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 2026-08-18. For this date, NameServerHistory found 223 DNS check records, 222 successful responses, 1 failed responses, and 58 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

58 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-18 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

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 2026-08-18 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 2026-08-18 23:46 639226935204800669
7 ms 108.162.193.121
222 2026-08-18 23:46 639226935204800669
7 ms 172.64.33.121
221 2026-08-18 23:46 639226935204800669
7 ms 173.245.59.121
220 2026-08-18 23:29 639226925298919497
10 ms 108.162.193.121
219 2026-08-18 23:29 639226925298919497
10 ms 172.64.33.121
218 2026-08-18 23:29 639226925298919497
10 ms 173.245.59.121
217 2026-08-18 23:13 639226915487885053
174 ms 108.162.193.121
216 2026-08-18 23:13 639226915487885053
174 ms 172.64.33.121
215 2026-08-18 23:13 639226915487885053
174 ms 173.245.59.121
214 2026-08-18 22:56 639226905465760034
169 ms 108.162.193.121
213 2026-08-18 22:56 639226905465760034
169 ms 172.64.33.121
212 2026-08-18 22:56 639226905465760034
169 ms 173.245.59.121
211 2026-08-18 22:39 639226895378104692
21 ms 108.162.193.121
210 2026-08-18 22:39 639226895378104692
21 ms 172.64.33.121
209 2026-08-18 22:39 639226895378104692
21 ms 173.245.59.121
208 2026-08-18 21:46 639226863374232622
16 ms 108.162.193.121
207 2026-08-18 21:46 639226863374232622
16 ms 172.64.33.121
206 2026-08-18 21:46 639226863374232622
16 ms 173.245.59.121
205 2026-08-18 21:30 639226853698516058
22 ms 108.162.193.121
204 2026-08-18 21:30 639226853698516058
22 ms 172.64.33.121
203 2026-08-18 21:30 639226853698516058
22 ms 173.245.59.121
202 2026-08-18 21:13 639226843797360601
49 ms 108.162.193.121
201 2026-08-18 21:13 639226843797360601
49 ms 172.64.33.121
200 2026-08-18 21:13 639226843797360601
49 ms 173.245.59.121
199 2026-08-18 20:57 639226834046588155
162 ms 108.162.193.121
198 2026-08-18 20:57 639226834046588155
162 ms 172.64.33.121
197 2026-08-18 20:57 639226834046588155
162 ms 173.245.59.121
196 2026-08-18 20:41 639226824234488533
17 ms 108.162.193.121
195 2026-08-18 20:41 639226824234488533
17 ms 172.64.33.121
194 2026-08-18 20:41 639226824234488533
17 ms 173.245.59.121
193 2026-08-18 20:25 639226814549928621
18 ms 108.162.193.121
192 2026-08-18 20:25 639226814549928621
18 ms 172.64.33.121
191 2026-08-18 20:25 639226814549928621
18 ms 173.245.59.121
190 2026-08-18 20:08 639226804721432353
5 ms 108.162.193.121
189 2026-08-18 20:08 639226804721432353
5 ms 172.64.33.121
188 2026-08-18 20:08 639226804721432353
5 ms 173.245.59.121
187 2026-08-18 19:52 639226795048828184
9 ms 108.162.193.121
186 2026-08-18 19:52 639226795048828184
9 ms 172.64.33.121
185 2026-08-18 19:52 639226795048828184
9 ms 173.245.59.121
184 2026-08-18 19:36 639226785202482420
11 ms 108.162.193.121
183 2026-08-18 19:36 639226785202482420
11 ms 172.64.33.121
182 2026-08-18 19:36 639226785202482420
11 ms 173.245.59.121
181 2026-08-18 19:19 639226775309362607
43 ms 108.162.193.121
180 2026-08-18 19:19 639226775309362607
43 ms 172.64.33.121
179 2026-08-18 19:19 639226775309362607
43 ms 173.245.59.121
178 2026-08-18 19:03 639226765406586155
55 ms 108.162.193.121
177 2026-08-18 19:03 639226765406586155
55 ms 172.64.33.121
176 2026-08-18 19:03 639226765406586155
55 ms 173.245.59.121
175 2026-08-18 18:46 639226755437790519
186 ms 108.162.193.121
174 2026-08-18 18:46 639226755437790519
