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 2026-08-26. For this date, NameServerHistory found 122 DNS check records, 122 successful responses, 0 failed responses, and 118 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

122

Historical checks stored for this nameserver on selected date

Average Latency

118 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 20:34

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

122

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 2026-08-26 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
122 2026-08-26 20:34 639233731712555311
59 ms 162.159.1.33
121 2026-08-26 20:34 639233731712555311
59 ms 162.159.8.55
120 2026-08-26 20:16 639233721164051126
6 ms 162.159.1.33
119 2026-08-26 20:16 639233721164051126
6 ms 162.159.8.55
118 2026-08-26 19:58 639233710560486320
41 ms 162.159.1.33
117 2026-08-26 19:58 639233710560486320
41 ms 162.159.8.55
116 2026-08-26 19:41 639233699834667450
2048 ms 162.159.1.33
115 2026-08-26 19:41 639233699834667450
2048 ms 162.159.8.55
114 2026-08-26 18:46 639233667209186136
6 ms 162.159.1.33
113 2026-08-26 18:46 639233667209186136
6 ms 162.159.8.55
112 2026-08-26 18:29 639233656814316266
8 ms 162.159.1.33
111 2026-08-26 18:29 639233656814316266
8 ms 162.159.8.55
110 2026-08-26 18:11 639233646245051806
29 ms 162.159.1.33
109 2026-08-26 18:11 639233646245051806
29 ms 162.159.8.55
108 2026-08-26 17:54 639233635663779051
41 ms 162.159.8.55
107 2026-08-26 17:54 639233635663779051
41 ms 162.159.1.33
106 2026-08-26 17:36 639233624977342122
45 ms 162.159.1.33
105 2026-08-26 17:36 639233624977342122
45 ms 162.159.8.55
104 2026-08-26 17:18 639233614446136153
5 ms 162.159.1.33
103 2026-08-26 17:18 639233614446136153
5 ms 162.159.8.55
102 2026-08-26 17:00 639233603737877581
6 ms 162.159.1.33
101 2026-08-26 17:00 639233603737877581
6 ms 162.159.8.55
100 2026-08-26 16:43 639233593269224651
6 ms 162.159.1.33
99 2026-08-26 16:43 639233593269224651
6 ms 162.159.8.55
98 2026-08-26 16:25 639233582635086903
4 ms 162.159.1.33
97 2026-08-26 16:25 639233582635086903
4 ms 162.159.8.55
96 2026-08-26 16:07 639233572000374575
10 ms 162.159.1.33
95 2026-08-26 16:07 639233572000374575
10 ms 162.159.8.55
94 2026-08-26 15:49 639233561188633861
67 ms 162.159.1.33
93 2026-08-26 15:49 639233561188633861
67 ms 162.159.8.55
92 2026-08-26 15:32 639233550544357027
5 ms 162.159.1.33
91 2026-08-26 15:32 639233550544357027
5 ms 162.159.8.55
90 2026-08-26 14:37 639233517966053117
28 ms 162.159.1.33
89 2026-08-26 14:37 639233517966053117
28 ms 162.159.8.55
88 2026-08-26 14:20 639233507603253585
7 ms 162.159.1.33
87 2026-08-26 14:20 639233507603253585
7 ms 162.159.8.55
86 2026-08-26 14:03 639233497229039167
8 ms 162.159.1.33
85 2026-08-26 14:03 639233497229039167
8 ms 162.159.8.55
84 2026-08-26 13:45 639233486864546406
23 ms 162.159.1.33
83 2026-08-26 13:45 639233486864546406
23 ms 162.159.8.55
82 2026-08-26 13:28 639233476455174682
11 ms 162.159.8.55
81 2026-08-26 13:28 639233476455174682
11 ms 162.159.1.33
80 2026-08-26 13:11 639233466171592605
2042 ms 162.159.1.33
79 2026-08-26 13:11 639233466171592605
2042 ms 162.159.8.55
78 2026-08-26 12:54 639233455747096265
9 ms 162.159.1.33
77 2026-08-26 12:54 639233455747096265
9 ms 162.159.8.55
76 2026-08-26 12:36 639233445367152284
3 ms 162.159.1.33
75 2026-08-26 12:36 639233445367152284
3 ms 162.159.8.55
74 2026-08-26 12:19 639233434974187439
39 ms 162.159.8.55
73 2026-08-26 12:19 639233434974187439
39 ms 162.159.1.33
72 2026-08-26 12:02 639233424567558554
4 ms 162.159.1.33
71 2026-08-26 12:02 639233424567558554
4 ms 162.159.8.55
70 2026-08-26 11:44 639233414056832719
13 ms 162.159.1.33
69 2026-08-26 11:44 639233414056832719
13 ms 162.159.8.55
68 2026-08-26 11:27 639233403515141099
4 ms 162.159.1.33
67 2026-08-26 11:27 639233403515141099
