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 2026-08-18. For this date, NameServerHistory found 149 DNS check records, 148 successful responses, 1 failed responses, and 88 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

149

Historical checks stored for this nameserver on selected date

Average Latency

88 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-18 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

148

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 dns01.opsource.net

Showing DNS history for 2026-08-18 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
149 2026-08-18 23:46 639226935204800669
50 ms 104.21.74.91
148 2026-08-18 23:46 639226935204800669
50 ms 172.67.201.16
147 2026-08-18 23:29 639226925298919497
43 ms 172.67.201.16
146 2026-08-18 23:29 639226925298919497
43 ms 104.21.74.91
145 2026-08-18 23:13 639226915487885053
24 ms 104.21.74.91
144 2026-08-18 23:13 639226915487885053
24 ms 172.67.201.16
143 2026-08-18 22:56 639226905465760034
6 ms 104.21.74.91
142 2026-08-18 22:56 639226905465760034
6 ms 172.67.201.16
141 2026-08-18 22:39 639226895378104692
9 ms 172.67.201.16
140 2026-08-18 22:39 639226895378104692
9 ms 104.21.74.91
139 2026-08-18 21:46 639226863374232622
68 ms 172.67.201.16
138 2026-08-18 21:46 639226863374232622
68 ms 104.21.74.91
137 2026-08-18 21:30 639226853698516058
12 ms 104.21.74.91
136 2026-08-18 21:30 639226853698516058
12 ms 172.67.201.16
135 2026-08-18 21:13 639226843797360601
32 ms 104.21.74.91
134 2026-08-18 21:13 639226843797360601
32 ms 172.67.201.16
133 2026-08-18 20:57 639226834046588155
27 ms 172.67.201.16
132 2026-08-18 20:57 639226834046588155
27 ms 104.21.74.91
131 2026-08-18 20:41 639226824234488533
8 ms 172.67.201.16
130 2026-08-18 20:41 639226824234488533
8 ms 104.21.74.91
129 2026-08-18 20:25 639226814549928621
18 ms 172.67.201.16
128 2026-08-18 20:25 639226814549928621
18 ms 104.21.74.91
127 2026-08-18 20:08 639226804721432353
62 ms 104.21.74.91
126 2026-08-18 20:08 639226804721432353
62 ms 172.67.201.16
125 2026-08-18 19:52 639226795048828184
34 ms 172.67.201.16
124 2026-08-18 19:52 639226795048828184
34 ms 104.21.74.91
123 2026-08-18 19:36 639226785202482420
17 ms 172.67.201.16
122 2026-08-18 19:36 639226785202482420
17 ms 104.21.74.91
121 2026-08-18 19:19 639226775309362607
17 ms 104.21.74.91
120 2026-08-18 19:19 639226775309362607
17 ms 172.67.201.16
119 2026-08-18 19:03 639226765406586155
2024 ms 172.67.201.16
118 2026-08-18 19:03 639226765406586155
2024 ms 104.21.74.91
117 2026-08-18 18:46 639226755437790519
19 ms 104.21.74.91
116 2026-08-18 18:46 639226755437790519
19 ms 172.67.201.16
115 2026-08-18 17:53 639226723856194457
24 ms 104.21.74.91
114 2026-08-18 17:53 639226723856194457
24 ms 172.67.201.16
113 2026-08-18 17:37 639226714050583422
6 ms 104.21.74.91
112 2026-08-18 17:37 639226714050583422
6 ms 172.67.201.16
111 2026-08-18 17:21 639226704236499724
11 ms 172.67.201.16
110 2026-08-18 17:21 639226704236499724
11 ms 104.21.74.91
109 2026-08-18 17:04 639226694184520163
48 ms 172.67.201.16
108 2026-08-18 17:04 639226694184520163
48 ms 104.21.74.91
