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 2026-08-27. For this date, NameServerHistory found 142 DNS check records, 142 successful responses, 0 failed responses, and 365 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

142

Historical checks stored for this nameserver on selected date

Average Latency

365 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-27 23:11

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

142

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 sullivan.ns.cloudfare.com

Showing DNS history for 2026-08-27 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
142 2026-08-27 23:11 639234690580226618
7 ms 104.16.132.229
141 2026-08-27 23:11 639234690580226618
7 ms 104.16.133.229
140 2026-08-27 22:54 639234680477852135
4 ms 104.16.132.229
139 2026-08-27 22:54 639234680477852135
4 ms 104.16.133.229
138 2026-08-27 22:37 639234670282270693
2044 ms 104.16.132.229
137 2026-08-27 22:37 639234670282270693
2044 ms 104.16.133.229
136 2026-08-27 22:20 639234660146106544
2017 ms 104.16.132.229
135 2026-08-27 22:20 639234660146106544
2017 ms 104.16.133.229
134 2026-08-27 22:03 639234649768231829
4 ms 104.16.132.229
133 2026-08-27 22:03 639234649768231829
4 ms 104.16.133.229
132 2026-08-27 21:46 639234639589413826
15 ms 104.16.132.229
131 2026-08-27 21:46 639234639589413826
15 ms 104.16.133.229
130 2026-08-27 21:29 639234629372993861
36 ms 104.16.132.229
129 2026-08-27 21:29 639234629372993861
36 ms 104.16.133.229
128 2026-08-27 21:12 639234619223904344
11 ms 104.16.132.229
127 2026-08-27 21:12 639234619223904344
11 ms 104.16.133.229
126 2026-08-27 20:55 639234608944811927
2013 ms 104.16.132.229
125 2026-08-27 20:55 639234608944811927
2013 ms 104.16.133.229
124 2026-08-27 20:37 639234598661858910
8 ms 104.16.132.229
123 2026-08-27 20:37 639234598661858910
8 ms 104.16.133.229
122 2026-08-27 20:20 639234588314533893
12 ms 104.16.132.229
121 2026-08-27 20:20 639234588314533893
12 ms 104.16.133.229
120 2026-08-27 20:03 639234577878211878
16 ms 104.16.132.229
119 2026-08-27 20:03 639234577878211878
16 ms 104.16.133.229
118 2026-08-27 19:09 639234545578367474
33 ms 104.16.132.229
117 2026-08-27 19:09 639234545578367474
33 ms 104.16.133.229
116 2026-08-27 18:52 639234535255111795
6 ms 104.16.132.229
115 2026-08-27 18:52 639234535255111795
6 ms 104.16.133.229
114 2026-08-27 18:35 639234525107594067
7 ms 104.16.132.229
113 2026-08-27 18:35 639234525107594067
7 ms 104.16.133.229
112 2026-08-27 18:18 639234514890244566
43 ms 104.16.132.229
111 2026-08-27 18:18 639234514890244566
43 ms 104.16.133.229
110 2026-08-27 18:01 639234504745477862
5 ms 104.16.132.229
109 2026-08-27 18:01 639234504745477862
5 ms 104.16.133.229
108 2026-08-27 17:44 639234494449227290
25 ms 104.16.132.229
107 2026-08-27 17:44 639234494449227290
25 ms 104.16.133.229
106 2026-08-27 17:26 639234484118025686
73 ms 104.16.132.229
105 2026-08-27 17:26 639234484118025686
73 ms 104.16.133.229
104 2026-08-27 17:10 639234473946362077
27 ms 104.16.132.229
103 2026-08-27 17:10 639234473946362077
27 ms 104.16.133.229
