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 2026-08-31. For this date, NameServerHistory found 141 DNS check records, 140 successful responses, 1 failed responses, and 229 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

141

Historical checks stored for this nameserver on selected date

Average Latency

229 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-31 23:58

All timestamps shown in UTC

Latest Resolved IP on Selected Date

172.67.197.85

Most recently resolved hosting IP on selected date

Successful Responses

140

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 ns1.openflows.net

Showing DNS history for 2026-08-31 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
141 2026-08-31 23:58 639238175054391781
31 ms 172.67.197.85
140 2026-08-31 23:58 639238175054391781
31 ms 104.21.21.91
139 2026-08-31 23:40 639238164117437727
28 ms 172.67.197.85
138 2026-08-31 23:40 639238164117437727
28 ms 104.21.21.91
137 2026-08-31 23:22 639238153343647435
2019 ms 104.21.21.91
136 2026-08-31 23:22 639238153343647435
2019 ms 172.67.197.85
135 2026-08-31 23:04 639238142520473714
14 ms 172.67.197.85
134 2026-08-31 23:04 639238142520473714
14 ms 104.21.21.91
133 2026-08-31 22:46 639238131745466751
2023 ms 104.21.21.91
132 2026-08-31 22:46 639238131745466751
2023 ms 172.67.197.85
131 2026-08-31 22:28 639238120990576799
27 ms 104.21.21.91
130 2026-08-31 22:28 639238120990576799
27 ms 172.67.197.85
129 2026-08-31 21:35 639238088948639656
23 ms 172.67.197.85
128 2026-08-31 21:35 639238088948639656
23 ms 104.21.21.91
127 2026-08-31 21:17 639238078451435617
16 ms 172.67.197.85
126 2026-08-31 21:17 639238078451435617
16 ms 104.21.21.91
125 2026-08-31 21:00 639238067818407820
15 ms 104.21.21.91
124 2026-08-31 21:00 639238067818407820
15 ms 172.67.197.85
123 2026-08-31 20:42 639238057337242425
47 ms 104.21.21.91
122 2026-08-31 20:42 639238057337242425
47 ms 172.67.197.85
121 2026-08-31 20:24 639238046718231047
31 ms 172.67.197.85
120 2026-08-31 20:24 639238046718231047
31 ms 104.21.21.91
119 2026-08-31 20:07 639238036493480692
19 ms 104.21.21.91
118 2026-08-31 20:07 639238036493480692
19 ms 172.67.197.85
117 2026-08-31 19:50 639238026138697113
2024 ms 104.21.21.91
116 2026-08-31 19:50 639238026138697113
2024 ms 172.67.197.85
115 2026-08-31 19:33 639238015790028644
13 ms 104.21.21.91
114 2026-08-31 19:33 639238015790028644
13 ms 172.67.197.85
113 2026-08-31 19:16 639238005382709909
20 ms 172.67.197.85
112 2026-08-31 19:16 639238005382709909
20 ms 104.21.21.91
111 2026-08-31 18:59 639237995139195097
41 ms 172.67.197.85
110 2026-08-31 18:59 639237995139195097
41 ms 104.21.21.91
109 2026-08-31 18:41 639237984659733710
38 ms 172.67.197.85
108 2026-08-31 18:41 639237984659733710
38 ms 104.21.21.91
107 2026-08-31 18:24 639237974142394595
18 ms 172.67.197.85
106 2026-08-31 18:24 639237974142394595
18 ms 104.21.21.91
105 2026-08-31 17:30 639237941910348424
11 ms 172.67.197.85
104 2026-08-31 17:30 639237941910348424
11 ms 104.21.21.91
