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 2026-08-23. For this date, NameServerHistory found 223 DNS check records, 222 successful responses, 1 failed responses, and 77 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

223

Historical checks stored for this nameserver on selected date

Average Latency

77 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

108.162.193.121

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 jack.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
27 ms 108.162.193.121
222 2026-08-23 23:44 639231254406598736
27 ms 172.64.33.121
221 2026-08-23 23:44 639231254406598736
27 ms 173.245.59.121
220 2026-08-23 23:28 639231244697865594
175 ms 108.162.193.121
219 2026-08-23 23:28 639231244697865594
175 ms 172.64.33.121
218 2026-08-23 23:28 639231244697865594
175 ms 173.245.59.121
217 2026-08-23 23:12 639231234893504693
45 ms 108.162.193.121
216 2026-08-23 23:12 639231234893504693
45 ms 172.64.33.121
215 2026-08-23 23:12 639231234893504693
45 ms 173.245.59.121
214 2026-08-23 22:55 639231225024549139
56 ms 108.162.193.121
213 2026-08-23 22:55 639231225024549139
56 ms 172.64.33.121
212 2026-08-23 22:55 639231225024549139
56 ms 173.245.59.121
211 2026-08-23 22:39 639231214931957622
74 ms 108.162.193.121
210 2026-08-23 22:39 639231214931957622
74 ms 172.64.33.121
209 2026-08-23 22:39 639231214931957622
74 ms 173.245.59.121
208 2026-08-23 22:22 639231204962010549
239 ms 108.162.193.121
207 2026-08-23 22:22 639231204962010549
239 ms 172.64.33.121
206 2026-08-23 22:22 639231204962010549
239 ms 173.245.59.121
205 2026-08-23 22:06 639231195170138463
7 ms 108.162.193.121
204 2026-08-23 22:06 639231195170138463
7 ms 172.64.33.121
203 2026-08-23 22:06 639231195170138463
7 ms 173.245.59.121
202 2026-08-23 21:49 639231185235020577
38 ms 108.162.193.121
201 2026-08-23 21:49 639231185235020577
38 ms 172.64.33.121
200 2026-08-23 21:49 639231185235020577
38 ms 173.245.59.121
199 2026-08-23 21:33 639231175558690075
52 ms 108.162.193.121
198 2026-08-23 21:33 639231175558690075
52 ms 172.64.33.121
197 2026-08-23 21:33 639231175558690075
52 ms 173.245.59.121
196 2026-08-23 21:16 639231165610444012
32 ms 108.162.193.121
195 2026-08-23 21:16 639231165610444012
32 ms 172.64.33.121
194 2026-08-23 21:16 639231165610444012
32 ms 173.245.59.121
193 2026-08-23 20:23 639231133806425363
124 ms 108.162.193.121
192 2026-08-23 20:23 639231133806425363
124 ms 172.64.33.121
191 2026-08-23 20:23 639231133806425363
124 ms 173.245.59.121
190 2026-08-23 20:07 639231124203758023
14 ms 108.162.193.121
189 2026-08-23 20:07 639231124203758023
14 ms 172.64.33.121
188 2026-08-23 20:07 639231124203758023
14 ms 173.245.59.121
187 2026-08-23 19:51 639231114428262706
5 ms 108.162.193.121
186 2026-08-23 19:51 639231114428262706
5 ms 172.64.33.121
185 2026-08-23 19:51 639231114428262706
5 ms 173.245.59.121
184 2026-08-23 19:35 639231104662480065
28 ms 108.162.193.121
183 2026-08-23 19:35 639231104662480065
28 ms 172.64.33.121
182 2026-08-23 19:35 639231104662480065
28 ms 173.245.59.121
181 2026-08-23 19:18 639231094840372018
29 ms 108.162.193.121
180 2026-08-23 19:18 639231094840372018
29 ms 172.64.33.121
179 2026-08-23 19:18 639231094840372018
29 ms 173.245.59.121
178 2026-08-23 19:02 639231085024583224
39 ms 108.162.193.121
177 2026-08-23 19:02 639231085024583224
39 ms 172.64.33.121
176 2026-08-23 19:02 639231085024583224
39 ms 173.245.59.121
175 2026-08-23 18:46 639231075257417427
55 ms 108.162.193.121
174 2026-08-23 18:46 639231075257417427
