DNS response history for sullivan.ns.cloudfare.com

sullivan.ns.cloudfare.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 2026-08-11. For this date, NameServerHistory found 150 DNS check records, 148 successful responses, 2 failed responses, and 215 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 sullivan.ns.cloudfare.com.
Records on Selected Date

150

Historical checks stored for this nameserver on selected date

Average Latency

215 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-11 23:48

All timestamps shown in UTC

Latest Resolved IP on Selected Date

104.16.132.229

Most recently resolved hosting IP on selected date

Successful Responses

148

Checks that returned a measurable response

Failed Responses

2

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 sullivan.ns.cloudfare.com

Showing DNS history for 2026-08-11 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
150 2026-08-11 23:48 639220888396333845
5 ms 104.16.132.229
149 2026-08-11 23:48 639220888396333845
5 ms 104.16.133.229
148 2026-08-11 23:32 639220878864937382
2050 ms 104.16.133.229
147 2026-08-11 23:32 639220878864937382
2050 ms 104.16.132.229
146 2026-08-11 22:39 639220847369072314
28 ms 104.16.132.229
145 2026-08-11 22:39 639220847369072314
28 ms 104.16.133.229
144 2026-08-11 22:24 639220838037764925
43 ms 104.16.132.229
143 2026-08-11 22:24 639220838037764925
43 ms 104.16.133.229
142 2026-08-11 22:08 639220828735120634
2073 ms 104.16.133.229
141 2026-08-11 22:08 639220828735120634
2073 ms 104.16.132.229
140 2026-08-11 21:53 639220819447979766
16 ms 104.16.132.229
139 2026-08-11 21:53 639220819447979766
16 ms 104.16.133.229
138 2026-08-11 21:37 639220810056531741
51 ms 104.16.132.229
137 2026-08-11 21:37 639220810056531741
51 ms 104.16.133.229
136 2026-08-11 21:22 639220800745746593
37 ms 104.16.132.229
135 2026-08-11 21:22 639220800745746593
37 ms 104.16.133.229
134 2026-08-11 21:06 639220791351626349
8 ms 104.16.132.229
133 2026-08-11 21:06 639220791351626349
8 ms 104.16.133.229
132 2026-08-11 20:50 639220782021256610
35 ms 104.16.133.229
131 2026-08-11 20:50 639220782021256610
35 ms 104.16.132.229
130 2026-08-11 20:35 639220772603347755
5 ms 104.16.132.229
129 2026-08-11 20:35 639220772603347755
5 ms 104.16.133.229
128 2026-08-11 20:19 639220763224057047
41 ms 104.16.132.229
127 2026-08-11 20:19 639220763224057047
41 ms 104.16.133.229
126 2026-08-11 20:03 639220753691117767
2020 ms 104.16.132.229
125 2026-08-11 20:03 639220753691117767
2020 ms 104.16.133.229
124 2026-08-11 19:47 639220744107836218
12 ms 104.16.132.229
123 2026-08-11 19:47 639220744107836218
12 ms 104.16.133.229
122 2026-08-11 18:53 639220711927629898
2011 ms 104.16.132.229
121 2026-08-11 18:53 639220711927629898
2011 ms 104.16.133.229
120 2026-08-11 18:37 639220702299437921
-
119 2026-08-11 18:21 639220692505468181
9 ms 104.16.132.229
118 2026-08-11 18:21 639220692505468181
9 ms 104.16.133.229
117 2026-08-11 18:04 639220682669911239
10 ms 104.16.132.229
116 2026-08-11 18:04 639220682669911239
10 ms 104.16.133.229
115 2026-08-11 17:48 639220672929841526
12 ms 104.16.132.229
114 2026-08-11 17:48 639220672929841526
12 ms 104.16.133.229
113 2026-08-11 17:32 639220663225662315
19 ms 104.16.132.229
112 2026-08-11 17:32 639220663225662315
19 ms 104.16.133.229
111 2026-08-11 17:16 639220653846255684
