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 2026-08-09. For this date, NameServerHistory found 227 DNS check records, 225 successful responses, 2 failed responses, and 292 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

227

Historical checks stored for this nameserver on selected date

Average Latency

292 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-09 23:13

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

2

Checks with no response or no returned latency

Failure Rate

1%

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 2026-08-09 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
227 2026-08-09 23:13 639219137912168440
4 ms 108.162.193.121
226 2026-08-09 23:13 639219137912168440
4 ms 172.64.33.121
225 2026-08-09 23:13 639219137912168440
4 ms 173.245.59.121
224 2026-08-09 22:58 639219129014206359
53 ms 172.64.33.121
223 2026-08-09 22:58 639219129014206359
53 ms 173.245.59.121
222 2026-08-09 22:58 639219129014206359
53 ms 108.162.193.121
221 2026-08-09 22:43 639219120129816185
23 ms 108.162.193.121
220 2026-08-09 22:43 639219120129816185
23 ms 172.64.33.121
219 2026-08-09 22:43 639219120129816185
23 ms 173.245.59.121
218 2026-08-09 22:28 639219111180200055
52 ms 173.245.59.121
217 2026-08-09 22:28 639219111180200055
52 ms 108.162.193.121
216 2026-08-09 22:28 639219111180200055
52 ms 172.64.33.121
215 2026-08-09 22:13 639219102397272208
2019 ms 172.64.33.121
214 2026-08-09 22:13 639219102397272208
2019 ms 108.162.193.121
213 2026-08-09 22:13 639219102397272208
2019 ms 173.245.59.121
212 2026-08-09 21:58 639219093318422880
5 ms 108.162.193.121
211 2026-08-09 21:58 639219093318422880
5 ms 172.64.33.121
210 2026-08-09 21:58 639219093318422880
5 ms 173.245.59.121
209 2026-08-09 21:43 639219084400315753
4 ms 108.162.193.121
208 2026-08-09 21:43 639219084400315753
4 ms 172.64.33.121
207 2026-08-09 21:43 639219084400315753
4 ms 173.245.59.121
206 2026-08-09 21:28 639219075254551587
6 ms 108.162.193.121
205 2026-08-09 21:28 639219075254551587
6 ms 172.64.33.121
204 2026-08-09 21:28 639219075254551587
6 ms 173.245.59.121
203 2026-08-09 21:12 639219065729192158
13 ms 108.162.193.121
202 2026-08-09 21:12 639219065729192158
13 ms 172.64.33.121
201 2026-08-09 21:12 639219065729192158
13 ms 173.245.59.121
200 2026-08-09 20:57 639219056747802098
26 ms 172.64.33.121
199 2026-08-09 20:57 639219056747802098
26 ms 108.162.193.121
198 2026-08-09 20:57 639219056747802098
26 ms 173.245.59.121
197 2026-08-09 20:42 639219047713450952
2010 ms 173.245.59.121
196 2026-08-09 20:42 639219047713450952
2010 ms 172.64.33.121
195 2026-08-09 20:42 639219047713450952
2010 ms 108.162.193.121
194 2026-08-09 20:27 639219038561445315
64 ms 172.64.33.121
193 2026-08-09 20:27 639219038561445315
64 ms 173.245.59.121
192 2026-08-09 20:27 639219038561445315
64 ms 108.162.193.121
191 2026-08-09 19:35 639219007390383771
41 ms 172.64.33.121
190 2026-08-09 19:35 639219007390383771
41 ms 108.162.193.121
189 2026-08-09 19:35 639219007390383771
41 ms 173.245.59.121
188 2026-08-09 19:21 639218998523265596
12 ms 108.162.193.121
187 2026-08-09 19:21 639218998523265596
12 ms 172.64.33.121
186 2026-08-09 19:21 639218998523265596
12 ms 173.245.59.121
185 2026-08-09 19:06 639218989631630804
39 ms 172.64.33.121
184 2026-08-09 19:06 639218989631630804
39 ms 108.162.193.121
183 2026-08-09 19:06 639218989631630804
39 ms 173.245.59.121
182 2026-08-09 18:51 639218980808450892
4 ms 108.162.193.121
181 2026-08-09 18:51 639218980808450892
4 ms 172.64.33.121
180 2026-08-09 18:51 639218980808450892
4 ms 173.245.59.121
179 2026-08-09 18:36 639218971852160604
