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 2026-08-18. For this date, NameServerHistory found 150 DNS check records, 150 successful responses, 0 failed responses, and 129 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

150

Historical checks stored for this nameserver on selected date

Average Latency

129 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-18 23:46

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

150

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 2026-08-18 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
150 2026-08-18 23:46 639226935204800669
13 ms 162.159.1.33
149 2026-08-18 23:46 639226935204800669
13 ms 162.159.8.55
148 2026-08-18 23:30 639226925298919497
2065 ms 162.159.1.33
147 2026-08-18 23:30 639226925298919497
2065 ms 162.159.8.55
146 2026-08-18 23:13 639226915487885053
32 ms 162.159.1.33
145 2026-08-18 23:13 639226915487885053
32 ms 162.159.8.55
144 2026-08-18 22:57 639226905465760034
36 ms 162.159.1.33
143 2026-08-18 22:57 639226905465760034
36 ms 162.159.8.55
142 2026-08-18 22:40 639226895378104692
11 ms 162.159.8.55
141 2026-08-18 22:40 639226895378104692
11 ms 162.159.1.33
140 2026-08-18 21:46 639226863374232622
35 ms 162.159.1.33
139 2026-08-18 21:46 639226863374232622
35 ms 162.159.8.55
138 2026-08-18 21:30 639226853698516058
74 ms 162.159.1.33
137 2026-08-18 21:30 639226853698516058
74 ms 162.159.8.55
136 2026-08-18 21:14 639226843797360601
9 ms 162.159.1.33
135 2026-08-18 21:14 639226843797360601
9 ms 162.159.8.55
134 2026-08-18 20:57 639226834046588155
4 ms 162.159.1.33
133 2026-08-18 20:57 639226834046588155
4 ms 162.159.8.55
132 2026-08-18 20:41 639226824234488533
52 ms 162.159.8.55
131 2026-08-18 20:41 639226824234488533
52 ms 162.159.1.33
130 2026-08-18 20:25 639226814549928621
4 ms 162.159.1.33
129 2026-08-18 20:25 639226814549928621
4 ms 162.159.8.55
128 2026-08-18 20:09 639226804721432353
25 ms 162.159.1.33
127 2026-08-18 20:09 639226804721432353
25 ms 162.159.8.55
126 2026-08-18 19:52 639226795048828184
32 ms 162.159.1.33
125 2026-08-18 19:52 639226795048828184
32 ms 162.159.8.55
124 2026-08-18 19:36 639226785202482420
5 ms 162.159.1.33
123 2026-08-18 19:36 639226785202482420
5 ms 162.159.8.55
122 2026-08-18 19:20 639226775309362607
37 ms 162.159.1.33
121 2026-08-18 19:20 639226775309362607
37 ms 162.159.8.55
120 2026-08-18 19:03 639226765406586155
4 ms 162.159.1.33
119 2026-08-18 19:03 639226765406586155
4 ms 162.159.8.55
118 2026-08-18 18:47 639226755437790519
39 ms 162.159.8.55
117 2026-08-18 18:47 639226755437790519
39 ms 162.159.1.33
116 2026-08-18 17:54 639226723856194457
10 ms 162.159.8.55
115 2026-08-18 17:54 639226723856194457
10 ms 162.159.1.33
114 2026-08-18 17:37 639226714050583422
5 ms 162.159.1.33
113 2026-08-18 17:37 639226714050583422
5 ms 162.159.8.55
112 2026-08-18 17:21 639226704236499724
9 ms 162.159.8.55
111 2026-08-18 17:21 639226704236499724
9 ms 162.159.1.33
110 2026-08-18 17:04 639226694184520163
19 ms 162.159.1.33
109 2026-08-18 17:04 639226694184520163
19 ms 162.159.8.55
108 2026-08-18 16:48 639226684161203477
46 ms 162.159.1.33
