DNS response history for sam.ns.cloudflare.com

sam.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 272 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 sam.ns.cloudflare.com.
Records on Selected Date

171

Historical checks stored for this nameserver on selected date

Average Latency

272 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-20 23:59

All timestamps shown in UTC

Latest Resolved IP on Selected Date

173.245.59.141

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 sam.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 23:59 639228670775860800
20 ms 173.245.59.141
170 2026-08-20 23:59 639228670775860800
20 ms 108.162.193.141
169 2026-08-20 23:59 639228670775860800
20 ms 172.64.33.141
168 2026-08-20 23:07 639228639850033448
33 ms 108.162.193.141
167 2026-08-20 23:07 639228639850033448
33 ms 172.64.33.141
166 2026-08-20 23:07 639228639850033448
33 ms 173.245.59.141
165 2026-08-20 22:51 639228630204271870
8 ms 108.162.193.141
164 2026-08-20 22:51 639228630204271870
8 ms 172.64.33.141
163 2026-08-20 22:51 639228630204271870
8 ms 173.245.59.141
162 2026-08-20 22:34 639228620295091135
4 ms 108.162.193.141
161 2026-08-20 22:34 639228620295091135
4 ms 172.64.33.141
160 2026-08-20 22:34 639228620295091135
4 ms 173.245.59.141
159 2026-08-20 22:18 639228610298336915
46 ms 108.162.193.141
158 2026-08-20 22:18 639228610298336915
46 ms 172.64.33.141
157 2026-08-20 22:18 639228610298336915
46 ms 173.245.59.141
156 2026-08-20 21:26 639228578917047616
2011 ms 172.64.33.141
155 2026-08-20 21:26 639228578917047616
2011 ms 173.245.59.141
154 2026-08-20 21:26 639228578917047616
2011 ms 108.162.193.141
153 2026-08-20 21:09 639228569046445709
5 ms 108.162.193.141
152 2026-08-20 21:09 639228569046445709
5 ms 172.64.33.141
151 2026-08-20 21:09 639228569046445709
5 ms 173.245.59.141
150 2026-08-20 20:52 639228558946830986
7 ms 172.64.33.141
149 2026-08-20 20:52 639228558946830986
7 ms 173.245.59.141
148 2026-08-20 20:52 639228558946830986
7 ms 108.162.193.141
147 2026-08-20 20:36 639228548977359217
56 ms 108.162.193.141
146 2026-08-20 20:36 639228548977359217
56 ms 172.64.33.141
145 2026-08-20 20:36 639228548977359217
56 ms 173.245.59.141
144 2026-08-20 19:43 639228517494157668
24 ms 108.162.193.141
143 2026-08-20 19:43 639228517494157668
24 ms 172.64.33.141
142 2026-08-20 19:43 639228517494157668
24 ms 173.245.59.141
141 2026-08-20 19:26 639228507374116892
7 ms 108.162.193.141
140 2026-08-20 19:26 639228507374116892
7 ms 172.64.33.141
139 2026-08-20 19:26 639228507374116892
7 ms 173.245.59.141
138 2026-08-20 19:10 639228497315154893
8 ms 173.245.59.141
137 2026-08-20 19:10 639228497315154893
8 ms 172.64.33.141
136 2026-08-20 19:10 639228497315154893
8 ms 108.162.193.141
135 2026-08-20 18:53 639228487287648341
53 ms 108.162.193.141
134 2026-08-20 18:53 639228487287648341
53 ms 172.64.33.141
133 2026-08-20 18:53 639228487287648341
53 ms 173.245.59.141
132 2026-08-20 18:00 639228455828123788
35 ms 173.245.59.141
131 2026-08-20 18:00 639228455828123788
35 ms 172.64.33.141
130 2026-08-20 18:00 639228455828123788
35 ms 108.162.193.141
129 2026-08-20 17:44 639228445900082244
32 ms 108.162.193.141
128 2026-08-20 17:44 639228445900082244
32 ms 173.245.59.141
127 2026-08-20 17:44 639228445900082244
32 ms 172.64.33.141
126 2026-08-20 17:27 639228435866352323
10 ms 173.245.59.141
125 2026-08-20 17:27 639228435866352323
10 ms 172.64.33.141
124 2026-08-20 17:27 639228435866352323
10 ms 108.162.193.141
123 2026-08-20 17:10 639228425802273151
49 ms 108.162.193.141
122 2026-08-20 17:10 639228425802273151
49 ms 172.64.33.141
121 2026-08-20 17:10 639228425802273151