130 ms 104.16.133.229
110 2026-08-11 17:16 639220653846255684
130 ms 104.16.132.229
109 2026-08-11 17:00 639220644420909059
16 ms 104.16.132.229
108 2026-08-11 17:00 639220644420909059
16 ms 104.16.133.229
107 2026-08-11 16:45 639220635074970435
2057 ms 104.16.133.229
106 2026-08-11 16:45 639220635074970435
2057 ms 104.16.132.229
105 2026-08-11 16:29 639220625614385966
2031 ms 104.16.133.229
104 2026-08-11 16:29 639220625614385966
2031 ms 104.16.132.229
103 2026-08-11 16:13 639220616132212636
40 ms 104.16.132.229
102 2026-08-11 16:13 639220616132212636
40 ms 104.16.133.229
101 2026-08-11 15:57 639220606533651662
42 ms 104.16.132.229
100 2026-08-11 15:57 639220606533651662
42 ms 104.16.133.229
99 2026-08-11 15:04 639220574514514318
30 ms 104.16.133.229
98 2026-08-11 15:04 639220574514514318
30 ms 104.16.132.229
97 2026-08-11 14:48 639220565124823874
8 ms 104.16.132.229
96 2026-08-11 14:48 639220565124823874
8 ms 104.16.133.229
95 2026-08-11 14:33 639220555799311478
6 ms 104.16.132.229
94 2026-08-11 14:33 639220555799311478
6 ms 104.16.133.229
93 2026-08-11 14:17 639220546481577614
42 ms 104.16.133.229
92 2026-08-11 14:17 639220546481577614
42 ms 104.16.132.229
91 2026-08-11 14:02 639220537036533154
50 ms 104.16.132.229
90 2026-08-11 14:02 639220537036533154
50 ms 104.16.133.229
89 2026-08-11 13:46 639220527719177174
12 ms 104.16.132.229
88 2026-08-11 13:46 639220527719177174
12 ms 104.16.133.229
87 2026-08-11 13:30 639220518173088308
8 ms 104.16.132.229
86 2026-08-11 13:30 639220518173088308
8 ms 104.16.133.229
85 2026-08-11 13:15 639220508902896243
21 ms 104.16.132.229
84 2026-08-11 13:15 639220508902896243
21 ms 104.16.133.229
83 2026-08-11 12:59 639220499455923005
12 ms 104.16.132.229
82 2026-08-11 12:59 639220499455923005
12 ms 104.16.133.229
81 2026-08-11 12:43 639220490082583768
6 ms 104.16.132.229
80 2026-08-11 12:43 639220490082583768
6 ms 104.16.133.229
79 2026-08-11 12:28 639220480636590998
6 ms 104.16.132.229
78 2026-08-11 12:28 639220480636590998
6 ms 104.16.133.229
77 2026-08-11 12:09 639220469585029273
22 ms 104.16.132.229
76 2026-08-11 12:09 639220469585029273
22 ms 104.16.133.229
75 2026-08-11 11:17 639220438074188884
49 ms 104.16.133.229
74 2026-08-11 11:17 639220438074188884
49 ms 104.16.132.229
73 2026-08-11 11:01 639220428789720049
40 ms 104.16.133.229
72 2026-08-11 11:01 639220428789720049
40 ms 104.16.132.229
71 2026-08-11 10:46 639220419558302820
28 ms 104.16.132.229
70 2026-08-11 10:46 639220419558302820
28 ms 104.16.133.229
69 2026-08-11 10:30 639220410448738795
10 ms 104.16.132.229
68 2026-08-11 10:30 639220410448738795
10 ms 104.16.133.229
67 2026-08-11 10:15 639220401034081530
7 ms 104.16.132.229
66 2026-08-11 10:15 639220401034081530
7 ms 104.16.133.229
65 2026-08-11 09:59 639220391766674161
34 ms 104.16.133.229
64 2026-08-11 09:59 639220391766674161
34 ms 104.16.132.229
63 2026-08-11 09:44 639220382275807148
9 ms 104.16.132.229
62 2026-08-11 09:44 639220382275807148
9 ms 104.16.133.229
61 2026-08-11 09:28 639220373034162867
7 ms 104.16.132.229
60 2026-08-11 09:28 639220373034162867
7 ms 104.16.133.229
59 2026-08-11 09:13 639220363994971859
50 ms 104.16.133.229
58 2026-08-11 09:13 639220363994971859
50 ms 104.16.132.229
57 2026-08-11 08:57 639220354563965455
66 ms 104.16.132.229
