DNS response history for bob.ns.cloudflare.com

bob.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 2026-08-21. For this date, NameServerHistory found 212 DNS check records, 210 successful responses, 2 failed responses, and 52 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 bob.ns.cloudflare.com.
Records on Selected Date

212

Historical checks stored for this nameserver on selected date

Average Latency

52 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-21 23:46

All timestamps shown in UTC

Latest Resolved IP on Selected Date

108.162.193.104

Most recently resolved hosting IP on selected date

Successful Responses

210

Checks that returned a measurable response

Failed Responses

2

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 bob.ns.cloudflare.com

Showing DNS history for 2026-08-21 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
212 2026-08-21 23:46 639229527598660841
7 ms 108.162.193.104
211 2026-08-21 23:46 639229527598660841
7 ms 172.64.33.104
210 2026-08-21 23:46 639229527598660841
7 ms 173.245.59.104
209 2026-08-21 23:30 639229517954323214
26 ms 173.245.59.104
208 2026-08-21 23:30 639229517954323214
26 ms 108.162.193.104
207 2026-08-21 23:30 639229517954323214
26 ms 172.64.33.104
206 2026-08-21 23:13 639229508269999021
14 ms 108.162.193.104
205 2026-08-21 23:13 639229508269999021
14 ms 173.245.59.104
204 2026-08-21 23:13 639229508269999021
14 ms 172.64.33.104
203 2026-08-21 22:57 639229498559060171
25 ms 108.162.193.104
202 2026-08-21 22:57 639229498559060171
25 ms 172.64.33.104
201 2026-08-21 22:57 639229498559060171
25 ms 173.245.59.104
200 2026-08-21 22:40 639229488519347586
7 ms 108.162.193.104
199 2026-08-21 22:40 639229488519347586
7 ms 172.64.33.104
198 2026-08-21 22:40 639229488519347586
7 ms 173.245.59.104
197 2026-08-21 21:47 639229456606578934
3 ms 108.162.193.104
196 2026-08-21 21:47 639229456606578934
3 ms 172.64.33.104
195 2026-08-21 21:47 639229456606578934
3 ms 173.245.59.104
194 2026-08-21 21:31 639229446985772499
21 ms 108.162.193.104
193 2026-08-21 21:31 639229446985772499
21 ms 172.64.33.104
192 2026-08-21 21:31 639229446985772499
21 ms 173.245.59.104
191 2026-08-21 21:15 639229437367313098
58 ms 173.245.59.104
190 2026-08-21 21:15 639229437367313098
58 ms 172.64.33.104
189 2026-08-21 21:15 639229437367313098
58 ms 108.162.193.104
188 2026-08-21 20:59 639229427923950391
5 ms 108.162.193.104
187 2026-08-21 20:59 639229427923950391
5 ms 172.64.33.104
186 2026-08-21 20:59 639229427923950391
5 ms 173.245.59.104
185 2026-08-21 20:43 639229418168588854
4 ms 108.162.193.104
184 2026-08-21 20:43 639229418168588854
4 ms 172.64.33.104
183 2026-08-21 20:43 639229418168588854
4 ms 173.245.59.104
182 2026-08-21 20:27 639229408345678334
18 ms 108.162.193.104
181 2026-08-21 20:27 639229408345678334
18 ms 172.64.33.104
180 2026-08-21 20:27 639229408345678334
18 ms 173.245.59.104
179 2026-08-21 20:11 639229398616354648
5 ms 108.162.193.104
178 2026-08-21 20:11 639229398616354648
5 ms 172.64.33.104
177 2026-08-21 20:11 639229398616354648
5 ms 173.245.59.104
176 2026-08-21 19:54 639229388634592323
36 ms 108.162.193.104
175 2026-08-21 19:54 639229388634592323
36 ms 172.64.33.104
174 2026-08-21 19:54 639229388634592323
36 ms 173.245.59.104
173 2026-08-21 19:38 639229378792837692
42 ms 108.162.193.104
172 2026-08-21 19:38 639229378792837692
42 ms 172.64.33.104
171 2026-08-21 19:38 639229378792837692
