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 2026-08-11. For this date, NameServerHistory found 228 DNS check records, 228 successful responses, 0 failed responses, and 232 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

228

Historical checks stored for this nameserver on selected date

Average Latency

232 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-11 23:51

All timestamps shown in UTC

Latest Resolved IP on Selected Date

173.245.59.121

Most recently resolved hosting IP on selected date

Successful Responses

228

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 2026-08-11 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
228 2026-08-11 23:51 639220888396333845
2038 ms 173.245.59.121
227 2026-08-11 23:51 639220888396333845
2038 ms 108.162.193.121
226 2026-08-11 23:51 639220888396333845
2038 ms 172.64.33.121
225 2026-08-11 23:35 639220878864937382
8 ms 108.162.193.121
224 2026-08-11 23:35 639220878864937382
8 ms 172.64.33.121
223 2026-08-11 23:35 639220878864937382
8 ms 173.245.59.121
222 2026-08-11 22:42 639220847369072314
30 ms 108.162.193.121
221 2026-08-11 22:42 639220847369072314
30 ms 172.64.33.121
220 2026-08-11 22:42 639220847369072314
30 ms 173.245.59.121
219 2026-08-11 22:27 639220838037764925
10 ms 108.162.193.121
218 2026-08-11 22:27 639220838037764925
10 ms 172.64.33.121
217 2026-08-11 22:27 639220838037764925
10 ms 173.245.59.121
216 2026-08-11 22:11 639220828735120634
17 ms 108.162.193.121
215 2026-08-11 22:11 639220828735120634
17 ms 172.64.33.121
214 2026-08-11 22:11 639220828735120634
17 ms 173.245.59.121
213 2026-08-11 21:56 639220819447979766
2017 ms 108.162.193.121
212 2026-08-11 21:56 639220819447979766
2017 ms 173.245.59.121
211 2026-08-11 21:56 639220819447979766
2017 ms 172.64.33.121
210 2026-08-11 21:40 639220810056531741
24 ms 172.64.33.121
209 2026-08-11 21:40 639220810056531741
24 ms 108.162.193.121
208 2026-08-11 21:40 639220810056531741
24 ms 173.245.59.121
207 2026-08-11 21:24 639220800745746593
34 ms 108.162.193.121
206 2026-08-11 21:24 639220800745746593
34 ms 172.64.33.121
205 2026-08-11 21:24 639220800745746593
34 ms 173.245.59.121
204 2026-08-11 21:09 639220791351626349
11 ms 108.162.193.121
203 2026-08-11 21:09 639220791351626349
11 ms 172.64.33.121
202 2026-08-11 21:09 639220791351626349
11 ms 173.245.59.121
201 2026-08-11 20:53 639220782021256610
9 ms 108.162.193.121
200 2026-08-11 20:53 639220782021256610
9 ms 172.64.33.121
199 2026-08-11 20:53 639220782021256610
9 ms 173.245.59.121
198 2026-08-11 20:37 639220772603347755
23 ms 173.245.59.121
197 2026-08-11 20:37 639220772603347755
23 ms 172.64.33.121
196 2026-08-11 20:37 639220772603347755
23 ms 108.162.193.121
195 2026-08-11 20:22 639220763224057047
4 ms 108.162.193.121
194 2026-08-11 20:22 639220763224057047
4 ms 172.64.33.121
193 2026-08-11 20:22 639220763224057047
4 ms 173.245.59.121