186 ms 172.64.33.121
173 2026-08-18 18:46 639226755437790519
186 ms 173.245.59.121
172 2026-08-18 17:53 639226723856194457
124 ms 108.162.193.121
171 2026-08-18 17:53 639226723856194457
124 ms 172.64.33.121
170 2026-08-18 17:53 639226723856194457
124 ms 173.245.59.121
169 2026-08-18 17:37 639226714050583422
126 ms 108.162.193.121
168 2026-08-18 17:37 639226714050583422
126 ms 172.64.33.121
167 2026-08-18 17:37 639226714050583422
126 ms 173.245.59.121
166 2026-08-18 17:21 639226704236499724
20 ms 108.162.193.121
165 2026-08-18 17:21 639226704236499724
20 ms 172.64.33.121
164 2026-08-18 17:21 639226704236499724
20 ms 173.245.59.121
163 2026-08-18 17:04 639226694184520163
110 ms 108.162.193.121
162 2026-08-18 17:04 639226694184520163
110 ms 172.64.33.121
161 2026-08-18 17:04 639226694184520163
110 ms 173.245.59.121
160 2026-08-18 16:47 639226684161203477
35 ms 108.162.193.121
159 2026-08-18 16:47 639226684161203477
35 ms 172.64.33.121
158 2026-08-18 16:47 639226684161203477
35 ms 173.245.59.121
157 2026-08-18 16:31 639226674305430109
23 ms 108.162.193.121
156 2026-08-18 16:31 639226674305430109
23 ms 172.64.33.121
155 2026-08-18 16:31 639226674305430109
23 ms 173.245.59.121
154 2026-08-18 16:14 639226664489607984
21 ms 108.162.193.121
153 2026-08-18 16:14 639226664489607984
21 ms 172.64.33.121
152 2026-08-18 16:14 639226664489607984
21 ms 173.245.59.121
151 2026-08-18 15:58 639226654533111667
34 ms 108.162.193.121
150 2026-08-18 15:58 639226654533111667
34 ms 172.64.33.121
149 2026-08-18 15:58 639226654533111667
34 ms 173.245.59.121
148 2026-08-18 15:42 639226644778594725
27 ms 108.162.193.121
147 2026-08-18 15:42 639226644778594725
27 ms 172.64.33.121
146 2026-08-18 15:42 639226644778594725
27 ms 173.245.59.121
145 2026-08-18 15:25 639226634901553621
17 ms 108.162.193.121
144 2026-08-18 15:25 639226634901553621
17 ms 172.64.33.121
143 2026-08-18 15:25 639226634901553621
17 ms 173.245.59.121
142 2026-08-18 15:08 639226624921864967
89 ms 108.162.193.121
141 2026-08-18 15:08 639226624921864967
89 ms 172.64.33.121
140 2026-08-18 15:08 639226624921864967
89 ms 173.245.59.121
139 2026-08-18 14:52 639226614939419403
74 ms 108.162.193.121
138 2026-08-18 14:52 639226614939419403
74 ms 172.64.33.121
137 2026-08-18 14:52 639226614939419403
74 ms 173.245.59.121
136 2026-08-18 13:59 639226583021074771
30 ms 108.162.193.121
135 2026-08-18 13:59 639226583021074771
30 ms 172.64.33.121
134 2026-08-18 13:59 639226583021074771
30 ms 173.245.59.121
133 2026-08-18 13:42 639226573279933585
12 ms 108.162.193.121
132 2026-08-18 13:42 639226573279933585
12 ms 172.64.33.121
131 2026-08-18 13:42 639226573279933585
12 ms 173.245.59.121
130 2026-08-18 13:26 639226563494036301
19 ms 108.162.193.121
129 2026-08-18 13:26 639226563494036301
19 ms 172.64.33.121
128 2026-08-18 13:26 639226563494036301
19 ms 173.245.59.121
127 2026-08-18 13:10 639226553708216256
-
126 2026-08-18 12:54 639226544003734815
149 ms 108.162.193.121
125 2026-08-18 12:54 639226544003734815
149 ms 172.64.33.121
124 2026-08-18 12:54 639226544003734815
149 ms 173.245.59.121
123 2026-08-18 12:37 639226534105733155
26 ms 108.162.193.121
122 2026-08-18 12:37 639226534105733155
26 ms 172.64.33.121
121 2026-08-18 12:37 639226534105733155
26 ms 173.245.59.121
120 2026-08-18 12:21 639226524298118898
21 ms 108.162.193.121
119 2026-08-18 12:21 639226524298118898
21 ms 172.64.33.121
118 2026-08-18 12:21 639226524298118898
21 ms 173.245.59.121
117 2026-08-18 12:04 639226514525195335
54 ms 108.162.193.121
