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 2026-08-16. For this date, NameServerHistory found 178 DNS check records, 177 successful responses, 1 failed responses, and 261 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

178

Historical checks stored for this nameserver on selected date

Average Latency

261 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-16 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

177

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 2026-08-16 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
178 2026-08-16 23:46 639225207490611656
8 ms 108.162.193.121
177 2026-08-16 23:46 639225207490611656
8 ms 172.64.33.121
176 2026-08-16 23:46 639225207490611656
8 ms 173.245.59.121
175 2026-08-16 23:30 639225198045815385
74 ms 108.162.193.121
174 2026-08-16 23:30 639225198045815385
74 ms 172.64.33.121
173 2026-08-16 23:30 639225198045815385
74 ms 173.245.59.121
172 2026-08-16 22:38 639225166825544741
29 ms 172.64.33.121
171 2026-08-16 22:38 639225166825544741
29 ms 108.162.193.121
170 2026-08-16 22:38 639225166825544741
29 ms 173.245.59.121
169 2026-08-16 22:23 639225157549461269
24 ms 173.245.59.121
168 2026-08-16 22:23 639225157549461269
24 ms 172.64.33.121
167 2026-08-16 22:23 639225157549461269
24 ms 108.162.193.121
166 2026-08-16 22:07 639225147914556308
77 ms 173.245.59.121
165 2026-08-16 22:07 639225147914556308
77 ms 108.162.193.121
164 2026-08-16 22:07 639225147914556308
77 ms 172.64.33.121
163 2026-08-16 21:51 639225138472322960
12 ms 173.245.59.121
162 2026-08-16 21:51 639225138472322960
12 ms 108.162.193.121
161 2026-08-16 21:51 639225138472322960
12 ms 172.64.33.121
160 2026-08-16 20:59 639225107211236826
6 ms 108.162.193.121
159 2026-08-16 20:59 639225107211236826
6 ms 172.64.33.121
158 2026-08-16 20:59 639225107211236826
6 ms 173.245.59.121
157 2026-08-16 20:43 639225097684457510
2024 ms 173.245.59.121
156 2026-08-16 20:43 639225097684457510
2024 ms 172.64.33.121
155 2026-08-16 20:43 639225097684457510
2024 ms 108.162.193.121
154 2026-08-16 20:27 639225087942913396
4 ms 108.162.193.121
153 2026-08-16 20:27 639225087942913396
4 ms 172.64.33.121
152 2026-08-16 20:27 639225087942913396
4 ms 173.245.59.121
151 2026-08-16 20:10 639225078238684183
46 ms 108.162.193.121
150 2026-08-16 20:10 639225078238684183
46 ms 172.64.33.121
149 2026-08-16 20:10 639225078238684183
46 ms 173.245.59.121
148 2026-08-16 19:18 639225046944151094
19 ms 108.162.193.121
147 2026-08-16 19:18 639225046944151094
19 ms 172.64.33.121
146 2026-08-16 19:18 639225046944151094
19 ms 173.245.59.121
145 2026-08-16 19:02 639225037234857231
2021 ms 108.162.193.121
144 2026-08-16 19:02 639225037234857231
2021 ms 173.245.59.121
143 2026-08-16 19:02 639225037234857231
2021 ms 172.64.33.121
142 2026-08-16 18:46 639225027423459920
18 ms 108.162.193.121
141 2026-08-16 18:46 639225027423459920
18 ms 172.64.33.121
140 2026-08-16 18:46 639225027423459920
18 ms 173.245.59.121
139 2026-08-16 18:30 639225017891613027
13 ms 172.64.33.121
138 2026-08-16 18:30 639225017891613027
13 ms 173.245.59.121
137 2026-08-16 18:30 639225017891613027
13 ms 108.162.193.121
136 2026-08-16 17:37 639224986298183527
2041 ms 173.245.59.121
135 2026-08-16 17:37 639224986298183527
2041 ms 108.162.193.121
134 2026-08-16 17:37 639224986298183527
2041 ms 172.64.33.121
133 2026-08-16 17:21 639224976567107023
12 ms 173.245.59.121
132 2026-08-16 17:21 639224976567107023
12 ms 108.162.193.121
131 2026-08-16 17:21 639224976567107023
12 ms 172.64.33.121
130 2026-08-16 17:04 639224966709723386
35 ms 108.162.193.121
129 2026-08-16 17:04 639224966709723386
35 ms 172.64.33.121
128 2026-08-16 17:04 639224966709723386
35 ms 173.245.59.121
127 2026-08-16 16:49 639224957175756942
35 ms 173.245.59.121
