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 2026-08-14. For this date, NameServerHistory found 234 DNS check records, 234 successful responses, 0 failed responses, and 302 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

234

Historical checks stored for this nameserver on selected date

Average Latency

302 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-14 23:57

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

234

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 2026-08-14 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
234 2026-08-14 23:57 639223486524583054
2029 ms 173.245.58.233
233 2026-08-14 23:57 639223486524583054
2029 ms 172.64.32.233
232 2026-08-14 23:57 639223486524583054
2029 ms 108.162.192.233
231 2026-08-14 23:42 639223477272309567
2013 ms 172.64.32.233
230 2026-08-14 23:42 639223477272309567
2013 ms 108.162.192.233
229 2026-08-14 23:42 639223477272309567
2013 ms 173.245.58.233
228 2026-08-14 23:26 639223467876800215
33 ms 173.245.58.233
227 2026-08-14 23:26 639223467876800215
33 ms 108.162.192.233
226 2026-08-14 23:26 639223467876800215
33 ms 172.64.32.233
225 2026-08-14 23:11 639223458466733344
28 ms 108.162.192.233
224 2026-08-14 23:11 639223458466733344
28 ms 172.64.32.233
223 2026-08-14 23:11 639223458466733344
28 ms 173.245.58.233
222 2026-08-14 22:55 639223449196197019
5 ms 108.162.192.233
221 2026-08-14 22:55 639223449196197019
5 ms 172.64.32.233
220 2026-08-14 22:55 639223449196197019
5 ms 173.245.58.233
219 2026-08-14 22:39 639223439729973302
8 ms 108.162.192.233
218 2026-08-14 22:39 639223439729973302
8 ms 172.64.32.233
217 2026-08-14 22:39 639223439729973302
8 ms 173.245.58.233
216 2026-08-14 22:24 639223430298973377
15 ms 108.162.192.233
215 2026-08-14 22:24 639223430298973377
15 ms 172.64.32.233
214 2026-08-14 22:24 639223430298973377
15 ms 173.245.58.233
213 2026-08-14 22:08 639223420812183061
5 ms 108.162.192.233
212 2026-08-14 22:08 639223420812183061
5 ms 172.64.32.233
211 2026-08-14 22:08 639223420812183061
5 ms 173.245.58.233
210 2026-08-14 21:52 639223411307572360
2026 ms 172.64.32.233
209 2026-08-14 21:52 639223411307572360
2026 ms 108.162.192.233
208 2026-08-14 21:52 639223411307572360
2026 ms 173.245.58.233
207 2026-08-14 21:36 639223401895099116
21 ms 173.245.58.233
206 2026-08-14 21:36 639223401895099116
21 ms 172.64.32.233
205 2026-08-14 21:36 639223401895099116
21 ms 108.162.192.233
204 2026-08-14 20:44 639223370328282191
7 ms 173.245.58.233
203 2026-08-14 20:44 639223370328282191
7 ms 108.162.192.233
202 2026-08-14 20:44 639223370328282191
7 ms 172.64.32.233
201 2026-08-14 20:28 639223361156898888
36 ms 172.64.32.233
200 2026-08-14 20:28 639223361156898888
36 ms 108.162.192.233
199 2026-08-14 20:28 639223361156898888
36 ms 173.245.58.233
198 2026-08-14 20:13 639223351683501109
2019 ms 173.245.58.233
197 2026-08-14 20:13 639223351683501109
2019 ms 172.64.32.233
196 2026-08-14 20:13 639223351683501109
