DNS response history for ns4.cloudflare.com

ns4.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 2026-08-14. For this date, NameServerHistory found 156 DNS check records, 156 successful responses, 0 failed responses, and 254 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 ns4.cloudflare.com.
Records on Selected Date

156

Historical checks stored for this nameserver on selected date

Average Latency

254 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-14 23:58

All timestamps shown in UTC

Latest Resolved IP on Selected Date

162.159.1.33

Most recently resolved hosting IP on selected date

Successful Responses

156

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 ns4.cloudflare.com

Showing DNS history for 2026-08-14 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
156 2026-08-14 23:58 639223486524583054
19 ms 162.159.1.33
155 2026-08-14 23:58 639223486524583054
19 ms 162.159.8.55
154 2026-08-14 23:42 639223477272309567
46 ms 162.159.8.55
153 2026-08-14 23:42 639223477272309567
46 ms 162.159.1.33
152 2026-08-14 23:27 639223467876800215
34 ms 162.159.1.33
151 2026-08-14 23:27 639223467876800215
34 ms 162.159.8.55
150 2026-08-14 23:11 639223458466733344
6 ms 162.159.1.33
149 2026-08-14 23:11 639223458466733344
6 ms 162.159.8.55
148 2026-08-14 22:56 639223449196197019
10 ms 162.159.1.33
147 2026-08-14 22:56 639223449196197019
10 ms 162.159.8.55
146 2026-08-14 22:40 639223439729973302
35 ms 162.159.8.55
145 2026-08-14 22:40 639223439729973302
35 ms 162.159.1.33
144 2026-08-14 22:24 639223430298973377
2030 ms 162.159.8.55
143 2026-08-14 22:24 639223430298973377
2030 ms 162.159.1.33
142 2026-08-14 22:08 639223420812183061
30 ms 162.159.1.33
141 2026-08-14 22:08 639223420812183061
30 ms 162.159.8.55
140 2026-08-14 21:52 639223411307572360
34 ms 162.159.1.33
139 2026-08-14 21:52 639223411307572360
34 ms 162.159.8.55
138 2026-08-14 21:37 639223401895099116
40 ms 162.159.1.33
137 2026-08-14 21:37 639223401895099116
40 ms 162.159.8.55
136 2026-08-14 20:44 639223370328282191
29 ms 162.159.1.33
135 2026-08-14 20:44 639223370328282191
29 ms 162.159.8.55
134 2026-08-14 20:29 639223361156898888
4008 ms 162.159.1.33
133 2026-08-14 20:29 639223361156898888
4008 ms 162.159.8.55
132 2026-08-14 20:13 639223351683501109
6 ms 162.159.1.33
131 2026-08-14 20:13 639223351683501109
6 ms 162.159.8.55
130 2026-08-14 19:57 639223342485908428
11 ms 162.159.1.33
129 2026-08-14 19:57 639223342485908428
11 ms 162.159.8.55
128 2026-08-14 19:42 639223333113923772
6 ms 162.159.1.33
127 2026-08-14 19:42 639223333113923772
6 ms 162.159.8.55
126 2026-08-14 19:26 639223323766820131
2020 ms 162.159.1.33
125 2026-08-14 19:26 639223323766820131
2020 ms 162.159.8.55
124 2026-08-14 19:11 639223314500774279
2016 ms 162.159.1.33
123 2026-08-14 19:11 639223314500774279
2016 ms 162.159.8.55
122 2026-08-14 18:55 639223305225877159
12 ms 162.159.1.33
121 2026-08-14 18:55 639223305225877159
12 ms 162.159.8.55
120 2026-08-14 18:40 639223295834845965
5 ms 162.159.1.33
119 2026-08-14 18:40 639223295834845965
5 ms 162.159.8.55
118 2026-08-14 18:24 639223286312006616
30 ms 162.159.1.33
117 2026-08-14 18:24 639223286312006616
30 ms 162.159.8.55
116 2026-08-14 18:08 639223276659010988
47 ms 162.159.1.33
115 2026-08-14 18:08 639223276659010988
47 ms 162.159.8.55
