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 2026-08-19. For this date, NameServerHistory found 149 DNS check records, 148 successful responses, 1 failed responses, and 117 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

117 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-19 23:56

All timestamps shown in UTC

Latest Resolved IP on Selected Date

172.67.201.16

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 2026-08-19 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 2026-08-19 23:56 639227805445376839
12 ms 172.67.201.16
148 2026-08-19 23:56 639227805445376839
12 ms 104.21.74.91
147 2026-08-19 23:40 639227795899225951
37 ms 104.21.74.91
146 2026-08-19 23:40 639227795899225951
37 ms 172.67.201.16
145 2026-08-19 23:24 639227786351762008
23 ms 104.21.74.91
144 2026-08-19 23:24 639227786351762008
23 ms 172.67.201.16
143 2026-08-19 23:08 639227776640591733
13 ms 104.21.74.91
142 2026-08-19 23:08 639227776640591733
13 ms 172.67.201.16
141 2026-08-19 22:52 639227767128841282
10 ms 172.67.201.16
140 2026-08-19 22:52 639227767128841282
10 ms 104.21.74.91
139 2026-08-19 22:36 639227757477304711
23 ms 104.21.74.91
138 2026-08-19 22:36 639227757477304711
23 ms 172.67.201.16
137 2026-08-19 22:20 639227747572098014
10 ms 172.67.201.16
136 2026-08-19 22:20 639227747572098014
10 ms 104.21.74.91
135 2026-08-19 22:03 639227737588613113
56 ms 104.21.74.91
134 2026-08-19 22:03 639227737588613113
56 ms 172.67.201.16
133 2026-08-19 21:11 639227706134603955
11 ms 104.21.74.91
132 2026-08-19 21:11 639227706134603955
11 ms 172.67.201.16
131 2026-08-19 20:55 639227696589027396
36 ms 172.67.201.16
130 2026-08-19 20:55 639227696589027396
36 ms 104.21.74.91
129 2026-08-19 20:39 639227687097707639
146 ms 172.67.201.16
128 2026-08-19 20:39 639227687097707639
146 ms 104.21.74.91
127 2026-08-19 20:23 639227677474464487
2119 ms 104.21.74.91
126 2026-08-19 20:23 639227677474464487
2119 ms 172.67.201.16
125 2026-08-19 20:07 639227667767441118
29 ms 104.21.74.91
124 2026-08-19 20:07 639227667767441118
29 ms 172.67.201.16
123 2026-08-19 19:50 639227657984833832
20 ms 172.67.201.16
122 2026-08-19 19:50 639227657984833832
20 ms 104.21.74.91
121 2026-08-19 19:34 639227648079992640
32 ms 104.21.74.91
120 2026-08-19 19:34 639227648079992640
32 ms 172.67.201.16
119 2026-08-19 19:17 639227638125048441
12 ms 172.67.201.16
118 2026-08-19 19:17 639227638125048441
12 ms 104.21.74.91
117 2026-08-19 19:01 639227628211392142
44 ms 172.67.201.16
116 2026-08-19 19:01 639227628211392142
44 ms 104.21.74.91
115 2026-08-19 18:44 639227618261696275
26 ms 172.67.201.16
114 2026-08-19 18:44 639227618261696275
26 ms 104.21.74.91
113 2026-08-19 18:28 639227608366233645
41 ms 172.67.201.16
112 2026-08-19 18:28 639227608366233645
41 ms 104.21.74.91
111 2026-08-19 18:11 639227598301787588
29 ms 172.67.201.16
110 2026-08-19 18:11 639227598301787588
29 ms 104.21.74.91
109 2026-08-19 17:17 639227566241010716
60 ms 172.67.201.16
108 2026-08-19 17:17 639227566241010716
60 ms 104.21.74.91
107 2026-08-19 17:01 639227556454538959
97 ms 104.21.74.91