107 2026-08-18 16:48 639226684161203477
46 ms 162.159.8.55
106 2026-08-18 16:31 639226674305430109
35 ms 162.159.1.33
105 2026-08-18 16:31 639226674305430109
35 ms 162.159.8.55
104 2026-08-18 16:15 639226664489607984
39 ms 162.159.1.33
103 2026-08-18 16:15 639226664489607984
39 ms 162.159.8.55
102 2026-08-18 15:58 639226654533111667
8 ms 162.159.1.33
101 2026-08-18 15:58 639226654533111667
8 ms 162.159.8.55
100 2026-08-18 15:42 639226644778594725
5 ms 162.159.1.33
99 2026-08-18 15:42 639226644778594725
5 ms 162.159.8.55
98 2026-08-18 15:26 639226634901553621
11 ms 162.159.8.55
97 2026-08-18 15:26 639226634901553621
11 ms 162.159.1.33
96 2026-08-18 15:09 639226624921864967
9 ms 162.159.1.33
95 2026-08-18 15:09 639226624921864967
9 ms 162.159.8.55
94 2026-08-18 14:52 639226614939419403
26 ms 162.159.8.55
93 2026-08-18 14:52 639226614939419403
26 ms 162.159.1.33
92 2026-08-18 13:59 639226583021074771
34 ms 162.159.1.33
91 2026-08-18 13:59 639226583021074771
34 ms 162.159.8.55
90 2026-08-18 13:43 639226573279933585
33 ms 162.159.1.33
89 2026-08-18 13:43 639226573279933585
33 ms 162.159.8.55
88 2026-08-18 13:27 639226563494036301
9 ms 162.159.1.33
87 2026-08-18 13:27 639226563494036301
9 ms 162.159.8.55
86 2026-08-18 13:10 639226553708216256
18 ms 162.159.1.33
85 2026-08-18 13:10 639226553708216256
18 ms 162.159.8.55
84 2026-08-18 12:54 639226544003734815
8 ms 162.159.8.55
83 2026-08-18 12:54 639226544003734815
8 ms 162.159.1.33
82 2026-08-18 12:38 639226534105733155
3 ms 162.159.1.33
81 2026-08-18 12:38 639226534105733155
3 ms 162.159.8.55
80 2026-08-18 12:21 639226524298118898
5 ms 162.159.1.33
79 2026-08-18 12:21 639226524298118898
5 ms 162.159.8.55
78 2026-08-18 12:05 639226514525195335
15 ms 162.159.1.33
77 2026-08-18 12:05 639226514525195335
15 ms 162.159.8.55
76 2026-08-18 11:49 639226504703635320
38 ms 162.159.1.33
75 2026-08-18 11:49 639226504703635320
38 ms 162.159.8.55
74 2026-08-18 11:32 639226494737271720
72 ms 162.159.8.55
73 2026-08-18 11:32 639226494737271720
72 ms 162.159.1.33
72 2026-08-18 11:16 639226485005027236
60 ms 162.159.8.55
71 2026-08-18 11:16 639226485005027236
60 ms 162.159.1.33
70 2026-08-18 10:59 639226475133236105
4 ms 162.159.1.33
69 2026-08-18 10:59 639226475133236105
4 ms 162.159.8.55
68 2026-08-18 10:06 639226442975077052
2010 ms 162.159.8.55
67 2026-08-18 10:06 639226442975077052
2010 ms 162.159.1.33
66 2026-08-18 09:50 639226433317932039
4 ms 162.159.1.33
65 2026-08-18 09:50 639226433317932039
4 ms 162.159.8.55
64 2026-08-18 09:34 639226423688431096
2037 ms 162.159.8.55
63 2026-08-18 09:34 639226423688431096
2037 ms 162.159.1.33
62 2026-08-18 09:17 639226413998250045
11 ms 162.159.8.55
61 2026-08-18 09:17 639226413998250045
11 ms 162.159.1.33
60 2026-08-18 09:01 639226404284554875
34 ms 162.159.1.33
59 2026-08-18 09:01 639226404284554875
34 ms 162.159.8.55
58 2026-08-18 08:45 639226394637043309
12 ms 162.159.1.33
57 2026-08-18 08:45 639226394637043309
12 ms 162.159.8.55
56 2026-08-18 08:29 639226385052447582
6 ms 162.159.1.33
55 2026-08-18 08:29 639226385052447582
6 ms 162.159.8.55
