DNS response history for ulla.ns.cloudflare.com

ulla.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 2026-08-26. For this date, NameServerHistory found 208 DNS check records, 207 successful responses, 1 failed responses, and 135 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 ulla.ns.cloudflare.com.
Records on Selected Date

208

Historical checks stored for this nameserver on selected date

Average Latency

135 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 23:45

All timestamps shown in UTC

Latest Resolved IP on Selected Date

108.162.192.233

Most recently resolved hosting IP on selected date

Successful Responses

207

Checks that returned a measurable response

Failed Responses

1

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 ulla.ns.cloudflare.com

Showing DNS history for 2026-08-26 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
208 2026-08-26 23:45 639233846871926285
4 ms 108.162.192.233
207 2026-08-26 23:45 639233846871926285
4 ms 172.64.32.233
206 2026-08-26 23:45 639233846871926285
4 ms 173.245.58.233
205 2026-08-26 22:51 639233814527872887
18 ms 108.162.192.233
204 2026-08-26 22:51 639233814527872887
18 ms 173.245.58.233
203 2026-08-26 22:51 639233814527872887
18 ms 172.64.32.233
202 2026-08-26 22:34 639233804315489381
-
201 2026-08-26 22:17 639233793971346256
4 ms 108.162.192.233
200 2026-08-26 22:17 639233793971346256
4 ms 172.64.32.233
199 2026-08-26 22:17 639233793971346256
4 ms 173.245.58.233
198 2026-08-26 22:00 639233783644630463
19 ms 173.245.58.233
197 2026-08-26 22:00 639233783644630463
19 ms 108.162.192.233
196 2026-08-26 22:00 639233783644630463
19 ms 172.64.32.233
195 2026-08-26 21:43 639233773302621314
4016 ms 172.64.32.233
194 2026-08-26 21:43 639233773302621314
4016 ms 108.162.192.233
193 2026-08-26 21:43 639233773302621314
4016 ms 173.245.58.233
192 2026-08-26 21:25 639233762896723748
13 ms 108.162.192.233
191 2026-08-26 21:25 639233762896723748
13 ms 172.64.32.233
190 2026-08-26 21:25 639233762896723748
13 ms 173.245.58.233
189 2026-08-26 21:08 639233752543876329
51 ms 173.245.58.233
188 2026-08-26 21:08 639233752543876329
51 ms 172.64.32.233
187 2026-08-26 21:08 639233752543876329
51 ms 108.162.192.233
186 2026-08-26 20:51 639233742155931788
2030 ms 108.162.192.233
185 2026-08-26 20:51 639233742155931788
2030 ms 172.64.32.233
184 2026-08-26 20:51 639233742155931788
2030 ms 173.245.58.233
183 2026-08-26 20:33 639233731712555311
9 ms 108.162.192.233
182 2026-08-26 20:33 639233731712555311
9 ms 173.245.58.233
181 2026-08-26 20:33 639233731712555311
9 ms 172.64.32.233
180 2026-08-26 20:16 639233721164051126
50 ms 173.245.58.233
179 2026-08-26 20:16 639233721164051126
50 ms 172.64.32.233
178 2026-08-26 20:16 639233721164051126
50 ms 108.162.192.233
177 2026-08-26 19:58 639233710560486320
12 ms 173.245.58.233
176 2026-08-26 19:58 639233710560486320
12 ms 108.162.192.233
175 2026-08-26 19:58 639233710560486320
12 ms 172.64.32.233
174 2026-08-26 19:40 639233699834667450
75 ms 173.245.58.233
173 2026-08-26 19:40 639233699834667450
75 ms 108.162.192.233
172 2026-08-26 19:40 639233699834667450
75 ms 172.64.32.233
171 2026-08-26 18:46 639233667209186136
48 ms 172.64.32.233
170 2026-08-26 18:46 639233667209186136
48 ms 173.245.58.233
169 2026-08-26 18:46 639233667209186136
48 ms 108.162.192.233
168 2026-08-26 18:28 639233656814316266
