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 2026-08-23. For this date, NameServerHistory found 219 DNS check records, 219 successful responses, 0 failed responses, and 84 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

219

Historical checks stored for this nameserver on selected date

Average Latency

84 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-23 23:11

All timestamps shown in UTC

Latest Resolved IP on Selected Date

162.159.44.196

Most recently resolved hosting IP on selected date

Successful Responses

219

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 2026-08-23 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
219 2026-08-23 23:11 639231234893504693
25 ms 162.159.44.196
218 2026-08-23 23:11 639231234893504693
25 ms 172.64.35.196
217 2026-08-23 23:11 639231234893504693
25 ms 108.162.195.196
216 2026-08-23 22:55 639231225024549139
23 ms 108.162.195.196
215 2026-08-23 22:55 639231225024549139
23 ms 162.159.44.196
214 2026-08-23 22:55 639231225024549139
23 ms 172.64.35.196
213 2026-08-23 22:38 639231214931957622
79 ms 108.162.195.196
212 2026-08-23 22:38 639231214931957622
79 ms 162.159.44.196
211 2026-08-23 22:38 639231214931957622
79 ms 172.64.35.196
210 2026-08-23 22:21 639231204962010549
142 ms 108.162.195.196
209 2026-08-23 22:21 639231204962010549
142 ms 162.159.44.196
208 2026-08-23 22:21 639231204962010549
142 ms 172.64.35.196
207 2026-08-23 22:05 639231195170138463
72 ms 108.162.195.196
206 2026-08-23 22:05 639231195170138463
72 ms 162.159.44.196
205 2026-08-23 22:05 639231195170138463
72 ms 172.64.35.196
204 2026-08-23 21:48 639231185235020577
51 ms 162.159.44.196
203 2026-08-23 21:48 639231185235020577
51 ms 172.64.35.196
202 2026-08-23 21:48 639231185235020577
51 ms 108.162.195.196
201 2026-08-23 21:32 639231175558690075
49 ms 108.162.195.196
200 2026-08-23 21:32 639231175558690075
49 ms 162.159.44.196
199 2026-08-23 21:32 639231175558690075
49 ms 172.64.35.196
198 2026-08-23 21:16 639231165610444012
451 ms 108.162.195.196
197 2026-08-23 21:16 639231165610444012
451 ms 162.159.44.196
196 2026-08-23 21:16 639231165610444012
451 ms 172.64.35.196
195 2026-08-23 20:23 639231133806425363
42 ms 108.162.195.196
194 2026-08-23 20:23 639231133806425363
42 ms 162.159.44.196
193 2026-08-23 20:23 639231133806425363
42 ms 172.64.35.196
192 2026-08-23 20:07 639231124203758023
140 ms 108.162.195.196
191 2026-08-23 20:07 639231124203758023
140 ms 162.159.44.196
190 2026-08-23 20:07 639231124203758023
140 ms 172.64.35.196
189 2026-08-23 19:50 639231114428262706
7 ms 108.162.195.196
188 2026-08-23 19:50 639231114428262706
7 ms 162.159.44.196
187 2026-08-23 19:50 639231114428262706
7 ms 172.64.35.196
186 2026-08-23 19:34 639231104662480065
15 ms 108.162.195.196
185 2026-08-23 19:34 639231104662480065
15 ms 162.159.44.196
184 2026-08-23 19:34 639231104662480065
15 ms 172.64.35.196
183 2026-08-23 19:18 639231094840372018
6 ms 108.162.195.196
182 2026-08-23 19:18 639231094840372018
6 ms 162.159.44.196
181 2026-08-23 19:18 639231094840372018
6 ms 172.64.35.196
180 2026-08-23 19:01 639231085024583224
23 ms 108.162.195.196
179 2026-08-23 19:01 639231085024583224
23 ms 162.159.44.196
178 2026-08-23 19:01 639231085024583224
23 ms 172.64.35.196
177 2026-08-23 18:45 639231075257417427
36 ms 162.159.44.196
176 2026-08-23 18:45 639231075257417427
36 ms 108.162.195.196
175 2026-08-23 18:45 639231075257417427
36 ms 172.64.35.196
174 2026-08-23 18:29 639231065516009503
7 ms 108.162.195.196
