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 2026-08-12. For this date, NameServerHistory found 186 DNS check records, 186 successful responses, 0 failed responses, and 290 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

186

Historical checks stored for this nameserver on selected date

Average Latency

290 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-12 23:48

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

186

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 2026-08-12 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
186 2026-08-12 23:48 639221753022017039
4 ms 108.162.192.233
185 2026-08-12 23:48 639221753022017039
4 ms 172.64.32.233
184 2026-08-12 23:48 639221753022017039
4 ms 173.245.58.233
183 2026-08-12 23:33 639221744107644868
5 ms 108.162.192.233
182 2026-08-12 23:33 639221744107644868
5 ms 172.64.32.233
181 2026-08-12 23:33 639221744107644868
5 ms 173.245.58.233
180 2026-08-12 23:18 639221735030187244
7 ms 108.162.192.233
179 2026-08-12 23:18 639221735030187244
7 ms 172.64.32.233
178 2026-08-12 23:18 639221735030187244
7 ms 173.245.58.233
177 2026-08-12 23:03 639221725815508109
6 ms 108.162.192.233
176 2026-08-12 23:03 639221725815508109
6 ms 172.64.32.233
175 2026-08-12 23:03 639221725815508109
6 ms 173.245.58.233
174 2026-08-12 22:11 639221694790955973
20 ms 108.162.192.233
173 2026-08-12 22:11 639221694790955973
20 ms 172.64.32.233
172 2026-08-12 22:11 639221694790955973
20 ms 173.245.58.233
171 2026-08-12 21:56 639221685562451720
5 ms 108.162.192.233
170 2026-08-12 21:56 639221685562451720
5 ms 172.64.32.233
169 2026-08-12 21:56 639221685562451720
5 ms 173.245.58.233
168 2026-08-12 21:40 639221676023655289
19 ms 172.64.32.233
167 2026-08-12 21:40 639221676023655289
19 ms 108.162.192.233
166 2026-08-12 21:40 639221676023655289
19 ms 173.245.58.233
165 2026-08-12 21:24 639221666449119409
34 ms 108.162.192.233
164 2026-08-12 21:24 639221666449119409
34 ms 172.64.32.233
163 2026-08-12 21:24 639221666449119409
34 ms 173.245.58.233
162 2026-08-12 20:32 639221635456432556
24 ms 172.64.32.233
161 2026-08-12 20:32 639221635456432556
24 ms 173.245.58.233
160 2026-08-12 20:32 639221635456432556
24 ms 108.162.192.233
159 2026-08-12 20:17 639221626313054202
4 ms 108.162.192.233
158 2026-08-12 20:17 639221626313054202
4 ms 172.64.32.233
157 2026-08-12 20:17 639221626313054202
4 ms 173.245.58.233
156 2026-08-12 20:01 639221617091958857
6 ms 108.162.192.233
155 2026-08-12 20:01 639221617091958857
6 ms 172.64.32.233
154 2026-08-12 20:01 639221617091958857
6 ms 173.245.58.233
153 2026-08-12 19:46 639221607786737151
4 ms 108.162.192.233
152 2026-08-12 19:46 639221607786737151
4 ms 172.64.32.233
151 2026-08-12 19:46 639221607786737151
4 ms 173.245.58.233
150 2026-08-12 18:54 639221576664330059
24 ms 173.245.58.233
149 2026-08-12 18:54 639221576664330059
24 ms 172.64.32.233
148 2026-08-12 18:54 639221576664330059
24 ms 108.162.192.233
147 2026-08-12 18:39 639221567514216674
