DNS response history for dns01.opsource.net

dns01.opsource.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 2026-08-21. For this date, NameServerHistory found 144 DNS check records, 144 successful responses, 0 failed responses, and 139 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 dns01.opsource.net.
Records on Selected Date

144

Historical checks stored for this nameserver on selected date

Average Latency

139 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-21 23:46

All timestamps shown in UTC

Latest Resolved IP on Selected Date

104.21.74.91

Most recently resolved hosting IP on selected date

Successful Responses

144

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 dns01.opsource.net

Showing DNS history for 2026-08-21 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
144 2026-08-21 23:46 639229527598660841
2027 ms 104.21.74.91
143 2026-08-21 23:46 639229527598660841
2027 ms 172.67.201.16
142 2026-08-21 23:30 639229517954323214
6 ms 172.67.201.16
141 2026-08-21 23:30 639229517954323214
6 ms 104.21.74.91
140 2026-08-21 23:14 639229508269999021
109 ms 172.67.201.16
139 2026-08-21 23:14 639229508269999021
109 ms 104.21.74.91
138 2026-08-21 22:58 639229498559060171
20 ms 104.21.74.91
137 2026-08-21 22:58 639229498559060171
20 ms 172.67.201.16
136 2026-08-21 22:41 639229488519347586
2018 ms 104.21.74.91
135 2026-08-21 22:41 639229488519347586
2018 ms 172.67.201.16
134 2026-08-21 21:48 639229456606578934
23 ms 104.21.74.91
133 2026-08-21 21:48 639229456606578934
23 ms 172.67.201.16
132 2026-08-21 21:32 639229446985772499
68 ms 104.21.74.91
131 2026-08-21 21:32 639229446985772499
68 ms 172.67.201.16
130 2026-08-21 21:16 639229437367313098
42 ms 172.67.201.16
129 2026-08-21 21:16 639229437367313098
42 ms 104.21.74.91
128 2026-08-21 21:00 639229427923950391
30 ms 172.67.201.16
127 2026-08-21 21:00 639229427923950391
30 ms 104.21.74.91
126 2026-08-21 20:44 639229418168588854
16 ms 104.21.74.91
125 2026-08-21 20:44 639229418168588854
16 ms 172.67.201.16
124 2026-08-21 20:28 639229408345678334
29 ms 172.67.201.16
123 2026-08-21 20:28 639229408345678334
29 ms 104.21.74.91
122 2026-08-21 20:11 639229398616354648
43 ms 172.67.201.16
121 2026-08-21 20:11 639229398616354648
43 ms 104.21.74.91
120 2026-08-21 19:55 639229388634592323
17 ms 172.67.201.16
119 2026-08-21 19:55 639229388634592323
17 ms 104.21.74.91
118 2026-08-21 19:38 639229378792837692
13 ms 104.21.74.91
117 2026-08-21 19:38 639229378792837692
13 ms 172.67.201.16
116 2026-08-21 19:22 639229369154682311
5 ms 104.21.74.91
115 2026-08-21 19:22 639229369154682311
5 ms 172.67.201.16
114 2026-08-21 19:06 639229359248017926
58 ms 104.21.74.91
113 2026-08-21 19:06 639229359248017926
58 ms 172.67.201.16
112 2026-08-21 18:49 639229349124294642
16 ms 104.21.74.91
111 2026-08-21 18:49 639229349124294642
16 ms 172.67.201.16
110 2026-08-21 17:57 639229317791715692
20 ms 172.67.201.16
109 2026-08-21 17:57 639229317791715692
20 ms 104.21.74.91
108 2026-08-21 17:41 639229308115194575
39 ms 172.67.201.16
107 2026-08-21 17:41 639229308115194575
39 ms 104.21.74.91