106 2026-08-19 17:01 639227556454538959
97 ms 172.67.201.16
105 2026-08-19 16:45 639227546640305542
6 ms 172.67.201.16
104 2026-08-19 16:45 639227546640305542
6 ms 104.21.74.91
103 2026-08-19 16:29 639227536965466472
34 ms 104.21.74.91
102 2026-08-19 16:29 639227536965466472
34 ms 172.67.201.16
101 2026-08-19 16:12 639227527048658280
53 ms 104.21.74.91
100 2026-08-19 16:12 639227527048658280
53 ms 172.67.201.16
99 2026-08-19 15:56 639227517386634438
41 ms 104.21.74.91
98 2026-08-19 15:56 639227517386634438
41 ms 172.67.201.16
97 2026-08-19 15:39 639227507459551637
20 ms 172.67.201.16
96 2026-08-19 15:39 639227507459551637
20 ms 104.21.74.91
95 2026-08-19 15:23 639227497515595277
13 ms 172.67.201.16
94 2026-08-19 15:23 639227497515595277
13 ms 104.21.74.91
93 2026-08-19 15:06 639227487441798036
2055 ms 104.21.74.91
92 2026-08-19 15:06 639227487441798036
2055 ms 172.67.201.16
91 2026-08-19 14:49 639227477445551863
13 ms 104.21.74.91
90 2026-08-19 14:49 639227477445551863
13 ms 172.67.201.16
89 2026-08-19 14:32 639227467297067891
20 ms 104.21.74.91
88 2026-08-19 14:32 639227467297067891
20 ms 172.67.201.16
87 2026-08-19 14:15 639227457057795635
7 ms 172.67.201.16
86 2026-08-19 14:15 639227457057795635
7 ms 104.21.74.91
85 2026-08-19 13:22 639227425244777397
73 ms 104.21.74.91
84 2026-08-19 13:22 639227425244777397
73 ms 172.67.201.16
83 2026-08-19 13:06 639227415422116485
69 ms 172.67.201.16
82 2026-08-19 13:06 639227415422116485
69 ms 104.21.74.91
81 2026-08-19 12:49 639227405307256053
13 ms 172.67.201.16
80 2026-08-19 12:49 639227405307256053
13 ms 104.21.74.91
79 2026-08-19 12:33 639227395396602630
6 ms 104.21.74.91
78 2026-08-19 12:33 639227395396602630
6 ms 172.67.201.16
77 2026-08-19 12:16 639227385510363611
81 ms 172.67.201.16
76 2026-08-19 12:16 639227385510363611
81 ms 104.21.74.91
75 2026-08-19 12:00 639227375508324850
7 ms 172.67.201.16
74 2026-08-19 12:00 639227375508324850
7 ms 104.21.74.91
73 2026-08-19 11:43 639227365326611906
24 ms 172.67.201.16
72 2026-08-19 11:43 639227365326611906
24 ms 104.21.74.91
71 2026-08-19 11:26 639227355360014208
46 ms 104.21.74.91
70 2026-08-19 11:26 639227355360014208
46 ms 172.67.201.16
69 2026-08-19 11:09 639227345036782165
40 ms 172.67.201.16
68 2026-08-19 11:09 639227345036782165
40 ms 104.21.74.91
67 2026-08-19 10:52 639227334992964533
64 ms 172.67.201.16
66 2026-08-19 10:52 639227334992964533
64 ms 104.21.74.91
65 2026-08-19 10:35 639227324986605572
54 ms 172.67.201.16
64 2026-08-19 10:35 639227324986605572
54 ms 104.21.74.91
63 2026-08-19 10:19 639227314928414539
32 ms 104.21.74.91
62 2026-08-19 10:19 639227314928414539
32 ms 172.67.201.16
61 2026-08-19 09:25 639227283029182134
50 ms 104.21.74.91
60 2026-08-19 09:25 639227283029182134
50 ms 172.67.201.16
59 2026-08-19 09:09 639227273294779350
34 ms 104.21.74.91
58 2026-08-19 09:09 639227273294779350
34 ms 172.67.201.16
57 2026-08-19 08:53 639227263525231313
34 ms 104.21.74.91
56 2026-08-19 08:53 639227263525231313
34 ms 172.67.201.16
55 2026-08-19 08:36 639227253578313363
13 ms 172.67.201.16
54 2026-08-19 08:36 639227253578313363
13 ms 104.21.74.91
