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 2026-08-25. For this date, NameServerHistory found 187 DNS check records, 186 successful responses, 1 failed responses, and 151 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

187

Historical checks stored for this nameserver on selected date

Average Latency

151 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 21:28

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

1

Checks with no response or no returned latency

Failure Rate

1%

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 2026-08-25 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
187 2026-08-25 21:28 639232900747078453
7 ms 108.162.192.233
186 2026-08-25 21:28 639232900747078453
7 ms 172.64.32.233
185 2026-08-25 21:28 639232900747078453
7 ms 173.245.58.233
184 2026-08-25 21:11 639232890389222534
14 ms 172.64.32.233
183 2026-08-25 21:11 639232890389222534
14 ms 173.245.58.233
182 2026-08-25 21:11 639232890389222534
14 ms 108.162.192.233
181 2026-08-25 20:54 639232880143390843
11 ms 108.162.192.233
180 2026-08-25 20:54 639232880143390843
11 ms 172.64.32.233
179 2026-08-25 20:54 639232880143390843
11 ms 173.245.58.233
178 2026-08-25 20:37 639232869755024069
64 ms 108.162.192.233
177 2026-08-25 20:37 639232869755024069
64 ms 172.64.32.233
176 2026-08-25 20:37 639232869755024069
64 ms 173.245.58.233
175 2026-08-25 20:19 639232859355940346
2016 ms 173.245.58.233
174 2026-08-25 20:19 639232859355940346
2016 ms 172.64.32.233
173 2026-08-25 20:19 639232859355940346
2016 ms 108.162.192.233
172 2026-08-25 20:02 639232848992244953
7 ms 173.245.58.233
171 2026-08-25 20:02 639232848992244953
7 ms 108.162.192.233
170 2026-08-25 20:02 639232848992244953
7 ms 172.64.32.233
169 2026-08-25 19:45 639232838596478500
28 ms 108.162.192.233
168 2026-08-25 19:45 639232838596478500
28 ms 172.64.32.233
167 2026-08-25 19:45 639232838596478500
28 ms 173.245.58.233
166 2026-08-25 19:27 639232828175327683
10 ms 172.64.32.233
165 2026-08-25 19:27 639232828175327683
10 ms 173.245.58.233
164 2026-08-25 19:27 639232828175327683
10 ms 108.162.192.233
163 2026-08-25 19:10 639232817798330473
7 ms 172.64.32.233
162 2026-08-25 19:10 639232817798330473
7 ms 173.245.58.233
161 2026-08-25 19:10 639232817798330473
7 ms 108.162.192.233
160 2026-08-25 18:16 639232785462407552
31 ms 172.64.32.233
159 2026-08-25 18:16 639232785462407552
31 ms 108.162.192.233
158 2026-08-25 18:16 639232785462407552
31 ms 173.245.58.233
157 2026-08-25 17:59 639232775177487032
8 ms 172.64.32.233
156 2026-08-25 17:59 639232775177487032
8 ms 108.162.192.233
155 2026-08-25 17:59 639232775177487032
8 ms 173.245.58.233
154 2026-08-25 17:42 639232764991087115
12 ms 108.162.192.233
153 2026-08-25 17:42 639232764991087115
12 ms 172.64.32.233
152 2026-08-25 17:42 639232764991087115
12 ms 173.245.58.233
151 2026-08-25 17:25 639232754842971478
25 ms 108.162.192.233
150 2026-08-25 17:25 639232754842971478
25 ms 172.64.32.233
149 2026-08-25 17:25 639232754842971478
