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 2026-08-24. For this date, NameServerHistory found 168 DNS check records, 168 successful responses, 0 failed responses, and 196 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

168

Historical checks stored for this nameserver on selected date

Average Latency

196 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-24 23:46

All timestamps shown in UTC

Latest Resolved IP on Selected Date

172.64.32.233

Most recently resolved hosting IP on selected date

Successful Responses

168

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 2026-08-24 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
168 2026-08-24 23:46 639232119551972438
8 ms 172.64.32.233
167 2026-08-24 23:46 639232119551972438
8 ms 108.162.192.233
166 2026-08-24 23:46 639232119551972438
8 ms 173.245.58.233
165 2026-08-24 23:29 639232109112567473
10 ms 108.162.192.233
164 2026-08-24 23:29 639232109112567473
10 ms 172.64.32.233
163 2026-08-24 23:29 639232109112567473
10 ms 173.245.58.233
162 2026-08-24 22:36 639232077430823987
45 ms 108.162.192.233
161 2026-08-24 22:36 639232077430823987
45 ms 172.64.32.233
160 2026-08-24 22:36 639232077430823987
45 ms 173.245.58.233
159 2026-08-24 22:19 639232067340513033
7 ms 108.162.192.233
158 2026-08-24 22:19 639232067340513033
7 ms 172.64.32.233
157 2026-08-24 22:19 639232067340513033
7 ms 173.245.58.233
156 2026-08-24 22:02 639232057157944387
6 ms 108.162.192.233
155 2026-08-24 22:02 639232057157944387
6 ms 172.64.32.233
154 2026-08-24 22:02 639232057157944387
6 ms 173.245.58.233
153 2026-08-24 21:45 639232046895282144
10 ms 172.64.32.233
152 2026-08-24 21:45 639232046895282144
10 ms 108.162.192.233
151 2026-08-24 21:45 639232046895282144
10 ms 173.245.58.233
150 2026-08-24 20:51 639232014356623395
30 ms 108.162.192.233
149 2026-08-24 20:51 639232014356623395
30 ms 173.245.58.233
148 2026-08-24 20:51 639232014356623395
30 ms 172.64.32.233
147 2026-08-24 20:34 639232004177831322
4 ms 108.162.192.233
146 2026-08-24 20:34 639232004177831322
4 ms 172.64.32.233
145 2026-08-24 20:34 639232004177831322
4 ms 173.245.58.233
144 2026-08-24 20:17 639231993997863976
7 ms 108.162.192.233
143 2026-08-24 20:17 639231993997863976
7 ms 172.64.32.233
142 2026-08-24 20:17 639231993997863976
7 ms 173.245.58.233
141 2026-08-24 20:00 639231983967363696
3 ms 108.162.192.233
140 2026-08-24 20:00 639231983967363696
3 ms 172.64.32.233
139 2026-08-24 20:00 639231983967363696
3 ms 173.245.58.233
138 2026-08-24 19:08 639231952257842845
13 ms 108.162.192.233
137 2026-08-24 19:08 639231952257842845
13 ms 172.64.32.233
136 2026-08-24 19:08 639231952257842845
13 ms 173.245.58.233
135 2026-08-24 18:51 639231942277816756
5 ms 108.162.192.233
134 2026-08-24 18:51 639231942277816756
5 ms 172.64.32.233
133 2026-08-24 18:51 639231942277816756
5 ms 173.245.58.233
132 2026-08-24 18:34 639231932094180724
24 ms 108.162.192.233
131 2026-08-24 18:34 639231932094180724
24 ms 172.64.32.233
130 2026-08-24 18:34 639231932094180724
24 ms 173.245.58.233
129 2026-08-24 18:17 639231922041034838
25 ms 108.162.192.233
128 2026-08-24 18:17 639231922041034838
25 ms 172.64.32.233
127 2026-08-24 18:17 639231922041034838
25 ms 173.245.58.233
126 2026-08-24 17:25 639231890488117536
4 ms 108.162.192.233
125 2026-08-24 17:25 639231890488117536
4 ms 172.64.32.233
124 2026-08-24 17:25 639231890488117536
4 ms 173.245.58.233
123 2026-08-24 17:08 639231880574255543
2038 ms 172.64.32.233
122 2026-08-24 17:08 639231880574255543
2038 ms 108.162.192.233
121 2026-08-24 17:08 639231880574255543
2038 ms 173.245.58.233
