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 2026-08-14. For this date, NameServerHistory found 232 DNS check records, 231 successful responses, 1 failed responses, and 203 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

232

Historical checks stored for this nameserver on selected date

Average Latency

203 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-14 23:58

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

231

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 2026-08-14 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
232 2026-08-14 23:58 639223486524583054
11 ms 108.162.193.121
231 2026-08-14 23:58 639223486524583054
11 ms 172.64.33.121
230 2026-08-14 23:58 639223486524583054
11 ms 173.245.59.121
229 2026-08-14 23:43 639223477272309567
12 ms 108.162.193.121
228 2026-08-14 23:43 639223477272309567
12 ms 172.64.33.121
227 2026-08-14 23:43 639223477272309567
12 ms 173.245.59.121
226 2026-08-14 23:27 639223467876800215
17 ms 108.162.193.121
225 2026-08-14 23:27 639223467876800215
17 ms 172.64.33.121
224 2026-08-14 23:27 639223467876800215
17 ms 173.245.59.121
223 2026-08-14 23:11 639223458466733344
42 ms 108.162.193.121
222 2026-08-14 23:11 639223458466733344
42 ms 172.64.33.121
221 2026-08-14 23:11 639223458466733344
42 ms 173.245.59.121
220 2026-08-14 22:56 639223449196197019
-
219 2026-08-14 22:40 639223439729973302
13 ms 108.162.193.121
218 2026-08-14 22:40 639223439729973302
13 ms 172.64.33.121
217 2026-08-14 22:40 639223439729973302
13 ms 173.245.59.121
216 2026-08-14 22:24 639223430298973377
3 ms 108.162.193.121
215 2026-08-14 22:24 639223430298973377
3 ms 172.64.33.121
214 2026-08-14 22:24 639223430298973377
3 ms 173.245.59.121
213 2026-08-14 22:09 639223420812183061
4 ms 108.162.193.121
212 2026-08-14 22:09 639223420812183061
4 ms 172.64.33.121
211 2026-08-14 22:09 639223420812183061
4 ms 173.245.59.121
210 2026-08-14 21:53 639223411307572360
7 ms 108.162.193.121
209 2026-08-14 21:53 639223411307572360
7 ms 172.64.33.121
208 2026-08-14 21:53 639223411307572360
7 ms 173.245.59.121
207 2026-08-14 21:37 639223401895099116
11 ms 108.162.193.121
206 2026-08-14 21:37 639223401895099116
11 ms 172.64.33.121
205 2026-08-14 21:37 639223401895099116
11 ms 173.245.59.121
204 2026-08-14 20:45 639223370328282191
4 ms 108.162.193.121
203 2026-08-14 20:45 639223370328282191
4 ms 172.64.33.121
202 2026-08-14 20:45 639223370328282191
4 ms 173.245.59.121
201 2026-08-14 20:29 639223361156898888
9 ms 172.64.33.121
200 2026-08-14 20:29 639223361156898888
9 ms 108.162.193.121
199 2026-08-14 20:29 639223361156898888
9 ms 173.245.59.121
198 2026-08-14 20:14 639223351683501109
4 ms 108.162.193.121
197 2026-08-14 20:14 639223351683501109
4 ms 172.64.33.121
196 2026-08-14 20:14 639223351683501109
4 ms 173.245.59.121
195 2026-08-14 19:58 639223342485908428
3 ms 108.162.193.121
194 2026-08-14 19:58 639223342485908428
3 ms 172.64.33.121