106 2026-08-21 17:24 639229298320320558
7 ms 104.21.74.91
105 2026-08-21 17:24 639229298320320558
7 ms 172.67.201.16
104 2026-08-21 17:08 639229288674863221
50 ms 104.21.74.91
103 2026-08-21 17:08 639229288674863221
50 ms 172.67.201.16
102 2026-08-21 16:52 639229278983677079
10 ms 104.21.74.91
101 2026-08-21 16:52 639229278983677079
10 ms 172.67.201.16
100 2026-08-21 16:36 639229269405517175
7 ms 172.67.201.16
99 2026-08-21 16:36 639229269405517175
7 ms 104.21.74.91
98 2026-08-21 16:20 639229259594798244
33 ms 172.67.201.16
97 2026-08-21 16:20 639229259594798244
33 ms 104.21.74.91
96 2026-08-21 16:03 639229249736681188
25 ms 172.67.201.16
95 2026-08-21 16:03 639229249736681188
25 ms 104.21.74.91
94 2026-08-21 15:46 639229239699417787
33 ms 104.21.74.91
93 2026-08-21 15:46 639229239699417787
33 ms 172.67.201.16
92 2026-08-21 15:30 639229229621964033
43 ms 104.21.74.91
91 2026-08-21 15:30 639229229621964033
43 ms 172.67.201.16
90 2026-08-21 15:13 639229219567270965
55 ms 172.67.201.16
89 2026-08-21 15:13 639229219567270965
55 ms 104.21.74.91
88 2026-08-21 14:56 639229209406666856
68 ms 104.21.74.91
87 2026-08-21 14:56 639229209406666856
68 ms 172.67.201.16
86 2026-08-21 14:03 639229177815876178
8 ms 172.67.201.16
85 2026-08-21 14:03 639229177815876178
8 ms 104.21.74.91
84 2026-08-21 13:47 639229168243572685
28 ms 104.21.74.91
83 2026-08-21 13:47 639229168243572685
28 ms 172.67.201.16
82 2026-08-21 13:31 639229158599856475
22 ms 172.67.201.16
81 2026-08-21 13:31 639229158599856475
22 ms 104.21.74.91
80 2026-08-21 13:15 639229148998940902
98 ms 104.21.74.91
79 2026-08-21 13:15 639229148998940902
98 ms 172.67.201.16
78 2026-08-21 12:59 639229139276923594
18 ms 104.21.74.91
77 2026-08-21 12:59 639229139276923594
18 ms 172.67.201.16
76 2026-08-21 12:43 639229129709912394
11 ms 172.67.201.16
75 2026-08-21 12:43 639229129709912394
11 ms 104.21.74.91
74 2026-08-21 12:27 639229119801488500
15 ms 104.21.74.91
73 2026-08-21 12:27 639229119801488500
15 ms 172.67.201.16
72 2026-08-21 12:11 639229110135262458
9 ms 104.21.74.91
71 2026-08-21 12:11 639229110135262458
9 ms 172.67.201.16
70 2026-08-21 11:54 639229100336051392
34 ms 104.21.74.91
69 2026-08-21 11:54 639229100336051392
34 ms 172.67.201.16
68 2026-08-21 11:38 639229090641415626
56 ms 172.67.201.16
67 2026-08-21 11:38 639229090641415626
56 ms 104.21.74.91
66 2026-08-21 11:21 639229080702683947
23 ms 104.21.74.91
65 2026-08-21 11:21 639229080702683947
23 ms 172.67.201.16
64 2026-08-21 11:05 639229070601456699
28 ms 172.67.201.16
63 2026-08-21 11:05 639229070601456699
28 ms 104.21.74.91
62 2026-08-21 10:12 639229038947447232
2020 ms 172.67.201.16
61 2026-08-21 10:12 639229038947447232
2020 ms 104.21.74.91
60 2026-08-21 09:56 639229029268708773
17 ms 172.67.201.16
59 2026-08-21 09:56 639229029268708773
17 ms 104.21.74.91
58 2026-08-21 09:40 639229019647910603
7 ms 104.21.74.91
57 2026-08-21 09:40 639229019647910603
7 ms 172.67.201.16
56 2026-08-21 09:24 639229009983843738
20 ms 172.67.201.16
55 2026-08-21 09:24 639229009983843738
20 ms 104.21.74.91
54 2026-08-21 09:07 639229000203331882
40 ms 172.67.201.16