173 2026-08-23 18:29 639231065516009503
7 ms 162.159.44.196
172 2026-08-23 18:29 639231065516009503
7 ms 172.64.35.196
171 2026-08-23 18:13 639231055805348837
228 ms 108.162.195.196
170 2026-08-23 18:13 639231055805348837
228 ms 162.159.44.196
169 2026-08-23 18:13 639231055805348837
228 ms 172.64.35.196
168 2026-08-23 17:56 639231045980373765
26 ms 108.162.195.196
167 2026-08-23 17:56 639231045980373765
26 ms 162.159.44.196
166 2026-08-23 17:56 639231045980373765
26 ms 172.64.35.196
165 2026-08-23 17:39 639231035984577527
186 ms 108.162.195.196
164 2026-08-23 17:39 639231035984577527
186 ms 162.159.44.196
163 2026-08-23 17:39 639231035984577527
186 ms 172.64.35.196
162 2026-08-23 17:23 639231025928115303
389 ms 108.162.195.196
161 2026-08-23 17:23 639231025928115303
389 ms 162.159.44.196
160 2026-08-23 17:23 639231025928115303
389 ms 172.64.35.196
159 2026-08-23 16:30 639230994250157583
44 ms 108.162.195.196
158 2026-08-23 16:30 639230994250157583
44 ms 162.159.44.196
157 2026-08-23 16:30 639230994250157583
44 ms 172.64.35.196
156 2026-08-23 16:14 639230984476411369
52 ms 108.162.195.196
155 2026-08-23 16:14 639230984476411369
52 ms 162.159.44.196
154 2026-08-23 16:14 639230984476411369
52 ms 172.64.35.196
153 2026-08-23 15:58 639230974838373450
80 ms 162.159.44.196
152 2026-08-23 15:58 639230974838373450
80 ms 172.64.35.196
151 2026-08-23 15:58 639230974838373450
80 ms 108.162.195.196
150 2026-08-23 15:42 639230965244277645
12 ms 108.162.195.196
149 2026-08-23 15:42 639230965244277645
12 ms 162.159.44.196
148 2026-08-23 15:42 639230965244277645
12 ms 172.64.35.196
147 2026-08-23 15:25 639230955522101820
65 ms 108.162.195.196
146 2026-08-23 15:25 639230955522101820
65 ms 162.159.44.196
145 2026-08-23 15:25 639230955522101820
65 ms 172.64.35.196
144 2026-08-23 15:09 639230945754521603
62 ms 162.159.44.196
143 2026-08-23 15:09 639230945754521603
62 ms 108.162.195.196
142 2026-08-23 15:09 639230945754521603
62 ms 172.64.35.196
141 2026-08-23 14:53 639230935852040504
18 ms 108.162.195.196
140 2026-08-23 14:53 639230935852040504
18 ms 162.159.44.196
139 2026-08-23 14:53 639230935852040504
18 ms 172.64.35.196
138 2026-08-23 14:37 639230926222061048
35 ms 108.162.195.196
137 2026-08-23 14:37 639230926222061048
35 ms 162.159.44.196
136 2026-08-23 14:37 639230926222061048
35 ms 172.64.35.196
135 2026-08-23 14:20 639230916449726907
8 ms 108.162.195.196
134 2026-08-23 14:20 639230916449726907
8 ms 162.159.44.196
133 2026-08-23 14:20 639230916449726907
8 ms 172.64.35.196
132 2026-08-23 14:04 639230906595053086
36 ms 108.162.195.196
131 2026-08-23 14:04 639230906595053086
36 ms 162.159.44.196
130 2026-08-23 14:04 639230906595053086
36 ms 172.64.35.196
129 2026-08-23 13:47 639230896680429441
50 ms 108.162.195.196
128 2026-08-23 13:47 639230896680429441
50 ms 162.159.44.196
127 2026-08-23 13:47 639230896680429441
50 ms 172.64.35.196
126 2026-08-23 13:31 639230886630210965
538 ms 108.162.195.196
125 2026-08-23 13:31 639230886630210965
538 ms 162.159.44.196
124 2026-08-23 13:31 639230886630210965
538 ms 172.64.35.196
123 2026-08-23 12:39 639230855430405719
14 ms 108.162.195.196
122 2026-08-23 12:39 639230855430405719
14 ms 172.64.35.196
121 2026-08-23 12:39 639230855430405719
14 ms 162.159.44.196
120 2026-08-23 12:22 639230845707499136
34 ms 108.162.195.196
119 2026-08-23 12:22 639230845707499136
34 ms 162.159.44.196
118 2026-08-23 12:22 639230845707499136
34 ms 172.64.35.196
117 2026-08-23 12:06 639230836186805419
25 ms 108.162.195.196
