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 2026-08-21. For this date, NameServerHistory found 214 DNS check records, 213 successful responses, 1 failed responses, and 45 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

214

Historical checks stored for this nameserver on selected date

Average Latency

45 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-21 23:46

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

213

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 2026-08-21 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
214 2026-08-21 23:46 639229527598660841
21 ms 108.162.193.121
213 2026-08-21 23:46 639229527598660841
21 ms 172.64.33.121
212 2026-08-21 23:46 639229527598660841
21 ms 173.245.59.121
211 2026-08-21 23:30 639229517954323214
6 ms 108.162.193.121
210 2026-08-21 23:30 639229517954323214
6 ms 172.64.33.121
209 2026-08-21 23:30 639229517954323214
6 ms 173.245.59.121
208 2026-08-21 23:14 639229508269999021
31 ms 108.162.193.121
207 2026-08-21 23:14 639229508269999021
31 ms 172.64.33.121
206 2026-08-21 23:14 639229508269999021
31 ms 173.245.59.121
205 2026-08-21 22:58 639229498559060171
6 ms 108.162.193.121
204 2026-08-21 22:58 639229498559060171
6 ms 172.64.33.121
203 2026-08-21 22:58 639229498559060171
6 ms 173.245.59.121
202 2026-08-21 22:41 639229488519347586
25 ms 108.162.193.121
201 2026-08-21 22:41 639229488519347586
25 ms 172.64.33.121
200 2026-08-21 22:41 639229488519347586
25 ms 173.245.59.121
199 2026-08-21 21:48 639229456606578934
39 ms 108.162.193.121
198 2026-08-21 21:48 639229456606578934
39 ms 172.64.33.121
197 2026-08-21 21:48 639229456606578934
39 ms 173.245.59.121
196 2026-08-21 21:32 639229446985772499
28 ms 108.162.193.121
195 2026-08-21 21:32 639229446985772499
28 ms 172.64.33.121
194 2026-08-21 21:32 639229446985772499
28 ms 173.245.59.121
193 2026-08-21 21:16 639229437367313098
24 ms 108.162.193.121
192 2026-08-21 21:16 639229437367313098
24 ms 172.64.33.121
191 2026-08-21 21:16 639229437367313098
24 ms 173.245.59.121
190 2026-08-21 21:00 639229427923950391
5 ms 108.162.193.121
189 2026-08-21 21:00 639229427923950391
5 ms 172.64.33.121
188 2026-08-21 21:00 639229427923950391
5 ms 173.245.59.121
187 2026-08-21 20:44 639229418168588854
5 ms 108.162.193.121
186 2026-08-21 20:44 639229418168588854
5 ms 172.64.33.121
185 2026-08-21 20:44 639229418168588854
5 ms 173.245.59.121
184 2026-08-21 20:28 639229408345678334
24 ms 108.162.193.121
183 2026-08-21 20:28 639229408345678334
24 ms 172.64.33.121
182 2026-08-21 20:28 639229408345678334
24 ms 173.245.59.121
181 2026-08-21 20:11 639229398616354648
19 ms 108.162.193.121
180 2026-08-21 20:11 639229398616354648
19 ms 172.64.33.121
179 2026-08-21 20:11 639229398616354648
19 ms 173.245.59.121
178 2026-08-21 19:55 639229388634592323
47 ms 108.162.193.121
177 2026-08-21 19:55 639229388634592323
47 ms 172.64.33.121
176 2026-08-21 19:55 639229388634592323
47 ms 173.245.59.121
175 2026-08-21 19:38 639229378792837692
31 ms 108.162.193.121
174 2026-08-21 19:38 639229378792837692
31 ms 172.64.33.121
173 2026-08-21 19:38 639229378792837692
31 ms 173.245.59.121
172 2026-08-21 19:22 639229369154682311
156 ms 108.162.193.121
171 2026-08-21 19:22 639229369154682311
156 ms 172.64.33.121
170 2026-08-21 19:22 639229369154682311
156 ms 173.245.59.121
169 2026-08-21 19:06 639229359248017926
43 ms 108.162.193.121
