DNS response history for ns1.openflows.net

ns1.openflows.net 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 2026-08-26. For this date, NameServerHistory found 140 DNS check records, 140 successful responses, 0 failed responses, and 294 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 ns1.openflows.net.
Records on Selected Date

140

Historical checks stored for this nameserver on selected date

Average Latency

294 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 23:45

All timestamps shown in UTC

Latest Resolved IP on Selected Date

104.21.21.91

Most recently resolved hosting IP on selected date

Successful Responses

140

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 ns1.openflows.net

Showing DNS history for 2026-08-26 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
140 2026-08-26 23:45 639233846871926285
2020 ms 104.21.21.91
139 2026-08-26 23:45 639233846871926285
2020 ms 172.67.197.85
138 2026-08-26 22:51 639233814527872887
8 ms 104.21.21.91
137 2026-08-26 22:51 639233814527872887
8 ms 172.67.197.85
136 2026-08-26 22:34 639233804315489381
99 ms 104.21.21.91
135 2026-08-26 22:34 639233804315489381
99 ms 172.67.197.85
134 2026-08-26 22:17 639233793971346256
51 ms 172.67.197.85
133 2026-08-26 22:17 639233793971346256
51 ms 104.21.21.91
132 2026-08-26 21:59 639233783644630463
22 ms 172.67.197.85
131 2026-08-26 21:59 639233783644630463
22 ms 104.21.21.91
130 2026-08-26 21:42 639233773302621314
2032 ms 104.21.21.91
129 2026-08-26 21:42 639233773302621314
2032 ms 172.67.197.85
128 2026-08-26 21:25 639233762896723748
17 ms 172.67.197.85
127 2026-08-26 21:25 639233762896723748
17 ms 104.21.21.91
126 2026-08-26 21:08 639233752543876329
32 ms 172.67.197.85
125 2026-08-26 21:08 639233752543876329
32 ms 104.21.21.91
124 2026-08-26 20:50 639233742155931788
48 ms 172.67.197.85
123 2026-08-26 20:50 639233742155931788
48 ms 104.21.21.91
122 2026-08-26 20:33 639233731712555311
12 ms 104.21.21.91
121 2026-08-26 20:33 639233731712555311
12 ms 172.67.197.85
120 2026-08-26 20:15 639233721164051126
26 ms 104.21.21.91
119 2026-08-26 20:15 639233721164051126
26 ms 172.67.197.85
118 2026-08-26 19:58 639233710560486320
67 ms 172.67.197.85
117 2026-08-26 19:58 639233710560486320
67 ms 104.21.21.91
116 2026-08-26 19:40 639233699834667450
91 ms 172.67.197.85
115 2026-08-26 19:40 639233699834667450
91 ms 104.21.21.91
114 2026-08-26 18:45 639233667209186136
32 ms 172.67.197.85
113 2026-08-26 18:45 639233667209186136
32 ms 104.21.21.91
112 2026-08-26 18:28 639233656814316266
18 ms 104.21.21.91
111 2026-08-26 18:28 639233656814316266
18 ms 172.67.197.85
110 2026-08-26 18:10 639233646245051806
36 ms 172.67.197.85
109 2026-08-26 18:10 639233646245051806
36 ms 104.21.21.91
108 2026-08-26 17:53 639233635663779051
31 ms 104.21.21.91
107 2026-08-26 17:53 639233635663779051
31 ms 172.67.197.85
106 2026-08-26 17:35 639233624977342122
42 ms 104.21.21.91
105 2026-08-26 17:35 639233624977342122
42 ms 172.67.197.85
104 2026-08-26 17:17 639233614446136153
4061 ms 172.67.197.85
