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 2026-08-10. For this date, NameServerHistory found 246 DNS check records, 246 successful responses, 0 failed responses, and 270 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

246

Historical checks stored for this nameserver on selected date

Average Latency

270 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-10 23:52

All timestamps shown in UTC

Latest Resolved IP on Selected Date

173.245.58.233

Most recently resolved hosting IP on selected date

Successful Responses

246

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 ulla.ns.cloudflare.com

Showing DNS history for 2026-08-10 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
246 2026-08-10 23:52 639220027366289509
2025 ms 173.245.58.233
245 2026-08-10 23:52 639220027366289509
2025 ms 108.162.192.233
244 2026-08-10 23:52 639220027366289509
2025 ms 172.64.32.233
243 2026-08-10 23:37 639220018272941900
2 ms 108.162.192.233
242 2026-08-10 23:37 639220018272941900
2 ms 172.64.32.233
241 2026-08-10 23:37 639220018272941900
2 ms 173.245.58.233
240 2026-08-10 23:22 639220009109892969
10 ms 108.162.192.233
239 2026-08-10 23:22 639220009109892969
10 ms 172.64.32.233
238 2026-08-10 23:22 639220009109892969
10 ms 173.245.58.233
237 2026-08-10 23:07 639220000040489788
26 ms 108.162.192.233
236 2026-08-10 23:07 639220000040489788
26 ms 172.64.32.233
235 2026-08-10 23:07 639220000040489788
26 ms 173.245.58.233
234 2026-08-10 22:52 639219991197135747
58 ms 108.162.192.233
233 2026-08-10 22:52 639219991197135747
58 ms 173.245.58.233
232 2026-08-10 22:52 639219991197135747
58 ms 172.64.32.233
231 2026-08-10 22:37 639219982104540014
27 ms 108.162.192.233
230 2026-08-10 22:37 639219982104540014
27 ms 172.64.32.233
229 2026-08-10 22:37 639219982104540014
27 ms 173.245.58.233
228 2026-08-10 22:22 639219973150300215
19 ms 173.245.58.233
227 2026-08-10 22:22 639219973150300215
19 ms 172.64.32.233
226 2026-08-10 22:22 639219973150300215
19 ms 108.162.192.233
225 2026-08-10 22:07 639219964188486697
27 ms 173.245.58.233
224 2026-08-10 22:07 639219964188486697
27 ms 108.162.192.233
223 2026-08-10 22:07 639219964188486697
27 ms 172.64.32.233
222 2026-08-10 21:52 639219954995921784
28 ms 173.245.58.233
221 2026-08-10 21:52 639219954995921784
28 ms 108.162.192.233
220 2026-08-10 21:52 639219954995921784
28 ms 172.64.32.233
219 2026-08-10 21:36 639219945559908104
113 ms 108.162.192.233
218 2026-08-10 21:36 639219945559908104
113 ms 172.64.32.233
217 2026-08-10 21:36 639219945559908104
113 ms 173.245.58.233
216 2026-08-10 20:43 639219914137782273
28 ms 108.162.192.233
215 2026-08-10 20:43 639219914137782273
28 ms 172.64.32.233
214 2026-08-10 20:43 639219914137782273
28 ms 173.245.58.233
213 2026-08-10 20:28 639219904858355064
5 ms 108.162.192.233
212 2026-08-10 20:28 639219904858355064
5 ms 172.64.32.233
211 2026-08-10 20:28 639219904858355064
5 ms 173.245.58.233
210 2026-08-10 20:13 639219895655263396
9 ms 172.64.32.233
209 2026-08-10 20:13 639219895655263396
9 ms 173.245.58.233
208 2026-08-10 20:13 639219895655263396
9 ms 108.162.192.233
207 2026-08-10 19:57 639219886527091074