192 2026-08-11 20:06 639220753691117767
7 ms 108.162.193.121
191 2026-08-11 20:06 639220753691117767
7 ms 172.64.33.121
190 2026-08-11 20:06 639220753691117767
7 ms 173.245.59.121
189 2026-08-11 19:50 639220744107836218
2021 ms 108.162.193.121
188 2026-08-11 19:50 639220744107836218
2021 ms 173.245.59.121
187 2026-08-11 19:50 639220744107836218
2021 ms 172.64.33.121
186 2026-08-11 18:56 639220711927629898
3 ms 108.162.193.121
185 2026-08-11 18:56 639220711927629898
3 ms 172.64.33.121
184 2026-08-11 18:56 639220711927629898
3 ms 173.245.59.121
183 2026-08-11 18:40 639220702299437921
25 ms 108.162.193.121
182 2026-08-11 18:40 639220702299437921
25 ms 172.64.33.121
181 2026-08-11 18:40 639220702299437921
25 ms 173.245.59.121
180 2026-08-11 18:23 639220692505468181
4 ms 108.162.193.121
179 2026-08-11 18:23 639220692505468181
4 ms 172.64.33.121
178 2026-08-11 18:23 639220692505468181
4 ms 173.245.59.121
177 2026-08-11 18:07 639220682669911239
34 ms 173.245.59.121
176 2026-08-11 18:07 639220682669911239
34 ms 172.64.33.121
175 2026-08-11 18:07 639220682669911239
34 ms 108.162.193.121
174 2026-08-11 17:51 639220672929841526
2036 ms 172.64.33.121
173 2026-08-11 17:51 639220672929841526
2036 ms 173.245.59.121
172 2026-08-11 17:51 639220672929841526
2036 ms 108.162.193.121
171 2026-08-11 17:35 639220663225662315
4 ms 108.162.193.121
170 2026-08-11 17:35 639220663225662315
4 ms 172.64.33.121
169 2026-08-11 17:35 639220663225662315
4 ms 173.245.59.121
168 2026-08-11 17:19 639220653846255684
27 ms 108.162.193.121
167 2026-08-11 17:19 639220653846255684
27 ms 172.64.33.121
166 2026-08-11 17:19 639220653846255684
27 ms 173.245.59.121
165 2026-08-11 17:03 639220644420909059
22 ms 108.162.193.121
164 2026-08-11 17:03 639220644420909059
22 ms 172.64.33.121
163 2026-08-11 17:03 639220644420909059
22 ms 173.245.59.121
162 2026-08-11 16:48 639220635074970435
2015 ms 108.162.193.121
161 2026-08-11 16:48 639220635074970435
2015 ms 172.64.33.121
160 2026-08-11 16:48 639220635074970435
2015 ms 173.245.59.121
159 2026-08-11 16:32 639220625614385966
19 ms 108.162.193.121
158 2026-08-11 16:32 639220625614385966
19 ms 172.64.33.121
157 2026-08-11 16:32 639220625614385966
19 ms 173.245.59.121
156 2026-08-11 16:16 639220616132212636
6 ms 108.162.193.121
155 2026-08-11 16:16 639220616132212636
6 ms 172.64.33.121
154 2026-08-11 16:16 639220616132212636
6 ms 173.245.59.121
153 2026-08-11 16:00 639220606533651662
2013 ms 173.245.59.121
152 2026-08-11 16:00 639220606533651662
2013 ms 172.64.33.121
151 2026-08-11 16:00 639220606533651662
2013 ms 108.162.193.121
150 2026-08-11 15:07 639220574514514318
33 ms 173.245.59.121
149 2026-08-11 15:07 639220574514514318
33 ms 172.64.33.121
148 2026-08-11 15:07 639220574514514318
33 ms 108.162.193.121
147 2026-08-11 14:51 639220565124823874
12 ms 173.245.59.121
146 2026-08-11 14:51 639220565124823874
12 ms 172.64.33.121
145 2026-08-11 14:51 639220565124823874
