DNS response history for sullivan.ns.cloudflare.com

sullivan.ns.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 2026-08-29. For this date, NameServerHistory found 195 DNS check records, 195 successful responses, 0 failed responses, and 236 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 sullivan.ns.cloudflare.com.
Records on Selected Date

195

Historical checks stored for this nameserver on selected date

Average Latency

236 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-29 22:24

All timestamps shown in UTC

Latest Resolved IP on Selected Date

108.162.195.161

Most recently resolved hosting IP on selected date

Successful Responses

195

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 sullivan.ns.cloudflare.com

Showing DNS history for 2026-08-29 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
195 2026-08-29 22:24 639236388335394435
20 ms 108.162.195.161
194 2026-08-29 22:24 639236388335394435
20 ms 162.159.44.161
193 2026-08-29 22:24 639236388335394435
20 ms 172.64.35.161
192 2026-08-29 21:30 639236356238021142
9 ms 108.162.195.161
191 2026-08-29 21:30 639236356238021142
9 ms 172.64.35.161
190 2026-08-29 21:30 639236356238021142
9 ms 162.159.44.161
189 2026-08-29 21:13 639236346147662482
9 ms 172.64.35.161
188 2026-08-29 21:13 639236346147662482
9 ms 108.162.195.161
187 2026-08-29 21:13 639236346147662482
9 ms 162.159.44.161
186 2026-08-29 20:56 639236336073303987
53 ms 172.64.35.161
185 2026-08-29 20:56 639236336073303987
53 ms 162.159.44.161
184 2026-08-29 20:56 639236336073303987
53 ms 108.162.195.161
183 2026-08-29 20:39 639236325803271480
9 ms 108.162.195.161
182 2026-08-29 20:39 639236325803271480
9 ms 162.159.44.161
181 2026-08-29 20:39 639236325803271480
9 ms 172.64.35.161
180 2026-08-29 20:23 639236315636203732
37 ms 108.162.195.161
179 2026-08-29 20:23 639236315636203732
37 ms 162.159.44.161
178 2026-08-29 20:23 639236315636203732
37 ms 172.64.35.161
177 2026-08-29 20:06 639236305430277951
2008 ms 172.64.35.161
176 2026-08-29 20:06 639236305430277951
2008 ms 108.162.195.161
175 2026-08-29 20:06 639236305430277951
2008 ms 162.159.44.161
174 2026-08-29 19:49 639236295286597133
22 ms 172.64.35.161
173 2026-08-29 19:49 639236295286597133
22 ms 108.162.195.161
172 2026-08-29 19:49 639236295286597133
22 ms 162.159.44.161
171 2026-08-29 19:32 639236285137083691
2014 ms 108.162.195.161
170 2026-08-29 19:32 639236285137083691
2014 ms 172.64.35.161
169 2026-08-29 19:32 639236285137083691
2014 ms 162.159.44.161
168 2026-08-29 19:15 639236274938699727
32 ms 172.64.35.161
167 2026-08-29 19:15 639236274938699727
32 ms 162.159.44.161
166 2026-08-29 19:15 639236274938699727
32 ms 108.162.195.161
165 2026-08-29 18:57 639236264595544117
13 ms 172.64.35.161
164 2026-08-29 18:57 639236264595544117
13 ms 162.159.44.161
163 2026-08-29 18:57 639236264595544117
13 ms 108.162.195.161
162 2026-08-29 18:40 639236254203764064
28 ms 108.162.195.161
161 2026-08-29 18:40 639236254203764064
28 ms 162.159.44.161
160 2026-08-29 18:40 639236254203764064
28 ms 172.64.35.161
159 2026-08-29 18:23 639236243919128798
2034 ms 162.159.44.161
158 2026-08-29 18:23 639236243919128798
