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 2026-08-11. For this date, NameServerHistory found 152 DNS check records, 152 successful responses, 0 failed responses, and 259 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

259 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-11 23:50

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 2026-08-11 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 2026-08-11 23:50 639220888396333845
31 ms 162.159.1.33
151 2026-08-11 23:50 639220888396333845
31 ms 162.159.8.55
150 2026-08-11 23:34 639220878864937382
28 ms 162.159.1.33
149 2026-08-11 23:34 639220878864937382
28 ms 162.159.8.55
148 2026-08-11 22:40 639220847369072314
6 ms 162.159.1.33
147 2026-08-11 22:40 639220847369072314
6 ms 162.159.8.55
146 2026-08-11 22:25 639220838037764925
2030 ms 162.159.1.33
145 2026-08-11 22:25 639220838037764925
2030 ms 162.159.8.55
144 2026-08-11 22:09 639220828735120634
8 ms 162.159.1.33
143 2026-08-11 22:09 639220828735120634
8 ms 162.159.8.55
142 2026-08-11 21:54 639220819447979766
48 ms 162.159.1.33
141 2026-08-11 21:54 639220819447979766
48 ms 162.159.8.55
140 2026-08-11 21:38 639220810056531741
14 ms 162.159.1.33
139 2026-08-11 21:38 639220810056531741
14 ms 162.159.8.55
138 2026-08-11 21:23 639220800745746593
8 ms 162.159.1.33
137 2026-08-11 21:23 639220800745746593
8 ms 162.159.8.55
136 2026-08-11 21:07 639220791351626349
100 ms 162.159.8.55
135 2026-08-11 21:07 639220791351626349
100 ms 162.159.1.33
134 2026-08-11 20:52 639220782021256610
4 ms 162.159.1.33
133 2026-08-11 20:52 639220782021256610
4 ms 162.159.8.55
132 2026-08-11 20:36 639220772603347755
9 ms 162.159.1.33
131 2026-08-11 20:36 639220772603347755
9 ms 162.159.8.55
130 2026-08-11 20:20 639220763224057047
4026 ms 162.159.8.55
129 2026-08-11 20:20 639220763224057047
4026 ms 162.159.1.33
128 2026-08-11 20:04 639220753691117767
54 ms 162.159.1.33
127 2026-08-11 20:04 639220753691117767
54 ms 162.159.8.55
126 2026-08-11 19:48 639220744107836218
71 ms 162.159.1.33
125 2026-08-11 19:48 639220744107836218
71 ms 162.159.8.55
124 2026-08-11 18:55 639220711927629898
33 ms 162.159.1.33
123 2026-08-11 18:55 639220711927629898
33 ms 162.159.8.55
122 2026-08-11 18:39 639220702299437921
41 ms 162.159.1.33
121 2026-08-11 18:39 639220702299437921
41 ms 162.159.8.55
120 2026-08-11 18:23 639220692505468181
39 ms 162.159.1.33
119 2026-08-11 18:23 639220692505468181
39 ms 162.159.8.55
118 2026-08-11 18:07 639220682669911239
9 ms 162.159.1.33
117 2026-08-11 18:07 639220682669911239
9 ms 162.159.8.55
116 2026-08-11 17:50 639220672929841526
10 ms 162.159.1.33
115 2026-08-11 17:50 639220672929841526
10 ms 162.159.8.55
114 2026-08-11 17:34 639220663225662315
35 ms 162.159.1.33
113 2026-08-11 17:34 639220663225662315
35 ms 162.159.8.55
112 2026-08-11 17:19 639220653846255684
14 ms 162.159.1.33
111 2026-08-11 17:19 639220653846255684
14 ms 162.159.8.55
110 2026-08-11 17:03 639220644420909059
3 ms 162.159.1.33
109 2026-08-11 17:03 639220644420909059
3 ms 162.159.8.55
108 2026-08-11 16:47 639220635074970435
22 ms 162.159.1.33
