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 2026-08-27. For this date, NameServerHistory found 193 DNS check records, 192 successful responses, 1 failed responses, and 70 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

193

Historical checks stored for this nameserver on selected date

Average Latency

70 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-27 21:29

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

1

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 2026-08-27 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
193 2026-08-27 21:29 639234629372993861
169 ms 108.162.193.121
192 2026-08-27 21:29 639234629372993861
169 ms 172.64.33.121
191 2026-08-27 21:29 639234629372993861
169 ms 173.245.59.121
190 2026-08-27 21:12 639234619223904344
152 ms 108.162.193.121
189 2026-08-27 21:12 639234619223904344
152 ms 172.64.33.121
188 2026-08-27 21:12 639234619223904344
152 ms 173.245.59.121
187 2026-08-27 20:55 639234608944811927
138 ms 108.162.193.121
186 2026-08-27 20:55 639234608944811927
138 ms 172.64.33.121
185 2026-08-27 20:55 639234608944811927
138 ms 173.245.59.121
184 2026-08-27 20:38 639234598661858910
8 ms 108.162.193.121
183 2026-08-27 20:38 639234598661858910
8 ms 172.64.33.121
182 2026-08-27 20:38 639234598661858910
8 ms 173.245.59.121
181 2026-08-27 20:21 639234588314533893
88 ms 108.162.193.121
180 2026-08-27 20:21 639234588314533893
88 ms 172.64.33.121
179 2026-08-27 20:21 639234588314533893
88 ms 173.245.59.121
178 2026-08-27 20:03 639234577878211878
623 ms 108.162.193.121
177 2026-08-27 20:03 639234577878211878
623 ms 172.64.33.121
176 2026-08-27 20:03 639234577878211878
623 ms 173.245.59.121
175 2026-08-27 19:10 639234545578367474
29 ms 108.162.193.121
174 2026-08-27 19:10 639234545578367474
29 ms 172.64.33.121
173 2026-08-27 19:10 639234545578367474
29 ms 173.245.59.121
172 2026-08-27 18:52 639234535255111795
12 ms 108.162.193.121
171 2026-08-27 18:52 639234535255111795
12 ms 172.64.33.121
170 2026-08-27 18:52 639234535255111795
12 ms 173.245.59.121
169 2026-08-27 18:35 639234525107594067
16 ms 108.162.193.121
168 2026-08-27 18:35 639234525107594067
16 ms 172.64.33.121
167 2026-08-27 18:35 639234525107594067
16 ms 173.245.59.121
166 2026-08-27 18:18 639234514890244566
6 ms 108.162.193.121
165 2026-08-27 18:18 639234514890244566
6 ms 172.64.33.121
164 2026-08-27 18:18 639234514890244566
6 ms 173.245.59.121
163 2026-08-27 18:01 639234504745477862
158 ms 108.162.193.121
162 2026-08-27 18:01 639234504745477862
158 ms 172.64.33.121
161 2026-08-27 18:01 639234504745477862
158 ms 173.245.59.121
160 2026-08-27 17:44 639234494449227290
49 ms 108.162.193.121
159 2026-08-27 17:44 639234494449227290
49 ms 172.64.33.121
158 2026-08-27 17:44 639234494449227290
49 ms 173.245.59.121
157 2026-08-27 17:27 639234484118025686
5 ms 108.162.193.121
156 2026-08-27 17:27 639234484118025686
5 ms 172.64.33.121
155 2026-08-27 17:27 639234484118025686
5 ms 173.245.59.121
154 2026-08-27 17:10 639234473946362077
10 ms 108.162.193.121
153 2026-08-27 17:10 639234473946362077
