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 2026-08-16. For this date, NameServerHistory found 120 DNS check records, 120 successful responses, 0 failed responses, and 360 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

120

Historical checks stored for this nameserver on selected date

Average Latency

360 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-16 23:47

All timestamps shown in UTC

Latest Resolved IP on Selected Date

162.159.8.55

Most recently resolved hosting IP on selected date

Successful Responses

120

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 2026-08-16 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
120 2026-08-16 23:47 639225207490611656
16 ms 162.159.8.55
119 2026-08-16 23:47 639225207490611656
16 ms 162.159.1.33
118 2026-08-16 23:31 639225198045815385
19 ms 162.159.8.55
117 2026-08-16 23:31 639225198045815385
19 ms 162.159.1.33
116 2026-08-16 22:39 639225166825544741
4 ms 162.159.1.33
115 2026-08-16 22:39 639225166825544741
4 ms 162.159.8.55
114 2026-08-16 22:23 639225157549461269
9 ms 162.159.1.33
113 2026-08-16 22:23 639225157549461269
9 ms 162.159.8.55
112 2026-08-16 22:07 639225147914556308
4 ms 162.159.1.33
111 2026-08-16 22:07 639225147914556308
4 ms 162.159.8.55
110 2026-08-16 21:51 639225138472322960
24 ms 162.159.1.33
109 2026-08-16 21:51 639225138472322960
24 ms 162.159.8.55
108 2026-08-16 20:59 639225107211236826
35 ms 162.159.8.55
107 2026-08-16 20:59 639225107211236826
35 ms 162.159.1.33
106 2026-08-16 20:43 639225097684457510
57 ms 162.159.8.55
105 2026-08-16 20:43 639225097684457510
57 ms 162.159.1.33
104 2026-08-16 20:27 639225087942913396
20 ms 162.159.1.33
103 2026-08-16 20:27 639225087942913396
20 ms 162.159.8.55
102 2026-08-16 20:11 639225078238684183
81 ms 162.159.8.55
101 2026-08-16 20:11 639225078238684183
81 ms 162.159.1.33
100 2026-08-16 19:19 639225046944151094
4 ms 162.159.1.33
99 2026-08-16 19:19 639225046944151094
4 ms 162.159.8.55
98 2026-08-16 19:03 639225037234857231
2016 ms 162.159.1.33
97 2026-08-16 19:03 639225037234857231
2016 ms 162.159.8.55
96 2026-08-16 18:46 639225027423459920
41 ms 162.159.1.33
95 2026-08-16 18:46 639225027423459920
41 ms 162.159.8.55
94 2026-08-16 18:30 639225017891613027
2024 ms 162.159.8.55
93 2026-08-16 18:30 639225017891613027
2024 ms 162.159.1.33
92 2026-08-16 17:38 639224986298183527
39 ms 162.159.8.55
91 2026-08-16 17:38 639224986298183527
39 ms 162.159.1.33
90 2026-08-16 17:22 639224976567107023
14 ms 162.159.1.33
89 2026-08-16 17:22 639224976567107023
14 ms 162.159.8.55
88 2026-08-16 17:05 639224966709723386
27 ms 162.159.1.33
87 2026-08-16 17:05 639224966709723386
27 ms 162.159.8.55
86 2026-08-16 16:49 639224957175756942
30 ms 162.159.1.33
85 2026-08-16 16:49 639224957175756942
30 ms 162.159.8.55
84 2026-08-16 15:57 639224925782379869
27 ms 162.159.1.33
83 2026-08-16 15:57 639224925782379869
27 ms 162.159.8.55
82 2026-08-16 15:41 639224916429532459
2021 ms 162.159.1.33
81 2026-08-16 15:41 639224916429532459
2021 ms 162.159.8.55
80 2026-08-16 15:25 639224906878325623
6 ms 162.159.1.33
79 2026-08-16 15:25 639224906878325623
6 ms 162.159.8.55
78 2026-08-16 15:09 639224897258974385
5 ms 162.159.1.33
77 2026-08-16 15:09 639224897258974385
5 ms 162.159.8.55
76 2026-08-16 14:17 639224866169532828
34 ms 162.159.1.33
75 2026-08-16 14:17 639224866169532828
34 ms 162.159.8.55
74 2026-08-16 14:01 639224856561831915
21 ms 162.159.8.55
73 2026-08-16 14:01 639224856561831915
21 ms 162.159.1.33
72 2026-08-16 13:45 639224846830897794
19 ms 162.159.1.33
71 2026-08-16 13:45 639224846830897794
19 ms 162.159.8.55
70 2026-08-16 13:29 639224836975863283
9 ms 162.159.1.33
69 2026-08-16 13:29 639224836975863283
9 ms 162.159.8.55
68 2026-08-16 12:36 639224804985340946
5 ms 162.159.1.33
67 2026-08-16 12:36 639224804985340946
5 ms 162.159.8.55