13 ms 108.162.192.233
167 2026-08-26 18:28 639233656814316266
13 ms 172.64.32.233
166 2026-08-26 18:28 639233656814316266
13 ms 173.245.58.233
165 2026-08-26 18:11 639233646245051806
4 ms 108.162.192.233
164 2026-08-26 18:11 639233646245051806
4 ms 172.64.32.233
163 2026-08-26 18:11 639233646245051806
4 ms 173.245.58.233
162 2026-08-26 17:53 639233635663779051
25 ms 108.162.192.233
161 2026-08-26 17:53 639233635663779051
25 ms 172.64.32.233
160 2026-08-26 17:53 639233635663779051
25 ms 173.245.58.233
159 2026-08-26 17:35 639233624977342122
41 ms 108.162.192.233
158 2026-08-26 17:35 639233624977342122
41 ms 172.64.32.233
157 2026-08-26 17:35 639233624977342122
41 ms 173.245.58.233
156 2026-08-26 17:18 639233614446136153
6 ms 108.162.192.233
155 2026-08-26 17:18 639233614446136153
6 ms 172.64.32.233
154 2026-08-26 17:18 639233614446136153
6 ms 173.245.58.233
153 2026-08-26 17:00 639233603737877581
39 ms 108.162.192.233
152 2026-08-26 17:00 639233603737877581
39 ms 172.64.32.233
151 2026-08-26 17:00 639233603737877581
39 ms 173.245.58.233
150 2026-08-26 16:43 639233593269224651
22 ms 108.162.192.233
149 2026-08-26 16:43 639233593269224651
22 ms 172.64.32.233
148 2026-08-26 16:43 639233593269224651
22 ms 173.245.58.233
147 2026-08-26 16:25 639233582635086903
4 ms 108.162.192.233
146 2026-08-26 16:25 639233582635086903
4 ms 172.64.32.233
145 2026-08-26 16:25 639233582635086903
4 ms 173.245.58.233
144 2026-08-26 16:07 639233572000374575
25 ms 108.162.192.233
143 2026-08-26 16:07 639233572000374575
25 ms 172.64.32.233
142 2026-08-26 16:07 639233572000374575
25 ms 173.245.58.233
141 2026-08-26 15:49 639233561188633861
6 ms 108.162.192.233
140 2026-08-26 15:49 639233561188633861
6 ms 172.64.32.233
139 2026-08-26 15:49 639233561188633861
6 ms 173.245.58.233
138 2026-08-26 15:31 639233550544357027
30 ms 108.162.192.233
137 2026-08-26 15:31 639233550544357027
30 ms 172.64.32.233
136 2026-08-26 15:31 639233550544357027
30 ms 173.245.58.233
135 2026-08-26 14:37 639233517966053117
9 ms 108.162.192.233
134 2026-08-26 14:37 639233517966053117
9 ms 172.64.32.233
133 2026-08-26 14:37 639233517966053117
9 ms 173.245.58.233
132 2026-08-26 14:20 639233507603253585
18 ms 108.162.192.233
131 2026-08-26 14:20 639233507603253585
18 ms 172.64.32.233
130 2026-08-26 14:20 639233507603253585
18 ms 173.245.58.233
129 2026-08-26 14:02 639233497229039167
2027 ms 108.162.192.233
128 2026-08-26 14:02 639233497229039167
2027 ms 173.245.58.233
127 2026-08-26 14:02 639233497229039167
2027 ms 172.64.32.233
126 2026-08-26 13:45 639233486864546406
4 ms 108.162.192.233
125 2026-08-26 13:45 639233486864546406
4 ms 172.64.32.233
124 2026-08-26 13:45 639233486864546406
4 ms 173.245.58.233
123 2026-08-26 13:28 639233476455174682
6 ms 108.162.192.233
122 2026-08-26 13:28 639233476455174682
6 ms 172.64.32.233
121 2026-08-26 13:28 639233476455174682
6 ms 173.245.58.233
120 2026-08-26 13:11 639233466171592605
12 ms 108.162.192.233
119 2026-08-26 13:11 639233466171592605
12 ms 172.64.32.233
118 2026-08-26 13:11 639233466171592605
12 ms 173.245.58.233
117 2026-08-26 12:53 639233455747096265
34 ms 172.64.32.233
116 2026-08-26 12:53 639233455747096265
34 ms 108.162.192.233
115 2026-08-26 12:53 639233455747096265
34 ms 173.245.58.233
114 2026-08-26 12:36 639233445367152284
10 ms 173.245.58.233
113 2026-08-26 12:36 639233445367152284