2064 ms 108.162.192.233
146 2026-08-12 18:39 639221567514216674
2064 ms 172.64.32.233
145 2026-08-12 18:39 639221567514216674
2064 ms 173.245.58.233
144 2026-08-12 18:24 639221558399762524
61 ms 173.245.58.233
143 2026-08-12 18:24 639221558399762524
61 ms 108.162.192.233
142 2026-08-12 18:24 639221558399762524
61 ms 172.64.32.233
141 2026-08-12 18:08 639221549052016282
10 ms 108.162.192.233
140 2026-08-12 18:08 639221549052016282
10 ms 172.64.32.233
139 2026-08-12 18:08 639221549052016282
10 ms 173.245.58.233
138 2026-08-12 17:16 639221517673834934
37 ms 172.64.32.233
137 2026-08-12 17:16 639221517673834934
37 ms 173.245.58.233
136 2026-08-12 17:16 639221517673834934
37 ms 108.162.192.233
135 2026-08-12 17:00 639221508282311633
40 ms 108.162.192.233
134 2026-08-12 17:00 639221508282311633
40 ms 172.64.32.233
133 2026-08-12 17:00 639221508282311633
40 ms 173.245.58.233
132 2026-08-12 16:44 639221498786324983
43 ms 108.162.192.233
131 2026-08-12 16:44 639221498786324983
43 ms 172.64.32.233
130 2026-08-12 16:44 639221498786324983
43 ms 173.245.58.233
129 2026-08-12 16:28 639221489157589737
10 ms 108.162.192.233
128 2026-08-12 16:28 639221489157589737
10 ms 172.64.32.233
127 2026-08-12 16:28 639221489157589737
10 ms 173.245.58.233
126 2026-08-12 15:36 639221457655914645
7 ms 108.162.192.233
125 2026-08-12 15:36 639221457655914645
7 ms 172.64.32.233
124 2026-08-12 15:36 639221457655914645
7 ms 173.245.58.233
123 2026-08-12 15:20 639221448164090526
59 ms 108.162.192.233
122 2026-08-12 15:20 639221448164090526
59 ms 172.64.32.233
121 2026-08-12 15:20 639221448164090526
59 ms 173.245.58.233
120 2026-08-12 15:04 639221438725783630
40 ms 108.162.192.233
119 2026-08-12 15:04 639221438725783630
40 ms 172.64.32.233
118 2026-08-12 15:04 639221438725783630
40 ms 173.245.58.233
117 2026-08-12 14:48 639221429178071087
8 ms 108.162.192.233
116 2026-08-12 14:48 639221429178071087
8 ms 172.64.32.233
115 2026-08-12 14:48 639221429178071087
8 ms 173.245.58.233
114 2026-08-12 13:56 639221397761278719
3 ms 108.162.192.233
113 2026-08-12 13:56 639221397761278719
3 ms 172.64.32.233
112 2026-08-12 13:56 639221397761278719
3 ms 173.245.58.233
111 2026-08-12 13:40 639221388200567278
101 ms 172.64.32.233
110 2026-08-12 13:40 639221388200567278
101 ms 108.162.192.233
109 2026-08-12 13:40 639221388200567278
101 ms 173.245.58.233
108 2026-08-12 13:24 639221378483570949
15 ms 108.162.192.233
107 2026-08-12 13:24 639221378483570949
15 ms 172.64.32.233
106 2026-08-12 13:24 639221378483570949
15 ms 173.245.58.233
105 2026-08-12 13:08 639221368872360139
12 ms 172.64.32.233
104 2026-08-12 13:08 639221368872360139
12 ms 173.245.58.233
103 2026-08-12 13:08 639221368872360139
12 ms 108.162.192.233
102 2026-08-12 12:15 639221337226647415
11 ms 108.162.192.233
101 2026-08-12 12:15 639221337226647415
11 ms 172.64.32.233
100 2026-08-12 12:15 639221337226647415
11 ms 173.245.58.233
99 2026-08-12 11:59 639221327924087446