55 ms 172.64.33.121
173 2026-08-23 18:46 639231075257417427
55 ms 173.245.59.121
172 2026-08-23 18:30 639231065516009503
113 ms 108.162.193.121
171 2026-08-23 18:30 639231065516009503
113 ms 172.64.33.121
170 2026-08-23 18:30 639231065516009503
113 ms 173.245.59.121
169 2026-08-23 18:13 639231055805348837
31 ms 108.162.193.121
168 2026-08-23 18:13 639231055805348837
31 ms 172.64.33.121
167 2026-08-23 18:13 639231055805348837
31 ms 173.245.59.121
166 2026-08-23 17:57 639231045980373765
27 ms 108.162.193.121
165 2026-08-23 17:57 639231045980373765
27 ms 172.64.33.121
164 2026-08-23 17:57 639231045980373765
27 ms 173.245.59.121
163 2026-08-23 17:40 639231035984577527
11 ms 108.162.193.121
162 2026-08-23 17:40 639231035984577527
11 ms 172.64.33.121
161 2026-08-23 17:40 639231035984577527
11 ms 173.245.59.121
160 2026-08-23 17:23 639231025928115303
10 ms 108.162.193.121
159 2026-08-23 17:23 639231025928115303
10 ms 172.64.33.121
158 2026-08-23 17:23 639231025928115303
10 ms 173.245.59.121
157 2026-08-23 16:31 639230994250157583
23 ms 108.162.193.121
156 2026-08-23 16:31 639230994250157583
23 ms 172.64.33.121
155 2026-08-23 16:31 639230994250157583
23 ms 173.245.59.121
154 2026-08-23 16:14 639230984476411369
5 ms 108.162.193.121
153 2026-08-23 16:14 639230984476411369
5 ms 172.64.33.121
152 2026-08-23 16:14 639230984476411369
5 ms 173.245.59.121
151 2026-08-23 15:58 639230974838373450
8 ms 108.162.193.121
150 2026-08-23 15:58 639230974838373450
8 ms 172.64.33.121
149 2026-08-23 15:58 639230974838373450
8 ms 173.245.59.121
148 2026-08-23 15:42 639230965244277645
92 ms 108.162.193.121
147 2026-08-23 15:42 639230965244277645
92 ms 172.64.33.121
146 2026-08-23 15:42 639230965244277645
92 ms 173.245.59.121
145 2026-08-23 15:26 639230955522101820
25 ms 108.162.193.121
144 2026-08-23 15:26 639230955522101820
25 ms 172.64.33.121
143 2026-08-23 15:26 639230955522101820
25 ms 173.245.59.121
142 2026-08-23 15:10 639230945754521603
6 ms 108.162.193.121
141 2026-08-23 15:10 639230945754521603
6 ms 172.64.33.121
140 2026-08-23 15:10 639230945754521603
6 ms 173.245.59.121
139 2026-08-23 14:53 639230935852040504
30 ms 172.64.33.121
138 2026-08-23 14:53 639230935852040504
30 ms 173.245.59.121
137 2026-08-23 14:53 639230935852040504
30 ms 108.162.193.121
136 2026-08-23 14:37 639230926222061048
4 ms 108.162.193.121
135 2026-08-23 14:37 639230926222061048
4 ms 172.64.33.121
134 2026-08-23 14:37 639230926222061048
4 ms 173.245.59.121
133 2026-08-23 14:21 639230916449726907
111 ms 108.162.193.121
132 2026-08-23 14:21 639230916449726907
111 ms 172.64.33.121
131 2026-08-23 14:21 639230916449726907
111 ms 173.245.59.121
130 2026-08-23 14:05 639230906595053086
109 ms 108.162.193.121
129 2026-08-23 14:05 639230906595053086
109 ms 172.64.33.121
128 2026-08-23 14:05 639230906595053086
109 ms 173.245.59.121
127 2026-08-23 13:48 639230896680429441
80 ms 108.162.193.121
126 2026-08-23 13:48 639230896680429441
80 ms 172.64.33.121
125 2026-08-23 13:48 639230896680429441
80 ms 173.245.59.121
124 2026-08-23 13:31 639230886630210965
6 ms 108.162.193.121
123 2026-08-23 13:31 639230886630210965
6 ms 172.64.33.121
122 2026-08-23 13:31 639230886630210965
6 ms 173.245.59.121
121 2026-08-23 12:39 639230855430405719
8 ms 108.162.193.121
120 2026-08-23 12:39 639230855430405719
8 ms 172.64.33.121
119 2026-08-23 12:39 639230855430405719
8 ms 173.245.59.121
118 2026-08-23 12:23 639230845707499136
6 ms 108.162.193.121
117 2026-08-23 12:23 639230845707499136
