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 2026-08-27. For this date, NameServerHistory found 142 DNS check records, 142 successful responses, 0 failed responses, and 284 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

142

Historical checks stored for this nameserver on selected date

Average Latency

284 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

104.21.21.91

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 ns1.openflows.net

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
27 ms 104.21.21.91
141 2026-08-27 23:11 639234690580226618
27 ms 172.67.197.85
140 2026-08-27 22:54 639234680477852135
14 ms 104.21.21.91
139 2026-08-27 22:54 639234680477852135
14 ms 172.67.197.85
138 2026-08-27 22:37 639234670282270693
8 ms 104.21.21.91
137 2026-08-27 22:37 639234670282270693
8 ms 172.67.197.85
136 2026-08-27 22:20 639234660146106544
100 ms 172.67.197.85
135 2026-08-27 22:20 639234660146106544
100 ms 104.21.21.91
134 2026-08-27 22:03 639234649768231829
13 ms 104.21.21.91
133 2026-08-27 22:03 639234649768231829
13 ms 172.67.197.85
132 2026-08-27 21:46 639234639589413826
11 ms 172.67.197.85
131 2026-08-27 21:46 639234639589413826
11 ms 104.21.21.91
130 2026-08-27 21:29 639234629372993861
12 ms 172.67.197.85
129 2026-08-27 21:29 639234629372993861
12 ms 104.21.21.91
128 2026-08-27 21:12 639234619223904344
26 ms 104.21.21.91
127 2026-08-27 21:12 639234619223904344
26 ms 172.67.197.85
126 2026-08-27 20:55 639234608944811927
129 ms 104.21.21.91
125 2026-08-27 20:55 639234608944811927
129 ms 172.67.197.85
124 2026-08-27 20:38 639234598661858910
31 ms 172.67.197.85
123 2026-08-27 20:38 639234598661858910
31 ms 104.21.21.91
122 2026-08-27 20:20 639234588314533893
51 ms 172.67.197.85
121 2026-08-27 20:20 639234588314533893
51 ms 104.21.21.91
120 2026-08-27 20:03 639234577878211878
17 ms 104.21.21.91
119 2026-08-27 20:03 639234577878211878
17 ms 172.67.197.85
118 2026-08-27 19:09 639234545578367474
59 ms 172.67.197.85
117 2026-08-27 19:09 639234545578367474
59 ms 104.21.21.91
116 2026-08-27 18:52 639234535255111795
19 ms 104.21.21.91
115 2026-08-27 18:52 639234535255111795
19 ms 172.67.197.85
114 2026-08-27 18:35 639234525107594067
24 ms 104.21.21.91
113 2026-08-27 18:35 639234525107594067
24 ms 172.67.197.85
112 2026-08-27 18:18 639234514890244566
19 ms 104.21.21.91
111 2026-08-27 18:18 639234514890244566
19 ms 172.67.197.85
110 2026-08-27 18:01 639234504745477862
21 ms 104.21.21.91
109 2026-08-27 18:01 639234504745477862
21 ms 172.67.197.85
108 2026-08-27 17:44 639234494449227290
2023 ms 104.21.21.91
107 2026-08-27 17:44 639234494449227290
2023 ms 172.67.197.85
106 2026-08-27 17:27 639234484118025686
4017 ms 104.21.21.91
105 2026-08-27 17:27 639234484118025686
4017 ms 172.67.197.85
104 2026-08-27 17:10 639234473946362077
94 ms 172.67.197.85
103 2026-08-27 17:10 639234473946362077
94 ms 104.21.21.91
102 2026-08-27 16:53 639234463759124388
18 ms 104.21.21.91