116 2026-08-23 12:06 639230836186805419
25 ms 162.159.44.196
115 2026-08-23 12:06 639230836186805419
25 ms 172.64.35.196
114 2026-08-23 11:50 639230826493828316
39 ms 108.162.195.196
113 2026-08-23 11:50 639230826493828316
39 ms 172.64.35.196
112 2026-08-23 11:50 639230826493828316
39 ms 162.159.44.196
111 2026-08-23 11:34 639230816817882996
9 ms 108.162.195.196
110 2026-08-23 11:34 639230816817882996
9 ms 162.159.44.196
109 2026-08-23 11:34 639230816817882996
9 ms 172.64.35.196
108 2026-08-23 11:18 639230806933854189
16 ms 108.162.195.196
107 2026-08-23 11:18 639230806933854189
16 ms 162.159.44.196
106 2026-08-23 11:18 639230806933854189
16 ms 172.64.35.196
105 2026-08-23 11:01 639230797120243854
38 ms 108.162.195.196
104 2026-08-23 11:01 639230797120243854
38 ms 162.159.44.196
103 2026-08-23 11:01 639230797120243854
38 ms 172.64.35.196
102 2026-08-23 10:45 639230787310272840
15 ms 108.162.195.196
101 2026-08-23 10:45 639230787310272840
15 ms 162.159.44.196
100 2026-08-23 10:45 639230787310272840
15 ms 172.64.35.196
99 2026-08-23 10:29 639230777600173142
42 ms 162.159.44.196
98 2026-08-23 10:29 639230777600173142
42 ms 172.64.35.196
97 2026-08-23 10:29 639230777600173142
42 ms 108.162.195.196
96 2026-08-23 10:12 639230767665024593
102 ms 108.162.195.196
95 2026-08-23 10:12 639230767665024593
102 ms 162.159.44.196
94 2026-08-23 10:12 639230767665024593
102 ms 172.64.35.196
93 2026-08-23 09:56 639230757720962293
22 ms 108.162.195.196
92 2026-08-23 09:56 639230757720962293
22 ms 162.159.44.196
91 2026-08-23 09:56 639230757720962293
22 ms 172.64.35.196
90 2026-08-23 09:39 639230747722189784
106 ms 108.162.195.196
89 2026-08-23 09:39 639230747722189784
106 ms 162.159.44.196
88 2026-08-23 09:39 639230747722189784
106 ms 172.64.35.196
87 2026-08-23 08:47 639230716313923480
94 ms 108.162.195.196
86 2026-08-23 08:47 639230716313923480
94 ms 162.159.44.196
85 2026-08-23 08:47 639230716313923480
94 ms 172.64.35.196
84 2026-08-23 08:31 639230706813835990
48 ms 108.162.195.196
83 2026-08-23 08:31 639230706813835990
48 ms 162.159.44.196
82 2026-08-23 08:31 639230706813835990
48 ms 172.64.35.196
81 2026-08-23 08:14 639230696871062203
26 ms 108.162.195.196
80 2026-08-23 08:14 639230696871062203
26 ms 162.159.44.196
79 2026-08-23 08:14 639230696871062203
26 ms 172.64.35.196
78 2026-08-23 07:58 639230687142781616
15 ms 108.162.195.196
77 2026-08-23 07:58 639230687142781616
15 ms 162.159.44.196
76 2026-08-23 07:58 639230687142781616
15 ms 172.64.35.196
75 2026-08-23 07:42 639230677432142227
55 ms 108.162.195.196
74 2026-08-23 07:42 639230677432142227
55 ms 162.159.44.196
73 2026-08-23 07:42 639230677432142227
55 ms 172.64.35.196
72 2026-08-23 07:26 639230667686258061
45 ms 108.162.195.196
71 2026-08-23 07:26 639230667686258061
45 ms 162.159.44.196
70 2026-08-23 07:26 639230667686258061
45 ms 172.64.35.196
69 2026-08-23 07:10 639230658039243685
59 ms 108.162.195.196
68 2026-08-23 07:10 639230658039243685
59 ms 162.159.44.196
67 2026-08-23 07:10 639230658039243685
59 ms 172.64.35.196
66 2026-08-23 06:54 639230648468473803
58 ms 108.162.195.196
65 2026-08-23 06:54 639230648468473803
58 ms 162.159.44.196
64 2026-08-23 06:54 639230648468473803
58 ms 172.64.35.196
63 2026-08-23 06:38 639230638829658294
233 ms 108.162.195.196
62 2026-08-23 06:38 639230638829658294
233 ms 162.159.44.196
61 2026-08-23 06:38 639230638829658294
233 ms 172.64.35.196
60 2026-08-23 06:22 639230629247017617
38 ms 108.162.195.196
59 2026-08-23 06:22 639230629247017617
38 ms 162.159.44.196
