DNS response history for derek.ns.cloudflare.com

derek.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 2026-08-19. For this date, NameServerHistory found 217 DNS check records, 213 successful responses, 4 failed responses, and 72 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 derek.ns.cloudflare.com.
Records on Selected Date

217

Historical checks stored for this nameserver on selected date

Average Latency

72 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-19 23:55

All timestamps shown in UTC

Latest Resolved IP on Selected Date

108.162.193.154

Most recently resolved hosting IP on selected date

Successful Responses

213

Checks that returned a measurable response

Failed Responses

4

Checks with no response or no returned latency

Failure Rate

2%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for derek.ns.cloudflare.com

Showing DNS history for 2026-08-19 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
217 2026-08-19 23:55 639227805445376839
24 ms 108.162.193.154
216 2026-08-19 23:55 639227805445376839
24 ms 172.64.33.154
215 2026-08-19 23:55 639227805445376839
24 ms 173.245.59.154
214 2026-08-19 23:39 639227795899225951
22 ms 108.162.193.154
213 2026-08-19 23:39 639227795899225951
22 ms 172.64.33.154
212 2026-08-19 23:39 639227795899225951
22 ms 173.245.59.154
211 2026-08-19 23:23 639227786351762008
37 ms 108.162.193.154
210 2026-08-19 23:23 639227786351762008
37 ms 172.64.33.154
209 2026-08-19 23:23 639227786351762008
37 ms 173.245.59.154
208 2026-08-19 23:07 639227776640591733
18 ms 108.162.193.154
207 2026-08-19 23:07 639227776640591733
18 ms 172.64.33.154
206 2026-08-19 23:07 639227776640591733
18 ms 173.245.59.154
205 2026-08-19 22:51 639227767128841282
234 ms 108.162.193.154
204 2026-08-19 22:51 639227767128841282
234 ms 172.64.33.154
203 2026-08-19 22:51 639227767128841282
234 ms 173.245.59.154
202 2026-08-19 22:35 639227757477304711
84 ms 108.162.193.154
201 2026-08-19 22:35 639227757477304711
84 ms 172.64.33.154
200 2026-08-19 22:35 639227757477304711
84 ms 173.245.59.154
199 2026-08-19 22:19 639227747572098014
58 ms 108.162.193.154
198 2026-08-19 22:19 639227747572098014
58 ms 172.64.33.154
197 2026-08-19 22:19 639227747572098014
58 ms 173.245.59.154
196 2026-08-19 22:02 639227737588613113
286 ms 108.162.193.154
195 2026-08-19 22:02 639227737588613113
286 ms 172.64.33.154
194 2026-08-19 22:02 639227737588613113
286 ms 173.245.59.154
193 2026-08-19 21:10 639227706134603955
23 ms 108.162.193.154
192 2026-08-19 21:10 639227706134603955
23 ms 172.64.33.154
191 2026-08-19 21:10 639227706134603955
23 ms 173.245.59.154
190 2026-08-19 20:54 639227696589027396
18 ms 108.162.193.154
189 2026-08-19 20:54 639227696589027396
18 ms 172.64.33.154
188 2026-08-19 20:54 639227696589027396
18 ms 173.245.59.154
187 2026-08-19 20:38 639227687097707639
37 ms 108.162.193.154
186 2026-08-19 20:38 639227687097707639
37 ms 172.64.33.154
185 2026-08-19 20:38 639227687097707639
37 ms 173.245.59.154
184 2026-08-19 20:22 639227677474464487
59 ms 108.162.193.154
183 2026-08-19 20:22 639227677474464487
59 ms 172.64.33.154
182 2026-08-19 20:22 639227677474464487
59 ms 173.245.59.154
181 2026-08-19 20:06 639227667767441118
10 ms 108.162.193.154
180 2026-08-19 20:06 639227667767441118
10 ms 172.64.33.154
179 2026-08-19 20:06 639227667767441118
10 ms 173.245.59.154
178 2026-08-19 19:49 639227657984833832
15 ms 108.162.193.154
177 2026-08-19 19:49 639227657984833832
15 ms 172.64.33.154
176 2026-08-19 19:49 639227657984833832
15 ms 173.245.59.154
175 2026-08-19 19:33 639227648079992640
