DNS response history for burt.ns.cloudflare.com

burt.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 223 DNS check records, 222 successful responses, 1 failed responses, and 728 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 burt.ns.cloudflare.com.
Records on Selected Date

223

Historical checks stored for this nameserver on selected date

Average Latency

728 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-23 23:44

All timestamps shown in UTC

Latest Resolved IP on Selected Date

173.245.59.79

Most recently resolved hosting IP on selected date

Successful Responses

222

Checks that returned a measurable response

Failed Responses

1

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 burt.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
223 2026-08-23 23:44 639231254406598736
2058 ms 173.245.59.79
222 2026-08-23 23:44 639231254406598736
2058 ms 108.162.193.79
221 2026-08-23 23:44 639231254406598736
2058 ms 172.64.33.79
220 2026-08-23 23:27 639231244697865594
4 ms 108.162.193.79
219 2026-08-23 23:27 639231244697865594
4 ms 172.64.33.79
218 2026-08-23 23:27 639231244697865594
4 ms 173.245.59.79
217 2026-08-23 23:11 639231234893504693
2 ms 108.162.193.79
216 2026-08-23 23:11 639231234893504693
2 ms 172.64.33.79
215 2026-08-23 23:11 639231234893504693
2 ms 173.245.59.79
214 2026-08-23 22:55 639231225024549139
2056 ms 173.245.59.79
213 2026-08-23 22:55 639231225024549139
2056 ms 108.162.193.79
212 2026-08-23 22:55 639231225024549139
2056 ms 172.64.33.79
211 2026-08-23 22:38 639231214931957622
21 ms 108.162.193.79
210 2026-08-23 22:38 639231214931957622
21 ms 172.64.33.79
209 2026-08-23 22:38 639231214931957622
21 ms 173.245.59.79
208 2026-08-23 22:21 639231204962010549
146 ms 108.162.193.79
207 2026-08-23 22:21 639231204962010549
146 ms 172.64.33.79
206 2026-08-23 22:21 639231204962010549
146 ms 173.245.59.79
205 2026-08-23 22:05 639231195170138463
4 ms 108.162.193.79
204 2026-08-23 22:05 639231195170138463
4 ms 172.64.33.79
203 2026-08-23 22:05 639231195170138463
4 ms 173.245.59.79
202 2026-08-23 21:48 639231185235020577
4019 ms 108.162.193.79
201 2026-08-23 21:48 639231185235020577
4019 ms 172.64.33.79
200 2026-08-23 21:48 639231185235020577
4019 ms 173.245.59.79
199 2026-08-23 21:32 639231175558690075
2012 ms 173.245.59.79
198 2026-08-23 21:32 639231175558690075
2012 ms 172.64.33.79
197 2026-08-23 21:32 639231175558690075
2012 ms 108.162.193.79
196 2026-08-23 21:16 639231165610444012
4057 ms 172.64.33.79
195 2026-08-23 21:16 639231165610444012
4057 ms 173.245.59.79
194 2026-08-23 21:16 639231165610444012
4057 ms 108.162.193.79
193 2026-08-23 20:23 639231133806425363
4 ms 108.162.193.79
192 2026-08-23 20:23 639231133806425363
4 ms 172.64.33.79
191 2026-08-23 20:23 639231133806425363
4 ms 173.245.59.79
190 2026-08-23 20:07 639231124203758023
2015 ms 172.64.33.79
189 2026-08-23 20:07 639231124203758023
2015 ms 108.162.193.79
188 2026-08-23 20:07 639231124203758023
2015 ms 173.245.59.79
187 2026-08-23 19:50 639231114428262706
51 ms 108.162.193.79
186 2026-08-23 19:50 639231114428262706
51 ms 172.64.33.79
185 2026-08-23 19:50 639231114428262706
51 ms 173.245.59.79
184 2026-08-23 19:34 639231104662480065
8 ms 108.162.193.79
183 2026-08-23 19:34 639231104662480065
8 ms 172.64.33.79
182 2026-08-23 19:34 639231104662480065
8 ms 173.245.59.79
181 2026-08-23 19:18 639231094840372018
4 ms 108.162.193.79
180 2026-08-23 19:18 639231094840372018
4 ms 172.64.33.79
179 2026-08-23 19:18 639231094840372018
4 ms 173.245.59.79
178 2026-08-23 19:01 639231085024583224