58 2026-08-23 06:22 639230629247017617
38 ms 172.64.35.196
57 2026-08-23 06:06 639230619625318239
9 ms 108.162.195.196
56 2026-08-23 06:06 639230619625318239
9 ms 162.159.44.196
55 2026-08-23 06:06 639230619625318239
9 ms 172.64.35.196
54 2026-08-23 05:49 639230609697630264
287 ms 108.162.195.196
53 2026-08-23 05:49 639230609697630264
287 ms 162.159.44.196
52 2026-08-23 05:49 639230609697630264
287 ms 172.64.35.196
51 2026-08-23 04:57 639230578570131864
49 ms 108.162.195.196
50 2026-08-23 04:57 639230578570131864
49 ms 162.159.44.196
49 2026-08-23 04:57 639230578570131864
49 ms 172.64.35.196
48 2026-08-23 04:41 639230568958963168
153 ms 108.162.195.196
47 2026-08-23 04:41 639230568958963168
153 ms 162.159.44.196
46 2026-08-23 04:41 639230568958963168
153 ms 172.64.35.196
45 2026-08-23 04:25 639230559287611211
43 ms 108.162.195.196
44 2026-08-23 04:25 639230559287611211
43 ms 162.159.44.196
43 2026-08-23 04:25 639230559287611211
43 ms 172.64.35.196
42 2026-08-23 04:09 639230549524312030
68 ms 108.162.195.196
41 2026-08-23 04:09 639230549524312030
68 ms 172.64.35.196
40 2026-08-23 04:09 639230549524312030
68 ms 162.159.44.196
39 2026-08-23 03:52 639230539739801669
185 ms 108.162.195.196
38 2026-08-23 03:52 639230539739801669
185 ms 162.159.44.196
37 2026-08-23 03:52 639230539739801669
185 ms 172.64.35.196
36 2026-08-23 03:36 639230530084069375
21 ms 108.162.195.196
35 2026-08-23 03:36 639230530084069375
21 ms 162.159.44.196
34 2026-08-23 03:36 639230530084069375
21 ms 172.64.35.196
33 2026-08-23 03:20 639230520362691441
58 ms 108.162.195.196
32 2026-08-23 03:20 639230520362691441
58 ms 162.159.44.196
31 2026-08-23 03:20 639230520362691441
58 ms 172.64.35.196
30 2026-08-23 03:04 639230510677194518
106 ms 108.162.195.196
29 2026-08-23 03:04 639230510677194518
106 ms 162.159.44.196
28 2026-08-23 03:04 639230510677194518
106 ms 172.64.35.196
27 2026-08-23 02:48 639230501156002646
74 ms 172.64.35.196
26 2026-08-23 02:48 639230501156002646
74 ms 108.162.195.196
25 2026-08-23 02:48 639230501156002646
74 ms 162.159.44.196
24 2026-08-23 02:32 639230491502198541
243 ms 108.162.195.196
23 2026-08-23 02:32 639230491502198541
243 ms 162.159.44.196
22 2026-08-23 02:32 639230491502198541
243 ms 172.64.35.196
21 2026-08-23 02:16 639230481860318494
166 ms 108.162.195.196
20 2026-08-23 02:16 639230481860318494
166 ms 162.159.44.196
19 2026-08-23 02:16 639230481860318494
166 ms 172.64.35.196
18 2026-08-23 01:59 639230471893008575
407 ms 108.162.195.196
17 2026-08-23 01:59 639230471893008575
407 ms 162.159.44.196
16 2026-08-23 01:59 639230471893008575
407 ms 172.64.35.196
15 2026-08-23 01:06 639230440030877421
43 ms 108.162.195.196
14 2026-08-23 01:06 639230440030877421
43 ms 162.159.44.196
13 2026-08-23 01:06 639230440030877421
43 ms 172.64.35.196
12 2026-08-23 00:50 639230430479725508
24 ms 108.162.195.196
11 2026-08-23 00:50 639230430479725508
24 ms 162.159.44.196
10 2026-08-23 00:50 639230430479725508
24 ms 172.64.35.196
9 2026-08-23 00:34 639230420875160219
30 ms 108.162.195.196
8 2026-08-23 00:34 639230420875160219
30 ms 162.159.44.196
7 2026-08-23 00:34 639230420875160219
30 ms 172.64.35.196
6 2026-08-23 00:18 639230411240692575
8 ms 108.162.195.196
5 2026-08-23 00:18 639230411240692575
8 ms 162.159.44.196
4 2026-08-23 00:18 639230411240692575
8 ms 172.64.35.196
3 2026-08-23 00:02 639230401550806607
19 ms 108.162.195.196
2 2026-08-23 00:02 639230401550806607
19 ms 162.159.44.196
1 2026-08-23 00:02 639230401550806607
19 ms 172.64.35.196