2019 ms 108.162.192.233
195 2026-08-14 19:57 639223342485908428
35 ms 108.162.192.233
194 2026-08-14 19:57 639223342485908428
35 ms 172.64.32.233
193 2026-08-14 19:57 639223342485908428
35 ms 173.245.58.233
192 2026-08-14 19:42 639223333113923772
18 ms 108.162.192.233
191 2026-08-14 19:42 639223333113923772
18 ms 172.64.32.233
190 2026-08-14 19:42 639223333113923772
18 ms 173.245.58.233
189 2026-08-14 19:26 639223323766820131
17 ms 172.64.32.233
188 2026-08-14 19:26 639223323766820131
17 ms 108.162.192.233
187 2026-08-14 19:26 639223323766820131
17 ms 173.245.58.233
186 2026-08-14 19:11 639223314500774279
17 ms 108.162.192.233
185 2026-08-14 19:11 639223314500774279
17 ms 172.64.32.233
184 2026-08-14 19:11 639223314500774279
17 ms 173.245.58.233
183 2026-08-14 18:55 639223305225877159
12 ms 108.162.192.233
182 2026-08-14 18:55 639223305225877159
12 ms 172.64.32.233
181 2026-08-14 18:55 639223305225877159
12 ms 173.245.58.233
180 2026-08-14 18:40 639223295834845965
99 ms 173.245.58.233
179 2026-08-14 18:40 639223295834845965
99 ms 172.64.32.233
178 2026-08-14 18:40 639223295834845965
99 ms 108.162.192.233
177 2026-08-14 18:24 639223286312006616
19 ms 173.245.58.233
176 2026-08-14 18:24 639223286312006616
19 ms 172.64.32.233
175 2026-08-14 18:24 639223286312006616
19 ms 108.162.192.233
174 2026-08-14 18:08 639223276659010988
4 ms 108.162.192.233
173 2026-08-14 18:08 639223276659010988
4 ms 172.64.32.233
172 2026-08-14 18:08 639223276659010988
4 ms 173.245.58.233
171 2026-08-14 17:52 639223267203892251
18 ms 108.162.192.233
170 2026-08-14 17:52 639223267203892251
18 ms 172.64.32.233
169 2026-08-14 17:52 639223267203892251
18 ms 173.245.58.233
168 2026-08-14 16:59 639223235652723921
26 ms 173.245.58.233
167 2026-08-14 16:59 639223235652723921
26 ms 172.64.32.233
166 2026-08-14 16:59 639223235652723921
26 ms 108.162.192.233
165 2026-08-14 16:44 639223226156684619
7 ms 172.64.32.233
164 2026-08-14 16:44 639223226156684619
7 ms 173.245.58.233
163 2026-08-14 16:44 639223226156684619
7 ms 108.162.192.233
162 2026-08-14 16:28 639223216737677817
25 ms 108.162.192.233
161 2026-08-14 16:28 639223216737677817
25 ms 173.245.58.233
160 2026-08-14 16:28 639223216737677817
25 ms 172.64.32.233
159 2026-08-14 16:12 639223207303987036
2030 ms 173.245.58.233
158 2026-08-14 16:12 639223207303987036
2030 ms 172.64.32.233
157 2026-08-14 16:12 639223207303987036
2030 ms 108.162.192.233
156 2026-08-14 15:57 639223197972369650
27 ms 108.162.192.233
155 2026-08-14 15:57 639223197972369650
27 ms 172.64.32.233
154 2026-08-14 15:57 639223197972369650
27 ms 173.245.58.233
153 2026-08-14 15:41 639223188476518684
21 ms 108.162.192.233
152 2026-08-14 15:41 639223188476518684
21 ms 172.64.32.233
151 2026-08-14 15:41 639223188476518684
21 ms 173.245.58.233
150 2026-08-14 15:25 639223179029668254
33 ms 108.162.192.233
149 2026-08-14 15:25 639223179029668254
33 ms 172.64.32.233
148 2026-08-14 15:25 639223179029668254
33 ms 173.245.58.233
