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 2026-08-15. For this date, NameServerHistory found 152 DNS check records, 152 successful responses, 0 failed responses, and 231 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

152

Historical checks stored for this nameserver on selected date

Average Latency

231 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-15 23:53

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

152

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 2026-08-15 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
152 2026-08-15 23:53 639224347685767174
159 ms 162.159.1.33
151 2026-08-15 23:53 639224347685767174
159 ms 162.159.8.55
150 2026-08-15 23:37 639224338276675277
78 ms 162.159.1.33
149 2026-08-15 23:37 639224338276675277
78 ms 162.159.8.55
148 2026-08-15 22:45 639224306594546649
7 ms 162.159.1.33
147 2026-08-15 22:45 639224306594546649
7 ms 162.159.8.55
146 2026-08-15 22:29 639224297145423303
4 ms 162.159.1.33
145 2026-08-15 22:29 639224297145423303
4 ms 162.159.8.55
144 2026-08-15 22:13 639224287678238833
8 ms 162.159.1.33
143 2026-08-15 22:13 639224287678238833
8 ms 162.159.8.55
142 2026-08-15 21:58 639224278490872828
2006 ms 162.159.8.55
141 2026-08-15 21:58 639224278490872828
2006 ms 162.159.1.33
140 2026-08-15 21:42 639224269149307826
18 ms 162.159.1.33
139 2026-08-15 21:42 639224269149307826
18 ms 162.159.8.55
138 2026-08-15 21:27 639224259868597616
16 ms 162.159.1.33
137 2026-08-15 21:27 639224259868597616
16 ms 162.159.8.55
136 2026-08-15 21:11 639224250518642175
10 ms 162.159.1.33
135 2026-08-15 21:11 639224250518642175
10 ms 162.159.8.55
134 2026-08-15 20:55 639224241064772383
25 ms 162.159.1.33
133 2026-08-15 20:55 639224241064772383
25 ms 162.159.8.55
132 2026-08-15 20:40 639224231691099605
27 ms 162.159.1.33
131 2026-08-15 20:40 639224231691099605
27 ms 162.159.8.55
130 2026-08-15 20:24 639224222468168159
36 ms 162.159.8.55
129 2026-08-15 20:24 639224222468168159
36 ms 162.159.1.33
128 2026-08-15 20:09 639224213173899635
5 ms 162.159.1.33
127 2026-08-15 20:09 639224213173899635
5 ms 162.159.8.55
126 2026-08-15 19:53 639224203914451783
51 ms 162.159.8.55
125 2026-08-15 19:53 639224203914451783
51 ms 162.159.1.33
124 2026-08-15 19:01 639224172202542163
11 ms 162.159.8.55
123 2026-08-15 19:01 639224172202542163
11 ms 162.159.1.33
122 2026-08-15 18:46 639224163338654093
12 ms 162.159.8.55
121 2026-08-15 18:46 639224163338654093
12 ms 162.159.1.33
120 2026-08-15 18:31 639224154287995374
27 ms 162.159.8.55
119 2026-08-15 18:31 639224154287995374
27 ms 162.159.1.33
118 2026-08-15 18:16 639224145118612503
8 ms 162.159.8.55
117 2026-08-15 18:16 639224145118612503
8 ms 162.159.1.33
116 2026-08-15 18:00 639224135995990731
29 ms 162.159.1.33
115 2026-08-15 18:00 639224135995990731
29 ms 162.159.8.55
114 2026-08-15 17:46 639224127185332624
14 ms 162.159.1.33
113 2026-08-15 17:46 639224127185332624
14 ms 162.159.8.55
112 2026-08-15 17:31 639224118229289175
4 ms 162.159.1.33
111 2026-08-15 17:31 639224118229289175
4 ms 162.159.8.55
110 2026-08-15 17:16 639224109273796359
2025 ms 162.159.8.55
109 2026-08-15 17:16 639224109273796359
