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 2026-08-13. For this date, NameServerHistory found 144 DNS check records, 144 successful responses, 0 failed responses, and 226 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

144

Historical checks stored for this nameserver on selected date

Average Latency

226 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-13 23:51

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

144

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 2026-08-13 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
144 2026-08-13 23:51 639222618462620588
14 ms 162.159.8.55
143 2026-08-13 23:51 639222618462620588
14 ms 162.159.1.33
142 2026-08-13 23:35 639222608688333012
68 ms 162.159.1.33
141 2026-08-13 23:35 639222608688333012
68 ms 162.159.8.55
140 2026-08-13 23:18 639222598741756356
3 ms 162.159.1.33
139 2026-08-13 23:18 639222598741756356
3 ms 162.159.8.55
138 2026-08-13 23:01 639222588615244093
28 ms 162.159.1.33
137 2026-08-13 23:01 639222588615244093
28 ms 162.159.8.55
136 2026-08-13 22:08 639222556495289724
68 ms 162.159.1.33
135 2026-08-13 22:08 639222556495289724
68 ms 162.159.8.55
134 2026-08-13 21:51 639222546477917698
27 ms 162.159.1.33
133 2026-08-13 21:51 639222546477917698
27 ms 162.159.8.55
132 2026-08-13 21:35 639222536257653790
10 ms 162.159.1.33
131 2026-08-13 21:35 639222536257653790
10 ms 162.159.8.55
130 2026-08-13 21:17 639222525833084485
29 ms 162.159.1.33
129 2026-08-13 21:17 639222525833084485
29 ms 162.159.8.55
128 2026-08-13 21:00 639222515446085004
39 ms 162.159.1.33
127 2026-08-13 21:00 639222515446085004
39 ms 162.159.8.55
126 2026-08-13 20:43 639222505166766781
26 ms 162.159.1.33
125 2026-08-13 20:43 639222505166766781
26 ms 162.159.8.55
124 2026-08-13 20:26 639222494930541001
29 ms 162.159.1.33
123 2026-08-13 20:26 639222494930541001
29 ms 162.159.8.55
122 2026-08-13 20:08 639222484469216890
11 ms 162.159.1.33
121 2026-08-13 20:08 639222484469216890
11 ms 162.159.8.55
120 2026-08-13 19:51 639222474270039940
8 ms 162.159.8.55
119 2026-08-13 19:51 639222474270039940
8 ms 162.159.1.33
118 2026-08-13 19:34 639222464005587385
8 ms 162.159.1.33
117 2026-08-13 19:34 639222464005587385
8 ms 162.159.8.55
116 2026-08-13 19:17 639222453485975041
13 ms 162.159.1.33
115 2026-08-13 19:17 639222453485975041
13 ms 162.159.8.55
114 2026-08-13 18:59 639222442984828770
4 ms 162.159.1.33
113 2026-08-13 18:59 639222442984828770
4 ms 162.159.8.55
112 2026-08-13 18:04 639222410191353397
40 ms 162.159.1.33
111 2026-08-13 18:04 639222410191353397
40 ms 162.159.8.55
110 2026-08-13 17:47 639222399952628376
634 ms 162.159.8.55
109 2026-08-13 17:47 639222399952628376
634 ms 162.159.1.33
108 2026-08-13 17:30 639222389608608647
5 ms 162.159.1.33
107 2026-08-13 17:30 639222389608608647
5 ms 162.159.8.55
106 2026-08-13 17:13 639222379604012481
2024 ms 162.159.1.33
105 2026-08-13 17:13 639222379604012481
2024 ms 162.159.8.55
104 2026-08-13 16:56 639222369372672858
4 ms 162.159.1.33
