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 2026-08-08. For this date, NameServerHistory found 192 DNS check records, 192 successful responses, 0 failed responses, and 241 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

192

Historical checks stored for this nameserver on selected date

Average Latency

241 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-08 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

192

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 2026-08-08 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
192 2026-08-08 23:56 639218300987184335
20 ms 108.162.193.121
191 2026-08-08 23:56 639218300987184335
20 ms 172.64.33.121
190 2026-08-08 23:56 639218300987184335
20 ms 173.245.59.121
189 2026-08-08 23:41 639218291874134258
5 ms 108.162.193.121
188 2026-08-08 23:41 639218291874134258
5 ms 172.64.33.121
187 2026-08-08 23:41 639218291874134258
5 ms 173.245.59.121
186 2026-08-08 23:26 639218282817785496
16 ms 172.64.33.121
185 2026-08-08 23:26 639218282817785496
16 ms 173.245.59.121
184 2026-08-08 23:26 639218282817785496
16 ms 108.162.193.121
183 2026-08-08 22:35 639218252106422334
38 ms 108.162.193.121
182 2026-08-08 22:35 639218252106422334
38 ms 172.64.33.121
181 2026-08-08 22:35 639218252106422334
38 ms 173.245.59.121
180 2026-08-08 22:20 639218243323944113
4 ms 108.162.193.121
179 2026-08-08 22:20 639218243323944113
4 ms 172.64.33.121
178 2026-08-08 22:20 639218243323944113
4 ms 173.245.59.121
177 2026-08-08 22:05 639218234397020230
40 ms 108.162.193.121
176 2026-08-08 22:05 639218234397020230
40 ms 172.64.33.121
175 2026-08-08 22:05 639218234397020230
40 ms 173.245.59.121
174 2026-08-08 21:50 639218225412858763
21 ms 108.162.193.121
173 2026-08-08 21:50 639218225412858763
21 ms 172.64.33.121
172 2026-08-08 21:50 639218225412858763
21 ms 173.245.59.121
171 2026-08-08 20:57 639218194282616684
10 ms 108.162.193.121
170 2026-08-08 20:57 639218194282616684
10 ms 172.64.33.121
169 2026-08-08 20:57 639218194282616684
10 ms 173.245.59.121
168 2026-08-08 20:42 639218185036989606
120 ms 108.162.193.121
167 2026-08-08 20:42 639218185036989606
120 ms 172.64.33.121
166 2026-08-08 20:42 639218185036989606
120 ms 173.245.59.121
165 2026-08-08 20:26 639218175974363575
11 ms 108.162.193.121
164 2026-08-08 20:26 639218175974363575
11 ms 172.64.33.121
163 2026-08-08 20:26 639218175974363575
11 ms 173.245.59.121
162 2026-08-08 20:11 639218166972644815
10 ms 108.162.193.121
161 2026-08-08 20:11 639218166972644815
10 ms 172.64.33.121
160 2026-08-08 20:11 639218166972644815
10 ms 173.245.59.121
159 2026-08-08 19:20 639218135900313734
26 ms 108.162.193.121
158 2026-08-08 19:20 639218135900313734
26 ms 172.64.33.121
157 2026-08-08 19:20 639218135900313734
26 ms 173.245.59.121
156 2026-08-08 19:05 639218127088470726
2033 ms 173.245.59.121
155 2026-08-08 19:05 639218127088470726
2033 ms 172.64.33.121
154 2026-08-08 19:05 639218127088470726
2033 ms 108.162.193.121
153 2026-08-08 18:50 639218118310406743
2013 ms 172.64.33.121
152 2026-08-08 18:50 639218118310406743
