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 2026-08-22. For this date, NameServerHistory found 218 DNS check records, 216 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

218

Historical checks stored for this nameserver on selected date

Average Latency

24 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-22 23:47

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

216

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 2026-08-22 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
218 2026-08-22 23:47 639230391807229016
25 ms 108.162.194.104
217 2026-08-22 23:47 639230391807229016
25 ms 162.159.38.104
216 2026-08-22 23:47 639230391807229016
25 ms 172.64.34.104
215 2026-08-22 23:30 639230382051619327
25 ms 108.162.194.104
214 2026-08-22 23:30 639230382051619327
25 ms 162.159.38.104
213 2026-08-22 23:30 639230382051619327
25 ms 172.64.34.104
212 2026-08-22 23:14 639230372323353529
46 ms 108.162.194.104
211 2026-08-22 23:14 639230372323353529
46 ms 162.159.38.104
210 2026-08-22 23:14 639230372323353529
46 ms 172.64.34.104
209 2026-08-22 22:58 639230362586451064
50 ms 108.162.194.104
208 2026-08-22 22:58 639230362586451064
50 ms 162.159.38.104
207 2026-08-22 22:58 639230362586451064
50 ms 172.64.34.104
206 2026-08-22 22:42 639230352793666303
20 ms 108.162.194.104
205 2026-08-22 22:42 639230352793666303
20 ms 162.159.38.104
204 2026-08-22 22:42 639230352793666303
20 ms 172.64.34.104
203 2026-08-22 22:25 639230342775737758
20 ms 108.162.194.104
202 2026-08-22 22:25 639230342775737758
20 ms 162.159.38.104
201 2026-08-22 22:25 639230342775737758
20 ms 172.64.34.104
200 2026-08-22 22:08 639230332639939561
5 ms 108.162.194.104
199 2026-08-22 22:08 639230332639939561
5 ms 162.159.38.104
198 2026-08-22 22:08 639230332639939561
5 ms 172.64.34.104
197 2026-08-22 21:15 639230301014190104
23 ms 108.162.194.104
196 2026-08-22 21:15 639230301014190104
23 ms 162.159.38.104
195 2026-08-22 21:15 639230301014190104
23 ms 172.64.34.104
194 2026-08-22 20:59 639230291048161498
6 ms 108.162.194.104
193 2026-08-22 20:59 639230291048161498
6 ms 162.159.38.104
192 2026-08-22 20:59 639230291048161498
6 ms 172.64.34.104
191 2026-08-22 20:42 639230280894353664
16 ms 108.162.194.104
190 2026-08-22 20:42 639230280894353664
16 ms 162.159.38.104
189 2026-08-22 20:42 639230280894353664
16 ms 172.64.34.104
188 2026-08-22 20:25 639230270699419073
27 ms 108.162.194.104
187 2026-08-22 20:25 639230270699419073
27 ms 162.159.38.104
186 2026-08-22 20:25 639230270699419073
27 ms 172.64.34.104
185 2026-08-22 20:07 639230260248163050
17 ms 108.162.194.104
184 2026-08-22 20:07 639230260248163050
17 ms 162.159.38.104
183 2026-08-22 20:07 639230260248163050
17 ms 172.64.34.104
182 2026-08-22 19:50 639230250122494282
31 ms 108.162.194.104
181 2026-08-22 19:50 639230250122494282
31 ms 162.159.38.104
180 2026-08-22 19:50 639230250122494282
31 ms 172.64.34.104
179 2026-08-22 19:34 639230239972935046
-
178 2026-08-22 19:17 639230229963262464
19 ms 108.162.194.104
177 2026-08-22 19:17 639230229963262464
19 ms 162.159.38.104
176 2026-08-22 19:17 639230229963262464
19 ms 172.64.34.104
175 2026-08-22 19:00 639230220033804658
27 ms 108.162.194.104
174 2026-08-22 19:00 639230220033804658
27 ms 162.159.38.104
173 2026-08-22 19:00 639230220033804658
27 ms 172.64.34.104
172 2026-08-22 18:43 639230209891107289
31 ms 108.162.194.104
171 2026-08-22 18:43 639230209891107289