25 ms 173.245.58.233
148 2026-08-25 17:08 639232744455159107
33 ms 172.64.32.233
147 2026-08-25 17:08 639232744455159107
33 ms 108.162.192.233
146 2026-08-25 17:08 639232744455159107
33 ms 173.245.58.233
145 2026-08-25 16:51 639232734145178231
11 ms 172.64.32.233
144 2026-08-25 16:51 639232734145178231
11 ms 173.245.58.233
143 2026-08-25 16:51 639232734145178231
11 ms 108.162.192.233
142 2026-08-25 16:34 639232723827874402
56 ms 108.162.192.233
141 2026-08-25 16:34 639232723827874402
56 ms 172.64.32.233
140 2026-08-25 16:34 639232723827874402
56 ms 173.245.58.233
139 2026-08-25 16:16 639232713533011892
54 ms 172.64.32.233
138 2026-08-25 16:16 639232713533011892
54 ms 173.245.58.233
137 2026-08-25 16:16 639232713533011892
54 ms 108.162.192.233
136 2026-08-25 15:59 639232703065318207
2026 ms 172.64.32.233
135 2026-08-25 15:59 639232703065318207
2026 ms 173.245.58.233
134 2026-08-25 15:59 639232703065318207
2026 ms 108.162.192.233
133 2026-08-25 15:41 639232692629559470
10 ms 108.162.192.233
132 2026-08-25 15:41 639232692629559470
10 ms 173.245.58.233
131 2026-08-25 15:41 639232692629559470
10 ms 172.64.32.233
130 2026-08-25 15:24 639232682238836475
13 ms 108.162.192.233
129 2026-08-25 15:24 639232682238836475
13 ms 172.64.32.233
128 2026-08-25 15:24 639232682238836475
13 ms 173.245.58.233
127 2026-08-25 15:07 639232671787004306
55 ms 108.162.192.233
126 2026-08-25 15:07 639232671787004306
55 ms 172.64.32.233
125 2026-08-25 15:07 639232671787004306
55 ms 173.245.58.233
124 2026-08-25 14:12 639232638994329666
11 ms 173.245.58.233
123 2026-08-25 14:12 639232638994329666
11 ms 108.162.192.233
122 2026-08-25 14:12 639232638994329666
11 ms 172.64.32.233
121 2026-08-25 13:55 639232628614783237
30 ms 108.162.192.233
120 2026-08-25 13:55 639232628614783237
30 ms 172.64.32.233
119 2026-08-25 13:55 639232628614783237
30 ms 173.245.58.233
118 2026-08-25 13:38 639232618360728578
7 ms 108.162.192.233
117 2026-08-25 13:38 639232618360728578
7 ms 172.64.32.233
116 2026-08-25 13:38 639232618360728578
7 ms 173.245.58.233
115 2026-08-25 13:21 639232608016476376
16 ms 108.162.192.233
114 2026-08-25 13:21 639232608016476376
16 ms 172.64.32.233
113 2026-08-25 13:21 639232608016476376
16 ms 173.245.58.233
112 2026-08-25 13:03 639232597643611557
23 ms 172.64.32.233
111 2026-08-25 13:03 639232597643611557
23 ms 108.162.192.233
110 2026-08-25 13:03 639232597643611557
23 ms 173.245.58.233
109 2026-08-25 12:46 639232587225721862
38 ms 173.245.58.233
108 2026-08-25 12:46 639232587225721862
38 ms 172.64.32.233
107 2026-08-25 12:46 639232587225721862
38 ms 108.162.192.233
106 2026-08-25 12:28 639232576780683689
9 ms 108.162.192.233
105 2026-08-25 12:28 639232576780683689
9 ms 172.64.32.233
104 2026-08-25 12:28 639232576780683689
9 ms 173.245.58.233
103 2026-08-25 12:11 639232566381512620
29 ms 173.245.58.233
102 2026-08-25 12:11 639232566381512620
29 ms 108.162.192.233
101 2026-08-25 12:11 639232566381512620
29 ms 172.64.32.233