101 2026-08-27 16:53 639234463759124388
18 ms 172.67.197.85
100 2026-08-27 16:36 639234453500759178
10 ms 104.21.21.91
99 2026-08-27 16:36 639234453500759178
10 ms 172.67.197.85
98 2026-08-27 16:18 639234442983541638
16 ms 172.67.197.85
97 2026-08-27 16:18 639234442983541638
16 ms 104.21.21.91
96 2026-08-27 16:01 639234432404354562
13 ms 172.67.197.85
95 2026-08-27 16:01 639234432404354562
13 ms 104.21.21.91
94 2026-08-27 15:06 639234399767719119
43 ms 172.67.197.85
93 2026-08-27 15:06 639234399767719119
43 ms 104.21.21.91
92 2026-08-27 14:49 639234389460601485
17 ms 104.21.21.91
91 2026-08-27 14:49 639234389460601485
17 ms 172.67.197.85
90 2026-08-27 14:32 639234379227178707
2119 ms 172.67.197.85
89 2026-08-27 14:32 639234379227178707
2119 ms 104.21.21.91
88 2026-08-27 14:15 639234369065315214
10 ms 172.67.197.85
87 2026-08-27 14:15 639234369065315214
10 ms 104.21.21.91
86 2026-08-27 13:58 639234358825501576
22 ms 104.21.21.91
85 2026-08-27 13:58 639234358825501576
22 ms 172.67.197.85
84 2026-08-27 13:41 639234348572745268
2024 ms 104.21.21.91
83 2026-08-27 13:41 639234348572745268
2024 ms 172.67.197.85
82 2026-08-27 13:24 639234338264503481
12 ms 172.67.197.85
81 2026-08-27 13:24 639234338264503481
12 ms 104.21.21.91
80 2026-08-27 13:06 639234327818741376
24 ms 172.67.197.85
79 2026-08-27 13:06 639234327818741376
24 ms 104.21.21.91
78 2026-08-27 12:49 639234317475724313
11 ms 172.67.197.85
77 2026-08-27 12:49 639234317475724313
11 ms 104.21.21.91
76 2026-08-27 12:32 639234307007468133
10 ms 104.21.21.91
75 2026-08-27 12:32 639234307007468133
10 ms 172.67.197.85
74 2026-08-27 12:14 639234296664302575
2023 ms 172.67.197.85
73 2026-08-27 12:14 639234296664302575
2023 ms 104.21.21.91
72 2026-08-27 11:57 639234286253196126
43 ms 172.67.197.85
71 2026-08-27 11:57 639234286253196126
43 ms 104.21.21.91
70 2026-08-27 11:03 639234253963286387
64 ms 104.21.21.91
69 2026-08-27 11:03 639234253963286387
64 ms 172.67.197.85
68 2026-08-27 10:46 639234243654907465
27 ms 104.21.21.91
67 2026-08-27 10:46 639234243654907465
27 ms 172.67.197.85
66 2026-08-27 10:29 639234233269654413
16 ms 104.21.21.91
65 2026-08-27 10:29 639234233269654413
16 ms 172.67.197.85
64 2026-08-27 10:11 639234222943951923
52 ms 104.21.21.91
63 2026-08-27 10:11 639234222943951923
52 ms 172.67.197.85
62 2026-08-27 09:54 639234212558002823
18 ms 104.21.21.91
61 2026-08-27 09:54 639234212558002823
18 ms 172.67.197.85
60 2026-08-27 09:37 639234202117531850
81 ms 104.21.21.91
59 2026-08-27 09:37 639234202117531850
81 ms 172.67.197.85
58 2026-08-27 09:19 639234191649612722
23 ms 172.67.197.85
57 2026-08-27 09:19 639234191649612722
23 ms 104.21.21.91
56 2026-08-27 09:02 639234181105879568
14 ms 104.21.21.91
55 2026-08-27 09:02 639234181105879568
14 ms 172.67.197.85
54 2026-08-27 08:44 639234170713214496
41 ms 104.21.21.91
53 2026-08-27 08:44 639234170713214496
41 ms 172.67.197.85
52 2026-08-27 08:27 639234160341037652
2014 ms 104.21.21.91
51 2026-08-27 08:27 639234160341037652