49 ms 173.245.59.141
120 2026-08-20 16:17 639228393616324230
2018 ms 108.162.193.141
119 2026-08-20 16:17 639228393616324230
2018 ms 172.64.33.141
118 2026-08-20 16:17 639228393616324230
2018 ms 173.245.59.141
117 2026-08-20 16:00 639228383590408693
4 ms 108.162.193.141
116 2026-08-20 16:00 639228383590408693
4 ms 172.64.33.141
115 2026-08-20 16:00 639228383590408693
4 ms 173.245.59.141
114 2026-08-20 15:43 639228373471467474
4017 ms 172.64.33.141
113 2026-08-20 15:43 639228373471467474
4017 ms 108.162.193.141
112 2026-08-20 15:43 639228373471467474
4017 ms 173.245.59.141
111 2026-08-20 15:26 639228363426647311
26 ms 173.245.59.141
110 2026-08-20 15:26 639228363426647311
26 ms 108.162.193.141
109 2026-08-20 15:26 639228363426647311
26 ms 172.64.33.141
108 2026-08-20 14:33 639228331681701910
55 ms 108.162.193.141
107 2026-08-20 14:33 639228331681701910
55 ms 172.64.33.141
106 2026-08-20 14:33 639228331681701910
55 ms 173.245.59.141
105 2026-08-20 14:17 639228321714746824
8 ms 108.162.193.141
104 2026-08-20 14:17 639228321714746824
8 ms 173.245.59.141
103 2026-08-20 14:17 639228321714746824
8 ms 172.64.33.141
102 2026-08-20 14:00 639228311652090262
2008 ms 173.245.59.141
101 2026-08-20 14:00 639228311652090262
2008 ms 172.64.33.141
100 2026-08-20 14:00 639228311652090262
2008 ms 108.162.193.141
99 2026-08-20 13:43 639228301670088587
11 ms 108.162.193.141
98 2026-08-20 13:43 639228301670088587
11 ms 173.245.59.141
97 2026-08-20 13:43 639228301670088587
11 ms 172.64.33.141
96 2026-08-20 12:51 639228269987976710
24 ms 173.245.59.141
95 2026-08-20 12:51 639228269987976710
24 ms 172.64.33.141
94 2026-08-20 12:51 639228269987976710
24 ms 108.162.193.141
93 2026-08-20 12:34 639228260009452308
13 ms 173.245.59.141
92 2026-08-20 12:34 639228260009452308
13 ms 172.64.33.141
91 2026-08-20 12:34 639228260009452308
13 ms 108.162.193.141
90 2026-08-20 12:17 639228249661740894
7 ms 108.162.193.141
89 2026-08-20 12:17 639228249661740894
7 ms 172.64.33.141
88 2026-08-20 12:17 639228249661740894
7 ms 173.245.59.141
87 2026-08-20 12:00 639228239552680346
45 ms 108.162.193.141
86 2026-08-20 12:00 639228239552680346
45 ms 172.64.33.141
85 2026-08-20 12:00 639228239552680346
45 ms 173.245.59.141
84 2026-08-20 11:07 639228207667580819
84 ms 173.245.59.141
83 2026-08-20 11:07 639228207667580819
84 ms 172.64.33.141
82 2026-08-20 11:07 639228207667580819
84 ms 108.162.193.141
81 2026-08-20 10:50 639228197494011560
117 ms 172.64.33.141
80 2026-08-20 10:50 639228197494011560
117 ms 173.245.59.141
79 2026-08-20 10:50 639228197494011560
117 ms 108.162.193.141
78 2026-08-20 10:33 639228187497039939
28 ms 108.162.193.141
77 2026-08-20 10:33 639228187497039939
28 ms 172.64.33.141
76 2026-08-20 10:33 639228187497039939
28 ms 173.245.59.141
75 2026-08-20 10:16 639228177408432646
39 ms 108.162.193.141
74 2026-08-20 10:16 639228177408432646
39 ms 172.64.33.141
73 2026-08-20 10:16 639228177408432646
39 ms 173.245.59.141
72 2026-08-20 09:25 639228146356166262
4 ms 108.162.193.141
71 2026-08-20 09:25 639228146356166262
4 ms 172.64.33.141
70 2026-08-20 09:25 639228146356166262
4 ms 173.245.59.141
69 2026-08-20 09:08 639228136541505712
4015 ms 173.245.59.141
68 2026-08-20 09:08 639228136541505712
4015 ms 108.162.193.141
67 2026-08-20 09:08 639228136541505712
4015 ms 172.64.33.141
66 2026-08-20 08:51 639228126519136598
31 ms 172.64.33.141
65 2026-08-20 08:51 639228126519136598
31 ms 108.162.193.141
64 2026-08-20 08:51 639228126519136598
31 ms 173.245.59.141
63 2026-08-20 08:35 639228116537148885
8 ms 173.245.59.141
62 2026-08-20 08:35 639228116537148885
8 ms 172.64.33.141
