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 2026-08-18. For this date, NameServerHistory found 150 DNS check records, 150 successful responses, 0 failed responses, and 165 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

150

Historical checks stored for this nameserver on selected date

Average Latency

165 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-18 23:45

All timestamps shown in UTC

Latest Resolved IP on Selected Date

104.16.133.229

Most recently resolved hosting IP on selected date

Successful Responses

150

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 2026-08-18 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
150 2026-08-18 23:45 639226935204800669
23 ms 104.16.133.229
149 2026-08-18 23:45 639226935204800669
23 ms 104.16.132.229
148 2026-08-18 23:29 639226925298919497
12 ms 104.16.132.229
147 2026-08-18 23:29 639226925298919497
12 ms 104.16.133.229
146 2026-08-18 23:12 639226915487885053
5 ms 104.16.132.229
145 2026-08-18 23:12 639226915487885053
5 ms 104.16.133.229
144 2026-08-18 22:56 639226905465760034
24 ms 104.16.132.229
143 2026-08-18 22:56 639226905465760034
24 ms 104.16.133.229
142 2026-08-18 22:39 639226895378104692
6 ms 104.16.132.229
141 2026-08-18 22:39 639226895378104692
6 ms 104.16.133.229
140 2026-08-18 21:46 639226863374232622
33 ms 104.16.132.229
139 2026-08-18 21:46 639226863374232622
33 ms 104.16.133.229
138 2026-08-18 21:29 639226853698516058
6 ms 104.16.132.229
137 2026-08-18 21:29 639226853698516058
6 ms 104.16.133.229
136 2026-08-18 21:13 639226843797360601
7 ms 104.16.132.229
135 2026-08-18 21:13 639226843797360601
7 ms 104.16.133.229
134 2026-08-18 20:57 639226834046588155
76 ms 104.16.132.229
133 2026-08-18 20:57 639226834046588155
76 ms 104.16.133.229
132 2026-08-18 20:40 639226824234488533
8 ms 104.16.132.229
131 2026-08-18 20:40 639226824234488533
8 ms 104.16.133.229
130 2026-08-18 20:24 639226814549928621
43 ms 104.16.132.229
129 2026-08-18 20:24 639226814549928621
43 ms 104.16.133.229
128 2026-08-18 20:08 639226804721432353
19 ms 104.16.132.229
127 2026-08-18 20:08 639226804721432353
19 ms 104.16.133.229
126 2026-08-18 19:52 639226795048828184
19 ms 104.16.132.229
125 2026-08-18 19:52 639226795048828184
19 ms 104.16.133.229
124 2026-08-18 19:35 639226785202482420
30 ms 104.16.132.229
123 2026-08-18 19:35 639226785202482420
30 ms 104.16.133.229
122 2026-08-18 19:19 639226775309362607
7 ms 104.16.132.229
121 2026-08-18 19:19 639226775309362607
7 ms 104.16.133.229
120 2026-08-18 19:02 639226765406586155
17 ms 104.16.132.229
119 2026-08-18 19:02 639226765406586155
17 ms 104.16.133.229
118 2026-08-18 18:46 639226755437790519
513 ms 104.16.132.229
117 2026-08-18 18:46 639226755437790519
513 ms 104.16.133.229
116 2026-08-18 17:53 639226723856194457
12 ms 104.16.132.229
115 2026-08-18 17:53 639226723856194457
12 ms 104.16.133.229
114 2026-08-18 17:37 639226714050583422
69 ms 104.16.132.229
113 2026-08-18 17:37 639226714050583422
69 ms 104.16.133.229
112 2026-08-18 17:20 639226704236499724
40 ms 104.16.132.229
111 2026-08-18 17:20 639226704236499724
40 ms 104.16.133.229
110 2026-08-18 17:04 639226694184520163
40 ms 104.16.133.229
109 2026-08-18 17:04 639226694184520163
40 ms 104.16.132.229
