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 2026-08-19. For this date, NameServerHistory found 225 DNS check records, 225 successful responses, 0 failed responses, and 65 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

225

Historical checks stored for this nameserver on selected date

Average Latency

65 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-19 23:56

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

225

Checks that returned a measurable response

Failed Responses

0

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 2026-08-19 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
225 2026-08-19 23:56 639227805445376839
35 ms 108.162.193.121
224 2026-08-19 23:56 639227805445376839
35 ms 172.64.33.121
223 2026-08-19 23:56 639227805445376839
35 ms 173.245.59.121
222 2026-08-19 23:40 639227795899225951
35 ms 108.162.193.121
221 2026-08-19 23:40 639227795899225951
35 ms 172.64.33.121
220 2026-08-19 23:40 639227795899225951
35 ms 173.245.59.121
219 2026-08-19 23:24 639227786351762008
67 ms 108.162.193.121
218 2026-08-19 23:24 639227786351762008
67 ms 172.64.33.121
217 2026-08-19 23:24 639227786351762008
67 ms 173.245.59.121
216 2026-08-19 23:08 639227776640591733
18 ms 108.162.193.121
215 2026-08-19 23:08 639227776640591733
18 ms 172.64.33.121
214 2026-08-19 23:08 639227776640591733
18 ms 173.245.59.121
213 2026-08-19 22:52 639227767128841282
15 ms 108.162.193.121
212 2026-08-19 22:52 639227767128841282
15 ms 172.64.33.121
211 2026-08-19 22:52 639227767128841282
15 ms 173.245.59.121
210 2026-08-19 22:36 639227757477304711
26 ms 108.162.193.121
209 2026-08-19 22:36 639227757477304711
26 ms 172.64.33.121
208 2026-08-19 22:36 639227757477304711
26 ms 173.245.59.121
207 2026-08-19 22:20 639227747572098014
13 ms 108.162.193.121
206 2026-08-19 22:20 639227747572098014
13 ms 172.64.33.121
205 2026-08-19 22:20 639227747572098014
13 ms 173.245.59.121
204 2026-08-19 22:03 639227737588613113
37 ms 108.162.193.121
203 2026-08-19 22:03 639227737588613113
37 ms 172.64.33.121
202 2026-08-19 22:03 639227737588613113
37 ms 173.245.59.121
201 2026-08-19 21:10 639227706134603955
8 ms 108.162.193.121
200 2026-08-19 21:10 639227706134603955
8 ms 172.64.33.121
199 2026-08-19 21:10 639227706134603955
8 ms 173.245.59.121
198 2026-08-19 20:55 639227696589027396
11 ms 108.162.193.121
197 2026-08-19 20:55 639227696589027396
11 ms 172.64.33.121
196 2026-08-19 20:55 639227696589027396
11 ms 173.245.59.121
195 2026-08-19 20:39 639227687097707639
21 ms 173.245.59.121
194 2026-08-19 20:39 639227687097707639
21 ms 108.162.193.121
193 2026-08-19 20:39 639227687097707639
21 ms 172.64.33.121
192 2026-08-19 20:23 639227677474464487
22 ms 108.162.193.121
191 2026-08-19 20:23 639227677474464487
22 ms 172.64.33.121
190 2026-08-19 20:23 639227677474464487
22 ms 173.245.59.121
189 2026-08-19 20:07 639227667767441118
37 ms 108.162.193.121
188 2026-08-19 20:07 639227667767441118
37 ms 173.245.59.121
187 2026-08-19 20:07 639227667767441118
37 ms 172.64.33.121
186 2026-08-19 19:50 639227657984833832
30 ms 108.162.193.121
185 2026-08-19 19:50 639227657984833832
30 ms 172.64.33.121
184 2026-08-19 19:50 639227657984833832
30 ms 173.245.59.121
183 2026-08-19 19:34 639227648079992640
9 ms 108.162.193.121
182 2026-08-19 19:34 639227648079992640
9 ms 172.64.33.121
181 2026-08-19 19:34 639227648079992640
9 ms 173.245.59.121
180 2026-08-19 19:17 639227638125048441
39 ms 108.162.193.121
179 2026-08-19 19:17 639227638125048441
39 ms 172.64.33.121
178 2026-08-19 19:17 639227638125048441
39 ms 173.245.59.121
