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 2026-08-26. For this date, NameServerHistory found 204 DNS check records, 201 successful responses, 3 failed responses, and 26 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

204

Historical checks stored for this nameserver on selected date

Average Latency

26 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 23:45

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

201

Checks that returned a measurable response

Failed Responses

3

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 2026-08-26 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
204 2026-08-26 23:45 639233846871926285
38 ms 108.162.194.104
203 2026-08-26 23:45 639233846871926285
38 ms 162.159.38.104
202 2026-08-26 23:45 639233846871926285
38 ms 172.64.34.104
201 2026-08-26 22:51 639233814527872887
11 ms 108.162.194.104
200 2026-08-26 22:51 639233814527872887
11 ms 162.159.38.104
199 2026-08-26 22:51 639233814527872887
11 ms 172.64.34.104
198 2026-08-26 22:34 639233804315489381
34 ms 108.162.194.104
197 2026-08-26 22:34 639233804315489381
34 ms 162.159.38.104
196 2026-08-26 22:34 639233804315489381
34 ms 172.64.34.104
195 2026-08-26 22:17 639233793971346256
18 ms 108.162.194.104
194 2026-08-26 22:17 639233793971346256
18 ms 162.159.38.104
193 2026-08-26 22:17 639233793971346256
18 ms 172.64.34.104
192 2026-08-26 22:00 639233783644630463
27 ms 108.162.194.104
191 2026-08-26 22:00 639233783644630463
27 ms 162.159.38.104
190 2026-08-26 22:00 639233783644630463
27 ms 172.64.34.104
189 2026-08-26 21:42 639233773302621314
28 ms 108.162.194.104
188 2026-08-26 21:42 639233773302621314
28 ms 162.159.38.104
187 2026-08-26 21:42 639233773302621314
28 ms 172.64.34.104
186 2026-08-26 21:25 639233762896723748
75 ms 108.162.194.104
185 2026-08-26 21:25 639233762896723748
75 ms 162.159.38.104
184 2026-08-26 21:25 639233762896723748
75 ms 172.64.34.104
183 2026-08-26 21:08 639233752543876329
18 ms 108.162.194.104
182 2026-08-26 21:08 639233752543876329
18 ms 162.159.38.104
181 2026-08-26 21:08 639233752543876329
18 ms 172.64.34.104
180 2026-08-26 20:51 639233742155931788
8 ms 108.162.194.104
179 2026-08-26 20:51 639233742155931788
8 ms 162.159.38.104
178 2026-08-26 20:51 639233742155931788
8 ms 172.64.34.104
177 2026-08-26 20:33 639233731712555311
4 ms 108.162.194.104
176 2026-08-26 20:33 639233731712555311
4 ms 162.159.38.104
175 2026-08-26 20:33 639233731712555311
4 ms 172.64.34.104
174 2026-08-26 20:16 639233721164051126
-
173 2026-08-26 19:58 639233710560486320
28 ms 108.162.194.104
172 2026-08-26 19:58 639233710560486320
28 ms 162.159.38.104
171 2026-08-26 19:58 639233710560486320
28 ms 172.64.34.104
170 2026-08-26 19:40 639233699834667450
76 ms 108.162.194.104
169 2026-08-26 19:40 639233699834667450
76 ms 162.159.38.104
168 2026-08-26 19:40 639233699834667450
76 ms 172.64.34.104
167 2026-08-26 18:46 639233667209186136
36 ms 108.162.194.104
166 2026-08-26 18:46 639233667209186136
36 ms 162.159.38.104
165 2026-08-26 18:46 639233667209186136
36 ms 172.64.34.104
164 2026-08-26 18:28 639233656814316266
13 ms 108.162.194.104
163 2026-08-26 18:28 639233656814316266
13 ms 162.159.38.104
162 2026-08-26 18:28 639233656814316266
13 ms 172.64.34.104