103 2026-08-13 16:56 639222369372672858
4 ms 162.159.8.55
102 2026-08-13 16:39 639222359096909298
34 ms 162.159.8.55
101 2026-08-13 16:39 639222359096909298
34 ms 162.159.1.33
100 2026-08-13 16:22 639222348814301655
17 ms 162.159.1.33
99 2026-08-13 16:22 639222348814301655
17 ms 162.159.8.55
98 2026-08-13 16:05 639222338608331104
74 ms 162.159.8.55
97 2026-08-13 16:05 639222338608331104
74 ms 162.159.1.33
96 2026-08-13 15:48 639222328204609760
35 ms 162.159.1.33
95 2026-08-13 15:48 639222328204609760
35 ms 162.159.8.55
94 2026-08-13 15:31 639222317859759909
31 ms 162.159.1.33
93 2026-08-13 15:31 639222317859759909
31 ms 162.159.8.55
92 2026-08-13 15:13 639222307560137918
30 ms 162.159.1.33
91 2026-08-13 15:13 639222307560137918
30 ms 162.159.8.55
90 2026-08-13 14:56 639222297274357149
18 ms 162.159.8.55
89 2026-08-13 14:56 639222297274357149
18 ms 162.159.1.33
88 2026-08-13 14:02 639222265004477827
35 ms 162.159.1.33
87 2026-08-13 14:02 639222265004477827
35 ms 162.159.8.55
86 2026-08-13 13:46 639222255176583683
4 ms 162.159.1.33
85 2026-08-13 13:46 639222255176583683
4 ms 162.159.8.55
84 2026-08-13 13:30 639222245340146131
5 ms 162.159.1.33
83 2026-08-13 13:30 639222245340146131
5 ms 162.159.8.55
82 2026-08-13 13:14 639222235662219956
10 ms 162.159.1.33
81 2026-08-13 13:14 639222235662219956
10 ms 162.159.8.55
80 2026-08-13 12:57 639222225817223284
22 ms 162.159.8.55
79 2026-08-13 12:57 639222225817223284
22 ms 162.159.1.33
78 2026-08-13 12:41 639222216341869648
11 ms 162.159.1.33
77 2026-08-13 12:41 639222216341869648
11 ms 162.159.8.55
76 2026-08-13 12:26 639222206848442189
8 ms 162.159.1.33
75 2026-08-13 12:26 639222206848442189
8 ms 162.159.8.55
74 2026-08-13 12:10 639222197538963225
27 ms 162.159.1.33
73 2026-08-13 12:10 639222197538963225
27 ms 162.159.8.55
72 2026-08-13 11:54 639222188113685569
7 ms 162.159.1.33
71 2026-08-13 11:54 639222188113685569
7 ms 162.159.8.55
70 2026-08-13 11:39 639222178880138458
11 ms 162.159.1.33
69 2026-08-13 11:39 639222178880138458
11 ms 162.159.8.55
68 2026-08-13 11:23 639222169343013317
4 ms 162.159.1.33
67 2026-08-13 11:23 639222169343013317
4 ms 162.159.8.55
66 2026-08-13 11:07 639222159910600596
2022 ms 162.159.8.55
65 2026-08-13 11:07 639222159910600596
2022 ms 162.159.1.33
64 2026-08-13 10:15 639222128676274866
9 ms 162.159.1.33
63 2026-08-13 10:15 639222128676274866
9 ms 162.159.8.55
62 2026-08-13 09:59 639222119169781983
18 ms 162.159.1.33
61 2026-08-13 09:59 639222119169781983
18 ms 162.159.8.55
60 2026-08-13 09:44 639222109996148889
2011 ms 162.159.8.55
59 2026-08-13 09:44 639222109996148889
2011 ms 162.159.1.33
58 2026-08-13 09:29 639222100791323799
39 ms 162.159.1.33
57 2026-08-13 09:29 639222100791323799
39 ms 162.159.8.55
56 2026-08-13 09:13 639222091647893142
33 ms 162.159.8.55
55 2026-08-13 09:13 639222091647893142
33 ms 162.159.1.33
54 2026-08-13 08:58 639222082524717649
8 ms 162.159.8.55
53 2026-08-13 08:58 639222082524717649
8 ms 162.159.1.33
52 2026-08-13 08:43 639222073378630456
