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 2026-08-19. For this date, NameServerHistory found 225 DNS check records, 225 successful responses, 0 failed responses, and 105 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

225

Historical checks stored for this nameserver on selected date

Average Latency

105 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-19 23:56

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

225

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 2026-08-19 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
225 2026-08-19 23:56 639227805445376839
20 ms 108.162.192.233
224 2026-08-19 23:56 639227805445376839
20 ms 172.64.32.233
223 2026-08-19 23:56 639227805445376839
20 ms 173.245.58.233
222 2026-08-19 23:40 639227795899225951
3 ms 108.162.192.233
221 2026-08-19 23:40 639227795899225951
3 ms 172.64.32.233
220 2026-08-19 23:40 639227795899225951
3 ms 173.245.58.233
219 2026-08-19 23:24 639227786351762008
9 ms 108.162.192.233
218 2026-08-19 23:24 639227786351762008
9 ms 172.64.32.233
217 2026-08-19 23:24 639227786351762008
9 ms 173.245.58.233
216 2026-08-19 23:08 639227776640591733
44 ms 172.64.32.233
215 2026-08-19 23:08 639227776640591733
44 ms 173.245.58.233
214 2026-08-19 23:08 639227776640591733
44 ms 108.162.192.233
213 2026-08-19 22:52 639227767128841282
4 ms 108.162.192.233
212 2026-08-19 22:52 639227767128841282
4 ms 172.64.32.233
211 2026-08-19 22:52 639227767128841282
4 ms 173.245.58.233
210 2026-08-19 22:36 639227757477304711
5 ms 108.162.192.233
209 2026-08-19 22:36 639227757477304711
5 ms 172.64.32.233
208 2026-08-19 22:36 639227757477304711
5 ms 173.245.58.233
207 2026-08-19 22:20 639227747572098014
2038 ms 108.162.192.233
206 2026-08-19 22:20 639227747572098014
2038 ms 173.245.58.233
205 2026-08-19 22:20 639227747572098014
2038 ms 172.64.32.233
204 2026-08-19 22:03 639227737588613113
49 ms 108.162.192.233
203 2026-08-19 22:03 639227737588613113
49 ms 172.64.32.233
202 2026-08-19 22:03 639227737588613113
49 ms 173.245.58.233
201 2026-08-19 21:11 639227706134603955
2038 ms 173.245.58.233
200 2026-08-19 21:11 639227706134603955
2038 ms 172.64.32.233
199 2026-08-19 21:11 639227706134603955
2038 ms 108.162.192.233
198 2026-08-19 20:55 639227696589027396
13 ms 108.162.192.233
197 2026-08-19 20:55 639227696589027396
13 ms 172.64.32.233
196 2026-08-19 20:55 639227696589027396
13 ms 173.245.58.233
195 2026-08-19 20:39 639227687097707639
10 ms 108.162.192.233
194 2026-08-19 20:39 639227687097707639
10 ms 172.64.32.233
193 2026-08-19 20:39 639227687097707639
10 ms 173.245.58.233
192 2026-08-19 20:23 639227677474464487
11 ms 173.245.58.233
191 2026-08-19 20:23 639227677474464487
11 ms 108.162.192.233
190 2026-08-19 20:23 639227677474464487
11 ms 172.64.32.233
189 2026-08-19 20:07 639227667767441118
5 ms 108.162.192.233
188 2026-08-19 20:07 639227667767441118
5 ms 172.64.32.233
187 2026-08-19 20:07 639227667767441118
5 ms 173.245.58.233
186 2026-08-19 19:50 639227657984833832
9 ms 173.245.58.233
185 2026-08-19 19:50 639227657984833832
9 ms 172.64.32.233
184 2026-08-19 19:50 639227657984833832
9 ms 108.162.192.233
183 2026-08-19 19:34 639227648079992640
45 ms 108.162.192.233
182 2026-08-19 19:34 639227648079992640
45 ms 172.64.32.233
181 2026-08-19 19:34 639227648079992640
45 ms 173.245.58.233
180 2026-08-19 19:17 639227638125048441
4 ms 108.162.192.233
179 2026-08-19 19:17 639227638125048441
4 ms 172.64.32.233
178 2026-08-19 19:17 639227638125048441
4 ms 173.245.58.233
177 2026-08-19 19:01 639227628211392142