2025 ms 162.159.1.33
108 2026-08-15 17:01 639224100490805608
30 ms 162.159.1.33
107 2026-08-15 17:01 639224100490805608
30 ms 162.159.8.55
106 2026-08-15 16:46 639224091353714490
7 ms 162.159.8.55
105 2026-08-15 16:46 639224091353714490
7 ms 162.159.1.33
104 2026-08-15 16:30 639224082033126828
8 ms 162.159.8.55
103 2026-08-15 16:30 639224082033126828
8 ms 162.159.1.33
102 2026-08-15 16:15 639224072736962403
4 ms 162.159.1.33
101 2026-08-15 16:15 639224072736962403
4 ms 162.159.8.55
100 2026-08-15 15:23 639224041475563754
7 ms 162.159.1.33
99 2026-08-15 15:23 639224041475563754
7 ms 162.159.8.55
98 2026-08-15 15:08 639224032345604453
7 ms 162.159.1.33
97 2026-08-15 15:08 639224032345604453
7 ms 162.159.8.55
96 2026-08-15 14:52 639224023169497283
27 ms 162.159.1.33
95 2026-08-15 14:52 639224023169497283
27 ms 162.159.8.55
94 2026-08-15 14:37 639224013981146405
5 ms 162.159.1.33
93 2026-08-15 14:37 639224013981146405
5 ms 162.159.8.55
92 2026-08-15 14:22 639224004883412586
4 ms 162.159.1.33
91 2026-08-15 14:22 639224004883412586
4 ms 162.159.8.55
90 2026-08-15 14:06 639223995612880615
2016 ms 162.159.8.55
89 2026-08-15 14:06 639223995612880615
2016 ms 162.159.1.33
88 2026-08-15 13:51 639223986271830789
7 ms 162.159.1.33
87 2026-08-15 13:51 639223986271830789
7 ms 162.159.8.55
86 2026-08-15 13:35 639223977005780949
37 ms 162.159.1.33
85 2026-08-15 13:35 639223977005780949
37 ms 162.159.8.55
84 2026-08-15 13:20 639223967653137793
30 ms 162.159.1.33
83 2026-08-15 13:20 639223967653137793
30 ms 162.159.8.55
82 2026-08-15 13:04 639223958286010799
39 ms 162.159.1.33
81 2026-08-15 13:04 639223958286010799
39 ms 162.159.8.55
80 2026-08-15 12:49 639223948936108345
10 ms 162.159.1.33
79 2026-08-15 12:49 639223948936108345
10 ms 162.159.8.55
78 2026-08-15 12:33 639223939673066880
35 ms 162.159.8.55
77 2026-08-15 12:33 639223939673066880
35 ms 162.159.1.33
76 2026-08-15 11:41 639223908317760530
19 ms 162.159.1.33
75 2026-08-15 11:41 639223908317760530
19 ms 162.159.8.55
74 2026-08-15 11:25 639223898992594258
6 ms 162.159.1.33
73 2026-08-15 11:25 639223898992594258
6 ms 162.159.8.55
72 2026-08-15 11:10 639223889761312823
27 ms 162.159.1.33
71 2026-08-15 11:10 639223889761312823
27 ms 162.159.8.55
70 2026-08-15 10:54 639223880359273507
65 ms 162.159.1.33
69 2026-08-15 10:54 639223880359273507
65 ms 162.159.8.55
68 2026-08-15 10:39 639223870920466808
32 ms 162.159.1.33
67 2026-08-15 10:39 639223870920466808
32 ms 162.159.8.55
66 2026-08-15 10:23 639223861579762179
12 ms 162.159.1.33
65 2026-08-15 10:23 639223861579762179
12 ms 162.159.8.55
64 2026-08-15 10:08 639223852238616009
8 ms 162.159.8.55
63 2026-08-15 10:08 639223852238616009
8 ms 162.159.1.33
62 2026-08-15 09:52 639223843019815620
36 ms 162.159.1.33
61 2026-08-15 09:52 639223843019815620
36 ms 162.159.8.55
60 2026-08-15 09:37 639223833669915012
11 ms 162.159.1.33
59 2026-08-15 09:37 639223833669915012
11 ms 162.159.8.55
58 2026-08-15 09:21 639223824494613222
40 ms 162.159.8.55
57 2026-08-15 09:21 639223824494613222
40 ms 162.159.1.33
56 2026-08-15 09:06 639223815116325293
2011 ms 162.159.1.33
55 2026-08-15 09:06 639223815116325293