2013 ms 173.245.59.121
151 2026-08-08 18:50 639218118310406743
2013 ms 108.162.193.121
150 2026-08-08 18:36 639218109452520238
7 ms 108.162.193.121
149 2026-08-08 18:36 639218109452520238
7 ms 172.64.33.121
148 2026-08-08 18:36 639218109452520238
7 ms 173.245.59.121
147 2026-08-08 17:44 639218078440804962
2021 ms 108.162.193.121
146 2026-08-08 17:44 639218078440804962
2021 ms 172.64.33.121
145 2026-08-08 17:44 639218078440804962
2021 ms 173.245.59.121
144 2026-08-08 17:30 639218069827056995
7 ms 108.162.193.121
143 2026-08-08 17:30 639218069827056995
7 ms 172.64.33.121
142 2026-08-08 17:30 639218069827056995
7 ms 173.245.59.121
141 2026-08-08 17:15 639218060928974999
2034 ms 172.64.33.121
140 2026-08-08 17:15 639218060928974999
2034 ms 108.162.193.121
139 2026-08-08 17:15 639218060928974999
2034 ms 173.245.59.121
138 2026-08-08 17:00 639218052072104591
8 ms 108.162.193.121
137 2026-08-08 17:00 639218052072104591
8 ms 172.64.33.121
136 2026-08-08 17:00 639218052072104591
8 ms 173.245.59.121
135 2026-08-08 16:08 639218021131612993
2009 ms 172.64.33.121
134 2026-08-08 16:08 639218021131612993
2009 ms 173.245.59.121
133 2026-08-08 16:08 639218021131612993
2009 ms 108.162.193.121
132 2026-08-08 15:54 639218012544891033
12 ms 172.64.33.121
131 2026-08-08 15:54 639218012544891033
12 ms 173.245.59.121
130 2026-08-08 15:54 639218012544891033
12 ms 108.162.193.121
129 2026-08-08 15:39 639218003733822367
38 ms 108.162.193.121
128 2026-08-08 15:39 639218003733822367
38 ms 173.245.59.121
127 2026-08-08 15:39 639218003733822367
38 ms 172.64.33.121
126 2026-08-08 15:25 639217994998349201
5 ms 108.162.193.121
125 2026-08-08 15:25 639217994998349201
5 ms 172.64.33.121
124 2026-08-08 15:25 639217994998349201
5 ms 173.245.59.121
123 2026-08-08 14:33 639217963788814319
36 ms 108.162.193.121
122 2026-08-08 14:33 639217963788814319
36 ms 172.64.33.121
121 2026-08-08 14:33 639217963788814319
36 ms 173.245.59.121
120 2026-08-08 14:18 639217955087396874
4 ms 108.162.193.121
119 2026-08-08 14:18 639217955087396874
4 ms 172.64.33.121
118 2026-08-08 14:18 639217955087396874
4 ms 173.245.59.121
117 2026-08-08 14:03 639217946350294952
27 ms 108.162.193.121
116 2026-08-08 14:03 639217946350294952
27 ms 173.245.59.121
115 2026-08-08 14:03 639217946350294952
27 ms 172.64.33.121
114 2026-08-08 13:49 639217937526020436
4 ms 108.162.193.121
113 2026-08-08 13:49 639217937526020436
4 ms 172.64.33.121
112 2026-08-08 13:49 639217937526020436
4 ms 173.245.59.121
111 2026-08-08 12:58 639217906769667024
26 ms 108.162.193.121
110 2026-08-08 12:58 639217906769667024
26 ms 172.64.33.121
109 2026-08-08 12:58 639217906769667024
26 ms 173.245.59.121
108 2026-08-08 12:43 639217898300938849
91 ms 108.162.193.121
107 2026-08-08 12:43 639217898300938849
91 ms 172.64.33.121
106 2026-08-08 12:43 639217898300938849
91 ms 173.245.59.121
105 2026-08-08 12:29 639217889778639925
32 ms 172.64.33.121
104 2026-08-08 12:29 639217889778639925
32 ms 173.245.59.121
103 2026-08-08 12:29 639217889778639925
32 ms 108.162.193.121