102 2026-08-27 16:53 639234463759124388
8 ms 104.16.132.229
101 2026-08-27 16:53 639234463759124388
8 ms 104.16.133.229
100 2026-08-27 16:35 639234453500759178
42 ms 104.16.133.229
99 2026-08-27 16:35 639234453500759178
42 ms 104.16.132.229
98 2026-08-27 16:18 639234442983541638
2044 ms 104.16.133.229
97 2026-08-27 16:18 639234442983541638
2044 ms 104.16.132.229
96 2026-08-27 16:00 639234432404354562
39 ms 104.16.132.229
95 2026-08-27 16:00 639234432404354562
39 ms 104.16.133.229
94 2026-08-27 15:06 639234399767719119
41 ms 104.16.132.229
93 2026-08-27 15:06 639234399767719119
41 ms 104.16.133.229
92 2026-08-27 14:49 639234389460601485
20 ms 104.16.132.229
91 2026-08-27 14:49 639234389460601485
20 ms 104.16.133.229
90 2026-08-27 14:32 639234379227178707
2024 ms 104.16.133.229
89 2026-08-27 14:32 639234379227178707
2024 ms 104.16.132.229
88 2026-08-27 14:15 639234369065315214
2023 ms 104.16.133.229
87 2026-08-27 14:15 639234369065315214
2023 ms 104.16.132.229
86 2026-08-27 13:58 639234358825501576
12 ms 104.16.132.229
85 2026-08-27 13:58 639234358825501576
12 ms 104.16.133.229
84 2026-08-27 13:41 639234348572745268
23 ms 104.16.132.229
83 2026-08-27 13:41 639234348572745268
23 ms 104.16.133.229
82 2026-08-27 13:23 639234338264503481
2052 ms 104.16.133.229
81 2026-08-27 13:23 639234338264503481
2052 ms 104.16.132.229
80 2026-08-27 13:06 639234327818741376
53 ms 104.16.133.229
79 2026-08-27 13:06 639234327818741376
53 ms 104.16.132.229
78 2026-08-27 12:49 639234317475724313
6 ms 104.16.132.229
77 2026-08-27 12:49 639234317475724313
6 ms 104.16.133.229
76 2026-08-27 12:31 639234307007468133
9 ms 104.16.132.229
75 2026-08-27 12:31 639234307007468133
9 ms 104.16.133.229
74 2026-08-27 12:14 639234296664302575
16 ms 104.16.132.229
73 2026-08-27 12:14 639234296664302575
16 ms 104.16.133.229
72 2026-08-27 11:57 639234286253196126
129 ms 104.16.132.229
71 2026-08-27 11:57 639234286253196126
129 ms 104.16.133.229
70 2026-08-27 11:03 639234253963286387
36 ms 104.16.132.229
69 2026-08-27 11:03 639234253963286387
36 ms 104.16.133.229
68 2026-08-27 10:46 639234243654907465
10 ms 104.16.132.229
67 2026-08-27 10:46 639234243654907465
10 ms 104.16.133.229
66 2026-08-27 10:28 639234233269654413
32 ms 104.16.133.229
65 2026-08-27 10:28 639234233269654413
32 ms 104.16.132.229
64 2026-08-27 10:11 639234222943951923
13 ms 104.16.132.229
63 2026-08-27 10:11 639234222943951923
13 ms 104.16.133.229
62 2026-08-27 09:54 639234212558002823
17 ms 104.16.132.229
61 2026-08-27 09:54 639234212558002823
17 ms 104.16.133.229
60 2026-08-27 09:36 639234202117531850
2037 ms 104.16.132.229
59 2026-08-27 09:36 639234202117531850
2037 ms 104.16.133.229
58 2026-08-27 09:19 639234191649612722
20 ms 104.16.132.229
57 2026-08-27 09:19 639234191649612722
20 ms 104.16.133.229
56 2026-08-27 09:01 639234181105879568
54 ms 104.16.133.229
55 2026-08-27 09:01 639234181105879568
54 ms 104.16.132.229
54 2026-08-27 08:44 639234170713214496
50 ms 104.16.132.229
53 2026-08-27 08:44 639234170713214496
50 ms 104.16.133.229
52 2026-08-27 08:27 639234160341037652
2023 ms 104.16.133.229
