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 2026-08-23. For this date, NameServerHistory found 223 DNS check records, 222 successful responses, 1 failed responses, and 185 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

223

Historical checks stored for this nameserver on selected date

Average Latency

185 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-23 23:44

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

222

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 2026-08-23 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
223 2026-08-23 23:44 639231254406598736
4 ms 108.162.192.233
222 2026-08-23 23:44 639231254406598736
4 ms 172.64.32.233
221 2026-08-23 23:44 639231254406598736
4 ms 173.245.58.233
220 2026-08-23 23:28 639231244697865594
3 ms 108.162.192.233
219 2026-08-23 23:28 639231244697865594
3 ms 172.64.32.233
218 2026-08-23 23:28 639231244697865594
3 ms 173.245.58.233
217 2026-08-23 23:12 639231234893504693
4 ms 108.162.192.233
216 2026-08-23 23:12 639231234893504693
4 ms 172.64.32.233
215 2026-08-23 23:12 639231234893504693
4 ms 173.245.58.233
214 2026-08-23 22:56 639231225024549139
12 ms 108.162.192.233
213 2026-08-23 22:56 639231225024549139
12 ms 172.64.32.233
212 2026-08-23 22:56 639231225024549139
12 ms 173.245.58.233
211 2026-08-23 22:39 639231214931957622
7 ms 173.245.58.233
210 2026-08-23 22:39 639231214931957622
7 ms 172.64.32.233
209 2026-08-23 22:39 639231214931957622
7 ms 108.162.192.233
208 2026-08-23 22:22 639231204962010549
46 ms 173.245.58.233
207 2026-08-23 22:22 639231204962010549
46 ms 172.64.32.233
206 2026-08-23 22:22 639231204962010549
46 ms 108.162.192.233
205 2026-08-23 22:06 639231195170138463
2035 ms 173.245.58.233
204 2026-08-23 22:06 639231195170138463
2035 ms 172.64.32.233
203 2026-08-23 22:06 639231195170138463
2035 ms 108.162.192.233
202 2026-08-23 21:49 639231185235020577
50 ms 108.162.192.233
201 2026-08-23 21:49 639231185235020577
50 ms 172.64.32.233
200 2026-08-23 21:49 639231185235020577
50 ms 173.245.58.233
199 2026-08-23 21:33 639231175558690075
49 ms 108.162.192.233
198 2026-08-23 21:33 639231175558690075
49 ms 172.64.32.233
197 2026-08-23 21:33 639231175558690075
49 ms 173.245.58.233
196 2026-08-23 21:17 639231165610444012
2011 ms 108.162.192.233
195 2026-08-23 21:17 639231165610444012
2011 ms 172.64.32.233
194 2026-08-23 21:17 639231165610444012
2011 ms 173.245.58.233
193 2026-08-23 20:23 639231133806425363
5 ms 108.162.192.233
192 2026-08-23 20:23 639231133806425363
5 ms 172.64.32.233
191 2026-08-23 20:23 639231133806425363
5 ms 173.245.58.233
190 2026-08-23 20:07 639231124203758023
23 ms 172.64.32.233
189 2026-08-23 20:07 639231124203758023
23 ms 173.245.58.233
188 2026-08-23 20:07 639231124203758023
23 ms 108.162.192.233
187 2026-08-23 19:51 639231114428262706
2017 ms 173.245.58.233
186 2026-08-23 19:51 639231114428262706
2017 ms 108.162.192.233
185 2026-08-23 19:51 639231114428262706
2017 ms 172.64.32.233
184 2026-08-23 19:35 639231104662480065
45 ms 108.162.192.233
183 2026-08-23 19:35 639231104662480065
45 ms 172.64.32.233
182 2026-08-23 19:35 639231104662480065
45 ms 173.245.58.233
181 2026-08-23 19:19 639231094840372018
32 ms 108.162.192.233
180 2026-08-23 19:19 639231094840372018
32 ms 172.64.32.233
179 2026-08-23 19:19 639231094840372018
32 ms 173.245.58.233
178 2026-08-23 19:02 639231085024583224
13 ms 173.245.58.233
177 2026-08-23 19:02 639231085024583224
13 ms 172.64.32.233
176 2026-08-23 19:02 639231085024583224
13 ms 108.162.192.233