100 2026-08-25 11:54 639232556111768563
14 ms 108.162.192.233
99 2026-08-25 11:54 639232556111768563
14 ms 172.64.32.233
98 2026-08-25 11:54 639232556111768563
14 ms 173.245.58.233
97 2026-08-25 11:37 639232545839529039
6 ms 108.162.192.233
96 2026-08-25 11:37 639232545839529039
6 ms 172.64.32.233
95 2026-08-25 11:37 639232545839529039
6 ms 173.245.58.233
94 2026-08-25 11:19 639232535349285207
96 ms 172.64.32.233
93 2026-08-25 11:19 639232535349285207
96 ms 108.162.192.233
92 2026-08-25 11:19 639232535349285207
96 ms 173.245.58.233
91 2026-08-25 11:02 639232524938080723
13 ms 108.162.192.233
90 2026-08-25 11:02 639232524938080723
13 ms 173.245.58.233
89 2026-08-25 11:02 639232524938080723
13 ms 172.64.32.233
88 2026-08-25 10:08 639232492740373468
25 ms 173.245.58.233
87 2026-08-25 10:08 639232492740373468
25 ms 172.64.32.233
86 2026-08-25 10:08 639232492740373468
25 ms 108.162.192.233
85 2026-08-25 09:51 639232482235303141
2014 ms 108.162.192.233
84 2026-08-25 09:51 639232482235303141
2014 ms 173.245.58.233
83 2026-08-25 09:51 639232482235303141
2014 ms 172.64.32.233
82 2026-08-25 09:34 639232471861770303
5 ms 108.162.192.233
81 2026-08-25 09:34 639232471861770303
5 ms 172.64.32.233
80 2026-08-25 09:34 639232471861770303
5 ms 173.245.58.233
79 2026-08-25 09:17 639232461630217327
8 ms 108.162.192.233
78 2026-08-25 09:17 639232461630217327
8 ms 172.64.32.233
77 2026-08-25 09:17 639232461630217327
8 ms 173.245.58.233
76 2026-08-25 08:59 639232451282965990
6 ms 108.162.192.233
75 2026-08-25 08:59 639232451282965990
6 ms 172.64.32.233
74 2026-08-25 08:59 639232451282965990
6 ms 173.245.58.233
73 2026-08-25 08:42 639232440814614938
-
72 2026-08-25 08:24 639232430410720425
33 ms 108.162.192.233
71 2026-08-25 08:24 639232430410720425
33 ms 172.64.32.233
70 2026-08-25 08:24 639232430410720425
33 ms 173.245.58.233
69 2026-08-25 08:07 639232420003096185
6 ms 108.162.192.233
68 2026-08-25 08:07 639232420003096185
6 ms 172.64.32.233
67 2026-08-25 08:07 639232420003096185
6 ms 173.245.58.233
66 2026-08-25 07:50 639232409467287444
27 ms 108.162.192.233
65 2026-08-25 07:50 639232409467287444
27 ms 172.64.32.233
64 2026-08-25 07:50 639232409467287444
27 ms 173.245.58.233
63 2026-08-25 07:32 639232399077195997
6 ms 108.162.192.233
62 2026-08-25 07:32 639232399077195997
6 ms 172.64.32.233
61 2026-08-25 07:32 639232399077195997
6 ms 173.245.58.233
60 2026-08-25 07:15 639232388731528337
6 ms 108.162.192.233
59 2026-08-25 07:15 639232388731528337
6 ms 172.64.32.233
58 2026-08-25 07:15 639232388731528337
6 ms 173.245.58.233
57 2026-08-25 06:58 639232378288598612
29 ms 108.162.192.233
56 2026-08-25 06:58 639232378288598612
29 ms 172.64.32.233
55 2026-08-25 06:58 639232378288598612
29 ms 173.245.58.233
54 2026-08-25 06:04 639232346196373643
14 ms 108.162.192.233
53 2026-08-25 06:04 639232346196373643
14 ms 172.64.32.233
52 2026-08-25 06:04 639232346196373643
14 ms 173.245.58.233
51 2026-08-25 05:47 639232336112370741
28 ms 108.162.192.233
