DNS response history for denver.ns.cloudfare.com

denver.ns.cloudfare.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 2026-08-21. For this date, NameServerHistory found 144 DNS check records, 144 successful responses, 0 failed responses, and 107 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.cloudfare.com.
Records on Selected Date

144

Historical checks stored for this nameserver on selected date

Average Latency

107 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-21 23:46

All timestamps shown in UTC

Latest Resolved IP on Selected Date

104.16.132.229

Most recently resolved hosting IP on selected date

Successful Responses

144

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.cloudfare.com

Showing DNS history for 2026-08-21 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
144 2026-08-21 23:46 639229527598660841
39 ms 104.16.132.229
143 2026-08-21 23:46 639229527598660841
39 ms 104.16.133.229
142 2026-08-21 23:30 639229517954323214
28 ms 104.16.132.229
141 2026-08-21 23:30 639229517954323214
28 ms 104.16.133.229
140 2026-08-21 23:14 639229508269999021
5 ms 104.16.132.229
139 2026-08-21 23:14 639229508269999021
5 ms 104.16.133.229
138 2026-08-21 22:58 639229498559060171
30 ms 104.16.132.229
137 2026-08-21 22:58 639229498559060171
30 ms 104.16.133.229
136 2026-08-21 22:41 639229488519347586
26 ms 104.16.132.229
135 2026-08-21 22:41 639229488519347586
26 ms 104.16.133.229
134 2026-08-21 21:48 639229456606578934
6 ms 104.16.132.229
133 2026-08-21 21:48 639229456606578934
6 ms 104.16.133.229
132 2026-08-21 21:32 639229446985772499
49 ms 104.16.132.229
131 2026-08-21 21:32 639229446985772499
49 ms 104.16.133.229
130 2026-08-21 21:16 639229437367313098
7 ms 104.16.132.229
129 2026-08-21 21:16 639229437367313098
7 ms 104.16.133.229
128 2026-08-21 21:00 639229427923950391
10 ms 104.16.132.229
127 2026-08-21 21:00 639229427923950391
10 ms 104.16.133.229
126 2026-08-21 20:44 639229418168588854
17 ms 104.16.132.229
125 2026-08-21 20:44 639229418168588854
17 ms 104.16.133.229
124 2026-08-21 20:27 639229408345678334
6 ms 104.16.132.229
123 2026-08-21 20:27 639229408345678334
6 ms 104.16.133.229
122 2026-08-21 20:11 639229398616354648
13 ms 104.16.132.229
121 2026-08-21 20:11 639229398616354648
13 ms 104.16.133.229
120 2026-08-21 19:54 639229388634592323
15 ms 104.16.133.229
119 2026-08-21 19:54 639229388634592323
15 ms 104.16.132.229
118 2026-08-21 19:38 639229378792837692
48 ms 104.16.133.229
117 2026-08-21 19:38 639229378792837692
48 ms 104.16.132.229
116 2026-08-21 19:22 639229369154682311
56 ms 104.16.132.229
115 2026-08-21 19:22 639229369154682311
56 ms 104.16.133.229
114 2026-08-21 19:05 639229359248017926
12 ms 104.16.132.229
113 2026-08-21 19:05 639229359248017926
12 ms 104.16.133.229
112 2026-08-21 18:49 639229349124294642
13 ms 104.16.132.229
111 2026-08-21 18:49 639229349124294642
13 ms 104.16.133.229
110 2026-08-21 17:56 639229317791715692
77 ms 104.16.132.229
109 2026-08-21 17:56 639229317791715692
77 ms 104.16.133.229
108 2026-08-21 17:40 639229308115194575
37 ms 104.16.132.229
107 2026-08-21 17:40 639229308115194575
37 ms 104.16.133.229
106 2026-08-21 17:24 639229298320320558
