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 2026-08-18. For this date, NameServerHistory found 225 DNS check records, 225 successful responses, 0 failed responses, and 128 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

128 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-18 23:46

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 2026-08-18 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 2026-08-18 23:46 639226935204800669
20 ms 108.162.192.233
224 2026-08-18 23:46 639226935204800669
20 ms 172.64.32.233
223 2026-08-18 23:46 639226935204800669
20 ms 173.245.58.233
222 2026-08-18 23:29 639226925298919497
26 ms 172.64.32.233
221 2026-08-18 23:29 639226925298919497
26 ms 108.162.192.233
220 2026-08-18 23:29 639226925298919497
26 ms 173.245.58.233
219 2026-08-18 23:13 639226915487885053
15 ms 108.162.192.233
218 2026-08-18 23:13 639226915487885053
15 ms 172.64.32.233
217 2026-08-18 23:13 639226915487885053
15 ms 173.245.58.233
216 2026-08-18 22:56 639226905465760034
6 ms 108.162.192.233
215 2026-08-18 22:56 639226905465760034
6 ms 172.64.32.233
214 2026-08-18 22:56 639226905465760034
6 ms 173.245.58.233
213 2026-08-18 22:39 639226895378104692
4 ms 108.162.192.233
212 2026-08-18 22:39 639226895378104692
4 ms 172.64.32.233
211 2026-08-18 22:39 639226895378104692
4 ms 173.245.58.233
210 2026-08-18 21:46 639226863374232622
3 ms 108.162.192.233
209 2026-08-18 21:46 639226863374232622
3 ms 172.64.32.233
208 2026-08-18 21:46 639226863374232622
3 ms 173.245.58.233
207 2026-08-18 21:30 639226853698516058
28 ms 108.162.192.233
206 2026-08-18 21:30 639226853698516058
28 ms 172.64.32.233
205 2026-08-18 21:30 639226853698516058
28 ms 173.245.58.233
204 2026-08-18 21:14 639226843797360601
2043 ms 108.162.192.233
203 2026-08-18 21:14 639226843797360601
2043 ms 172.64.32.233
202 2026-08-18 21:14 639226843797360601
2043 ms 173.245.58.233
201 2026-08-18 20:57 639226834046588155
36 ms 173.245.58.233
200 2026-08-18 20:57 639226834046588155
36 ms 172.64.32.233
199 2026-08-18 20:57 639226834046588155
36 ms 108.162.192.233
198 2026-08-18 20:41 639226824234488533
7 ms 172.64.32.233
197 2026-08-18 20:41 639226824234488533
7 ms 108.162.192.233
196 2026-08-18 20:41 639226824234488533
7 ms 173.245.58.233
195 2026-08-18 20:25 639226814549928621
36 ms 108.162.192.233
194 2026-08-18 20:25 639226814549928621
36 ms 172.64.32.233
193 2026-08-18 20:25 639226814549928621
36 ms 173.245.58.233
192 2026-08-18 20:08 639226804721432353
39 ms 108.162.192.233
191 2026-08-18 20:08 639226804721432353
39 ms 172.64.32.233
190 2026-08-18 20:08 639226804721432353
39 ms 173.245.58.233
189 2026-08-18 19:52 639226795048828184
18 ms 108.162.192.233
188 2026-08-18 19:52 639226795048828184
18 ms 172.64.32.233
187 2026-08-18 19:52 639226795048828184
18 ms 173.245.58.233
186 2026-08-18 19:36 639226785202482420
36 ms 172.64.32.233
185 2026-08-18 19:36 639226785202482420
36 ms 108.162.192.233
184 2026-08-18 19:36 639226785202482420
36 ms 173.245.58.233
183 2026-08-18 19:19 639226775309362607
30 ms 108.162.192.233
182 2026-08-18 19:19 639226775309362607
30 ms 172.64.32.233
181 2026-08-18 19:19 639226775309362607
30 ms 173.245.58.233
180 2026-08-18 19:03 639226765406586155
3 ms 108.162.192.233
179 2026-08-18 19:03 639226765406586155
3 ms 172.64.32.233
178 2026-08-18 19:03 639226765406586155
3 ms 173.245.58.233
177 2026-08-18 18:46 639226755437790519
15 ms 172.64.32.233
176 2026-08-18 18:46 639226755437790519
15 ms 108.162.192.233
175 2026-08-18 18:46 639226755437790519