8 ms 172.64.32.233
206 2026-08-10 19:57 639219886527091074
8 ms 173.245.58.233
205 2026-08-10 19:57 639219886527091074
8 ms 108.162.192.233
204 2026-08-10 19:42 639219877343266628
5 ms 108.162.192.233
203 2026-08-10 19:42 639219877343266628
5 ms 172.64.32.233
202 2026-08-10 19:42 639219877343266628
5 ms 173.245.58.233
201 2026-08-10 19:27 639219868177358195
4 ms 108.162.192.233
200 2026-08-10 19:27 639219868177358195
4 ms 172.64.32.233
199 2026-08-10 19:27 639219868177358195
4 ms 173.245.58.233
198 2026-08-10 19:12 639219859159581515
37 ms 108.162.192.233
197 2026-08-10 19:12 639219859159581515
37 ms 172.64.32.233
196 2026-08-10 19:12 639219859159581515
37 ms 173.245.58.233
195 2026-08-10 18:57 639219850124020182
2033 ms 108.162.192.233
194 2026-08-10 18:57 639219850124020182
2033 ms 173.245.58.233
193 2026-08-10 18:57 639219850124020182
2033 ms 172.64.32.233
192 2026-08-10 18:41 639219840940124840
2009 ms 108.162.192.233
191 2026-08-10 18:41 639219840940124840
2009 ms 173.245.58.233
190 2026-08-10 18:41 639219840940124840
2009 ms 172.64.32.233
189 2026-08-10 18:26 639219831829876486
28 ms 173.245.58.233
188 2026-08-10 18:26 639219831829876486
28 ms 172.64.32.233
187 2026-08-10 18:26 639219831829876486
28 ms 108.162.192.233
186 2026-08-10 18:11 639219822587759143
28 ms 108.162.192.233
185 2026-08-10 18:11 639219822587759143
28 ms 172.64.32.233
184 2026-08-10 18:11 639219822587759143
28 ms 173.245.58.233
183 2026-08-10 17:55 639219813247114428
18 ms 108.162.192.233
182 2026-08-10 17:55 639219813247114428
18 ms 172.64.32.233
181 2026-08-10 17:55 639219813247114428
18 ms 173.245.58.233
180 2026-08-10 17:03 639219781959606396
6 ms 108.162.192.233
179 2026-08-10 17:03 639219781959606396
6 ms 172.64.32.233
178 2026-08-10 17:03 639219781959606396
6 ms 173.245.58.233
177 2026-08-10 16:47 639219772658305431
2008 ms 173.245.58.233
176 2026-08-10 16:47 639219772658305431
2008 ms 108.162.192.233
175 2026-08-10 16:47 639219772658305431
2008 ms 172.64.32.233
174 2026-08-10 16:32 639219763454523027
14 ms 108.162.192.233
173 2026-08-10 16:32 639219763454523027
14 ms 172.64.32.233
172 2026-08-10 16:32 639219763454523027
14 ms 173.245.58.233
171 2026-08-10 16:17 639219754279127815
23 ms 108.162.192.233
170 2026-08-10 16:17 639219754279127815
23 ms 172.64.32.233
169 2026-08-10 16:17 639219754279127815
23 ms 173.245.58.233
168 2026-08-10 16:01 639219745087467767
14 ms 108.162.192.233
167 2026-08-10 16:01 639219745087467767
14 ms 172.64.32.233
166 2026-08-10 16:01 639219745087467767
14 ms 173.245.58.233
165 2026-08-10 15:46 639219735900678107
87 ms 108.162.192.233
164 2026-08-10 15:46 639219735900678107
87 ms 172.64.32.233
163 2026-08-10 15:46 639219735900678107
87 ms 173.245.58.233
162 2026-08-10 15:30 639219726531461979
2045 ms 172.64.32.233
161 2026-08-10 15:30 639219726531461979
2045 ms 173.245.58.233
160 2026-08-10 15:30 639219726531461979
2045 ms 108.162.192.233
159 2026-08-10 15:15 639219717415222156
2017 ms 173.245.58.233
158 2026-08-10 15:15 639219717415222156
2017 ms 172.64.32.233
157 2026-08-10 15:15 639219717415222156
2017 ms 108.162.192.233
156 2026-08-10 15:00 639219708266470863