177 2026-08-19 19:01 639227628211392142
10 ms 108.162.193.121
176 2026-08-19 19:01 639227628211392142
10 ms 172.64.33.121
175 2026-08-19 19:01 639227628211392142
10 ms 173.245.59.121
174 2026-08-19 18:44 639227618261696275
86 ms 108.162.193.121
173 2026-08-19 18:44 639227618261696275
86 ms 172.64.33.121
172 2026-08-19 18:44 639227618261696275
86 ms 173.245.59.121
171 2026-08-19 18:28 639227608366233645
37 ms 108.162.193.121
170 2026-08-19 18:28 639227608366233645
37 ms 172.64.33.121
169 2026-08-19 18:28 639227608366233645
37 ms 173.245.59.121
168 2026-08-19 18:11 639227598301787588
22 ms 108.162.193.121
167 2026-08-19 18:11 639227598301787588
22 ms 172.64.33.121
166 2026-08-19 18:11 639227598301787588
22 ms 173.245.59.121
165 2026-08-19 17:17 639227566241010716
161 ms 108.162.193.121
164 2026-08-19 17:17 639227566241010716
161 ms 172.64.33.121
163 2026-08-19 17:17 639227566241010716
161 ms 173.245.59.121
162 2026-08-19 17:01 639227556454538959
32 ms 108.162.193.121
161 2026-08-19 17:01 639227556454538959
32 ms 172.64.33.121
160 2026-08-19 17:01 639227556454538959
32 ms 173.245.59.121
159 2026-08-19 16:45 639227546640305542
124 ms 108.162.193.121
158 2026-08-19 16:45 639227546640305542
124 ms 172.64.33.121
157 2026-08-19 16:45 639227546640305542
124 ms 173.245.59.121
156 2026-08-19 16:29 639227536965466472
171 ms 108.162.193.121
155 2026-08-19 16:29 639227536965466472
171 ms 172.64.33.121
154 2026-08-19 16:29 639227536965466472
171 ms 173.245.59.121
153 2026-08-19 16:12 639227527048658280
6 ms 108.162.193.121
152 2026-08-19 16:12 639227527048658280
6 ms 172.64.33.121
151 2026-08-19 16:12 639227527048658280
6 ms 173.245.59.121
150 2026-08-19 15:56 639227517386634438
13 ms 108.162.193.121
149 2026-08-19 15:56 639227517386634438
13 ms 172.64.33.121
148 2026-08-19 15:56 639227517386634438
13 ms 173.245.59.121
147 2026-08-19 15:39 639227507459551637
147 ms 108.162.193.121
146 2026-08-19 15:39 639227507459551637
147 ms 172.64.33.121
145 2026-08-19 15:39 639227507459551637
147 ms 173.245.59.121
144 2026-08-19 15:23 639227497515595277
149 ms 108.162.193.121
143 2026-08-19 15:23 639227497515595277
149 ms 172.64.33.121
142 2026-08-19 15:23 639227497515595277
149 ms 173.245.59.121
141 2026-08-19 15:06 639227487441798036
15 ms 108.162.193.121
140 2026-08-19 15:06 639227487441798036
15 ms 172.64.33.121
139 2026-08-19 15:06 639227487441798036
15 ms 173.245.59.121
138 2026-08-19 14:49 639227477445551863
28 ms 108.162.193.121
137 2026-08-19 14:49 639227477445551863
28 ms 172.64.33.121
136 2026-08-19 14:49 639227477445551863
28 ms 173.245.59.121
135 2026-08-19 14:32 639227467297067891
25 ms 108.162.193.121
134 2026-08-19 14:32 639227467297067891
25 ms 172.64.33.121
133 2026-08-19 14:32 639227467297067891
25 ms 173.245.59.121
132 2026-08-19 14:15 639227457057795635
151 ms 108.162.193.121
131 2026-08-19 14:15 639227457057795635
151 ms 172.64.33.121
130 2026-08-19 14:15 639227457057795635
151 ms 173.245.59.121
129 2026-08-19 13:22 639227425244777397
70 ms 108.162.193.121
128 2026-08-19 13:22 639227425244777397
70 ms 172.64.33.121
127 2026-08-19 13:22 639227425244777397
70 ms 173.245.59.121
126 2026-08-19 13:06 639227415422116485
22 ms 108.162.193.121
125 2026-08-19 13:06 639227415422116485
22 ms 172.64.33.121
124 2026-08-19 13:06 639227415422116485
22 ms 173.245.59.121
123 2026-08-19 12:49 639227405307256053
42 ms 108.162.193.121
122 2026-08-19 12:49 639227405307256053
42 ms 172.64.33.121
121 2026-08-19 12:49 639227405307256053
42 ms 173.245.59.121
120 2026-08-19 12:33 639227395396602630
121 ms 108.162.193.121
119 2026-08-19 12:33 639227395396602630