116 2026-08-18 12:04 639226514525195335
54 ms 172.64.33.121
115 2026-08-18 12:04 639226514525195335
54 ms 173.245.59.121
114 2026-08-18 11:48 639226504703635320
188 ms 108.162.193.121
113 2026-08-18 11:48 639226504703635320
188 ms 172.64.33.121
112 2026-08-18 11:48 639226504703635320
188 ms 173.245.59.121
111 2026-08-18 11:31 639226494737271720
175 ms 108.162.193.121
110 2026-08-18 11:31 639226494737271720
175 ms 172.64.33.121
109 2026-08-18 11:31 639226494737271720
175 ms 173.245.59.121
108 2026-08-18 11:15 639226485005027236
17 ms 108.162.193.121
107 2026-08-18 11:15 639226485005027236
17 ms 172.64.33.121
106 2026-08-18 11:15 639226485005027236
17 ms 173.245.59.121
105 2026-08-18 10:59 639226475133236105
170 ms 108.162.193.121
104 2026-08-18 10:59 639226475133236105
170 ms 172.64.33.121
103 2026-08-18 10:59 639226475133236105
170 ms 173.245.59.121
102 2026-08-18 10:05 639226442975077052
6 ms 108.162.193.121
101 2026-08-18 10:05 639226442975077052
6 ms 172.64.33.121
100 2026-08-18 10:05 639226442975077052
6 ms 173.245.59.121
99 2026-08-18 09:49 639226433317932039
37 ms 108.162.193.121
98 2026-08-18 09:49 639226433317932039
37 ms 172.64.33.121
97 2026-08-18 09:49 639226433317932039
37 ms 173.245.59.121
96 2026-08-18 09:33 639226423688431096
17 ms 108.162.193.121
95 2026-08-18 09:33 639226423688431096
17 ms 172.64.33.121
94 2026-08-18 09:33 639226423688431096
17 ms 173.245.59.121
93 2026-08-18 09:17 639226413998250045
35 ms 108.162.193.121
92 2026-08-18 09:17 639226413998250045
35 ms 172.64.33.121
91 2026-08-18 09:17 639226413998250045
35 ms 173.245.59.121
90 2026-08-18 09:01 639226404284554875
265 ms 108.162.193.121
89 2026-08-18 09:01 639226404284554875
265 ms 172.64.33.121
88 2026-08-18 09:01 639226404284554875
265 ms 173.245.59.121
87 2026-08-18 08:45 639226394637043309
32 ms 108.162.193.121
86 2026-08-18 08:45 639226394637043309
32 ms 172.64.33.121
85 2026-08-18 08:45 639226394637043309
32 ms 173.245.59.121
84 2026-08-18 08:29 639226385052447582
27 ms 108.162.193.121
83 2026-08-18 08:29 639226385052447582
27 ms 172.64.33.121
82 2026-08-18 08:29 639226385052447582
27 ms 173.245.59.121
81 2026-08-18 08:13 639226375506189603
216 ms 108.162.193.121
80 2026-08-18 08:13 639226375506189603
216 ms 172.64.33.121
79 2026-08-18 08:13 639226375506189603
216 ms 173.245.59.121
78 2026-08-18 07:56 639226365690646426
25 ms 108.162.193.121
77 2026-08-18 07:56 639226365690646426
25 ms 172.64.33.121
76 2026-08-18 07:56 639226365690646426
25 ms 173.245.59.121
75 2026-08-18 07:40 639226355771007701
16 ms 108.162.193.121
74 2026-08-18 07:40 639226355771007701
16 ms 172.64.33.121
73 2026-08-18 07:40 639226355771007701
16 ms 173.245.59.121
72 2026-08-18 07:24 639226345946269369
6 ms 108.162.193.121
71 2026-08-18 07:24 639226345946269369
6 ms 172.64.33.121
70 2026-08-18 07:24 639226345946269369
6 ms 173.245.59.121
69 2026-08-18 07:07 639226336241601848
7 ms 108.162.193.121
68 2026-08-18 07:07 639226336241601848
7 ms 172.64.33.121
67 2026-08-18 07:07 639226336241601848
7 ms 173.245.59.121
66 2026-08-18 06:15 639226304950675290
33 ms 108.162.193.121
65 2026-08-18 06:15 639226304950675290
33 ms 172.64.33.121
64 2026-08-18 06:15 639226304950675290
33 ms 173.245.59.121
63 2026-08-18 05:59 639226295324754616
147 ms 108.162.193.121
62 2026-08-18 05:59 639226295324754616
147 ms 172.64.33.121
61 2026-08-18 05:59 639226295324754616
147 ms 173.245.59.121
60 2026-08-18 05:43 639226285824640601
37 ms 108.162.193.121
59 2026-08-18 05:43 639226285824640601