193 2026-08-14 19:58 639223342485908428
3 ms 173.245.59.121
192 2026-08-14 19:43 639223333113923772
9 ms 172.64.33.121
191 2026-08-14 19:43 639223333113923772
9 ms 108.162.193.121
190 2026-08-14 19:43 639223333113923772
9 ms 173.245.59.121
189 2026-08-14 19:27 639223323766820131
11 ms 172.64.33.121
188 2026-08-14 19:27 639223323766820131
11 ms 108.162.193.121
187 2026-08-14 19:27 639223323766820131
11 ms 173.245.59.121
186 2026-08-14 19:12 639223314500774279
11 ms 108.162.193.121
185 2026-08-14 19:12 639223314500774279
11 ms 172.64.33.121
184 2026-08-14 19:12 639223314500774279
11 ms 173.245.59.121
183 2026-08-14 18:56 639223305225877159
9 ms 108.162.193.121
182 2026-08-14 18:56 639223305225877159
9 ms 172.64.33.121
181 2026-08-14 18:56 639223305225877159
9 ms 173.245.59.121
180 2026-08-14 18:41 639223295834845965
102 ms 172.64.33.121
179 2026-08-14 18:41 639223295834845965
102 ms 173.245.59.121
178 2026-08-14 18:41 639223295834845965
102 ms 108.162.193.121
177 2026-08-14 18:25 639223286312006616
36 ms 172.64.33.121
176 2026-08-14 18:25 639223286312006616
36 ms 108.162.193.121
175 2026-08-14 18:25 639223286312006616
36 ms 173.245.59.121
174 2026-08-14 18:09 639223276659010988
32 ms 172.64.33.121
173 2026-08-14 18:09 639223276659010988
32 ms 108.162.193.121
172 2026-08-14 18:09 639223276659010988
32 ms 173.245.59.121
171 2026-08-14 17:53 639223267203892251
4 ms 108.162.193.121
170 2026-08-14 17:53 639223267203892251
4 ms 172.64.33.121
169 2026-08-14 17:53 639223267203892251
4 ms 173.245.59.121
168 2026-08-14 17:00 639223235652723921
40 ms 108.162.193.121
167 2026-08-14 17:00 639223235652723921
40 ms 172.64.33.121
166 2026-08-14 17:00 639223235652723921
40 ms 173.245.59.121
165 2026-08-14 16:44 639223226156684619
2027 ms 108.162.193.121
164 2026-08-14 16:44 639223226156684619
2027 ms 172.64.33.121
163 2026-08-14 16:44 639223226156684619
2027 ms 173.245.59.121
162 2026-08-14 16:28 639223216737677817
2013 ms 172.64.33.121
161 2026-08-14 16:28 639223216737677817
2013 ms 108.162.193.121
160 2026-08-14 16:28 639223216737677817
2013 ms 173.245.59.121
159 2026-08-14 16:13 639223207303987036
7 ms 108.162.193.121
158 2026-08-14 16:13 639223207303987036
7 ms 172.64.33.121
157 2026-08-14 16:13 639223207303987036
7 ms 173.245.59.121
156 2026-08-14 15:57 639223197972369650
12 ms 108.162.193.121
155 2026-08-14 15:57 639223197972369650
12 ms 172.64.33.121
154 2026-08-14 15:57 639223197972369650
12 ms 173.245.59.121
153 2026-08-14 15:41 639223188476518684
7 ms 108.162.193.121
152 2026-08-14 15:41 639223188476518684
7 ms 172.64.33.121
151 2026-08-14 15:41 639223188476518684
7 ms 173.245.59.121
150 2026-08-14 15:26 639223179029668254
58 ms 108.162.193.121
149 2026-08-14 15:26 639223179029668254
58 ms 172.64.33.121
148 2026-08-14 15:26 639223179029668254
58 ms 173.245.59.121
147 2026-08-14 15:10 639223169668684371
2008 ms 172.64.33.121
146 2026-08-14 15:10 639223169668684371
