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 2026-08-08. For this date, NameServerHistory found 192 DNS check records, 192 successful responses, 0 failed responses, and 266 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

192

Historical checks stored for this nameserver on selected date

Average Latency

266 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-08 23:57

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

192

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 2026-08-08 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
192 2026-08-08 23:57 639218300987184335
6 ms 108.162.192.233
191 2026-08-08 23:57 639218300987184335
6 ms 172.64.32.233
190 2026-08-08 23:57 639218300987184335
6 ms 173.245.58.233
189 2026-08-08 23:42 639218291874134258
42 ms 173.245.58.233
188 2026-08-08 23:42 639218291874134258
42 ms 108.162.192.233
187 2026-08-08 23:42 639218291874134258
42 ms 172.64.32.233
186 2026-08-08 23:27 639218282817785496
17 ms 108.162.192.233
185 2026-08-08 23:27 639218282817785496
17 ms 172.64.32.233
184 2026-08-08 23:27 639218282817785496
17 ms 173.245.58.233
183 2026-08-08 22:36 639218252106422334
50 ms 108.162.192.233
182 2026-08-08 22:36 639218252106422334
50 ms 172.64.32.233
181 2026-08-08 22:36 639218252106422334
50 ms 173.245.58.233
180 2026-08-08 22:21 639218243323944113
15 ms 108.162.192.233
179 2026-08-08 22:21 639218243323944113
15 ms 172.64.32.233
178 2026-08-08 22:21 639218243323944113
15 ms 173.245.58.233
177 2026-08-08 22:06 639218234397020230
11 ms 108.162.192.233
176 2026-08-08 22:06 639218234397020230
11 ms 172.64.32.233
175 2026-08-08 22:06 639218234397020230
11 ms 173.245.58.233
174 2026-08-08 21:51 639218225412858763
4 ms 108.162.192.233
173 2026-08-08 21:51 639218225412858763
4 ms 172.64.32.233
172 2026-08-08 21:51 639218225412858763
4 ms 173.245.58.233
171 2026-08-08 21:00 639218194282616684
8 ms 108.162.192.233
170 2026-08-08 21:00 639218194282616684
8 ms 172.64.32.233
169 2026-08-08 21:00 639218194282616684
8 ms 173.245.58.233
168 2026-08-08 20:45 639218185036989606
5 ms 108.162.192.233
167 2026-08-08 20:45 639218185036989606
5 ms 172.64.32.233
166 2026-08-08 20:45 639218185036989606
5 ms 173.245.58.233
165 2026-08-08 20:29 639218175974363575
34 ms 173.245.58.233
164 2026-08-08 20:29 639218175974363575
34 ms 108.162.192.233
163 2026-08-08 20:29 639218175974363575
34 ms 172.64.32.233
162 2026-08-08 20:14 639218166972644815
10 ms 108.162.192.233
161 2026-08-08 20:14 639218166972644815
10 ms 172.64.32.233
160 2026-08-08 20:14 639218166972644815
10 ms 173.245.58.233
159 2026-08-08 19:23 639218135900313734
13 ms 108.162.192.233
158 2026-08-08 19:23 639218135900313734
13 ms 172.64.32.233
157 2026-08-08 19:23 639218135900313734
13 ms 173.245.58.233
156 2026-08-08 19:08 639218127088470726
5 ms 108.162.192.233
155 2026-08-08 19:08 639218127088470726
5 ms 172.64.32.233
154 2026-08-08 19:08 639218127088470726
5 ms 173.245.58.233
153 2026-08-08 18:53 639218118310406743
3 ms 108.162.192.233
152 2026-08-08 18:53 639218118310406743