103 2026-08-26 17:17 639233614446136153
4061 ms 104.21.21.91
102 2026-08-26 17:00 639233603737877581
69 ms 104.21.21.91
101 2026-08-26 17:00 639233603737877581
69 ms 172.67.197.85
100 2026-08-26 16:42 639233593269224651
19 ms 104.21.21.91
99 2026-08-26 16:42 639233593269224651
19 ms 172.67.197.85
98 2026-08-26 16:24 639233582635086903
160 ms 172.67.197.85
97 2026-08-26 16:24 639233582635086903
160 ms 104.21.21.91
96 2026-08-26 16:07 639233572000374575
24 ms 172.67.197.85
95 2026-08-26 16:07 639233572000374575
24 ms 104.21.21.91
94 2026-08-26 15:49 639233561188633861
39 ms 104.21.21.91
93 2026-08-26 15:49 639233561188633861
39 ms 172.67.197.85
92 2026-08-26 15:31 639233550544357027
71 ms 104.21.21.91
91 2026-08-26 15:31 639233550544357027
71 ms 172.67.197.85
90 2026-08-26 14:37 639233517966053117
32 ms 172.67.197.85
89 2026-08-26 14:37 639233517966053117
32 ms 104.21.21.91
88 2026-08-26 14:19 639233507603253585
41 ms 104.21.21.91
87 2026-08-26 14:19 639233507603253585
41 ms 172.67.197.85
86 2026-08-26 14:02 639233497229039167
13 ms 104.21.21.91
85 2026-08-26 14:02 639233497229039167
13 ms 172.67.197.85
84 2026-08-26 13:45 639233486864546406
15 ms 104.21.21.91
83 2026-08-26 13:45 639233486864546406
15 ms 172.67.197.85
82 2026-08-26 13:27 639233476455174682
17 ms 104.21.21.91
81 2026-08-26 13:27 639233476455174682
17 ms 172.67.197.85
80 2026-08-26 13:10 639233466171592605
41 ms 172.67.197.85
79 2026-08-26 13:10 639233466171592605
41 ms 104.21.21.91
78 2026-08-26 12:53 639233455747096265
18 ms 104.21.21.91
77 2026-08-26 12:53 639233455747096265
18 ms 172.67.197.85
76 2026-08-26 12:36 639233445367152284
26 ms 172.67.197.85
75 2026-08-26 12:36 639233445367152284
26 ms 104.21.21.91
74 2026-08-26 12:18 639233434974187439
90 ms 172.67.197.85
73 2026-08-26 12:18 639233434974187439
90 ms 104.21.21.91
72 2026-08-26 12:01 639233424567558554
94 ms 104.21.21.91
71 2026-08-26 12:01 639233424567558554
94 ms 172.67.197.85
70 2026-08-26 11:43 639233414056832719
14 ms 172.67.197.85
69 2026-08-26 11:43 639233414056832719
14 ms 104.21.21.91
68 2026-08-26 11:26 639233403515141099
19 ms 172.67.197.85
67 2026-08-26 11:26 639233403515141099
19 ms 104.21.21.91
66 2026-08-26 10:31 639233370841350248
35 ms 104.21.21.91
65 2026-08-26 10:31 639233370841350248
35 ms 172.67.197.85
64 2026-08-26 10:14 639233360361507238
2044 ms 104.21.21.91
63 2026-08-26 10:14 639233360361507238
2044 ms 172.67.197.85
62 2026-08-26 09:57 639233350067824371
29 ms 104.21.21.91
61 2026-08-26 09:57 639233350067824371
29 ms 172.67.197.85
60 2026-08-26 09:39 639233339545274518
21 ms 172.67.197.85
59 2026-08-26 09:39 639233339545274518
21 ms 104.21.21.91
58 2026-08-26 09:22 639233329214918079
12 ms 104.21.21.91
57 2026-08-26 09:22 639233329214918079
12 ms 172.67.197.85
56 2026-08-26 09:05 639233318749762337
2021 ms 172.67.197.85
55 2026-08-26 09:05 639233318749762337
2021 ms 104.21.21.91
54 2026-08-26 08:47 639233308387917838
11 ms 104.21.21.91
53 2026-08-26 08:47 639233308387917838
11 ms 172.67.197.85
52 2026-08-26 08:30 639233297961740122