8 ms 108.162.192.233
98 2026-08-12 11:59 639221327924087446
8 ms 172.64.32.233
97 2026-08-12 11:59 639221327924087446
8 ms 173.245.58.233
96 2026-08-12 11:43 639221318096976375
2020 ms 172.64.32.233
95 2026-08-12 11:43 639221318096976375
2020 ms 108.162.192.233
94 2026-08-12 11:43 639221318096976375
2020 ms 173.245.58.233
93 2026-08-12 11:27 639221308343145274
2045 ms 108.162.192.233
92 2026-08-12 11:27 639221308343145274
2045 ms 172.64.32.233
91 2026-08-12 11:27 639221308343145274
2045 ms 173.245.58.233
90 2026-08-12 10:35 639221277089610470
2020 ms 108.162.192.233
89 2026-08-12 10:35 639221277089610470
2020 ms 173.245.58.233
88 2026-08-12 10:35 639221277089610470
2020 ms 172.64.32.233
87 2026-08-12 10:19 639221267628136359
23 ms 108.162.192.233
86 2026-08-12 10:19 639221267628136359
23 ms 172.64.32.233
85 2026-08-12 10:19 639221267628136359
23 ms 173.245.58.233
84 2026-08-12 10:03 639221257907569952
4 ms 108.162.192.233
83 2026-08-12 10:03 639221257907569952
4 ms 172.64.32.233
82 2026-08-12 10:03 639221257907569952
4 ms 173.245.58.233
81 2026-08-12 09:47 639221248402420965
7 ms 108.162.192.233
80 2026-08-12 09:47 639221248402420965
7 ms 172.64.32.233
79 2026-08-12 09:47 639221248402420965
7 ms 173.245.58.233
78 2026-08-12 08:54 639221216797540533
5 ms 108.162.192.233
77 2026-08-12 08:54 639221216797540533
5 ms 172.64.32.233
76 2026-08-12 08:54 639221216797540533
5 ms 173.245.58.233
75 2026-08-12 08:39 639221207385792352
5 ms 108.162.192.233
74 2026-08-12 08:39 639221207385792352
5 ms 172.64.32.233
73 2026-08-12 08:39 639221207385792352
5 ms 173.245.58.233
72 2026-08-12 08:23 639221198078534844
5 ms 108.162.192.233
71 2026-08-12 08:23 639221198078534844
5 ms 172.64.32.233
70 2026-08-12 08:23 639221198078534844
5 ms 173.245.58.233
69 2026-08-12 08:07 639221188677585577
2018 ms 108.162.192.233
68 2026-08-12 08:07 639221188677585577
2018 ms 173.245.58.233
67 2026-08-12 08:07 639221188677585577
2018 ms 172.64.32.233
66 2026-08-12 07:15 639221157276484143
2014 ms 172.64.32.233
65 2026-08-12 07:15 639221157276484143
2014 ms 108.162.192.233
64 2026-08-12 07:15 639221157276484143
2014 ms 173.245.58.233
63 2026-08-12 06:59 639221147876262183
184 ms 108.162.192.233
62 2026-08-12 06:59 639221147876262183
184 ms 172.64.32.233
61 2026-08-12 06:59 639221147876262183
184 ms 173.245.58.233
60 2026-08-12 06:44 639221138388812469
2049 ms 172.64.32.233
59 2026-08-12 06:44 639221138388812469
2049 ms 173.245.58.233
58 2026-08-12 06:44 639221138388812469
2049 ms 108.162.192.233
57 2026-08-12 06:28 639221128987381118
151 ms 108.162.192.233
56 2026-08-12 06:28 639221128987381118
151 ms 172.64.32.233
55 2026-08-12 06:28 639221128987381118
151 ms 173.245.58.233
54 2026-08-12 05:36 639221097816416095
73 ms 108.162.192.233
53 2026-08-12 05:36 639221097816416095
73 ms 172.64.32.233
52 2026-08-12 05:36 639221097816416095
73 ms 173.245.58.233
51 2026-08-12 05:20 639221088508065616
2019 ms 172.64.32.233
50 2026-08-12 05:20 639221088508065616