175 2026-08-23 18:46 639231075257417427
53 ms 172.64.32.233
174 2026-08-23 18:46 639231075257417427
53 ms 173.245.58.233
173 2026-08-23 18:46 639231075257417427
53 ms 108.162.192.233
172 2026-08-23 18:30 639231065516009503
6 ms 108.162.192.233
171 2026-08-23 18:30 639231065516009503
6 ms 172.64.32.233
170 2026-08-23 18:30 639231065516009503
6 ms 173.245.58.233
169 2026-08-23 18:13 639231055805348837
20 ms 108.162.192.233
168 2026-08-23 18:13 639231055805348837
20 ms 172.64.32.233
167 2026-08-23 18:13 639231055805348837
20 ms 173.245.58.233
166 2026-08-23 17:57 639231045980373765
18 ms 173.245.58.233
165 2026-08-23 17:57 639231045980373765
18 ms 108.162.192.233
164 2026-08-23 17:57 639231045980373765
18 ms 172.64.32.233
163 2026-08-23 17:40 639231035984577527
4 ms 108.162.192.233
162 2026-08-23 17:40 639231035984577527
4 ms 172.64.32.233
161 2026-08-23 17:40 639231035984577527
4 ms 173.245.58.233
160 2026-08-23 17:24 639231025928115303
42 ms 108.162.192.233
159 2026-08-23 17:24 639231025928115303
42 ms 172.64.32.233
158 2026-08-23 17:24 639231025928115303
42 ms 173.245.58.233
157 2026-08-23 16:31 639230994250157583
9 ms 172.64.32.233
156 2026-08-23 16:31 639230994250157583
9 ms 108.162.192.233
155 2026-08-23 16:31 639230994250157583
9 ms 173.245.58.233
154 2026-08-23 16:15 639230984476411369
26 ms 108.162.192.233
153 2026-08-23 16:15 639230984476411369
26 ms 172.64.32.233
152 2026-08-23 16:15 639230984476411369
26 ms 173.245.58.233
151 2026-08-23 15:59 639230974838373450
39 ms 108.162.192.233
150 2026-08-23 15:59 639230974838373450
39 ms 172.64.32.233
149 2026-08-23 15:59 639230974838373450
39 ms 173.245.58.233
148 2026-08-23 15:43 639230965244277645
39 ms 108.162.192.233
147 2026-08-23 15:43 639230965244277645
39 ms 172.64.32.233
146 2026-08-23 15:43 639230965244277645
39 ms 173.245.58.233
145 2026-08-23 15:26 639230955522101820
20 ms 108.162.192.233
144 2026-08-23 15:26 639230955522101820
20 ms 172.64.32.233
143 2026-08-23 15:26 639230955522101820
20 ms 173.245.58.233
142 2026-08-23 15:10 639230945754521603
28 ms 108.162.192.233
141 2026-08-23 15:10 639230945754521603
28 ms 172.64.32.233
140 2026-08-23 15:10 639230945754521603
28 ms 173.245.58.233
139 2026-08-23 14:54 639230935852040504
29 ms 173.245.58.233
138 2026-08-23 14:54 639230935852040504
29 ms 172.64.32.233
137 2026-08-23 14:54 639230935852040504
29 ms 108.162.192.233
136 2026-08-23 14:38 639230926222061048
17 ms 108.162.192.233
135 2026-08-23 14:38 639230926222061048
17 ms 172.64.32.233
134 2026-08-23 14:38 639230926222061048
17 ms 173.245.58.233
133 2026-08-23 14:21 639230916449726907
27 ms 172.64.32.233
132 2026-08-23 14:21 639230916449726907
27 ms 173.245.58.233
131 2026-08-23 14:21 639230916449726907
27 ms 108.162.192.233
130 2026-08-23 14:05 639230906595053086
31 ms 108.162.192.233
129 2026-08-23 14:05 639230906595053086
31 ms 173.245.58.233
128 2026-08-23 14:05 639230906595053086
31 ms 172.64.32.233
127 2026-08-23 13:48 639230896680429441
9 ms 108.162.192.233
126 2026-08-23 13:48 639230896680429441
9 ms 172.64.32.233
125 2026-08-23 13:48 639230896680429441
9 ms 173.245.58.233
124 2026-08-23 13:32 639230886630210965
58 ms 108.162.192.233
123 2026-08-23 13:32 639230886630210965
58 ms 172.64.32.233
122 2026-08-23 13:32 639230886630210965
58 ms 173.245.58.233
121 2026-08-23 12:40 639230855430405719
17 ms 108.162.192.233
120 2026-08-23 12:40 639230855430405719
17 ms 172.64.32.233
119 2026-08-23 12:40 639230855430405719
17 ms 173.245.58.233
118 2026-08-23 12:23 639230845707499136