103 2026-08-31 17:13 639237931681671742
35 ms 104.21.21.91
102 2026-08-31 17:13 639237931681671742
35 ms 172.67.197.85
101 2026-08-31 16:56 639237921365566692
7 ms 172.67.197.85
100 2026-08-31 16:56 639237921365566692
7 ms 104.21.21.91
99 2026-08-31 16:38 639237910991948788
18 ms 104.21.21.91
98 2026-08-31 16:38 639237910991948788
18 ms 172.67.197.85
97 2026-08-31 16:21 639237900605596198
24 ms 172.67.197.85
96 2026-08-31 16:21 639237900605596198
24 ms 104.21.21.91
95 2026-08-31 16:04 639237890356235470
13 ms 104.21.21.91
94 2026-08-31 16:04 639237890356235470
13 ms 172.67.197.85
93 2026-08-31 15:46 639237879936204342
36 ms 104.21.21.91
92 2026-08-31 15:46 639237879936204342
36 ms 172.67.197.85
91 2026-08-31 15:29 639237869543741197
19 ms 172.67.197.85
90 2026-08-31 15:29 639237869543741197
19 ms 104.21.21.91
89 2026-08-31 15:12 639237859138790045
18 ms 172.67.197.85
88 2026-08-31 15:12 639237859138790045
18 ms 104.21.21.91
87 2026-08-31 14:54 639237848640463709
20 ms 172.67.197.85
86 2026-08-31 14:54 639237848640463709
20 ms 104.21.21.91
85 2026-08-31 14:37 639237838098800325
40 ms 104.21.21.91
84 2026-08-31 14:37 639237838098800325
40 ms 172.67.197.85
83 2026-08-31 14:19 639237827433935375
86 ms 172.67.197.85
82 2026-08-31 14:19 639237827433935375
86 ms 104.21.21.91
81 2026-08-31 13:25 639237794785519897
16 ms 172.67.197.85
80 2026-08-31 13:25 639237794785519897
16 ms 104.21.21.91
79 2026-08-31 13:07 639237784474116679
26 ms 104.21.21.91
78 2026-08-31 13:07 639237784474116679
26 ms 172.67.197.85
77 2026-08-31 12:50 639237773965397189
28 ms 172.67.197.85
76 2026-08-31 12:50 639237773965397189
28 ms 104.21.21.91
75 2026-08-31 12:33 639237763588542721
60 ms 104.21.21.91
74 2026-08-31 12:33 639237763588542721
60 ms 172.67.197.85
73 2026-08-31 12:15 639237753225101103
23 ms 172.67.197.85
72 2026-08-31 12:15 639237753225101103
23 ms 104.21.21.91
71 2026-08-31 11:58 639237742927117371
98 ms 104.21.21.91
70 2026-08-31 11:58 639237742927117371
98 ms 172.67.197.85
69 2026-08-31 11:41 639237732538256235
18 ms 104.21.21.91
68 2026-08-31 11:41 639237732538256235
18 ms 172.67.197.85
67 2026-08-31 11:23 639237722025682013
58 ms 172.67.197.85
66 2026-08-31 11:23 639237722025682013
58 ms 104.21.21.91
65 2026-08-31 11:06 639237711568720101
8 ms 104.21.21.91
64 2026-08-31 11:06 639237711568720101
8 ms 172.67.197.85
63 2026-08-31 10:48 639237701119461876
27 ms 172.67.197.85
62 2026-08-31 10:48 639237701119461876
27 ms 104.21.21.91
61 2026-08-31 10:31 639237690759595513
13 ms 104.21.21.91
60 2026-08-31 10:31 639237690759595513
13 ms 172.67.197.85
59 2026-08-31 10:13 639237680122296836
28 ms 104.21.21.91
58 2026-08-31 10:13 639237680122296836
28 ms 172.67.197.85
57 2026-08-31 09:20 639237647999458954
49 ms 172.67.197.85
56 2026-08-31 09:20 639237647999458954
49 ms 104.21.21.91
55 2026-08-31 09:03 639237637680951774
36 ms 172.67.197.85
54 2026-08-31 09:03 639237637680951774
36 ms 104.21.21.91
53 2026-08-31 08:46 639237627437728712
2043 ms 104.21.21.91
52 2026-08-31 08:46 639237627437728712