31 ms 162.159.38.104
170 2026-08-22 18:43 639230209891107289
31 ms 172.64.34.104
169 2026-08-22 18:26 639230199630298717
21 ms 108.162.194.104
168 2026-08-22 18:26 639230199630298717
21 ms 162.159.38.104
167 2026-08-22 18:26 639230199630298717
21 ms 172.64.34.104
166 2026-08-22 18:09 639230189301984150
5 ms 108.162.194.104
165 2026-08-22 18:09 639230189301984150
5 ms 162.159.38.104
164 2026-08-22 18:09 639230189301984150
5 ms 172.64.34.104
163 2026-08-22 17:16 639230157138468804
27 ms 108.162.194.104
162 2026-08-22 17:16 639230157138468804
27 ms 162.159.38.104
161 2026-08-22 17:16 639230157138468804
27 ms 172.64.34.104
160 2026-08-22 16:59 639230146987869495
13 ms 108.162.194.104
159 2026-08-22 16:59 639230146987869495
13 ms 162.159.38.104
158 2026-08-22 16:59 639230146987869495
13 ms 172.64.34.104
157 2026-08-22 16:42 639230136768638516
32 ms 108.162.194.104
156 2026-08-22 16:42 639230136768638516
32 ms 162.159.38.104
155 2026-08-22 16:42 639230136768638516
32 ms 172.64.34.104
154 2026-08-22 16:25 639230126735907877
-
153 2026-08-22 16:08 639230116551187768
79 ms 108.162.194.104
152 2026-08-22 16:08 639230116551187768
79 ms 162.159.38.104
151 2026-08-22 16:08 639230116551187768
79 ms 172.64.34.104
150 2026-08-22 15:51 639230106335615913
18 ms 108.162.194.104
149 2026-08-22 15:51 639230106335615913
18 ms 162.159.38.104
148 2026-08-22 15:51 639230106335615913
18 ms 172.64.34.104
147 2026-08-22 15:34 639230096177758176
21 ms 108.162.194.104
146 2026-08-22 15:34 639230096177758176
21 ms 162.159.38.104
145 2026-08-22 15:34 639230096177758176
21 ms 172.64.34.104
144 2026-08-22 15:17 639230086185999993
20 ms 108.162.194.104
143 2026-08-22 15:17 639230086185999993
20 ms 162.159.38.104
142 2026-08-22 15:17 639230086185999993
20 ms 172.64.34.104
141 2026-08-22 15:01 639230076247854903
26 ms 108.162.194.104
140 2026-08-22 15:01 639230076247854903
26 ms 162.159.38.104
139 2026-08-22 15:01 639230076247854903
26 ms 172.64.34.104
138 2026-08-22 14:44 639230066076077530
33 ms 108.162.194.104
137 2026-08-22 14:44 639230066076077530
33 ms 162.159.38.104
136 2026-08-22 14:44 639230066076077530
33 ms 172.64.34.104
135 2026-08-22 14:27 639230055738197328
31 ms 108.162.194.104
134 2026-08-22 14:27 639230055738197328
31 ms 162.159.38.104
133 2026-08-22 14:27 639230055738197328
31 ms 172.64.34.104
132 2026-08-22 14:09 639230045411225521
6 ms 108.162.194.104
131 2026-08-22 14:09 639230045411225521
6 ms 162.159.38.104
130 2026-08-22 14:09 639230045411225521
6 ms 172.64.34.104
129 2026-08-22 13:15 639230013046000470
8 ms 108.162.194.104
128 2026-08-22 13:15 639230013046000470
8 ms 162.159.38.104
127 2026-08-22 13:15 639230013046000470
8 ms 172.64.34.104
126 2026-08-22 12:59 639230003090037878
60 ms 108.162.194.104
125 2026-08-22 12:59 639230003090037878
60 ms 162.159.38.104
124 2026-08-22 12:59 639230003090037878
60 ms 172.64.34.104
123 2026-08-22 12:42 639229993008259475
23 ms 108.162.194.104
122 2026-08-22 12:42 639229993008259475
23 ms 162.159.38.104
121 2026-08-22 12:42 639229993008259475
23 ms 172.64.34.104
120 2026-08-22 12:25 639229982909449470
35 ms 108.162.194.104
119 2026-08-22 12:25 639229982909449470
35 ms 162.159.38.104
118 2026-08-22 12:25 639229982909449470
35 ms 172.64.34.104
117 2026-08-22 12:09 639229973035502212
9 ms 108.162.194.104
116 2026-08-22 12:09 639229973035502212
9 ms 162.159.38.104
115 2026-08-22 12:09 639229973035502212
9 ms 172.64.34.104
