DNS response history for isabel.ns.cloudflare.com

isabel.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 221 DNS check records, 219 successful responses, 2 failed responses, and 24 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 isabel.ns.cloudflare.com.
Records on Selected Date

221

Historical checks stored for this nameserver on selected date

Average Latency

24 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

108.162.194.104

Most recently resolved hosting IP on selected date

Successful Responses

219

Checks that returned a measurable response

Failed Responses

2

Checks with no response or no returned latency

Failure Rate

1%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for isabel.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
221 2026-08-23 23:44 639231254406598736
28 ms 108.162.194.104
220 2026-08-23 23:44 639231254406598736
28 ms 162.159.38.104
219 2026-08-23 23:44 639231254406598736
28 ms 172.64.34.104
218 2026-08-23 23:28 639231244697865594
5 ms 108.162.194.104
217 2026-08-23 23:28 639231244697865594
5 ms 162.159.38.104
216 2026-08-23 23:28 639231244697865594
5 ms 172.64.34.104
215 2026-08-23 23:12 639231234893504693
23 ms 108.162.194.104
214 2026-08-23 23:12 639231234893504693
23 ms 162.159.38.104
213 2026-08-23 23:12 639231234893504693
23 ms 172.64.34.104
212 2026-08-23 22:55 639231225024549139
19 ms 108.162.194.104
211 2026-08-23 22:55 639231225024549139
19 ms 162.159.38.104
210 2026-08-23 22:55 639231225024549139
19 ms 172.64.34.104
209 2026-08-23 22:39 639231214931957622
40 ms 108.162.194.104
208 2026-08-23 22:39 639231214931957622
40 ms 162.159.38.104
207 2026-08-23 22:39 639231214931957622
40 ms 172.64.34.104
206 2026-08-23 22:22 639231204962010549
36 ms 108.162.194.104
205 2026-08-23 22:22 639231204962010549
36 ms 162.159.38.104
204 2026-08-23 22:22 639231204962010549
36 ms 172.64.34.104
203 2026-08-23 22:06 639231195170138463
31 ms 108.162.194.104
202 2026-08-23 22:06 639231195170138463
31 ms 162.159.38.104
201 2026-08-23 22:06 639231195170138463
31 ms 172.64.34.104
200 2026-08-23 21:49 639231185235020577
9 ms 108.162.194.104
199 2026-08-23 21:49 639231185235020577
9 ms 162.159.38.104
198 2026-08-23 21:49 639231185235020577
9 ms 172.64.34.104
197 2026-08-23 21:33 639231175558690075
9 ms 108.162.194.104
196 2026-08-23 21:33 639231175558690075
9 ms 162.159.38.104
195 2026-08-23 21:33 639231175558690075
9 ms 172.64.34.104
194 2026-08-23 21:16 639231165610444012
16 ms 108.162.194.104
193 2026-08-23 21:16 639231165610444012
16 ms 162.159.38.104
192 2026-08-23 21:16 639231165610444012
16 ms 172.64.34.104
191 2026-08-23 20:23 639231133806425363
-
190 2026-08-23 20:07 639231124203758023
34 ms 108.162.194.104
189 2026-08-23 20:07 639231124203758023
34 ms 162.159.38.104
188 2026-08-23 20:07 639231124203758023
34 ms 172.64.34.104
187 2026-08-23 19:51 639231114428262706
26 ms 108.162.194.104
186 2026-08-23 19:51 639231114428262706
26 ms 162.159.38.104
185 2026-08-23 19:51 639231114428262706
26 ms 172.64.34.104
184 2026-08-23 19:35 639231104662480065
33 ms 108.162.194.104
183 2026-08-23 19:35 639231104662480065
33 ms 162.159.38.104
182 2026-08-23 19:35 639231104662480065
33 ms 172.64.34.104
181 2026-08-23 19:18 639231094840372018
4 ms 108.162.194.104
180 2026-08-23 19:18 639231094840372018
4 ms 162.159.38.104
179 2026-08-23 19:18 639231094840372018
4 ms 172.64.34.104
178 2026-08-23 19:02 639231085024583224
30 ms 108.162.194.104
177 2026-08-23 19:02 639231085024583224
30 ms 162.159.38.104
176 2026-08-23 19:02 639231085024583224