66 2026-08-16 12:20 639224795567782333
2044 ms 162.159.1.33
65 2026-08-16 12:20 639224795567782333
2044 ms 162.159.8.55
64 2026-08-16 12:04 639224785914225250
8 ms 162.159.1.33
63 2026-08-16 12:04 639224785914225250
8 ms 162.159.8.55
62 2026-08-16 11:48 639224776383854998
4 ms 162.159.1.33
61 2026-08-16 11:48 639224776383854998
4 ms 162.159.8.55
60 2026-08-16 10:54 639224744252113993
13 ms 162.159.1.33
59 2026-08-16 10:54 639224744252113993
13 ms 162.159.8.55
58 2026-08-16 10:38 639224734238905542
43 ms 162.159.1.33
57 2026-08-16 10:38 639224734238905542
43 ms 162.159.8.55
56 2026-08-16 10:21 639224724335031221
23 ms 162.159.1.33
55 2026-08-16 10:21 639224724335031221
23 ms 162.159.8.55
54 2026-08-16 10:05 639224714475244430
15 ms 162.159.1.33
53 2026-08-16 10:05 639224714475244430
15 ms 162.159.8.55
52 2026-08-16 09:09 639224681063874153
6 ms 162.159.1.33
51 2026-08-16 09:09 639224681063874153
6 ms 162.159.8.55
50 2026-08-16 08:52 639224671038956665
2007 ms 162.159.1.33
49 2026-08-16 08:52 639224671038956665
2007 ms 162.159.8.55
48 2026-08-16 08:36 639224661079806122
39 ms 162.159.1.33
47 2026-08-16 08:36 639224661079806122
39 ms 162.159.8.55
46 2026-08-16 08:19 639224651169993038
14 ms 162.159.8.55
45 2026-08-16 08:19 639224651169993038
14 ms 162.159.1.33
44 2026-08-16 07:25 639224618882283050
4 ms 162.159.1.33
43 2026-08-16 07:25 639224618882283050
4 ms 162.159.8.55
42 2026-08-16 07:10 639224609519965372
22 ms 162.159.1.33
41 2026-08-16 07:10 639224609519965372
22 ms 162.159.8.55
40 2026-08-16 06:54 639224599969658888
34 ms 162.159.1.33
39 2026-08-16 06:54 639224599969658888
34 ms 162.159.8.55
38 2026-08-16 06:38 639224590360343307
3 ms 162.159.1.33
37 2026-08-16 06:38 639224590360343307
3 ms 162.159.8.55
36 2026-08-16 05:45 639224558901831832
2041 ms 162.159.8.55
35 2026-08-16 05:45 639224558901831832
2041 ms 162.159.1.33
34 2026-08-16 05:30 639224549678210576
19 ms 162.159.1.33
33 2026-08-16 05:30 639224549678210576
19 ms 162.159.8.55
32 2026-08-16 05:15 639224540433420642
25 ms 162.159.1.33
31 2026-08-16 05:15 639224540433420642
25 ms 162.159.8.55
30 2026-08-16 04:59 639224531046032443
24 ms 162.159.8.55
29 2026-08-16 04:59 639224531046032443
24 ms 162.159.1.33
28 2026-08-16 04:07 639224499638024410
3 ms 162.159.1.33
27 2026-08-16 04:07 639224499638024410
3 ms 162.159.8.55
26 2026-08-16 03:51 639224490358783451
32 ms 162.159.1.33
25 2026-08-16 03:51 639224490358783451
32 ms 162.159.8.55
24 2026-08-16 03:36 639224481111410545
32 ms 162.159.8.55
23 2026-08-16 03:36 639224481111410545
32 ms 162.159.1.33
22 2026-08-16 03:20 639224471809153772
2025 ms 162.159.1.33
21 2026-08-16 03:20 639224471809153772
2025 ms 162.159.8.55
20 2026-08-16 02:27 639224440124457324
2024 ms 162.159.8.55
19 2026-08-16 02:27 639224440124457324
2024 ms 162.159.1.33
18 2026-08-16 02:12 639224430921105721
27 ms 162.159.1.33
17 2026-08-16 02:12 639224430921105721
27 ms 162.159.8.55
16 2026-08-16 01:56 639224421455433103
84 ms 162.159.8.55
15 2026-08-16 01:56 639224421455433103
84 ms 162.159.1.33
14 2026-08-16 01:40 639224412089740331
36 ms 162.159.1.33
13 2026-08-16 01:40 639224412089740331
36 ms 162.159.8.55
12 2026-08-16 01:26 639224403168392868
28 ms 162.159.1.33
11 2026-08-16 01:26 639224403168392868
28 ms 162.159.8.55
10 2026-08-16 01:10 639224393856251387
115 ms 162.159.1.33
9 2026-08-16 01:10 639224393856251387
115 ms 162.159.8.55
8 2026-08-16 00:55 639224384677141438
50 ms 162.159.1.33
7 2026-08-16 00:55 639224384677141438
50 ms 162.159.8.55
6 2026-08-16 00:40 639224375597986398
92 ms 162.159.1.33
5 2026-08-16 00:40 639224375597986398
92 ms 162.159.8.55
4 2026-08-16 00:24 639224366430296466
2017 ms 162.159.8.55
3 2026-08-16 00:24 639224366430296466
2017 ms 162.159.1.33
2 2026-08-16 00:09 639224357218176789
2033 ms 162.159.8.55
1 2026-08-16 00:09 639224357218176789
2033 ms 162.159.1.33