51 2026-08-27 08:27 639234160341037652
2023 ms 104.16.132.229
50 2026-08-27 08:09 639234149799404224
13 ms 104.16.132.229
49 2026-08-27 08:09 639234149799404224
13 ms 104.16.133.229
48 2026-08-27 07:52 639234139553286469
2077 ms 104.16.133.229
47 2026-08-27 07:52 639234139553286469
2077 ms 104.16.132.229
46 2026-08-27 06:58 639234107183588293
8 ms 104.16.132.229
45 2026-08-27 06:58 639234107183588293
8 ms 104.16.133.229
44 2026-08-27 06:41 639234096905435724
6 ms 104.16.132.229
43 2026-08-27 06:41 639234096905435724
6 ms 104.16.133.229
42 2026-08-27 06:24 639234086579410775
67 ms 104.16.132.229
41 2026-08-27 06:24 639234086579410775
67 ms 104.16.133.229
40 2026-08-27 06:07 639234076291157956
2018 ms 104.16.133.229
39 2026-08-27 06:07 639234076291157956
2018 ms 104.16.132.229
38 2026-08-27 05:50 639234065981939454
25 ms 104.16.132.229
37 2026-08-27 05:50 639234065981939454
25 ms 104.16.133.229
36 2026-08-27 05:32 639234055548642997
15 ms 104.16.132.229
35 2026-08-27 05:32 639234055548642997
15 ms 104.16.133.229
34 2026-08-27 05:15 639234045267979603
19 ms 104.16.132.229
33 2026-08-27 05:15 639234045267979603
19 ms 104.16.133.229
32 2026-08-27 04:58 639234034999717463
14 ms 104.16.132.229
31 2026-08-27 04:58 639234034999717463
14 ms 104.16.133.229
30 2026-08-27 04:41 639234024739225358
9 ms 104.16.132.229
29 2026-08-27 04:41 639234024739225358
9 ms 104.16.133.229
28 2026-08-27 04:23 639234014311170162
88 ms 104.16.133.229
27 2026-08-27 04:23 639234014311170162
88 ms 104.16.132.229
26 2026-08-27 04:06 639234003806017640
5 ms 104.16.132.229
25 2026-08-27 04:06 639234003806017640
5 ms 104.16.133.229
24 2026-08-27 03:49 639233993356203030
16 ms 104.16.133.229
23 2026-08-27 03:49 639233993356203030
16 ms 104.16.132.229
22 2026-08-27 02:55 639233961301716608
12 ms 104.16.132.229
21 2026-08-27 02:55 639233961301716608
12 ms 104.16.133.229
20 2026-08-27 02:38 639233950834200647
21 ms 104.16.132.229
19 2026-08-27 02:38 639233950834200647
21 ms 104.16.133.229
18 2026-08-27 02:20 639233940431849026
2017 ms 104.16.133.229
17 2026-08-27 02:20 639233940431849026
2017 ms 104.16.132.229
16 2026-08-27 02:03 639233930110596398
41 ms 104.16.132.229
15 2026-08-27 02:03 639233930110596398
41 ms 104.16.133.229
14 2026-08-27 01:46 639233919705434540
25 ms 104.16.133.229
13 2026-08-27 01:46 639233919705434540
25 ms 104.16.132.229
12 2026-08-27 01:29 639233909452807845
28 ms 104.16.132.229
11 2026-08-27 01:29 639233909452807845
28 ms 104.16.133.229
10 2026-08-27 01:11 639233899096420820
27 ms 104.16.132.229
9 2026-08-27 01:11 639233899096420820
27 ms 104.16.133.229
8 2026-08-27 00:54 639233888707824939
21 ms 104.16.133.229
7 2026-08-27 00:54 639233888707824939
21 ms 104.16.132.229
6 2026-08-27 00:37 639233878461203802
44 ms 104.16.132.229
5 2026-08-27 00:37 639233878461203802
44 ms 104.16.133.229
4 2026-08-27 00:20 639233868060868209
5 ms 104.16.132.229
3 2026-08-27 00:20 639233868060868209
5 ms 104.16.133.229
2 2026-08-27 00:02 639233857450922991
34 ms 104.16.132.229
1 2026-08-27 00:02 639233857450922991
34 ms 104.16.133.229