29 ms 108.162.193.154
174 2026-08-19 19:33 639227648079992640
29 ms 172.64.33.154
173 2026-08-19 19:33 639227648079992640
29 ms 173.245.59.154
172 2026-08-19 19:16 639227638125048441
22 ms 108.162.193.154
171 2026-08-19 19:16 639227638125048441
22 ms 172.64.33.154
170 2026-08-19 19:16 639227638125048441
22 ms 173.245.59.154
169 2026-08-19 19:00 639227628211392142
69 ms 108.162.193.154
168 2026-08-19 19:00 639227628211392142
69 ms 172.64.33.154
167 2026-08-19 19:00 639227628211392142
69 ms 173.245.59.154
166 2026-08-19 18:43 639227618261696275
125 ms 108.162.193.154
165 2026-08-19 18:43 639227618261696275
125 ms 172.64.33.154
164 2026-08-19 18:43 639227618261696275
125 ms 173.245.59.154
163 2026-08-19 18:27 639227608366233645
35 ms 108.162.193.154
162 2026-08-19 18:27 639227608366233645
35 ms 172.64.33.154
161 2026-08-19 18:27 639227608366233645
35 ms 173.245.59.154
160 2026-08-19 18:10 639227598301787588
329 ms 108.162.193.154
159 2026-08-19 18:10 639227598301787588
329 ms 172.64.33.154
158 2026-08-19 18:10 639227598301787588
329 ms 173.245.59.154
157 2026-08-19 17:17 639227566241010716
21 ms 108.162.193.154
156 2026-08-19 17:17 639227566241010716
21 ms 172.64.33.154
155 2026-08-19 17:17 639227566241010716
21 ms 173.245.59.154
154 2026-08-19 17:00 639227556454538959
36 ms 108.162.193.154
153 2026-08-19 17:00 639227556454538959
36 ms 172.64.33.154
152 2026-08-19 17:00 639227556454538959
36 ms 173.245.59.154
151 2026-08-19 16:44 639227546640305542
28 ms 108.162.193.154
150 2026-08-19 16:44 639227546640305542
28 ms 172.64.33.154
149 2026-08-19 16:44 639227546640305542
28 ms 173.245.59.154
148 2026-08-19 16:28 639227536965466472
24 ms 108.162.193.154
147 2026-08-19 16:28 639227536965466472
24 ms 172.64.33.154
146 2026-08-19 16:28 639227536965466472
24 ms 173.245.59.154
145 2026-08-19 16:11 639227527048658280
29 ms 108.162.193.154
144 2026-08-19 16:11 639227527048658280
29 ms 172.64.33.154
143 2026-08-19 16:11 639227527048658280
29 ms 173.245.59.154
142 2026-08-19 15:55 639227517386634438
38 ms 108.162.193.154
141 2026-08-19 15:55 639227517386634438
38 ms 172.64.33.154
140 2026-08-19 15:55 639227517386634438
38 ms 173.245.59.154
139 2026-08-19 15:39 639227507459551637
57 ms 108.162.193.154
138 2026-08-19 15:39 639227507459551637
57 ms 172.64.33.154
137 2026-08-19 15:39 639227507459551637
57 ms 173.245.59.154
136 2026-08-19 15:22 639227497515595277
43 ms 108.162.193.154
135 2026-08-19 15:22 639227497515595277
43 ms 172.64.33.154
134 2026-08-19 15:22 639227497515595277
43 ms 173.245.59.154
133 2026-08-19 15:05 639227487441798036
15 ms 108.162.193.154
132 2026-08-19 15:05 639227487441798036
15 ms 172.64.33.154
131 2026-08-19 15:05 639227487441798036
15 ms 173.245.59.154
130 2026-08-19 14:49 639227477445551863
157 ms 108.162.193.154
129 2026-08-19 14:49 639227477445551863
157 ms 172.64.33.154
128 2026-08-19 14:49 639227477445551863
157 ms 173.245.59.154
127 2026-08-19 14:32 639227467297067891
23 ms 108.162.193.154
126 2026-08-19 14:32 639227467297067891
23 ms 172.64.33.154
125 2026-08-19 14:32 639227467297067891
23 ms 173.245.59.154
124 2026-08-19 14:15 639227457057795635
278 ms 108.162.193.154
123 2026-08-19 14:15 639227457057795635
278 ms 172.64.33.154
122 2026-08-19 14:15 639227457057795635
278 ms 173.245.59.154
121 2026-08-19 13:22 639227425244777397
21 ms 108.162.193.154
120 2026-08-19 13:22 639227425244777397
21 ms 172.64.33.154
119 2026-08-19 13:22 639227425244777397
21 ms 173.245.59.154
118 2026-08-19 13:05 639227415422116485
16 ms 108.162.193.154
117 2026-08-19 13:05 639227415422116485