120 2026-08-24 16:51 639231870418029045
26 ms 173.245.58.233
119 2026-08-24 16:51 639231870418029045
26 ms 172.64.32.233
118 2026-08-24 16:51 639231870418029045
26 ms 108.162.192.233
117 2026-08-24 16:34 639231860258429562
4 ms 108.162.192.233
116 2026-08-24 16:34 639231860258429562
4 ms 172.64.32.233
115 2026-08-24 16:34 639231860258429562
4 ms 173.245.58.233
114 2026-08-24 15:41 639231828211839931
31 ms 173.245.58.233
113 2026-08-24 15:41 639231828211839931
31 ms 108.162.192.233
112 2026-08-24 15:41 639231828211839931
31 ms 172.64.32.233
111 2026-08-24 15:24 639231818080917481
2053 ms 108.162.192.233
110 2026-08-24 15:24 639231818080917481
2053 ms 172.64.32.233
109 2026-08-24 15:24 639231818080917481
2053 ms 173.245.58.233
108 2026-08-24 15:07 639231807961539652
5 ms 108.162.192.233
107 2026-08-24 15:07 639231807961539652
5 ms 172.64.32.233
106 2026-08-24 15:07 639231807961539652
5 ms 173.245.58.233
105 2026-08-24 14:50 639231797631669865
11 ms 173.245.58.233
104 2026-08-24 14:50 639231797631669865
11 ms 108.162.192.233
103 2026-08-24 14:50 639231797631669865
11 ms 172.64.32.233
102 2026-08-24 13:57 639231765923559455
5 ms 108.162.192.233
101 2026-08-24 13:57 639231765923559455
5 ms 172.64.32.233
100 2026-08-24 13:57 639231765923559455
5 ms 173.245.58.233
99 2026-08-24 13:40 639231755868832964
27 ms 108.162.192.233
98 2026-08-24 13:40 639231755868832964
27 ms 172.64.32.233
97 2026-08-24 13:40 639231755868832964
27 ms 173.245.58.233
96 2026-08-24 13:23 639231745628278877
36 ms 108.162.192.233
95 2026-08-24 13:23 639231745628278877
36 ms 172.64.32.233
94 2026-08-24 13:23 639231745628278877
36 ms 173.245.58.233
93 2026-08-24 13:06 639231735407682062
27 ms 108.162.192.233
92 2026-08-24 13:06 639231735407682062
27 ms 172.64.32.233
91 2026-08-24 13:06 639231735407682062
27 ms 173.245.58.233
90 2026-08-24 12:14 639231703815441688
5 ms 108.162.192.233
89 2026-08-24 12:14 639231703815441688
5 ms 172.64.32.233
88 2026-08-24 12:14 639231703815441688
5 ms 173.245.58.233
87 2026-08-24 11:57 639231693747052549
11 ms 108.162.192.233
86 2026-08-24 11:57 639231693747052549
11 ms 172.64.32.233
85 2026-08-24 11:57 639231693747052549
11 ms 173.245.58.233
84 2026-08-24 11:40 639231683712487276
40 ms 173.245.58.233
83 2026-08-24 11:40 639231683712487276
40 ms 108.162.192.233
82 2026-08-24 11:40 639231683712487276
40 ms 172.64.32.233
81 2026-08-24 11:23 639231673513573868
25 ms 108.162.192.233
80 2026-08-24 11:23 639231673513573868
25 ms 172.64.32.233
79 2026-08-24 11:23 639231673513573868
25 ms 173.245.58.233
78 2026-08-24 10:30 639231641791249939
2049 ms 173.245.58.233
77 2026-08-24 10:30 639231641791249939
2049 ms 108.162.192.233
76 2026-08-24 10:30 639231641791249939
2049 ms 172.64.32.233
75 2026-08-24 10:14 639231631866211033
8 ms 108.162.192.233
74 2026-08-24 10:14 639231631866211033
8 ms 172.64.32.233
73 2026-08-24 10:14 639231631866211033
8 ms 173.245.58.233
72 2026-08-24 09:56 639231621644955316
6 ms 108.162.192.233
71 2026-08-24 09:56 639231621644955316
6 ms 172.64.32.233
70 2026-08-24 09:56 639231621644955316
6 ms 173.245.58.233
69 2026-08-24 09:40 639231611478799259
4010 ms 173.245.58.233
68 2026-08-24 09:40 639231611478799259
4010 ms 108.162.192.233
67 2026-08-24 09:40 639231611478799259
4010 ms 172.64.32.233
66 2026-08-24 08:47 639231579923718211
15 ms 108.162.192.233
65 2026-08-24 08:47 639231579923718211
15 ms 172.64.32.233
64 2026-08-24 08:47 639231579923718211
15 ms 173.245.58.233
63 2026-08-24 08:30 639231569810702936
15 ms 108.162.192.233
62 2026-08-24 08:30 639231569810702936
15 ms 172.64.32.233
61 2026-08-24 08:30 639231569810702936