6 ms 172.64.33.121
116 2026-08-23 12:23 639230845707499136
6 ms 173.245.59.121
115 2026-08-23 12:07 639230836186805419
33 ms 172.64.33.121
114 2026-08-23 12:07 639230836186805419
33 ms 173.245.59.121
113 2026-08-23 12:07 639230836186805419
33 ms 108.162.193.121
112 2026-08-23 11:51 639230826493828316
7 ms 108.162.193.121
111 2026-08-23 11:51 639230826493828316
7 ms 172.64.33.121
110 2026-08-23 11:51 639230826493828316
7 ms 173.245.59.121
109 2026-08-23 11:35 639230816817882996
86 ms 108.162.193.121
108 2026-08-23 11:35 639230816817882996
86 ms 172.64.33.121
107 2026-08-23 11:35 639230816817882996
86 ms 173.245.59.121
106 2026-08-23 11:19 639230806933854189
26 ms 108.162.193.121
105 2026-08-23 11:19 639230806933854189
26 ms 172.64.33.121
104 2026-08-23 11:19 639230806933854189
26 ms 173.245.59.121
103 2026-08-23 11:02 639230797120243854
28 ms 108.162.193.121
102 2026-08-23 11:02 639230797120243854
28 ms 172.64.33.121
101 2026-08-23 11:02 639230797120243854
28 ms 173.245.59.121
100 2026-08-23 10:46 639230787310272840
34 ms 173.245.59.121
99 2026-08-23 10:46 639230787310272840
34 ms 172.64.33.121
98 2026-08-23 10:46 639230787310272840
34 ms 108.162.193.121
97 2026-08-23 10:30 639230777600173142
23 ms 108.162.193.121
96 2026-08-23 10:30 639230777600173142
23 ms 172.64.33.121
95 2026-08-23 10:30 639230777600173142
23 ms 173.245.59.121
94 2026-08-23 10:13 639230767665024593
28 ms 108.162.193.121
93 2026-08-23 10:13 639230767665024593
28 ms 172.64.33.121
92 2026-08-23 10:13 639230767665024593
28 ms 173.245.59.121
91 2026-08-23 09:56 639230757720962293
23 ms 108.162.193.121
90 2026-08-23 09:56 639230757720962293
23 ms 172.64.33.121
89 2026-08-23 09:56 639230757720962293
23 ms 173.245.59.121
88 2026-08-23 09:40 639230747722189784
71 ms 108.162.193.121
87 2026-08-23 09:40 639230747722189784
71 ms 172.64.33.121
86 2026-08-23 09:40 639230747722189784
71 ms 173.245.59.121
85 2026-08-23 08:48 639230716313923480
32 ms 108.162.193.121
84 2026-08-23 08:48 639230716313923480
32 ms 172.64.33.121
83 2026-08-23 08:48 639230716313923480
32 ms 173.245.59.121
82 2026-08-23 08:32 639230706813835990
9 ms 108.162.193.121
81 2026-08-23 08:32 639230706813835990
9 ms 172.64.33.121
80 2026-08-23 08:32 639230706813835990
9 ms 173.245.59.121
79 2026-08-23 08:15 639230696871062203
37 ms 108.162.193.121
78 2026-08-23 08:15 639230696871062203
37 ms 172.64.33.121
77 2026-08-23 08:15 639230696871062203
37 ms 173.245.59.121
76 2026-08-23 07:59 639230687142781616
21 ms 108.162.193.121
75 2026-08-23 07:59 639230687142781616
21 ms 172.64.33.121
74 2026-08-23 07:59 639230687142781616
21 ms 173.245.59.121
73 2026-08-23 07:43 639230677432142227
23 ms 108.162.193.121
72 2026-08-23 07:43 639230677432142227
23 ms 172.64.33.121
71 2026-08-23 07:43 639230677432142227
23 ms 173.245.59.121
70 2026-08-23 07:26 639230667686258061
10 ms 108.162.193.121
69 2026-08-23 07:26 639230667686258061
10 ms 172.64.33.121
68 2026-08-23 07:26 639230667686258061
10 ms 173.245.59.121
67 2026-08-23 07:10 639230658039243685
29 ms 108.162.193.121
66 2026-08-23 07:10 639230658039243685
29 ms 172.64.33.121
65 2026-08-23 07:10 639230658039243685
29 ms 173.245.59.121
64 2026-08-23 06:54 639230648468473803
136 ms 108.162.193.121
63 2026-08-23 06:54 639230648468473803
136 ms 172.64.33.121
62 2026-08-23 06:54 639230648468473803
136 ms 173.245.59.121
61 2026-08-23 06:38 639230638829658294
-
60 2026-08-23 06:22 639230629247017617
26 ms 108.162.193.121
59 2026-08-23 06:22 639230629247017617
26 ms 172.64.33.121