102 2026-08-08 12:15 639217881083065140
2036 ms 108.162.193.121
101 2026-08-08 12:15 639217881083065140
2036 ms 173.245.59.121
100 2026-08-08 12:15 639217881083065140
2036 ms 172.64.33.121
99 2026-08-08 11:24 639217850620659312
10 ms 108.162.193.121
98 2026-08-08 11:24 639217850620659312
10 ms 172.64.33.121
97 2026-08-08 11:24 639217850620659312
10 ms 173.245.59.121
96 2026-08-08 11:10 639217841938624907
4 ms 108.162.193.121
95 2026-08-08 11:10 639217841938624907
4 ms 172.64.33.121
94 2026-08-08 11:10 639217841938624907
4 ms 173.245.59.121
93 2026-08-08 10:55 639217833389546843
11 ms 108.162.193.121
92 2026-08-08 10:55 639217833389546843
11 ms 173.245.59.121
91 2026-08-08 10:55 639217833389546843
11 ms 172.64.33.121
90 2026-08-08 10:41 639217824846173945
4 ms 108.162.193.121
89 2026-08-08 10:41 639217824846173945
4 ms 172.64.33.121
88 2026-08-08 10:41 639217824846173945
4 ms 173.245.59.121
87 2026-08-08 09:49 639217793807292972
36 ms 108.162.193.121
86 2026-08-08 09:49 639217793807292972
36 ms 172.64.33.121
85 2026-08-08 09:49 639217793807292972
36 ms 173.245.59.121
84 2026-08-08 09:35 639217785208951403
20 ms 172.64.33.121
83 2026-08-08 09:35 639217785208951403
20 ms 173.245.59.121
82 2026-08-08 09:35 639217785208951403
20 ms 108.162.193.121
81 2026-08-08 09:21 639217776566534942
14 ms 108.162.193.121
80 2026-08-08 09:21 639217776566534942
14 ms 172.64.33.121
79 2026-08-08 09:21 639217776566534942
14 ms 173.245.59.121
78 2026-08-08 09:06 639217767935139326
35 ms 108.162.193.121
77 2026-08-08 09:06 639217767935139326
35 ms 173.245.59.121
76 2026-08-08 09:06 639217767935139326
35 ms 172.64.33.121
75 2026-08-08 08:15 639217737225367411
62 ms 108.162.193.121
74 2026-08-08 08:15 639217737225367411
62 ms 172.64.33.121
73 2026-08-08 08:15 639217737225367411
62 ms 173.245.59.121
72 2026-08-08 08:01 639217728765093674
4 ms 108.162.193.121
71 2026-08-08 08:01 639217728765093674
4 ms 172.64.33.121
70 2026-08-08 08:01 639217728765093674
4 ms 173.245.59.121
69 2026-08-08 07:47 639217720136905586
5 ms 108.162.193.121
68 2026-08-08 07:47 639217720136905586
5 ms 172.64.33.121
67 2026-08-08 07:47 639217720136905586
5 ms 173.245.59.121
66 2026-08-08 07:32 639217711410853004
11 ms 108.162.193.121
65 2026-08-08 07:32 639217711410853004
11 ms 172.64.33.121
64 2026-08-08 07:32 639217711410853004
11 ms 173.245.59.121
63 2026-08-08 06:41 639217680275549698
7 ms 108.162.193.121
62 2026-08-08 06:41 639217680275549698
7 ms 172.64.33.121
61 2026-08-08 06:41 639217680275549698
7 ms 173.245.59.121
60 2026-08-08 06:26 639217671340563867
3 ms 108.162.193.121
59 2026-08-08 06:26 639217671340563867
3 ms 172.64.33.121
58 2026-08-08 06:26 639217671340563867
3 ms 173.245.59.121
57 2026-08-08 06:12 639217662739829952
36 ms 173.245.59.121
56 2026-08-08 06:12 639217662739829952
36 ms 172.64.33.121
55 2026-08-08 06:12 639217662739829952
36 ms 108.162.193.121
54 2026-08-08 05:57 639217654129395144
47 ms 108.162.193.121
53 2026-08-08 05:57 639217654129395144
47 ms 172.64.33.121
52 2026-08-08 05:57 639217654129395144
47 ms 173.245.59.121