2034 ms 108.162.195.161
157 2026-08-29 18:23 639236243919128798
2034 ms 172.64.35.161
156 2026-08-29 17:29 639236211708980066
2039 ms 162.159.44.161
155 2026-08-29 17:29 639236211708980066
2039 ms 108.162.195.161
154 2026-08-29 17:29 639236211708980066
2039 ms 172.64.35.161
153 2026-08-29 17:13 639236201724764228
24 ms 108.162.195.161
152 2026-08-29 17:13 639236201724764228
24 ms 162.159.44.161
151 2026-08-29 17:13 639236201724764228
24 ms 172.64.35.161
150 2026-08-29 16:56 639236191714376906
10 ms 172.64.35.161
149 2026-08-29 16:56 639236191714376906
10 ms 108.162.195.161
148 2026-08-29 16:56 639236191714376906
10 ms 162.159.44.161
147 2026-08-29 16:39 639236181773042179
3 ms 108.162.195.161
146 2026-08-29 16:39 639236181773042179
3 ms 162.159.44.161
145 2026-08-29 16:39 639236181773042179
3 ms 172.64.35.161
144 2026-08-29 16:23 639236171632735061
2018 ms 172.64.35.161
143 2026-08-29 16:23 639236171632735061
2018 ms 162.159.44.161
142 2026-08-29 16:23 639236171632735061
2018 ms 108.162.195.161
141 2026-08-29 16:05 639236161347015414
73 ms 172.64.35.161
140 2026-08-29 16:05 639236161347015414
73 ms 108.162.195.161
139 2026-08-29 16:05 639236161347015414
73 ms 162.159.44.161
138 2026-08-29 15:48 639236151200362098
5 ms 108.162.195.161
137 2026-08-29 15:48 639236151200362098
5 ms 162.159.44.161
136 2026-08-29 15:48 639236151200362098
5 ms 172.64.35.161
135 2026-08-29 15:32 639236141026805328
6 ms 108.162.195.161
134 2026-08-29 15:32 639236141026805328
6 ms 162.159.44.161
133 2026-08-29 15:32 639236141026805328
6 ms 172.64.35.161
132 2026-08-29 15:15 639236131100930722
5 ms 108.162.195.161
131 2026-08-29 15:15 639236131100930722
5 ms 162.159.44.161
130 2026-08-29 15:15 639236131100930722
5 ms 172.64.35.161
129 2026-08-29 14:58 639236120950030411
24 ms 108.162.195.161
128 2026-08-29 14:58 639236120950030411
24 ms 162.159.44.161
127 2026-08-29 14:58 639236120950030411
24 ms 172.64.35.161
126 2026-08-29 14:41 639236110532007205
4 ms 108.162.195.161
125 2026-08-29 14:41 639236110532007205
4 ms 162.159.44.161
124 2026-08-29 14:41 639236110532007205
4 ms 172.64.35.161
123 2026-08-29 14:23 639236100176958860
9 ms 108.162.195.161
122 2026-08-29 14:23 639236100176958860
9 ms 162.159.44.161
121 2026-08-29 14:23 639236100176958860
9 ms 172.64.35.161
120 2026-08-29 13:31 639236068470247956
33 ms 108.162.195.161
119 2026-08-29 13:31 639236068470247956
33 ms 162.159.44.161
118 2026-08-29 13:31 639236068470247956
33 ms 172.64.35.161
117 2026-08-29 13:14 639236058468679452
8 ms 108.162.195.161
116 2026-08-29 13:14 639236058468679452
8 ms 162.159.44.161
115 2026-08-29 13:14 639236058468679452
8 ms 172.64.35.161
114 2026-08-29 12:57 639236048317337090
28 ms 162.159.44.161
113 2026-08-29 12:57 639236048317337090
28 ms 108.162.195.161
112 2026-08-29 12:57 639236048317337090
28 ms 172.64.35.161
111 2026-08-29 12:40 639236038221169202
5 ms 108.162.195.161
110 2026-08-29 12:40 639236038221169202
5 ms 162.159.44.161
109 2026-08-29 12:40 639236038221169202
5 ms 172.64.35.161
108 2026-08-29 12:23 639236028175589918
12 ms 162.159.44.161
107 2026-08-29 12:23 639236028175589918
12 ms 172.64.35.161
106 2026-08-29 12:23 639236028175589918