10 ms 172.64.33.121
152 2026-08-27 17:10 639234473946362077
10 ms 173.245.59.121
151 2026-08-27 16:53 639234463759124388
35 ms 108.162.193.121
150 2026-08-27 16:53 639234463759124388
35 ms 172.64.33.121
149 2026-08-27 16:53 639234463759124388
35 ms 173.245.59.121
148 2026-08-27 16:36 639234453500759178
54 ms 108.162.193.121
147 2026-08-27 16:36 639234453500759178
54 ms 172.64.33.121
146 2026-08-27 16:36 639234453500759178
54 ms 173.245.59.121
145 2026-08-27 16:19 639234442983541638
22 ms 108.162.193.121
144 2026-08-27 16:19 639234442983541638
22 ms 172.64.33.121
143 2026-08-27 16:19 639234442983541638
22 ms 173.245.59.121
142 2026-08-27 16:01 639234432404354562
18 ms 108.162.193.121
141 2026-08-27 16:01 639234432404354562
18 ms 172.64.33.121
140 2026-08-27 16:01 639234432404354562
18 ms 173.245.59.121
139 2026-08-27 15:06 639234399767719119
23 ms 108.162.193.121
138 2026-08-27 15:06 639234399767719119
23 ms 172.64.33.121
137 2026-08-27 15:06 639234399767719119
23 ms 173.245.59.121
136 2026-08-27 14:49 639234389460601485
210 ms 108.162.193.121
135 2026-08-27 14:49 639234389460601485
210 ms 172.64.33.121
134 2026-08-27 14:49 639234389460601485
210 ms 173.245.59.121
133 2026-08-27 14:32 639234379227178707
26 ms 108.162.193.121
132 2026-08-27 14:32 639234379227178707
26 ms 172.64.33.121
131 2026-08-27 14:32 639234379227178707
26 ms 173.245.59.121
130 2026-08-27 14:15 639234369065315214
38 ms 108.162.193.121
129 2026-08-27 14:15 639234369065315214
38 ms 172.64.33.121
128 2026-08-27 14:15 639234369065315214
38 ms 173.245.59.121
127 2026-08-27 13:58 639234358825501576
70 ms 108.162.193.121
126 2026-08-27 13:58 639234358825501576
70 ms 172.64.33.121
125 2026-08-27 13:58 639234358825501576
70 ms 173.245.59.121
124 2026-08-27 13:41 639234348572745268
14 ms 108.162.193.121
123 2026-08-27 13:41 639234348572745268
14 ms 172.64.33.121
122 2026-08-27 13:41 639234348572745268
14 ms 173.245.59.121
121 2026-08-27 13:24 639234338264503481
25 ms 108.162.193.121
120 2026-08-27 13:24 639234338264503481
25 ms 172.64.33.121
119 2026-08-27 13:24 639234338264503481
25 ms 173.245.59.121
118 2026-08-27 13:07 639234327818741376
109 ms 108.162.193.121
117 2026-08-27 13:07 639234327818741376
109 ms 172.64.33.121
116 2026-08-27 13:07 639234327818741376
109 ms 173.245.59.121
115 2026-08-27 12:49 639234317475724313
141 ms 108.162.193.121
114 2026-08-27 12:49 639234317475724313
141 ms 172.64.33.121
113 2026-08-27 12:49 639234317475724313
141 ms 173.245.59.121
112 2026-08-27 12:32 639234307007468133
23 ms 108.162.193.121
111 2026-08-27 12:32 639234307007468133
23 ms 172.64.33.121
110 2026-08-27 12:32 639234307007468133
23 ms 173.245.59.121
109 2026-08-27 12:15 639234296664302575
158 ms 108.162.193.121
108 2026-08-27 12:15 639234296664302575
158 ms 172.64.33.121
107 2026-08-27 12:15 639234296664302575
158 ms 173.245.59.121
106 2026-08-27 11:57 639234286253196126
78 ms 108.162.193.121
105 2026-08-27 11:57 639234286253196126
78 ms 172.64.33.121
104 2026-08-27 11:57 639234286253196126
78 ms 173.245.59.121
103 2026-08-27 11:04 639234253963286387