51 2026-08-08 05:07 639217623690502934
34 ms 108.162.193.121
50 2026-08-08 05:07 639217623690502934
34 ms 172.64.33.121
49 2026-08-08 05:07 639217623690502934
34 ms 173.245.59.121
48 2026-08-08 04:53 639217615180184169
3 ms 108.162.193.121
47 2026-08-08 04:53 639217615180184169
3 ms 172.64.33.121
46 2026-08-08 04:53 639217615180184169
3 ms 173.245.59.121
45 2026-08-08 04:39 639217606737293244
22 ms 108.162.193.121
44 2026-08-08 04:39 639217606737293244
22 ms 172.64.33.121
43 2026-08-08 04:39 639217606737293244
22 ms 173.245.59.121
42 2026-08-08 04:24 639217598089858483
31 ms 173.245.59.121
41 2026-08-08 04:24 639217598089858483
31 ms 172.64.33.121
40 2026-08-08 04:24 639217598089858483
31 ms 108.162.193.121
39 2026-08-08 03:33 639217567343169140
3 ms 108.162.193.121
38 2026-08-08 03:33 639217567343169140
3 ms 172.64.33.121
37 2026-08-08 03:33 639217567343169140
3 ms 173.245.59.121
36 2026-08-08 03:18 639217558743892856
12 ms 108.162.193.121
35 2026-08-08 03:18 639217558743892856
12 ms 172.64.33.121
34 2026-08-08 03:18 639217558743892856
12 ms 173.245.59.121
33 2026-08-08 03:04 639217550069823359
9 ms 172.64.33.121
32 2026-08-08 03:04 639217550069823359
9 ms 173.245.59.121
31 2026-08-08 03:04 639217550069823359
9 ms 108.162.193.121
30 2026-08-08 02:50 639217541571663863
4 ms 108.162.193.121
29 2026-08-08 02:50 639217541571663863
4 ms 172.64.33.121
28 2026-08-08 02:50 639217541571663863
4 ms 173.245.59.121
27 2026-08-08 01:57 639217510598671918
11 ms 108.162.193.121
26 2026-08-08 01:57 639217510598671918
11 ms 172.64.33.121
25 2026-08-08 01:57 639217510598671918
11 ms 173.245.59.121
24 2026-08-08 01:43 639217501853904641
26 ms 108.162.193.121
23 2026-08-08 01:43 639217501853904641
26 ms 172.64.33.121
22 2026-08-08 01:43 639217501853904641
26 ms 173.245.59.121
21 2026-08-08 01:28 639217492857464038
29 ms 108.162.193.121
20 2026-08-08 01:28 639217492857464038
29 ms 172.64.33.121
19 2026-08-08 01:28 639217492857464038
29 ms 173.245.59.121
18 2026-08-08 01:13 639217483935810845
12 ms 108.162.193.121
17 2026-08-08 01:13 639217483935810845
12 ms 172.64.33.121
16 2026-08-08 01:13 639217483935810845
12 ms 173.245.59.121
15 2026-08-08 00:58 639217475281344873
37 ms 108.162.193.121
14 2026-08-08 00:58 639217475281344873
37 ms 172.64.33.121
13 2026-08-08 00:58 639217475281344873
37 ms 173.245.59.121
12 2026-08-08 00:44 639217466591266473
25 ms 108.162.193.121
11 2026-08-08 00:44 639217466591266473
25 ms 172.64.33.121
10 2026-08-08 00:44 639217466591266473
25 ms 173.245.59.121
9 2026-08-08 00:29 639217457842031506
29 ms 108.162.193.121
8 2026-08-08 00:29 639217457842031506
29 ms 172.64.33.121
7 2026-08-08 00:29 639217457842031506
29 ms 173.245.59.121
6 2026-08-08 00:15 639217449192590684
2024 ms 172.64.33.121
5 2026-08-08 00:15 639217449192590684
2024 ms 173.245.59.121
4 2026-08-08 00:15 639217449192590684
2024 ms 108.162.193.121
3 2026-08-08 00:00 639217440385817840
11 ms 108.162.193.121
2 2026-08-08 00:00 639217440385817840
11 ms 172.64.33.121
1 2026-08-08 00:00 639217440385817840
11 ms 173.245.59.121