884280244209
22 ms 162.159.44.196
16 2026-08-20 02:07 639227884280244209
22 ms 172.64.35.196
15 2026-08-20 01:50 639227874371147132
326 ms 108.162.195.196
14 2026-08-20 01:50 639227874371147132
326 ms 162.159.44.196
13 2026-08-20 01:50 639227874371147132
326 ms 172.64.35.196
12 2026-08-20 00:58 639227843224256432
17 ms 108.162.195.196
11 2026-08-20 00:58 639227843224256432
17 ms 162.159.44.196
10 2026-08-20 00:58 639227843224256432
17 ms 172.64.35.196
9 2026-08-20 00:42 639227833720403506
46 ms 172.64.35.196
8 2026-08-20 00:42 639227833720403506
46 ms 108.162.195.196
7 2026-08-20 00:42 639227833720403506
46 ms 162.159.44.196
6 2026-08-20 00:26 639227824170728278
194 ms 108.162.195.196
5 2026-08-20 00:26 639227824170728278
194 ms 162.159.44.196
4 2026-08-20 00:26 639227824170728278
194 ms 172.64.35.196
3 2026-08-20 00:11 639227814865867570
36 ms 108.162.195.196
2 2026-08-20 00:11 639227814865867570
36 ms 162.159.44.196
1 2026-08-20 00:11 639227814865867570
36 ms 172.64.35.196