161 2026-08-26 18:11 639233646245051806
5 ms 108.162.194.104
160 2026-08-26 18:11 639233646245051806
5 ms 162.159.38.104
159 2026-08-26 18:11 639233646245051806
5 ms 172.64.34.104
158 2026-08-26 17:53 639233635663779051
20 ms 108.162.194.104
157 2026-08-26 17:53 639233635663779051
20 ms 162.159.38.104
156 2026-08-26 17:53 639233635663779051
20 ms 172.64.34.104
155 2026-08-26 17:35 639233624977342122
27 ms 108.162.194.104
154 2026-08-26 17:35 639233624977342122
27 ms 162.159.38.104
153 2026-08-26 17:35 639233624977342122
27 ms 172.64.34.104
152 2026-08-26 17:18 639233614446136153
-
151 2026-08-26 17:00 639233603737877581
24 ms 108.162.194.104
150 2026-08-26 17:00 639233603737877581
24 ms 162.159.38.104
149 2026-08-26 17:00 639233603737877581
24 ms 172.64.34.104
148 2026-08-26 16:42 639233593269224651
67 ms 108.162.194.104
147 2026-08-26 16:42 639233593269224651
67 ms 162.159.38.104
146 2026-08-26 16:42 639233593269224651
67 ms 172.64.34.104
145 2026-08-26 16:25 639233582635086903
29 ms 108.162.194.104
144 2026-08-26 16:25 639233582635086903
29 ms 162.159.38.104
143 2026-08-26 16:25 639233582635086903
29 ms 172.64.34.104
142 2026-08-26 16:07 639233572000374575
12 ms 108.162.194.104
141 2026-08-26 16:07 639233572000374575
12 ms 162.159.38.104
140 2026-08-26 16:07 639233572000374575
12 ms 172.64.34.104
139 2026-08-26 15:49 639233561188633861
35 ms 108.162.194.104
138 2026-08-26 15:49 639233561188633861
35 ms 162.159.38.104
137 2026-08-26 15:49 639233561188633861
35 ms 172.64.34.104
136 2026-08-26 15:31 639233550544357027
15 ms 108.162.194.104
135 2026-08-26 15:31 639233550544357027
15 ms 162.159.38.104
134 2026-08-26 15:31 639233550544357027
15 ms 172.64.34.104
133 2026-08-26 14:37 639233517966053117
36 ms 108.162.194.104
132 2026-08-26 14:37 639233517966053117
36 ms 162.159.38.104
131 2026-08-26 14:37 639233517966053117
36 ms 172.64.34.104
130 2026-08-26 14:20 639233507603253585
59 ms 108.162.194.104
129 2026-08-26 14:20 639233507603253585
59 ms 162.159.38.104
128 2026-08-26 14:20 639233507603253585
59 ms 172.64.34.104
127 2026-08-26 14:02 639233497229039167
31 ms 108.162.194.104
126 2026-08-26 14:02 639233497229039167
31 ms 162.159.38.104
125 2026-08-26 14:02 639233497229039167
31 ms 172.64.34.104
124 2026-08-26 13:45 639233486864546406
30 ms 108.162.194.104
123 2026-08-26 13:45 639233486864546406
30 ms 162.159.38.104
122 2026-08-26 13:45 639233486864546406
30 ms 172.64.34.104
121 2026-08-26 13:28 639233476455174682
8 ms 108.162.194.104
120 2026-08-26 13:28 639233476455174682
8 ms 162.159.38.104
119 2026-08-26 13:28 639233476455174682
8 ms 172.64.34.104
118 2026-08-26 13:11 639233466171592605
22 ms 108.162.194.104
117 2026-08-26 13:11 639233466171592605
22 ms 162.159.38.104
116 2026-08-26 13:11 639233466171592605
22 ms 172.64.34.104
115 2026-08-26 12:53 639233455747096265
15 ms 108.162.194.104
114 2026-08-26 12:53 639233455747096265
15 ms 162.159.38.104
113 2026-08-26 12:53 639233455747096265
15 ms 172.64.34.104
112 2026-08-26 12:36 639233445367152284
52 ms 108.162.194.104
111 2026-08-26 12:36 639233445367152284
52 ms 162.159.38.104
110 2026-08-26 12:36 639233445367152284
52 ms 172.64.34.104
109 2026-08-26 12:19 639233434974187439
5 ms 108.162.194.104
108 2026-08-26 12:19 639233434974187439