12 ms 108.162.195.161
105 2026-08-29 12:06 639236017965421028
16 ms 162.159.44.161
104 2026-08-29 12:06 639236017965421028
16 ms 172.64.35.161
103 2026-08-29 12:06 639236017965421028
16 ms 108.162.195.161
102 2026-08-29 11:49 639236007792625266
9 ms 172.64.35.161
101 2026-08-29 11:49 639236007792625266
9 ms 162.159.44.161
100 2026-08-29 11:49 639236007792625266
9 ms 108.162.195.161
99 2026-08-29 11:32 639235997602806960
32 ms 162.159.44.161
98 2026-08-29 11:32 639235997602806960
32 ms 108.162.195.161
97 2026-08-29 11:32 639235997602806960
32 ms 172.64.35.161
96 2026-08-29 11:16 639235987487833458
20 ms 108.162.195.161
95 2026-08-29 11:16 639235987487833458
20 ms 162.159.44.161
94 2026-08-29 11:16 639235987487833458
20 ms 172.64.35.161
93 2026-08-29 10:59 639235977211002296
9 ms 162.159.44.161
92 2026-08-29 10:59 639235977211002296
9 ms 172.64.35.161
91 2026-08-29 10:59 639235977211002296
9 ms 108.162.195.161
90 2026-08-29 10:41 639235966864596836
41 ms 108.162.195.161
89 2026-08-29 10:41 639235966864596836
41 ms 162.159.44.161
88 2026-08-29 10:41 639235966864596836
41 ms 172.64.35.161
87 2026-08-29 10:24 639235956590882003
2051 ms 108.162.195.161
86 2026-08-29 10:24 639235956590882003
2051 ms 172.64.35.161
85 2026-08-29 10:24 639235956590882003
2051 ms 162.159.44.161
84 2026-08-29 09:30 639235924465736791
75 ms 108.162.195.161
83 2026-08-29 09:30 639235924465736791
75 ms 162.159.44.161
82 2026-08-29 09:30 639235924465736791
75 ms 172.64.35.161
81 2026-08-29 09:14 639235914430611197
6 ms 108.162.195.161
80 2026-08-29 09:14 639235914430611197
6 ms 162.159.44.161
79 2026-08-29 09:14 639235914430611197
6 ms 172.64.35.161
78 2026-08-29 08:57 639235904343784853
2025 ms 162.159.44.161
77 2026-08-29 08:57 639235904343784853
2025 ms 108.162.195.161
76 2026-08-29 08:57 639235904343784853
2025 ms 172.64.35.161
75 2026-08-29 08:40 639235894201078068
46 ms 162.159.44.161
74 2026-08-29 08:40 639235894201078068
46 ms 108.162.195.161
73 2026-08-29 08:40 639235894201078068
46 ms 172.64.35.161
72 2026-08-29 08:23 639235884233447452
3 ms 108.162.195.161
71 2026-08-29 08:23 639235884233447452
3 ms 162.159.44.161
70 2026-08-29 08:23 639235884233447452
3 ms 172.64.35.161
69 2026-08-29 08:07 639235874142207309
45 ms 108.162.195.161
68 2026-08-29 08:07 639235874142207309
45 ms 162.159.44.161
67 2026-08-29 08:07 639235874142207309
45 ms 172.64.35.161
66 2026-08-29 07:50 639235863974652466
6 ms 108.162.195.161
65 2026-08-29 07:50 639235863974652466
6 ms 162.159.44.161
64 2026-08-29 07:50 639235863974652466
6 ms 172.64.35.161
63 2026-08-29 07:33 639235853716243436
45 ms 172.64.35.161
62 2026-08-29 07:33 639235853716243436
45 ms 162.159.44.161
61 2026-08-29 07:33 639235853716243436
45 ms 108.162.195.161
60 2026-08-29 07:16 639235843614494759
9 ms 162.159.44.161
59 2026-08-29 07:16 639235843614494759
9 ms 172.64.35.161
58 2026-08-29 07:16 639235843614494759
9 ms 108.162.195.161
57 2026-08-29 06:59 639235833401459551
28 ms 108.162.195.161
56 2026-08-29 06:59 639235833401459551
28 ms 162.159.44.161
55 2026-08-29 06:59 639235833401459551
28 ms 172.64.35.161
54 2026-08-29 06:42 639235823220464528
8 ms 108.162.195.161