12 ms 108.162.193.121
144 2026-08-11 14:36 639220555799311478
7 ms 108.162.193.121
143 2026-08-11 14:36 639220555799311478
7 ms 172.64.33.121
142 2026-08-11 14:36 639220555799311478
7 ms 173.245.59.121
141 2026-08-11 14:20 639220546481577614
2012 ms 173.245.59.121
140 2026-08-11 14:20 639220546481577614
2012 ms 108.162.193.121
139 2026-08-11 14:20 639220546481577614
2012 ms 172.64.33.121
138 2026-08-11 14:05 639220537036533154
72 ms 172.64.33.121
137 2026-08-11 14:05 639220537036533154
72 ms 108.162.193.121
136 2026-08-11 14:05 639220537036533154
72 ms 173.245.59.121
135 2026-08-11 13:49 639220527719177174
4 ms 108.162.193.121
134 2026-08-11 13:49 639220527719177174
4 ms 172.64.33.121
133 2026-08-11 13:49 639220527719177174
4 ms 173.245.59.121
132 2026-08-11 13:33 639220518173088308
5 ms 108.162.193.121
131 2026-08-11 13:33 639220518173088308
5 ms 172.64.33.121
130 2026-08-11 13:33 639220518173088308
5 ms 173.245.59.121
129 2026-08-11 13:18 639220508902896243
6 ms 108.162.193.121
128 2026-08-11 13:18 639220508902896243
6 ms 172.64.33.121
127 2026-08-11 13:18 639220508902896243
6 ms 173.245.59.121
126 2026-08-11 13:02 639220499455923005
7 ms 108.162.193.121
125 2026-08-11 13:02 639220499455923005
7 ms 172.64.33.121
124 2026-08-11 13:02 639220499455923005
7 ms 173.245.59.121
123 2026-08-11 12:46 639220490082583768
12 ms 173.245.59.121
122 2026-08-11 12:46 639220490082583768
12 ms 172.64.33.121
121 2026-08-11 12:46 639220490082583768
12 ms 108.162.193.121
120 2026-08-11 12:31 639220480636590998
82 ms 108.162.193.121
119 2026-08-11 12:31 639220480636590998
82 ms 172.64.33.121
118 2026-08-11 12:31 639220480636590998
82 ms 173.245.59.121
117 2026-08-11 12:12 639220469585029273
4 ms 108.162.193.121
116 2026-08-11 12:12 639220469585029273
4 ms 172.64.33.121
115 2026-08-11 12:12 639220469585029273
4 ms 173.245.59.121
114 2026-08-11 11:20 639220438074188884
35 ms 173.245.59.121
113 2026-08-11 11:20 639220438074188884
35 ms 172.64.33.121
112 2026-08-11 11:20 639220438074188884
35 ms 108.162.193.121
111 2026-08-11 11:05 639220428789720049
11 ms 172.64.33.121
110 2026-08-11 11:05 639220428789720049
11 ms 173.245.59.121
109 2026-08-11 11:05 639220428789720049
11 ms 108.162.193.121
108 2026-08-11 10:49 639220419558302820
13 ms 173.245.59.121
107 2026-08-11 10:49 639220419558302820
13 ms 172.64.33.121
106 2026-08-11 10:49 639220419558302820
13 ms 108.162.193.121
105 2026-08-11 10:34 639220410448738795
22 ms 108.162.193.121
104 2026-08-11 10:34 639220410448738795
22 ms 172.64.33.121
103 2026-08-11 10:34 639220410448738795
22 ms 173.245.59.121
102 2026-08-11 10:19 639220401034081530
29 ms 172.64.33.121
101 2026-08-11 10:19 639220401034081530
29 ms 173.245.59.121
100 2026-08-11 10:19 639220401034081530
29 ms 108.162.193.121
99 2026-08-11 10:03 639220391766674161
36 ms 108.162.193.121
98 2026-08-11 10:03 639220391766674161
36 ms 172.64.33.121
