DNS response history for jack.ns.cloudflare.com

jack.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 208 DNS check records, 207 successful responses, 1 failed responses, and 63 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 jack.ns.cloudflare.com.
Records on Selected Date

208

Historical checks stored for this nameserver on selected date

Average Latency

63 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

108.162.193.121

Most recently resolved hosting IP on selected date

Successful Responses

207

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 jack.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
208 2026-08-26 23:45 639233846871926285
6 ms 108.162.193.121
207 2026-08-26 23:45 639233846871926285
6 ms 172.64.33.121
206 2026-08-26 23:45 639233846871926285
6 ms 173.245.59.121
205 2026-08-26 22:51 639233814527872887
8 ms 108.162.193.121
204 2026-08-26 22:51 639233814527872887
8 ms 172.64.33.121
203 2026-08-26 22:51 639233814527872887
8 ms 173.245.59.121
202 2026-08-26 22:34 639233804315489381
32 ms 108.162.193.121
201 2026-08-26 22:34 639233804315489381
32 ms 172.64.33.121
200 2026-08-26 22:34 639233804315489381
32 ms 173.245.59.121
199 2026-08-26 22:17 639233793971346256
35 ms 108.162.193.121
198 2026-08-26 22:17 639233793971346256
35 ms 172.64.33.121
197 2026-08-26 22:17 639233793971346256
35 ms 173.245.59.121
196 2026-08-26 22:00 639233783644630463
195 ms 108.162.193.121
195 2026-08-26 22:00 639233783644630463
195 ms 172.64.33.121
194 2026-08-26 22:00 639233783644630463
195 ms 173.245.59.121
193 2026-08-26 21:42 639233773302621314
5 ms 108.162.193.121
192 2026-08-26 21:42 639233773302621314
5 ms 172.64.33.121
191 2026-08-26 21:42 639233773302621314
5 ms 173.245.59.121
190 2026-08-26 21:25 639233762896723748
255 ms 108.162.193.121
189 2026-08-26 21:25 639233762896723748
255 ms 172.64.33.121
188 2026-08-26 21:25 639233762896723748
255 ms 173.245.59.121
187 2026-08-26 21:08 639233752543876329
26 ms 108.162.193.121
186 2026-08-26 21:08 639233752543876329
26 ms 172.64.33.121
185 2026-08-26 21:08 639233752543876329
26 ms 173.245.59.121
184 2026-08-26 20:51 639233742155931788
163 ms 108.162.193.121
183 2026-08-26 20:51 639233742155931788
163 ms 172.64.33.121
182 2026-08-26 20:51 639233742155931788
163 ms 173.245.59.121
181 2026-08-26 20:33 639233731712555311
13 ms 108.162.193.121
180 2026-08-26 20:33 639233731712555311
13 ms 172.64.33.121
179 2026-08-26 20:33 639233731712555311
13 ms 173.245.59.121
178 2026-08-26 20:16 639233721164051126
33 ms 108.162.193.121
177 2026-08-26 20:16 639233721164051126
33 ms 172.64.33.121
176 2026-08-26 20:16 639233721164051126
33 ms 173.245.59.121
175 2026-08-26 19:58 639233710560486320
7 ms 108.162.193.121
174 2026-08-26 19:58 639233710560486320
7 ms 172.64.33.121
173 2026-08-26 19:58 639233710560486320
7 ms 173.245.59.121
172 2026-08-26 19:40 639233699834667450
137 ms 108.162.193.121
171 2026-08-26 19:40 639233699834667450
137 ms 172.64.33.121
170 2026-08-26 19:40 639233699834667450
137 ms 173.245.59.121
169 2026-08-26 18:46 639233667209186136
203 ms 108.162.193.121
168 2026-08-26 18:46 639233667209186136
203 ms 172.64.33.121
167 2026-08-26 18:46 639233667209186136
203 ms 173.245.59.121
166 2026-08-26 18:28 639233656814316266
159 ms 108.162.193.121
165 2026-08-26 18:28 639233656814316266