107 2026-08-11 16:47 639220635074970435
22 ms 162.159.8.55
106 2026-08-11 16:32 639220625614385966
23 ms 162.159.1.33
105 2026-08-11 16:32 639220625614385966
23 ms 162.159.8.55
104 2026-08-11 16:16 639220616132212636
27 ms 162.159.8.55
103 2026-08-11 16:16 639220616132212636
27 ms 162.159.1.33
102 2026-08-11 16:00 639220606533651662
29 ms 162.159.1.33
101 2026-08-11 16:00 639220606533651662
29 ms 162.159.8.55
100 2026-08-11 15:07 639220574514514318
4 ms 162.159.1.33
99 2026-08-11 15:07 639220574514514318
4 ms 162.159.8.55
98 2026-08-11 14:51 639220565124823874
3 ms 162.159.1.33
97 2026-08-11 14:51 639220565124823874
3 ms 162.159.8.55
96 2026-08-11 14:35 639220555799311478
19 ms 162.159.1.33
95 2026-08-11 14:35 639220555799311478
19 ms 162.159.8.55
94 2026-08-11 14:20 639220546481577614
64 ms 162.159.1.33
93 2026-08-11 14:20 639220546481577614
64 ms 162.159.8.55
92 2026-08-11 14:04 639220537036533154
11 ms 162.159.1.33
91 2026-08-11 14:04 639220537036533154
11 ms 162.159.8.55
90 2026-08-11 13:48 639220527719177174
34 ms 162.159.1.33
89 2026-08-11 13:48 639220527719177174
34 ms 162.159.8.55
88 2026-08-11 13:33 639220518173088308
3 ms 162.159.1.33
87 2026-08-11 13:33 639220518173088308
3 ms 162.159.8.55
86 2026-08-11 13:17 639220508902896243
60 ms 162.159.1.33
85 2026-08-11 13:17 639220508902896243
60 ms 162.159.8.55
84 2026-08-11 13:01 639220499455923005
68 ms 162.159.8.55
83 2026-08-11 13:01 639220499455923005
68 ms 162.159.1.33
82 2026-08-11 12:46 639220490082583768
22 ms 162.159.1.33
81 2026-08-11 12:46 639220490082583768
22 ms 162.159.8.55
80 2026-08-11 12:30 639220480636590998
35 ms 162.159.8.55
79 2026-08-11 12:30 639220480636590998
35 ms 162.159.1.33
78 2026-08-11 12:12 639220469585029273
2016 ms 162.159.1.33
77 2026-08-11 12:12 639220469585029273
2016 ms 162.159.8.55
76 2026-08-11 11:19 639220438074188884
11 ms 162.159.1.33
75 2026-08-11 11:19 639220438074188884
11 ms 162.159.8.55
74 2026-08-11 11:04 639220428789720049
7 ms 162.159.1.33
73 2026-08-11 11:04 639220428789720049
7 ms 162.159.8.55
72 2026-08-11 10:48 639220419558302820
17 ms 162.159.8.55
71 2026-08-11 10:48 639220419558302820
17 ms 162.159.1.33
70 2026-08-11 10:33 639220410448738795
22 ms 162.159.1.33
69 2026-08-11 10:33 639220410448738795
22 ms 162.159.8.55
68 2026-08-11 10:17 639220401034081530
2022 ms 162.159.1.33
67 2026-08-11 10:17 639220401034081530
2022 ms 162.159.8.55
66 2026-08-11 10:02 639220391766674161
8 ms 162.159.1.33
65 2026-08-11 10:02 639220391766674161
8 ms 162.159.8.55
64 2026-08-11 09:46 639220382275807148
2037 ms 162.159.1.33
63 2026-08-11 09:46 639220382275807148
2037 ms 162.159.8.55
62 2026-08-11 09:31 639220373034162867
10 ms 162.159.1.33
61 2026-08-11 09:31 639220373034162867
10 ms 162.159.8.55
60 2026-08-11 09:15 639220363994971859
17 ms 162.159.1.33
59 2026-08-11 09:15 639220363994971859
17 ms 162.159.8.55
58 2026-08-11 09:00 639220354563965455
3 ms 162.159.1.33
57 2026-08-11 09:00 639220354563965455
3 ms 162.159.8.55
56 2026-08-11 08:45 639220345437414880
7 ms 162.159.1.33
55 2026-08-11 08:45 639220345437414880
7 ms 162.159.8.55
54 2026-08-11 08:29 639220336024248987