5 ms 162.159.38.104
107 2026-08-26 12:19 639233434974187439
5 ms 172.64.34.104
106 2026-08-26 12:01 639233424567558554
29 ms 108.162.194.104
105 2026-08-26 12:01 639233424567558554
29 ms 162.159.38.104
104 2026-08-26 12:01 639233424567558554
29 ms 172.64.34.104
103 2026-08-26 11:44 639233414056832719
32 ms 108.162.194.104
102 2026-08-26 11:44 639233414056832719
32 ms 162.159.38.104
101 2026-08-26 11:44 639233414056832719
32 ms 172.64.34.104
100 2026-08-26 11:26 639233403515141099
29 ms 108.162.194.104
99 2026-08-26 11:26 639233403515141099
29 ms 162.159.38.104
98 2026-08-26 11:26 639233403515141099
29 ms 172.64.34.104
97 2026-08-26 10:32 639233370841350248
60 ms 108.162.194.104
96 2026-08-26 10:32 639233370841350248
60 ms 162.159.38.104
95 2026-08-26 10:32 639233370841350248
60 ms 172.64.34.104
94 2026-08-26 10:14 639233360361507238
24 ms 108.162.194.104
93 2026-08-26 10:14 639233360361507238
24 ms 162.159.38.104
92 2026-08-26 10:14 639233360361507238
24 ms 172.64.34.104
91 2026-08-26 09:57 639233350067824371
43 ms 108.162.194.104
90 2026-08-26 09:57 639233350067824371
43 ms 162.159.38.104
89 2026-08-26 09:57 639233350067824371
43 ms 172.64.34.104
88 2026-08-26 09:40 639233339545274518
26 ms 108.162.194.104
87 2026-08-26 09:40 639233339545274518
26 ms 162.159.38.104
86 2026-08-26 09:40 639233339545274518
26 ms 172.64.34.104
85 2026-08-26 09:22 639233329214918079
6 ms 108.162.194.104
84 2026-08-26 09:22 639233329214918079
6 ms 162.159.38.104
83 2026-08-26 09:22 639233329214918079
6 ms 172.64.34.104
82 2026-08-26 09:05 639233318749762337
11 ms 108.162.194.104
81 2026-08-26 09:05 639233318749762337
11 ms 162.159.38.104
80 2026-08-26 09:05 639233318749762337
11 ms 172.64.34.104
79 2026-08-26 08:48 639233308387917838
15 ms 108.162.194.104
78 2026-08-26 08:48 639233308387917838
15 ms 162.159.38.104
77 2026-08-26 08:48 639233308387917838
15 ms 172.64.34.104
76 2026-08-26 08:30 639233297961740122
6 ms 108.162.194.104
75 2026-08-26 08:30 639233297961740122
6 ms 162.159.38.104
74 2026-08-26 08:30 639233297961740122
6 ms 172.64.34.104
73 2026-08-26 08:13 639233287487159094
20 ms 108.162.194.104
72 2026-08-26 08:13 639233287487159094
20 ms 162.159.38.104
71 2026-08-26 08:13 639233287487159094
20 ms 172.64.34.104
70 2026-08-26 07:55 639233276995531707
11 ms 108.162.194.104
69 2026-08-26 07:55 639233276995531707
11 ms 162.159.38.104
68 2026-08-26 07:55 639233276995531707
11 ms 172.64.34.104
67 2026-08-26 07:38 639233266521568229
38 ms 108.162.194.104
66 2026-08-26 07:38 639233266521568229
38 ms 162.159.38.104
65 2026-08-26 07:38 639233266521568229
38 ms 172.64.34.104
64 2026-08-26 07:20 639233256081047431
7 ms 108.162.194.104
63 2026-08-26 07:20 639233256081047431
7 ms 162.159.38.104
62 2026-08-26 07:20 639233256081047431
7 ms 172.64.34.104
61 2026-08-26 06:26 639233223620132921
65 ms 108.162.194.104
60 2026-08-26 06:26 639233223620132921
65 ms 162.159.38.104
59 2026-08-26 06:26 639233223620132921
65 ms 172.64.34.104
58 2026-08-26 06:09 639233213287814244
30 ms 108.162.194.104
57 2026-08-26 06:09 639233213287814244
30 ms 162.159.38.104
56 2026-08-26 06:09 639233213287814244
30 ms 172.64.34.104
55 2026-08-26 05:52 639233202925983161
7 ms 108.162.194.104