168 2026-08-21 19:06 639229359248017926
43 ms 172.64.33.121
167 2026-08-21 19:06 639229359248017926
43 ms 173.245.59.121
166 2026-08-21 18:49 639229349124294642
86 ms 108.162.193.121
165 2026-08-21 18:49 639229349124294642
86 ms 172.64.33.121
164 2026-08-21 18:49 639229349124294642
86 ms 173.245.59.121
163 2026-08-21 17:57 639229317791715692
16 ms 108.162.193.121
162 2026-08-21 17:57 639229317791715692
16 ms 172.64.33.121
161 2026-08-21 17:57 639229317791715692
16 ms 173.245.59.121
160 2026-08-21 17:40 639229308115194575
6 ms 108.162.193.121
159 2026-08-21 17:40 639229308115194575
6 ms 172.64.33.121
158 2026-08-21 17:40 639229308115194575
6 ms 173.245.59.121
157 2026-08-21 17:24 639229298320320558
21 ms 108.162.193.121
156 2026-08-21 17:24 639229298320320558
21 ms 172.64.33.121
155 2026-08-21 17:24 639229298320320558
21 ms 173.245.59.121
154 2026-08-21 17:08 639229288674863221
5 ms 108.162.193.121
153 2026-08-21 17:08 639229288674863221
5 ms 172.64.33.121
152 2026-08-21 17:08 639229288674863221
5 ms 173.245.59.121
151 2026-08-21 16:52 639229278983677079
7 ms 108.162.193.121
150 2026-08-21 16:52 639229278983677079
7 ms 172.64.33.121
149 2026-08-21 16:52 639229278983677079
7 ms 173.245.59.121
148 2026-08-21 16:36 639229269405517175
34 ms 108.162.193.121
147 2026-08-21 16:36 639229269405517175
34 ms 172.64.33.121
146 2026-08-21 16:36 639229269405517175
34 ms 173.245.59.121
145 2026-08-21 16:20 639229259594798244
58 ms 108.162.193.121
144 2026-08-21 16:20 639229259594798244
58 ms 172.64.33.121
143 2026-08-21 16:20 639229259594798244
58 ms 173.245.59.121
142 2026-08-21 16:03 639229249736681188
15 ms 108.162.193.121
141 2026-08-21 16:03 639229249736681188
15 ms 172.64.33.121
140 2026-08-21 16:03 639229249736681188
15 ms 173.245.59.121
139 2026-08-21 15:46 639229239699417787
29 ms 108.162.193.121
138 2026-08-21 15:46 639229239699417787
29 ms 172.64.33.121
137 2026-08-21 15:46 639229239699417787
29 ms 173.245.59.121
136 2026-08-21 15:30 639229229621964033
9 ms 108.162.193.121
135 2026-08-21 15:30 639229229621964033
9 ms 172.64.33.121
134 2026-08-21 15:30 639229229621964033
9 ms 173.245.59.121
133 2026-08-21 15:13 639229219567270965
55 ms 108.162.193.121
132 2026-08-21 15:13 639229219567270965
55 ms 172.64.33.121
131 2026-08-21 15:13 639229219567270965
55 ms 173.245.59.121
130 2026-08-21 14:56 639229209406666856
200 ms 108.162.193.121
129 2026-08-21 14:56 639229209406666856
200 ms 172.64.33.121
128 2026-08-21 14:56 639229209406666856
200 ms 173.245.59.121
127 2026-08-21 14:03 639229177815876178
28 ms 108.162.193.121
126 2026-08-21 14:03 639229177815876178
28 ms 172.64.33.121
125 2026-08-21 14:03 639229177815876178
28 ms 173.245.59.121
124 2026-08-21 13:47 639229168243572685
75 ms 108.162.193.121
123 2026-08-21 13:47 639229168243572685
75 ms 172.64.33.121
122 2026-08-21 13:47 639229168243572685
75 ms 173.245.59.121
121 2026-08-21 13:31 639229158599856475
76 ms 108.162.193.121
120 2026-08-21 13:31 639229158599856475
76 ms 172.64.33.121
119 2026-08-21 13:31 639229158599856475
76 ms 173.245.59.121
118 2026-08-21 13:15 639229148998940902
13 ms 108.162.193.121
117 2026-08-21 13:15 639229148998940902
13 ms 172.64.33.121
116 2026-08-21 13:15 639229148998940902
13 ms 173.245.59.121
115 2026-08-21 12:59 639229139276923594
212 ms 108.162.193.121
114 2026-08-21 12:59 639229139276923594
212 ms 172.64.33.121
113 2026-08-21 12:59 639229139276923594