147 2026-08-14 15:09 639223169668684371
12 ms 108.162.192.233
146 2026-08-14 15:09 639223169668684371
12 ms 172.64.32.233
145 2026-08-14 15:09 639223169668684371
12 ms 173.245.58.233
144 2026-08-14 14:54 639223160270013058
6 ms 108.162.192.233
143 2026-08-14 14:54 639223160270013058
6 ms 172.64.32.233
142 2026-08-14 14:54 639223160270013058
6 ms 173.245.58.233
141 2026-08-14 14:38 639223150848386507
24 ms 108.162.192.233
140 2026-08-14 14:38 639223150848386507
24 ms 172.64.32.233
139 2026-08-14 14:38 639223150848386507
24 ms 173.245.58.233
138 2026-08-14 14:22 639223141514160124
60 ms 173.245.58.233
137 2026-08-14 14:22 639223141514160124
60 ms 108.162.192.233
136 2026-08-14 14:22 639223141514160124
60 ms 172.64.32.233
135 2026-08-14 14:06 639223131908897269
11 ms 108.162.192.233
134 2026-08-14 14:06 639223131908897269
11 ms 172.64.32.233
133 2026-08-14 14:06 639223131908897269
11 ms 173.245.58.233
132 2026-08-14 13:13 639223100084750932
6 ms 108.162.192.233
131 2026-08-14 13:13 639223100084750932
6 ms 172.64.32.233
130 2026-08-14 13:13 639223100084750932
6 ms 173.245.58.233
129 2026-08-14 12:58 639223090744921973
7 ms 172.64.32.233
128 2026-08-14 12:58 639223090744921973
7 ms 173.245.58.233
127 2026-08-14 12:58 639223090744921973
7 ms 108.162.192.233
126 2026-08-14 12:42 639223081343134137
33 ms 172.64.32.233
125 2026-08-14 12:42 639223081343134137
33 ms 173.245.58.233
124 2026-08-14 12:42 639223081343134137
33 ms 108.162.192.233
123 2026-08-14 12:26 639223071917003603
2008 ms 173.245.58.233
122 2026-08-14 12:26 639223071917003603
2008 ms 172.64.32.233
121 2026-08-14 12:26 639223071917003603
2008 ms 108.162.192.233
120 2026-08-14 12:10 639223062407395043
2023 ms 108.162.192.233
119 2026-08-14 12:10 639223062407395043
2023 ms 172.64.32.233
118 2026-08-14 12:10 639223062407395043
2023 ms 173.245.58.233
117 2026-08-14 11:55 639223052970600447
7 ms 108.162.192.233
116 2026-08-14 11:55 639223052970600447
7 ms 172.64.32.233
115 2026-08-14 11:55 639223052970600447
7 ms 173.245.58.233
114 2026-08-14 11:39 639223043584242187
9 ms 173.245.58.233
113 2026-08-14 11:39 639223043584242187
9 ms 172.64.32.233
112 2026-08-14 11:39 639223043584242187
9 ms 108.162.192.233
111 2026-08-14 11:23 639223034248611856
5 ms 108.162.192.233
110 2026-08-14 11:23 639223034248611856
5 ms 172.64.32.233
109 2026-08-14 11:23 639223034248611856
5 ms 173.245.58.233
108 2026-08-14 11:08 639223024816175094
9 ms 108.162.192.233
107 2026-08-14 11:08 639223024816175094
9 ms 172.64.32.233
106 2026-08-14 11:08 639223024816175094
9 ms 173.245.58.233
105 2026-08-14 10:52 639223015278211871
2108 ms 108.162.192.233
104 2026-08-14 10:52 639223015278211871
2108 ms 172.64.32.233
103 2026-08-14 10:52 639223015278211871
2108 ms 173.245.58.233
102 2026-08-14 10:35 639223005387568522
18 ms 172.64.32.233
101 2026-08-14 10:35 639223005387568522
18 ms 108.162.192.233
100 2026-08-14 10:35 639223005387568522
18 ms 173.245.58.233