121 ms 172.64.33.121
118 2026-08-19 12:33 639227395396602630
121 ms 173.245.59.121
117 2026-08-19 12:16 639227385510363611
20 ms 108.162.193.121
116 2026-08-19 12:16 639227385510363611
20 ms 172.64.33.121
115 2026-08-19 12:16 639227385510363611
20 ms 173.245.59.121
114 2026-08-19 11:59 639227375508324850
19 ms 108.162.193.121
113 2026-08-19 11:59 639227375508324850
19 ms 172.64.33.121
112 2026-08-19 11:59 639227375508324850
19 ms 173.245.59.121
111 2026-08-19 11:42 639227365326611906
193 ms 108.162.193.121
110 2026-08-19 11:42 639227365326611906
193 ms 172.64.33.121
109 2026-08-19 11:42 639227365326611906
193 ms 173.245.59.121
108 2026-08-19 11:26 639227355360014208
18 ms 108.162.193.121
107 2026-08-19 11:26 639227355360014208
18 ms 172.64.33.121
106 2026-08-19 11:26 639227355360014208
18 ms 173.245.59.121
105 2026-08-19 11:09 639227345036782165
33 ms 108.162.193.121
104 2026-08-19 11:09 639227345036782165
33 ms 172.64.33.121
103 2026-08-19 11:09 639227345036782165
33 ms 173.245.59.121
102 2026-08-19 10:52 639227334992964533
16 ms 108.162.193.121
101 2026-08-19 10:52 639227334992964533
16 ms 172.64.33.121
100 2026-08-19 10:52 639227334992964533
16 ms 173.245.59.121
99 2026-08-19 10:35 639227324986605572
28 ms 108.162.193.121
98 2026-08-19 10:35 639227324986605572
28 ms 172.64.33.121
97 2026-08-19 10:35 639227324986605572
28 ms 173.245.59.121
96 2026-08-19 10:19 639227314928414539
78 ms 108.162.193.121
95 2026-08-19 10:19 639227314928414539
78 ms 172.64.33.121
94 2026-08-19 10:19 639227314928414539
78 ms 173.245.59.121
93 2026-08-19 09:25 639227283029182134
19 ms 108.162.193.121
92 2026-08-19 09:25 639227283029182134
19 ms 172.64.33.121
91 2026-08-19 09:25 639227283029182134
19 ms 173.245.59.121
90 2026-08-19 09:09 639227273294779350
22 ms 108.162.193.121
89 2026-08-19 09:09 639227273294779350
22 ms 172.64.33.121
88 2026-08-19 09:09 639227273294779350
22 ms 173.245.59.121
87 2026-08-19 08:53 639227263525231313
23 ms 108.162.193.121
86 2026-08-19 08:53 639227263525231313
23 ms 172.64.33.121
85 2026-08-19 08:53 639227263525231313
23 ms 173.245.59.121
84 2026-08-19 08:36 639227253578313363
151 ms 108.162.193.121
83 2026-08-19 08:36 639227253578313363
151 ms 172.64.33.121
82 2026-08-19 08:36 639227253578313363
151 ms 173.245.59.121
81 2026-08-19 08:20 639227243649973322
30 ms 108.162.193.121
80 2026-08-19 08:20 639227243649973322
30 ms 172.64.33.121
79 2026-08-19 08:20 639227243649973322
30 ms 173.245.59.121
78 2026-08-19 08:03 639227233581059317
40 ms 108.162.193.121
77 2026-08-19 08:03 639227233581059317
40 ms 172.64.33.121
76 2026-08-19 08:03 639227233581059317
40 ms 173.245.59.121
75 2026-08-19 07:46 639227223667352067
47 ms 108.162.193.121
74 2026-08-19 07:46 639227223667352067
47 ms 172.64.33.121
73 2026-08-19 07:46 639227223667352067
47 ms 173.245.59.121
72 2026-08-19 07:30 639227213714837066
125 ms 108.162.193.121
71 2026-08-19 07:30 639227213714837066
125 ms 172.64.33.121
70 2026-08-19 07:30 639227213714837066
125 ms 173.245.59.121
69 2026-08-19 07:13 639227203701208496
6 ms 108.162.193.121
68 2026-08-19 07:13 639227203701208496
6 ms 172.64.33.121
67 2026-08-19 07:13 639227203701208496
6 ms 173.245.59.121
66 2026-08-19 06:56 639227193643202179
92 ms 108.162.193.121
65 2026-08-19 06:56 639227193643202179
92 ms 172.64.33.121
64 2026-08-19 06:56 639227193643202179
92 ms 173.245.59.121
63 2026-08-19 06:40 639227183584431597
104 ms 108.162.193.121
62 2026-08-19 06:40 639227183584431597
104 ms 172.64.33.121
61 2026-08-19 06:40 639227183584431597
104 ms 173.245.59.121
60 2026-08-19 06:23 639227173347403088
