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 2026-08-25. For this date, NameServerHistory found 87 DNS check records, 86 successful responses, 1 failed responses, and 173 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

87

Historical checks stored for this nameserver on selected date

Average Latency

173 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 15:24

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

86

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 2026-08-25 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
87 2026-08-25 15:24 639232682238836475
2053 ms 104.21.21.91
86 2026-08-25 15:24 639232682238836475
2053 ms 172.67.197.85
85 2026-08-25 15:06 639232671787004306
28 ms 172.67.197.85
84 2026-08-25 15:06 639232671787004306
28 ms 104.21.21.91
83 2026-08-25 14:12 639232638994329666
39 ms 172.67.197.85
82 2026-08-25 14:12 639232638994329666
39 ms 104.21.21.91
81 2026-08-25 13:54 639232628614783237
34 ms 104.21.21.91
80 2026-08-25 13:54 639232628614783237
34 ms 172.67.197.85
79 2026-08-25 13:37 639232618360728578
16 ms 104.21.21.91
78 2026-08-25 13:37 639232618360728578
16 ms 172.67.197.85
77 2026-08-25 13:20 639232608016476376
18 ms 104.21.21.91
76 2026-08-25 13:20 639232608016476376
18 ms 172.67.197.85
75 2026-08-25 13:03 639232597643611557
67 ms 104.21.21.91
74 2026-08-25 13:03 639232597643611557
67 ms 172.67.197.85
73 2026-08-25 12:45 639232587225721862
26 ms 172.67.197.85
72 2026-08-25 12:45 639232587225721862
26 ms 104.21.21.91
71 2026-08-25 12:28 639232576780683689
17 ms 172.67.197.85
70 2026-08-25 12:28 639232576780683689
17 ms 104.21.21.91
69 2026-08-25 12:11 639232566381512620
20 ms 104.21.21.91
68 2026-08-25 12:11 639232566381512620
20 ms 172.67.197.85
67 2026-08-25 11:53 639232556111768563
31 ms 172.67.197.85
66 2026-08-25 11:53 639232556111768563
31 ms 104.21.21.91
65 2026-08-25 11:36 639232545839529039
47 ms 172.67.197.85
64 2026-08-25 11:36 639232545839529039
47 ms 104.21.21.91
63 2026-08-25 11:19 639232535349285207
73 ms 172.67.197.85
62 2026-08-25 11:19 639232535349285207
73 ms 104.21.21.91
61 2026-08-25 11:02 639232524938080723
12 ms 172.67.197.85
60 2026-08-25 11:02 639232524938080723
12 ms 104.21.21.91
59 2026-08-25 10:08 639232492740373468
65 ms 172.67.197.85
58 2026-08-25 10:08 639232492740373468
65 ms 104.21.21.91
57 2026-08-25 09:50 639232482235303141
59 ms 104.21.21.91
56 2026-08-25 09:50 639232482235303141
59 ms 172.67.197.85
55 2026-08-25 09:33 639232471861770303
39 ms 172.67.197.85
54 2026-08-25 09:33 639232471861770303
39 ms 104.21.21.91
53 2026-08-25 09:16 639232461630217327
28 ms 104.21.21.91
52 2026-08-25 09:16 639232461630217327
28 ms 172.67.197.85
51 2026-08-25 08:59 639232451282965990
16 ms 172.67.197.85
50 2026-08-25 08:59 639232451282965990
16 ms 104.21.21.91
49 2026-08-25 08:41 639232440814614938
38 ms 104.21.21.91
48 2026-08-25 08:41 639232440814614938
38 ms 172.67.197.85
47 2026-08-25 08:24 639232430410720425
97 ms 172.67.197.85
46 2026-08-25 08:24 639232430410720425
97 ms 104.21.21.91
45 2026-08-25 08:07 639232420003096185
34 ms 104.21.21.91
44 2026-08-25 08:07 639232420003096185
34 ms 172.67.197.85
43 2026-08-25 07:49 639232409467287444
40 ms 104.21.21.91
42 2026-08-25 07:49 639232409467287444
40 ms 172.67.197.85
41 2026-08-25 07:32 639232399077195997
2019 ms 104.21.21.91
40 2026-08-25 07:32 639232399077195997
2019 ms 172.67.197.85
39 2026-08-25 07:15 639232388731528337
14 ms 172.67.197.85
38 2026-08-25 07:15 639232388731528337
14 ms 104.21.21.91
37 2026-08-25 06:57 639232378288598612
25 ms 104.21.21.91
36 2026-08-25 06:57 639232378288598612
25 ms 172.67.197.85
35 2026-08-25 06:04 639232346196373643
35 ms 104.21.21.91
34 2026-08-25 06:04 639232346196373643
35 ms 172.67.197.85
33 2026-08-25 05:47 639232336112370741
2022 ms 104.21.21.91
32 2026-08-25 05:47 639232336112370741
2022 ms 172.67.197.85
31 2026-08-25 05:30 639232326146508970
25 ms 172.67.197.85
30 2026-08-25 05:30 639232326146508970
25 ms 104.21.21.91
29 2026-08-25 05:14 639232316189381720
32 ms 172.67.197.85
28 2026-08-25 05:14 639232316189381720
32 ms 104.21.21.91
27 2026-08-25 04:57 639232306217998913
33 ms 172.67.197.85
26 2026-08-25 04:57 639232306217998913
33 ms 104.21.21.91
25 2026-08-25 04:40 639232296255744174
8 ms 172.67.197.85
24 2026-08-25 04:40 639232296255744174
8 ms 104.21.21.91
23 2026-08-25 04:23 639232286095760789
33 ms 104.21.21.91
22 2026-08-25 04:23 639232286095760789
33 ms 172.67.197.85
21 2026-08-25 04:07 639232276086186273
36 ms 104.21.21.91
20 2026-08-25 04:07 639232276086186273
36 ms 172.67.197.85
19 2026-08-25 03:50 639232265900986425
16 ms 172.67.197.85
18 2026-08-25 03:50 639232265900986425
16 ms 104.21.21.91
17 2026-08-25 03:33 639232255723518075
55 ms 172.67.197.85
16 2026-08-25 03:33 639232255723518075
55 ms 104.21.21.91
15 2026-08-25 03:16 639232245484452890
13 ms 172.67.197.85
14 2026-08-25 03:16 639232245484452890
13 ms 104.21.21.91
13 2026-08-25 02:59 639232235157175331
32 ms 104.21.21.91
12 2026-08-25 02:59 639232235157175331
32 ms 172.67.197.85
11 2026-08-25 02:05 639232203197189095
15 ms 172.67.197.85
10 2026-08-25 02:05 639232203197189095
15 ms 104.21.21.91
9 2026-08-25 01:48 639232192844564298
23 ms 104.21.21.91
8 2026-08-25 01:48 639232192844564298
23 ms 172.67.197.85
7 2026-08-25 01:31 639232182496008942
-
6 2026-08-25 01:14 639232172197053132
11 ms 104.21.21.91
5 2026-08-25 01:14 639232172197053132
11 ms 172.67.197.85
4 2026-08-25 00:20 639232140250307418
47 ms 172.67.197.85
3 2026-08-25 00:20 639232140250307418
47 ms 104.21.21.91
2 2026-08-25 00:03 639232129927860324
64 ms 172.67.197.85
1 2026-08-25 00:03 639232129927860324
64 ms 104.21.21.91