3 ms 172.64.32.233
151 2026-08-08 18:53 639218118310406743
3 ms 173.245.58.233
150 2026-08-08 18:38 639218109452520238
4 ms 108.162.192.233
149 2026-08-08 18:38 639218109452520238
4 ms 172.64.32.233
148 2026-08-08 18:38 639218109452520238
4 ms 173.245.58.233
147 2026-08-08 17:47 639218078440804962
17 ms 108.162.192.233
146 2026-08-08 17:47 639218078440804962
17 ms 172.64.32.233
145 2026-08-08 17:47 639218078440804962
17 ms 173.245.58.233
144 2026-08-08 17:33 639218069827056995
2009 ms 172.64.32.233
143 2026-08-08 17:33 639218069827056995
2009 ms 173.245.58.233
142 2026-08-08 17:33 639218069827056995
2009 ms 108.162.192.233
141 2026-08-08 17:18 639218060928974999
17 ms 108.162.192.233
140 2026-08-08 17:18 639218060928974999
17 ms 172.64.32.233
139 2026-08-08 17:18 639218060928974999
17 ms 173.245.58.233
138 2026-08-08 17:03 639218052072104591
7 ms 173.245.58.233
137 2026-08-08 17:03 639218052072104591
7 ms 172.64.32.233
136 2026-08-08 17:03 639218052072104591
7 ms 108.162.192.233
135 2026-08-08 16:10 639218021131612993
8 ms 173.245.58.233
134 2026-08-08 16:10 639218021131612993
8 ms 108.162.192.233
133 2026-08-08 16:10 639218021131612993
8 ms 172.64.32.233
132 2026-08-08 15:55 639218012544891033
21 ms 108.162.192.233
131 2026-08-08 15:55 639218012544891033
21 ms 172.64.32.233
130 2026-08-08 15:55 639218012544891033
21 ms 173.245.58.233
129 2026-08-08 15:41 639218003733822367
7 ms 108.162.192.233
128 2026-08-08 15:41 639218003733822367
7 ms 172.64.32.233
127 2026-08-08 15:41 639218003733822367
7 ms 173.245.58.233
126 2026-08-08 15:26 639217994998349201
5 ms 108.162.192.233
125 2026-08-08 15:26 639217994998349201
5 ms 172.64.32.233
124 2026-08-08 15:26 639217994998349201
5 ms 173.245.58.233
123 2026-08-08 14:34 639217963788814319
35 ms 173.245.58.233
122 2026-08-08 14:34 639217963788814319
35 ms 108.162.192.233
121 2026-08-08 14:34 639217963788814319
35 ms 172.64.32.233
120 2026-08-08 14:20 639217955087396874
2035 ms 173.245.58.233
119 2026-08-08 14:20 639217955087396874
2035 ms 108.162.192.233
118 2026-08-08 14:20 639217955087396874
2035 ms 172.64.32.233
117 2026-08-08 14:05 639217946350294952
24 ms 108.162.192.233
116 2026-08-08 14:05 639217946350294952
24 ms 172.64.32.233
115 2026-08-08 14:05 639217946350294952
24 ms 173.245.58.233
114 2026-08-08 13:50 639217937526020436
2013 ms 108.162.192.233
113 2026-08-08 13:50 639217937526020436
2013 ms 172.64.32.233
112 2026-08-08 13:50 639217937526020436
2013 ms 173.245.58.233
111 2026-08-08 12:59 639217906769667024
2018 ms 172.64.32.233
110 2026-08-08 12:59 639217906769667024
2018 ms 108.162.192.233
109 2026-08-08 12:59 639217906769667024
2018 ms 173.245.58.233
108 2026-08-08 12:45 639217898300938849
8 ms 108.162.192.233
107 2026-08-08 12:45 639217898300938849
8 ms 172.64.32.233
106 2026-08-08 12:45 639217898300938849
8 ms 173.245.58.233
105 2026-08-08 12:31 639217889778639925
5 ms 108.162.192.233
104 2026-08-08 12:31 639217889778639925
5 ms 172.64.32.233
103 2026-08-08 12:31 639217889778639925
5 ms 173.245.58.233
102 2026-08-08 12:16 639217881083065140