42 ms 173.245.59.104
170 2026-08-21 19:22 639229369154682311
59 ms 173.245.59.104
169 2026-08-21 19:22 639229369154682311
59 ms 108.162.193.104
168 2026-08-21 19:22 639229369154682311
59 ms 172.64.33.104
167 2026-08-21 19:05 639229359248017926
5 ms 108.162.193.104
166 2026-08-21 19:05 639229359248017926
5 ms 172.64.33.104
165 2026-08-21 19:05 639229359248017926
5 ms 173.245.59.104
164 2026-08-21 18:48 639229349124294642
5 ms 108.162.193.104
163 2026-08-21 18:48 639229349124294642
5 ms 172.64.33.104
162 2026-08-21 18:48 639229349124294642
5 ms 173.245.59.104
161 2026-08-21 17:56 639229317791715692
3 ms 108.162.193.104
160 2026-08-21 17:56 639229317791715692
3 ms 172.64.33.104
159 2026-08-21 17:56 639229317791715692
3 ms 173.245.59.104
158 2026-08-21 17:40 639229308115194575
5 ms 108.162.193.104
157 2026-08-21 17:40 639229308115194575
5 ms 172.64.33.104
156 2026-08-21 17:40 639229308115194575
5 ms 173.245.59.104
155 2026-08-21 17:23 639229298320320558
39 ms 108.162.193.104
154 2026-08-21 17:23 639229298320320558
39 ms 172.64.33.104
153 2026-08-21 17:23 639229298320320558
39 ms 173.245.59.104
152 2026-08-21 17:07 639229288674863221
40 ms 172.64.33.104
151 2026-08-21 17:07 639229288674863221
40 ms 108.162.193.104
150 2026-08-21 17:07 639229288674863221
40 ms 173.245.59.104
149 2026-08-21 16:51 639229278983677079
4 ms 108.162.193.104
148 2026-08-21 16:51 639229278983677079
4 ms 172.64.33.104
147 2026-08-21 16:51 639229278983677079
4 ms 173.245.59.104
146 2026-08-21 16:35 639229269405517175
-
145 2026-08-21 16:19 639229259594798244
54 ms 173.245.59.104
144 2026-08-21 16:19 639229259594798244
54 ms 108.162.193.104
143 2026-08-21 16:19 639229259594798244
54 ms 172.64.33.104
142 2026-08-21 16:02 639229249736681188
20 ms 108.162.193.104
141 2026-08-21 16:02 639229249736681188
20 ms 172.64.33.104
140 2026-08-21 16:02 639229249736681188
20 ms 173.245.59.104
139 2026-08-21 15:46 639229239699417787
82 ms 108.162.193.104
138 2026-08-21 15:46 639229239699417787
82 ms 172.64.33.104
137 2026-08-21 15:46 639229239699417787
82 ms 173.245.59.104
136 2026-08-21 15:29 639229229621964033
28 ms 108.162.193.104
135 2026-08-21 15:29 639229229621964033
28 ms 172.64.33.104
134 2026-08-21 15:29 639229229621964033
28 ms 173.245.59.104
133 2026-08-21 15:12 639229219567270965
5 ms 108.162.193.104
132 2026-08-21 15:12 639229219567270965
5 ms 172.64.33.104
131 2026-08-21 15:12 639229219567270965
5 ms 173.245.59.104
130 2026-08-21 14:55 639229209406666856
33 ms 108.162.193.104
129 2026-08-21 14:55 639229209406666856
33 ms 172.64.33.104
128 2026-08-21 14:55 639229209406666856
33 ms 173.245.59.104
127 2026-08-21 14:03 639229177815876178
31 ms 108.162.193.104
126 2026-08-21 14:03 639229177815876178
31 ms 172.64.33.104
125 2026-08-21 14:03 639229177815876178
31 ms 173.245.59.104
124 2026-08-21 13:47 639229168243572685
45 ms 108.162.193.104
123 2026-08-21 13:47 639229168243572685
45 ms 173.245.59.104
122 2026-08-21 13:47 639229168243572685
45 ms 172.64.33.104
121 2026-08-21 13:31 639229158599856475
19 ms 108.162.193.104
120 2026-08-21 13:31 639229158599856475
19 ms 172.64.33.104
119 2026-08-21 13:31 639229158599856475
19 ms 173.245.59.104
118 2026-08-21 13:15 639229148998940902
9 ms 108.162.193.104
117 2026-08-21 13:15 639229148998940902
9 ms 172.64.33.104
116 2026-08-21 13:15 639229148998940902
9 ms 173.245.59.104
115 2026-08-21 12:58 639229139276923594
12 ms 108.162.193.104