38 ms 108.162.192.233
117 2026-08-23 12:23 639230845707499136
38 ms 172.64.32.233
116 2026-08-23 12:23 639230845707499136
38 ms 173.245.58.233
115 2026-08-23 12:08 639230836186805419
4 ms 108.162.192.233
114 2026-08-23 12:08 639230836186805419
4 ms 172.64.32.233
113 2026-08-23 12:08 639230836186805419
4 ms 173.245.58.233
112 2026-08-23 11:51 639230826493828316
11 ms 173.245.58.233
111 2026-08-23 11:51 639230826493828316
11 ms 108.162.192.233
110 2026-08-23 11:51 639230826493828316
11 ms 172.64.32.233
109 2026-08-23 11:35 639230816817882996
10 ms 108.162.192.233
108 2026-08-23 11:35 639230816817882996
10 ms 173.245.58.233
107 2026-08-23 11:35 639230816817882996
10 ms 172.64.32.233
106 2026-08-23 11:19 639230806933854189
22 ms 108.162.192.233
105 2026-08-23 11:19 639230806933854189
22 ms 172.64.32.233
104 2026-08-23 11:19 639230806933854189
22 ms 173.245.58.233
103 2026-08-23 11:02 639230797120243854
7 ms 108.162.192.233
102 2026-08-23 11:02 639230797120243854
7 ms 172.64.32.233
101 2026-08-23 11:02 639230797120243854
7 ms 173.245.58.233
100 2026-08-23 10:46 639230787310272840
4 ms 108.162.192.233
99 2026-08-23 10:46 639230787310272840
4 ms 172.64.32.233
98 2026-08-23 10:46 639230787310272840
4 ms 173.245.58.233
97 2026-08-23 10:30 639230777600173142
9 ms 108.162.192.233
96 2026-08-23 10:30 639230777600173142
9 ms 172.64.32.233
95 2026-08-23 10:30 639230777600173142
9 ms 173.245.58.233
94 2026-08-23 10:13 639230767665024593
4 ms 108.162.192.233
93 2026-08-23 10:13 639230767665024593
4 ms 172.64.32.233
92 2026-08-23 10:13 639230767665024593
4 ms 173.245.58.233
91 2026-08-23 09:57 639230757720962293
7 ms 173.245.58.233
90 2026-08-23 09:57 639230757720962293
7 ms 108.162.192.233
89 2026-08-23 09:57 639230757720962293
7 ms 172.64.32.233
88 2026-08-23 09:40 639230747722189784
26 ms 173.245.58.233
87 2026-08-23 09:40 639230747722189784
26 ms 172.64.32.233
86 2026-08-23 09:40 639230747722189784
26 ms 108.162.192.233
85 2026-08-23 08:48 639230716313923480
28 ms 173.245.58.233
84 2026-08-23 08:48 639230716313923480
28 ms 108.162.192.233
83 2026-08-23 08:48 639230716313923480
28 ms 172.64.32.233
82 2026-08-23 08:32 639230706813835990
13 ms 108.162.192.233
81 2026-08-23 08:32 639230706813835990
13 ms 172.64.32.233
80 2026-08-23 08:32 639230706813835990
13 ms 173.245.58.233
79 2026-08-23 08:15 639230696871062203
28 ms 173.245.58.233
78 2026-08-23 08:15 639230696871062203
28 ms 108.162.192.233
77 2026-08-23 08:15 639230696871062203
28 ms 172.64.32.233
76 2026-08-23 07:59 639230687142781616
34 ms 108.162.192.233
75 2026-08-23 07:59 639230687142781616
34 ms 172.64.32.233
74 2026-08-23 07:59 639230687142781616
34 ms 173.245.58.233
73 2026-08-23 07:43 639230677432142227
47 ms 172.64.32.233
72 2026-08-23 07:43 639230677432142227
47 ms 108.162.192.233
71 2026-08-23 07:43 639230677432142227
47 ms 173.245.58.233
70 2026-08-23 07:27 639230667686258061
8 ms 173.245.58.233
69 2026-08-23 07:27 639230667686258061
8 ms 108.162.192.233
68 2026-08-23 07:27 639230667686258061
8 ms 172.64.32.233
67 2026-08-23 07:11 639230658039243685
7 ms 108.162.192.233
66 2026-08-23 07:11 639230658039243685
7 ms 172.64.32.233
65 2026-08-23 07:11 639230658039243685
7 ms 173.245.58.233
64 2026-08-23 06:55 639230648468473803
15 ms 108.162.192.233
63 2026-08-23 06:55 639230648468473803
15 ms 172.64.32.233
62 2026-08-23 06:55 639230648468473803
15 ms 173.245.58.233
61 2026-08-23 06:39 639230638829658294
9 ms 108.162.192.233
60 2026-08-23 06:39 639230638829658294
9 ms 172.64.32.233