12 ms 108.162.192.233
101 2026-08-08 12:16 639217881083065140
12 ms 172.64.32.233
100 2026-08-08 12:16 639217881083065140
12 ms 173.245.58.233
99 2026-08-08 11:27 639217850620659312
3 ms 108.162.192.233
98 2026-08-08 11:27 639217850620659312
3 ms 172.64.32.233
97 2026-08-08 11:27 639217850620659312
3 ms 173.245.58.233
96 2026-08-08 11:13 639217841938624907
10 ms 173.245.58.233
95 2026-08-08 11:13 639217841938624907
10 ms 108.162.192.233
94 2026-08-08 11:13 639217841938624907
10 ms 172.64.32.233
93 2026-08-08 10:58 639217833389546843
31 ms 173.245.58.233
92 2026-08-08 10:58 639217833389546843
31 ms 172.64.32.233
91 2026-08-08 10:58 639217833389546843
31 ms 108.162.192.233
90 2026-08-08 10:44 639217824846173945
15 ms 108.162.192.233
89 2026-08-08 10:44 639217824846173945
15 ms 173.245.58.233
88 2026-08-08 10:44 639217824846173945
15 ms 172.64.32.233
87 2026-08-08 09:52 639217793807292972
7 ms 173.245.58.233
86 2026-08-08 09:52 639217793807292972
7 ms 108.162.192.233
85 2026-08-08 09:52 639217793807292972
7 ms 172.64.32.233
84 2026-08-08 09:38 639217785208951403
10 ms 108.162.192.233
83 2026-08-08 09:38 639217785208951403
10 ms 172.64.32.233
82 2026-08-08 09:38 639217785208951403
10 ms 173.245.58.233
81 2026-08-08 09:24 639217776566534942
61 ms 108.162.192.233
80 2026-08-08 09:24 639217776566534942
61 ms 173.245.58.233
79 2026-08-08 09:24 639217776566534942
61 ms 172.64.32.233
78 2026-08-08 09:09 639217767935139326
7 ms 172.64.32.233
77 2026-08-08 09:09 639217767935139326
7 ms 173.245.58.233
76 2026-08-08 09:09 639217767935139326
7 ms 108.162.192.233
75 2026-08-08 08:18 639217737225367411
32 ms 172.64.32.233
74 2026-08-08 08:18 639217737225367411
32 ms 173.245.58.233
73 2026-08-08 08:18 639217737225367411
32 ms 108.162.192.233
72 2026-08-08 08:04 639217728765093674
10 ms 173.245.58.233
71 2026-08-08 08:04 639217728765093674
10 ms 172.64.32.233
70 2026-08-08 08:04 639217728765093674
10 ms 108.162.192.233
69 2026-08-08 07:50 639217720136905586
14 ms 108.162.192.233
68 2026-08-08 07:50 639217720136905586
14 ms 172.64.32.233
67 2026-08-08 07:50 639217720136905586
14 ms 173.245.58.233
66 2026-08-08 07:35 639217711410853004
11 ms 172.64.32.233
65 2026-08-08 07:35 639217711410853004
11 ms 173.245.58.233
64 2026-08-08 07:35 639217711410853004
11 ms 108.162.192.233
63 2026-08-08 06:41 639217680275549698
5 ms 108.162.192.233
62 2026-08-08 06:41 639217680275549698
5 ms 172.64.32.233
61 2026-08-08 06:41 639217680275549698
5 ms 173.245.58.233
60 2026-08-08 06:26 639217671340563867
2012 ms 172.64.32.233
59 2026-08-08 06:26 639217671340563867
2012 ms 108.162.192.233
58 2026-08-08 06:26 639217671340563867
2012 ms 173.245.58.233
57 2026-08-08 06:12 639217662739829952
6 ms 108.162.192.233
56 2026-08-08 06:12 639217662739829952
6 ms 172.64.32.233
55 2026-08-08 06:12 639217662739829952
6 ms 173.245.58.233
54 2026-08-08 05:57 639217654129395144
11 ms 108.162.192.233
53 2026-08-08 05:57 639217654129395144
11 ms 172.64.32.233
52 2026-08-08 05:57 639217654129395144
11 ms 173.245.58.233