16 ms 172.64.33.154
116 2026-08-19 13:05 639227415422116485
16 ms 173.245.59.154
115 2026-08-19 12:48 639227405307256053
36 ms 108.162.193.154
114 2026-08-19 12:48 639227405307256053
36 ms 172.64.33.154
113 2026-08-19 12:48 639227405307256053
36 ms 173.245.59.154
112 2026-08-19 12:32 639227395396602630
35 ms 108.162.193.154
111 2026-08-19 12:32 639227395396602630
35 ms 172.64.33.154
110 2026-08-19 12:32 639227395396602630
35 ms 173.245.59.154
109 2026-08-19 12:15 639227385510363611
61 ms 108.162.193.154
108 2026-08-19 12:15 639227385510363611
61 ms 172.64.33.154
107 2026-08-19 12:15 639227385510363611
61 ms 173.245.59.154
106 2026-08-19 11:59 639227375508324850
28 ms 108.162.193.154
105 2026-08-19 11:59 639227375508324850
28 ms 172.64.33.154
104 2026-08-19 11:59 639227375508324850
28 ms 173.245.59.154
103 2026-08-19 11:42 639227365326611906
24 ms 108.162.193.154
102 2026-08-19 11:42 639227365326611906
24 ms 173.245.59.154
101 2026-08-19 11:42 639227365326611906
24 ms 172.64.33.154
100 2026-08-19 11:25 639227355360014208
69 ms 108.162.193.154
99 2026-08-19 11:25 639227355360014208
69 ms 172.64.33.154
98 2026-08-19 11:25 639227355360014208
69 ms 173.245.59.154
97 2026-08-19 11:08 639227345036782165
30 ms 108.162.193.154
96 2026-08-19 11:08 639227345036782165
30 ms 172.64.33.154
95 2026-08-19 11:08 639227345036782165
30 ms 173.245.59.154
94 2026-08-19 10:51 639227334992964533
11 ms 108.162.193.154
93 2026-08-19 10:51 639227334992964533
11 ms 172.64.33.154
92 2026-08-19 10:51 639227334992964533
11 ms 173.245.59.154
91 2026-08-19 10:34 639227324986605572
18 ms 108.162.193.154
90 2026-08-19 10:34 639227324986605572
18 ms 172.64.33.154
89 2026-08-19 10:34 639227324986605572
18 ms 173.245.59.154
88 2026-08-19 10:18 639227314928414539
334 ms 173.245.59.154
87 2026-08-19 10:18 639227314928414539
334 ms 172.64.33.154
86 2026-08-19 10:18 639227314928414539
334 ms 108.162.193.154
85 2026-08-19 09:25 639227283029182134
29 ms 108.162.193.154
84 2026-08-19 09:25 639227283029182134
29 ms 172.64.33.154
83 2026-08-19 09:25 639227283029182134
29 ms 173.245.59.154
82 2026-08-19 09:08 639227273294779350
-
81 2026-08-19 08:52 639227263525231313
55 ms 108.162.193.154
80 2026-08-19 08:52 639227263525231313
55 ms 172.64.33.154
79 2026-08-19 08:52 639227263525231313
55 ms 173.245.59.154
78 2026-08-19 08:35 639227253578313363
10 ms 108.162.193.154
77 2026-08-19 08:35 639227253578313363
10 ms 172.64.33.154
76 2026-08-19 08:35 639227253578313363
10 ms 173.245.59.154
75 2026-08-19 08:19 639227243649973322
27 ms 108.162.193.154
74 2026-08-19 08:19 639227243649973322
27 ms 172.64.33.154
73 2026-08-19 08:19 639227243649973322
27 ms 173.245.59.154
72 2026-08-19 08:02 639227233581059317
11 ms 108.162.193.154
71 2026-08-19 08:02 639227233581059317
11 ms 172.64.33.154
70 2026-08-19 08:02 639227233581059317
11 ms 173.245.59.154
69 2026-08-19 07:46 639227223667352067
24 ms 108.162.193.154
68 2026-08-19 07:46 639227223667352067
24 ms 172.64.33.154
67 2026-08-19 07:46 639227223667352067
24 ms 173.245.59.154
66 2026-08-19 07:29 639227213714837066
36 ms 108.162.193.154
65 2026-08-19 07:29 639227213714837066
36 ms 172.64.33.154
64 2026-08-19 07:29 639227213714837066
36 ms 173.245.59.154
63 2026-08-19 07:12 639227203701208496
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62 2026-08-19 06:56 639227193643202179
33 ms 108.162.193.154
61 2026-08-19 06:56 639227193643202179
33 ms 172.64.33.154
60 2026-08-19 06:56 639227193643202179
33 ms 173.245.59.154
59 2026-08-19 06:39 639227183584431597
83 ms 108.162.193.154