2014 ms 172.67.197.85
50 2026-08-27 08:10 639234149799404224
17 ms 104.21.21.91
49 2026-08-27 08:10 639234149799404224
17 ms 172.67.197.85
48 2026-08-27 07:53 639234139553286469
36 ms 172.67.197.85
47 2026-08-27 07:53 639234139553286469
36 ms 104.21.21.91
46 2026-08-27 06:59 639234107183588293
18 ms 104.21.21.91
45 2026-08-27 06:59 639234107183588293
18 ms 172.67.197.85
44 2026-08-27 06:41 639234096905435724
29 ms 104.21.21.91
43 2026-08-27 06:41 639234096905435724
29 ms 172.67.197.85
42 2026-08-27 06:24 639234086579410775
17 ms 104.21.21.91
41 2026-08-27 06:24 639234086579410775
17 ms 172.67.197.85
40 2026-08-27 06:07 639234076291157956
43 ms 172.67.197.85
39 2026-08-27 06:07 639234076291157956
43 ms 104.21.21.91
38 2026-08-27 05:50 639234065981939454
17 ms 104.21.21.91
37 2026-08-27 05:50 639234065981939454
17 ms 172.67.197.85
36 2026-08-27 05:33 639234055548642997
36 ms 172.67.197.85
35 2026-08-27 05:33 639234055548642997
36 ms 104.21.21.91
34 2026-08-27 05:15 639234045267979603
55 ms 172.67.197.85
33 2026-08-27 05:15 639234045267979603
55 ms 104.21.21.91
32 2026-08-27 04:58 639234034999717463
16 ms 104.21.21.91
31 2026-08-27 04:58 639234034999717463
16 ms 172.67.197.85
30 2026-08-27 04:41 639234024739225358
42 ms 172.67.197.85
29 2026-08-27 04:41 639234024739225358
42 ms 104.21.21.91
28 2026-08-27 04:24 639234014311170162
32 ms 104.21.21.91
27 2026-08-27 04:24 639234014311170162
32 ms 172.67.197.85
26 2026-08-27 04:06 639234003806017640
16 ms 172.67.197.85
25 2026-08-27 04:06 639234003806017640
16 ms 104.21.21.91
24 2026-08-27 03:49 639233993356203030
2026 ms 104.21.21.91
23 2026-08-27 03:49 639233993356203030
2026 ms 172.67.197.85
22 2026-08-27 02:56 639233961301716608
10 ms 104.21.21.91
21 2026-08-27 02:56 639233961301716608
10 ms 172.67.197.85
20 2026-08-27 02:38 639233950834200647
9 ms 104.21.21.91
19 2026-08-27 02:38 639233950834200647
9 ms 172.67.197.85
18 2026-08-27 02:21 639233940431849026
9 ms 172.67.197.85
17 2026-08-27 02:21 639233940431849026
9 ms 104.21.21.91
16 2026-08-27 02:03 639233930110596398
19 ms 104.21.21.91
15 2026-08-27 02:03 639233930110596398
19 ms 172.67.197.85
14 2026-08-27 01:46 639233919705434540
37 ms 104.21.21.91
13 2026-08-27 01:46 639233919705434540
37 ms 172.67.197.85
12 2026-08-27 01:29 639233909452807845
46 ms 104.21.21.91
11 2026-08-27 01:29 639233909452807845
46 ms 172.67.197.85
10 2026-08-27 01:12 639233899096420820
36 ms 104.21.21.91
9 2026-08-27 01:12 639233899096420820
36 ms 172.67.197.85
8 2026-08-27 00:54 639233888707824939
11 ms 104.21.21.91
7 2026-08-27 00:54 639233888707824939
11 ms 172.67.197.85
6 2026-08-27 00:37 639233878461203802
12 ms 104.21.21.91
5 2026-08-27 00:37 639233878461203802
12 ms 172.67.197.85
4 2026-08-27 00:20 639233868060868209
31 ms 104.21.21.91
3 2026-08-27 00:20 639233868060868209
31 ms 172.67.197.85
2 2026-08-27 00:02 639233857450922991
2048 ms 104.21.21.91
1 2026-08-27 00:02 639233857450922991
2048 ms 172.67.197.85