20 ms 172.64.33.121
178 2026-08-09 18:36 639218971852160604
20 ms 108.162.193.121
177 2026-08-09 18:36 639218971852160604
20 ms 173.245.59.121
176 2026-08-09 18:21 639218962783650906
20 ms 108.162.193.121
175 2026-08-09 18:21 639218962783650906
20 ms 172.64.33.121
174 2026-08-09 18:21 639218962783650906
20 ms 173.245.59.121
173 2026-08-09 18:06 639218953792820819
10 ms 173.245.59.121
172 2026-08-09 18:06 639218953792820819
10 ms 108.162.193.121
171 2026-08-09 18:06 639218953792820819
10 ms 172.64.33.121
170 2026-08-09 17:51 639218944959692876
27 ms 108.162.193.121
169 2026-08-09 17:51 639218944959692876
27 ms 172.64.33.121
168 2026-08-09 17:51 639218944959692876
27 ms 173.245.59.121
167 2026-08-09 17:37 639218936169104506
62 ms 173.245.59.121
166 2026-08-09 17:37 639218936169104506
62 ms 172.64.33.121
165 2026-08-09 17:37 639218936169104506
62 ms 108.162.193.121
164 2026-08-09 17:22 639218927166062556
16 ms 108.162.193.121
163 2026-08-09 17:22 639218927166062556
16 ms 172.64.33.121
162 2026-08-09 17:22 639218927166062556
16 ms 173.245.59.121
161 2026-08-09 17:07 639218918015715420
34 ms 108.162.193.121
160 2026-08-09 17:07 639218918015715420
34 ms 172.64.33.121
159 2026-08-09 17:07 639218918015715420
34 ms 173.245.59.121
158 2026-08-09 16:51 639218908881852638
2015 ms 173.245.59.121
157 2026-08-09 16:51 639218908881852638
2015 ms 108.162.193.121
156 2026-08-09 16:51 639218908881852638
2015 ms 172.64.33.121
155 2026-08-09 15:58 639218877956262035
11 ms 172.64.33.121
154 2026-08-09 15:58 639218877956262035
11 ms 108.162.193.121
153 2026-08-09 15:58 639218877956262035
11 ms 173.245.59.121
152 2026-08-09 15:43 639218869143729797
47 ms 172.64.33.121
151 2026-08-09 15:43 639218869143729797
47 ms 173.245.59.121
150 2026-08-09 15:43 639218869143729797
47 ms 108.162.193.121
149 2026-08-09 15:29 639218860485298832
2025 ms 172.64.33.121
148 2026-08-09 15:29 639218860485298832
2025 ms 108.162.193.121
147 2026-08-09 15:29 639218860485298832
2025 ms 173.245.59.121
146 2026-08-09 15:14 639218851607906747
4 ms 108.162.193.121
145 2026-08-09 15:14 639218851607906747
4 ms 172.64.33.121
144 2026-08-09 15:14 639218851607906747
4 ms 173.245.59.121
143 2026-08-09 14:59 639218842720839568
37 ms 108.162.193.121
142 2026-08-09 14:59 639218842720839568
37 ms 172.64.33.121
141 2026-08-09 14:59 639218842720839568
37 ms 173.245.59.121
140 2026-08-09 14:45 639218833878788864
43 ms 173.245.59.121
139 2026-08-09 14:45 639218833878788864
43 ms 108.162.193.121
138 2026-08-09 14:45 639218833878788864
43 ms 172.64.33.121
137 2026-08-09 14:30 639218825180862573
15 ms 172.64.33.121
136 2026-08-09 14:30 639218825180862573
15 ms 108.162.193.121
135 2026-08-09 14:30 639218825180862573
15 ms 173.245.59.121
134 2026-08-09 14:16 639218816469621951
8 ms 172.64.33.121
133 2026-08-09 14:16 639218816469621951
8 ms 108.162.193.121
132 2026-08-09 14:16 639218816469621951
8 ms 173.245.59.121
131 2026-08-09 14:01 639218807685036212
5 ms 108.162.193.121
130 2026-08-09 14:01 639218807685036212
5 ms 172.64.33.121
129 2026-08-09 14:01 639218807685036212
5 ms 173.245.59.121
128 2026-08-09 13:46 639218798978271509
2015 ms 108.162.193.121
127 2026-08-09 13:46 639218798978271509
2015 ms 173.245.59.121
126 2026-08-09 13:46 639218798978271509
2015 ms 172.64.33.121
125 2026-08-09 13:32 639218790065423597
4029 ms 173.245.59.121
124 2026-08-09 13:32 639218790065423597
4029 ms 172.64.33.121
123 2026-08-09 13:32 639218790065423597
4029 ms 108.162.193.121
122 2026-08-09 13:17 639218781304584862
7 ms 108.162.193.121
121 2026-08-09 13:17 639218781304584862
7 ms 172.64.33.121