15 ms 173.245.58.233
60 2026-08-24 08:13 639231559762411619
26 ms 173.245.58.233
59 2026-08-24 08:13 639231559762411619
26 ms 172.64.32.233
58 2026-08-24 08:13 639231559762411619
26 ms 108.162.192.233
57 2026-08-24 07:57 639231549663595407
33 ms 108.162.192.233
56 2026-08-24 07:57 639231549663595407
33 ms 173.245.58.233
55 2026-08-24 07:57 639231549663595407
33 ms 172.64.32.233
54 2026-08-24 07:04 639231518076817246
21 ms 108.162.192.233
53 2026-08-24 07:04 639231518076817246
21 ms 172.64.32.233
52 2026-08-24 07:04 639231518076817246
21 ms 173.245.58.233
51 2026-08-24 06:47 639231508078650885
4 ms 108.162.192.233
50 2026-08-24 06:47 639231508078650885
4 ms 172.64.32.233
49 2026-08-24 06:47 639231508078650885
4 ms 173.245.58.233
48 2026-08-24 06:31 639231498210697093
4 ms 108.162.192.233
47 2026-08-24 06:31 639231498210697093
4 ms 172.64.32.233
46 2026-08-24 06:31 639231498210697093
4 ms 173.245.58.233
45 2026-08-24 06:14 639231488109699360
10 ms 108.162.192.233
44 2026-08-24 06:14 639231488109699360
10 ms 172.64.32.233
43 2026-08-24 06:14 639231488109699360
10 ms 173.245.58.233
42 2026-08-24 05:22 639231456772510692
10 ms 108.162.192.233
41 2026-08-24 05:22 639231456772510692
10 ms 172.64.32.233
40 2026-08-24 05:22 639231456772510692
10 ms 173.245.58.233
39 2026-08-24 05:06 639231447084631185
3 ms 108.162.192.233
38 2026-08-24 05:06 639231447084631185
3 ms 172.64.32.233
37 2026-08-24 05:06 639231447084631185
3 ms 173.245.58.233
36 2026-08-24 04:49 639231437208519473
39 ms 108.162.192.233
35 2026-08-24 04:49 639231437208519473
39 ms 173.245.58.233
34 2026-08-24 04:49 639231437208519473
39 ms 172.64.32.233
33 2026-08-24 04:32 639231427209627490
17 ms 108.162.192.233
32 2026-08-24 04:32 639231427209627490
17 ms 172.64.32.233
31 2026-08-24 04:32 639231427209627490
17 ms 173.245.58.233
30 2026-08-24 03:40 639231395791246644
15 ms 173.245.58.233
29 2026-08-24 03:40 639231395791246644
15 ms 172.64.32.233
28 2026-08-24 03:40 639231395791246644
15 ms 108.162.192.233
27 2026-08-24 03:24 639231386075551458
4 ms 108.162.192.233
26 2026-08-24 03:24 639231386075551458
4 ms 172.64.32.233
25 2026-08-24 03:24 639231386075551458
4 ms 173.245.58.233
24 2026-08-24 03:07 639231376208713791
4 ms 108.162.192.233
23 2026-08-24 03:07 639231376208713791
4 ms 172.64.32.233
22 2026-08-24 03:07 639231376208713791
4 ms 173.245.58.233
21 2026-08-24 02:51 639231366170589276
39 ms 108.162.192.233
20 2026-08-24 02:51 639231366170589276
39 ms 173.245.58.233
19 2026-08-24 02:51 639231366170589276
39 ms 172.64.32.233
18 2026-08-24 01:58 639231334732159368
10 ms 108.162.192.233
17 2026-08-24 01:58 639231334732159368
10 ms 172.64.32.233
16 2026-08-24 01:58 639231334732159368
10 ms 173.245.58.233
15 2026-08-24 01:42 639231325035670078
3 ms 108.162.192.233
14 2026-08-24 01:42 639231325035670078
3 ms 172.64.32.233
13 2026-08-24 01:42 639231325035670078
3 ms 173.245.58.233
12 2026-08-24 01:26 639231315132253837
25 ms 108.162.192.233
11 2026-08-24 01:26 639231315132253837
25 ms 172.64.32.233
10 2026-08-24 01:26 639231315132253837
25 ms 173.245.58.233
9 2026-08-24 01:09 639231305014280808
8 ms 108.162.192.233
8 2026-08-24 01:09 639231305014280808
8 ms 172.64.32.233
7 2026-08-24 01:09 639231305014280808
8 ms 173.245.58.233
6 2026-08-24 00:17 639231273779380675
37 ms 172.64.32.233
5 2026-08-24 00:17 639231273779380675
37 ms 173.245.58.233
4 2026-08-24 00:17 639231273779380675
37 ms 108.162.192.233
3 2026-08-24 00:01 639231264180839154
24 ms 108.162.192.233
2 2026-08-24 00:01 639231264180839154
24 ms 172.64.32.233
1 2026-08-24 00:01 639231264180839154
24 ms 173.245.58.233