54 2026-08-26 05:52 639233202925983161
7 ms 162.159.38.104
53 2026-08-26 05:52 639233202925983161
7 ms 172.64.34.104
52 2026-08-26 05:35 639233192644780696
26 ms 108.162.194.104
51 2026-08-26 05:35 639233192644780696
26 ms 162.159.38.104
50 2026-08-26 05:35 639233192644780696
26 ms 172.64.34.104
49 2026-08-26 05:18 639233182401183833
22 ms 108.162.194.104
48 2026-08-26 05:18 639233182401183833
22 ms 162.159.38.104
47 2026-08-26 05:18 639233182401183833
22 ms 172.64.34.104
46 2026-08-26 05:00 639233172074181051
22 ms 108.162.194.104
45 2026-08-26 05:00 639233172074181051
22 ms 162.159.38.104
44 2026-08-26 05:00 639233172074181051
22 ms 172.64.34.104
43 2026-08-26 04:43 639233161808421455
96 ms 108.162.194.104
42 2026-08-26 04:43 639233161808421455
96 ms 162.159.38.104
41 2026-08-26 04:43 639233161808421455
96 ms 172.64.34.104
40 2026-08-26 04:26 639233151357344052
19 ms 108.162.194.104
39 2026-08-26 04:26 639233151357344052
19 ms 162.159.38.104
38 2026-08-26 04:26 639233151357344052
19 ms 172.64.34.104
37 2026-08-26 04:09 639233141034116946
31 ms 108.162.194.104
36 2026-08-26 04:09 639233141034116946
31 ms 162.159.38.104
35 2026-08-26 04:09 639233141034116946
31 ms 172.64.34.104
34 2026-08-26 03:52 639233130828334142
26 ms 108.162.194.104
33 2026-08-26 03:52 639233130828334142
26 ms 162.159.38.104
32 2026-08-26 03:52 639233130828334142
26 ms 172.64.34.104
31 2026-08-26 03:34 639233120373450007
4 ms 108.162.194.104
30 2026-08-26 03:34 639233120373450007
4 ms 162.159.38.104
29 2026-08-26 03:34 639233120373450007
4 ms 172.64.34.104
28 2026-08-26 03:17 639233110066216193
14 ms 108.162.194.104
27 2026-08-26 03:17 639233110066216193
14 ms 162.159.38.104
26 2026-08-26 03:17 639233110066216193
14 ms 172.64.34.104
25 2026-08-26 02:24 639233078065410564
31 ms 108.162.194.104
24 2026-08-26 02:24 639233078065410564
31 ms 162.159.38.104
23 2026-08-26 02:24 639233078065410564
31 ms 172.64.34.104
22 2026-08-26 02:07 639233067787457832
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21 2026-08-26 01:49 639233057501801162
6 ms 108.162.194.104
20 2026-08-26 01:49 639233057501801162
6 ms 162.159.38.104
19 2026-08-26 01:49 639233057501801162
6 ms 172.64.34.104
18 2026-08-26 01:32 639233047089431703
9 ms 108.162.194.104
17 2026-08-26 01:32 639233047089431703
9 ms 162.159.38.104
16 2026-08-26 01:32 639233047089431703
9 ms 172.64.34.104
15 2026-08-26 01:15 639233036754790688
12 ms 108.162.194.104
14 2026-08-26 01:15 639233036754790688
12 ms 162.159.38.104
13 2026-08-26 01:15 639233036754790688
12 ms 172.64.34.104
12 2026-08-26 00:58 639233026412602472
10 ms 108.162.194.104
11 2026-08-26 00:58 639233026412602472
10 ms 162.159.38.104
10 2026-08-26 00:58 639233026412602472
10 ms 172.64.34.104
9 2026-08-26 00:40 639233016064066127
30 ms 108.162.194.104
8 2026-08-26 00:40 639233016064066127
30 ms 162.159.38.104
7 2026-08-26 00:40 639233016064066127
30 ms 172.64.34.104
6 2026-08-26 00:23 639233005922655772
39 ms 108.162.194.104
5 2026-08-26 00:23 639233005922655772
39 ms 162.159.38.104
4 2026-08-26 00:23 639233005922655772
39 ms 172.64.34.104
3 2026-08-26 00:06 639232995672256907
10 ms 108.162.194.104
2 2026-08-26 00:06 639232995672256907
10 ms 162.159.38.104
1 2026-08-26 00:06 639232995672256907
10 ms 172.64.34.104