4 ms 108.162.193.79
177 2026-08-23 19:01 639231085024583224
4 ms 172.64.33.79
176 2026-08-23 19:01 639231085024583224
4 ms 173.245.59.79
175 2026-08-23 18:45 639231075257417427
4 ms 108.162.193.79
174 2026-08-23 18:45 639231075257417427
4 ms 172.64.33.79
173 2026-08-23 18:45 639231075257417427
4 ms 173.245.59.79
172 2026-08-23 18:29 639231065516009503
4 ms 108.162.193.79
171 2026-08-23 18:29 639231065516009503
4 ms 172.64.33.79
170 2026-08-23 18:29 639231065516009503
4 ms 173.245.59.79
169 2026-08-23 18:13 639231055805348837
2020 ms 172.64.33.79
168 2026-08-23 18:13 639231055805348837
2020 ms 108.162.193.79
167 2026-08-23 18:13 639231055805348837
2020 ms 173.245.59.79
166 2026-08-23 17:56 639231045980373765
2034 ms 173.245.59.79
165 2026-08-23 17:56 639231045980373765
2034 ms 172.64.33.79
164 2026-08-23 17:56 639231045980373765
2034 ms 108.162.193.79
163 2026-08-23 17:40 639231035984577527
16 ms 108.162.193.79
162 2026-08-23 17:40 639231035984577527
16 ms 172.64.33.79
161 2026-08-23 17:40 639231035984577527
16 ms 173.245.59.79
160 2026-08-23 17:23 639231025928115303
101 ms 108.162.193.79
159 2026-08-23 17:23 639231025928115303
101 ms 172.64.33.79
158 2026-08-23 17:23 639231025928115303
101 ms 173.245.59.79
157 2026-08-23 16:30 639230994250157583
37 ms 108.162.193.79
156 2026-08-23 16:30 639230994250157583
37 ms 172.64.33.79
155 2026-08-23 16:30 639230994250157583
37 ms 173.245.59.79
154 2026-08-23 16:14 639230984476411369
6 ms 108.162.193.79
153 2026-08-23 16:14 639230984476411369
6 ms 172.64.33.79
152 2026-08-23 16:14 639230984476411369
6 ms 173.245.59.79
151 2026-08-23 15:58 639230974838373450
15 ms 108.162.193.79
150 2026-08-23 15:58 639230974838373450
15 ms 172.64.33.79
149 2026-08-23 15:58 639230974838373450
15 ms 173.245.59.79
148 2026-08-23 15:42 639230965244277645
7 ms 108.162.193.79
147 2026-08-23 15:42 639230965244277645
7 ms 172.64.33.79
146 2026-08-23 15:42 639230965244277645
7 ms 173.245.59.79
145 2026-08-23 15:25 639230955522101820
5 ms 108.162.193.79
144 2026-08-23 15:25 639230955522101820
5 ms 172.64.33.79
143 2026-08-23 15:25 639230955522101820
5 ms 173.245.59.79
142 2026-08-23 15:09 639230945754521603
23 ms 108.162.193.79
141 2026-08-23 15:09 639230945754521603
23 ms 172.64.33.79
140 2026-08-23 15:09 639230945754521603
23 ms 173.245.59.79
139 2026-08-23 14:53 639230935852040504
4 ms 108.162.193.79
138 2026-08-23 14:53 639230935852040504
4 ms 172.64.33.79
137 2026-08-23 14:53 639230935852040504
4 ms 173.245.59.79
136 2026-08-23 14:37 639230926222061048
2022 ms 173.245.59.79
135 2026-08-23 14:37 639230926222061048
2022 ms 108.162.193.79
134 2026-08-23 14:37 639230926222061048
2022 ms 172.64.33.79
133 2026-08-23 14:20 639230916449726907
7 ms 108.162.193.79
132 2026-08-23 14:20 639230916449726907
7 ms 172.64.33.79
131 2026-08-23 14:20 639230916449726907
7 ms 173.245.59.79
130 2026-08-23 14:04 639230906595053086
21 ms 108.162.193.79
129 2026-08-23 14:04 639230906595053086
21 ms 172.64.33.79
128 2026-08-23 14:04 639230906595053086
21 ms 173.245.59.79
127 2026-08-23 13:47 639230896680429441
75 ms 172.64.33.79
126 2026-08-23 13:47 639230896680429441
75 ms 173.245.59.79
125 2026-08-23 13:47 639230896680429441
75 ms 108.162.193.79
124 2026-08-23 13:31 639230886630210965
129 ms 172.64.33.79
123 2026-08-23 13:31 639230886630210965
129 ms 173.245.59.79
122 2026-08-23 13:31 639230886630210965
129 ms 108.162.193.79
121 2026-08-23 12:39 639230855430405719
4012 ms 108.162.193.79
120 2026-08-23 12:39 639230855430405719
4012 ms 172.64.33.79
