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 2026-08-20. For this date, NameServerHistory found 171 DNS check records, 171 successful responses, 0 failed responses, and 170 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

171

Historical checks stored for this nameserver on selected date

Average Latency

170 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-20 23:58

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

171

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 bob.ns.cloudflare.com

Showing DNS history for 2026-08-20 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
171 2026-08-20 23:58 639228670775860800
6 ms 108.162.193.104
170 2026-08-20 23:58 639228670775860800
6 ms 172.64.33.104
169 2026-08-20 23:58 639228670775860800
6 ms 173.245.59.104
168 2026-08-20 23:06 639228639850033448
8 ms 108.162.193.104
167 2026-08-20 23:06 639228639850033448
8 ms 172.64.33.104
166 2026-08-20 23:06 639228639850033448
8 ms 173.245.59.104
165 2026-08-20 22:50 639228630204271870
11 ms 108.162.193.104
164 2026-08-20 22:50 639228630204271870
11 ms 172.64.33.104
163 2026-08-20 22:50 639228630204271870
11 ms 173.245.59.104
162 2026-08-20 22:33 639228620295091135
38 ms 108.162.193.104
161 2026-08-20 22:33 639228620295091135
38 ms 172.64.33.104
160 2026-08-20 22:33 639228620295091135
38 ms 173.245.59.104
159 2026-08-20 22:17 639228610298336915
121 ms 172.64.33.104
158 2026-08-20 22:17 639228610298336915
121 ms 173.245.59.104
157 2026-08-20 22:17 639228610298336915
121 ms 108.162.193.104
156 2026-08-20 21:24 639228578917047616
4 ms 108.162.193.104
155 2026-08-20 21:24 639228578917047616
4 ms 172.64.33.104
154 2026-08-20 21:24 639228578917047616
4 ms 173.245.59.104
153 2026-08-20 21:08 639228569046445709
2024 ms 108.162.193.104
152 2026-08-20 21:08 639228569046445709
2024 ms 173.245.59.104
151 2026-08-20 21:08 639228569046445709
2024 ms 172.64.33.104
150 2026-08-20 20:51 639228558946830986
9 ms 108.162.193.104
149 2026-08-20 20:51 639228558946830986
9 ms 172.64.33.104
148 2026-08-20 20:51 639228558946830986
9 ms 173.245.59.104
147 2026-08-20 20:35 639228548977359217
9 ms 108.162.193.104
146 2026-08-20 20:35 639228548977359217
9 ms 172.64.33.104
145 2026-08-20 20:35 639228548977359217
9 ms 173.245.59.104
144 2026-08-20 19:42 639228517494157668
4 ms 108.162.193.104
143 2026-08-20 19:42 639228517494157668
4 ms 172.64.33.104
142 2026-08-20 19:42 639228517494157668
4 ms 173.245.59.104
141 2026-08-20 19:25 639228507374116892
49 ms 173.245.59.104
140 2026-08-20 19:25 639228507374116892
49 ms 172.64.33.104
139 2026-08-20 19:25 639228507374116892
49 ms 108.162.193.104
138 2026-08-20 19:08 639228497315154893
62 ms 108.162.193.104
137 2026-08-20 19:08 639228497315154893
62 ms 172.64.33.104
136 2026-08-20 19:08 639228497315154893
62 ms 173.245.59.104
135 2026-08-20 18:52 639228487287648341
50 ms 108.162.193.104
134 2026-08-20 18:52 639228487287648341
50 ms 172.64.33.104
133 2026-08-20 18:52 639228487287648341
50 ms 173.245.59.104
132 2026-08-20 17:59 639228455828123788
18 ms 173.245.59.104
131 2026-08-20 17:59 639228455828123788
18 ms 172.64.33.104
130 2026-08-20 17:59 639228455828123788
18 ms 108.162.193.104
129 2026-08-20 17:43 639228445900082244
11 ms 108.162.193.104
128 2026-08-20 17:43 639228445900082244
11 ms 173.245.59.104
127 2026-08-20 17:43 639228445900082244
11 ms 172.64.33.104
126 2026-08-20 17:26 639228435866352323
44 ms 108.162.193.104
125 2026-08-20 17:26 639228435866352323
44 ms 172.64.33.104
124 2026-08-20 17:26 639228435866352323
44 ms 173.245.59.104
123 2026-08-20 17:09 639228425802273151
135 ms 108.162.193.104
122 2026-08-20 17:09 639228425802273151