99 2026-08-14 10:20 639222995944735037
4 ms 108.162.192.233
98 2026-08-14 10:20 639222995944735037
4 ms 172.64.32.233
97 2026-08-14 10:20 639222995944735037
4 ms 173.245.58.233
96 2026-08-14 09:27 639222964532402826
7 ms 108.162.192.233
95 2026-08-14 09:27 639222964532402826
7 ms 172.64.32.233
94 2026-08-14 09:27 639222964532402826
7 ms 173.245.58.233
93 2026-08-14 09:11 639222955031971579
8 ms 108.162.192.233
92 2026-08-14 09:11 639222955031971579
8 ms 172.64.32.233
91 2026-08-14 09:11 639222955031971579
8 ms 173.245.58.233
90 2026-08-14 08:56 639222945616352079
10 ms 172.64.32.233
89 2026-08-14 08:56 639222945616352079
10 ms 173.245.58.233
88 2026-08-14 08:56 639222945616352079
10 ms 108.162.192.233
87 2026-08-14 08:40 639222936296615644
8 ms 173.245.58.233
86 2026-08-14 08:40 639222936296615644
8 ms 172.64.32.233
85 2026-08-14 08:40 639222936296615644
8 ms 108.162.192.233
84 2026-08-14 08:25 639222926913151746
10 ms 108.162.192.233
83 2026-08-14 08:25 639222926913151746
10 ms 172.64.32.233
82 2026-08-14 08:25 639222926913151746
10 ms 173.245.58.233
81 2026-08-14 08:09 639222917608375722
9 ms 108.162.192.233
80 2026-08-14 08:09 639222917608375722
9 ms 172.64.32.233
79 2026-08-14 08:09 639222917608375722
9 ms 173.245.58.233
78 2026-08-14 07:54 639222908294448500
6 ms 108.162.192.233
77 2026-08-14 07:54 639222908294448500
6 ms 172.64.32.233
76 2026-08-14 07:54 639222908294448500
6 ms 173.245.58.233
75 2026-08-14 07:38 639222898918389753
6 ms 108.162.192.233
74 2026-08-14 07:38 639222898918389753
6 ms 172.64.32.233
73 2026-08-14 07:38 639222898918389753
6 ms 173.245.58.233
72 2026-08-14 07:22 639222889625876211
5 ms 108.162.192.233
71 2026-08-14 07:22 639222889625876211
5 ms 172.64.32.233
70 2026-08-14 07:22 639222889625876211
5 ms 173.245.58.233
69 2026-08-14 07:07 639222880353707528
4048 ms 108.162.192.233
68 2026-08-14 07:07 639222880353707528
4048 ms 172.64.32.233
67 2026-08-14 07:07 639222880353707528
4048 ms 173.245.58.233
66 2026-08-14 06:51 639222871065611259
30 ms 173.245.58.233
65 2026-08-14 06:51 639222871065611259
30 ms 172.64.32.233
64 2026-08-14 06:51 639222871065611259
30 ms 108.162.192.233
63 2026-08-14 06:36 639222861517093112
17 ms 108.162.192.233
62 2026-08-14 06:36 639222861517093112
17 ms 172.64.32.233
61 2026-08-14 06:36 639222861517093112
17 ms 173.245.58.233
60 2026-08-14 05:43 639222830182717637
11 ms 108.162.192.233
59 2026-08-14 05:43 639222830182717637
11 ms 172.64.32.233
58 2026-08-14 05:43 639222830182717637
11 ms 173.245.58.233
57 2026-08-14 05:28 639222820714737422
2022 ms 173.245.58.233
56 2026-08-14 05:28 639222820714737422
2022 ms 172.64.32.233
55 2026-08-14 05:28 639222820714737422
2022 ms 108.162.192.233
54 2026-08-14 05:12 639222811404284741
6 ms 108.162.192.233
53 2026-08-14 05:12 639222811404284741
6 ms 172.64.32.233
52 2026-08-14 05:12 639222811404284741
6 ms 173.245.58.233
51 2026-08-14 04:56 639222801994952240
15 ms 108.162.192.233
50 2026-08-14 04:56 639222801994952240