30 ms 172.64.34.104
175 2026-08-23 18:46 639231075257417427
30 ms 108.162.194.104
174 2026-08-23 18:46 639231075257417427
30 ms 162.159.38.104
173 2026-08-23 18:46 639231075257417427
30 ms 172.64.34.104
172 2026-08-23 18:30 639231065516009503
100 ms 108.162.194.104
171 2026-08-23 18:30 639231065516009503
100 ms 162.159.38.104
170 2026-08-23 18:30 639231065516009503
100 ms 172.64.34.104
169 2026-08-23 18:13 639231055805348837
13 ms 108.162.194.104
168 2026-08-23 18:13 639231055805348837
13 ms 162.159.38.104
167 2026-08-23 18:13 639231055805348837
13 ms 172.64.34.104
166 2026-08-23 17:57 639231045980373765
20 ms 108.162.194.104
165 2026-08-23 17:57 639231045980373765
20 ms 162.159.38.104
164 2026-08-23 17:57 639231045980373765
20 ms 172.64.34.104
163 2026-08-23 17:40 639231035984577527
23 ms 108.162.194.104
162 2026-08-23 17:40 639231035984577527
23 ms 162.159.38.104
161 2026-08-23 17:40 639231035984577527
23 ms 172.64.34.104
160 2026-08-23 17:23 639231025928115303
10 ms 108.162.194.104
159 2026-08-23 17:23 639231025928115303
10 ms 162.159.38.104
158 2026-08-23 17:23 639231025928115303
10 ms 172.64.34.104
157 2026-08-23 16:31 639230994250157583
21 ms 108.162.194.104
156 2026-08-23 16:31 639230994250157583
21 ms 162.159.38.104
155 2026-08-23 16:31 639230994250157583
21 ms 172.64.34.104
154 2026-08-23 16:14 639230984476411369
23 ms 108.162.194.104
153 2026-08-23 16:14 639230984476411369
23 ms 162.159.38.104
152 2026-08-23 16:14 639230984476411369
23 ms 172.64.34.104
151 2026-08-23 15:58 639230974838373450
29 ms 108.162.194.104
150 2026-08-23 15:58 639230974838373450
29 ms 162.159.38.104
149 2026-08-23 15:58 639230974838373450
29 ms 172.64.34.104
148 2026-08-23 15:42 639230965244277645
25 ms 108.162.194.104
147 2026-08-23 15:42 639230965244277645
25 ms 162.159.38.104
146 2026-08-23 15:42 639230965244277645
25 ms 172.64.34.104
145 2026-08-23 15:26 639230955522101820
20 ms 108.162.194.104
144 2026-08-23 15:26 639230955522101820
20 ms 162.159.38.104
143 2026-08-23 15:26 639230955522101820
20 ms 172.64.34.104
142 2026-08-23 15:10 639230945754521603
12 ms 108.162.194.104
141 2026-08-23 15:10 639230945754521603
12 ms 162.159.38.104
140 2026-08-23 15:10 639230945754521603
12 ms 172.64.34.104
139 2026-08-23 14:53 639230935852040504
13 ms 108.162.194.104
138 2026-08-23 14:53 639230935852040504
13 ms 162.159.38.104
137 2026-08-23 14:53 639230935852040504
13 ms 172.64.34.104
136 2026-08-23 14:37 639230926222061048
7 ms 108.162.194.104
135 2026-08-23 14:37 639230926222061048
7 ms 162.159.38.104
134 2026-08-23 14:37 639230926222061048
7 ms 172.64.34.104
133 2026-08-23 14:21 639230916449726907
24 ms 108.162.194.104
132 2026-08-23 14:21 639230916449726907
24 ms 162.159.38.104
131 2026-08-23 14:21 639230916449726907
24 ms 172.64.34.104
130 2026-08-23 14:05 639230906595053086
16 ms 108.162.194.104
129 2026-08-23 14:05 639230906595053086
16 ms 162.159.38.104
128 2026-08-23 14:05 639230906595053086
16 ms 172.64.34.104
127 2026-08-23 13:48 639230896680429441
-
126 2026-08-23 13:31 639230886630210965
20 ms 108.162.194.104
125 2026-08-23 13:31 639230886630210965
20 ms 162.159.38.104
124 2026-08-23 13:31 639230886630210965
20 ms 172.64.34.104
123 2026-08-23 12:39 639230855430405719
23 ms 108.162.194.104
122 2026-08-23 12:39 639230855430405719
23 ms 162.159.38.104
121 2026-08-23 12:39 639230855430405719
23 ms 172.64.34.104
120 2026-08-23 12:23 639230845707499136
9 ms 108.162.194.104
119 2026-08-23 12:23 639230845707499136
9 ms 162.159.38.104
118 2026-08-23 12:23 639230845707499136