58 2026-08-19 06:39 639227183584431597
83 ms 172.64.33.154
57 2026-08-19 06:39 639227183584431597
83 ms 173.245.59.154
56 2026-08-19 06:22 639227173347403088
136 ms 108.162.193.154
55 2026-08-19 06:22 639227173347403088
136 ms 172.64.33.154
54 2026-08-19 06:22 639227173347403088
136 ms 173.245.59.154
53 2026-08-19 05:29 639227141523007601
30 ms 108.162.193.154
52 2026-08-19 05:29 639227141523007601
30 ms 172.64.33.154
51 2026-08-19 05:29 639227141523007601
30 ms 173.245.59.154
50 2026-08-19 05:12 639227131785931574
4 ms 108.162.193.154
49 2026-08-19 05:12 639227131785931574
4 ms 172.64.33.154
48 2026-08-19 05:12 639227131785931574
4 ms 173.245.59.154
47 2026-08-19 04:57 639227122176475389
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46 2026-08-19 04:41 639227112668934596
24 ms 108.162.193.154
45 2026-08-19 04:41 639227112668934596
24 ms 172.64.33.154
44 2026-08-19 04:41 639227112668934596
24 ms 173.245.59.154
43 2026-08-19 04:24 639227102773292788
26 ms 108.162.193.154
42 2026-08-19 04:24 639227102773292788
26 ms 172.64.33.154
41 2026-08-19 04:24 639227102773292788
26 ms 173.245.59.154
40 2026-08-19 04:08 639227093141136930
30 ms 108.162.193.154
39 2026-08-19 04:08 639227093141136930
30 ms 172.64.33.154
38 2026-08-19 04:08 639227093141136930
30 ms 173.245.59.154
37 2026-08-19 03:52 639227083449420147
299 ms 108.162.193.154
36 2026-08-19 03:52 639227083449420147
299 ms 172.64.33.154
35 2026-08-19 03:52 639227083449420147
299 ms 173.245.59.154
34 2026-08-19 03:36 639227073771748493
8 ms 108.162.193.154
33 2026-08-19 03:36 639227073771748493
8 ms 172.64.33.154
32 2026-08-19 03:36 639227073771748493
8 ms 173.245.59.154
31 2026-08-19 03:19 639227063977347614
29 ms 108.162.193.154
30 2026-08-19 03:19 639227063977347614
29 ms 172.64.33.154
29 2026-08-19 03:19 639227063977347614
29 ms 173.245.59.154
28 2026-08-19 03:03 639227054253519024
11 ms 108.162.193.154
27 2026-08-19 03:03 639227054253519024
11 ms 172.64.33.154
26 2026-08-19 03:03 639227054253519024
11 ms 173.245.59.154
25 2026-08-19 02:47 639227044381963886
42 ms 108.162.193.154
24 2026-08-19 02:47 639227044381963886
42 ms 172.64.33.154
23 2026-08-19 02:47 639227044381963886
42 ms 173.245.59.154
22 2026-08-19 02:30 639227034441085514
415 ms 108.162.193.154
21 2026-08-19 02:30 639227034441085514
415 ms 172.64.33.154
20 2026-08-19 02:30 639227034441085514
415 ms 173.245.59.154
19 2026-08-19 01:38 639227003126489968
131 ms 108.162.193.154
18 2026-08-19 01:38 639227003126489968
131 ms 172.64.33.154
17 2026-08-19 01:38 639227003126489968
131 ms 173.245.59.154
16 2026-08-19 01:22 639226993456311614
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15 2026-08-19 01:06 639226983847312345
184 ms 108.162.193.154
14 2026-08-19 01:06 639226983847312345
184 ms 172.64.33.154
13 2026-08-19 01:06 639226983847312345
184 ms 173.245.59.154
12 2026-08-19 00:50 639226974357874853
5 ms 108.162.193.154
11 2026-08-19 00:50 639226974357874853
5 ms 172.64.33.154
10 2026-08-19 00:50 639226974357874853
5 ms 173.245.59.154
9 2026-08-19 00:34 639226964670484721
234 ms 108.162.193.154
8 2026-08-19 00:34 639226964670484721
234 ms 172.64.33.154
7 2026-08-19 00:34 639226964670484721
234 ms 173.245.59.154
6 2026-08-19 00:18 639226954857899696
195 ms 108.162.193.154
5 2026-08-19 00:18 639226954857899696
195 ms 172.64.33.154
4 2026-08-19 00:18 639226954857899696
195 ms 173.245.59.154
3 2026-08-19 00:01 639226945091603488
25 ms 108.162.193.154
2 2026-08-19 00:01 639226945091603488
25 ms 172.64.33.154
1 2026-08-19 00:01 639226945091603488
25 ms 173.245.59.154