53 2026-08-29 06:42 639235823220464528
8 ms 162.159.44.161
52 2026-08-29 06:42 639235823220464528
8 ms 172.64.35.161
51 2026-08-29 06:25 639235812997510905
14 ms 108.162.195.161
50 2026-08-29 06:25 639235812997510905
14 ms 162.159.44.161
49 2026-08-29 06:25 639235812997510905
14 ms 172.64.35.161
48 2026-08-29 05:32 639235781101962521
7 ms 172.64.35.161
47 2026-08-29 05:32 639235781101962521
7 ms 108.162.195.161
46 2026-08-29 05:32 639235781101962521
7 ms 162.159.44.161
45 2026-08-29 05:15 639235771207673260
43 ms 108.162.195.161
44 2026-08-29 05:15 639235771207673260
43 ms 162.159.44.161
43 2026-08-29 05:15 639235771207673260
43 ms 172.64.35.161
42 2026-08-29 04:58 639235761047429642
13 ms 172.64.35.161
41 2026-08-29 04:58 639235761047429642
13 ms 108.162.195.161
40 2026-08-29 04:58 639235761047429642
13 ms 162.159.44.161
39 2026-08-29 04:41 639235750964347246
5 ms 108.162.195.161
38 2026-08-29 04:41 639235750964347246
5 ms 162.159.44.161
37 2026-08-29 04:41 639235750964347246
5 ms 172.64.35.161
36 2026-08-29 04:25 639235740923490874
2 ms 108.162.195.161
35 2026-08-29 04:25 639235740923490874
2 ms 162.159.44.161
34 2026-08-29 04:25 639235740923490874
2 ms 172.64.35.161
33 2026-08-29 04:08 639235730842894399
24 ms 108.162.195.161
32 2026-08-29 04:08 639235730842894399
24 ms 162.159.44.161
31 2026-08-29 04:08 639235730842894399
24 ms 172.64.35.161
30 2026-08-29 03:51 639235720760084717
33 ms 108.162.195.161
29 2026-08-29 03:51 639235720760084717
33 ms 162.159.44.161
28 2026-08-29 03:51 639235720760084717
33 ms 172.64.35.161
27 2026-08-29 03:34 639235710843666743
46 ms 108.162.195.161
26 2026-08-29 03:34 639235710843666743
46 ms 162.159.44.161
25 2026-08-29 03:34 639235710843666743
46 ms 172.64.35.161
24 2026-08-29 03:18 639235700733510561
5 ms 108.162.195.161
23 2026-08-29 03:18 639235700733510561
5 ms 162.159.44.161
22 2026-08-29 03:18 639235700733510561
5 ms 172.64.35.161
21 2026-08-29 03:00 639235690509906192
47 ms 108.162.195.161
20 2026-08-29 03:00 639235690509906192
47 ms 162.159.44.161
19 2026-08-29 03:00 639235690509906192
47 ms 172.64.35.161
18 2026-08-29 02:43 639235680156673501
9 ms 172.64.35.161
17 2026-08-29 02:43 639235680156673501
9 ms 108.162.195.161
16 2026-08-29 02:43 639235680156673501
9 ms 162.159.44.161
15 2026-08-29 02:26 639235669720606443
8 ms 108.162.195.161
14 2026-08-29 02:26 639235669720606443
8 ms 162.159.44.161
13 2026-08-29 02:26 639235669720606443
8 ms 172.64.35.161
12 2026-08-29 01:32 639235637451417084
4 ms 108.162.195.161
11 2026-08-29 01:32 639235637451417084
4 ms 162.159.44.161
10 2026-08-29 01:32 639235637451417084
4 ms 172.64.35.161
9 2026-08-29 01:15 639235627307383453
5 ms 108.162.195.161
8 2026-08-29 01:15 639235627307383453
5 ms 162.159.44.161
7 2026-08-29 01:15 639235627307383453
5 ms 172.64.35.161
6 2026-08-29 00:58 639235616906386856
14 ms 162.159.44.161
5 2026-08-29 00:58 639235616906386856
14 ms 172.64.35.161
4 2026-08-29 00:58 639235616906386856
14 ms 108.162.195.161
3 2026-08-29 00:41 639235606582912691
6 ms 108.162.195.161
2 2026-08-29 00:41 639235606582912691
6 ms 162.159.44.161
1 2026-08-29 00:41 639235606582912691
6 ms 172.64.35.161