114 2026-08-21 12:58 639229139276923594
12 ms 172.64.33.104
113 2026-08-21 12:58 639229139276923594
12 ms 173.245.59.104
112 2026-08-21 12:42 639229129709912394
43 ms 173.245.59.104
111 2026-08-21 12:42 639229129709912394
43 ms 108.162.193.104
110 2026-08-21 12:42 639229129709912394
43 ms 172.64.33.104
109 2026-08-21 12:26 639229119801488500
-
108 2026-08-21 12:10 639229110135262458
18 ms 108.162.193.104
107 2026-08-21 12:10 639229110135262458
18 ms 172.64.33.104
106 2026-08-21 12:10 639229110135262458
18 ms 173.245.59.104
105 2026-08-21 11:54 639229100336051392
22 ms 108.162.193.104
104 2026-08-21 11:54 639229100336051392
22 ms 172.64.33.104
103 2026-08-21 11:54 639229100336051392
22 ms 173.245.59.104
102 2026-08-21 11:37 639229090641415626
6 ms 108.162.193.104
101 2026-08-21 11:37 639229090641415626
6 ms 172.64.33.104
100 2026-08-21 11:37 639229090641415626
6 ms 173.245.59.104
99 2026-08-21 11:21 639229080702683947
10 ms 108.162.193.104
98 2026-08-21 11:21 639229080702683947
10 ms 172.64.33.104
97 2026-08-21 11:21 639229080702683947
10 ms 173.245.59.104
96 2026-08-21 11:04 639229070601456699
17 ms 108.162.193.104
95 2026-08-21 11:04 639229070601456699
17 ms 172.64.33.104
94 2026-08-21 11:04 639229070601456699
17 ms 173.245.59.104
93 2026-08-21 10:11 639229038947447232
28 ms 173.245.59.104
92 2026-08-21 10:11 639229038947447232
28 ms 108.162.193.104
91 2026-08-21 10:11 639229038947447232
28 ms 172.64.33.104
90 2026-08-21 09:55 639229029268708773
25 ms 108.162.193.104
89 2026-08-21 09:55 639229029268708773
25 ms 173.245.59.104
88 2026-08-21 09:55 639229029268708773
25 ms 172.64.33.104
87 2026-08-21 09:39 639229019647910603
41 ms 108.162.193.104
86 2026-08-21 09:39 639229019647910603
41 ms 172.64.33.104
85 2026-08-21 09:39 639229019647910603
41 ms 173.245.59.104
84 2026-08-21 09:23 639229009983843738
5 ms 108.162.193.104
83 2026-08-21 09:23 639229009983843738
5 ms 172.64.33.104
82 2026-08-21 09:23 639229009983843738
5 ms 173.245.59.104
81 2026-08-21 09:07 639229000203331882
6 ms 108.162.193.104
80 2026-08-21 09:07 639229000203331882
6 ms 172.64.33.104
79 2026-08-21 09:07 639229000203331882
6 ms 173.245.59.104
78 2026-08-21 08:50 639228990302335999
12 ms 108.162.193.104
77 2026-08-21 08:50 639228990302335999
12 ms 172.64.33.104
76 2026-08-21 08:50 639228990302335999
12 ms 173.245.59.104
75 2026-08-21 08:34 639228980567740722
34 ms 108.162.193.104
74 2026-08-21 08:34 639228980567740722
34 ms 172.64.33.104
73 2026-08-21 08:34 639228980567740722
34 ms 173.245.59.104
72 2026-08-21 08:18 639228970762445174
4 ms 108.162.193.104
71 2026-08-21 08:18 639228970762445174
4 ms 172.64.33.104
70 2026-08-21 08:18 639228970762445174
4 ms 173.245.59.104
69 2026-08-21 08:01 639228961065054445
16 ms 108.162.193.104
68 2026-08-21 08:01 639228961065054445
16 ms 172.64.33.104
67 2026-08-21 08:01 639228961065054445
16 ms 173.245.59.104
66 2026-08-21 07:45 639228951224649885
13 ms 108.162.193.104
65 2026-08-21 07:45 639228951224649885
13 ms 172.64.33.104
64 2026-08-21 07:45 639228951224649885
13 ms 173.245.59.104
63 2026-08-21 07:28 639228941303864592
4 ms 108.162.193.104
62 2026-08-21 07:28 639228941303864592
4 ms 172.64.33.104
61 2026-08-21 07:28 639228941303864592
4 ms 173.245.59.104
60 2026-08-21 07:12 639228931191328583
19 ms 108.162.193.104
59 2026-08-21 07:12 639228931191328583
19 ms 172.64.33.104
58 2026-08-21 07:12 639228931191328583
19 ms 173.245.59.104