126 2026-08-16 16:49 639224957175756942
35 ms 108.162.193.121
125 2026-08-16 16:49 639224957175756942
35 ms 172.64.33.121
124 2026-08-16 15:56 639224925782379869
3 ms 108.162.193.121
123 2026-08-16 15:56 639224925782379869
3 ms 172.64.33.121
122 2026-08-16 15:56 639224925782379869
3 ms 173.245.59.121
121 2026-08-16 15:41 639224916429532459
22 ms 173.245.59.121
120 2026-08-16 15:41 639224916429532459
22 ms 108.162.193.121
119 2026-08-16 15:41 639224916429532459
22 ms 172.64.33.121
118 2026-08-16 15:25 639224906878325623
2032 ms 173.245.59.121
117 2026-08-16 15:25 639224906878325623
2032 ms 108.162.193.121
116 2026-08-16 15:25 639224906878325623
2032 ms 172.64.33.121
115 2026-08-16 15:09 639224897258974385
58 ms 172.64.33.121
114 2026-08-16 15:09 639224897258974385
58 ms 108.162.193.121
113 2026-08-16 15:09 639224897258974385
58 ms 173.245.59.121
112 2026-08-16 14:17 639224866169532828
30 ms 172.64.33.121
111 2026-08-16 14:17 639224866169532828
30 ms 173.245.59.121
110 2026-08-16 14:17 639224866169532828
30 ms 108.162.193.121
109 2026-08-16 14:01 639224856561831915
2014 ms 173.245.59.121
108 2026-08-16 14:01 639224856561831915
2014 ms 172.64.33.121
107 2026-08-16 14:01 639224856561831915
2014 ms 108.162.193.121
106 2026-08-16 13:45 639224846830897794
50 ms 173.245.59.121
105 2026-08-16 13:45 639224846830897794
50 ms 108.162.193.121
104 2026-08-16 13:45 639224846830897794
50 ms 172.64.33.121
103 2026-08-16 13:28 639224836975863283
4 ms 108.162.193.121
102 2026-08-16 13:28 639224836975863283
4 ms 172.64.33.121
101 2026-08-16 13:28 639224836975863283
4 ms 173.245.59.121
100 2026-08-16 12:35 639224804985340946
5 ms 108.162.193.121
99 2026-08-16 12:35 639224804985340946
5 ms 172.64.33.121
98 2026-08-16 12:35 639224804985340946
5 ms 173.245.59.121
97 2026-08-16 12:19 639224795567782333
60 ms 172.64.33.121
96 2026-08-16 12:19 639224795567782333
60 ms 108.162.193.121
95 2026-08-16 12:19 639224795567782333
60 ms 173.245.59.121
94 2026-08-16 12:03 639224785914225250
4 ms 108.162.193.121
93 2026-08-16 12:03 639224785914225250
4 ms 172.64.33.121
92 2026-08-16 12:03 639224785914225250
4 ms 173.245.59.121
91 2026-08-16 11:47 639224776383854998
3 ms 108.162.193.121
90 2026-08-16 11:47 639224776383854998
3 ms 172.64.33.121
89 2026-08-16 11:47 639224776383854998
3 ms 173.245.59.121
88 2026-08-16 10:54 639224744252113993
18 ms 108.162.193.121
87 2026-08-16 10:54 639224744252113993
18 ms 172.64.33.121
86 2026-08-16 10:54 639224744252113993
18 ms 173.245.59.121
85 2026-08-16 10:37 639224734238905542
4 ms 108.162.193.121
84 2026-08-16 10:37 639224734238905542
4 ms 172.64.33.121
83 2026-08-16 10:37 639224734238905542
4 ms 173.245.59.121
82 2026-08-16 10:21 639224724335031221
5 ms 108.162.193.121
81 2026-08-16 10:21 639224724335031221
5 ms 172.64.33.121
80 2026-08-16 10:21 639224724335031221
5 ms 173.245.59.121
79 2026-08-16 10:04 639224714475244430
23 ms 108.162.193.121
78 2026-08-16 10:04 639224714475244430
23 ms 172.64.33.121
77 2026-08-16 10:04 639224714475244430
23 ms 173.245.59.121
76 2026-08-16 09:09 639224681063874153
6 ms 108.162.193.121
75 2026-08-16 09:09 639224681063874153
6 ms 173.245.59.121
74 2026-08-16 09:09 639224681063874153
6 ms 172.64.33.121
73 2026-08-16 08:52 639224671038956665
27 ms 173.245.59.121
72 2026-08-16 08:52 639224671038956665
27 ms 108.162.193.121
71 2026-08-16 08:52 639224671038956665
27 ms 172.64.33.121
70 2026-08-16 08:35 639224661079806122
4 ms 108.162.193.121
69 2026-08-16 08:35 639224661079806122
4 ms 172.64.33.121
68 2026-08-16 08:35 639224661079806122
4 ms 173.245.59.121
67 2026-08-16 08:19 639224651169993038
16 ms 108.162.193.121
66 2026-08-16 08:19 639224651169993038
16 ms 172.64.33.121
65 2026-08-16 08:19 639224651169993038
16 ms 173.245.59.121
64 2026-08-16 07:25 639224618882283050
4 ms 108.162.193.121