61 2026-08-20 08:35 639228116537148885
8 ms 108.162.193.141
60 2026-08-20 07:43 639228085320764351
8 ms 108.162.193.141
59 2026-08-20 07:43 639228085320764351
8 ms 172.64.33.141
58 2026-08-20 07:43 639228085320764351
8 ms 173.245.59.141
57 2026-08-20 07:26 639228075444604839
16 ms 108.162.193.141
56 2026-08-20 07:26 639228075444604839
16 ms 172.64.33.141
55 2026-08-20 07:26 639228075444604839
16 ms 173.245.59.141
54 2026-08-20 07:10 639228065615498985
45 ms 173.245.59.141
53 2026-08-20 07:10 639228065615498985
45 ms 172.64.33.141
52 2026-08-20 07:10 639228065615498985
45 ms 108.162.193.141
51 2026-08-20 06:53 639228055675321422
7 ms 173.245.59.141
50 2026-08-20 06:53 639228055675321422
7 ms 172.64.33.141
49 2026-08-20 06:53 639228055675321422
7 ms 108.162.193.141
48 2026-08-20 06:01 639228024230839396
52 ms 108.162.193.141
47 2026-08-20 06:01 639228024230839396
52 ms 173.245.59.141
46 2026-08-20 06:01 639228024230839396
52 ms 172.64.33.141
45 2026-08-20 05:45 639228014720406505
19 ms 108.162.193.141
44 2026-08-20 05:45 639228014720406505
19 ms 172.64.33.141
43 2026-08-20 05:45 639228014720406505
19 ms 173.245.59.141
42 2026-08-20 05:29 639228004930827030
19 ms 108.162.193.141
41 2026-08-20 05:29 639228004930827030
19 ms 172.64.33.141
40 2026-08-20 05:29 639228004930827030
19 ms 173.245.59.141
39 2026-08-20 05:12 639227995103340154
9 ms 173.245.59.141
38 2026-08-20 05:12 639227995103340154
9 ms 108.162.193.141
37 2026-08-20 05:12 639227995103340154
9 ms 172.64.33.141
36 2026-08-20 04:20 639227963811374894
58 ms 108.162.193.141
35 2026-08-20 04:20 639227963811374894
58 ms 172.64.33.141
34 2026-08-20 04:20 639227963811374894
58 ms 173.245.59.141
33 2026-08-20 04:04 639227954132571365
36 ms 108.162.193.141
32 2026-08-20 04:04 639227954132571365
36 ms 172.64.33.141
31 2026-08-20 04:04 639227954132571365
36 ms 173.245.59.141
30 2026-08-20 03:48 639227944541208342
32 ms 172.64.33.141
29 2026-08-20 03:48 639227944541208342
32 ms 173.245.59.141
28 2026-08-20 03:48 639227944541208342
32 ms 108.162.193.141
27 2026-08-20 03:32 639227934657213484
38 ms 108.162.193.141
26 2026-08-20 03:32 639227934657213484
38 ms 172.64.33.141
25 2026-08-20 03:32 639227934657213484
38 ms 173.245.59.141
24 2026-08-20 02:40 639227903628145469
50 ms 108.162.193.141
23 2026-08-20 02:40 639227903628145469
50 ms 172.64.33.141
22 2026-08-20 02:40 639227903628145469
50 ms 173.245.59.141
21 2026-08-20 02:24 639227893995483475
3 ms 108.162.193.141
20 2026-08-20 02:24 639227893995483475
3 ms 172.64.33.141
19 2026-08-20 02:24 639227893995483475
3 ms 173.245.59.141
18 2026-08-20 02:08 639227884280244209
6 ms 108.162.193.141
17 2026-08-20 02:08 639227884280244209
6 ms 172.64.33.141
16 2026-08-20 02:08 639227884280244209
6 ms 173.245.59.141
15 2026-08-20 01:51 639227874371147132
70 ms 108.162.193.141
14 2026-08-20 01:51 639227874371147132
70 ms 172.64.33.141
13 2026-08-20 01:51 639227874371147132
70 ms 173.245.59.141
12 2026-08-20 00:59 639227843224256432
20 ms 172.64.33.141
11 2026-08-20 00:59 639227843224256432
20 ms 173.245.59.141
10 2026-08-20 00:59 639227843224256432
20 ms 108.162.193.141
9 2026-08-20 00:43 639227833720403506
6 ms 108.162.193.141
8 2026-08-20 00:43 639227833720403506
6 ms 172.64.33.141
7 2026-08-20 00:43 639227833720403506
6 ms 173.245.59.141
6 2026-08-20 00:28 639227824170728278
5 ms 108.162.193.141
5 2026-08-20 00:28 639227824170728278
5 ms 172.64.33.141
4 2026-08-20 00:28 639227824170728278
5 ms 173.245.59.141
3 2026-08-20 00:12 639227814865867570
10 ms 108.162.193.141
2 2026-08-20 00:12 639227814865867570
10 ms 172.64.33.141
1 2026-08-20 00:12 639227814865867570
10 ms 173.245.59.141