97 2026-08-11 10:03 639220391766674161
36 ms 173.245.59.121
96 2026-08-11 09:47 639220382275807148
15 ms 173.245.59.121
95 2026-08-11 09:47 639220382275807148
15 ms 172.64.33.121
94 2026-08-11 09:47 639220382275807148
15 ms 108.162.193.121
93 2026-08-11 09:32 639220373034162867
30 ms 108.162.193.121
92 2026-08-11 09:32 639220373034162867
30 ms 172.64.33.121
91 2026-08-11 09:32 639220373034162867
30 ms 173.245.59.121
90 2026-08-11 09:17 639220363994971859
4 ms 108.162.193.121
89 2026-08-11 09:17 639220363994971859
4 ms 172.64.33.121
88 2026-08-11 09:17 639220363994971859
4 ms 173.245.59.121
87 2026-08-11 09:01 639220354563965455
7 ms 108.162.193.121
86 2026-08-11 09:01 639220354563965455
7 ms 172.64.33.121
85 2026-08-11 09:01 639220354563965455
7 ms 173.245.59.121
84 2026-08-11 08:46 639220345437414880
11 ms 108.162.193.121
83 2026-08-11 08:46 639220345437414880
11 ms 172.64.33.121
82 2026-08-11 08:46 639220345437414880
11 ms 173.245.59.121
81 2026-08-11 08:30 639220336024248987
4 ms 108.162.193.121
80 2026-08-11 08:30 639220336024248987
4 ms 172.64.33.121
79 2026-08-11 08:30 639220336024248987
4 ms 173.245.59.121
78 2026-08-11 07:38 639220304233635692
10 ms 108.162.193.121
77 2026-08-11 07:38 639220304233635692
10 ms 172.64.33.121
76 2026-08-11 07:38 639220304233635692
10 ms 173.245.59.121
75 2026-08-11 07:23 639220294872170960
8 ms 172.64.33.121
74 2026-08-11 07:23 639220294872170960
8 ms 108.162.193.121
73 2026-08-11 07:23 639220294872170960
8 ms 173.245.59.121
72 2026-08-11 07:07 639220285547177980
7 ms 172.64.33.121
71 2026-08-11 07:07 639220285547177980
7 ms 173.245.59.121
70 2026-08-11 07:07 639220285547177980
7 ms 108.162.193.121
69 2026-08-11 06:52 639220276337941315
15 ms 108.162.193.121
68 2026-08-11 06:52 639220276337941315
15 ms 173.245.59.121
67 2026-08-11 06:52 639220276337941315
15 ms 172.64.33.121
66 2026-08-11 06:36 639220267175191677
10 ms 108.162.193.121
65 2026-08-11 06:36 639220267175191677
10 ms 172.64.33.121
64 2026-08-11 06:36 639220267175191677
10 ms 173.245.59.121
63 2026-08-11 06:21 639220257981518924
24 ms 173.245.59.121
62 2026-08-11 06:21 639220257981518924
24 ms 108.162.193.121
61 2026-08-11 06:21 639220257981518924
24 ms 172.64.33.121
60 2026-08-11 06:06 639220249265489070
5 ms 108.162.193.121
59 2026-08-11 06:06 639220249265489070
5 ms 172.64.33.121
58 2026-08-11 06:06 639220249265489070
5 ms 173.245.59.121
57 2026-08-11 05:52 639220240700249205
4 ms 108.162.193.121
56 2026-08-11 05:52 639220240700249205
4 ms 172.64.33.121
55 2026-08-11 05:52 639220240700249205
4 ms 173.245.59.121
54 2026-08-11 05:38 639220231975029986
28 ms 108.162.193.121
53 2026-08-11 05:38 639220231975029986
28 ms 172.64.33.121
52 2026-08-11 05:38 639220231975029986
28 ms 173.245.59.121
51 2026-08-11 05:23 639220223261176932
15 ms 172.64.33.121
50 2026-08-11 05:23 639220223261176932
15 ms 108.162.193.121
49 2026-08-11 05:23 639220223261176932
