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 2026-08-28. For this date, NameServerHistory found 112 DNS check records, 112 successful responses, 0 failed responses, and 168 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

112

Historical checks stored for this nameserver on selected date

Average Latency

168 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-28 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

112

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 2026-08-28 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
112 2026-08-28 23:45 639235574865467349
32 ms 104.21.21.91
111 2026-08-28 23:45 639235574865467349
32 ms 172.67.197.85
110 2026-08-28 23:28 639235564640220198
10 ms 104.21.21.91
109 2026-08-28 23:28 639235564640220198
10 ms 172.67.197.85
108 2026-08-28 23:11 639235554328938529
2072 ms 104.21.21.91
107 2026-08-28 23:11 639235554328938529
2072 ms 172.67.197.85
106 2026-08-28 22:53 639235543879452837
39 ms 104.21.21.91
105 2026-08-28 22:53 639235543879452837
39 ms 172.67.197.85
104 2026-08-28 22:00 639235511923394567
17 ms 104.21.21.91
103 2026-08-28 22:00 639235511923394567
17 ms 172.67.197.85
102 2026-08-28 21:43 639235501571282412
2021 ms 172.67.197.85
101 2026-08-28 21:43 639235501571282412
2021 ms 104.21.21.91
100 2026-08-28 21:25 639235491147763512
14 ms 172.67.197.85
99 2026-08-28 21:25 639235491147763512
14 ms 104.21.21.91
98 2026-08-28 21:08 639235480607057252
11 ms 104.21.21.91
97 2026-08-28 21:08 639235480607057252
11 ms 172.67.197.85
96 2026-08-28 20:14 639235448504869535
69 ms 104.21.21.91
95 2026-08-28 20:14 639235448504869535
69 ms 172.67.197.85
94 2026-08-28 19:57 639235438205961423
14 ms 104.21.21.91
93 2026-08-28 19:57 639235438205961423
14 ms 172.67.197.85
92 2026-08-28 19:40 639235427771603643
13 ms 104.21.21.91
91 2026-08-28 19:40 639235427771603643
13 ms 172.67.197.85
90 2026-08-28 19:22 639235417327437217
10 ms 172.67.197.85
89 2026-08-28 19:22 639235417327437217
10 ms 104.21.21.91
88 2026-08-28 18:29 639235385468729647
20 ms 172.67.197.85
87 2026-08-28 18:29 639235385468729647
20 ms 104.21.21.91
86 2026-08-28 18:12 639235375227508188
46 ms 104.21.21.91
85 2026-08-28 18:12 639235375227508188
46 ms 172.67.197.85
84 2026-08-28 17:55 639235364947407812
10 ms 104.21.21.91
83 2026-08-28 17:55 639235364947407812
10 ms 172.67.197.85
82 2026-08-28 17:37 639235354434017190
33 ms 172.67.197.85
81 2026-08-28 17:37 639235354434017190
33 ms 104.21.21.91
80 2026-08-28 16:44 639235322621629103
23 ms 104.21.21.91
79 2026-08-28 16:44 639235322621629103
23 ms 172.67.197.85
78 2026-08-28 16:27 639235312230592801
11 ms 104.21.21.91
77 2026-08-28 16:27 639235312230592801
11 ms 172.67.197.85
76 2026-08-28 16:09 639235301738139314
50 ms 104.21.21.91
75 2026-08-28 16:09 639235301738139314
50 ms 172.67.197.85
74 2026-08-28 15:52 639235291168160936
23 ms 172.67.197.85
73 2026-08-28 15:52 639235291168160936
23 ms 104.21.21.91
72 2026-08-28 14:58 639235258803654519
47 ms 172.67.197.85
71 2026-08-28 14:58 639235258803654519
47 ms 104.21.21.91
70 2026-08-28 14:41 639235248596087996
18 ms 172.67.197.85
69 2026-08-28 14:41 639235248596087996
18 ms 104.21.21.91
68 2026-08-28 14:24 639235238225955920
21 ms 104.21.21.91
67 2026-08-28 14:24 639235238225955920
21 ms 172.67.197.85
66 2026-08-28 14:06 639235227727862105
13 ms 172.67.197.85
65 2026-08-28 14:06 639235227727862105
13 ms 104.21.21.91
64 2026-08-28 13:12 639235195230848570
36 ms 104.21.21.91
63 2026-08-28 13:12 639235195230848570
36 ms 172.67.197.85
62 2026-08-28 12:55 639235184840503274
81 ms 172.67.197.85