2013 ms 104.16.133.229
105 2026-08-21 17:24 639229298320320558
2013 ms 104.16.132.229
104 2026-08-21 17:08 639229288674863221
2018 ms 104.16.132.229
103 2026-08-21 17:08 639229288674863221
2018 ms 104.16.133.229
102 2026-08-21 16:52 639229278983677079
15 ms 104.16.132.229
101 2026-08-21 16:52 639229278983677079
15 ms 104.16.133.229
100 2026-08-21 16:36 639229269405517175
10 ms 104.16.132.229
99 2026-08-21 16:36 639229269405517175
10 ms 104.16.133.229
98 2026-08-21 16:19 639229259594798244
6 ms 104.16.132.229
97 2026-08-21 16:19 639229259594798244
6 ms 104.16.133.229
96 2026-08-21 16:03 639229249736681188
9 ms 104.16.132.229
95 2026-08-21 16:03 639229249736681188
9 ms 104.16.133.229
94 2026-08-21 15:46 639229239699417787
29 ms 104.16.132.229
93 2026-08-21 15:46 639229239699417787
29 ms 104.16.133.229
92 2026-08-21 15:29 639229229621964033
20 ms 104.16.132.229
91 2026-08-21 15:29 639229229621964033
20 ms 104.16.133.229
90 2026-08-21 15:13 639229219567270965
50 ms 104.16.133.229
89 2026-08-21 15:13 639229219567270965
50 ms 104.16.132.229
88 2026-08-21 14:56 639229209406666856
8 ms 104.16.132.229
87 2026-08-21 14:56 639229209406666856
8 ms 104.16.133.229
86 2026-08-21 14:03 639229177815876178
8 ms 104.16.132.229
85 2026-08-21 14:03 639229177815876178
8 ms 104.16.133.229
84 2026-08-21 13:47 639229168243572685
36 ms 104.16.133.229
83 2026-08-21 13:47 639229168243572685
36 ms 104.16.132.229
82 2026-08-21 13:31 639229158599856475
37 ms 104.16.132.229
81 2026-08-21 13:31 639229158599856475
37 ms 104.16.133.229
80 2026-08-21 13:15 639229148998940902
21 ms 104.16.132.229
79 2026-08-21 13:15 639229148998940902
21 ms 104.16.133.229
78 2026-08-21 12:59 639229139276923594
76 ms 104.16.132.229
77 2026-08-21 12:59 639229139276923594
76 ms 104.16.133.229
76 2026-08-21 12:43 639229129709912394
28 ms 104.16.132.229
75 2026-08-21 12:43 639229129709912394
28 ms 104.16.133.229
74 2026-08-21 12:26 639229119801488500
17 ms 104.16.132.229
73 2026-08-21 12:26 639229119801488500
17 ms 104.16.133.229
72 2026-08-21 12:10 639229110135262458
19 ms 104.16.132.229
71 2026-08-21 12:10 639229110135262458
19 ms 104.16.133.229
70 2026-08-21 11:54 639229100336051392
6 ms 104.16.132.229
69 2026-08-21 11:54 639229100336051392
6 ms 104.16.133.229
68 2026-08-21 11:38 639229090641415626
17 ms 104.16.132.229
67 2026-08-21 11:38 639229090641415626
17 ms 104.16.133.229
66 2026-08-21 11:21 639229080702683947
33 ms 104.16.132.229
65 2026-08-21 11:21 639229080702683947
33 ms 104.16.133.229
64 2026-08-21 11:04 639229070601456699
36 ms 104.16.132.229
63 2026-08-21 11:04 639229070601456699
36 ms 104.16.133.229
62 2026-08-21 10:12 639229038947447232
28 ms 104.16.132.229
61 2026-08-21 10:12 639229038947447232
28 ms 104.16.133.229
60 2026-08-21 09:55 639229029268708773
5 ms 104.16.132.229
59 2026-08-21 09:55 639229029268708773
5 ms 104.16.133.229
58 2026-08-21 09:39 639229019647910603
15 ms 104.16.132.229
57 2026-08-21 09:39 639229019647910603
15 ms 104.16.133.229
56 2026-08-21 09:23 639229009983843738
8 ms 104.16.132.229
55 2026-08-21 09:23 639229009983843738
8 ms 104.16.133.229
54 2026-08-21 09:07 639229000203331882
39 ms 104.16.132.229