381 ms 108.162.193.121
59 2026-08-19 06:23 639227173347403088
381 ms 172.64.33.121
58 2026-08-19 06:23 639227173347403088
381 ms 173.245.59.121
57 2026-08-19 05:29 639227141523007601
213 ms 108.162.193.121
56 2026-08-19 05:29 639227141523007601
213 ms 172.64.33.121
55 2026-08-19 05:29 639227141523007601
213 ms 173.245.59.121
54 2026-08-19 05:13 639227131785931574
35 ms 108.162.193.121
53 2026-08-19 05:13 639227131785931574
35 ms 172.64.33.121
52 2026-08-19 05:13 639227131785931574
35 ms 173.245.59.121
51 2026-08-19 04:57 639227122176475389
32 ms 108.162.193.121
50 2026-08-19 04:57 639227122176475389
32 ms 172.64.33.121
49 2026-08-19 04:57 639227122176475389
32 ms 173.245.59.121
48 2026-08-19 04:41 639227112668934596
22 ms 108.162.193.121
47 2026-08-19 04:41 639227112668934596
22 ms 172.64.33.121
46 2026-08-19 04:41 639227112668934596
22 ms 173.245.59.121
45 2026-08-19 04:25 639227102773292788
8 ms 108.162.193.121
44 2026-08-19 04:25 639227102773292788
8 ms 172.64.33.121
43 2026-08-19 04:25 639227102773292788
8 ms 173.245.59.121
42 2026-08-19 04:09 639227093141136930
41 ms 108.162.193.121
41 2026-08-19 04:09 639227093141136930
41 ms 172.64.33.121
40 2026-08-19 04:09 639227093141136930
41 ms 173.245.59.121
39 2026-08-19 03:53 639227083449420147
36 ms 108.162.193.121
38 2026-08-19 03:53 639227083449420147
36 ms 172.64.33.121
37 2026-08-19 03:53 639227083449420147
36 ms 173.245.59.121
36 2026-08-19 03:37 639227073771748493
213 ms 108.162.193.121
35 2026-08-19 03:37 639227073771748493
213 ms 172.64.33.121
34 2026-08-19 03:37 639227073771748493
213 ms 173.245.59.121
33 2026-08-19 03:20 639227063977347614
5 ms 108.162.193.121
32 2026-08-19 03:20 639227063977347614
5 ms 172.64.33.121
31 2026-08-19 03:20 639227063977347614
5 ms 173.245.59.121
30 2026-08-19 03:04 639227054253519024
26 ms 108.162.193.121
29 2026-08-19 03:04 639227054253519024
26 ms 172.64.33.121
28 2026-08-19 03:04 639227054253519024
26 ms 173.245.59.121
27 2026-08-19 02:48 639227044381963886
227 ms 108.162.193.121
26 2026-08-19 02:48 639227044381963886
227 ms 172.64.33.121
25 2026-08-19 02:48 639227044381963886
227 ms 173.245.59.121
24 2026-08-19 02:31 639227034441085514
55 ms 108.162.193.121
23 2026-08-19 02:31 639227034441085514
55 ms 172.64.33.121
22 2026-08-19 02:31 639227034441085514
55 ms 173.245.59.121
21 2026-08-19 01:39 639227003126489968
35 ms 108.162.193.121
20 2026-08-19 01:39 639227003126489968
35 ms 172.64.33.121
19 2026-08-19 01:39 639227003126489968
35 ms 173.245.59.121
18 2026-08-19 01:23 639226993456311614
46 ms 108.162.193.121
17 2026-08-19 01:23 639226993456311614
46 ms 172.64.33.121
16 2026-08-19 01:23 639226993456311614
46 ms 173.245.59.121
15 2026-08-19 01:07 639226983847312345
15 ms 108.162.193.121
14 2026-08-19 01:07 639226983847312345
15 ms 172.64.33.121
13 2026-08-19 01:07 639226983847312345
15 ms 173.245.59.121
12 2026-08-19 00:51 639226974357874853
44 ms 108.162.193.121
11 2026-08-19 00:51 639226974357874853
44 ms 172.64.33.121
10 2026-08-19 00:51 639226974357874853
44 ms 173.245.59.121
9 2026-08-19 00:35 639226964670484721
172 ms 108.162.193.121
8 2026-08-19 00:35 639226964670484721
172 ms 172.64.33.121
7 2026-08-19 00:35 639226964670484721
172 ms 173.245.59.121
6 2026-08-19 00:18 639226954857899696
204 ms 108.162.193.121
5 2026-08-19 00:18 639226954857899696
204 ms 172.64.33.121
4 2026-08-19 00:18 639226954857899696
204 ms 173.245.59.121
3 2026-08-19 00:02 639226945091603488
118 ms 108.162.193.121
2 2026-08-19 00:02 639226945091603488
118 ms 172.64.33.121
1 2026-08-19 00:02 639226945091603488
118 ms 173.245.59.121