2008 ms 108.162.193.121
145 2026-08-14 15:10 639223169668684371
2008 ms 173.245.59.121
144 2026-08-14 14:54 639223160270013058
17 ms 108.162.193.121
143 2026-08-14 14:54 639223160270013058
17 ms 172.64.33.121
142 2026-08-14 14:54 639223160270013058
17 ms 173.245.59.121
141 2026-08-14 14:39 639223150848386507
10 ms 108.162.193.121
140 2026-08-14 14:39 639223150848386507
10 ms 172.64.33.121
139 2026-08-14 14:39 639223150848386507
10 ms 173.245.59.121
138 2026-08-14 14:23 639223141514160124
28 ms 108.162.193.121
137 2026-08-14 14:23 639223141514160124
28 ms 172.64.33.121
136 2026-08-14 14:23 639223141514160124
28 ms 173.245.59.121
135 2026-08-14 14:07 639223131908897269
36 ms 108.162.193.121
134 2026-08-14 14:07 639223131908897269
36 ms 172.64.33.121
133 2026-08-14 14:07 639223131908897269
36 ms 173.245.59.121
132 2026-08-14 13:14 639223100084750932
5 ms 108.162.193.121
131 2026-08-14 13:14 639223100084750932
5 ms 172.64.33.121
130 2026-08-14 13:14 639223100084750932
5 ms 173.245.59.121
129 2026-08-14 12:58 639223090744921973
20 ms 108.162.193.121
128 2026-08-14 12:58 639223090744921973
20 ms 173.245.59.121
127 2026-08-14 12:58 639223090744921973
20 ms 172.64.33.121
126 2026-08-14 12:43 639223081343134137
25 ms 108.162.193.121
125 2026-08-14 12:43 639223081343134137
25 ms 172.64.33.121
124 2026-08-14 12:43 639223081343134137
25 ms 173.245.59.121
123 2026-08-14 12:27 639223071917003603
4 ms 108.162.193.121
122 2026-08-14 12:27 639223071917003603
4 ms 172.64.33.121
121 2026-08-14 12:27 639223071917003603
4 ms 173.245.59.121
120 2026-08-14 12:11 639223062407395043
9 ms 108.162.193.121
119 2026-08-14 12:11 639223062407395043
9 ms 172.64.33.121
118 2026-08-14 12:11 639223062407395043
9 ms 173.245.59.121
117 2026-08-14 11:56 639223052970600447
5 ms 108.162.193.121
116 2026-08-14 11:56 639223052970600447
5 ms 172.64.33.121
115 2026-08-14 11:56 639223052970600447
5 ms 173.245.59.121
114 2026-08-14 11:40 639223043584242187
6 ms 108.162.193.121
113 2026-08-14 11:40 639223043584242187
6 ms 172.64.33.121
112 2026-08-14 11:40 639223043584242187
6 ms 173.245.59.121
111 2026-08-14 11:24 639223034248611856
9 ms 108.162.193.121
110 2026-08-14 11:24 639223034248611856
9 ms 172.64.33.121
109 2026-08-14 11:24 639223034248611856
9 ms 173.245.59.121
108 2026-08-14 11:09 639223024816175094
4050 ms 108.162.193.121
107 2026-08-14 11:09 639223024816175094
4050 ms 173.245.59.121
106 2026-08-14 11:09 639223024816175094
4050 ms 172.64.33.121
105 2026-08-14 10:53 639223015278211871
32 ms 173.245.59.121
104 2026-08-14 10:53 639223015278211871
32 ms 108.162.193.121
103 2026-08-14 10:53 639223015278211871
32 ms 172.64.33.121
102 2026-08-14 10:36 639223005387568522
17 ms 108.162.193.121
101 2026-08-14 10:36 639223005387568522
17 ms 173.245.59.121
100 2026-08-14 10:36 639223005387568522
17 ms 172.64.33.121
99 2026-08-14 10:20 639222995944735037
38 ms 173.245.59.121
98 2026-08-14 10:20 639222995944735037