57 2026-08-21 06:19 639228899518173317
23 ms 108.162.193.104
56 2026-08-21 06:19 639228899518173317
23 ms 173.245.59.104
55 2026-08-21 06:19 639228899518173317
23 ms 172.64.33.104
54 2026-08-21 06:03 639228889785027669
32 ms 172.64.33.104
53 2026-08-21 06:03 639228889785027669
32 ms 173.245.59.104
52 2026-08-21 06:03 639228889785027669
32 ms 108.162.193.104
51 2026-08-21 05:46 639228880106330161
14 ms 108.162.193.104
50 2026-08-21 05:46 639228880106330161
14 ms 172.64.33.104
49 2026-08-21 05:46 639228880106330161
14 ms 173.245.59.104
48 2026-08-21 05:30 639228870316184091
33 ms 108.162.193.104
47 2026-08-21 05:30 639228870316184091
33 ms 172.64.33.104
46 2026-08-21 05:30 639228870316184091
33 ms 173.245.59.104
45 2026-08-21 05:14 639228860695366512
53 ms 108.162.193.104
44 2026-08-21 05:14 639228860695366512
53 ms 172.64.33.104
43 2026-08-21 05:14 639228860695366512
53 ms 173.245.59.104
42 2026-08-21 04:58 639228851027209500
8 ms 108.162.193.104
41 2026-08-21 04:58 639228851027209500
8 ms 172.64.33.104
40 2026-08-21 04:58 639228851027209500
8 ms 173.245.59.104
39 2026-08-21 04:42 639228841479265462
5 ms 108.162.193.104
38 2026-08-21 04:42 639228841479265462
5 ms 172.64.33.104
37 2026-08-21 04:42 639228841479265462
5 ms 173.245.59.104
36 2026-08-21 04:26 639228831752962260
46 ms 172.64.33.104
35 2026-08-21 04:26 639228831752962260
46 ms 173.245.59.104
34 2026-08-21 04:26 639228831752962260
46 ms 108.162.193.104
33 2026-08-21 04:10 639228821953295483
2066 ms 172.64.33.104
32 2026-08-21 04:10 639228821953295483
2066 ms 108.162.193.104
31 2026-08-21 04:10 639228821953295483
2066 ms 173.245.59.104
30 2026-08-21 03:53 639228812227429953
8 ms 108.162.193.104
29 2026-08-21 03:53 639228812227429953
8 ms 172.64.33.104
28 2026-08-21 03:53 639228812227429953
8 ms 173.245.59.104
27 2026-08-21 03:37 639228802476107538
12 ms 108.162.193.104
26 2026-08-21 03:37 639228802476107538
12 ms 172.64.33.104
25 2026-08-21 03:37 639228802476107538
12 ms 173.245.59.104
24 2026-08-21 03:20 639228792525492032
108 ms 108.162.193.104
23 2026-08-21 03:20 639228792525492032
108 ms 172.64.33.104
22 2026-08-21 03:20 639228792525492032
108 ms 173.245.59.104
21 2026-08-21 02:28 639228761131421385
21 ms 108.162.193.104
20 2026-08-21 02:28 639228761131421385
21 ms 172.64.33.104
19 2026-08-21 02:28 639228761131421385
21 ms 173.245.59.104
18 2026-08-21 02:12 639228751571206692
4 ms 108.162.193.104
17 2026-08-21 02:12 639228751571206692
4 ms 172.64.33.104
16 2026-08-21 02:12 639228751571206692
4 ms 173.245.59.104
15 2026-08-21 01:56 639228741705571019
5 ms 108.162.193.104
14 2026-08-21 01:56 639228741705571019
5 ms 172.64.33.104
13 2026-08-21 01:56 639228741705571019
5 ms 173.245.59.104
12 2026-08-21 01:39 639228731642208228
29 ms 108.162.193.104
11 2026-08-21 01:39 639228731642208228
29 ms 172.64.33.104
10 2026-08-21 01:39 639228731642208228
29 ms 173.245.59.104
9 2026-08-21 00:47 639228700387002072
15 ms 108.162.193.104
8 2026-08-21 00:47 639228700387002072
15 ms 172.64.33.104
7 2026-08-21 00:47 639228700387002072
15 ms 173.245.59.104
6 2026-08-21 00:31 639228690742014433
35 ms 108.162.193.104
5 2026-08-21 00:31 639228690742014433
35 ms 172.64.33.104
4 2026-08-21 00:31 639228690742014433
35 ms 173.245.59.104
3 2026-08-21 00:14 639228680877937122
25 ms 108.162.193.104
2 2026-08-21 00:14 639228680877937122
25 ms 172.64.33.104
1 2026-08-21 00:14 639228680877937122
25 ms 173.245.59.104