54 2026-08-18 08:13 639226375506189603
12 ms 162.159.1.33
53 2026-08-18 08:13 639226375506189603
12 ms 162.159.8.55
52 2026-08-18 07:57 639226365690646426
16 ms 162.159.8.55
51 2026-08-18 07:57 639226365690646426
16 ms 162.159.1.33
50 2026-08-18 07:40 639226355771007701
4 ms 162.159.1.33
49 2026-08-18 07:40 639226355771007701
4 ms 162.159.8.55
48 2026-08-18 07:24 639226345946269369
15 ms 162.159.1.33
47 2026-08-18 07:24 639226345946269369
15 ms 162.159.8.55
46 2026-08-18 07:08 639226336241601848
9 ms 162.159.1.33
45 2026-08-18 07:08 639226336241601848
9 ms 162.159.8.55
44 2026-08-18 06:16 639226304950675290
41 ms 162.159.1.33
43 2026-08-18 06:16 639226304950675290
41 ms 162.159.8.55
42 2026-08-18 06:00 639226295324754616
5 ms 162.159.1.33
41 2026-08-18 06:00 639226295324754616
5 ms 162.159.8.55
40 2026-08-18 05:44 639226285824640601
26 ms 162.159.8.55
39 2026-08-18 05:44 639226285824640601
26 ms 162.159.1.33
38 2026-08-18 05:28 639226276321223917
5 ms 162.159.1.33
37 2026-08-18 05:28 639226276321223917
5 ms 162.159.8.55
36 2026-08-18 05:12 639226266800200046
48 ms 162.159.1.33
35 2026-08-18 05:12 639226266800200046
48 ms 162.159.8.55
34 2026-08-18 04:56 639226256958066164
3 ms 162.159.1.33
33 2026-08-18 04:56 639226256958066164
3 ms 162.159.8.55
32 2026-08-18 04:40 639226247432364597
6 ms 162.159.1.33
31 2026-08-18 04:40 639226247432364597
6 ms 162.159.8.55
30 2026-08-18 04:24 639226237703388552
17 ms 162.159.8.55
29 2026-08-18 04:24 639226237703388552
17 ms 162.159.1.33
28 2026-08-18 04:07 639226227937569589
4 ms 162.159.1.33
27 2026-08-18 04:07 639226227937569589
4 ms 162.159.8.55
26 2026-08-18 03:51 639226218052465471
8 ms 162.159.1.33
25 2026-08-18 03:51 639226218052465471
8 ms 162.159.8.55
24 2026-08-18 03:35 639226208429623997
2025 ms 162.159.1.33
23 2026-08-18 03:35 639226208429623997
2025 ms 162.159.8.55
22 2026-08-18 03:19 639226198800675295
37 ms 162.159.1.33
21 2026-08-18 03:19 639226198800675295
37 ms 162.159.8.55
20 2026-08-18 02:27 639226167722042574
38 ms 162.159.1.33
19 2026-08-18 02:27 639226167722042574
38 ms 162.159.8.55
18 2026-08-18 02:11 639226158277924383
36 ms 162.159.1.33
17 2026-08-18 02:11 639226158277924383
36 ms 162.159.8.55
16 2026-08-18 01:55 639226148757810592
4 ms 162.159.1.33
15 2026-08-18 01:55 639226148757810592
4 ms 162.159.8.55
14 2026-08-18 01:40 639226139348611045
3 ms 162.159.1.33
13 2026-08-18 01:40 639226139348611045
3 ms 162.159.8.55
12 2026-08-18 01:24 639226129823462907
9 ms 162.159.1.33
11 2026-08-18 01:24 639226129823462907
9 ms 162.159.8.55
10 2026-08-18 01:08 639226120218260005
74 ms 162.159.1.33
9 2026-08-18 01:08 639226120218260005
74 ms 162.159.8.55
8 2026-08-18 00:52 639226110875503904
46 ms 162.159.8.55
7 2026-08-18 00:52 639226110875503904
46 ms 162.159.1.33
6 2026-08-18 00:36 639226101376311912
3 ms 162.159.1.33
5 2026-08-18 00:36 639226101376311912
3 ms 162.159.8.55
4 2026-08-18 00:21 639226091924943492
46 ms 162.159.1.33
3 2026-08-18 00:21 639226091924943492
46 ms 162.159.8.55
2 2026-08-18 00:04 639226082133158124
56 ms 162.159.1.33
1 2026-08-18 00:04 639226082133158124
56 ms 162.159.8.55