20 ms 104.21.21.91
51 2026-08-26 08:30 639233297961740122
20 ms 172.67.197.85
50 2026-08-26 08:13 639233287487159094
2023 ms 104.21.21.91
49 2026-08-26 08:13 639233287487159094
2023 ms 172.67.197.85
48 2026-08-26 07:55 639233276995531707
19 ms 172.67.197.85
47 2026-08-26 07:55 639233276995531707
19 ms 104.21.21.91
46 2026-08-26 07:38 639233266521568229
44 ms 172.67.197.85
45 2026-08-26 07:38 639233266521568229
44 ms 104.21.21.91
44 2026-08-26 07:20 639233256081047431
68 ms 172.67.197.85
43 2026-08-26 07:20 639233256081047431
68 ms 104.21.21.91
42 2026-08-26 06:26 639233223620132921
40 ms 172.67.197.85
41 2026-08-26 06:26 639233223620132921
40 ms 104.21.21.91
40 2026-08-26 06:09 639233213287814244
12 ms 172.67.197.85
39 2026-08-26 06:09 639233213287814244
12 ms 104.21.21.91
38 2026-08-26 05:52 639233202925983161
35 ms 104.21.21.91
37 2026-08-26 05:52 639233202925983161
35 ms 172.67.197.85
36 2026-08-26 05:34 639233192644780696
10 ms 172.67.197.85
35 2026-08-26 05:34 639233192644780696
10 ms 104.21.21.91
34 2026-08-26 05:17 639233182401183833
27 ms 172.67.197.85
33 2026-08-26 05:17 639233182401183833
27 ms 104.21.21.91
32 2026-08-26 05:00 639233172074181051
59 ms 104.21.21.91
31 2026-08-26 05:00 639233172074181051
59 ms 172.67.197.85
30 2026-08-26 04:43 639233161808421455
11 ms 104.21.21.91
29 2026-08-26 04:43 639233161808421455
11 ms 172.67.197.85
28 2026-08-26 04:26 639233151357344052
17 ms 172.67.197.85
27 2026-08-26 04:26 639233151357344052
17 ms 104.21.21.91
26 2026-08-26 04:08 639233141034116946
10 ms 104.21.21.91
25 2026-08-26 04:08 639233141034116946
10 ms 172.67.197.85
24 2026-08-26 03:51 639233130828334142
10 ms 104.21.21.91
23 2026-08-26 03:51 639233130828334142
10 ms 172.67.197.85
22 2026-08-26 03:34 639233120373450007
2016 ms 104.21.21.91
21 2026-08-26 03:34 639233120373450007
2016 ms 172.67.197.85
20 2026-08-26 03:17 639233110066216193
13 ms 172.67.197.85
19 2026-08-26 03:17 639233110066216193
13 ms 104.21.21.91
18 2026-08-26 02:23 639233078065410564
58 ms 104.21.21.91
17 2026-08-26 02:23 639233078065410564
58 ms 172.67.197.85
16 2026-08-26 02:06 639233067787457832
116 ms 104.21.21.91
15 2026-08-26 02:06 639233067787457832
116 ms 172.67.197.85
14 2026-08-26 01:49 639233057501801162
59 ms 172.67.197.85
13 2026-08-26 01:49 639233057501801162
59 ms 104.21.21.91
12 2026-08-26 01:32 639233047089431703
45 ms 172.67.197.85
11 2026-08-26 01:32 639233047089431703
45 ms 104.21.21.91
10 2026-08-26 01:15 639233036754790688
52 ms 104.21.21.91
9 2026-08-26 01:15 639233036754790688
52 ms 172.67.197.85
8 2026-08-26 00:57 639233026412602472
40 ms 104.21.21.91
7 2026-08-26 00:57 639233026412602472
40 ms 172.67.197.85
6 2026-08-26 00:40 639233016064066127
2021 ms 104.21.21.91
5 2026-08-26 00:40 639233016064066127
2021 ms 172.67.197.85
4 2026-08-26 00:23 639233005922655772
11 ms 104.21.21.91
3 2026-08-26 00:23 639233005922655772
11 ms 172.67.197.85
2 2026-08-26 00:06 639232995672256907
8 ms 172.67.197.85
1 2026-08-26 00:06 639232995672256907
8 ms 104.21.21.91