50 2026-08-25 05:47 639232336112370741
28 ms 172.64.32.233
49 2026-08-25 05:47 639232336112370741
28 ms 173.245.58.233
48 2026-08-25 05:31 639232326146508970
36 ms 172.64.32.233
47 2026-08-25 05:31 639232326146508970
36 ms 173.245.58.233
46 2026-08-25 05:31 639232326146508970
36 ms 108.162.192.233
45 2026-08-25 05:14 639232316189381720
49 ms 172.64.32.233
44 2026-08-25 05:14 639232316189381720
49 ms 108.162.192.233
43 2026-08-25 05:14 639232316189381720
49 ms 173.245.58.233
42 2026-08-25 04:57 639232306217998913
6 ms 108.162.192.233
41 2026-08-25 04:57 639232306217998913
6 ms 172.64.32.233
40 2026-08-25 04:57 639232306217998913
6 ms 173.245.58.233
39 2026-08-25 04:41 639232296255744174
20 ms 108.162.192.233
38 2026-08-25 04:41 639232296255744174
20 ms 172.64.32.233
37 2026-08-25 04:41 639232296255744174
20 ms 173.245.58.233
36 2026-08-25 04:24 639232286095760789
28 ms 173.245.58.233
35 2026-08-25 04:24 639232286095760789
28 ms 172.64.32.233
34 2026-08-25 04:24 639232286095760789
28 ms 108.162.192.233
33 2026-08-25 04:07 639232276086186273
38 ms 173.245.58.233
32 2026-08-25 04:07 639232276086186273
38 ms 108.162.192.233
31 2026-08-25 04:07 639232276086186273
38 ms 172.64.32.233
30 2026-08-25 03:50 639232265900986425
49 ms 173.245.58.233
29 2026-08-25 03:50 639232265900986425
49 ms 108.162.192.233
28 2026-08-25 03:50 639232265900986425
49 ms 172.64.32.233
27 2026-08-25 03:33 639232255723518075
7 ms 108.162.192.233
26 2026-08-25 03:33 639232255723518075
7 ms 172.64.32.233
25 2026-08-25 03:33 639232255723518075
7 ms 173.245.58.233
24 2026-08-25 03:16 639232245484452890
12 ms 108.162.192.233
23 2026-08-25 03:16 639232245484452890
12 ms 172.64.32.233
22 2026-08-25 03:16 639232245484452890
12 ms 173.245.58.233
21 2026-08-25 02:59 639232235157175331
22 ms 173.245.58.233
20 2026-08-25 02:59 639232235157175331
22 ms 108.162.192.233
19 2026-08-25 02:59 639232235157175331
22 ms 172.64.32.233
18 2026-08-25 02:06 639232203197189095
18 ms 172.64.32.233
17 2026-08-25 02:06 639232203197189095
18 ms 108.162.192.233
16 2026-08-25 02:06 639232203197189095
18 ms 173.245.58.233
15 2026-08-25 01:48 639232192844564298
24 ms 172.64.32.233
14 2026-08-25 01:48 639232192844564298
24 ms 108.162.192.233
13 2026-08-25 01:48 639232192844564298
24 ms 173.245.58.233
12 2026-08-25 01:31 639232182496008942
4 ms 108.162.192.233
11 2026-08-25 01:31 639232182496008942
4 ms 172.64.32.233
10 2026-08-25 01:31 639232182496008942
4 ms 173.245.58.233
9 2026-08-25 01:14 639232172197053132
19 ms 173.245.58.233
8 2026-08-25 01:14 639232172197053132
19 ms 108.162.192.233
7 2026-08-25 01:14 639232172197053132
19 ms 172.64.32.233
6 2026-08-25 00:21 639232140250307418
2011 ms 172.64.32.233
5 2026-08-25 00:21 639232140250307418
2011 ms 108.162.192.233
4 2026-08-25 00:21 639232140250307418
2011 ms 173.245.58.233
3 2026-08-25 00:04 639232129927860324
28 ms 108.162.192.233
2 2026-08-25 00:04 639232129927860324
28 ms 173.245.58.233
1 2026-08-25 00:04 639232129927860324
28 ms 172.64.32.233