38 ms 108.162.192.233
176 2026-08-19 19:01 639227628211392142
38 ms 172.64.32.233
175 2026-08-19 19:01 639227628211392142
38 ms 173.245.58.233
174 2026-08-19 18:44 639227618261696275
7 ms 172.64.32.233
173 2026-08-19 18:44 639227618261696275
7 ms 108.162.192.233
172 2026-08-19 18:44 639227618261696275
7 ms 173.245.58.233
171 2026-08-19 18:28 639227608366233645
28 ms 173.245.58.233
170 2026-08-19 18:28 639227608366233645
28 ms 172.64.32.233
169 2026-08-19 18:28 639227608366233645
28 ms 108.162.192.233
168 2026-08-19 18:11 639227598301787588
14 ms 108.162.192.233
167 2026-08-19 18:11 639227598301787588
14 ms 172.64.32.233
166 2026-08-19 18:11 639227598301787588
14 ms 173.245.58.233
165 2026-08-19 17:18 639227566241010716
41 ms 108.162.192.233
164 2026-08-19 17:18 639227566241010716
41 ms 172.64.32.233
163 2026-08-19 17:18 639227566241010716
41 ms 173.245.58.233
162 2026-08-19 17:01 639227556454538959
60 ms 173.245.58.233
161 2026-08-19 17:01 639227556454538959
60 ms 172.64.32.233
160 2026-08-19 17:01 639227556454538959
60 ms 108.162.192.233
159 2026-08-19 16:45 639227546640305542
5 ms 108.162.192.233
158 2026-08-19 16:45 639227546640305542
5 ms 172.64.32.233
157 2026-08-19 16:45 639227546640305542
5 ms 173.245.58.233
156 2026-08-19 16:29 639227536965466472
110 ms 173.245.58.233
155 2026-08-19 16:29 639227536965466472
110 ms 172.64.32.233
154 2026-08-19 16:29 639227536965466472
110 ms 108.162.192.233
153 2026-08-19 16:12 639227527048658280
5 ms 108.162.192.233
152 2026-08-19 16:12 639227527048658280
5 ms 172.64.32.233
151 2026-08-19 16:12 639227527048658280
5 ms 173.245.58.233
150 2026-08-19 15:56 639227517386634438
47 ms 108.162.192.233
149 2026-08-19 15:56 639227517386634438
47 ms 172.64.32.233
148 2026-08-19 15:56 639227517386634438
47 ms 173.245.58.233
147 2026-08-19 15:40 639227507459551637
41 ms 108.162.192.233
146 2026-08-19 15:40 639227507459551637
41 ms 172.64.32.233
145 2026-08-19 15:40 639227507459551637
41 ms 173.245.58.233
144 2026-08-19 15:23 639227497515595277
26 ms 173.245.58.233
143 2026-08-19 15:23 639227497515595277
26 ms 108.162.192.233
142 2026-08-19 15:23 639227497515595277
26 ms 172.64.32.233
141 2026-08-19 15:06 639227487441798036
4 ms 108.162.192.233
140 2026-08-19 15:06 639227487441798036
4 ms 172.64.32.233
139 2026-08-19 15:06 639227487441798036
4 ms 173.245.58.233
138 2026-08-19 14:50 639227477445551863
30 ms 108.162.192.233
137 2026-08-19 14:50 639227477445551863
30 ms 172.64.32.233
136 2026-08-19 14:50 639227477445551863
30 ms 173.245.58.233
135 2026-08-19 14:33 639227467297067891
4 ms 108.162.192.233
134 2026-08-19 14:33 639227467297067891
4 ms 172.64.32.233
133 2026-08-19 14:33 639227467297067891
4 ms 173.245.58.233
132 2026-08-19 14:16 639227457057795635
79 ms 172.64.32.233
131 2026-08-19 14:16 639227457057795635
79 ms 108.162.192.233
130 2026-08-19 14:16 639227457057795635
79 ms 173.245.58.233
129 2026-08-19 13:23 639227425244777397
4 ms 108.162.192.233
128 2026-08-19 13:23 639227425244777397
4 ms 172.64.32.233
127 2026-08-19 13:23 639227425244777397
4 ms 173.245.58.233
126 2026-08-19 13:06 639227415422116485
11 ms 108.162.192.233
125 2026-08-19 13:06 639227415422116485
11 ms 172.64.32.233
124 2026-08-19 13:06 639227415422116485
11 ms 173.245.58.233
123 2026-08-19 12:49 639227405307256053
79 ms 108.162.192.233
122 2026-08-19 12:49 639227405307256053
79 ms 172.64.32.233
121 2026-08-19 12:49 639227405307256053
79 ms 173.245.58.233
120 2026-08-19 12:33 639227395396602630
12 ms 173.245.58.233
119 2026-08-19 12:33 639227395396602630
12 ms 172.64.32.233