143 ms 108.162.193.121
102 2026-08-27 11:04 639234253963286387
143 ms 172.64.33.121
101 2026-08-27 11:04 639234253963286387
143 ms 173.245.59.121
100 2026-08-27 10:46 639234243654907465
137 ms 108.162.193.121
99 2026-08-27 10:46 639234243654907465
137 ms 172.64.33.121
98 2026-08-27 10:46 639234243654907465
137 ms 173.245.59.121
97 2026-08-27 10:29 639234233269654413
30 ms 108.162.193.121
96 2026-08-27 10:29 639234233269654413
30 ms 172.64.33.121
95 2026-08-27 10:29 639234233269654413
30 ms 173.245.59.121
94 2026-08-27 10:12 639234222943951923
-
93 2026-08-27 09:55 639234212558002823
33 ms 108.162.193.121
92 2026-08-27 09:55 639234212558002823
33 ms 172.64.33.121
91 2026-08-27 09:55 639234212558002823
33 ms 173.245.59.121
90 2026-08-27 09:37 639234202117531850
33 ms 108.162.193.121
89 2026-08-27 09:37 639234202117531850
33 ms 172.64.33.121
88 2026-08-27 09:37 639234202117531850
33 ms 173.245.59.121
87 2026-08-27 09:20 639234191649612722
19 ms 108.162.193.121
86 2026-08-27 09:20 639234191649612722
19 ms 172.64.33.121
85 2026-08-27 09:20 639234191649612722
19 ms 173.245.59.121
84 2026-08-27 09:02 639234181105879568
36 ms 108.162.193.121
83 2026-08-27 09:02 639234181105879568
36 ms 172.64.33.121
82 2026-08-27 09:02 639234181105879568
36 ms 173.245.59.121
81 2026-08-27 08:45 639234170713214496
37 ms 108.162.193.121
80 2026-08-27 08:45 639234170713214496
37 ms 172.64.33.121
79 2026-08-27 08:45 639234170713214496
37 ms 173.245.59.121
78 2026-08-27 08:27 639234160341037652
7 ms 108.162.193.121
77 2026-08-27 08:27 639234160341037652
7 ms 172.64.33.121
76 2026-08-27 08:27 639234160341037652
7 ms 173.245.59.121
75 2026-08-27 08:10 639234149799404224
138 ms 108.162.193.121
74 2026-08-27 08:10 639234149799404224
138 ms 172.64.33.121
73 2026-08-27 08:10 639234149799404224
138 ms 173.245.59.121
72 2026-08-27 07:53 639234139553286469
10 ms 108.162.193.121
71 2026-08-27 07:53 639234139553286469
10 ms 172.64.33.121
70 2026-08-27 07:53 639234139553286469
10 ms 173.245.59.121
69 2026-08-27 06:59 639234107183588293
129 ms 108.162.193.121
68 2026-08-27 06:59 639234107183588293
129 ms 172.64.33.121
67 2026-08-27 06:59 639234107183588293
129 ms 173.245.59.121
66 2026-08-27 06:42 639234096905435724
19 ms 108.162.193.121
65 2026-08-27 06:42 639234096905435724
19 ms 172.64.33.121
64 2026-08-27 06:42 639234096905435724
19 ms 173.245.59.121
63 2026-08-27 06:25 639234086579410775
25 ms 108.162.193.121
62 2026-08-27 06:25 639234086579410775
25 ms 172.64.33.121
61 2026-08-27 06:25 639234086579410775
25 ms 173.245.59.121
60 2026-08-27 06:07 639234076291157956
20 ms 108.162.193.121
59 2026-08-27 06:07 639234076291157956
20 ms 172.64.33.121
58 2026-08-27 06:07 639234076291157956
20 ms 173.245.59.121
57 2026-08-27 05:50 639234065981939454
6 ms 108.162.193.121
56 2026-08-27 05:50 639234065981939454
6 ms 172.64.33.121
55 2026-08-27 05:50 639234065981939454
6 ms 173.245.59.121
54 2026-08-27 05:33 639234055548642997
31 ms 108.162.193.121
53 2026-08-27 05:33 639234055548642997
31 ms 172.64.33.121
52 2026-08-27 05:33 639234055548642997
31 ms 173.245.59.121