15 ms 173.245.58.233
174 2026-08-18 17:53 639226723856194457
8 ms 108.162.192.233
173 2026-08-18 17:53 639226723856194457
8 ms 172.64.32.233
172 2026-08-18 17:53 639226723856194457
8 ms 173.245.58.233
171 2026-08-18 17:37 639226714050583422
4 ms 108.162.192.233
170 2026-08-18 17:37 639226714050583422
4 ms 172.64.32.233
169 2026-08-18 17:37 639226714050583422
4 ms 173.245.58.233
168 2026-08-18 17:21 639226704236499724
34 ms 173.245.58.233
167 2026-08-18 17:21 639226704236499724
34 ms 172.64.32.233
166 2026-08-18 17:21 639226704236499724
34 ms 108.162.192.233
165 2026-08-18 17:04 639226694184520163
4 ms 108.162.192.233
164 2026-08-18 17:04 639226694184520163
4 ms 172.64.32.233
163 2026-08-18 17:04 639226694184520163
4 ms 173.245.58.233
162 2026-08-18 16:47 639226684161203477
36 ms 108.162.192.233
161 2026-08-18 16:47 639226684161203477
36 ms 173.245.58.233
160 2026-08-18 16:47 639226684161203477
36 ms 172.64.32.233
159 2026-08-18 16:31 639226674305430109
35 ms 108.162.192.233
158 2026-08-18 16:31 639226674305430109
35 ms 172.64.32.233
157 2026-08-18 16:31 639226674305430109
35 ms 173.245.58.233
156 2026-08-18 16:15 639226664489607984
2027 ms 173.245.58.233
155 2026-08-18 16:15 639226664489607984
2027 ms 108.162.192.233
154 2026-08-18 16:15 639226664489607984
2027 ms 172.64.32.233
153 2026-08-18 15:58 639226654533111667
7 ms 108.162.192.233
152 2026-08-18 15:58 639226654533111667
7 ms 172.64.32.233
151 2026-08-18 15:58 639226654533111667
7 ms 173.245.58.233
150 2026-08-18 15:42 639226644778594725
25 ms 108.162.192.233
149 2026-08-18 15:42 639226644778594725
25 ms 172.64.32.233
148 2026-08-18 15:42 639226644778594725
25 ms 173.245.58.233
147 2026-08-18 15:25 639226634901553621
5 ms 108.162.192.233
146 2026-08-18 15:25 639226634901553621
5 ms 172.64.32.233
145 2026-08-18 15:25 639226634901553621
5 ms 173.245.58.233
144 2026-08-18 15:09 639226624921864967
34 ms 108.162.192.233
143 2026-08-18 15:09 639226624921864967
34 ms 172.64.32.233
142 2026-08-18 15:09 639226624921864967
34 ms 173.245.58.233
141 2026-08-18 14:52 639226614939419403
87 ms 173.245.58.233
140 2026-08-18 14:52 639226614939419403
87 ms 172.64.32.233
139 2026-08-18 14:52 639226614939419403
87 ms 108.162.192.233
138 2026-08-18 13:59 639226583021074771
8 ms 108.162.192.233
137 2026-08-18 13:59 639226583021074771
8 ms 172.64.32.233
136 2026-08-18 13:59 639226583021074771
8 ms 173.245.58.233
135 2026-08-18 13:43 639226573279933585
6 ms 108.162.192.233
134 2026-08-18 13:43 639226573279933585
6 ms 172.64.32.233
133 2026-08-18 13:43 639226573279933585
6 ms 173.245.58.233
132 2026-08-18 13:26 639226563494036301
4 ms 108.162.192.233
131 2026-08-18 13:26 639226563494036301
4 ms 172.64.32.233
130 2026-08-18 13:26 639226563494036301
4 ms 173.245.58.233
129 2026-08-18 13:10 639226553708216256
5 ms 108.162.192.233
128 2026-08-18 13:10 639226553708216256
5 ms 172.64.32.233
127 2026-08-18 13:10 639226553708216256
5 ms 173.245.58.233
126 2026-08-18 12:54 639226544003734815
23 ms 108.162.192.233
125 2026-08-18 12:54 639226544003734815
23 ms 172.64.32.233
124 2026-08-18 12:54 639226544003734815
23 ms 173.245.58.233
123 2026-08-18 12:37 639226534105733155
9 ms 173.245.58.233
122 2026-08-18 12:37 639226534105733155
9 ms 172.64.32.233
121 2026-08-18 12:37 639226534105733155
9 ms 108.162.192.233
120 2026-08-18 12:21 639226524298118898
5 ms 108.162.192.233
119 2026-08-18 12:21 639226524298118898
5 ms 172.64.32.233
118 2026-08-18 12:21 639226524298118898
5 ms 173.245.58.233
117 2026-08-18 12:05 639226514525195335