135 ms 172.64.33.104
121 2026-08-20 17:09 639228425802273151
135 ms 173.245.59.104
120 2026-08-20 16:16 639228393616324230
38 ms 108.162.193.104
119 2026-08-20 16:16 639228393616324230
38 ms 172.64.33.104
118 2026-08-20 16:16 639228393616324230
38 ms 173.245.59.104
117 2026-08-20 15:59 639228383590408693
5 ms 108.162.193.104
116 2026-08-20 15:59 639228383590408693
5 ms 172.64.33.104
115 2026-08-20 15:59 639228383590408693
5 ms 173.245.59.104
114 2026-08-20 15:42 639228373471467474
17 ms 108.162.193.104
113 2026-08-20 15:42 639228373471467474
17 ms 172.64.33.104
112 2026-08-20 15:42 639228373471467474
17 ms 173.245.59.104
111 2026-08-20 15:25 639228363426647311
4 ms 108.162.193.104
110 2026-08-20 15:25 639228363426647311
4 ms 172.64.33.104
109 2026-08-20 15:25 639228363426647311
4 ms 173.245.59.104
108 2026-08-20 14:32 639228331681701910
5 ms 108.162.193.104
107 2026-08-20 14:32 639228331681701910
5 ms 172.64.33.104
106 2026-08-20 14:32 639228331681701910
5 ms 173.245.59.104
105 2026-08-20 14:16 639228321714746824
2054 ms 172.64.33.104
104 2026-08-20 14:16 639228321714746824
2054 ms 173.245.59.104
103 2026-08-20 14:16 639228321714746824
2054 ms 108.162.193.104
102 2026-08-20 13:59 639228311652090262
7 ms 108.162.193.104
101 2026-08-20 13:59 639228311652090262
7 ms 172.64.33.104
100 2026-08-20 13:59 639228311652090262
7 ms 173.245.59.104
99 2026-08-20 13:42 639228301670088587
13 ms 108.162.193.104
98 2026-08-20 13:42 639228301670088587
13 ms 172.64.33.104
97 2026-08-20 13:42 639228301670088587
13 ms 173.245.59.104
96 2026-08-20 12:50 639228269987976710
58 ms 108.162.193.104
95 2026-08-20 12:50 639228269987976710
58 ms 173.245.59.104
94 2026-08-20 12:50 639228269987976710
58 ms 172.64.33.104
93 2026-08-20 12:33 639228260009452308
42 ms 173.245.59.104
92 2026-08-20 12:33 639228260009452308
42 ms 108.162.193.104
91 2026-08-20 12:33 639228260009452308
42 ms 172.64.33.104
90 2026-08-20 12:16 639228249661740894
2033 ms 108.162.193.104
89 2026-08-20 12:16 639228249661740894
2033 ms 173.245.59.104
88 2026-08-20 12:16 639228249661740894
2033 ms 172.64.33.104
87 2026-08-20 11:59 639228239552680346
10 ms 108.162.193.104
86 2026-08-20 11:59 639228239552680346
10 ms 172.64.33.104
85 2026-08-20 11:59 639228239552680346
10 ms 173.245.59.104
84 2026-08-20 11:06 639228207667580819
26 ms 173.245.59.104
83 2026-08-20 11:06 639228207667580819
26 ms 108.162.193.104
82 2026-08-20 11:06 639228207667580819
26 ms 172.64.33.104
81 2026-08-20 10:49 639228197494011560
47 ms 108.162.193.104
80 2026-08-20 10:49 639228197494011560
47 ms 172.64.33.104
79 2026-08-20 10:49 639228197494011560
47 ms 173.245.59.104
78 2026-08-20 10:32 639228187497039939
9 ms 108.162.193.104
77 2026-08-20 10:32 639228187497039939
9 ms 172.64.33.104
76 2026-08-20 10:32 639228187497039939
9 ms 173.245.59.104
75 2026-08-20 10:15 639228177408432646
8 ms 108.162.193.104
74 2026-08-20 10:15 639228177408432646
8 ms 172.64.33.104
73 2026-08-20 10:15 639228177408432646
8 ms 173.245.59.104
72 2026-08-20 09:24 639228146356166262
12 ms 108.162.193.104
71 2026-08-20 09:24 639228146356166262
12 ms 172.64.33.104
70 2026-08-20 09:24 639228146356166262
12 ms 173.245.59.104
69 2026-08-20 09:07 639228136541505712
47 ms 172.64.33.104
68 2026-08-20 09:07 639228136541505712
47 ms 173.245.59.104
67 2026-08-20 09:07 639228136541505712
47 ms 108.162.193.104
66 2026-08-20 08:50 639228126519136598
18 ms 172.64.33.104
65 2026-08-20 08:50 639228126519136598
18 ms 173.245.59.104
64 2026-08-20 08:50 639228126519136598
18 ms 108.162.193.104
63 2026-08-20 08:34 639228116537148885
34 ms 108.162.193.104
62 2026-08-20 08:34 639228116537148885
34 ms 172.64.33.104