4 ms 162.159.8.55
66 2026-08-26 10:32 639233370841350248
8 ms 162.159.1.33
65 2026-08-26 10:32 639233370841350248
8 ms 162.159.8.55
64 2026-08-26 10:15 639233360361507238
4 ms 162.159.1.33
63 2026-08-26 10:15 639233360361507238
4 ms 162.159.8.55
62 2026-08-26 09:58 639233350067824371
14 ms 162.159.1.33
61 2026-08-26 09:58 639233350067824371
14 ms 162.159.8.55
60 2026-08-26 09:40 639233339545274518
11 ms 162.159.1.33
59 2026-08-26 09:40 639233339545274518
11 ms 162.159.8.55
58 2026-08-26 09:23 639233329214918079
38 ms 162.159.1.33
57 2026-08-26 09:23 639233329214918079
38 ms 162.159.8.55
56 2026-08-26 09:05 639233318749762337
24 ms 162.159.1.33
55 2026-08-26 09:05 639233318749762337
24 ms 162.159.8.55
54 2026-08-26 08:48 639233308387917838
8 ms 162.159.8.55
53 2026-08-26 08:48 639233308387917838
8 ms 162.159.1.33
52 2026-08-26 08:31 639233297961740122
5 ms 162.159.1.33
51 2026-08-26 08:31 639233297961740122
5 ms 162.159.8.55
50 2026-08-26 08:13 639233287487159094
31 ms 162.159.1.33
49 2026-08-26 08:13 639233287487159094
31 ms 162.159.8.55
48 2026-08-26 07:56 639233276995531707
19 ms 162.159.1.33
47 2026-08-26 07:56 639233276995531707
19 ms 162.159.8.55
46 2026-08-26 07:38 639233266521568229
7 ms 162.159.1.33
45 2026-08-26 07:38 639233266521568229
7 ms 162.159.8.55
44 2026-08-26 07:21 639233256081047431
49 ms 162.159.1.33
43 2026-08-26 07:21 639233256081047431
49 ms 162.159.8.55
42 2026-08-26 06:27 639233223620132921
8 ms 162.159.1.33
41 2026-08-26 06:27 639233223620132921
8 ms 162.159.8.55
40 2026-08-26 06:10 639233213287814244
20 ms 162.159.1.33
39 2026-08-26 06:10 639233213287814244
20 ms 162.159.8.55
38 2026-08-26 05:52 639233202925983161
6 ms 162.159.1.33
37 2026-08-26 05:52 639233202925983161
6 ms 162.159.8.55
36 2026-08-26 05:35 639233192644780696
11 ms 162.159.8.55
35 2026-08-26 05:35 639233192644780696
11 ms 162.159.1.33
34 2026-08-26 05:18 639233182401183833
29 ms 162.159.1.33
33 2026-08-26 05:18 639233182401183833
29 ms 162.159.8.55
32 2026-08-26 05:01 639233172074181051
9 ms 162.159.1.33
31 2026-08-26 05:01 639233172074181051
9 ms 162.159.8.55
30 2026-08-26 04:44 639233161808421455
35 ms 162.159.1.33
29 2026-08-26 04:44 639233161808421455
35 ms 162.159.8.55
28 2026-08-26 04:26 639233151357344052
5 ms 162.159.1.33
27 2026-08-26 04:26 639233151357344052
5 ms 162.159.8.55
26 2026-08-26 04:09 639233141034116946
21 ms 162.159.1.33
25 2026-08-26 04:09 639233141034116946
21 ms 162.159.8.55
24 2026-08-26 03:52 639233130828334142
48 ms 162.159.1.33
23 2026-08-26 03:52 639233130828334142
48 ms 162.159.8.55
22 2026-08-26 03:35 639233120373450007
2016 ms 162.159.1.33
21 2026-08-26 03:35 639233120373450007
2016 ms 162.159.8.55
20 2026-08-26 03:18 639233110066216193
4 ms 162.159.1.33
19 2026-08-26 03:18 639233110066216193
4 ms 162.159.8.55
18 2026-08-26 02:24 639233078065410564
20 ms 162.159.1.33
17 2026-08-26 02:24 639233078065410564
20 ms 162.159.8.55
16 2026-08-26 02:07 639233067787457832
23 ms 162.159.1.33
15 2026-08-26 02:07 639233067787457832
23 ms 162.159.8.55
14 2026-08-26 01:50 639233057501801162
9 ms 162.159.1.33
13 2026-08-26 01:50 639233057501801162
9 ms 162.159.8.55
12 2026-08-26 01:33 639233047089431703
24 ms 162.159.8.55
11 2026-08-26 01:33 639233047089431703
24 ms 162.159.1.33
10 2026-08-26 01:15 639233036754790688
24 ms 162.159.8.55
9 2026-08-26 01:15 639233036754790688
24 ms 162.159.1.33
8 2026-08-26 00:58 639233026412602472
43 ms 162.159.1.33
7 2026-08-26 00:58 639233026412602472
43 ms 162.159.8.55
6 2026-08-26 00:41 639233016064066127
19 ms 162.159.1.33
5 2026-08-26 00:41 639233016064066127
19 ms 162.159.8.55
4 2026-08-26 00:24 639233005922655772
3 ms 162.159.1.33
3 2026-08-26 00:24 639233005922655772
3 ms 162.159.8.55
2 2026-08-26 00:07 639232995672256907
3 ms 162.159.1.33
1 2026-08-26 00:07 639232995672256907
3 ms 162.159.8.55