212 ms 173.245.59.121
112 2026-08-21 12:43 639229129709912394
26 ms 108.162.193.121
111 2026-08-21 12:43 639229129709912394
26 ms 172.64.33.121
110 2026-08-21 12:43 639229129709912394
26 ms 173.245.59.121
109 2026-08-21 12:27 639229119801488500
167 ms 108.162.193.121
108 2026-08-21 12:27 639229119801488500
167 ms 172.64.33.121
107 2026-08-21 12:27 639229119801488500
167 ms 173.245.59.121
106 2026-08-21 12:10 639229110135262458
4 ms 108.162.193.121
105 2026-08-21 12:10 639229110135262458
4 ms 172.64.33.121
104 2026-08-21 12:10 639229110135262458
4 ms 173.245.59.121
103 2026-08-21 11:54 639229100336051392
23 ms 108.162.193.121
102 2026-08-21 11:54 639229100336051392
23 ms 172.64.33.121
101 2026-08-21 11:54 639229100336051392
23 ms 173.245.59.121
100 2026-08-21 11:38 639229090641415626
16 ms 108.162.193.121
99 2026-08-21 11:38 639229090641415626
16 ms 172.64.33.121
98 2026-08-21 11:38 639229090641415626
16 ms 173.245.59.121
97 2026-08-21 11:21 639229080702683947
52 ms 108.162.193.121
96 2026-08-21 11:21 639229080702683947
52 ms 172.64.33.121
95 2026-08-21 11:21 639229080702683947
52 ms 173.245.59.121
94 2026-08-21 11:05 639229070601456699
6 ms 108.162.193.121
93 2026-08-21 11:05 639229070601456699
6 ms 172.64.33.121
92 2026-08-21 11:05 639229070601456699
6 ms 173.245.59.121
91 2026-08-21 10:12 639229038947447232
19 ms 108.162.193.121
90 2026-08-21 10:12 639229038947447232
19 ms 172.64.33.121
89 2026-08-21 10:12 639229038947447232
19 ms 173.245.59.121
88 2026-08-21 09:56 639229029268708773
25 ms 108.162.193.121
87 2026-08-21 09:56 639229029268708773
25 ms 172.64.33.121
86 2026-08-21 09:56 639229029268708773
25 ms 173.245.59.121
85 2026-08-21 09:40 639229019647910603
136 ms 108.162.193.121
84 2026-08-21 09:40 639229019647910603
136 ms 172.64.33.121
83 2026-08-21 09:40 639229019647910603
136 ms 173.245.59.121
82 2026-08-21 09:24 639229009983843738
199 ms 108.162.193.121
81 2026-08-21 09:24 639229009983843738
199 ms 172.64.33.121
80 2026-08-21 09:24 639229009983843738
199 ms 173.245.59.121
79 2026-08-21 09:07 639229000203331882
17 ms 108.162.193.121
78 2026-08-21 09:07 639229000203331882
17 ms 172.64.33.121
77 2026-08-21 09:07 639229000203331882
17 ms 173.245.59.121
76 2026-08-21 08:51 639228990302335999
33 ms 108.162.193.121
75 2026-08-21 08:51 639228990302335999
33 ms 172.64.33.121
74 2026-08-21 08:51 639228990302335999
33 ms 173.245.59.121
73 2026-08-21 08:35 639228980567740722
8 ms 108.162.193.121
72 2026-08-21 08:35 639228980567740722
8 ms 172.64.33.121
71 2026-08-21 08:35 639228980567740722
8 ms 173.245.59.121
70 2026-08-21 08:18 639228970762445174
40 ms 108.162.193.121
69 2026-08-21 08:18 639228970762445174
40 ms 172.64.33.121
68 2026-08-21 08:18 639228970762445174
40 ms 173.245.59.121
67 2026-08-21 08:02 639228961065054445
28 ms 172.64.33.121
66 2026-08-21 08:02 639228961065054445
28 ms 173.245.59.121
65 2026-08-21 08:02 639228961065054445
28 ms 108.162.193.121
64 2026-08-21 07:46 639228951224649885
209 ms 108.162.193.121
63 2026-08-21 07:46 639228951224649885
209 ms 172.64.33.121
62 2026-08-21 07:46 639228951224649885
209 ms 173.245.59.121
61 2026-08-21 07:29 639228941303864592
13 ms 172.64.33.121
60 2026-08-21 07:29 639228941303864592
13 ms 173.245.59.121
59 2026-08-21 07:29 639228941303864592
13 ms 108.162.193.121
58 2026-08-21 07:12 639228931191328583
85 ms 108.162.193.121
