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 2026-08-25. For this date, NameServerHistory found 138 DNS check records, 138 successful responses, 0 failed responses, and 163 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

138

Historical checks stored for this nameserver on selected date

Average Latency

163 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 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

138

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 2026-08-25 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
138 2026-08-25 23:50 639232985300872416
3 ms 162.159.1.33
137 2026-08-25 23:50 639232985300872416
3 ms 162.159.8.55
136 2026-08-25 23:32 639232974980190573
10 ms 162.159.1.33
135 2026-08-25 23:32 639232974980190573
10 ms 162.159.8.55
134 2026-08-25 23:15 639232964577050707
37 ms 162.159.1.33
133 2026-08-25 23:15 639232964577050707
37 ms 162.159.8.55
132 2026-08-25 22:21 639232932163142799
5 ms 162.159.1.33
131 2026-08-25 22:21 639232932163142799
5 ms 162.159.8.55
130 2026-08-25 22:04 639232921673215474
4 ms 162.159.1.33
129 2026-08-25 22:04 639232921673215474
4 ms 162.159.8.55
128 2026-08-25 21:46 639232911234504639
64 ms 162.159.1.33
127 2026-08-25 21:46 639232911234504639
64 ms 162.159.8.55
126 2026-08-25 21:29 639232900747078453
17 ms 162.159.1.33
125 2026-08-25 21:29 639232900747078453
17 ms 162.159.8.55
124 2026-08-25 21:11 639232890389222534
9 ms 162.159.1.33
123 2026-08-25 21:11 639232890389222534
9 ms 162.159.8.55
122 2026-08-25 20:54 639232880143390843
9 ms 162.159.1.33
121 2026-08-25 20:54 639232880143390843
9 ms 162.159.8.55
120 2026-08-25 20:37 639232869755024069
47 ms 162.159.1.33
119 2026-08-25 20:37 639232869755024069
47 ms 162.159.8.55
118 2026-08-25 20:20 639232859355940346
5 ms 162.159.1.33
117 2026-08-25 20:20 639232859355940346
5 ms 162.159.8.55
116 2026-08-25 20:02 639232848992244953
29 ms 162.159.8.55
115 2026-08-25 20:02 639232848992244953
29 ms 162.159.1.33
114 2026-08-25 19:45 639232838596478500
4 ms 162.159.1.33
113 2026-08-25 19:45 639232838596478500
4 ms 162.159.8.55
112 2026-08-25 19:28 639232828175327683
2031 ms 162.159.8.55
111 2026-08-25 19:28 639232828175327683
2031 ms 162.159.1.33
110 2026-08-25 19:10 639232817798330473
12 ms 162.159.1.33
109 2026-08-25 19:10 639232817798330473
12 ms 162.159.8.55
108 2026-08-25 18:16 639232785462407552
8 ms 162.159.8.55
107 2026-08-25 18:16 639232785462407552
8 ms 162.159.1.33
106 2026-08-25 17:59 639232775177487032
6 ms 162.159.1.33
105 2026-08-25 17:59 639232775177487032
6 ms 162.159.8.55
104 2026-08-25 17:42 639232764991087115
12 ms 162.159.1.33
103 2026-08-25 17:42 639232764991087115
12 ms 162.159.8.55
102 2026-08-25 17:25 639232754842971478
22 ms 162.159.1.33
101 2026-08-25 17:25 639232754842971478
22 ms 162.159.8.55
100 2026-08-25 17:08 639232744455159107
43 ms 162.159.1.33