118 2026-08-19 12:33 639227395396602630
12 ms 108.162.192.233
117 2026-08-19 12:16 639227385510363611
19 ms 108.162.192.233
116 2026-08-19 12:16 639227385510363611
19 ms 172.64.32.233
115 2026-08-19 12:16 639227385510363611
19 ms 173.245.58.233
114 2026-08-19 12:00 639227375508324850
45 ms 108.162.192.233
113 2026-08-19 12:00 639227375508324850
45 ms 172.64.32.233
112 2026-08-19 12:00 639227375508324850
45 ms 173.245.58.233
111 2026-08-19 11:43 639227365326611906
42 ms 108.162.192.233
110 2026-08-19 11:43 639227365326611906
42 ms 172.64.32.233
109 2026-08-19 11:43 639227365326611906
42 ms 173.245.58.233
108 2026-08-19 11:26 639227355360014208
17 ms 108.162.192.233
107 2026-08-19 11:26 639227355360014208
17 ms 172.64.32.233
106 2026-08-19 11:26 639227355360014208
17 ms 173.245.58.233
105 2026-08-19 11:09 639227345036782165
43 ms 108.162.192.233
104 2026-08-19 11:09 639227345036782165
43 ms 172.64.32.233
103 2026-08-19 11:09 639227345036782165
43 ms 173.245.58.233
102 2026-08-19 10:52 639227334992964533
34 ms 108.162.192.233
101 2026-08-19 10:52 639227334992964533
34 ms 172.64.32.233
100 2026-08-19 10:52 639227334992964533
34 ms 173.245.58.233
99 2026-08-19 10:35 639227324986605572
49 ms 173.245.58.233
98 2026-08-19 10:35 639227324986605572
49 ms 172.64.32.233
97 2026-08-19 10:35 639227324986605572
49 ms 108.162.192.233
96 2026-08-19 10:19 639227314928414539
9 ms 108.162.192.233
95 2026-08-19 10:19 639227314928414539
9 ms 172.64.32.233
94 2026-08-19 10:19 639227314928414539
9 ms 173.245.58.233
93 2026-08-19 09:25 639227283029182134
55 ms 108.162.192.233
92 2026-08-19 09:25 639227283029182134
55 ms 172.64.32.233
91 2026-08-19 09:25 639227283029182134
55 ms 173.245.58.233
90 2026-08-19 09:09 639227273294779350
31 ms 108.162.192.233
89 2026-08-19 09:09 639227273294779350
31 ms 172.64.32.233
88 2026-08-19 09:09 639227273294779350
31 ms 173.245.58.233
87 2026-08-19 08:53 639227263525231313
5 ms 108.162.192.233
86 2026-08-19 08:53 639227263525231313
5 ms 172.64.32.233
85 2026-08-19 08:53 639227263525231313
5 ms 173.245.58.233
84 2026-08-19 08:36 639227253578313363
4 ms 108.162.192.233
83 2026-08-19 08:36 639227253578313363
4 ms 172.64.32.233
82 2026-08-19 08:36 639227253578313363
4 ms 173.245.58.233
81 2026-08-19 08:20 639227243649973322
2058 ms 173.245.58.233
80 2026-08-19 08:20 639227243649973322
2058 ms 108.162.192.233
79 2026-08-19 08:20 639227243649973322
2058 ms 172.64.32.233
78 2026-08-19 08:03 639227233581059317
4 ms 108.162.192.233
77 2026-08-19 08:03 639227233581059317
4 ms 172.64.32.233
76 2026-08-19 08:03 639227233581059317
4 ms 173.245.58.233
75 2026-08-19 07:47 639227223667352067
27 ms 172.64.32.233
74 2026-08-19 07:47 639227223667352067
27 ms 173.245.58.233
73 2026-08-19 07:47 639227223667352067
27 ms 108.162.192.233
72 2026-08-19 07:30 639227213714837066
6 ms 108.162.192.233
71 2026-08-19 07:30 639227213714837066
6 ms 172.64.32.233
70 2026-08-19 07:30 639227213714837066
6 ms 173.245.58.233
69 2026-08-19 07:13 639227203701208496
13 ms 173.245.58.233
68 2026-08-19 07:13 639227203701208496
13 ms 172.64.32.233
67 2026-08-19 07:13 639227203701208496
13 ms 108.162.192.233
66 2026-08-19 06:57 639227193643202179
10 ms 172.64.32.233
65 2026-08-19 06:57 639227193643202179
10 ms 173.245.58.233
64 2026-08-19 06:57 639227193643202179
10 ms 108.162.192.233
63 2026-08-19 06:40 639227183584431597
4 ms 108.162.192.233
62 2026-08-19 06:40 639227183584431597
4 ms 172.64.32.233
61 2026-08-19 06:40 639227183584431597
4 ms 173.245.58.233
60 2026-08-19 06:23 639227173347403088