2011 ms 162.159.8.55
54 2026-08-15 08:50 639223805493870221
39 ms 162.159.1.33
53 2026-08-15 08:50 639223805493870221
39 ms 162.159.8.55
52 2026-08-15 07:57 639223774218660438
12 ms 162.159.1.33
51 2026-08-15 07:57 639223774218660438
12 ms 162.159.8.55
50 2026-08-15 07:42 639223764663090372
9 ms 162.159.1.33
49 2026-08-15 07:42 639223764663090372
9 ms 162.159.8.55
48 2026-08-15 07:26 639223755338811400
27 ms 162.159.1.33
47 2026-08-15 07:26 639223755338811400
27 ms 162.159.8.55
46 2026-08-15 07:10 639223746019193268
3 ms 162.159.1.33
45 2026-08-15 07:10 639223746019193268
3 ms 162.159.8.55
44 2026-08-15 06:55 639223736658778104
2034 ms 162.159.1.33
43 2026-08-15 06:55 639223736658778104
2034 ms 162.159.8.55
42 2026-08-15 06:39 639223727330194499
2041 ms 162.159.8.55
41 2026-08-15 06:39 639223727330194499
2041 ms 162.159.1.33
40 2026-08-15 06:24 639223717848514742
5 ms 162.159.1.33
39 2026-08-15 06:24 639223717848514742
5 ms 162.159.8.55
38 2026-08-15 06:08 639223708284754056
3 ms 162.159.1.33
37 2026-08-15 06:08 639223708284754056
3 ms 162.159.8.55
36 2026-08-15 05:52 639223699061259933
13 ms 162.159.1.33
35 2026-08-15 05:52 639223699061259933
13 ms 162.159.8.55
34 2026-08-15 05:36 639223689592545140
7 ms 162.159.8.55
33 2026-08-15 05:36 639223689592545140
7 ms 162.159.1.33
32 2026-08-15 05:21 639223680143410810
4 ms 162.159.1.33
31 2026-08-15 05:21 639223680143410810
4 ms 162.159.8.55
30 2026-08-15 05:05 639223670514517104
7 ms 162.159.1.33
29 2026-08-15 05:05 639223670514517104
7 ms 162.159.8.55
28 2026-08-15 04:12 639223638855054294
5 ms 162.159.1.33
27 2026-08-15 04:12 639223638855054294
5 ms 162.159.8.55
26 2026-08-15 03:56 639223629623335972
32 ms 162.159.8.55
25 2026-08-15 03:56 639223629623335972
32 ms 162.159.1.33
24 2026-08-15 03:41 639223620390189495
22 ms 162.159.1.33
23 2026-08-15 03:41 639223620390189495
22 ms 162.159.8.55
22 2026-08-15 03:25 639223610916950440
38 ms 162.159.1.33
21 2026-08-15 03:25 639223610916950440
38 ms 162.159.8.55
20 2026-08-15 03:10 639223601597759168
2014 ms 162.159.1.33
19 2026-08-15 03:10 639223601597759168
2014 ms 162.159.8.55
18 2026-08-15 02:54 639223592342172093
3 ms 162.159.1.33
17 2026-08-15 02:54 639223592342172093
3 ms 162.159.8.55
16 2026-08-15 02:39 639223583324121497
3 ms 162.159.1.33
15 2026-08-15 02:39 639223583324121497
3 ms 162.159.8.55
14 2026-08-15 02:24 639223574086714218
4 ms 162.159.1.33
13 2026-08-15 02:24 639223574086714218
4 ms 162.159.8.55
12 2026-08-15 02:08 639223564698424889
26 ms 162.159.1.33
11 2026-08-15 02:08 639223564698424889
26 ms 162.159.8.55
10 2026-08-15 01:53 639223555408664206
14 ms 162.159.1.33
9 2026-08-15 01:53 639223555408664206
14 ms 162.159.8.55
8 2026-08-15 01:37 639223546000912416
2016 ms 162.159.1.33
7 2026-08-15 01:37 639223546000912416
2016 ms 162.159.8.55
6 2026-08-15 01:21 639223536550774847
23 ms 162.159.1.33
5 2026-08-15 01:21 639223536550774847
23 ms 162.159.8.55
4 2026-08-15 00:29 639223505017205611
4 ms 162.159.1.33
3 2026-08-15 00:29 639223505017205611
4 ms 162.159.8.55
2 2026-08-15 00:13 639223495784410207
7 ms 162.159.1.33
1 2026-08-15 00:13 639223495784410207
7 ms 162.159.8.55