38 ms 108.162.193.121
97 2026-08-14 10:20 639222995944735037
38 ms 172.64.33.121
96 2026-08-14 09:28 639222964532402826
18 ms 173.245.59.121
95 2026-08-14 09:28 639222964532402826
18 ms 172.64.33.121
94 2026-08-14 09:28 639222964532402826
18 ms 108.162.193.121
93 2026-08-14 09:12 639222955031971579
5 ms 108.162.193.121
92 2026-08-14 09:12 639222955031971579
5 ms 172.64.33.121
91 2026-08-14 09:12 639222955031971579
5 ms 173.245.59.121
90 2026-08-14 08:57 639222945616352079
13 ms 173.245.59.121
89 2026-08-14 08:57 639222945616352079
13 ms 108.162.193.121
88 2026-08-14 08:57 639222945616352079
13 ms 172.64.33.121
87 2026-08-14 08:41 639222936296615644
11 ms 108.162.193.121
86 2026-08-14 08:41 639222936296615644
11 ms 172.64.33.121
85 2026-08-14 08:41 639222936296615644
11 ms 173.245.59.121
84 2026-08-14 08:25 639222926913151746
8 ms 108.162.193.121
83 2026-08-14 08:25 639222926913151746
8 ms 173.245.59.121
82 2026-08-14 08:25 639222926913151746
8 ms 172.64.33.121
81 2026-08-14 08:10 639222917608375722
6 ms 108.162.193.121
80 2026-08-14 08:10 639222917608375722
6 ms 172.64.33.121
79 2026-08-14 08:10 639222917608375722
6 ms 173.245.59.121
78 2026-08-14 07:54 639222908294448500
24 ms 108.162.193.121
77 2026-08-14 07:54 639222908294448500
24 ms 172.64.33.121
76 2026-08-14 07:54 639222908294448500
24 ms 173.245.59.121
75 2026-08-14 07:39 639222898918389753
6 ms 108.162.193.121
74 2026-08-14 07:39 639222898918389753
6 ms 172.64.33.121
73 2026-08-14 07:39 639222898918389753
6 ms 173.245.59.121
72 2026-08-14 07:23 639222889625876211
2019 ms 173.245.59.121
71 2026-08-14 07:23 639222889625876211
2019 ms 172.64.33.121
70 2026-08-14 07:23 639222889625876211
2019 ms 108.162.193.121
69 2026-08-14 07:08 639222880353707528
9 ms 108.162.193.121
68 2026-08-14 07:08 639222880353707528
9 ms 172.64.33.121
67 2026-08-14 07:08 639222880353707528
9 ms 173.245.59.121
66 2026-08-14 06:52 639222871065611259
33 ms 108.162.193.121
65 2026-08-14 06:52 639222871065611259
33 ms 172.64.33.121
64 2026-08-14 06:52 639222871065611259
33 ms 173.245.59.121
63 2026-08-14 06:37 639222861517093112
42 ms 108.162.193.121
62 2026-08-14 06:37 639222861517093112
42 ms 172.64.33.121
61 2026-08-14 06:37 639222861517093112
42 ms 173.245.59.121
60 2026-08-14 05:44 639222830182717637
58 ms 108.162.193.121
59 2026-08-14 05:44 639222830182717637
58 ms 172.64.33.121
58 2026-08-14 05:44 639222830182717637
58 ms 173.245.59.121
57 2026-08-14 05:29 639222820714737422
23 ms 108.162.193.121
56 2026-08-14 05:29 639222820714737422
23 ms 172.64.33.121
55 2026-08-14 05:29 639222820714737422
23 ms 173.245.59.121
54 2026-08-14 05:13 639222811404284741
21 ms 173.245.59.121
53 2026-08-14 05:13 639222811404284741
21 ms 172.64.33.121
52 2026-08-14 05:13 639222811404284741
21 ms 108.162.193.121
51 2026-08-14 04:57 639222801994952240
46 ms 108.162.193.121
50 2026-08-14 04:57 639222801994952240
46 ms 172.64.33.121