99 2026-08-25 17:08 639232744455159107
43 ms 162.159.8.55
98 2026-08-25 16:51 639232734145178231
20 ms 162.159.8.55
97 2026-08-25 16:51 639232734145178231
20 ms 162.159.1.33
96 2026-08-25 16:34 639232723827874402
9 ms 162.159.1.33
95 2026-08-25 16:34 639232723827874402
9 ms 162.159.8.55
94 2026-08-25 16:17 639232713533011892
2008 ms 162.159.8.55
93 2026-08-25 16:17 639232713533011892
2008 ms 162.159.1.33
92 2026-08-25 15:59 639232703065318207
49 ms 162.159.1.33
91 2026-08-25 15:59 639232703065318207
49 ms 162.159.8.55
90 2026-08-25 15:42 639232692629559470
35 ms 162.159.1.33
89 2026-08-25 15:42 639232692629559470
35 ms 162.159.8.55
88 2026-08-25 15:24 639232682238836475
5 ms 162.159.1.33
87 2026-08-25 15:24 639232682238836475
5 ms 162.159.8.55
86 2026-08-25 15:07 639232671787004306
35 ms 162.159.8.55
85 2026-08-25 15:07 639232671787004306
35 ms 162.159.1.33
84 2026-08-25 14:12 639232638994329666
11 ms 162.159.1.33
83 2026-08-25 14:12 639232638994329666
11 ms 162.159.8.55
82 2026-08-25 13:55 639232628614783237
37 ms 162.159.1.33
81 2026-08-25 13:55 639232628614783237
37 ms 162.159.8.55
80 2026-08-25 13:38 639232618360728578
6 ms 162.159.1.33
79 2026-08-25 13:38 639232618360728578
6 ms 162.159.8.55
78 2026-08-25 13:21 639232608016476376
32 ms 162.159.1.33
77 2026-08-25 13:21 639232608016476376
32 ms 162.159.8.55
76 2026-08-25 13:03 639232597643611557
20 ms 162.159.8.55
75 2026-08-25 13:03 639232597643611557
20 ms 162.159.1.33
74 2026-08-25 12:46 639232587225721862
8 ms 162.159.1.33
73 2026-08-25 12:46 639232587225721862
8 ms 162.159.8.55
72 2026-08-25 12:29 639232576780683689
19 ms 162.159.1.33
71 2026-08-25 12:29 639232576780683689
19 ms 162.159.8.55
70 2026-08-25 12:11 639232566381512620
24 ms 162.159.1.33
69 2026-08-25 12:11 639232566381512620
24 ms 162.159.8.55
68 2026-08-25 11:54 639232556111768563
32 ms 162.159.8.55
67 2026-08-25 11:54 639232556111768563
32 ms 162.159.1.33
66 2026-08-25 11:37 639232545839529039
2014 ms 162.159.8.55
65 2026-08-25 11:37 639232545839529039
2014 ms 162.159.1.33
64 2026-08-25 11:20 639232535349285207
6 ms 162.159.1.33
63 2026-08-25 11:20 639232535349285207
6 ms 162.159.8.55
62 2026-08-25 11:02 639232524938080723
6 ms 162.159.1.33
61 2026-08-25 11:02 639232524938080723
6 ms 162.159.8.55
60 2026-08-25 10:09 639232492740373468
27 ms 162.159.1.33
59 2026-08-25 10:09 639232492740373468
27 ms 162.159.8.55
58 2026-08-25 09:51 639232482235303141
2008 ms 162.159.1.33
57 2026-08-25 09:51 639232482235303141
2008 ms 162.159.8.55
56 2026-08-25 09:34 639232471861770303
2003 ms 162.159.1.33
55 2026-08-25 09:34 639232471861770303
2003 ms 162.159.8.55
54 2026-08-25 09:17 639232461630217327
13 ms 162.159.1.33
53 2026-08-25 09:17 639232461630217327
13 ms 162.159.8.55
52 2026-08-25 09:00 639232451282965990
12 ms 162.159.1.33
51 2026-08-25 09:00 639232451282965990
12 ms 162.159.8.55