9 ms 172.64.34.104
117 2026-08-23 12:07 639230836186805419
20 ms 108.162.194.104
116 2026-08-23 12:07 639230836186805419
20 ms 162.159.38.104
115 2026-08-23 12:07 639230836186805419
20 ms 172.64.34.104
114 2026-08-23 11:51 639230826493828316
31 ms 108.162.194.104
113 2026-08-23 11:51 639230826493828316
31 ms 162.159.38.104
112 2026-08-23 11:51 639230826493828316
31 ms 172.64.34.104
111 2026-08-23 11:35 639230816817882996
25 ms 108.162.194.104
110 2026-08-23 11:35 639230816817882996
25 ms 162.159.38.104
109 2026-08-23 11:35 639230816817882996
25 ms 172.64.34.104
108 2026-08-23 11:19 639230806933854189
31 ms 108.162.194.104
107 2026-08-23 11:19 639230806933854189
31 ms 162.159.38.104
106 2026-08-23 11:19 639230806933854189
31 ms 172.64.34.104
105 2026-08-23 11:02 639230797120243854
28 ms 108.162.194.104
104 2026-08-23 11:02 639230797120243854
28 ms 162.159.38.104
103 2026-08-23 11:02 639230797120243854
28 ms 172.64.34.104
102 2026-08-23 10:46 639230787310272840
8 ms 108.162.194.104
101 2026-08-23 10:46 639230787310272840
8 ms 162.159.38.104
100 2026-08-23 10:46 639230787310272840
8 ms 172.64.34.104
99 2026-08-23 10:30 639230777600173142
31 ms 108.162.194.104
98 2026-08-23 10:30 639230777600173142
31 ms 162.159.38.104
97 2026-08-23 10:30 639230777600173142
31 ms 172.64.34.104
96 2026-08-23 10:13 639230767665024593
11 ms 108.162.194.104
95 2026-08-23 10:13 639230767665024593
11 ms 162.159.38.104
94 2026-08-23 10:13 639230767665024593
11 ms 172.64.34.104
93 2026-08-23 09:56 639230757720962293
21 ms 108.162.194.104
92 2026-08-23 09:56 639230757720962293
21 ms 162.159.38.104
91 2026-08-23 09:56 639230757720962293
21 ms 172.64.34.104
90 2026-08-23 09:40 639230747722189784
8 ms 108.162.194.104
89 2026-08-23 09:40 639230747722189784
8 ms 162.159.38.104
88 2026-08-23 09:40 639230747722189784
8 ms 172.64.34.104
87 2026-08-23 08:48 639230716313923480
35 ms 108.162.194.104
86 2026-08-23 08:48 639230716313923480
35 ms 162.159.38.104
85 2026-08-23 08:48 639230716313923480
35 ms 172.64.34.104
84 2026-08-23 08:32 639230706813835990
18 ms 108.162.194.104
83 2026-08-23 08:32 639230706813835990
18 ms 162.159.38.104
82 2026-08-23 08:32 639230706813835990
18 ms 172.64.34.104
81 2026-08-23 08:15 639230696871062203
24 ms 108.162.194.104
80 2026-08-23 08:15 639230696871062203
24 ms 162.159.38.104
79 2026-08-23 08:15 639230696871062203
24 ms 172.64.34.104
78 2026-08-23 07:59 639230687142781616
14 ms 108.162.194.104
77 2026-08-23 07:59 639230687142781616
14 ms 162.159.38.104
76 2026-08-23 07:59 639230687142781616
14 ms 172.64.34.104
75 2026-08-23 07:43 639230677432142227
17 ms 108.162.194.104
74 2026-08-23 07:43 639230677432142227
17 ms 162.159.38.104
73 2026-08-23 07:43 639230677432142227
17 ms 172.64.34.104
72 2026-08-23 07:26 639230667686258061
24 ms 108.162.194.104
71 2026-08-23 07:26 639230667686258061
24 ms 162.159.38.104
70 2026-08-23 07:26 639230667686258061
24 ms 172.64.34.104
69 2026-08-23 07:10 639230658039243685
10 ms 108.162.194.104
68 2026-08-23 07:10 639230658039243685
10 ms 162.159.38.104
67 2026-08-23 07:10 639230658039243685
10 ms 172.64.34.104
66 2026-08-23 06:54 639230648468473803
18 ms 108.162.194.104
65 2026-08-23 06:54 639230648468473803
18 ms 162.159.38.104
64 2026-08-23 06:54 639230648468473803
18 ms 172.64.34.104
63 2026-08-23 06:38 639230638829658294
8 ms 108.162.194.104
62 2026-08-23 06:38 639230638829658294
8 ms 162.159.38.104
61 2026-08-23 06:38 639230638829658294
8 ms 172.64.34.104
60 2026-08-23 06:22 639230629247017617
29 ms 108.162.194.104