114 2026-08-14 17:52 639223267203892251
4 ms 162.159.1.33
113 2026-08-14 17:52 639223267203892251
4 ms 162.159.8.55
112 2026-08-14 16:59 639223235652723921
60 ms 162.159.1.33
111 2026-08-14 16:59 639223235652723921
60 ms 162.159.8.55
110 2026-08-14 16:44 639223226156684619
36 ms 162.159.1.33
109 2026-08-14 16:44 639223226156684619
36 ms 162.159.8.55
108 2026-08-14 16:28 639223216737677817
26 ms 162.159.1.33
107 2026-08-14 16:28 639223216737677817
26 ms 162.159.8.55
106 2026-08-14 16:12 639223207303987036
4 ms 162.159.1.33
105 2026-08-14 16:12 639223207303987036
4 ms 162.159.8.55
104 2026-08-14 15:57 639223197972369650
8 ms 162.159.1.33
103 2026-08-14 15:57 639223197972369650
8 ms 162.159.8.55
102 2026-08-14 15:41 639223188476518684
17 ms 162.159.1.33
101 2026-08-14 15:41 639223188476518684
17 ms 162.159.8.55
100 2026-08-14 15:25 639223179029668254
4 ms 162.159.1.33
99 2026-08-14 15:25 639223179029668254
4 ms 162.159.8.55
98 2026-08-14 15:10 639223169668684371
2039 ms 162.159.8.55
97 2026-08-14 15:10 639223169668684371
2039 ms 162.159.1.33
96 2026-08-14 14:54 639223160270013058
17 ms 162.159.1.33
95 2026-08-14 14:54 639223160270013058
17 ms 162.159.8.55
94 2026-08-14 14:38 639223150848386507
4 ms 162.159.1.33
93 2026-08-14 14:38 639223150848386507
4 ms 162.159.8.55
92 2026-08-14 14:23 639223141514160124
5 ms 162.159.1.33
91 2026-08-14 14:23 639223141514160124
5 ms 162.159.8.55
90 2026-08-14 14:07 639223131908897269
24 ms 162.159.1.33
89 2026-08-14 14:07 639223131908897269
24 ms 162.159.8.55
88 2026-08-14 13:14 639223100084750932
18 ms 162.159.1.33
87 2026-08-14 13:14 639223100084750932
18 ms 162.159.8.55
86 2026-08-14 12:58 639223090744921973
38 ms 162.159.1.33
85 2026-08-14 12:58 639223090744921973
38 ms 162.159.8.55
84 2026-08-14 12:43 639223081343134137
48 ms 162.159.1.33
83 2026-08-14 12:43 639223081343134137
48 ms 162.159.8.55
82 2026-08-14 12:27 639223071917003603
14 ms 162.159.1.33
81 2026-08-14 12:27 639223071917003603
14 ms 162.159.8.55
80 2026-08-14 12:11 639223062407395043
30 ms 162.159.1.33
79 2026-08-14 12:11 639223062407395043
30 ms 162.159.8.55
78 2026-08-14 11:55 639223052970600447
12 ms 162.159.1.33
77 2026-08-14 11:55 639223052970600447
12 ms 162.159.8.55
76 2026-08-14 11:40 639223043584242187
80 ms 162.159.1.33
75 2026-08-14 11:40 639223043584242187
80 ms 162.159.8.55
74 2026-08-14 11:24 639223034248611856
47 ms 162.159.1.33
73 2026-08-14 11:24 639223034248611856
47 ms 162.159.8.55
72 2026-08-14 11:08 639223024816175094
64 ms 162.159.1.33
71 2026-08-14 11:08 639223024816175094
64 ms 162.159.8.55
70 2026-08-14 10:53 639223015278211871
27 ms 162.159.1.33
69 2026-08-14 10:53 639223015278211871
27 ms 162.159.8.55
68 2026-08-14 10:36 639223005387568522
20 ms 162.159.1.33
67 2026-08-14 10:36 639223005387568522
20 ms 162.159.8.55
66 2026-08-14 10:20 639222995944735037
49 ms 162.159.1.33
65 2026-08-14 10:20 639222995944735037
49 ms 162.159.8.55
64 2026-08-14 09:28 639222964532402826
25 ms 162.159.1.33
63 2026-08-14 09:28 639222964532402826
25 ms 162.159.8.55
62 2026-08-14 09:12 639222955031971579
34 ms 162.159.1.33
61 2026-08-14 09:12 639222955031971579
34 ms 162.159.8.55
60 2026-08-14 08:57 639222945616352079
24 ms 162.159.1.33
59 2026-08-14 08:57 639222945616352079
24 ms 162.159.8.55
58 2026-08-14 08:41 639222936296615644