53 2026-08-21 09:07 639229000203331882
40 ms 104.21.74.91
52 2026-08-21 08:51 639228990302335999
30 ms 104.21.74.91
51 2026-08-21 08:51 639228990302335999
30 ms 172.67.201.16
50 2026-08-21 08:35 639228980567740722
6 ms 172.67.201.16
49 2026-08-21 08:35 639228980567740722
6 ms 104.21.74.91
48 2026-08-21 08:18 639228970762445174
53 ms 172.67.201.16
47 2026-08-21 08:18 639228970762445174
53 ms 104.21.74.91
46 2026-08-21 08:02 639228961065054445
11 ms 104.21.74.91
45 2026-08-21 08:02 639228961065054445
11 ms 172.67.201.16
44 2026-08-21 07:46 639228951224649885
34 ms 104.21.74.91
43 2026-08-21 07:46 639228951224649885
34 ms 172.67.201.16
42 2026-08-21 07:29 639228941303864592
14 ms 172.67.201.16
41 2026-08-21 07:29 639228941303864592
14 ms 104.21.74.91
40 2026-08-21 07:12 639228931191328583
57 ms 104.21.74.91
39 2026-08-21 07:12 639228931191328583
57 ms 172.67.201.16
38 2026-08-21 06:20 639228899518173317
37 ms 172.67.201.16
37 2026-08-21 06:20 639228899518173317
37 ms 104.21.74.91
36 2026-08-21 06:03 639228889785027669
8 ms 172.67.201.16
35 2026-08-21 06:03 639228889785027669
8 ms 104.21.74.91
34 2026-08-21 05:47 639228880106330161
7 ms 172.67.201.16
33 2026-08-21 05:47 639228880106330161
7 ms 104.21.74.91
32 2026-08-21 05:31 639228870316184091
68 ms 104.21.74.91
31 2026-08-21 05:31 639228870316184091
68 ms 172.67.201.16
30 2026-08-21 05:15 639228860695366512
2023 ms 172.67.201.16
29 2026-08-21 05:15 639228860695366512
2023 ms 104.21.74.91
28 2026-08-21 04:59 639228851027209500
56 ms 104.21.74.91
27 2026-08-21 04:59 639228851027209500
56 ms 172.67.201.16
26 2026-08-21 04:43 639228841479265462
16 ms 172.67.201.16
25 2026-08-21 04:43 639228841479265462
16 ms 104.21.74.91
24 2026-08-21 04:27 639228831752962260
7 ms 104.21.74.91
23 2026-08-21 04:27 639228831752962260
7 ms 172.67.201.16
22 2026-08-21 04:10 639228821953295483
14 ms 104.21.74.91
21 2026-08-21 04:10 639228821953295483
14 ms 172.67.201.16
20 2026-08-21 03:54 639228812227429953
33 ms 104.21.74.91
19 2026-08-21 03:54 639228812227429953
33 ms 172.67.201.16
18 2026-08-21 03:38 639228802476107538
13 ms 172.67.201.16
17 2026-08-21 03:38 639228802476107538
13 ms 104.21.74.91
16 2026-08-21 03:21 639228792525492032
7 ms 172.67.201.16
15 2026-08-21 03:21 639228792525492032
7 ms 104.21.74.91
14 2026-08-21 02:29 639228761131421385
33 ms 172.67.201.16
13 2026-08-21 02:29 639228761131421385
33 ms 104.21.74.91
12 2026-08-21 02:13 639228751571206692
8 ms 172.67.201.16
11 2026-08-21 02:13 639228751571206692
8 ms 104.21.74.91
10 2026-08-21 01:56 639228741705571019
26 ms 104.21.74.91
9 2026-08-21 01:56 639228741705571019
26 ms 172.67.201.16
8 2026-08-21 01:40 639228731642208228
17 ms 172.67.201.16
7 2026-08-21 01:40 639228731642208228
17 ms 104.21.74.91
6 2026-08-21 00:48 639228700387002072
8 ms 172.67.201.16
5 2026-08-21 00:48 639228700387002072
8 ms 104.21.74.91
4 2026-08-21 00:32 639228690742014433
21 ms 172.67.201.16
3 2026-08-21 00:32 639228690742014433
21 ms 104.21.74.91
2 2026-08-21 00:15 639228680877937122
49 ms 104.21.74.91
1 2026-08-21 00:15 639228680877937122
49 ms 172.67.201.16