119 2026-08-23 12:39 639230855430405719
4012 ms 173.245.59.79
118 2026-08-23 12:22 639230845707499136
3 ms 108.162.193.79
117 2026-08-23 12:22 639230845707499136
3 ms 172.64.33.79
116 2026-08-23 12:22 639230845707499136
3 ms 173.245.59.79
115 2026-08-23 12:07 639230836186805419
2020 ms 173.245.59.79
114 2026-08-23 12:07 639230836186805419
2020 ms 108.162.193.79
113 2026-08-23 12:07 639230836186805419
2020 ms 172.64.33.79
112 2026-08-23 11:50 639230826493828316
2023 ms 173.245.59.79
111 2026-08-23 11:50 639230826493828316
2023 ms 172.64.33.79
110 2026-08-23 11:50 639230826493828316
2023 ms 108.162.193.79
109 2026-08-23 11:34 639230816817882996
4 ms 108.162.193.79
108 2026-08-23 11:34 639230816817882996
4 ms 172.64.33.79
107 2026-08-23 11:34 639230816817882996
4 ms 173.245.59.79
106 2026-08-23 11:18 639230806933854189
54 ms 108.162.193.79
105 2026-08-23 11:18 639230806933854189
54 ms 172.64.33.79
104 2026-08-23 11:18 639230806933854189
54 ms 173.245.59.79
103 2026-08-23 11:01 639230797120243854
-
102 2026-08-23 10:45 639230787310272840
4 ms 108.162.193.79
101 2026-08-23 10:45 639230787310272840
4 ms 172.64.33.79
100 2026-08-23 10:45 639230787310272840
4 ms 173.245.59.79
99 2026-08-23 10:29 639230777600173142
5 ms 108.162.193.79
98 2026-08-23 10:29 639230777600173142
5 ms 172.64.33.79
97 2026-08-23 10:29 639230777600173142
5 ms 173.245.59.79
96 2026-08-23 10:12 639230767665024593
2011 ms 108.162.193.79
95 2026-08-23 10:12 639230767665024593
2011 ms 172.64.33.79
94 2026-08-23 10:12 639230767665024593
2011 ms 173.245.59.79
93 2026-08-23 09:56 639230757720962293
43 ms 108.162.193.79
92 2026-08-23 09:56 639230757720962293
43 ms 172.64.33.79
91 2026-08-23 09:56 639230757720962293
43 ms 173.245.59.79
90 2026-08-23 09:39 639230747722189784
4 ms 108.162.193.79
89 2026-08-23 09:39 639230747722189784
4 ms 172.64.33.79
88 2026-08-23 09:39 639230747722189784
4 ms 173.245.59.79
87 2026-08-23 08:47 639230716313923480
2055 ms 172.64.33.79
86 2026-08-23 08:47 639230716313923480
2055 ms 173.245.59.79
85 2026-08-23 08:47 639230716313923480
2055 ms 108.162.193.79
84 2026-08-23 08:31 639230706813835990
6 ms 108.162.193.79
83 2026-08-23 08:31 639230706813835990
6 ms 172.64.33.79
82 2026-08-23 08:31 639230706813835990
6 ms 173.245.59.79
81 2026-08-23 08:14 639230696871062203
2015 ms 173.245.59.79
80 2026-08-23 08:14 639230696871062203
2015 ms 172.64.33.79
79 2026-08-23 08:14 639230696871062203
2015 ms 108.162.193.79
78 2026-08-23 07:58 639230687142781616
4 ms 108.162.193.79
77 2026-08-23 07:58 639230687142781616
4 ms 172.64.33.79
76 2026-08-23 07:58 639230687142781616
4 ms 173.245.59.79
75 2026-08-23 07:42 639230677432142227
60 ms 108.162.193.79
74 2026-08-23 07:42 639230677432142227
60 ms 172.64.33.79
73 2026-08-23 07:42 639230677432142227
60 ms 173.245.59.79
72 2026-08-23 07:26 639230667686258061
5 ms 108.162.193.79
71 2026-08-23 07:26 639230667686258061
5 ms 172.64.33.79
70 2026-08-23 07:26 639230667686258061
5 ms 173.245.59.79
69 2026-08-23 07:10 639230658039243685
2018 ms 173.245.59.79
68 2026-08-23 07:10 639230658039243685
2018 ms 108.162.193.79
67 2026-08-23 07:10 639230658039243685
2018 ms 172.64.33.79
66 2026-08-23 06:54 639230648468473803
2019 ms 173.245.59.79
65 2026-08-23 06:54 639230648468473803
2019 ms 172.64.33.79
64 2026-08-23 06:54 639230648468473803
2019 ms 108.162.193.79
63 2026-08-23 06:38 639230638829658294
45 ms 108.162.193.79
62 2026-08-23 06:38 639230638829658294
45 ms 172.64.33.79
61 2026-08-23 06:38 639230638829658294
45 ms 173.245.59.79