108 2026-08-18 16:47 639226684161203477
27 ms 104.16.132.229
107 2026-08-18 16:47 639226684161203477
27 ms 104.16.133.229
106 2026-08-18 16:30 639226674305430109
8 ms 104.16.132.229
105 2026-08-18 16:30 639226674305430109
8 ms 104.16.133.229
104 2026-08-18 16:14 639226664489607984
6 ms 104.16.132.229
103 2026-08-18 16:14 639226664489607984
6 ms 104.16.133.229
102 2026-08-18 15:58 639226654533111667
6 ms 104.16.132.229
101 2026-08-18 15:58 639226654533111667
6 ms 104.16.133.229
100 2026-08-18 15:41 639226644778594725
20 ms 104.16.132.229
99 2026-08-18 15:41 639226644778594725
20 ms 104.16.133.229
98 2026-08-18 15:25 639226634901553621
10 ms 104.16.132.229
97 2026-08-18 15:25 639226634901553621
10 ms 104.16.133.229
96 2026-08-18 15:08 639226624921864967
16 ms 104.16.132.229
95 2026-08-18 15:08 639226624921864967
16 ms 104.16.133.229
94 2026-08-18 14:52 639226614939419403
34 ms 104.16.133.229
93 2026-08-18 14:52 639226614939419403
34 ms 104.16.132.229
92 2026-08-18 13:58 639226583021074771
8 ms 104.16.132.229
91 2026-08-18 13:58 639226583021074771
8 ms 104.16.133.229
90 2026-08-18 13:42 639226573279933585
8 ms 104.16.132.229
89 2026-08-18 13:42 639226573279933585
8 ms 104.16.133.229
88 2026-08-18 13:26 639226563494036301
9 ms 104.16.132.229
87 2026-08-18 13:26 639226563494036301
9 ms 104.16.133.229
86 2026-08-18 13:09 639226553708216256
94 ms 104.16.132.229
85 2026-08-18 13:09 639226553708216256
94 ms 104.16.133.229
84 2026-08-18 12:53 639226544003734815
7 ms 104.16.132.229
83 2026-08-18 12:53 639226544003734815
7 ms 104.16.133.229
82 2026-08-18 12:37 639226534105733155
18 ms 104.16.132.229
81 2026-08-18 12:37 639226534105733155
18 ms 104.16.133.229
80 2026-08-18 12:21 639226524298118898
33 ms 104.16.133.229
79 2026-08-18 12:21 639226524298118898
33 ms 104.16.132.229
78 2026-08-18 12:04 639226514525195335
10 ms 104.16.132.229
77 2026-08-18 12:04 639226514525195335
10 ms 104.16.133.229
76 2026-08-18 11:48 639226504703635320
8 ms 104.16.132.229
75 2026-08-18 11:48 639226504703635320
8 ms 104.16.133.229
74 2026-08-18 11:31 639226494737271720
10 ms 104.16.132.229
73 2026-08-18 11:31 639226494737271720
10 ms 104.16.133.229
72 2026-08-18 11:15 639226485005027236
53 ms 104.16.132.229
71 2026-08-18 11:15 639226485005027236
53 ms 104.16.133.229
70 2026-08-18 10:59 639226475133236105
23 ms 104.16.132.229
69 2026-08-18 10:59 639226475133236105
23 ms 104.16.133.229
68 2026-08-18 10:05 639226442975077052
55 ms 104.16.132.229
67 2026-08-18 10:05 639226442975077052
55 ms 104.16.133.229
66 2026-08-18 09:49 639226433317932039
2067 ms 104.16.132.229
65 2026-08-18 09:49 639226433317932039
2067 ms 104.16.133.229
64 2026-08-18 09:33 639226423688431096
7 ms 104.16.132.229
63 2026-08-18 09:33 639226423688431096
7 ms 104.16.133.229
62 2026-08-18 09:17 639226413998250045
9 ms 104.16.132.229
61 2026-08-18 09:17 639226413998250045
9 ms 104.16.133.229
60 2026-08-18 09:00 639226404284554875
9 ms 104.16.132.229
59 2026-08-18 09:00 639226404284554875
9 ms 104.16.133.229
58 2026-08-18 08:44 639226394637043309
6 ms 104.16.132.229
57 2026-08-18 08:44 639226394637043309
6 ms 104.16.133.229
56 2026-08-18 08:28 639226385052447582
6 ms 104.16.132.229
55 2026-08-18 08:28 639226385052447582
6 ms 104.16.133.229