159 ms 172.64.33.121
164 2026-08-26 18:28 639233656814316266
159 ms 173.245.59.121
163 2026-08-26 18:11 639233646245051806
25 ms 108.162.193.121
162 2026-08-26 18:11 639233646245051806
25 ms 172.64.33.121
161 2026-08-26 18:11 639233646245051806
25 ms 173.245.59.121
160 2026-08-26 17:53 639233635663779051
140 ms 108.162.193.121
159 2026-08-26 17:53 639233635663779051
140 ms 172.64.33.121
158 2026-08-26 17:53 639233635663779051
140 ms 173.245.59.121
157 2026-08-26 17:35 639233624977342122
6 ms 108.162.193.121
156 2026-08-26 17:35 639233624977342122
6 ms 172.64.33.121
155 2026-08-26 17:35 639233624977342122
6 ms 173.245.59.121
154 2026-08-26 17:18 639233614446136153
99 ms 108.162.193.121
153 2026-08-26 17:18 639233614446136153
99 ms 172.64.33.121
152 2026-08-26 17:18 639233614446136153
99 ms 173.245.59.121
151 2026-08-26 17:00 639233603737877581
6 ms 108.162.193.121
150 2026-08-26 17:00 639233603737877581
6 ms 172.64.33.121
149 2026-08-26 17:00 639233603737877581
6 ms 173.245.59.121
148 2026-08-26 16:42 639233593269224651
155 ms 108.162.193.121
147 2026-08-26 16:42 639233593269224651
155 ms 172.64.33.121
146 2026-08-26 16:42 639233593269224651
155 ms 173.245.59.121
145 2026-08-26 16:25 639233582635086903
9 ms 108.162.193.121
144 2026-08-26 16:25 639233582635086903
9 ms 172.64.33.121
143 2026-08-26 16:25 639233582635086903
9 ms 173.245.59.121
142 2026-08-26 16:07 639233572000374575
43 ms 108.162.193.121
141 2026-08-26 16:07 639233572000374575
43 ms 172.64.33.121
140 2026-08-26 16:07 639233572000374575
43 ms 173.245.59.121
139 2026-08-26 15:49 639233561188633861
28 ms 108.162.193.121
138 2026-08-26 15:49 639233561188633861
28 ms 172.64.33.121
137 2026-08-26 15:49 639233561188633861
28 ms 173.245.59.121
136 2026-08-26 15:31 639233550544357027
32 ms 108.162.193.121
135 2026-08-26 15:31 639233550544357027
32 ms 172.64.33.121
134 2026-08-26 15:31 639233550544357027
32 ms 173.245.59.121
133 2026-08-26 14:37 639233517966053117
230 ms 108.162.193.121
132 2026-08-26 14:37 639233517966053117
230 ms 172.64.33.121
131 2026-08-26 14:37 639233517966053117
230 ms 173.245.59.121
130 2026-08-26 14:20 639233507603253585
233 ms 108.162.193.121
129 2026-08-26 14:20 639233507603253585
233 ms 172.64.33.121
128 2026-08-26 14:20 639233507603253585
233 ms 173.245.59.121
127 2026-08-26 14:02 639233497229039167
10 ms 108.162.193.121
126 2026-08-26 14:02 639233497229039167
10 ms 172.64.33.121
125 2026-08-26 14:02 639233497229039167
10 ms 173.245.59.121
124 2026-08-26 13:45 639233486864546406
61 ms 108.162.193.121
123 2026-08-26 13:45 639233486864546406
61 ms 172.64.33.121
122 2026-08-26 13:45 639233486864546406
61 ms 173.245.59.121
121 2026-08-26 13:28 639233476455174682
11 ms 108.162.193.121
120 2026-08-26 13:28 639233476455174682
11 ms 172.64.33.121
119 2026-08-26 13:28 639233476455174682
11 ms 173.245.59.121
118 2026-08-26 13:11 639233466171592605
30 ms 108.162.193.121
117 2026-08-26 13:11 639233466171592605
30 ms 172.64.33.121
116 2026-08-26 13:11 639233466171592605
30 ms 173.245.59.121
115 2026-08-26 12:53 639233455747096265
30 ms 108.162.193.121
114 2026-08-26 12:53 639233455747096265
30 ms 172.64.33.121
113 2026-08-26 12:53 639233455747096265
30 ms 173.245.59.121
112 2026-08-26 12:36 639233445367152284
156 ms 108.162.193.121
111 2026-08-26 12:36 639233445367152284