2043 ms 172.67.197.85
51 2026-08-31 08:29 639237617127808241
2116 ms 172.67.197.85
50 2026-08-31 08:29 639237617127808241
2116 ms 104.21.21.91
49 2026-08-31 08:12 639237606990101394
2019 ms 172.67.197.85
48 2026-08-31 08:12 639237606990101394
2019 ms 104.21.21.91
47 2026-08-31 07:54 639237596595480036
12 ms 104.21.21.91
46 2026-08-31 07:54 639237596595480036
12 ms 172.67.197.85
45 2026-08-31 07:37 639237586261012001
53 ms 172.67.197.85
44 2026-08-31 07:37 639237586261012001
53 ms 104.21.21.91
43 2026-08-31 07:20 639237576047657695
23 ms 172.67.197.85
42 2026-08-31 07:20 639237576047657695
23 ms 104.21.21.91
41 2026-08-31 07:03 639237565832936443
10 ms 172.67.197.85
40 2026-08-31 07:03 639237565832936443
10 ms 104.21.21.91
39 2026-08-31 06:46 639237555466329546
90 ms 172.67.197.85
38 2026-08-31 06:46 639237555466329546
90 ms 104.21.21.91
37 2026-08-31 06:28 639237545032411072
14 ms 104.21.21.91
36 2026-08-31 06:28 639237545032411072
14 ms 172.67.197.85
35 2026-08-31 06:11 639237534469438634
33 ms 104.21.21.91
34 2026-08-31 06:11 639237534469438634
33 ms 172.67.197.85
33 2026-08-31 05:17 639237502279296801
23 ms 104.21.21.91
32 2026-08-31 05:17 639237502279296801
23 ms 172.67.197.85
31 2026-08-31 05:01 639237492362730124
10 ms 172.67.197.85
30 2026-08-31 05:01 639237492362730124
10 ms 104.21.21.91
29 2026-08-31 04:44 639237482311584319
12 ms 172.67.197.85
28 2026-08-31 04:44 639237482311584319
12 ms 104.21.21.91
27 2026-08-31 04:27 639237472150685594
20 ms 104.21.21.91
26 2026-08-31 04:27 639237472150685594
20 ms 172.67.197.85
25 2026-08-31 04:10 639237462055295430
42 ms 172.67.197.85
24 2026-08-31 04:10 639237462055295430
42 ms 104.21.21.91
23 2026-08-31 03:54 639237452089913890
-
22 2026-08-31 03:37 639237441972654103
9 ms 172.67.197.85
21 2026-08-31 03:37 639237441972654103
9 ms 104.21.21.91
20 2026-08-31 03:20 639237432052396478
27 ms 104.21.21.91
19 2026-08-31 03:20 639237432052396478
27 ms 172.67.197.85
18 2026-08-31 03:03 639237422012990851
7 ms 172.67.197.85
17 2026-08-31 03:03 639237422012990851
7 ms 104.21.21.91
16 2026-08-31 02:46 639237411889602012
14 ms 104.21.21.91
15 2026-08-31 02:46 639237411889602012
14 ms 172.67.197.85
14 2026-08-31 02:29 639237401637354221
48 ms 172.67.197.85
13 2026-08-31 02:29 639237401637354221
48 ms 104.21.21.91
12 2026-08-31 02:12 639237391412690360
7 ms 172.67.197.85
11 2026-08-31 02:12 639237391412690360
7 ms 104.21.21.91
10 2026-08-31 01:20 639237359972957132
28 ms 172.67.197.85
9 2026-08-31 01:20 639237359972957132
28 ms 104.21.21.91
8 2026-08-31 01:03 639237350032183979
2039 ms 104.21.21.91
7 2026-08-31 01:03 639237350032183979
2039 ms 172.67.197.85
6 2026-08-31 00:47 639237340111452066
27 ms 104.21.21.91
5 2026-08-31 00:47 639237340111452066
27 ms 172.67.197.85
4 2026-08-31 00:30 639237329967272514
10 ms 104.21.21.91
3 2026-08-31 00:30 639237329967272514
10 ms 172.67.197.85
2 2026-08-31 00:13 639237319916508151
17 ms 104.21.21.91
1 2026-08-31 00:13 639237319916508151
17 ms 172.67.197.85