40 ms 108.162.192.233
116 2026-08-18 12:05 639226514525195335
40 ms 172.64.32.233
115 2026-08-18 12:05 639226514525195335
40 ms 173.245.58.233
114 2026-08-18 11:48 639226504703635320
2025 ms 173.245.58.233
113 2026-08-18 11:48 639226504703635320
2025 ms 172.64.32.233
112 2026-08-18 11:48 639226504703635320
2025 ms 108.162.192.233
111 2026-08-18 11:32 639226494737271720
17 ms 108.162.192.233
110 2026-08-18 11:32 639226494737271720
17 ms 173.245.58.233
109 2026-08-18 11:32 639226494737271720
17 ms 172.64.32.233
108 2026-08-18 11:15 639226485005027236
25 ms 108.162.192.233
107 2026-08-18 11:15 639226485005027236
25 ms 172.64.32.233
106 2026-08-18 11:15 639226485005027236
25 ms 173.245.58.233
105 2026-08-18 10:59 639226475133236105
28 ms 108.162.192.233
104 2026-08-18 10:59 639226475133236105
28 ms 172.64.32.233
103 2026-08-18 10:59 639226475133236105
28 ms 173.245.58.233
102 2026-08-18 10:05 639226442975077052
21 ms 108.162.192.233
101 2026-08-18 10:05 639226442975077052
21 ms 173.245.58.233
100 2026-08-18 10:05 639226442975077052
21 ms 172.64.32.233
99 2026-08-18 09:49 639226433317932039
29 ms 108.162.192.233
98 2026-08-18 09:49 639226433317932039
29 ms 172.64.32.233
97 2026-08-18 09:49 639226433317932039
29 ms 173.245.58.233
96 2026-08-18 09:33 639226423688431096
13 ms 108.162.192.233
95 2026-08-18 09:33 639226423688431096
13 ms 172.64.32.233
94 2026-08-18 09:33 639226423688431096
13 ms 173.245.58.233
93 2026-08-18 09:17 639226413998250045
39 ms 108.162.192.233
92 2026-08-18 09:17 639226413998250045
39 ms 172.64.32.233
91 2026-08-18 09:17 639226413998250045
39 ms 173.245.58.233
90 2026-08-18 09:01 639226404284554875
87 ms 108.162.192.233
89 2026-08-18 09:01 639226404284554875
87 ms 173.245.58.233
88 2026-08-18 09:01 639226404284554875
87 ms 172.64.32.233
87 2026-08-18 08:45 639226394637043309
47 ms 108.162.192.233
86 2026-08-18 08:45 639226394637043309
47 ms 172.64.32.233
85 2026-08-18 08:45 639226394637043309
47 ms 173.245.58.233
84 2026-08-18 08:29 639226385052447582
30 ms 108.162.192.233
83 2026-08-18 08:29 639226385052447582
30 ms 172.64.32.233
82 2026-08-18 08:29 639226385052447582
30 ms 173.245.58.233
81 2026-08-18 08:13 639226375506189603
9 ms 108.162.192.233
80 2026-08-18 08:13 639226375506189603
9 ms 172.64.32.233
79 2026-08-18 08:13 639226375506189603
9 ms 173.245.58.233
78 2026-08-18 07:57 639226365690646426
23 ms 172.64.32.233
77 2026-08-18 07:57 639226365690646426
23 ms 108.162.192.233
76 2026-08-18 07:57 639226365690646426
23 ms 173.245.58.233
75 2026-08-18 07:40 639226355771007701
15 ms 108.162.192.233
74 2026-08-18 07:40 639226355771007701
15 ms 173.245.58.233
73 2026-08-18 07:40 639226355771007701
15 ms 172.64.32.233
72 2026-08-18 07:24 639226345946269369
14 ms 108.162.192.233
71 2026-08-18 07:24 639226345946269369
14 ms 172.64.32.233
70 2026-08-18 07:24 639226345946269369
14 ms 173.245.58.233
69 2026-08-18 07:08 639226336241601848
3 ms 108.162.192.233
68 2026-08-18 07:08 639226336241601848
3 ms 172.64.32.233
67 2026-08-18 07:08 639226336241601848
3 ms 173.245.58.233
66 2026-08-18 06:15 639226304950675290
13 ms 108.162.192.233
65 2026-08-18 06:15 639226304950675290
13 ms 172.64.32.233
64 2026-08-18 06:15 639226304950675290
13 ms 173.245.58.233
63 2026-08-18 05:59 639226295324754616
65 ms 108.162.192.233
62 2026-08-18 05:59 639226295324754616
65 ms 172.64.32.233
61 2026-08-18 05:59 639226295324754616
65 ms 173.245.58.233
60 2026-08-18 05:43 639226285824640601
19 ms 108.162.192.233