49 2026-08-14 04:57 639222801994952240
46 ms 173.245.59.121
48 2026-08-14 04:42 639222792581940911
2012 ms 173.245.59.121
47 2026-08-14 04:42 639222792581940911
2012 ms 172.64.33.121
46 2026-08-14 04:42 639222792581940911
2012 ms 108.162.193.121
45 2026-08-14 04:26 639222783296631220
3 ms 108.162.193.121
44 2026-08-14 04:26 639222783296631220
3 ms 172.64.33.121
43 2026-08-14 04:26 639222783296631220
3 ms 173.245.59.121
42 2026-08-14 04:10 639222773909528001
8 ms 108.162.193.121
41 2026-08-14 04:10 639222773909528001
8 ms 172.64.33.121
40 2026-08-14 04:10 639222773909528001
8 ms 173.245.59.121
39 2026-08-14 03:55 639222764574707991
44 ms 172.64.33.121
38 2026-08-14 03:55 639222764574707991
44 ms 173.245.59.121
37 2026-08-14 03:55 639222764574707991
44 ms 108.162.193.121
36 2026-08-14 03:39 639222754982758281
33 ms 173.245.59.121
35 2026-08-14 03:39 639222754982758281
33 ms 172.64.33.121
34 2026-08-14 03:39 639222754982758281
33 ms 108.162.193.121
33 2026-08-14 03:23 639222745650144239
14 ms 108.162.193.121
32 2026-08-14 03:23 639222745650144239
14 ms 172.64.33.121
31 2026-08-14 03:23 639222745650144239
14 ms 173.245.59.121
30 2026-08-14 03:08 639222736060223018
16 ms 108.162.193.121
29 2026-08-14 03:08 639222736060223018
16 ms 172.64.33.121
28 2026-08-14 03:08 639222736060223018
16 ms 173.245.59.121
27 2026-08-14 02:52 639222726529271510
59 ms 173.245.59.121
26 2026-08-14 02:52 639222726529271510
59 ms 172.64.33.121
25 2026-08-14 02:52 639222726529271510
59 ms 108.162.193.121
24 2026-08-14 01:59 639222694791257846
99 ms 108.162.193.121
23 2026-08-14 01:59 639222694791257846
99 ms 173.245.59.121
22 2026-08-14 01:59 639222694791257846
99 ms 172.64.33.121
21 2026-08-14 01:43 639222685350317820
29 ms 108.162.193.121
20 2026-08-14 01:43 639222685350317820
29 ms 172.64.33.121
19 2026-08-14 01:43 639222685350317820
29 ms 173.245.59.121
18 2026-08-14 01:27 639222675895178560
26 ms 108.162.193.121
17 2026-08-14 01:27 639222675895178560
26 ms 172.64.33.121
16 2026-08-14 01:27 639222675895178560
26 ms 173.245.59.121
15 2026-08-14 01:12 639222666344182743
12 ms 172.64.33.121
14 2026-08-14 01:12 639222666344182743
12 ms 173.245.59.121
13 2026-08-14 01:12 639222666344182743
12 ms 108.162.193.121
12 2026-08-14 00:56 639222656762316965
37 ms 108.162.193.121
11 2026-08-14 00:56 639222656762316965
37 ms 172.64.33.121
10 2026-08-14 00:56 639222656762316965
37 ms 173.245.59.121
9 2026-08-14 00:40 639222647109404695
3 ms 108.162.193.121
8 2026-08-14 00:40 639222647109404695
3 ms 172.64.33.121
7 2026-08-14 00:40 639222647109404695
3 ms 173.245.59.121
6 2026-08-14 00:24 639222637659944389
4 ms 108.162.193.121
5 2026-08-14 00:24 639222637659944389
4 ms 172.64.33.121
4 2026-08-14 00:24 639222637659944389
4 ms 173.245.59.121
3 2026-08-14 00:08 639222628151417313
49 ms 108.162.193.121
2 2026-08-14 00:08 639222628151417313
49 ms 172.64.33.121
1 2026-08-14 00:08 639222628151417313
49 ms 173.245.59.121