53 2026-08-21 09:07 639229000203331882
39 ms 104.16.133.229
52 2026-08-21 08:50 639228990302335999
48 ms 104.16.132.229
51 2026-08-21 08:50 639228990302335999
48 ms 104.16.133.229
50 2026-08-21 08:34 639228980567740722
6 ms 104.16.132.229
49 2026-08-21 08:34 639228980567740722
6 ms 104.16.133.229
48 2026-08-21 08:18 639228970762445174
9 ms 104.16.132.229
47 2026-08-21 08:18 639228970762445174
9 ms 104.16.133.229
46 2026-08-21 08:02 639228961065054445
9 ms 104.16.132.229
45 2026-08-21 08:02 639228961065054445
9 ms 104.16.133.229
44 2026-08-21 07:45 639228951224649885
48 ms 104.16.132.229
43 2026-08-21 07:45 639228951224649885
48 ms 104.16.133.229
42 2026-08-21 07:29 639228941303864592
14 ms 104.16.132.229
41 2026-08-21 07:29 639228941303864592
14 ms 104.16.133.229
40 2026-08-21 07:12 639228931191328583
2029 ms 104.16.132.229
39 2026-08-21 07:12 639228931191328583
2029 ms 104.16.133.229
38 2026-08-21 06:19 639228899518173317
28 ms 104.16.132.229
37 2026-08-21 06:19 639228899518173317
28 ms 104.16.133.229
36 2026-08-21 06:03 639228889785027669
22 ms 104.16.132.229
35 2026-08-21 06:03 639228889785027669
22 ms 104.16.133.229
34 2026-08-21 05:47 639228880106330161
41 ms 104.16.133.229
33 2026-08-21 05:47 639228880106330161
41 ms 104.16.132.229
32 2026-08-21 05:30 639228870316184091
22 ms 104.16.132.229
31 2026-08-21 05:30 639228870316184091
22 ms 104.16.133.229
30 2026-08-21 05:15 639228860695366512
86 ms 104.16.133.229
29 2026-08-21 05:15 639228860695366512
86 ms 104.16.132.229
28 2026-08-21 04:58 639228851027209500
19 ms 104.16.132.229
27 2026-08-21 04:58 639228851027209500
19 ms 104.16.133.229
26 2026-08-21 04:42 639228841479265462
8 ms 104.16.132.229
25 2026-08-21 04:42 639228841479265462
8 ms 104.16.133.229
24 2026-08-21 04:26 639228831752962260
11 ms 104.16.132.229
23 2026-08-21 04:26 639228831752962260
11 ms 104.16.133.229
22 2026-08-21 04:10 639228821953295483
54 ms 104.16.132.229
21 2026-08-21 04:10 639228821953295483
54 ms 104.16.133.229
20 2026-08-21 03:54 639228812227429953
33 ms 104.16.132.229
19 2026-08-21 03:54 639228812227429953
33 ms 104.16.133.229
18 2026-08-21 03:37 639228802476107538
7 ms 104.16.132.229
17 2026-08-21 03:37 639228802476107538
7 ms 104.16.133.229
16 2026-08-21 03:21 639228792525492032
30 ms 104.16.133.229
15 2026-08-21 03:21 639228792525492032
30 ms 104.16.132.229
14 2026-08-21 02:29 639228761131421385
5 ms 104.16.132.229
13 2026-08-21 02:29 639228761131421385
5 ms 104.16.133.229
12 2026-08-21 02:13 639228751571206692
23 ms 104.16.132.229
11 2026-08-21 02:13 639228751571206692
23 ms 104.16.133.229
10 2026-08-21 01:56 639228741705571019
9 ms 104.16.132.229
9 2026-08-21 01:56 639228741705571019
9 ms 104.16.133.229
8 2026-08-21 01:39 639228731642208228
14 ms 104.16.133.229
7 2026-08-21 01:39 639228731642208228
14 ms 104.16.132.229
6 2026-08-21 00:47 639228700387002072
15 ms 104.16.132.229
5 2026-08-21 00:47 639228700387002072
15 ms 104.16.133.229
4 2026-08-21 00:31 639228690742014433
5 ms 104.16.132.229
3 2026-08-21 00:31 639228690742014433
5 ms 104.16.133.229
2 2026-08-21 00:15 639228680877937122
37 ms 104.16.132.229
1 2026-08-21 00:15 639228680877937122
37 ms 104.16.133.229