120 2026-08-09 13:17 639218781304584862
7 ms 173.245.59.121
119 2026-08-09 12:26 639218750311179000
2020 ms 172.64.33.121
118 2026-08-09 12:26 639218750311179000
2020 ms 173.245.59.121
117 2026-08-09 12:26 639218750311179000
2020 ms 108.162.193.121
116 2026-08-09 12:11 639218741750420268
37 ms 108.162.193.121
115 2026-08-09 12:11 639218741750420268
37 ms 172.64.33.121
114 2026-08-09 12:11 639218741750420268
37 ms 173.245.59.121
113 2026-08-09 11:57 639218733057535576
44 ms 172.64.33.121
112 2026-08-09 11:57 639218733057535576
44 ms 173.245.59.121
111 2026-08-09 11:57 639218733057535576
44 ms 108.162.193.121
110 2026-08-09 11:43 639218724471329044
10 ms 108.162.193.121
109 2026-08-09 11:43 639218724471329044
10 ms 172.64.33.121
108 2026-08-09 11:43 639218724471329044
10 ms 173.245.59.121
107 2026-08-09 11:28 639218715911974203
25 ms 108.162.193.121
106 2026-08-09 11:28 639218715911974203
25 ms 172.64.33.121
105 2026-08-09 11:28 639218715911974203
25 ms 173.245.59.121
104 2026-08-09 11:14 639218707310812834
4 ms 108.162.193.121
103 2026-08-09 11:14 639218707310812834
4 ms 172.64.33.121
102 2026-08-09 11:14 639218707310812834
4 ms 173.245.59.121
101 2026-08-09 11:00 639218698790485612
8 ms 108.162.193.121
100 2026-08-09 11:00 639218698790485612
8 ms 172.64.33.121
99 2026-08-09 11:00 639218698790485612
8 ms 173.245.59.121
98 2026-08-09 10:46 639218690367692706
8 ms 108.162.193.121
97 2026-08-09 10:46 639218690367692706
8 ms 172.64.33.121
96 2026-08-09 10:46 639218690367692706
8 ms 173.245.59.121
95 2026-08-09 10:32 639218681923173883
33 ms 108.162.193.121
94 2026-08-09 10:32 639218681923173883
33 ms 172.64.33.121
93 2026-08-09 10:32 639218681923173883
33 ms 173.245.59.121
92 2026-08-09 10:18 639218673547179738
42 ms 108.162.193.121
91 2026-08-09 10:18 639218673547179738
42 ms 172.64.33.121
90 2026-08-09 10:18 639218673547179738
42 ms 173.245.59.121
89 2026-08-09 10:03 639218664890274867
36 ms 108.162.193.121
88 2026-08-09 10:03 639218664890274867
36 ms 172.64.33.121
87 2026-08-09 10:03 639218664890274867
36 ms 173.245.59.121
86 2026-08-09 09:49 639218656036928157
4 ms 108.162.193.121
85 2026-08-09 09:49 639218656036928157
4 ms 172.64.33.121
84 2026-08-09 09:49 639218656036928157
4 ms 173.245.59.121
83 2026-08-09 08:57 639218624808018222
36 ms 108.162.193.121
82 2026-08-09 08:57 639218624808018222
36 ms 172.64.33.121
81 2026-08-09 08:57 639218624808018222
36 ms 173.245.59.121
80 2026-08-09 08:42 639218616243340806
5 ms 108.162.193.121
79 2026-08-09 08:42 639218616243340806
5 ms 172.64.33.121
78 2026-08-09 08:42 639218616243340806
5 ms 173.245.59.121
77 2026-08-09 08:28 639218607397811973
33 ms 108.162.193.121
76 2026-08-09 08:28 639218607397811973
33 ms 172.64.33.121
75 2026-08-09 08:28 639218607397811973
33 ms 173.245.59.121
74 2026-08-09 08:13 639218598812444454
12 ms 108.162.193.121
73 2026-08-09 08:13 639218598812444454
12 ms 172.64.33.121
72 2026-08-09 08:13 639218598812444454
12 ms 173.245.59.121
71 2026-08-09 07:59 639218590219570048
39 ms 108.162.193.121
70 2026-08-09 07:59 639218590219570048
39 ms 172.64.33.121
69 2026-08-09 07:59 639218590219570048
39 ms 173.245.59.121
68 2026-08-09 07:45 639218581690210758
39 ms 108.162.193.121
67 2026-08-09 07:45 639218581690210758
39 ms 172.64.33.121
66 2026-08-09 07:45 639218581690210758
39 ms 173.245.59.121
65 2026-08-09 07:30 639218573057388822
68 ms 108.162.193.121
64 2026-08-09 07:30 639218573057388822
68 ms 172.64.33.121
63 2026-08-09 07:30 639218573057388822
68 ms 173.245.59.121
62 2026-08-09 07:16 639218564408781785
45 ms 108.162.193.121
61 2026-08-09 07:16 639218564408781785