114 2026-08-22 11:52 639229963064296145
21 ms 108.162.194.104
113 2026-08-22 11:52 639229963064296145
21 ms 162.159.38.104
112 2026-08-22 11:52 639229963064296145
21 ms 172.64.34.104
111 2026-08-22 11:35 639229952996162143
48 ms 108.162.194.104
110 2026-08-22 11:35 639229952996162143
48 ms 162.159.38.104
109 2026-08-22 11:35 639229952996162143
48 ms 172.64.34.104
108 2026-08-22 11:19 639229943051949195
4 ms 108.162.194.104
107 2026-08-22 11:19 639229943051949195
4 ms 162.159.38.104
106 2026-08-22 11:19 639229943051949195
4 ms 172.64.34.104
105 2026-08-22 11:02 639229932919214934
5 ms 108.162.194.104
104 2026-08-22 11:02 639229932919214934
5 ms 162.159.38.104
103 2026-08-22 11:02 639229932919214934
5 ms 172.64.34.104
102 2026-08-22 10:45 639229922745889838
24 ms 108.162.194.104
101 2026-08-22 10:45 639229922745889838
24 ms 162.159.38.104
100 2026-08-22 10:45 639229922745889838
24 ms 172.64.34.104
99 2026-08-22 10:28 639229912587214796
33 ms 108.162.194.104
98 2026-08-22 10:28 639229912587214796
33 ms 162.159.38.104
97 2026-08-22 10:28 639229912587214796
33 ms 172.64.34.104
96 2026-08-22 10:11 639229902240004454
30 ms 108.162.194.104
95 2026-08-22 10:11 639229902240004454
30 ms 162.159.38.104
94 2026-08-22 10:11 639229902240004454
30 ms 172.64.34.104
93 2026-08-22 09:18 639229870800501662
7 ms 108.162.194.104
92 2026-08-22 09:18 639229870800501662
7 ms 162.159.38.104
91 2026-08-22 09:18 639229870800501662
7 ms 172.64.34.104
90 2026-08-22 09:02 639229861058384956
35 ms 108.162.194.104
89 2026-08-22 09:02 639229861058384956
35 ms 162.159.38.104
88 2026-08-22 09:02 639229861058384956
35 ms 172.64.34.104
87 2026-08-22 08:46 639229851158592604
19 ms 108.162.194.104
86 2026-08-22 08:46 639229851158592604
19 ms 162.159.38.104
85 2026-08-22 08:46 639229851158592604
19 ms 172.64.34.104
84 2026-08-22 08:29 639229841475569629
23 ms 108.162.194.104
83 2026-08-22 08:29 639229841475569629
23 ms 162.159.38.104
82 2026-08-22 08:29 639229841475569629
23 ms 172.64.34.104
81 2026-08-22 08:13 639229831887658471
79 ms 108.162.194.104
80 2026-08-22 08:13 639229831887658471
79 ms 162.159.38.104
79 2026-08-22 08:13 639229831887658471
79 ms 172.64.34.104
78 2026-08-22 07:57 639229822043670346
9 ms 108.162.194.104
77 2026-08-22 07:57 639229822043670346
9 ms 162.159.38.104
76 2026-08-22 07:57 639229822043670346
9 ms 172.64.34.104
75 2026-08-22 07:41 639229812327913936
18 ms 108.162.194.104
74 2026-08-22 07:41 639229812327913936
18 ms 162.159.38.104
73 2026-08-22 07:41 639229812327913936
18 ms 172.64.34.104
72 2026-08-22 07:25 639229802629488686
5 ms 108.162.194.104
71 2026-08-22 07:25 639229802629488686
5 ms 162.159.38.104
70 2026-08-22 07:25 639229802629488686
5 ms 172.64.34.104
69 2026-08-22 07:09 639229793051447309
12 ms 108.162.194.104
68 2026-08-22 07:09 639229793051447309
12 ms 162.159.38.104
67 2026-08-22 07:09 639229793051447309
12 ms 172.64.34.104
66 2026-08-22 06:52 639229783303531961
19 ms 108.162.194.104
65 2026-08-22 06:52 639229783303531961
19 ms 162.159.38.104
64 2026-08-22 06:52 639229783303531961
19 ms 172.64.34.104
63 2026-08-22 06:36 639229773458051942
34 ms 108.162.194.104
62 2026-08-22 06:36 639229773458051942
34 ms 162.159.38.104
61 2026-08-22 06:36 639229773458051942
34 ms 172.64.34.104
60 2026-08-22 06:19 639229763373848056
18 ms 108.162.194.104
59 2026-08-22 06:19 639229763373848056
18 ms 162.159.38.104
58 2026-08-22 06:19 639229763373848056
18 ms 172.64.34.104