11 ms 108.162.192.233
59 2026-08-19 06:23 639227173347403088
11 ms 173.245.58.233
58 2026-08-19 06:23 639227173347403088
11 ms 172.64.32.233
57 2026-08-19 05:30 639227141523007601
40 ms 173.245.58.233
56 2026-08-19 05:30 639227141523007601
40 ms 108.162.192.233
55 2026-08-19 05:30 639227141523007601
40 ms 172.64.32.233
54 2026-08-19 05:13 639227131785931574
15 ms 108.162.192.233
53 2026-08-19 05:13 639227131785931574
15 ms 173.245.58.233
52 2026-08-19 05:13 639227131785931574
15 ms 172.64.32.233
51 2026-08-19 04:57 639227122176475389
26 ms 173.245.58.233
50 2026-08-19 04:57 639227122176475389
26 ms 172.64.32.233
49 2026-08-19 04:57 639227122176475389
26 ms 108.162.192.233
48 2026-08-19 04:42 639227112668934596
47 ms 108.162.192.233
47 2026-08-19 04:42 639227112668934596
47 ms 173.245.58.233
46 2026-08-19 04:42 639227112668934596
47 ms 172.64.32.233
45 2026-08-19 04:25 639227102773292788
31 ms 173.245.58.233
44 2026-08-19 04:25 639227102773292788
31 ms 172.64.32.233
43 2026-08-19 04:25 639227102773292788
31 ms 108.162.192.233
42 2026-08-19 04:09 639227093141136930
32 ms 172.64.32.233
41 2026-08-19 04:09 639227093141136930
32 ms 173.245.58.233
40 2026-08-19 04:09 639227093141136930
32 ms 108.162.192.233
39 2026-08-19 03:53 639227083449420147
8 ms 173.245.58.233
38 2026-08-19 03:53 639227083449420147
8 ms 172.64.32.233
37 2026-08-19 03:53 639227083449420147
8 ms 108.162.192.233
36 2026-08-19 03:37 639227073771748493
27 ms 173.245.58.233
35 2026-08-19 03:37 639227073771748493
27 ms 172.64.32.233
34 2026-08-19 03:37 639227073771748493
27 ms 108.162.192.233
33 2026-08-19 03:20 639227063977347614
10 ms 108.162.192.233
32 2026-08-19 03:20 639227063977347614
10 ms 172.64.32.233
31 2026-08-19 03:20 639227063977347614
10 ms 173.245.58.233
30 2026-08-19 03:04 639227054253519024
31 ms 108.162.192.233
29 2026-08-19 03:04 639227054253519024
31 ms 173.245.58.233
28 2026-08-19 03:04 639227054253519024
31 ms 172.64.32.233
27 2026-08-19 02:48 639227044381963886
5 ms 108.162.192.233
26 2026-08-19 02:48 639227044381963886
5 ms 172.64.32.233
25 2026-08-19 02:48 639227044381963886
5 ms 173.245.58.233
24 2026-08-19 02:31 639227034441085514
24 ms 172.64.32.233
23 2026-08-19 02:31 639227034441085514
24 ms 108.162.192.233
22 2026-08-19 02:31 639227034441085514
24 ms 173.245.58.233
21 2026-08-19 01:39 639227003126489968
5 ms 108.162.192.233
20 2026-08-19 01:39 639227003126489968
5 ms 172.64.32.233
19 2026-08-19 01:39 639227003126489968
5 ms 173.245.58.233
18 2026-08-19 01:23 639226993456311614
4 ms 108.162.192.233
17 2026-08-19 01:23 639226993456311614
4 ms 172.64.32.233
16 2026-08-19 01:23 639226993456311614
4 ms 173.245.58.233
15 2026-08-19 01:07 639226983847312345
26 ms 108.162.192.233
14 2026-08-19 01:07 639226983847312345
26 ms 172.64.32.233
13 2026-08-19 01:07 639226983847312345
26 ms 173.245.58.233
12 2026-08-19 00:51 639226974357874853
28 ms 108.162.192.233
11 2026-08-19 00:51 639226974357874853
28 ms 172.64.32.233
10 2026-08-19 00:51 639226974357874853
28 ms 173.245.58.233
9 2026-08-19 00:35 639226964670484721
40 ms 108.162.192.233
8 2026-08-19 00:35 639226964670484721
40 ms 172.64.32.233
7 2026-08-19 00:35 639226964670484721
40 ms 173.245.58.233
6 2026-08-19 00:19 639226954857899696
23 ms 108.162.192.233
5 2026-08-19 00:19 639226954857899696
23 ms 172.64.32.233
4 2026-08-19 00:19 639226954857899696
23 ms 173.245.58.233
3 2026-08-19 00:02 639226945091603488
2 ms 108.162.192.233
2 2026-08-19 00:02 639226945091603488
2 ms 172.64.32.233
1 2026-08-19 00:02 639226945091603488
2 ms 173.245.58.233