12 ms 162.159.1.33
57 2026-08-14 08:41 639222936296615644
12 ms 162.159.8.55
56 2026-08-14 08:25 639222926913151746
11 ms 162.159.1.33
55 2026-08-14 08:25 639222926913151746
11 ms 162.159.8.55
54 2026-08-14 08:10 639222917608375722
6 ms 162.159.1.33
53 2026-08-14 08:10 639222917608375722
6 ms 162.159.8.55
52 2026-08-14 07:54 639222908294448500
10 ms 162.159.1.33
51 2026-08-14 07:54 639222908294448500
10 ms 162.159.8.55
50 2026-08-14 07:39 639222898918389753
28 ms 162.159.1.33
49 2026-08-14 07:39 639222898918389753
28 ms 162.159.8.55
48 2026-08-14 07:23 639222889625876211
67 ms 162.159.1.33
47 2026-08-14 07:23 639222889625876211
67 ms 162.159.8.55
46 2026-08-14 07:08 639222880353707528
7 ms 162.159.8.55
45 2026-08-14 07:08 639222880353707528
7 ms 162.159.1.33
44 2026-08-14 06:52 639222871065611259
12 ms 162.159.8.55
43 2026-08-14 06:52 639222871065611259
12 ms 162.159.1.33
42 2026-08-14 06:36 639222861517093112
12 ms 162.159.1.33
41 2026-08-14 06:36 639222861517093112
12 ms 162.159.8.55
40 2026-08-14 05:44 639222830182717637
30 ms 162.159.1.33
39 2026-08-14 05:44 639222830182717637
30 ms 162.159.8.55
38 2026-08-14 05:28 639222820714737422
41 ms 162.159.1.33
37 2026-08-14 05:28 639222820714737422
41 ms 162.159.8.55
36 2026-08-14 05:13 639222811404284741
14 ms 162.159.1.33
35 2026-08-14 05:13 639222811404284741
14 ms 162.159.8.55
34 2026-08-14 04:57 639222801994952240
5 ms 162.159.1.33
33 2026-08-14 04:57 639222801994952240
5 ms 162.159.8.55
32 2026-08-14 04:41 639222792581940911
29 ms 162.159.1.33
31 2026-08-14 04:41 639222792581940911
29 ms 162.159.8.55
30 2026-08-14 04:26 639222783296631220
6 ms 162.159.1.33
29 2026-08-14 04:26 639222783296631220
6 ms 162.159.8.55
28 2026-08-14 04:10 639222773909528001
63 ms 162.159.1.33
27 2026-08-14 04:10 639222773909528001
63 ms 162.159.8.55
26 2026-08-14 03:55 639222764574707991
9 ms 162.159.1.33
25 2026-08-14 03:55 639222764574707991
9 ms 162.159.8.55
24 2026-08-14 03:39 639222754982758281
22 ms 162.159.8.55
23 2026-08-14 03:39 639222754982758281
22 ms 162.159.1.33
22 2026-08-14 03:23 639222745650144239
6 ms 162.159.1.33
21 2026-08-14 03:23 639222745650144239
6 ms 162.159.8.55
20 2026-08-14 03:07 639222736060223018
2012 ms 162.159.8.55
19 2026-08-14 03:07 639222736060223018
2012 ms 162.159.1.33
18 2026-08-14 02:51 639222726529271510
2015 ms 162.159.1.33
17 2026-08-14 02:51 639222726529271510
2015 ms 162.159.8.55
16 2026-08-14 01:58 639222694791257846
42 ms 162.159.1.33
15 2026-08-14 01:58 639222694791257846
42 ms 162.159.8.55
14 2026-08-14 01:43 639222685350317820
3 ms 162.159.1.33
13 2026-08-14 01:43 639222685350317820
3 ms 162.159.8.55
12 2026-08-14 01:27 639222675895178560
19 ms 162.159.1.33
11 2026-08-14 01:27 639222675895178560
19 ms 162.159.8.55
10 2026-08-14 01:11 639222666344182743
2037 ms 162.159.8.55
9 2026-08-14 01:11 639222666344182743
2037 ms 162.159.1.33
8 2026-08-14 00:55 639222656762316965
4 ms 162.159.1.33
7 2026-08-14 00:55 639222656762316965
4 ms 162.159.8.55
6 2026-08-14 00:39 639222647109404695
15 ms 162.159.1.33
5 2026-08-14 00:39 639222647109404695
15 ms 162.159.8.55
4 2026-08-14 00:23 639222637659944389
7 ms 162.159.1.33
3 2026-08-14 00:23 639222637659944389
7 ms 162.159.8.55
2 2026-08-14 00:07 639222628151417313
4 ms 162.159.1.33
1 2026-08-14 00:07 639222628151417313
4 ms 162.159.8.55