57 2026-08-22 05:27 639229732140622809
5 ms 108.162.194.104
56 2026-08-22 05:27 639229732140622809
5 ms 162.159.38.104
55 2026-08-22 05:27 639229732140622809
5 ms 172.64.34.104
54 2026-08-22 05:11 639229722699695967
40 ms 108.162.194.104
53 2026-08-22 05:11 639229722699695967
40 ms 162.159.38.104
52 2026-08-22 05:11 639229722699695967
40 ms 172.64.34.104
51 2026-08-22 04:55 639229713097498075
11 ms 108.162.194.104
50 2026-08-22 04:55 639229713097498075
11 ms 162.159.38.104
49 2026-08-22 04:55 639229713097498075
11 ms 172.64.34.104
48 2026-08-22 04:40 639229703543969637
8 ms 108.162.194.104
47 2026-08-22 04:40 639229703543969637
8 ms 162.159.38.104
46 2026-08-22 04:40 639229703543969637
8 ms 172.64.34.104
45 2026-08-22 04:24 639229693970392873
15 ms 108.162.194.104
44 2026-08-22 04:24 639229693970392873
15 ms 162.159.38.104
43 2026-08-22 04:24 639229693970392873
15 ms 172.64.34.104
42 2026-08-22 04:07 639229684277329469
41 ms 108.162.194.104
41 2026-08-22 04:07 639229684277329469
41 ms 162.159.38.104
40 2026-08-22 04:07 639229684277329469
41 ms 172.64.34.104
39 2026-08-22 03:51 639229674501596661
30 ms 108.162.194.104
38 2026-08-22 03:51 639229674501596661
30 ms 162.159.38.104
37 2026-08-22 03:51 639229674501596661
30 ms 172.64.34.104
36 2026-08-22 03:35 639229665064441147
21 ms 108.162.194.104
35 2026-08-22 03:35 639229665064441147
21 ms 162.159.38.104
34 2026-08-22 03:35 639229665064441147
21 ms 172.64.34.104
33 2026-08-22 03:19 639229655507536872
28 ms 108.162.194.104
32 2026-08-22 03:19 639229655507536872
28 ms 162.159.38.104
31 2026-08-22 03:19 639229655507536872
28 ms 172.64.34.104
30 2026-08-22 03:03 639229645849603111
18 ms 108.162.194.104
29 2026-08-22 03:03 639229645849603111
18 ms 162.159.38.104
28 2026-08-22 03:03 639229645849603111
18 ms 172.64.34.104
27 2026-08-22 02:47 639229636090497453
22 ms 108.162.194.104
26 2026-08-22 02:47 639229636090497453
22 ms 162.159.38.104
25 2026-08-22 02:47 639229636090497453
22 ms 172.64.34.104
24 2026-08-22 02:30 639229625978544281
20 ms 108.162.194.104
23 2026-08-22 02:30 639229625978544281
20 ms 162.159.38.104
22 2026-08-22 02:30 639229625978544281
20 ms 172.64.34.104
21 2026-08-22 01:38 639229594644662176
25 ms 108.162.194.104
20 2026-08-22 01:38 639229594644662176
25 ms 162.159.38.104
19 2026-08-22 01:38 639229594644662176
25 ms 172.64.34.104
18 2026-08-22 01:22 639229585214633065
24 ms 108.162.194.104
17 2026-08-22 01:22 639229585214633065
24 ms 162.159.38.104
16 2026-08-22 01:22 639229585214633065
24 ms 172.64.34.104
15 2026-08-22 01:06 639229575581042175
27 ms 108.162.194.104
14 2026-08-22 01:06 639229575581042175
27 ms 162.159.38.104
13 2026-08-22 01:06 639229575581042175
27 ms 172.64.34.104
12 2026-08-22 00:50 639229565912268962
31 ms 108.162.194.104
11 2026-08-22 00:50 639229565912268962
31 ms 162.159.38.104
10 2026-08-22 00:50 639229565912268962
31 ms 172.64.34.104
9 2026-08-22 00:34 639229556237813203
20 ms 108.162.194.104
8 2026-08-22 00:34 639229556237813203
20 ms 162.159.38.104
7 2026-08-22 00:34 639229556237813203
20 ms 172.64.34.104
6 2026-08-22 00:18 639229546625802518
24 ms 108.162.194.104
5 2026-08-22 00:18 639229546625802518
24 ms 162.159.38.104
4 2026-08-22 00:18 639229546625802518
24 ms 172.64.34.104
3 2026-08-22 00:02 639229537172016621
18 ms 108.162.194.104
2 2026-08-22 00:02 639229537172016621
18 ms 162.159.38.104
1 2026-08-22 00:02 639229537172016621
18 ms 172.64.34.104