57 2026-08-21 07:12 639228931191328583
85 ms 172.64.33.121
56 2026-08-21 07:12 639228931191328583
85 ms 173.245.59.121
55 2026-08-21 06:20 639228899518173317
46 ms 108.162.193.121
54 2026-08-21 06:20 639228899518173317
46 ms 172.64.33.121
53 2026-08-21 06:20 639228899518173317
46 ms 173.245.59.121
52 2026-08-21 06:03 639228889785027669
25 ms 108.162.193.121
51 2026-08-21 06:03 639228889785027669
25 ms 173.245.59.121
50 2026-08-21 06:03 639228889785027669
25 ms 172.64.33.121
49 2026-08-21 05:47 639228880106330161
22 ms 108.162.193.121
48 2026-08-21 05:47 639228880106330161
22 ms 172.64.33.121
47 2026-08-21 05:47 639228880106330161
22 ms 173.245.59.121
46 2026-08-21 05:31 639228870316184091
-
45 2026-08-21 05:15 639228860695366512
18 ms 108.162.193.121
44 2026-08-21 05:15 639228860695366512
18 ms 172.64.33.121
43 2026-08-21 05:15 639228860695366512
18 ms 173.245.59.121
42 2026-08-21 04:59 639228851027209500
47 ms 108.162.193.121
41 2026-08-21 04:59 639228851027209500
47 ms 172.64.33.121
40 2026-08-21 04:59 639228851027209500
47 ms 173.245.59.121
39 2026-08-21 04:43 639228841479265462
7 ms 108.162.193.121
38 2026-08-21 04:43 639228841479265462
7 ms 172.64.33.121
37 2026-08-21 04:43 639228841479265462
7 ms 173.245.59.121
36 2026-08-21 04:27 639228831752962260
150 ms 108.162.193.121
35 2026-08-21 04:27 639228831752962260
150 ms 172.64.33.121
34 2026-08-21 04:27 639228831752962260
150 ms 173.245.59.121
33 2026-08-21 04:10 639228821953295483
121 ms 108.162.193.121
32 2026-08-21 04:10 639228821953295483
121 ms 172.64.33.121
31 2026-08-21 04:10 639228821953295483
121 ms 173.245.59.121
30 2026-08-21 03:54 639228812227429953
35 ms 108.162.193.121
29 2026-08-21 03:54 639228812227429953
35 ms 172.64.33.121
28 2026-08-21 03:54 639228812227429953
35 ms 173.245.59.121
27 2026-08-21 03:38 639228802476107538
7 ms 108.162.193.121
26 2026-08-21 03:38 639228802476107538
7 ms 172.64.33.121
25 2026-08-21 03:38 639228802476107538
7 ms 173.245.59.121
24 2026-08-21 03:21 639228792525492032
26 ms 108.162.193.121
23 2026-08-21 03:21 639228792525492032
26 ms 172.64.33.121
22 2026-08-21 03:21 639228792525492032
26 ms 173.245.59.121
21 2026-08-21 02:29 639228761131421385
37 ms 108.162.193.121
20 2026-08-21 02:29 639228761131421385
37 ms 172.64.33.121
19 2026-08-21 02:29 639228761131421385
37 ms 173.245.59.121
18 2026-08-21 02:13 639228751571206692
37 ms 108.162.193.121
17 2026-08-21 02:13 639228751571206692
37 ms 172.64.33.121
16 2026-08-21 02:13 639228751571206692
37 ms 173.245.59.121
15 2026-08-21 01:56 639228741705571019
15 ms 173.245.59.121
14 2026-08-21 01:56 639228741705571019
15 ms 108.162.193.121
13 2026-08-21 01:56 639228741705571019
15 ms 172.64.33.121
12 2026-08-21 01:40 639228731642208228
33 ms 108.162.193.121
11 2026-08-21 01:40 639228731642208228
33 ms 172.64.33.121
10 2026-08-21 01:40 639228731642208228
33 ms 173.245.59.121
9 2026-08-21 00:48 639228700387002072
10 ms 108.162.193.121
8 2026-08-21 00:48 639228700387002072
10 ms 172.64.33.121
7 2026-08-21 00:48 639228700387002072
10 ms 173.245.59.121
6 2026-08-21 00:32 639228690742014433
6 ms 108.162.193.121
5 2026-08-21 00:32 639228690742014433
6 ms 172.64.33.121
4 2026-08-21 00:32 639228690742014433
6 ms 173.245.59.121
3 2026-08-21 00:15 639228680877937122
5 ms 108.162.193.121
2 2026-08-21 00:15 639228680877937122
5 ms 172.64.33.121
1 2026-08-21 00:15 639228680877937122
5 ms 173.245.59.121