63 2026-08-16 07:25 639224618882283050
4 ms 172.64.33.121
62 2026-08-16 07:25 639224618882283050
4 ms 173.245.59.121
61 2026-08-16 07:10 639224609519965372
15 ms 108.162.193.121
60 2026-08-16 07:10 639224609519965372
15 ms 172.64.33.121
59 2026-08-16 07:10 639224609519965372
15 ms 173.245.59.121
58 2026-08-16 06:54 639224599969658888
31 ms 108.162.193.121
57 2026-08-16 06:54 639224599969658888
31 ms 172.64.33.121
56 2026-08-16 06:54 639224599969658888
31 ms 173.245.59.121
55 2026-08-16 06:38 639224590360343307
17 ms 108.162.193.121
54 2026-08-16 06:38 639224590360343307
17 ms 172.64.33.121
53 2026-08-16 06:38 639224590360343307
17 ms 173.245.59.121
52 2026-08-16 05:45 639224558901831832
55 ms 108.162.193.121
51 2026-08-16 05:45 639224558901831832
55 ms 172.64.33.121
50 2026-08-16 05:45 639224558901831832
55 ms 173.245.59.121
49 2026-08-16 05:30 639224549678210576
41 ms 108.162.193.121
48 2026-08-16 05:30 639224549678210576
41 ms 172.64.33.121
47 2026-08-16 05:30 639224549678210576
41 ms 173.245.59.121
46 2026-08-16 05:14 639224540433420642
3 ms 108.162.193.121
45 2026-08-16 05:14 639224540433420642
3 ms 172.64.33.121
44 2026-08-16 05:14 639224540433420642
3 ms 173.245.59.121
43 2026-08-16 04:59 639224531046032443
32 ms 173.245.59.121
42 2026-08-16 04:59 639224531046032443
32 ms 172.64.33.121
41 2026-08-16 04:59 639224531046032443
32 ms 108.162.193.121
40 2026-08-16 04:06 639224499638024410
26 ms 108.162.193.121
39 2026-08-16 04:06 639224499638024410
26 ms 172.64.33.121
38 2026-08-16 04:06 639224499638024410
26 ms 173.245.59.121
37 2026-08-16 03:51 639224490358783451
26 ms 108.162.193.121
36 2026-08-16 03:51 639224490358783451
26 ms 172.64.33.121
35 2026-08-16 03:51 639224490358783451
26 ms 173.245.59.121
34 2026-08-16 03:35 639224481111410545
23 ms 172.64.33.121
33 2026-08-16 03:35 639224481111410545
23 ms 108.162.193.121
32 2026-08-16 03:35 639224481111410545
23 ms 173.245.59.121
31 2026-08-16 03:20 639224471809153772
4 ms 108.162.193.121
30 2026-08-16 03:20 639224471809153772
4 ms 172.64.33.121
29 2026-08-16 03:20 639224471809153772
4 ms 173.245.59.121
28 2026-08-16 02:27 639224440124457324
17 ms 108.162.193.121
27 2026-08-16 02:27 639224440124457324
17 ms 172.64.33.121
26 2026-08-16 02:27 639224440124457324
17 ms 173.245.59.121
25 2026-08-16 02:12 639224430921105721
13 ms 108.162.193.121
24 2026-08-16 02:12 639224430921105721
13 ms 172.64.33.121
23 2026-08-16 02:12 639224430921105721
13 ms 173.245.59.121
22 2026-08-16 01:56 639224421455433103
34 ms 173.245.59.121
21 2026-08-16 01:56 639224421455433103
34 ms 172.64.33.121
20 2026-08-16 01:56 639224421455433103
34 ms 108.162.193.121
19 2026-08-16 01:40 639224412089740331
15 ms 172.64.33.121
18 2026-08-16 01:40 639224412089740331
15 ms 173.245.59.121
17 2026-08-16 01:40 639224412089740331
15 ms 108.162.193.121
16 2026-08-16 01:25 639224403168392868
33 ms 108.162.193.121
15 2026-08-16 01:25 639224403168392868
33 ms 173.245.59.121
14 2026-08-16 01:25 639224403168392868
33 ms 172.64.33.121
13 2026-08-16 01:10 639224393856251387
2012 ms 173.245.59.121
12 2026-08-16 01:10 639224393856251387
2012 ms 172.64.33.121
11 2026-08-16 01:10 639224393856251387
2012 ms 108.162.193.121
10 2026-08-16 00:54 639224384677141438
32 ms 108.162.193.121
9 2026-08-16 00:54 639224384677141438
32 ms 173.245.59.121
8 2026-08-16 00:54 639224384677141438
32 ms 172.64.33.121
7 2026-08-16 00:39 639224375597986398
42 ms 172.64.33.121
6 2026-08-16 00:39 639224375597986398
42 ms 108.162.193.121
5 2026-08-16 00:39 639224375597986398
42 ms 173.245.59.121
4 2026-08-16 00:24 639224366430296466
-
3 2026-08-16 00:09 639224357218176789
2019 ms 108.162.193.121
2 2026-08-16 00:09 639224357218176789
2019 ms 173.245.59.121
1 2026-08-16 00:09 639224357218176789
2019 ms 172.64.33.121