2019 ms 108.162.192.233
49 2026-08-12 05:20 639221088508065616
2019 ms 173.245.58.233
48 2026-08-12 05:05 639221079092308503
52 ms 108.162.192.233
47 2026-08-12 05:05 639221079092308503
52 ms 173.245.58.233
46 2026-08-12 05:05 639221079092308503
52 ms 172.64.32.233
45 2026-08-12 04:49 639221069595873597
68 ms 108.162.192.233
44 2026-08-12 04:49 639221069595873597
68 ms 173.245.58.233
43 2026-08-12 04:49 639221069595873597
68 ms 172.64.32.233
42 2026-08-12 03:57 639221038601577496
8 ms 108.162.192.233
41 2026-08-12 03:57 639221038601577496
8 ms 172.64.32.233
40 2026-08-12 03:57 639221038601577496
8 ms 173.245.58.233
39 2026-08-12 03:42 639221029533901299
187 ms 108.162.192.233
38 2026-08-12 03:42 639221029533901299
187 ms 172.64.32.233
37 2026-08-12 03:42 639221029533901299
187 ms 173.245.58.233
36 2026-08-12 03:27 639221020333828965
115 ms 173.245.58.233
35 2026-08-12 03:27 639221020333828965
115 ms 172.64.32.233
34 2026-08-12 03:27 639221020333828965
115 ms 108.162.192.233
33 2026-08-12 03:11 639221011110510484
130 ms 108.162.192.233
32 2026-08-12 03:11 639221011110510484
130 ms 173.245.58.233
31 2026-08-12 03:11 639221011110510484
130 ms 172.64.32.233
30 2026-08-12 02:19 639220979815209769
7 ms 108.162.192.233
29 2026-08-12 02:19 639220979815209769
7 ms 172.64.32.233
28 2026-08-12 02:19 639220979815209769
7 ms 173.245.58.233
27 2026-08-12 02:04 639220970971410921
4 ms 108.162.192.233
26 2026-08-12 02:04 639220970971410921
4 ms 172.64.32.233
25 2026-08-12 02:04 639220970971410921
4 ms 173.245.58.233
24 2026-08-12 01:49 639220961848982361
4 ms 108.162.192.233
23 2026-08-12 01:49 639220961848982361
4 ms 172.64.32.233
22 2026-08-12 01:49 639220961848982361
4 ms 173.245.58.233
21 2026-08-12 01:34 639220952784591501
3 ms 108.162.192.233
20 2026-08-12 01:34 639220952784591501
3 ms 172.64.32.233
19 2026-08-12 01:34 639220952784591501
3 ms 173.245.58.233
18 2026-08-12 01:19 639220943893596731
3 ms 108.162.192.233
17 2026-08-12 01:19 639220943893596731
3 ms 172.64.32.233
16 2026-08-12 01:19 639220943893596731
3 ms 173.245.58.233
15 2026-08-12 01:04 639220934954704520
3 ms 108.162.192.233
14 2026-08-12 01:04 639220934954704520
3 ms 172.64.32.233
13 2026-08-12 01:04 639220934954704520
3 ms 173.245.58.233
12 2026-08-12 00:49 639220925792457751
35 ms 108.162.192.233
11 2026-08-12 00:49 639220925792457751
35 ms 173.245.58.233
10 2026-08-12 00:49 639220925792457751
35 ms 172.64.32.233
9 2026-08-12 00:34 639220916610063538
29 ms 108.162.192.233
8 2026-08-12 00:34 639220916610063538
29 ms 172.64.32.233
7 2026-08-12 00:34 639220916610063538
29 ms 173.245.58.233
6 2026-08-12 00:18 639220907229361754
11 ms 108.162.192.233
5 2026-08-12 00:18 639220907229361754
11 ms 172.64.32.233
4 2026-08-12 00:18 639220907229361754
11 ms 173.245.58.233
3 2026-08-12 00:03 639220897896762127
5 ms 108.162.192.233
2 2026-08-12 00:03 639220897896762127
5 ms 172.64.32.233
1 2026-08-12 00:03 639220897896762127
5 ms 173.245.58.233