50 2026-08-25 08:42 639232440814614938
18 ms 162.159.8.55
49 2026-08-25 08:42 639232440814614938
18 ms 162.159.1.33
48 2026-08-25 08:25 639232430410720425
37 ms 162.159.1.33
47 2026-08-25 08:25 639232430410720425
37 ms 162.159.8.55
46 2026-08-25 08:07 639232420003096185
25 ms 162.159.1.33
45 2026-08-25 08:07 639232420003096185
25 ms 162.159.8.55
44 2026-08-25 07:50 639232409467287444
3 ms 162.159.1.33
43 2026-08-25 07:50 639232409467287444
3 ms 162.159.8.55
42 2026-08-25 07:33 639232399077195997
49 ms 162.159.8.55
41 2026-08-25 07:33 639232399077195997
49 ms 162.159.1.33
40 2026-08-25 07:15 639232388731528337
10 ms 162.159.1.33
39 2026-08-25 07:15 639232388731528337
10 ms 162.159.8.55
38 2026-08-25 06:58 639232378288598612
7 ms 162.159.1.33
37 2026-08-25 06:58 639232378288598612
7 ms 162.159.8.55
36 2026-08-25 06:04 639232346196373643
7 ms 162.159.8.55
35 2026-08-25 06:04 639232346196373643
7 ms 162.159.1.33
34 2026-08-25 05:48 639232336112370741
6 ms 162.159.1.33
33 2026-08-25 05:48 639232336112370741
6 ms 162.159.8.55
32 2026-08-25 05:31 639232326146508970
11 ms 162.159.1.33
31 2026-08-25 05:31 639232326146508970
11 ms 162.159.8.55
30 2026-08-25 05:14 639232316189381720
27 ms 162.159.1.33
29 2026-08-25 05:14 639232316189381720
27 ms 162.159.8.55
28 2026-08-25 04:58 639232306217998913
5 ms 162.159.1.33
27 2026-08-25 04:58 639232306217998913
5 ms 162.159.8.55
26 2026-08-25 04:41 639232296255744174
7 ms 162.159.8.55
25 2026-08-25 04:41 639232296255744174
7 ms 162.159.1.33
24 2026-08-25 04:24 639232286095760789
3 ms 162.159.1.33
23 2026-08-25 04:24 639232286095760789
3 ms 162.159.8.55
22 2026-08-25 04:08 639232276086186273
27 ms 162.159.1.33
21 2026-08-25 04:08 639232276086186273
27 ms 162.159.8.55
20 2026-08-25 03:51 639232265900986425
6 ms 162.159.1.33
19 2026-08-25 03:51 639232265900986425
6 ms 162.159.8.55
18 2026-08-25 03:34 639232255723518075
25 ms 162.159.1.33
17 2026-08-25 03:34 639232255723518075
25 ms 162.159.8.55
16 2026-08-25 03:17 639232245484452890
13 ms 162.159.1.33
15 2026-08-25 03:17 639232245484452890
13 ms 162.159.8.55
14 2026-08-25 02:59 639232235157175331
18 ms 162.159.1.33
13 2026-08-25 02:59 639232235157175331
18 ms 162.159.8.55
12 2026-08-25 02:06 639232203197189095
12 ms 162.159.1.33
11 2026-08-25 02:06 639232203197189095
12 ms 162.159.8.55
10 2026-08-25 01:49 639232192844564298
34 ms 162.159.1.33
9 2026-08-25 01:49 639232192844564298
34 ms 162.159.8.55
8 2026-08-25 01:32 639232182496008942
23 ms 162.159.1.33
7 2026-08-25 01:32 639232182496008942
23 ms 162.159.8.55
6 2026-08-25 01:14 639232172197053132
31 ms 162.159.8.55
5 2026-08-25 01:14 639232172197053132
31 ms 162.159.1.33
4 2026-08-25 00:21 639232140250307418
2 ms 162.159.1.33
3 2026-08-25 00:21 639232140250307418
2 ms 162.159.8.55
2 2026-08-25 00:04 639232129927860324
2 ms 162.159.1.33
1 2026-08-25 00:04 639232129927860324
2 ms 162.159.8.55