6 ms 162.159.1.33
53 2026-08-11 08:29 639220336024248987
6 ms 162.159.8.55
52 2026-08-11 07:36 639220304233635692
3 ms 162.159.1.33
51 2026-08-11 07:36 639220304233635692
3 ms 162.159.8.55
50 2026-08-11 07:21 639220294872170960
38 ms 162.159.1.33
49 2026-08-11 07:21 639220294872170960
38 ms 162.159.8.55
48 2026-08-11 07:05 639220285547177980
5 ms 162.159.1.33
47 2026-08-11 07:05 639220285547177980
5 ms 162.159.8.55
46 2026-08-11 06:50 639220276337941315
2019 ms 162.159.8.55
45 2026-08-11 06:50 639220276337941315
2019 ms 162.159.1.33
44 2026-08-11 06:34 639220267175191677
4 ms 162.159.1.33
43 2026-08-11 06:34 639220267175191677
4 ms 162.159.8.55
42 2026-08-11 06:19 639220257981518924
18 ms 162.159.1.33
41 2026-08-11 06:19 639220257981518924
18 ms 162.159.8.55
40 2026-08-11 06:05 639220249265489070
29 ms 162.159.1.33
39 2026-08-11 06:05 639220249265489070
29 ms 162.159.8.55
38 2026-08-11 05:50 639220240700249205
39 ms 162.159.1.33
37 2026-08-11 05:50 639220240700249205
39 ms 162.159.8.55
36 2026-08-11 05:36 639220231975029986
34 ms 162.159.1.33
35 2026-08-11 05:36 639220231975029986
34 ms 162.159.8.55
34 2026-08-11 05:21 639220223261176932
7 ms 162.159.1.33
33 2026-08-11 05:21 639220223261176932
7 ms 162.159.8.55
32 2026-08-11 05:07 639220214366718456
4 ms 162.159.1.33
31 2026-08-11 05:07 639220214366718456
4 ms 162.159.8.55
30 2026-08-11 04:51 639220205306334524
17 ms 162.159.1.33
29 2026-08-11 04:51 639220205306334524
17 ms 162.159.8.55
28 2026-08-11 04:00 639220174463175061
27 ms 162.159.1.33
27 2026-08-11 04:00 639220174463175061
27 ms 162.159.8.55
26 2026-08-11 03:46 639220165777190438
7 ms 162.159.1.33
25 2026-08-11 03:46 639220165777190438
7 ms 162.159.8.55
24 2026-08-11 03:31 639220156880374825
25 ms 162.159.8.55
23 2026-08-11 03:31 639220156880374825
25 ms 162.159.1.33
22 2026-08-11 03:16 639220148139986945
6 ms 162.159.1.33
21 2026-08-11 03:16 639220148139986945
6 ms 162.159.8.55
20 2026-08-11 03:02 639220139271074299
16 ms 162.159.1.33
19 2026-08-11 03:02 639220139271074299
16 ms 162.159.8.55
18 2026-08-11 02:47 639220130565901336
23 ms 162.159.1.33
17 2026-08-11 02:47 639220130565901336
23 ms 162.159.8.55
16 2026-08-11 02:32 639220121659980575
24 ms 162.159.1.33
15 2026-08-11 02:32 639220121659980575
24 ms 162.159.8.55
14 2026-08-11 02:18 639220112857650894
2025 ms 162.159.8.55
13 2026-08-11 02:18 639220112857650894
2025 ms 162.159.1.33
12 2026-08-11 02:02 639220103767686219
30 ms 162.159.8.55
11 2026-08-11 02:02 639220103767686219
30 ms 162.159.1.33
10 2026-08-11 01:47 639220094545970611
20 ms 162.159.1.33
9 2026-08-11 01:47 639220094545970611
20 ms 162.159.8.55
8 2026-08-11 01:32 639220085476091081
9 ms 162.159.8.55
7 2026-08-11 01:32 639220085476091081
9 ms 162.159.1.33
6 2026-08-11 01:17 639220076243751161
38 ms 162.159.8.55
5 2026-08-11 01:17 639220076243751161
38 ms 162.159.1.33
4 2026-08-11 00:24 639220045322845190
4 ms 162.159.1.33
3 2026-08-11 00:24 639220045322845190
4 ms 162.159.8.55
2 2026-08-11 00:09 639220036434132314
2020 ms 162.159.8.55
1 2026-08-11 00:09 639220036434132314
2020 ms 162.159.1.33