61 2026-08-20 08:34 639228116537148885
34 ms 173.245.59.104
60 2026-08-20 07:42 639228085320764351
4 ms 108.162.193.104
59 2026-08-20 07:42 639228085320764351
4 ms 172.64.33.104
58 2026-08-20 07:42 639228085320764351
4 ms 173.245.59.104
57 2026-08-20 07:25 639228075444604839
198 ms 108.162.193.104
56 2026-08-20 07:25 639228075444604839
198 ms 172.64.33.104
55 2026-08-20 07:25 639228075444604839
198 ms 173.245.59.104
54 2026-08-20 07:09 639228065615498985
41 ms 173.245.59.104
53 2026-08-20 07:09 639228065615498985
41 ms 172.64.33.104
52 2026-08-20 07:09 639228065615498985
41 ms 108.162.193.104
51 2026-08-20 06:52 639228055675321422
27 ms 108.162.193.104
50 2026-08-20 06:52 639228055675321422
27 ms 172.64.33.104
49 2026-08-20 06:52 639228055675321422
27 ms 173.245.59.104
48 2026-08-20 06:00 639228024230839396
25 ms 108.162.193.104
47 2026-08-20 06:00 639228024230839396
25 ms 172.64.33.104
46 2026-08-20 06:00 639228024230839396
25 ms 173.245.59.104
45 2026-08-20 05:44 639228014720406505
22 ms 108.162.193.104
44 2026-08-20 05:44 639228014720406505
22 ms 172.64.33.104
43 2026-08-20 05:44 639228014720406505
22 ms 173.245.59.104
42 2026-08-20 05:28 639228004930827030
22 ms 172.64.33.104
41 2026-08-20 05:28 639228004930827030
22 ms 173.245.59.104
40 2026-08-20 05:28 639228004930827030
22 ms 108.162.193.104
39 2026-08-20 05:11 639227995103340154
6 ms 108.162.193.104
38 2026-08-20 05:11 639227995103340154
6 ms 172.64.33.104
37 2026-08-20 05:11 639227995103340154
6 ms 173.245.59.104
36 2026-08-20 04:19 639227963811374894
30 ms 108.162.193.104
35 2026-08-20 04:19 639227963811374894
30 ms 172.64.33.104
34 2026-08-20 04:19 639227963811374894
30 ms 173.245.59.104
33 2026-08-20 04:03 639227954132571365
24 ms 173.245.59.104
32 2026-08-20 04:03 639227954132571365
24 ms 172.64.33.104
31 2026-08-20 04:03 639227954132571365
24 ms 108.162.193.104
30 2026-08-20 03:47 639227944541208342
2014 ms 173.245.59.104
29 2026-08-20 03:47 639227944541208342
2014 ms 172.64.33.104
28 2026-08-20 03:47 639227944541208342
2014 ms 108.162.193.104
27 2026-08-20 03:31 639227934657213484
5 ms 173.245.59.104
26 2026-08-20 03:31 639227934657213484
5 ms 108.162.193.104
25 2026-08-20 03:31 639227934657213484
5 ms 172.64.33.104
24 2026-08-20 02:39 639227903628145469
11 ms 108.162.193.104
23 2026-08-20 02:39 639227903628145469
11 ms 172.64.33.104
22 2026-08-20 02:39 639227903628145469
11 ms 173.245.59.104
21 2026-08-20 02:23 639227893995483475
41 ms 108.162.193.104
20 2026-08-20 02:23 639227893995483475
41 ms 172.64.33.104
19 2026-08-20 02:23 639227893995483475
41 ms 173.245.59.104
18 2026-08-20 02:07 639227884280244209
44 ms 173.245.59.104
17 2026-08-20 02:07 639227884280244209
44 ms 172.64.33.104
16 2026-08-20 02:07 639227884280244209
44 ms 108.162.193.104
15 2026-08-20 01:50 639227874371147132
12 ms 108.162.193.104
14 2026-08-20 01:50 639227874371147132
12 ms 172.64.33.104
13 2026-08-20 01:50 639227874371147132
12 ms 173.245.59.104
12 2026-08-20 00:58 639227843224256432
11 ms 108.162.193.104
11 2026-08-20 00:58 639227843224256432
11 ms 172.64.33.104
10 2026-08-20 00:58 639227843224256432
11 ms 173.245.59.104
9 2026-08-20 00:42 639227833720403506
13 ms 108.162.193.104
8 2026-08-20 00:42 639227833720403506
13 ms 172.64.33.104
7 2026-08-20 00:42 639227833720403506
13 ms 173.245.59.104
6 2026-08-20 00:27 639227824170728278
63 ms 108.162.193.104
5 2026-08-20 00:27 639227824170728278
63 ms 172.64.33.104
4 2026-08-20 00:27 639227824170728278
63 ms 173.245.59.104
3 2026-08-20 00:11 639227814865867570
3 ms 108.162.193.104
2 2026-08-20 00:11 639227814865867570
3 ms 172.64.33.104
1 2026-08-20 00:11 639227814865867570
3 ms 173.245.59.104