19 ms 162.159.1.33
51 2026-08-13 08:43 639222073378630456
19 ms 162.159.8.55
50 2026-08-13 08:28 639222064537306701
2016 ms 162.159.1.33
49 2026-08-13 08:28 639222064537306701
2016 ms 162.159.8.55
48 2026-08-13 08:13 639222055409471864
4 ms 162.159.1.33
47 2026-08-13 08:13 639222055409471864
4 ms 162.159.8.55
46 2026-08-13 07:57 639222046117152411
7 ms 162.159.1.33
45 2026-08-13 07:57 639222046117152411
7 ms 162.159.8.55
44 2026-08-13 07:42 639222036915107067
5 ms 162.159.1.33
43 2026-08-13 07:42 639222036915107067
5 ms 162.159.8.55
42 2026-08-13 07:27 639222027654889141
2020 ms 162.159.8.55
41 2026-08-13 07:27 639222027654889141
2020 ms 162.159.1.33
40 2026-08-13 06:35 639221996824612035
24 ms 162.159.1.33
39 2026-08-13 06:35 639221996824612035
24 ms 162.159.8.55
38 2026-08-13 06:20 639221987863418113
60 ms 162.159.1.33
37 2026-08-13 06:20 639221987863418113
60 ms 162.159.8.55
36 2026-08-13 06:06 639221979006823112
60 ms 162.159.1.33
35 2026-08-13 06:06 639221979006823112
60 ms 162.159.8.55
34 2026-08-13 05:51 639221970068466615
4 ms 162.159.1.33
33 2026-08-13 05:51 639221970068466615
4 ms 162.159.8.55
32 2026-08-13 05:36 639221961001585139
17 ms 162.159.1.33
31 2026-08-13 05:36 639221961001585139
17 ms 162.159.8.55
30 2026-08-13 05:21 639221952104046397
29 ms 162.159.1.33
29 2026-08-13 05:21 639221952104046397
29 ms 162.159.8.55
28 2026-08-13 05:06 639221943247694484
32 ms 162.159.8.55
27 2026-08-13 05:06 639221943247694484
32 ms 162.159.1.33
26 2026-08-13 04:52 639221934603388241
2033 ms 162.159.1.33
25 2026-08-13 04:52 639221934603388241
2033 ms 162.159.8.55
24 2026-08-13 04:37 639221925729273358
8 ms 162.159.1.33
23 2026-08-13 04:37 639221925729273358
8 ms 162.159.8.55
22 2026-08-13 04:22 639221916777813401
3 ms 162.159.1.33
21 2026-08-13 04:22 639221916777813401
3 ms 162.159.8.55
20 2026-08-13 04:07 639221907816913910
24 ms 162.159.1.33
19 2026-08-13 04:07 639221907816913910
24 ms 162.159.8.55
18 2026-08-13 03:52 639221898639694322
39 ms 162.159.1.33
17 2026-08-13 03:52 639221898639694322
39 ms 162.159.8.55
16 2026-08-13 03:01 639221868257567489
13 ms 162.159.1.33
15 2026-08-13 03:01 639221868257567489
13 ms 162.159.8.55
14 2026-08-13 02:46 639221859270235608
44 ms 162.159.8.55
13 2026-08-13 02:46 639221859270235608
44 ms 162.159.1.33
12 2026-08-13 02:31 639221850184464515
21 ms 162.159.8.55
11 2026-08-13 02:31 639221850184464515
21 ms 162.159.1.33
10 2026-08-13 02:16 639221841141973425
27 ms 162.159.1.33
9 2026-08-13 02:16 639221841141973425
27 ms 162.159.8.55
8 2026-08-13 01:25 639221810548753083
5 ms 162.159.1.33
7 2026-08-13 01:25 639221810548753083
5 ms 162.159.8.55
6 2026-08-13 01:10 639221801656796262
40 ms 162.159.1.33
5 2026-08-13 01:10 639221801656796262
40 ms 162.159.8.55
4 2026-08-13 00:55 639221792658715334
50 ms 162.159.1.33
3 2026-08-13 00:55 639221792658715334
50 ms 162.159.8.55
2 2026-08-13 00:40 639221783571379176
2033 ms 162.159.1.33
1 2026-08-13 00:40 639221783571379176
2033 ms 162.159.8.55