51 2026-08-27 05:16 639234045267979603
24 ms 108.162.193.121
50 2026-08-27 05:16 639234045267979603
24 ms 172.64.33.121
49 2026-08-27 05:16 639234045267979603
24 ms 173.245.59.121
48 2026-08-27 04:59 639234034999717463
12 ms 108.162.193.121
47 2026-08-27 04:59 639234034999717463
12 ms 172.64.33.121
46 2026-08-27 04:59 639234034999717463
12 ms 173.245.59.121
45 2026-08-27 04:42 639234024739225358
79 ms 108.162.193.121
44 2026-08-27 04:42 639234024739225358
79 ms 172.64.33.121
43 2026-08-27 04:42 639234024739225358
79 ms 173.245.59.121
42 2026-08-27 04:24 639234014311170162
29 ms 108.162.193.121
41 2026-08-27 04:24 639234014311170162
29 ms 172.64.33.121
40 2026-08-27 04:24 639234014311170162
29 ms 173.245.59.121
39 2026-08-27 04:07 639234003806017640
97 ms 108.162.193.121
38 2026-08-27 04:07 639234003806017640
97 ms 172.64.33.121
37 2026-08-27 04:07 639234003806017640
97 ms 173.245.59.121
36 2026-08-27 03:49 639233993356203030
181 ms 108.162.193.121
35 2026-08-27 03:49 639233993356203030
181 ms 172.64.33.121
34 2026-08-27 03:49 639233993356203030
181 ms 173.245.59.121
33 2026-08-27 02:56 639233961301716608
49 ms 108.162.193.121
32 2026-08-27 02:56 639233961301716608
49 ms 172.64.33.121
31 2026-08-27 02:56 639233961301716608
49 ms 173.245.59.121
30 2026-08-27 02:38 639233950834200647
114 ms 108.162.193.121
29 2026-08-27 02:38 639233950834200647
114 ms 172.64.33.121
28 2026-08-27 02:38 639233950834200647
114 ms 173.245.59.121
27 2026-08-27 02:21 639233940431849026
16 ms 108.162.193.121
26 2026-08-27 02:21 639233940431849026
16 ms 172.64.33.121
25 2026-08-27 02:21 639233940431849026
16 ms 173.245.59.121
24 2026-08-27 02:04 639233930110596398
70 ms 108.162.193.121
23 2026-08-27 02:04 639233930110596398
70 ms 172.64.33.121
22 2026-08-27 02:04 639233930110596398
70 ms 173.245.59.121
21 2026-08-27 01:46 639233919705434540
11 ms 108.162.193.121
20 2026-08-27 01:46 639233919705434540
11 ms 172.64.33.121
19 2026-08-27 01:46 639233919705434540
11 ms 173.245.59.121
18 2026-08-27 01:29 639233909452807845
150 ms 108.162.193.121
17 2026-08-27 01:29 639233909452807845
150 ms 172.64.33.121
16 2026-08-27 01:29 639233909452807845
150 ms 173.245.59.121
15 2026-08-27 01:12 639233899096420820
22 ms 108.162.193.121
14 2026-08-27 01:12 639233899096420820
22 ms 172.64.33.121
13 2026-08-27 01:12 639233899096420820
22 ms 173.245.59.121
12 2026-08-27 00:55 639233888707824939
107 ms 108.162.193.121
11 2026-08-27 00:55 639233888707824939
107 ms 172.64.33.121
10 2026-08-27 00:55 639233888707824939
107 ms 173.245.59.121
9 2026-08-27 00:38 639233878461203802
9 ms 108.162.193.121
8 2026-08-27 00:38 639233878461203802
9 ms 172.64.33.121
7 2026-08-27 00:38 639233878461203802
9 ms 173.245.59.121
6 2026-08-27 00:20 639233868060868209
82 ms 108.162.193.121
5 2026-08-27 00:20 639233868060868209
82 ms 172.64.33.121
4 2026-08-27 00:20 639233868060868209
82 ms 173.245.59.121
3 2026-08-27 00:03 639233857450922991
43 ms 108.162.193.121
2 2026-08-27 00:03 639233857450922991
43 ms 172.64.33.121
1 2026-08-27 00:03 639233857450922991
43 ms 173.245.59.121