51 2026-08-08 05:07 639217623690502934
2016 ms 108.162.192.233
50 2026-08-08 05:07 639217623690502934
2016 ms 173.245.58.233
49 2026-08-08 05:07 639217623690502934
2016 ms 172.64.32.233
48 2026-08-08 04:52 639217615180184169
58 ms 173.245.58.233
47 2026-08-08 04:52 639217615180184169
58 ms 108.162.192.233
46 2026-08-08 04:52 639217615180184169
58 ms 172.64.32.233
45 2026-08-08 04:38 639217606737293244
7 ms 172.64.32.233
44 2026-08-08 04:38 639217606737293244
7 ms 108.162.192.233
43 2026-08-08 04:38 639217606737293244
7 ms 173.245.58.233
42 2026-08-08 04:24 639217598089858483
8 ms 172.64.32.233
41 2026-08-08 04:24 639217598089858483
8 ms 108.162.192.233
40 2026-08-08 04:24 639217598089858483
8 ms 173.245.58.233
39 2026-08-08 03:33 639217567343169140
2019 ms 172.64.32.233
38 2026-08-08 03:33 639217567343169140
2019 ms 108.162.192.233
37 2026-08-08 03:33 639217567343169140
2019 ms 173.245.58.233
36 2026-08-08 03:18 639217558743892856
7 ms 172.64.32.233
35 2026-08-08 03:18 639217558743892856
7 ms 108.162.192.233
34 2026-08-08 03:18 639217558743892856
7 ms 173.245.58.233
33 2026-08-08 03:04 639217550069823359
21 ms 108.162.192.233
32 2026-08-08 03:04 639217550069823359
21 ms 172.64.32.233
31 2026-08-08 03:04 639217550069823359
21 ms 173.245.58.233
30 2026-08-08 02:50 639217541571663863
13 ms 108.162.192.233
29 2026-08-08 02:50 639217541571663863
13 ms 172.64.32.233
28 2026-08-08 02:50 639217541571663863
13 ms 173.245.58.233
27 2026-08-08 01:57 639217510598671918
21 ms 108.162.192.233
26 2026-08-08 01:57 639217510598671918
21 ms 172.64.32.233
25 2026-08-08 01:57 639217510598671918
21 ms 173.245.58.233
24 2026-08-08 01:43 639217501853904641
7 ms 108.162.192.233
23 2026-08-08 01:43 639217501853904641
7 ms 172.64.32.233
22 2026-08-08 01:43 639217501853904641
7 ms 173.245.58.233
21 2026-08-08 01:28 639217492857464038
5 ms 108.162.192.233
20 2026-08-08 01:28 639217492857464038
5 ms 172.64.32.233
19 2026-08-08 01:28 639217492857464038
5 ms 173.245.58.233
18 2026-08-08 01:13 639217483935810845
30 ms 108.162.192.233
17 2026-08-08 01:13 639217483935810845
30 ms 172.64.32.233
16 2026-08-08 01:13 639217483935810845
30 ms 173.245.58.233
15 2026-08-08 00:58 639217475281344873
2017 ms 108.162.192.233
14 2026-08-08 00:58 639217475281344873
2017 ms 173.245.58.233
13 2026-08-08 00:58 639217475281344873
2017 ms 172.64.32.233
12 2026-08-08 00:44 639217466591266473
15 ms 108.162.192.233
11 2026-08-08 00:44 639217466591266473
15 ms 172.64.32.233
10 2026-08-08 00:44 639217466591266473
15 ms 173.245.58.233
9 2026-08-08 00:29 639217457842031506
26 ms 108.162.192.233
8 2026-08-08 00:29 639217457842031506
26 ms 172.64.32.233
7 2026-08-08 00:29 639217457842031506
26 ms 173.245.58.233
6 2026-08-08 00:15 639217449192590684
10 ms 108.162.192.233
5 2026-08-08 00:15 639217449192590684
10 ms 172.64.32.233
4 2026-08-08 00:15 639217449192590684
10 ms 173.245.58.233
3 2026-08-08 00:00 639217440385817840
38 ms 108.162.192.233
2 2026-08-08 00:00 639217440385817840
38 ms 172.64.32.233
1 2026-08-08 00:00 639217440385817840
38 ms 173.245.58.233