45 ms 172.64.33.121
60 2026-08-09 07:16 639218564408781785
45 ms 173.245.59.121
59 2026-08-09 07:01 639218555767188482
14 ms 108.162.193.121
58 2026-08-09 07:01 639218555767188482
14 ms 172.64.33.121
57 2026-08-09 07:01 639218555767188482
14 ms 173.245.59.121
56 2026-08-09 06:47 639218547142705295
36 ms 108.162.193.121
55 2026-08-09 06:47 639218547142705295
36 ms 172.64.33.121
54 2026-08-09 06:47 639218547142705295
36 ms 173.245.59.121
53 2026-08-09 06:32 639218538090114532
-
52 2026-08-09 06:17 639218529257910584
28 ms 108.162.193.121
51 2026-08-09 06:17 639218529257910584
28 ms 172.64.33.121
50 2026-08-09 06:17 639218529257910584
28 ms 173.245.59.121
49 2026-08-09 05:25 639218498473231858
12 ms 108.162.193.121
48 2026-08-09 05:25 639218498473231858
12 ms 172.64.33.121
47 2026-08-09 05:25 639218498473231858
12 ms 173.245.59.121
46 2026-08-09 05:11 639218489802113995
106 ms 108.162.193.121
45 2026-08-09 05:11 639218489802113995
106 ms 172.64.33.121
44 2026-08-09 05:11 639218489802113995
106 ms 173.245.59.121
43 2026-08-09 04:56 639218481006804516
7 ms 108.162.193.121
42 2026-08-09 04:56 639218481006804516
7 ms 172.64.33.121
41 2026-08-09 04:56 639218481006804516
7 ms 173.245.59.121
40 2026-08-09 04:41 639218472048712427
52 ms 108.162.193.121
39 2026-08-09 04:41 639218472048712427
52 ms 172.64.33.121
38 2026-08-09 04:41 639218472048712427
52 ms 173.245.59.121
37 2026-08-09 04:26 639218463224432974
4 ms 108.162.193.121
36 2026-08-09 04:26 639218463224432974
4 ms 172.64.33.121
35 2026-08-09 04:26 639218463224432974
4 ms 173.245.59.121
34 2026-08-09 04:12 639218454384107526
-
33 2026-08-09 03:57 639218445331231791
2034 ms 172.64.33.121
32 2026-08-09 03:57 639218445331231791
2034 ms 173.245.59.121
31 2026-08-09 03:57 639218445331231791
2034 ms 108.162.193.121
30 2026-08-09 03:42 639218436285215733
15 ms 108.162.193.121
29 2026-08-09 03:42 639218436285215733
15 ms 172.64.33.121
28 2026-08-09 03:42 639218436285215733
15 ms 173.245.59.121
27 2026-08-09 03:27 639218427289555123
28 ms 108.162.193.121
26 2026-08-09 03:27 639218427289555123
28 ms 172.64.33.121
25 2026-08-09 03:27 639218427289555123
28 ms 173.245.59.121
24 2026-08-09 03:12 639218418227819981
88 ms 108.162.193.121
23 2026-08-09 03:12 639218418227819981
88 ms 172.64.33.121
22 2026-08-09 03:12 639218418227819981
88 ms 173.245.59.121
21 2026-08-09 02:56 639218409119503123
26 ms 108.162.193.121
20 2026-08-09 02:56 639218409119503123
26 ms 172.64.33.121
19 2026-08-09 02:56 639218409119503123
26 ms 173.245.59.121
18 2026-08-09 02:41 639218399771712154
34 ms 108.162.193.121
17 2026-08-09 02:41 639218399771712154
34 ms 172.64.33.121
16 2026-08-09 02:41 639218399771712154
34 ms 173.245.59.121
15 2026-08-09 01:49 639218368648652303
2021 ms 172.64.33.121
14 2026-08-09 01:49 639218368648652303
2021 ms 108.162.193.121
13 2026-08-09 01:49 639218368648652303
2021 ms 173.245.59.121
12 2026-08-09 01:34 639218359569598460
14 ms 108.162.193.121
11 2026-08-09 01:34 639218359569598460
14 ms 172.64.33.121
10 2026-08-09 01:34 639218359569598460
14 ms 173.245.59.121
9 2026-08-09 01:19 639218350555429902
5 ms 108.162.193.121
8 2026-08-09 01:19 639218350555429902
5 ms 172.64.33.121
7 2026-08-09 01:19 639218350555429902
5 ms 173.245.59.121
6 2026-08-09 01:04 639218341311543299
6 ms 108.162.193.121
5 2026-08-09 01:04 639218341311543299
6 ms 172.64.33.121
4 2026-08-09 01:04 639218341311543299
6 ms 173.245.59.121
3 2026-08-09 00:11 639218309981981465
13 ms 108.162.193.121
2 2026-08-09 00:11 639218309981981465
13 ms 172.64.33.121
1 2026-08-09 00:11 639218309981981465
13 ms 173.245.59.121