156 ms 172.64.33.121
110 2026-08-26 12:36 639233445367152284
156 ms 173.245.59.121
109 2026-08-26 12:19 639233434974187439
21 ms 108.162.193.121
108 2026-08-26 12:19 639233434974187439
21 ms 172.64.33.121
107 2026-08-26 12:19 639233434974187439
21 ms 173.245.59.121
106 2026-08-26 12:01 639233424567558554
27 ms 108.162.193.121
105 2026-08-26 12:01 639233424567558554
27 ms 172.64.33.121
104 2026-08-26 12:01 639233424567558554
27 ms 173.245.59.121
103 2026-08-26 11:44 639233414056832719
66 ms 108.162.193.121
102 2026-08-26 11:44 639233414056832719
66 ms 172.64.33.121
101 2026-08-26 11:44 639233414056832719
66 ms 173.245.59.121
100 2026-08-26 11:26 639233403515141099
39 ms 108.162.193.121
99 2026-08-26 11:26 639233403515141099
39 ms 172.64.33.121
98 2026-08-26 11:26 639233403515141099
39 ms 173.245.59.121
97 2026-08-26 10:32 639233370841350248
156 ms 108.162.193.121
96 2026-08-26 10:32 639233370841350248
156 ms 172.64.33.121
95 2026-08-26 10:32 639233370841350248
156 ms 173.245.59.121
94 2026-08-26 10:14 639233360361507238
5 ms 108.162.193.121
93 2026-08-26 10:14 639233360361507238
5 ms 172.64.33.121
92 2026-08-26 10:14 639233360361507238
5 ms 173.245.59.121
91 2026-08-26 09:57 639233350067824371
48 ms 108.162.193.121
90 2026-08-26 09:57 639233350067824371
48 ms 172.64.33.121
89 2026-08-26 09:57 639233350067824371
48 ms 173.245.59.121
88 2026-08-26 09:40 639233339545274518
35 ms 108.162.193.121
87 2026-08-26 09:40 639233339545274518
35 ms 172.64.33.121
86 2026-08-26 09:40 639233339545274518
35 ms 173.245.59.121
85 2026-08-26 09:22 639233329214918079
120 ms 108.162.193.121
84 2026-08-26 09:22 639233329214918079
120 ms 172.64.33.121
83 2026-08-26 09:22 639233329214918079
120 ms 173.245.59.121
82 2026-08-26 09:05 639233318749762337
7 ms 108.162.193.121
81 2026-08-26 09:05 639233318749762337
7 ms 172.64.33.121
80 2026-08-26 09:05 639233318749762337
7 ms 173.245.59.121
79 2026-08-26 08:48 639233308387917838
31 ms 108.162.193.121
78 2026-08-26 08:48 639233308387917838
31 ms 172.64.33.121
77 2026-08-26 08:48 639233308387917838
31 ms 173.245.59.121
76 2026-08-26 08:30 639233297961740122
155 ms 108.162.193.121
75 2026-08-26 08:30 639233297961740122
155 ms 172.64.33.121
74 2026-08-26 08:30 639233297961740122
155 ms 173.245.59.121
73 2026-08-26 08:13 639233287487159094
8 ms 108.162.193.121
72 2026-08-26 08:13 639233287487159094
8 ms 172.64.33.121
71 2026-08-26 08:13 639233287487159094
8 ms 173.245.59.121
70 2026-08-26 07:55 639233276995531707
45 ms 108.162.193.121
69 2026-08-26 07:55 639233276995531707
45 ms 172.64.33.121
68 2026-08-26 07:55 639233276995531707
45 ms 173.245.59.121
67 2026-08-26 07:38 639233266521568229
152 ms 108.162.193.121
66 2026-08-26 07:38 639233266521568229
152 ms 172.64.33.121
65 2026-08-26 07:38 639233266521568229
152 ms 173.245.59.121
64 2026-08-26 07:20 639233256081047431
12 ms 108.162.193.121
63 2026-08-26 07:20 639233256081047431
12 ms 172.64.33.121
62 2026-08-26 07:20 639233256081047431
12 ms 173.245.59.121
61 2026-08-26 06:26 639233223620132921
29 ms 108.162.193.121
60 2026-08-26 06:26 639233223620132921
29 ms 172.64.33.121
59 2026-08-26 06:26 639233223620132921
29 ms 173.245.59.121
58 2026-08-26 06:09 639233213287814244
39 ms 108.162.193.121
57 2026-08-26 06:09 639233213287814244
39 ms 172.64.33.121
56 2026-08-26 06:09 639233213287814244