10 ms 108.162.192.233
112 2026-08-26 12:36 639233445367152284
10 ms 172.64.32.233
111 2026-08-26 12:19 639233434974187439
40 ms 173.245.58.233
110 2026-08-26 12:19 639233434974187439
40 ms 172.64.32.233
109 2026-08-26 12:19 639233434974187439
40 ms 108.162.192.233
108 2026-08-26 12:01 639233424567558554
25 ms 108.162.192.233
107 2026-08-26 12:01 639233424567558554
25 ms 172.64.32.233
106 2026-08-26 12:01 639233424567558554
25 ms 173.245.58.233
105 2026-08-26 11:44 639233414056832719
39 ms 108.162.192.233
104 2026-08-26 11:44 639233414056832719
39 ms 172.64.32.233
103 2026-08-26 11:44 639233414056832719
39 ms 173.245.58.233
102 2026-08-26 11:26 639233403515141099
9 ms 173.245.58.233
101 2026-08-26 11:26 639233403515141099
9 ms 172.64.32.233
100 2026-08-26 11:26 639233403515141099
9 ms 108.162.192.233
99 2026-08-26 10:32 639233370841350248
29 ms 108.162.192.233
98 2026-08-26 10:32 639233370841350248
29 ms 172.64.32.233
97 2026-08-26 10:32 639233370841350248
29 ms 173.245.58.233
96 2026-08-26 10:14 639233360361507238
4 ms 108.162.192.233
95 2026-08-26 10:14 639233360361507238
4 ms 172.64.32.233
94 2026-08-26 10:14 639233360361507238
4 ms 173.245.58.233
93 2026-08-26 09:57 639233350067824371
8 ms 108.162.192.233
92 2026-08-26 09:57 639233350067824371
8 ms 172.64.32.233
91 2026-08-26 09:57 639233350067824371
8 ms 173.245.58.233
90 2026-08-26 09:40 639233339545274518
12 ms 172.64.32.233
89 2026-08-26 09:40 639233339545274518
12 ms 173.245.58.233
88 2026-08-26 09:40 639233339545274518
12 ms 108.162.192.233
87 2026-08-26 09:22 639233329214918079
29 ms 108.162.192.233
86 2026-08-26 09:22 639233329214918079
29 ms 172.64.32.233
85 2026-08-26 09:22 639233329214918079
29 ms 173.245.58.233
84 2026-08-26 09:05 639233318749762337
37 ms 108.162.192.233
83 2026-08-26 09:05 639233318749762337
37 ms 172.64.32.233
82 2026-08-26 09:05 639233318749762337
37 ms 173.245.58.233
81 2026-08-26 08:48 639233308387917838
44 ms 108.162.192.233
80 2026-08-26 08:48 639233308387917838
44 ms 172.64.32.233
79 2026-08-26 08:48 639233308387917838
44 ms 173.245.58.233
78 2026-08-26 08:30 639233297961740122
6 ms 108.162.192.233
77 2026-08-26 08:30 639233297961740122
6 ms 172.64.32.233
76 2026-08-26 08:30 639233297961740122
6 ms 173.245.58.233
75 2026-08-26 08:13 639233287487159094
28 ms 173.245.58.233
74 2026-08-26 08:13 639233287487159094
28 ms 172.64.32.233
73 2026-08-26 08:13 639233287487159094
28 ms 108.162.192.233
72 2026-08-26 07:55 639233276995531707
6 ms 108.162.192.233
71 2026-08-26 07:55 639233276995531707
6 ms 172.64.32.233
70 2026-08-26 07:55 639233276995531707
6 ms 173.245.58.233
69 2026-08-26 07:38 639233266521568229
33 ms 108.162.192.233
68 2026-08-26 07:38 639233266521568229
33 ms 172.64.32.233
67 2026-08-26 07:38 639233266521568229
33 ms 173.245.58.233
66 2026-08-26 07:21 639233256081047431
31 ms 172.64.32.233
65 2026-08-26 07:21 639233256081047431
31 ms 108.162.192.233
64 2026-08-26 07:21 639233256081047431
31 ms 173.245.58.233
63 2026-08-26 06:26 639233223620132921
4 ms 108.162.192.233
62 2026-08-26 06:26 639233223620132921
4 ms 172.64.32.233
61 2026-08-26 06:26 639233223620132921
4 ms 173.245.58.233
60 2026-08-26 06:09 639233213287814244
11 ms 108.162.192.233
59 2026-08-26 06:09 639233213287814244
11 ms 172.64.32.233
58 2026-08-26 06:09 639233213287814244
11 ms 173.245.58.233
57 2026-08-26 05:52 639233202925983161