59 2026-08-18 05:43 639226285824640601
19 ms 172.64.32.233
58 2026-08-18 05:43 639226285824640601
19 ms 173.245.58.233
57 2026-08-18 05:28 639226276321223917
12 ms 108.162.192.233
56 2026-08-18 05:28 639226276321223917
12 ms 173.245.58.233
55 2026-08-18 05:28 639226276321223917
12 ms 172.64.32.233
54 2026-08-18 05:12 639226266800200046
11 ms 108.162.192.233
53 2026-08-18 05:12 639226266800200046
11 ms 173.245.58.233
52 2026-08-18 05:12 639226266800200046
11 ms 172.64.32.233
51 2026-08-18 04:55 639226256958066164
24 ms 108.162.192.233
50 2026-08-18 04:55 639226256958066164
24 ms 172.64.32.233
49 2026-08-18 04:55 639226256958066164
24 ms 173.245.58.233
48 2026-08-18 04:39 639226247432364597
32 ms 108.162.192.233
47 2026-08-18 04:39 639226247432364597
32 ms 173.245.58.233
46 2026-08-18 04:39 639226247432364597
32 ms 172.64.32.233
45 2026-08-18 04:23 639226237703388552
5 ms 108.162.192.233
44 2026-08-18 04:23 639226237703388552
5 ms 172.64.32.233
43 2026-08-18 04:23 639226237703388552
5 ms 173.245.58.233
42 2026-08-18 04:07 639226227937569589
38 ms 108.162.192.233
41 2026-08-18 04:07 639226227937569589
38 ms 172.64.32.233
40 2026-08-18 04:07 639226227937569589
38 ms 173.245.58.233
39 2026-08-18 03:51 639226218052465471
13 ms 108.162.192.233
38 2026-08-18 03:51 639226218052465471
13 ms 173.245.58.233
37 2026-08-18 03:51 639226218052465471
13 ms 172.64.32.233
36 2026-08-18 03:34 639226208429623997
34 ms 108.162.192.233
35 2026-08-18 03:34 639226208429623997
34 ms 172.64.32.233
34 2026-08-18 03:34 639226208429623997
34 ms 173.245.58.233
33 2026-08-18 03:18 639226198800675295
3 ms 108.162.192.233
32 2026-08-18 03:18 639226198800675295
3 ms 172.64.32.233
31 2026-08-18 03:18 639226198800675295
3 ms 173.245.58.233
30 2026-08-18 02:27 639226167722042574
8 ms 108.162.192.233
29 2026-08-18 02:27 639226167722042574
8 ms 173.245.58.233
28 2026-08-18 02:27 639226167722042574
8 ms 172.64.32.233
27 2026-08-18 02:11 639226158277924383
4 ms 108.162.192.233
26 2026-08-18 02:11 639226158277924383
4 ms 172.64.32.233
25 2026-08-18 02:11 639226158277924383
4 ms 173.245.58.233
24 2026-08-18 01:55 639226148757810592
3 ms 108.162.192.233
23 2026-08-18 01:55 639226148757810592
3 ms 172.64.32.233
22 2026-08-18 01:55 639226148757810592
3 ms 173.245.58.233
21 2026-08-18 01:39 639226139348611045
7 ms 108.162.192.233
20 2026-08-18 01:39 639226139348611045
7 ms 172.64.32.233
19 2026-08-18 01:39 639226139348611045
7 ms 173.245.58.233
18 2026-08-18 01:24 639226129823462907
12 ms 108.162.192.233
17 2026-08-18 01:24 639226129823462907
12 ms 172.64.32.233
16 2026-08-18 01:24 639226129823462907
12 ms 173.245.58.233
15 2026-08-18 01:08 639226120218260005
7 ms 108.162.192.233
14 2026-08-18 01:08 639226120218260005
7 ms 172.64.32.233
13 2026-08-18 01:08 639226120218260005
7 ms 173.245.58.233
12 2026-08-18 00:52 639226110875503904
22 ms 108.162.192.233
11 2026-08-18 00:52 639226110875503904
22 ms 173.245.58.233
10 2026-08-18 00:52 639226110875503904
22 ms 172.64.32.233
9 2026-08-18 00:36 639226101376311912
11 ms 108.162.192.233
8 2026-08-18 00:36 639226101376311912
11 ms 173.245.58.233
7 2026-08-18 00:36 639226101376311912
11 ms 172.64.32.233
6 2026-08-18 00:20 639226091924943492
61 ms 173.245.58.233
5 2026-08-18 00:20 639226091924943492
61 ms 172.64.32.233
4 2026-08-18 00:20 639226091924943492
61 ms 108.162.192.233
3 2026-08-18 00:04 639226082133158124
2023 ms 108.162.192.233
2 2026-08-18 00:04 639226082133158124
2023 ms 173.245.58.233
1 2026-08-18 00:04 639226082133158124
2023 ms 172.64.32.233