59 2026-08-23 06:39 639230638829658294
9 ms 173.245.58.233
58 2026-08-23 06:22 639230629247017617
5 ms 108.162.192.233
57 2026-08-23 06:22 639230629247017617
5 ms 172.64.32.233
56 2026-08-23 06:22 639230629247017617
5 ms 173.245.58.233
55 2026-08-23 06:06 639230619625318239
42 ms 173.245.58.233
54 2026-08-23 06:06 639230619625318239
42 ms 108.162.192.233
53 2026-08-23 06:06 639230619625318239
42 ms 172.64.32.233
52 2026-08-23 05:50 639230609697630264
7 ms 108.162.192.233
51 2026-08-23 05:50 639230609697630264
7 ms 172.64.32.233
50 2026-08-23 05:50 639230609697630264
7 ms 173.245.58.233
49 2026-08-23 04:58 639230578570131864
41 ms 108.162.192.233
48 2026-08-23 04:58 639230578570131864
41 ms 172.64.32.233
47 2026-08-23 04:58 639230578570131864
41 ms 173.245.58.233
46 2026-08-23 04:42 639230568958963168
7 ms 108.162.192.233
45 2026-08-23 04:42 639230568958963168
7 ms 172.64.32.233
44 2026-08-23 04:42 639230568958963168
7 ms 173.245.58.233
43 2026-08-23 04:26 639230559287611211
35 ms 172.64.32.233
42 2026-08-23 04:26 639230559287611211
35 ms 108.162.192.233
41 2026-08-23 04:26 639230559287611211
35 ms 173.245.58.233
40 2026-08-23 04:10 639230549524312030
2013 ms 108.162.192.233
39 2026-08-23 04:10 639230549524312030
2013 ms 172.64.32.233
38 2026-08-23 04:10 639230549524312030
2013 ms 173.245.58.233
37 2026-08-23 03:53 639230539739801669
36 ms 172.64.32.233
36 2026-08-23 03:53 639230539739801669
36 ms 108.162.192.233
35 2026-08-23 03:53 639230539739801669
36 ms 173.245.58.233
34 2026-08-23 03:37 639230530084069375
5 ms 108.162.192.233
33 2026-08-23 03:37 639230530084069375
5 ms 172.64.32.233
32 2026-08-23 03:37 639230530084069375
5 ms 173.245.58.233
31 2026-08-23 03:21 639230520362691441
92 ms 173.245.58.233
30 2026-08-23 03:21 639230520362691441
92 ms 108.162.192.233
29 2026-08-23 03:21 639230520362691441
92 ms 172.64.32.233
28 2026-08-23 03:05 639230510677194518
11 ms 172.64.32.233
27 2026-08-23 03:05 639230510677194518
11 ms 173.245.58.233
26 2026-08-23 03:05 639230510677194518
11 ms 108.162.192.233
25 2026-08-23 02:49 639230501156002646
-
24 2026-08-23 02:33 639230491502198541
15 ms 173.245.58.233
23 2026-08-23 02:33 639230491502198541
15 ms 172.64.32.233
22 2026-08-23 02:33 639230491502198541
15 ms 108.162.192.233
21 2026-08-23 02:17 639230481860318494
3 ms 108.162.192.233
20 2026-08-23 02:17 639230481860318494
3 ms 172.64.32.233
19 2026-08-23 02:17 639230481860318494
3 ms 173.245.58.233
18 2026-08-23 02:00 639230471893008575
47 ms 173.245.58.233
17 2026-08-23 02:00 639230471893008575
47 ms 108.162.192.233
16 2026-08-23 02:00 639230471893008575
47 ms 172.64.32.233
15 2026-08-23 01:07 639230440030877421
4025 ms 172.64.32.233
14 2026-08-23 01:07 639230440030877421
4025 ms 173.245.58.233
13 2026-08-23 01:07 639230440030877421
4025 ms 108.162.192.233
12 2026-08-23 00:51 639230430479725508
3 ms 108.162.192.233
11 2026-08-23 00:51 639230430479725508
3 ms 172.64.32.233
10 2026-08-23 00:51 639230430479725508
3 ms 173.245.58.233
9 2026-08-23 00:35 639230420875160219
36 ms 108.162.192.233
8 2026-08-23 00:35 639230420875160219
36 ms 172.64.32.233
7 2026-08-23 00:35 639230420875160219
36 ms 173.245.58.233
6 2026-08-23 00:19 639230411240692575
50 ms 108.162.192.233
5 2026-08-23 00:19 639230411240692575
50 ms 172.64.32.233
4 2026-08-23 00:19 639230411240692575
50 ms 173.245.58.233
3 2026-08-23 00:03 639230401550806607
8 ms 108.162.192.233
2 2026-08-23 00:03 639230401550806607
8 ms 172.64.32.233
1 2026-08-23 00:03 639230401550806607
8 ms 173.245.58.233