27 ms 108.162.192.233
155 2026-08-10 15:00 639219708266470863
27 ms 172.64.32.233
154 2026-08-10 15:00 639219708266470863
27 ms 173.245.58.233
153 2026-08-10 14:45 639219699049479559
2027 ms 172.64.32.233
152 2026-08-10 14:45 639219699049479559
2027 ms 108.162.192.233
151 2026-08-10 14:45 639219699049479559
2027 ms 173.245.58.233
150 2026-08-10 14:29 639219689775815194
60 ms 172.64.32.233
149 2026-08-10 14:29 639219689775815194
60 ms 173.245.58.233
148 2026-08-10 14:29 639219689775815194
60 ms 108.162.192.233
147 2026-08-10 14:14 639219680511810632
3 ms 108.162.192.233
146 2026-08-10 14:14 639219680511810632
3 ms 172.64.32.233
145 2026-08-10 14:14 639219680511810632
3 ms 173.245.58.233
144 2026-08-10 13:21 639219648997191257
17 ms 172.64.32.233
143 2026-08-10 13:21 639219648997191257
17 ms 108.162.192.233
142 2026-08-10 13:21 639219648997191257
17 ms 173.245.58.233
141 2026-08-10 13:06 639219639938909436
18 ms 108.162.192.233
140 2026-08-10 13:06 639219639938909436
18 ms 172.64.32.233
139 2026-08-10 13:06 639219639938909436
18 ms 173.245.58.233
138 2026-08-10 12:51 639219630718286441
97 ms 172.64.32.233
137 2026-08-10 12:51 639219630718286441
97 ms 173.245.58.233
136 2026-08-10 12:51 639219630718286441
97 ms 108.162.192.233
135 2026-08-10 12:35 639219621472350410
20 ms 173.245.58.233
134 2026-08-10 12:35 639219621472350410
20 ms 108.162.192.233
133 2026-08-10 12:35 639219621472350410
20 ms 172.64.32.233
132 2026-08-10 12:20 639219612500421992
10 ms 173.245.58.233
131 2026-08-10 12:20 639219612500421992
10 ms 172.64.32.233
130 2026-08-10 12:20 639219612500421992
10 ms 108.162.192.233
129 2026-08-10 12:05 639219603383833445
18 ms 173.245.58.233
128 2026-08-10 12:05 639219603383833445
18 ms 108.162.192.233
127 2026-08-10 12:05 639219603383833445
18 ms 172.64.32.233
126 2026-08-10 11:50 639219594143823358
10 ms 108.162.192.233
125 2026-08-10 11:50 639219594143823358
10 ms 172.64.32.233
124 2026-08-10 11:50 639219594143823358
10 ms 173.245.58.233
123 2026-08-10 11:35 639219585053166024
20 ms 173.245.58.233
122 2026-08-10 11:35 639219585053166024
20 ms 108.162.192.233
121 2026-08-10 11:35 639219585053166024
20 ms 172.64.32.233
120 2026-08-10 11:19 639219575885776644
11 ms 108.162.192.233
119 2026-08-10 11:19 639219575885776644
11 ms 172.64.32.233
118 2026-08-10 11:19 639219575885776644
11 ms 173.245.58.233
117 2026-08-10 11:04 639219566844532361
6 ms 108.162.192.233
116 2026-08-10 11:04 639219566844532361
6 ms 172.64.32.233
115 2026-08-10 11:04 639219566844532361
6 ms 173.245.58.233
114 2026-08-10 10:49 639219557705808294
22 ms 172.64.32.233
113 2026-08-10 10:49 639219557705808294
22 ms 173.245.58.233
112 2026-08-10 10:49 639219557705808294
22 ms 108.162.192.233
111 2026-08-10 10:34 639219548482688649
22 ms 108.162.192.233
110 2026-08-10 10:34 639219548482688649
22 ms 172.64.32.233
109 2026-08-10 10:34 639219548482688649
22 ms 173.245.58.233
108 2026-08-10 09:42 639219517492763539
55 ms 173.245.58.233
107 2026-08-10 09:42 639219517492763539
55 ms 172.64.32.233
106 2026-08-10 09:42 639219517492763539
55 ms 108.162.192.233
105 2026-08-10 09:28 639219508755773605