37 ms 172.64.33.121
58 2026-08-18 05:43 639226285824640601
37 ms 173.245.59.121
57 2026-08-18 05:27 639226276321223917
23 ms 108.162.193.121
56 2026-08-18 05:27 639226276321223917
23 ms 172.64.33.121
55 2026-08-18 05:27 639226276321223917
23 ms 173.245.59.121
54 2026-08-18 05:12 639226266800200046
45 ms 108.162.193.121
53 2026-08-18 05:12 639226266800200046
45 ms 172.64.33.121
52 2026-08-18 05:12 639226266800200046
45 ms 173.245.59.121
51 2026-08-18 04:55 639226256958066164
4 ms 108.162.193.121
50 2026-08-18 04:55 639226256958066164
4 ms 172.64.33.121
49 2026-08-18 04:55 639226256958066164
4 ms 173.245.59.121
48 2026-08-18 04:39 639226247432364597
28 ms 108.162.193.121
47 2026-08-18 04:39 639226247432364597
28 ms 172.64.33.121
46 2026-08-18 04:39 639226247432364597
28 ms 173.245.59.121
45 2026-08-18 04:23 639226237703388552
24 ms 108.162.193.121
44 2026-08-18 04:23 639226237703388552
24 ms 172.64.33.121
43 2026-08-18 04:23 639226237703388552
24 ms 173.245.59.121
42 2026-08-18 04:07 639226227937569589
19 ms 108.162.193.121
41 2026-08-18 04:07 639226227937569589
19 ms 172.64.33.121
40 2026-08-18 04:07 639226227937569589
19 ms 173.245.59.121
39 2026-08-18 03:50 639226218052465471
22 ms 108.162.193.121
38 2026-08-18 03:50 639226218052465471
22 ms 172.64.33.121
37 2026-08-18 03:50 639226218052465471
22 ms 173.245.59.121
36 2026-08-18 03:34 639226208429623997
34 ms 108.162.193.121
35 2026-08-18 03:34 639226208429623997
34 ms 172.64.33.121
34 2026-08-18 03:34 639226208429623997
34 ms 173.245.59.121
33 2026-08-18 03:18 639226198800675295
6 ms 108.162.193.121
32 2026-08-18 03:18 639226198800675295
6 ms 172.64.33.121
31 2026-08-18 03:18 639226198800675295
6 ms 173.245.59.121
30 2026-08-18 02:26 639226167722042574
121 ms 108.162.193.121
29 2026-08-18 02:26 639226167722042574
121 ms 172.64.33.121
28 2026-08-18 02:26 639226167722042574
121 ms 173.245.59.121
27 2026-08-18 02:11 639226158277924383
23 ms 108.162.193.121
26 2026-08-18 02:11 639226158277924383
23 ms 172.64.33.121
25 2026-08-18 02:11 639226158277924383
23 ms 173.245.59.121
24 2026-08-18 01:55 639226148757810592
42 ms 108.162.193.121
23 2026-08-18 01:55 639226148757810592
42 ms 172.64.33.121
22 2026-08-18 01:55 639226148757810592
42 ms 173.245.59.121
21 2026-08-18 01:39 639226139348611045
31 ms 108.162.193.121
20 2026-08-18 01:39 639226139348611045
31 ms 172.64.33.121
19 2026-08-18 01:39 639226139348611045
31 ms 173.245.59.121
18 2026-08-18 01:23 639226129823462907
44 ms 108.162.193.121
17 2026-08-18 01:23 639226129823462907
44 ms 172.64.33.121
16 2026-08-18 01:23 639226129823462907
44 ms 173.245.59.121
15 2026-08-18 01:07 639226120218260005
52 ms 108.162.193.121
14 2026-08-18 01:07 639226120218260005
52 ms 172.64.33.121
13 2026-08-18 01:07 639226120218260005
52 ms 173.245.59.121
12 2026-08-18 00:52 639226110875503904
192 ms 108.162.193.121
11 2026-08-18 00:52 639226110875503904
192 ms 172.64.33.121
10 2026-08-18 00:52 639226110875503904
192 ms 173.245.59.121
9 2026-08-18 00:36 639226101376311912
25 ms 108.162.193.121
8 2026-08-18 00:36 639226101376311912
25 ms 172.64.33.121
7 2026-08-18 00:36 639226101376311912
25 ms 173.245.59.121
6 2026-08-18 00:20 639226091924943492
123 ms 108.162.193.121
5 2026-08-18 00:20 639226091924943492
123 ms 172.64.33.121
4 2026-08-18 00:20 639226091924943492
123 ms 173.245.59.121
3 2026-08-18 00:04 639226082133158124
10 ms 108.162.193.121
2 2026-08-18 00:04 639226082133158124
10 ms 172.64.33.121
1 2026-08-18 00:04 639226082133158124
10 ms 173.245.59.121