58 2026-08-23 06:22 639230629247017617
26 ms 173.245.59.121
57 2026-08-23 06:06 639230619625318239
12 ms 108.162.193.121
56 2026-08-23 06:06 639230619625318239
12 ms 172.64.33.121
55 2026-08-23 06:06 639230619625318239
12 ms 173.245.59.121
54 2026-08-23 05:50 639230609697630264
165 ms 108.162.193.121
53 2026-08-23 05:50 639230609697630264
165 ms 172.64.33.121
52 2026-08-23 05:50 639230609697630264
165 ms 173.245.59.121
51 2026-08-23 04:58 639230578570131864
19 ms 108.162.193.121
50 2026-08-23 04:58 639230578570131864
19 ms 172.64.33.121
49 2026-08-23 04:58 639230578570131864
19 ms 173.245.59.121
48 2026-08-23 04:42 639230568958963168
2023 ms 108.162.193.121
47 2026-08-23 04:42 639230568958963168
2023 ms 172.64.33.121
46 2026-08-23 04:42 639230568958963168
2023 ms 173.245.59.121
45 2026-08-23 04:26 639230559287611211
89 ms 108.162.193.121
44 2026-08-23 04:26 639230559287611211
89 ms 172.64.33.121
43 2026-08-23 04:26 639230559287611211
89 ms 173.245.59.121
42 2026-08-23 04:10 639230549524312030
11 ms 108.162.193.121
41 2026-08-23 04:10 639230549524312030
11 ms 172.64.33.121
40 2026-08-23 04:10 639230549524312030
11 ms 173.245.59.121
39 2026-08-23 03:53 639230539739801669
30 ms 108.162.193.121
38 2026-08-23 03:53 639230539739801669
30 ms 172.64.33.121
37 2026-08-23 03:53 639230539739801669
30 ms 173.245.59.121
36 2026-08-23 03:37 639230530084069375
248 ms 108.162.193.121
35 2026-08-23 03:37 639230530084069375
248 ms 172.64.33.121
34 2026-08-23 03:37 639230530084069375
248 ms 173.245.59.121
33 2026-08-23 03:21 639230520362691441
138 ms 108.162.193.121
32 2026-08-23 03:21 639230520362691441
138 ms 172.64.33.121
31 2026-08-23 03:21 639230520362691441
138 ms 173.245.59.121
30 2026-08-23 03:05 639230510677194518
104 ms 108.162.193.121
29 2026-08-23 03:05 639230510677194518
104 ms 172.64.33.121
28 2026-08-23 03:05 639230510677194518
104 ms 173.245.59.121
27 2026-08-23 02:49 639230501156002646
141 ms 108.162.193.121
26 2026-08-23 02:49 639230501156002646
141 ms 172.64.33.121
25 2026-08-23 02:49 639230501156002646
141 ms 173.245.59.121
24 2026-08-23 02:33 639230491502198541
38 ms 108.162.193.121
23 2026-08-23 02:33 639230491502198541
38 ms 172.64.33.121
22 2026-08-23 02:33 639230491502198541
38 ms 173.245.59.121
21 2026-08-23 02:17 639230481860318494
201 ms 108.162.193.121
20 2026-08-23 02:17 639230481860318494
201 ms 172.64.33.121
19 2026-08-23 02:17 639230481860318494
201 ms 173.245.59.121
18 2026-08-23 02:00 639230471893008575
22 ms 108.162.193.121
17 2026-08-23 02:00 639230471893008575
22 ms 172.64.33.121
16 2026-08-23 02:00 639230471893008575
22 ms 173.245.59.121
15 2026-08-23 01:07 639230440030877421
30 ms 108.162.193.121
14 2026-08-23 01:07 639230440030877421
30 ms 172.64.33.121
13 2026-08-23 01:07 639230440030877421
30 ms 173.245.59.121
12 2026-08-23 00:51 639230430479725508
7 ms 108.162.193.121
11 2026-08-23 00:51 639230430479725508
7 ms 172.64.33.121
10 2026-08-23 00:51 639230430479725508
7 ms 173.245.59.121
9 2026-08-23 00:35 639230420875160219
7 ms 108.162.193.121
8 2026-08-23 00:35 639230420875160219
7 ms 172.64.33.121
7 2026-08-23 00:35 639230420875160219
7 ms 173.245.59.121
6 2026-08-23 00:19 639230411240692575
12 ms 108.162.193.121
5 2026-08-23 00:19 639230411240692575
12 ms 172.64.33.121
4 2026-08-23 00:19 639230411240692575
12 ms 173.245.59.121
3 2026-08-23 00:03 639230401550806607
11 ms 108.162.193.121
2 2026-08-23 00:03 639230401550806607
11 ms 172.64.33.121
1 2026-08-23 00:03 639230401550806607
11 ms 173.245.59.121