51 ms 108.162.192.233
104 2026-08-10 09:28 639219508755773605
51 ms 172.64.32.233
103 2026-08-10 09:28 639219508755773605
51 ms 173.245.58.233
102 2026-08-10 09:13 639219499852103863
10 ms 108.162.192.233
101 2026-08-10 09:13 639219499852103863
10 ms 172.64.32.233
100 2026-08-10 09:13 639219499852103863
10 ms 173.245.58.233
99 2026-08-10 08:58 639219490893714387
4 ms 108.162.192.233
98 2026-08-10 08:58 639219490893714387
4 ms 172.64.32.233
97 2026-08-10 08:58 639219490893714387
4 ms 173.245.58.233
96 2026-08-10 08:44 639219482299305521
108 ms 173.245.58.233
95 2026-08-10 08:44 639219482299305521
108 ms 172.64.32.233
94 2026-08-10 08:44 639219482299305521
108 ms 108.162.192.233
93 2026-08-10 08:29 639219473613114853
37 ms 173.245.58.233
92 2026-08-10 08:29 639219473613114853
37 ms 172.64.32.233
91 2026-08-10 08:29 639219473613114853
37 ms 108.162.192.233
90 2026-08-10 08:15 639219465061138643
26 ms 108.162.192.233
89 2026-08-10 08:15 639219465061138643
26 ms 172.64.32.233
88 2026-08-10 08:15 639219465061138643
26 ms 173.245.58.233
87 2026-08-10 08:01 639219456616129015
32 ms 108.162.192.233
86 2026-08-10 08:01 639219456616129015
32 ms 172.64.32.233
85 2026-08-10 08:01 639219456616129015
32 ms 173.245.58.233
84 2026-08-10 07:46 639219447974008557
11 ms 108.162.192.233
83 2026-08-10 07:46 639219447974008557
11 ms 172.64.32.233
82 2026-08-10 07:46 639219447974008557
11 ms 173.245.58.233
81 2026-08-10 07:32 639219439498255213
4 ms 108.162.192.233
80 2026-08-10 07:32 639219439498255213
4 ms 172.64.32.233
79 2026-08-10 07:32 639219439498255213
4 ms 173.245.58.233
78 2026-08-10 07:18 639219430664872256
37 ms 108.162.192.233
77 2026-08-10 07:18 639219430664872256
37 ms 172.64.32.233
76 2026-08-10 07:18 639219430664872256
37 ms 173.245.58.233
75 2026-08-10 07:03 639219421757560037
41 ms 108.162.192.233
74 2026-08-10 07:03 639219421757560037
41 ms 172.64.32.233
73 2026-08-10 07:03 639219421757560037
41 ms 173.245.58.233
72 2026-08-10 06:11 639219390773218684
7 ms 173.245.58.233
71 2026-08-10 06:11 639219390773218684
7 ms 172.64.32.233
70 2026-08-10 06:11 639219390773218684
7 ms 108.162.192.233
69 2026-08-10 05:57 639219382205367722
2015 ms 172.64.32.233
68 2026-08-10 05:57 639219382205367722
2015 ms 173.245.58.233
67 2026-08-10 05:57 639219382205367722
2015 ms 108.162.192.233
66 2026-08-10 05:43 639219373711937615
20 ms 173.245.58.233
65 2026-08-10 05:43 639219373711937615
20 ms 108.162.192.233
64 2026-08-10 05:43 639219373711937615
20 ms 172.64.32.233
63 2026-08-10 05:28 639219365088558404
3 ms 108.162.192.233
62 2026-08-10 05:28 639219365088558404
3 ms 172.64.32.233
61 2026-08-10 05:28 639219365088558404
3 ms 173.245.58.233
60 2026-08-10 05:14 639219356348833255
65 ms 172.64.32.233
59 2026-08-10 05:14 639219356348833255
65 ms 108.162.192.233
58 2026-08-10 05:14 639219356348833255
65 ms 173.245.58.233
57 2026-08-10 05:00 639219347860053478
50 ms 172.64.32.233
56 2026-08-10 05:00 639219347860053478
50 ms 173.245.58.233
55 2026-08-10 05:00 639219347860053478
50 ms 108.162.192.233
54 2026-08-10 04:45 639219339173195121
24 ms 108.162.192.233
53 2026-08-10 04:45 639219339173195121