61 2026-08-28 12:55 639235184840503274
81 ms 104.21.21.91
60 2026-08-28 12:37 639235174453894956
15 ms 104.21.21.91
59 2026-08-28 12:37 639235174453894956
15 ms 172.67.197.85
58 2026-08-28 12:20 639235163898672622
13 ms 172.67.197.85
57 2026-08-28 12:20 639235163898672622
13 ms 104.21.21.91
56 2026-08-28 11:27 639235132147470568
16 ms 104.21.21.91
55 2026-08-28 11:27 639235132147470568
16 ms 172.67.197.85
54 2026-08-28 11:10 639235121907744088
17 ms 104.21.21.91
53 2026-08-28 11:10 639235121907744088
17 ms 172.67.197.85
52 2026-08-28 10:52 639235111428014262
13 ms 172.67.197.85
51 2026-08-28 10:52 639235111428014262
13 ms 104.21.21.91
50 2026-08-28 10:35 639235100921813626
11 ms 104.21.21.91
49 2026-08-28 10:35 639235100921813626
11 ms 172.67.197.85
48 2026-08-28 09:41 639235068670703481
2015 ms 172.67.197.85
47 2026-08-28 09:41 639235068670703481
2015 ms 104.21.21.91
46 2026-08-28 09:24 639235058337459445
39 ms 104.21.21.91
45 2026-08-28 09:24 639235058337459445
39 ms 172.67.197.85
44 2026-08-28 09:06 639235047825109146
24 ms 172.67.197.85
43 2026-08-28 09:06 639235047825109146
24 ms 104.21.21.91
42 2026-08-28 08:49 639235037383229033
17 ms 104.21.21.91
41 2026-08-28 08:49 639235037383229033
17 ms 172.67.197.85
40 2026-08-28 07:56 639235005619242711
12 ms 172.67.197.85
39 2026-08-28 07:56 639235005619242711
12 ms 104.21.21.91
38 2026-08-28 07:39 639234995310346584
94 ms 104.21.21.91
37 2026-08-28 07:39 639234995310346584
94 ms 172.67.197.85
36 2026-08-28 07:21 639234984946548933
19 ms 104.21.21.91
35 2026-08-28 07:21 639234984946548933
19 ms 172.67.197.85
34 2026-08-28 07:04 639234974608077290
47 ms 104.21.21.91
33 2026-08-28 07:04 639234974608077290
47 ms 172.67.197.85
32 2026-08-28 06:11 639234942529845595
23 ms 172.67.197.85
31 2026-08-28 06:11 639234942529845595
23 ms 104.21.21.91
30 2026-08-28 05:54 639234932259126627
65 ms 104.21.21.91
29 2026-08-28 05:54 639234932259126627
65 ms 172.67.197.85
28 2026-08-28 05:36 639234921916735988
7 ms 104.21.21.91
27 2026-08-28 05:36 639234921916735988
7 ms 172.67.197.85
26 2026-08-28 05:19 639234911470038027
8 ms 104.21.21.91
25 2026-08-28 05:19 639234911470038027
8 ms 172.67.197.85
24 2026-08-28 04:26 639234879588411654
20 ms 172.67.197.85
23 2026-08-28 04:26 639234879588411654
20 ms 104.21.21.91
22 2026-08-28 04:09 639234869341589104
34 ms 104.21.21.91
21 2026-08-28 04:09 639234869341589104
34 ms 172.67.197.85
20 2026-08-28 03:52 639234859012216675
10 ms 172.67.197.85
19 2026-08-28 03:52 639234859012216675
10 ms 104.21.21.91
18 2026-08-28 03:34 639234848695364934
19 ms 104.21.21.91
17 2026-08-28 03:34 639234848695364934
19 ms 172.67.197.85
16 2026-08-28 02:42 639234816952458162
18 ms 104.21.21.91
15 2026-08-28 02:42 639234816952458162
18 ms 172.67.197.85
14 2026-08-28 02:25 639234806773081598
9 ms 172.67.197.85
13 2026-08-28 02:25 639234806773081598
9 ms 104.21.21.91
12 2026-08-28 02:07 639234796382955255
2016 ms 104.21.21.91
11 2026-08-28 02:07 639234796382955255
2016 ms 172.67.197.85
10 2026-08-28 01:50 639234786015782563
15 ms 104.21.21.91
9 2026-08-28 01:50 639234786015782563
15 ms 172.67.197.85
8 2026-08-28 00:56 639234753811917646
11 ms 172.67.197.85
7 2026-08-28 00:56 639234753811917646
11 ms 104.21.21.91
6 2026-08-28 00:39 639234743739767811
53 ms 172.67.197.85
5 2026-08-28 00:39 639234743739767811
53 ms 104.21.21.91
4 2026-08-28 00:22 639234733372362811
8 ms 172.67.197.85
3 2026-08-28 00:22 639234733372362811
8 ms 104.21.21.91
2 2026-08-28 00:05 639234723048550337
8 ms 104.21.21.91
1 2026-08-28 00:05 639234723048550337
8 ms 172.67.197.85