107 2026-08-18 16:47 639226684161203477
40 ms 172.67.201.16
106 2026-08-18 16:47 639226684161203477
40 ms 104.21.74.91
105 2026-08-18 16:31 639226674305430109
44 ms 104.21.74.91
104 2026-08-18 16:31 639226674305430109
44 ms 172.67.201.16
103 2026-08-18 16:14 639226664489607984
24 ms 104.21.74.91
102 2026-08-18 16:14 639226664489607984
24 ms 172.67.201.16
101 2026-08-18 15:58 639226654533111667
36 ms 172.67.201.16
100 2026-08-18 15:58 639226654533111667
36 ms 104.21.74.91
99 2026-08-18 15:42 639226644778594725
5 ms 172.67.201.16
98 2026-08-18 15:42 639226644778594725
5 ms 104.21.74.91
97 2026-08-18 15:25 639226634901553621
204 ms 172.67.201.16
96 2026-08-18 15:25 639226634901553621
204 ms 104.21.74.91
95 2026-08-18 15:08 639226624921864967
17 ms 104.21.74.91
94 2026-08-18 15:08 639226624921864967
17 ms 172.67.201.16
93 2026-08-18 14:52 639226614939419403
37 ms 104.21.74.91
92 2026-08-18 14:52 639226614939419403
37 ms 172.67.201.16
91 2026-08-18 13:59 639226583021074771
12 ms 104.21.74.91
90 2026-08-18 13:59 639226583021074771
12 ms 172.67.201.16
89 2026-08-18 13:42 639226573279933585
20 ms 104.21.74.91
88 2026-08-18 13:42 639226573279933585
20 ms 172.67.201.16
87 2026-08-18 13:26 639226563494036301
10 ms 172.67.201.16
86 2026-08-18 13:26 639226563494036301
10 ms 104.21.74.91
85 2026-08-18 13:10 639226553708216256
39 ms 172.67.201.16
84 2026-08-18 13:10 639226553708216256
39 ms 104.21.74.91
83 2026-08-18 12:54 639226544003734815
6 ms 104.21.74.91
82 2026-08-18 12:54 639226544003734815
6 ms 172.67.201.16
81 2026-08-18 12:37 639226534105733155
29 ms 104.21.74.91
80 2026-08-18 12:37 639226534105733155
29 ms 172.67.201.16
79 2026-08-18 12:21 639226524298118898
-
78 2026-08-18 12:04 639226514525195335
63 ms 104.21.74.91
77 2026-08-18 12:04 639226514525195335
63 ms 172.67.201.16
76 2026-08-18 11:48 639226504703635320
13 ms 172.67.201.16
75 2026-08-18 11:48 639226504703635320
13 ms 104.21.74.91
74 2026-08-18 11:31 639226494737271720
7 ms 104.21.74.91
73 2026-08-18 11:31 639226494737271720
7 ms 172.67.201.16
72 2026-08-18 11:15 639226485005027236
32 ms 172.67.201.16
71 2026-08-18 11:15 639226485005027236
32 ms 104.21.74.91
70 2026-08-18 10:59 639226475133236105
88 ms 104.21.74.91
69 2026-08-18 10:59 639226475133236105
88 ms 172.67.201.16
68 2026-08-18 10:05 639226442975077052
7 ms 104.21.74.91
67 2026-08-18 10:05 639226442975077052
7 ms 172.67.201.16
66 2026-08-18 09:49 639226433317932039
35 ms 104.21.74.91
65 2026-08-18 09:49 639226433317932039
35 ms 172.67.201.16
64 2026-08-18 09:33 639226423688431096
61 ms 172.67.201.16
63 2026-08-18 09:33 639226423688431096
61 ms 104.21.74.91
62 2026-08-18 09:17 639226413998250045
76 ms 104.21.74.91
61 2026-08-18 09:17 639226413998250045
76 ms 172.67.201.16
60 2026-08-18 09:01 639226404284554875
15 ms 172.67.201.16
59 2026-08-18 09:01 639226404284554875
15 ms 104.21.74.91
58 2026-08-18 08:45 639226394637043309
8 ms 104.21.74.91
57 2026-08-18 08:45 639226394637043309
8 ms 172.67.201.16
56 2026-08-18 08:29 639226385052447582
21 ms 104.21.74.91
55 2026-08-18 08:29 639226385052447582
21 ms 172.67.201.16
54 2026-08-18 08:13 639226375506189603