6 ms 108.162.192.233
56 2026-08-26 05:52 639233202925983161
6 ms 172.64.32.233
55 2026-08-26 05:52 639233202925983161
6 ms 173.245.58.233
54 2026-08-26 05:35 639233192644780696
7 ms 172.64.32.233
53 2026-08-26 05:35 639233192644780696
7 ms 173.245.58.233
52 2026-08-26 05:35 639233192644780696
7 ms 108.162.192.233
51 2026-08-26 05:18 639233182401183833
5 ms 108.162.192.233
50 2026-08-26 05:18 639233182401183833
5 ms 172.64.32.233
49 2026-08-26 05:18 639233182401183833
5 ms 173.245.58.233
48 2026-08-26 05:01 639233172074181051
19 ms 108.162.192.233
47 2026-08-26 05:01 639233172074181051
19 ms 172.64.32.233
46 2026-08-26 05:01 639233172074181051
19 ms 173.245.58.233
45 2026-08-26 04:43 639233161808421455
22 ms 108.162.192.233
44 2026-08-26 04:43 639233161808421455
22 ms 172.64.32.233
43 2026-08-26 04:43 639233161808421455
22 ms 173.245.58.233
42 2026-08-26 04:26 639233151357344052
26 ms 108.162.192.233
41 2026-08-26 04:26 639233151357344052
26 ms 172.64.32.233
40 2026-08-26 04:26 639233151357344052
26 ms 173.245.58.233
39 2026-08-26 04:09 639233141034116946
12 ms 173.245.58.233
38 2026-08-26 04:09 639233141034116946
12 ms 108.162.192.233
37 2026-08-26 04:09 639233141034116946
12 ms 172.64.32.233
36 2026-08-26 03:52 639233130828334142
4 ms 108.162.192.233
35 2026-08-26 03:52 639233130828334142
4 ms 172.64.32.233
34 2026-08-26 03:52 639233130828334142
4 ms 173.245.58.233
33 2026-08-26 03:34 639233120373450007
25 ms 173.245.58.233
32 2026-08-26 03:34 639233120373450007
25 ms 108.162.192.233
31 2026-08-26 03:34 639233120373450007
25 ms 172.64.32.233
30 2026-08-26 03:17 639233110066216193
5 ms 108.162.192.233
29 2026-08-26 03:17 639233110066216193
5 ms 172.64.32.233
28 2026-08-26 03:17 639233110066216193
5 ms 173.245.58.233
27 2026-08-26 02:24 639233078065410564
4 ms 108.162.192.233
26 2026-08-26 02:24 639233078065410564
4 ms 172.64.32.233
25 2026-08-26 02:24 639233078065410564
4 ms 173.245.58.233
24 2026-08-26 02:07 639233067787457832
6 ms 108.162.192.233
23 2026-08-26 02:07 639233067787457832
6 ms 172.64.32.233
22 2026-08-26 02:07 639233067787457832
6 ms 173.245.58.233
21 2026-08-26 01:50 639233057501801162
3 ms 108.162.192.233
20 2026-08-26 01:50 639233057501801162
3 ms 172.64.32.233
19 2026-08-26 01:50 639233057501801162
3 ms 173.245.58.233
18 2026-08-26 01:32 639233047089431703
5 ms 108.162.192.233
17 2026-08-26 01:32 639233047089431703
5 ms 172.64.32.233
16 2026-08-26 01:32 639233047089431703
5 ms 173.245.58.233
15 2026-08-26 01:15 639233036754790688
8 ms 108.162.192.233
14 2026-08-26 01:15 639233036754790688
8 ms 172.64.32.233
13 2026-08-26 01:15 639233036754790688
8 ms 173.245.58.233
12 2026-08-26 00:58 639233026412602472
16 ms 108.162.192.233
11 2026-08-26 00:58 639233026412602472
16 ms 172.64.32.233
10 2026-08-26 00:58 639233026412602472
16 ms 173.245.58.233
9 2026-08-26 00:41 639233016064066127
35 ms 108.162.192.233
8 2026-08-26 00:41 639233016064066127
35 ms 173.245.58.233
7 2026-08-26 00:41 639233016064066127
35 ms 172.64.32.233
6 2026-08-26 00:24 639233005922655772
26 ms 172.64.32.233
5 2026-08-26 00:24 639233005922655772
26 ms 108.162.192.233
4 2026-08-26 00:24 639233005922655772
26 ms 173.245.58.233
3 2026-08-26 00:07 639232995672256907
7 ms 108.162.192.233
2 2026-08-26 00:07 639232995672256907
7 ms 172.64.32.233
1 2026-08-26 00:07 639232995672256907
7 ms 173.245.58.233