53 2026-08-19 08:20 639227243649973322
2031 ms 104.21.74.91
52 2026-08-19 08:20 639227243649973322
2031 ms 172.67.201.16
51 2026-08-19 08:03 639227233581059317
57 ms 172.67.201.16
50 2026-08-19 08:03 639227233581059317
57 ms 104.21.74.91
49 2026-08-19 07:47 639227223667352067
-
48 2026-08-19 07:30 639227213714837066
28 ms 172.67.201.16
47 2026-08-19 07:30 639227213714837066
28 ms 104.21.74.91
46 2026-08-19 07:13 639227203701208496
110 ms 104.21.74.91
45 2026-08-19 07:13 639227203701208496
110 ms 172.67.201.16
44 2026-08-19 06:56 639227193643202179
10 ms 172.67.201.16
43 2026-08-19 06:56 639227193643202179
10 ms 104.21.74.91
42 2026-08-19 06:40 639227183584431597
7 ms 104.21.74.91
41 2026-08-19 06:40 639227183584431597
7 ms 172.67.201.16
40 2026-08-19 06:23 639227173347403088
29 ms 104.21.74.91
39 2026-08-19 06:23 639227173347403088
29 ms 172.67.201.16
38 2026-08-19 05:29 639227141523007601
39 ms 172.67.201.16
37 2026-08-19 05:29 639227141523007601
39 ms 104.21.74.91
36 2026-08-19 05:13 639227131785931574
11 ms 104.21.74.91
35 2026-08-19 05:13 639227131785931574
11 ms 172.67.201.16
34 2026-08-19 04:57 639227122176475389
19 ms 104.21.74.91
33 2026-08-19 04:57 639227122176475389
19 ms 172.67.201.16
32 2026-08-19 04:41 639227112668934596
7 ms 104.21.74.91
31 2026-08-19 04:41 639227112668934596
7 ms 172.67.201.16
30 2026-08-19 04:25 639227102773292788
52 ms 104.21.74.91
29 2026-08-19 04:25 639227102773292788
52 ms 172.67.201.16
28 2026-08-19 04:09 639227093141136930
5 ms 104.21.74.91
27 2026-08-19 04:09 639227093141136930
5 ms 172.67.201.16
26 2026-08-19 03:53 639227083449420147
57 ms 172.67.201.16
25 2026-08-19 03:53 639227083449420147
57 ms 104.21.74.91
24 2026-08-19 03:37 639227073771748493
26 ms 104.21.74.91
23 2026-08-19 03:37 639227073771748493
26 ms 172.67.201.16
22 2026-08-19 03:20 639227063977347614
63 ms 172.67.201.16
21 2026-08-19 03:20 639227063977347614
63 ms 104.21.74.91
20 2026-08-19 03:04 639227054253519024
34 ms 104.21.74.91
19 2026-08-19 03:04 639227054253519024
34 ms 172.67.201.16
18 2026-08-19 02:48 639227044381963886
46 ms 104.21.74.91
17 2026-08-19 02:48 639227044381963886
46 ms 172.67.201.16
16 2026-08-19 02:31 639227034441085514
11 ms 172.67.201.16
15 2026-08-19 02:31 639227034441085514
11 ms 104.21.74.91
14 2026-08-19 01:39 639227003126489968
10 ms 104.21.74.91
13 2026-08-19 01:39 639227003126489968
10 ms 172.67.201.16
12 2026-08-19 01:23 639226993456311614
63 ms 104.21.74.91
11 2026-08-19 01:23 639226993456311614
63 ms 172.67.201.16
10 2026-08-19 01:07 639226983847312345
47 ms 172.67.201.16
9 2026-08-19 01:07 639226983847312345
47 ms 104.21.74.91
8 2026-08-19 00:51 639226974357874853
31 ms 172.67.201.16
7 2026-08-19 00:51 639226974357874853
31 ms 104.21.74.91
6 2026-08-19 00:35 639226964670484721
6 ms 172.67.201.16
5 2026-08-19 00:35 639226964670484721
6 ms 104.21.74.91
4 2026-08-19 00:18 639226954857899696
16 ms 104.21.74.91
3 2026-08-19 00:18 639226954857899696
16 ms 172.67.201.16
2 2026-08-19 00:02 639226945091603488
21 ms 172.67.201.16
1 2026-08-19 00:02 639226945091603488
21 ms 104.21.74.91