57 ms 104.21.74.91
53 2026-08-18 08:13 639226375506189603
57 ms 172.67.201.16
52 2026-08-18 07:56 639226365690646426
40 ms 172.67.201.16
51 2026-08-18 07:56 639226365690646426
40 ms 104.21.74.91
50 2026-08-18 07:40 639226355771007701
10 ms 104.21.74.91
49 2026-08-18 07:40 639226355771007701
10 ms 172.67.201.16
48 2026-08-18 07:24 639226345946269369
146 ms 104.21.74.91
47 2026-08-18 07:24 639226345946269369
146 ms 172.67.201.16
46 2026-08-18 07:07 639226336241601848
26 ms 172.67.201.16
45 2026-08-18 07:07 639226336241601848
26 ms 104.21.74.91
44 2026-08-18 06:15 639226304950675290
89 ms 172.67.201.16
43 2026-08-18 06:15 639226304950675290
89 ms 104.21.74.91
42 2026-08-18 05:59 639226295324754616
17 ms 104.21.74.91
41 2026-08-18 05:59 639226295324754616
17 ms 172.67.201.16
40 2026-08-18 05:43 639226285824640601
39 ms 172.67.201.16
39 2026-08-18 05:43 639226285824640601
39 ms 104.21.74.91
38 2026-08-18 05:28 639226276321223917
34 ms 172.67.201.16
37 2026-08-18 05:28 639226276321223917
34 ms 104.21.74.91
36 2026-08-18 05:12 639226266800200046
12 ms 104.21.74.91
35 2026-08-18 05:12 639226266800200046
12 ms 172.67.201.16
34 2026-08-18 04:55 639226256958066164
31 ms 172.67.201.16
33 2026-08-18 04:55 639226256958066164
31 ms 104.21.74.91
32 2026-08-18 04:39 639226247432364597
30 ms 172.67.201.16
31 2026-08-18 04:39 639226247432364597
30 ms 104.21.74.91
30 2026-08-18 04:23 639226237703388552
36 ms 104.21.74.91
29 2026-08-18 04:23 639226237703388552
36 ms 172.67.201.16
28 2026-08-18 04:07 639226227937569589
45 ms 104.21.74.91
27 2026-08-18 04:07 639226227937569589
45 ms 172.67.201.16
26 2026-08-18 03:50 639226218052465471
43 ms 104.21.74.91
25 2026-08-18 03:50 639226218052465471
43 ms 172.67.201.16
24 2026-08-18 03:34 639226208429623997
11 ms 104.21.74.91
23 2026-08-18 03:34 639226208429623997
11 ms 172.67.201.16
22 2026-08-18 03:18 639226198800675295
9 ms 104.21.74.91
21 2026-08-18 03:18 639226198800675295
9 ms 172.67.201.16
20 2026-08-18 02:27 639226167722042574
16 ms 104.21.74.91
19 2026-08-18 02:27 639226167722042574
16 ms 172.67.201.16
18 2026-08-18 02:11 639226158277924383
17 ms 104.21.74.91
17 2026-08-18 02:11 639226158277924383
17 ms 172.67.201.16
16 2026-08-18 01:55 639226148757810592
59 ms 104.21.74.91
15 2026-08-18 01:55 639226148757810592
59 ms 172.67.201.16
14 2026-08-18 01:39 639226139348611045
32 ms 172.67.201.16
13 2026-08-18 01:39 639226139348611045
32 ms 104.21.74.91
12 2026-08-18 01:23 639226129823462907
82 ms 172.67.201.16
11 2026-08-18 01:23 639226129823462907
82 ms 104.21.74.91
10 2026-08-18 01:07 639226120218260005
8 ms 104.21.74.91
9 2026-08-18 01:07 639226120218260005
8 ms 172.67.201.16
8 2026-08-18 00:52 639226110875503904
19 ms 172.67.201.16
7 2026-08-18 00:52 639226110875503904
19 ms 104.21.74.91
6 2026-08-18 00:36 639226101376311912
8 ms 104.21.74.91
5 2026-08-18 00:36 639226101376311912
8 ms 172.67.201.16
4 2026-08-18 00:20 639226091924943492
35 ms 172.67.201.16
3 2026-08-18 00:20 639226091924943492
35 ms 104.21.74.91
2 2026-08-18 00:04 639226082133158124
2022 ms 104.21.74.91
1 2026-08-18 00:04 639226082133158124
2022 ms 172.67.201.16