39 ms 173.245.59.121
55 2026-08-26 05:52 639233202925983161
46 ms 108.162.193.121
54 2026-08-26 05:52 639233202925983161
46 ms 172.64.33.121
53 2026-08-26 05:52 639233202925983161
46 ms 173.245.59.121
52 2026-08-26 05:35 639233192644780696
26 ms 108.162.193.121
51 2026-08-26 05:35 639233192644780696
26 ms 172.64.33.121
50 2026-08-26 05:35 639233192644780696
26 ms 173.245.59.121
49 2026-08-26 05:18 639233182401183833
11 ms 108.162.193.121
48 2026-08-26 05:18 639233182401183833
11 ms 172.64.33.121
47 2026-08-26 05:18 639233182401183833
11 ms 173.245.59.121
46 2026-08-26 05:00 639233172074181051
52 ms 108.162.193.121
45 2026-08-26 05:00 639233172074181051
52 ms 172.64.33.121
44 2026-08-26 05:00 639233172074181051
52 ms 173.245.59.121
43 2026-08-26 04:43 639233161808421455
117 ms 108.162.193.121
42 2026-08-26 04:43 639233161808421455
117 ms 172.64.33.121
41 2026-08-26 04:43 639233161808421455
117 ms 173.245.59.121
40 2026-08-26 04:26 639233151357344052
38 ms 108.162.193.121
39 2026-08-26 04:26 639233151357344052
38 ms 172.64.33.121
38 2026-08-26 04:26 639233151357344052
38 ms 173.245.59.121
37 2026-08-26 04:09 639233141034116946
28 ms 108.162.193.121
36 2026-08-26 04:09 639233141034116946
28 ms 172.64.33.121
35 2026-08-26 04:09 639233141034116946
28 ms 173.245.59.121
34 2026-08-26 03:52 639233130828334142
71 ms 108.162.193.121
33 2026-08-26 03:52 639233130828334142
71 ms 172.64.33.121
32 2026-08-26 03:52 639233130828334142
71 ms 173.245.59.121
31 2026-08-26 03:34 639233120373450007
24 ms 108.162.193.121
30 2026-08-26 03:34 639233120373450007
24 ms 172.64.33.121
29 2026-08-26 03:34 639233120373450007
24 ms 173.245.59.121
28 2026-08-26 03:17 639233110066216193
36 ms 108.162.193.121
27 2026-08-26 03:17 639233110066216193
36 ms 172.64.33.121
26 2026-08-26 03:17 639233110066216193
36 ms 173.245.59.121
25 2026-08-26 02:24 639233078065410564
85 ms 108.162.193.121
24 2026-08-26 02:24 639233078065410564
85 ms 172.64.33.121
23 2026-08-26 02:24 639233078065410564
85 ms 173.245.59.121
22 2026-08-26 02:07 639233067787457832
27 ms 108.162.193.121
21 2026-08-26 02:07 639233067787457832
27 ms 172.64.33.121
20 2026-08-26 02:07 639233067787457832
27 ms 173.245.59.121
19 2026-08-26 01:49 639233057501801162
78 ms 108.162.193.121
18 2026-08-26 01:49 639233057501801162
78 ms 172.64.33.121
17 2026-08-26 01:49 639233057501801162
78 ms 173.245.59.121
16 2026-08-26 01:32 639233047089431703
61 ms 173.245.59.121
15 2026-08-26 01:32 639233047089431703
61 ms 172.64.33.121
14 2026-08-26 01:32 639233047089431703
61 ms 108.162.193.121
13 2026-08-26 01:15 639233036754790688
30 ms 108.162.193.121
12 2026-08-26 01:15 639233036754790688
30 ms 172.64.33.121
11 2026-08-26 01:15 639233036754790688
30 ms 173.245.59.121
10 2026-08-26 00:58 639233026412602472
7 ms 108.162.193.121
9 2026-08-26 00:58 639233026412602472
7 ms 172.64.33.121
8 2026-08-26 00:58 639233026412602472
7 ms 173.245.59.121
7 2026-08-26 00:40 639233016064066127
53 ms 108.162.193.121
6 2026-08-26 00:40 639233016064066127
53 ms 172.64.33.121
5 2026-08-26 00:40 639233016064066127
53 ms 173.245.59.121
4 2026-08-26 00:24 639233005922655772
-
3 2026-08-26 00:06 639232995672256907
15 ms 108.162.193.121
2 2026-08-26 00:06 639232995672256907
15 ms 172.64.33.121
1 2026-08-26 00:06 639232995672256907
15 ms 173.245.59.121