24 ms 172.64.32.233
52 2026-08-10 04:45 639219339173195121
24 ms 173.245.58.233
51 2026-08-10 04:31 639219330642664669
41 ms 108.162.192.233
50 2026-08-10 04:31 639219330642664669
41 ms 172.64.32.233
49 2026-08-10 04:31 639219330642664669
41 ms 173.245.58.233
48 2026-08-10 04:17 639219322058698995
73 ms 108.162.192.233
47 2026-08-10 04:17 639219322058698995
73 ms 172.64.32.233
46 2026-08-10 04:17 639219322058698995
73 ms 173.245.58.233
45 2026-08-10 04:02 639219313564344199
29 ms 108.162.192.233
44 2026-08-10 04:02 639219313564344199
29 ms 172.64.32.233
43 2026-08-10 04:02 639219313564344199
29 ms 173.245.58.233
42 2026-08-10 03:48 639219304775113236
14 ms 108.162.192.233
41 2026-08-10 03:48 639219304775113236
14 ms 172.64.32.233
40 2026-08-10 03:48 639219304775113236
14 ms 173.245.58.233
39 2026-08-10 03:33 639219295706181119
8 ms 108.162.192.233
38 2026-08-10 03:33 639219295706181119
8 ms 172.64.32.233
37 2026-08-10 03:33 639219295706181119
8 ms 173.245.58.233
36 2026-08-10 02:41 639219264663923254
30 ms 173.245.58.233
35 2026-08-10 02:41 639219264663923254
30 ms 172.64.32.233
34 2026-08-10 02:41 639219264663923254
30 ms 108.162.192.233
33 2026-08-10 02:26 639219256015178099
41 ms 173.245.58.233
32 2026-08-10 02:26 639219256015178099
41 ms 108.162.192.233
31 2026-08-10 02:26 639219256015178099
41 ms 172.64.32.233
30 2026-08-10 02:12 639219247509540188
7 ms 108.162.192.233
29 2026-08-10 02:12 639219247509540188
7 ms 172.64.32.233
28 2026-08-10 02:12 639219247509540188
7 ms 173.245.58.233
27 2026-08-10 01:58 639219238999539092
2024 ms 108.162.192.233
26 2026-08-10 01:58 639219238999539092
2024 ms 173.245.58.233
25 2026-08-10 01:58 639219238999539092
2024 ms 172.64.32.233
24 2026-08-10 01:44 639219230498823902
4 ms 108.162.192.233
23 2026-08-10 01:44 639219230498823902
4 ms 172.64.32.233
22 2026-08-10 01:44 639219230498823902
4 ms 173.245.58.233
21 2026-08-10 01:29 639219221706460911
2033 ms 173.245.58.233
20 2026-08-10 01:29 639219221706460911
2033 ms 172.64.32.233
19 2026-08-10 01:29 639219221706460911
2033 ms 108.162.192.233
18 2026-08-10 01:15 639219212930606887
10 ms 173.245.58.233
17 2026-08-10 01:15 639219212930606887
10 ms 172.64.32.233
16 2026-08-10 01:15 639219212930606887
10 ms 108.162.192.233
15 2026-08-10 01:00 639219204307908525
23 ms 108.162.192.233
14 2026-08-10 01:00 639219204307908525
23 ms 172.64.32.233
13 2026-08-10 01:00 639219204307908525
23 ms 173.245.58.233
12 2026-08-10 00:46 639219195720181470
52 ms 108.162.192.233
11 2026-08-10 00:46 639219195720181470
52 ms 172.64.32.233
10 2026-08-10 00:46 639219195720181470
52 ms 173.245.58.233
9 2026-08-10 00:31 639219186898174002
7 ms 172.64.32.233
8 2026-08-10 00:31 639219186898174002
7 ms 173.245.58.233
7 2026-08-10 00:31 639219186898174002
7 ms 108.162.192.233
6 2026-08-10 00:16 639219178004946976
14 ms 108.162.192.233
5 2026-08-10 00:16 639219178004946976
14 ms 172.64.32.233
4 2026-08-10 00:16 639219178004946976
14 ms 173.245.58.233
3 2026-08-10 00:01 639219168958805474
15 ms 173.245.58.233
2 2026-08-10 00:01 639219168958805474
15 ms 172.64.32.233
1 2026-08-10 00:01 639219168958805474
15 ms 108.162.192.233