15 ms 172.64.32.233
49 2026-08-14 04:56 639222801994952240
15 ms 173.245.58.233
48 2026-08-14 04:41 639222792581940911
57 ms 173.245.58.233
47 2026-08-14 04:41 639222792581940911
57 ms 172.64.32.233
46 2026-08-14 04:41 639222792581940911
57 ms 108.162.192.233
45 2026-08-14 04:25 639222783296631220
41 ms 108.162.192.233
44 2026-08-14 04:25 639222783296631220
41 ms 172.64.32.233
43 2026-08-14 04:25 639222783296631220
41 ms 173.245.58.233
42 2026-08-14 04:10 639222773909528001
7 ms 172.64.32.233
41 2026-08-14 04:10 639222773909528001
7 ms 173.245.58.233
40 2026-08-14 04:10 639222773909528001
7 ms 108.162.192.233
39 2026-08-14 03:54 639222764574707991
3 ms 108.162.192.233
38 2026-08-14 03:54 639222764574707991
3 ms 172.64.32.233
37 2026-08-14 03:54 639222764574707991
3 ms 173.245.58.233
36 2026-08-14 03:38 639222754982758281
7 ms 108.162.192.233
35 2026-08-14 03:38 639222754982758281
7 ms 172.64.32.233
34 2026-08-14 03:38 639222754982758281
7 ms 173.245.58.233
33 2026-08-14 03:23 639222745650144239
30 ms 172.64.32.233
32 2026-08-14 03:23 639222745650144239
30 ms 108.162.192.233
31 2026-08-14 03:23 639222745650144239
30 ms 173.245.58.233
30 2026-08-14 03:07 639222736060223018
18 ms 108.162.192.233
29 2026-08-14 03:07 639222736060223018
18 ms 172.64.32.233
28 2026-08-14 03:07 639222736060223018
18 ms 173.245.58.233
27 2026-08-14 02:51 639222726529271510
5 ms 108.162.192.233
26 2026-08-14 02:51 639222726529271510
5 ms 172.64.32.233
25 2026-08-14 02:51 639222726529271510
5 ms 173.245.58.233
24 2026-08-14 01:58 639222694791257846
4 ms 108.162.192.233
23 2026-08-14 01:58 639222694791257846
4 ms 172.64.32.233
22 2026-08-14 01:58 639222694791257846
4 ms 173.245.58.233
21 2026-08-14 01:42 639222685350317820
16 ms 172.64.32.233
20 2026-08-14 01:42 639222685350317820
16 ms 108.162.192.233
19 2026-08-14 01:42 639222685350317820
16 ms 173.245.58.233
18 2026-08-14 01:26 639222675895178560
5 ms 108.162.192.233
17 2026-08-14 01:26 639222675895178560
5 ms 172.64.32.233
16 2026-08-14 01:26 639222675895178560
5 ms 173.245.58.233
15 2026-08-14 01:10 639222666344182743
18 ms 108.162.192.233
14 2026-08-14 01:10 639222666344182743
18 ms 172.64.32.233
13 2026-08-14 01:10 639222666344182743
18 ms 173.245.58.233
12 2026-08-14 00:54 639222656762316965
4 ms 108.162.192.233
11 2026-08-14 00:54 639222656762316965
4 ms 172.64.32.233
10 2026-08-14 00:54 639222656762316965
4 ms 173.245.58.233
9 2026-08-14 00:38 639222647109404695
34 ms 172.64.32.233
8 2026-08-14 00:38 639222647109404695
34 ms 173.245.58.233
7 2026-08-14 00:38 639222647109404695
34 ms 108.162.192.233
6 2026-08-14 00:23 639222637659944389
38 ms 108.162.192.233
5 2026-08-14 00:23 639222637659944389
38 ms 172.64.32.233
4 2026-08-14 00:23 639222637659944389
38 ms 173.245.58.233
3 2026-08-14 00:07 639222628151417313
24 ms 108.162.192.233
2 2026-08-14 00:07 639222628151417313
24 ms 172.64.32.233
1 2026-08-14 00:07 639222628151417313
24 ms 173.245.58.233