56 2026-08-11 08:57 639220354563965455
66 ms 104.16.133.229
55 2026-08-11 08:42 639220345437414880
5 ms 104.16.132.229
54 2026-08-11 08:42 639220345437414880
5 ms 104.16.133.229
53 2026-08-11 08:27 639220336024248987
-
52 2026-08-11 07:34 639220304233635692
14 ms 104.16.132.229
51 2026-08-11 07:34 639220304233635692
14 ms 104.16.133.229
50 2026-08-11 07:18 639220294872170960
6 ms 104.16.132.229
49 2026-08-11 07:18 639220294872170960
6 ms 104.16.133.229
48 2026-08-11 07:03 639220285547177980
53 ms 104.16.133.229
47 2026-08-11 07:03 639220285547177980
53 ms 104.16.132.229
46 2026-08-11 06:47 639220276337941315
34 ms 104.16.132.229
45 2026-08-11 06:47 639220276337941315
34 ms 104.16.133.229
44 2026-08-11 06:32 639220267175191677
7 ms 104.16.132.229
43 2026-08-11 06:32 639220267175191677
7 ms 104.16.133.229
42 2026-08-11 06:17 639220257981518924
8 ms 104.16.132.229
41 2026-08-11 06:17 639220257981518924
8 ms 104.16.133.229
40 2026-08-11 06:02 639220249265489070
6 ms 104.16.132.229
39 2026-08-11 06:02 639220249265489070
6 ms 104.16.133.229
38 2026-08-11 05:48 639220240700249205
12 ms 104.16.132.229
37 2026-08-11 05:48 639220240700249205
12 ms 104.16.133.229
36 2026-08-11 05:33 639220231975029986
12 ms 104.16.132.229
35 2026-08-11 05:33 639220231975029986
12 ms 104.16.133.229
34 2026-08-11 05:19 639220223261176932
24 ms 104.16.132.229
33 2026-08-11 05:19 639220223261176932
24 ms 104.16.133.229
32 2026-08-11 05:04 639220214366718456
38 ms 104.16.132.229
31 2026-08-11 05:04 639220214366718456
38 ms 104.16.133.229
30 2026-08-11 04:49 639220205306334524
21 ms 104.16.132.229
29 2026-08-11 04:49 639220205306334524
21 ms 104.16.133.229
28 2026-08-11 03:57 639220174463175061
2020 ms 104.16.133.229
27 2026-08-11 03:57 639220174463175061
2020 ms 104.16.132.229
26 2026-08-11 03:43 639220165777190438
25 ms 104.16.133.229
25 2026-08-11 03:43 639220165777190438
25 ms 104.16.132.229
24 2026-08-11 03:28 639220156880374825
24 ms 104.16.133.229
23 2026-08-11 03:28 639220156880374825
24 ms 104.16.132.229
22 2026-08-11 03:14 639220148139986945
32 ms 104.16.132.229
21 2026-08-11 03:14 639220148139986945
32 ms 104.16.133.229
20 2026-08-11 02:59 639220139271074299
9 ms 104.16.132.229
19 2026-08-11 02:59 639220139271074299
9 ms 104.16.133.229
18 2026-08-11 02:44 639220130565901336
19 ms 104.16.132.229
17 2026-08-11 02:44 639220130565901336
19 ms 104.16.133.229
16 2026-08-11 02:29 639220121659980575
5 ms 104.16.132.229
15 2026-08-11 02:29 639220121659980575
5 ms 104.16.133.229
14 2026-08-11 02:15 639220112857650894
23 ms 104.16.132.229
13 2026-08-11 02:15 639220112857650894
23 ms 104.16.133.229
12 2026-08-11 02:00 639220103767686219
27 ms 104.16.132.229
11 2026-08-11 02:00 639220103767686219
27 ms 104.16.133.229
10 2026-08-11 01:44 639220094545970611
34 ms 104.16.132.229
9 2026-08-11 01:44 639220094545970611
34 ms 104.16.133.229
8 2026-08-11 01:29 639220085476091081
5 ms 104.16.132.229
7 2026-08-11 01:29 639220085476091081
5 ms 104.16.133.229
6 2026-08-11 01:14 639220076243751161
23 ms 104.16.132.229
5 2026-08-11 01:14 639220076243751161
23 ms 104.16.133.229
4 2026-08-11 00:22 639220045322845190
9 ms 104.16.132.229
3 2026-08-11 00:22 639220045322845190
9 ms 104.16.133.229
2 2026-08-11 00:07 639220036434132314
56 ms 104.16.132.229
1 2026-08-11 00:07 639220036434132314
56 ms 104.16.133.229