59 2026-08-23 06:22 639230629247017617
29 ms 162.159.38.104
58 2026-08-23 06:22 639230629247017617
29 ms 172.64.34.104
57 2026-08-23 06:06 639230619625318239
23 ms 108.162.194.104
56 2026-08-23 06:06 639230619625318239
23 ms 162.159.38.104
55 2026-08-23 06:06 639230619625318239
23 ms 172.64.34.104
54 2026-08-23 05:50 639230609697630264
94 ms 108.162.194.104
53 2026-08-23 05:50 639230609697630264
94 ms 162.159.38.104
52 2026-08-23 05:50 639230609697630264
94 ms 172.64.34.104
51 2026-08-23 04:58 639230578570131864
9 ms 108.162.194.104
50 2026-08-23 04:58 639230578570131864
9 ms 162.159.38.104
49 2026-08-23 04:58 639230578570131864
9 ms 172.64.34.104
48 2026-08-23 04:42 639230568958963168
9 ms 108.162.194.104
47 2026-08-23 04:42 639230568958963168
9 ms 162.159.38.104
46 2026-08-23 04:42 639230568958963168
9 ms 172.64.34.104
45 2026-08-23 04:26 639230559287611211
44 ms 108.162.194.104
44 2026-08-23 04:26 639230559287611211
44 ms 162.159.38.104
43 2026-08-23 04:26 639230559287611211
44 ms 172.64.34.104
42 2026-08-23 04:10 639230549524312030
25 ms 108.162.194.104
41 2026-08-23 04:10 639230549524312030
25 ms 162.159.38.104
40 2026-08-23 04:10 639230549524312030
25 ms 172.64.34.104
39 2026-08-23 03:53 639230539739801669
16 ms 108.162.194.104
38 2026-08-23 03:53 639230539739801669
16 ms 162.159.38.104
37 2026-08-23 03:53 639230539739801669
16 ms 172.64.34.104
36 2026-08-23 03:37 639230530084069375
77 ms 108.162.194.104
35 2026-08-23 03:37 639230530084069375
77 ms 162.159.38.104
34 2026-08-23 03:37 639230530084069375
77 ms 172.64.34.104
33 2026-08-23 03:21 639230520362691441
9 ms 108.162.194.104
32 2026-08-23 03:21 639230520362691441
9 ms 162.159.38.104
31 2026-08-23 03:21 639230520362691441
9 ms 172.64.34.104
30 2026-08-23 03:05 639230510677194518
44 ms 108.162.194.104
29 2026-08-23 03:05 639230510677194518
44 ms 162.159.38.104
28 2026-08-23 03:05 639230510677194518
44 ms 172.64.34.104
27 2026-08-23 02:49 639230501156002646
44 ms 108.162.194.104
26 2026-08-23 02:49 639230501156002646
44 ms 162.159.38.104
25 2026-08-23 02:49 639230501156002646
44 ms 172.64.34.104
24 2026-08-23 02:33 639230491502198541
27 ms 108.162.194.104
23 2026-08-23 02:33 639230491502198541
27 ms 162.159.38.104
22 2026-08-23 02:33 639230491502198541
27 ms 172.64.34.104
21 2026-08-23 02:17 639230481860318494
26 ms 108.162.194.104
20 2026-08-23 02:17 639230481860318494
26 ms 162.159.38.104
19 2026-08-23 02:17 639230481860318494
26 ms 172.64.34.104
18 2026-08-23 02:00 639230471893008575
6 ms 108.162.194.104
17 2026-08-23 02:00 639230471893008575
6 ms 162.159.38.104
16 2026-08-23 02:00 639230471893008575
6 ms 172.64.34.104
15 2026-08-23 01:07 639230440030877421
20 ms 108.162.194.104
14 2026-08-23 01:07 639230440030877421
20 ms 162.159.38.104
13 2026-08-23 01:07 639230440030877421
20 ms 172.64.34.104
12 2026-08-23 00:51 639230430479725508
24 ms 108.162.194.104
11 2026-08-23 00:51 639230430479725508
24 ms 162.159.38.104
10 2026-08-23 00:51 639230430479725508
24 ms 172.64.34.104
9 2026-08-23 00:35 639230420875160219
28 ms 108.162.194.104
8 2026-08-23 00:35 639230420875160219
28 ms 162.159.38.104
7 2026-08-23 00:35 639230420875160219
28 ms 172.64.34.104
6 2026-08-23 00:19 639230411240692575
34 ms 108.162.194.104
5 2026-08-23 00:19 639230411240692575
34 ms 162.159.38.104
4 2026-08-23 00:19 639230411240692575
34 ms 172.64.34.104
3 2026-08-23 00:03 639230401550806607
28 ms 108.162.194.104
2 2026-08-23 00:03 639230401550806607
28 ms 162.159.38.104
1 2026-08-23 00:03 639230401550806607
28 ms 172.64.34.104