54 2026-08-18 08:13 639226375506189603
2042 ms 104.16.133.229
53 2026-08-18 08:13 639226375506189603
2042 ms 104.16.132.229
52 2026-08-18 07:56 639226365690646426
9 ms 104.16.132.229
51 2026-08-18 07:56 639226365690646426
9 ms 104.16.133.229
50 2026-08-18 07:40 639226355771007701
12 ms 104.16.132.229
49 2026-08-18 07:40 639226355771007701
12 ms 104.16.133.229
48 2026-08-18 07:23 639226345946269369
16 ms 104.16.132.229
47 2026-08-18 07:23 639226345946269369
16 ms 104.16.133.229
46 2026-08-18 07:07 639226336241601848
2096 ms 104.16.133.229
45 2026-08-18 07:07 639226336241601848
2096 ms 104.16.132.229
44 2026-08-18 06:15 639226304950675290
5 ms 104.16.132.229
43 2026-08-18 06:15 639226304950675290
5 ms 104.16.133.229
42 2026-08-18 05:59 639226295324754616
12 ms 104.16.132.229
41 2026-08-18 05:59 639226295324754616
12 ms 104.16.133.229
40 2026-08-18 05:43 639226285824640601
2014 ms 104.16.132.229
39 2026-08-18 05:43 639226285824640601
2014 ms 104.16.133.229
38 2026-08-18 05:27 639226276321223917
10 ms 104.16.132.229
37 2026-08-18 05:27 639226276321223917
10 ms 104.16.133.229
36 2026-08-18 05:11 639226266800200046
5 ms 104.16.132.229
35 2026-08-18 05:11 639226266800200046
5 ms 104.16.133.229
34 2026-08-18 04:55 639226256958066164
83 ms 104.16.132.229
33 2026-08-18 04:55 639226256958066164
83 ms 104.16.133.229
32 2026-08-18 04:39 639226247432364597
54 ms 104.16.132.229
31 2026-08-18 04:39 639226247432364597
54 ms 104.16.133.229
30 2026-08-18 04:23 639226237703388552
14 ms 104.16.133.229
29 2026-08-18 04:23 639226237703388552
14 ms 104.16.132.229
28 2026-08-18 04:07 639226227937569589
23 ms 104.16.133.229
27 2026-08-18 04:07 639226227937569589
23 ms 104.16.132.229
26 2026-08-18 03:50 639226218052465471
80 ms 104.16.133.229
25 2026-08-18 03:50 639226218052465471
80 ms 104.16.132.229
24 2026-08-18 03:34 639226208429623997
6 ms 104.16.132.229
23 2026-08-18 03:34 639226208429623997
6 ms 104.16.133.229
22 2026-08-18 03:18 639226198800675295
46 ms 104.16.132.229
21 2026-08-18 03:18 639226198800675295
46 ms 104.16.133.229
20 2026-08-18 02:26 639226167722042574
16 ms 104.16.132.229
19 2026-08-18 02:26 639226167722042574
16 ms 104.16.133.229
18 2026-08-18 02:10 639226158277924383
10 ms 104.16.133.229
17 2026-08-18 02:10 639226158277924383
10 ms 104.16.132.229
16 2026-08-18 01:55 639226148757810592
31 ms 104.16.133.229
15 2026-08-18 01:55 639226148757810592
31 ms 104.16.132.229
14 2026-08-18 01:39 639226139348611045
20 ms 104.16.133.229
13 2026-08-18 01:39 639226139348611045
20 ms 104.16.132.229
12 2026-08-18 01:23 639226129823462907
17 ms 104.16.132.229
11 2026-08-18 01:23 639226129823462907
17 ms 104.16.133.229
10 2026-08-18 01:07 639226120218260005
2053 ms 104.16.133.229
9 2026-08-18 01:07 639226120218260005
2053 ms 104.16.132.229
8 2026-08-18 00:51 639226110875503904
22 ms 104.16.132.229
7 2026-08-18 00:51 639226110875503904
22 ms 104.16.133.229
6 2026-08-18 00:36 639226101376311912
10 ms 104.16.132.229
5 2026-08-18 00:36 639226101376311912
10 ms 104.16.133.229
4 2026-08-18 00:20 639226091924943492
46 ms 104.16.133.229
3 2026-08-18 00:20 639226091924943492
46 ms 104.16.132.229
2 2026-08-18 00:04 639226082133158124
38 ms 104.16.132.229
1 2026-08-18 00:04 639226082133158124
38 ms 104.16.133.229