15 ms 173.245.59.121
48 2026-08-11 05:08 639220214366718456
6 ms 108.162.193.121
47 2026-08-11 05:08 639220214366718456
6 ms 172.64.33.121
46 2026-08-11 05:08 639220214366718456
6 ms 173.245.59.121
45 2026-08-11 04:53 639220205306334524
14 ms 172.64.33.121
44 2026-08-11 04:53 639220205306334524
14 ms 108.162.193.121
43 2026-08-11 04:53 639220205306334524
14 ms 173.245.59.121
42 2026-08-11 04:02 639220174463175061
35 ms 108.162.193.121
41 2026-08-11 04:02 639220174463175061
35 ms 172.64.33.121
40 2026-08-11 04:02 639220174463175061
35 ms 173.245.59.121
39 2026-08-11 03:48 639220165777190438
62 ms 108.162.193.121
38 2026-08-11 03:48 639220165777190438
62 ms 172.64.33.121
37 2026-08-11 03:48 639220165777190438
62 ms 173.245.59.121
36 2026-08-11 03:33 639220156880374825
8 ms 108.162.193.121
35 2026-08-11 03:33 639220156880374825
8 ms 172.64.33.121
34 2026-08-11 03:33 639220156880374825
8 ms 173.245.59.121
33 2026-08-11 03:18 639220148139986945
27 ms 108.162.193.121
32 2026-08-11 03:18 639220148139986945
27 ms 172.64.33.121
31 2026-08-11 03:18 639220148139986945
27 ms 173.245.59.121
30 2026-08-11 03:04 639220139271074299
4 ms 108.162.193.121
29 2026-08-11 03:04 639220139271074299
4 ms 172.64.33.121
28 2026-08-11 03:04 639220139271074299
4 ms 173.245.59.121
27 2026-08-11 02:49 639220130565901336
4 ms 108.162.193.121
26 2026-08-11 02:49 639220130565901336
4 ms 172.64.33.121
25 2026-08-11 02:49 639220130565901336
4 ms 173.245.59.121
24 2026-08-11 02:34 639220121659980575
9 ms 108.162.193.121
23 2026-08-11 02:34 639220121659980575
9 ms 172.64.33.121
22 2026-08-11 02:34 639220121659980575
9 ms 173.245.59.121
21 2026-08-11 02:20 639220112857650894
3 ms 108.162.193.121
20 2026-08-11 02:20 639220112857650894
3 ms 172.64.33.121
19 2026-08-11 02:20 639220112857650894
3 ms 173.245.59.121
18 2026-08-11 02:05 639220103767686219
2342 ms 172.64.33.121
17 2026-08-11 02:05 639220103767686219
2342 ms 108.162.193.121
16 2026-08-11 02:05 639220103767686219
2342 ms 173.245.59.121
15 2026-08-11 01:49 639220094545970611
6 ms 108.162.193.121
14 2026-08-11 01:49 639220094545970611
6 ms 172.64.33.121
13 2026-08-11 01:49 639220094545970611
6 ms 173.245.59.121
12 2026-08-11 01:34 639220085476091081
12 ms 108.162.193.121
11 2026-08-11 01:34 639220085476091081
12 ms 172.64.33.121
10 2026-08-11 01:34 639220085476091081
12 ms 173.245.59.121
9 2026-08-11 01:19 639220076243751161
3 ms 108.162.193.121
8 2026-08-11 01:19 639220076243751161
3 ms 172.64.33.121
7 2026-08-11 01:19 639220076243751161
3 ms 173.245.59.121
6 2026-08-11 00:27 639220045322845190
39 ms 172.64.33.121
5 2026-08-11 00:27 639220045322845190
39 ms 108.162.193.121
4 2026-08-11 00:27 639220045322845190
39 ms 173.245.59.121
3 2026-08-11 00:13 639220036434132314
12 ms 108.162.193.121
2 2026-08-11 00:13 639220036434132314
12 ms 173.245.59.121
1 2026-08-11 00:13 639220036434132314
12 ms 172.64.33.121