60 2026-08-23 06:22 639230629247017617
2012 ms 173.245.59.79
59 2026-08-23 06:22 639230629247017617
2012 ms 172.64.33.79
58 2026-08-23 06:22 639230629247017617
2012 ms 108.162.193.79
57 2026-08-23 06:06 639230619625318239
82 ms 108.162.193.79
56 2026-08-23 06:06 639230619625318239
82 ms 172.64.33.79
55 2026-08-23 06:06 639230619625318239
82 ms 173.245.59.79
54 2026-08-23 05:49 639230609697630264
61 ms 108.162.193.79
53 2026-08-23 05:49 639230609697630264
61 ms 172.64.33.79
52 2026-08-23 05:49 639230609697630264
61 ms 173.245.59.79
51 2026-08-23 04:57 639230578570131864
2041 ms 172.64.33.79
50 2026-08-23 04:57 639230578570131864
2041 ms 173.245.59.79
49 2026-08-23 04:57 639230578570131864
2041 ms 108.162.193.79
48 2026-08-23 04:41 639230568958963168
2023 ms 172.64.33.79
47 2026-08-23 04:41 639230568958963168
2023 ms 173.245.59.79
46 2026-08-23 04:41 639230568958963168
2023 ms 108.162.193.79
45 2026-08-23 04:25 639230559287611211
10 ms 108.162.193.79
44 2026-08-23 04:25 639230559287611211
10 ms 172.64.33.79
43 2026-08-23 04:25 639230559287611211
10 ms 173.245.59.79
42 2026-08-23 04:09 639230549524312030
4 ms 108.162.193.79
41 2026-08-23 04:09 639230549524312030
4 ms 172.64.33.79
40 2026-08-23 04:09 639230549524312030
4 ms 173.245.59.79
39 2026-08-23 03:52 639230539739801669
4 ms 108.162.193.79
38 2026-08-23 03:52 639230539739801669
4 ms 172.64.33.79
37 2026-08-23 03:52 639230539739801669
4 ms 173.245.59.79
36 2026-08-23 03:36 639230530084069375
73 ms 108.162.193.79
35 2026-08-23 03:36 639230530084069375
73 ms 172.64.33.79
34 2026-08-23 03:36 639230530084069375
73 ms 173.245.59.79
33 2026-08-23 03:20 639230520362691441
2 ms 108.162.193.79
32 2026-08-23 03:20 639230520362691441
2 ms 172.64.33.79
31 2026-08-23 03:20 639230520362691441
2 ms 173.245.59.79
30 2026-08-23 03:04 639230510677194518
10 ms 108.162.193.79
29 2026-08-23 03:04 639230510677194518
10 ms 172.64.33.79
28 2026-08-23 03:04 639230510677194518
10 ms 173.245.59.79
27 2026-08-23 02:48 639230501156002646
4 ms 108.162.193.79
26 2026-08-23 02:48 639230501156002646
4 ms 172.64.33.79
25 2026-08-23 02:48 639230501156002646
4 ms 173.245.59.79
24 2026-08-23 02:32 639230491502198541
2014 ms 108.162.193.79
23 2026-08-23 02:32 639230491502198541
2014 ms 172.64.33.79
22 2026-08-23 02:32 639230491502198541
2014 ms 173.245.59.79
21 2026-08-23 02:16 639230481860318494
3 ms 108.162.193.79
20 2026-08-23 02:16 639230481860318494
3 ms 172.64.33.79
19 2026-08-23 02:16 639230481860318494
3 ms 173.245.59.79
18 2026-08-23 01:59 639230471893008575
12 ms 108.162.193.79
17 2026-08-23 01:59 639230471893008575
12 ms 172.64.33.79
16 2026-08-23 01:59 639230471893008575
12 ms 173.245.59.79
15 2026-08-23 01:06 639230440030877421
4 ms 108.162.193.79
14 2026-08-23 01:06 639230440030877421
4 ms 172.64.33.79
13 2026-08-23 01:06 639230440030877421
4 ms 173.245.59.79
12 2026-08-23 00:50 639230430479725508
2055 ms 173.245.59.79
11 2026-08-23 00:50 639230430479725508
2055 ms 108.162.193.79
10 2026-08-23 00:50 639230430479725508
2055 ms 172.64.33.79
9 2026-08-23 00:34 639230420875160219
3 ms 108.162.193.79
8 2026-08-23 00:34 639230420875160219
3 ms 172.64.33.79
7 2026-08-23 00:34 639230420875160219
3 ms 173.245.59.79
6 2026-08-23 00:18 639230411240692575
2049 ms 108.162.193.79
5 2026-08-23 00:18 639230411240692575
2049 ms 172.64.33.79
4 2026-08-23 00:18 639230411240692575
2049 ms 173.245.59.79
3 2026-08-23 00:02 639230401550806607
4 ms 108.162.193.79
2 2026-08-23 00:02 639230401550806607
4 ms 172.64.33.79
1 2026-08-23 00:02 639230401550806607
4 ms 173.245.59.79