DNS response history for dns04.opsource.net

dns04.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 198 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 dns04.opsource.net.
Records on Selected Date

149

Historical checks stored for this nameserver on selected date

Average Latency

198 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

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 dns04.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
10 ms 104.21.74.91
148 2026-08-19 23:56 639227805445376839
10 ms 172.67.201.16
147 2026-08-19 23:40 639227795899225951
15 ms 104.21.74.91
146 2026-08-19 23:40 639227795899225951
15 ms 172.67.201.16
145 2026-08-19 23:24 639227786351762008
2134 ms 172.67.201.16
144 2026-08-19 23:24 639227786351762008
2134 ms 104.21.74.91
143 2026-08-19 23:07 639227776640591733
2059 ms 172.67.201.16
142 2026-08-19 23:07 639227776640591733
2059 ms 104.21.74.91
141 2026-08-19 22:52 639227767128841282
9 ms 104.21.74.91
140 2026-08-19 22:52 639227767128841282
9 ms 172.67.201.16
139 2026-08-19 22:36 639227757477304711
34 ms 172.67.201.16
138 2026-08-19 22:36 639227757477304711
34 ms 104.21.74.91
137 2026-08-19 22:19 639227747572098014
19 ms 172.67.201.16
136 2026-08-19 22:19 639227747572098014
19 ms 104.21.74.91
135 2026-08-19 22:02 639227737588613113
141 ms 104.21.74.91
134 2026-08-19 22:02 639227737588613113
141 ms 172.67.201.16
133 2026-08-19 21:10 639227706134603955
8 ms 172.67.201.16
132 2026-08-19 21:10 639227706134603955
8 ms 104.21.74.91
131 2026-08-19 20:54 639227696589027396
52 ms 172.67.201.16
130 2026-08-19 20:54 639227696589027396
52 ms 104.21.74.91
129 2026-08-19 20:38 639227687097707639
20 ms 104.21.74.91
128 2026-08-19 20:38 639227687097707639
20 ms 172.67.201.16
127 2026-08-19 20:22 639227677474464487
15 ms 172.67.201.16
126 2026-08-19 20:22 639227677474464487
15 ms 104.21.74.91
125 2026-08-19 20:06 639227667767441118
36 ms 104.21.74.91
124 2026-08-19 20:06 639227667767441118
36 ms 172.67.201.16
123 2026-08-19 19:50 639227657984833832
35 ms 104.21.74.91
122 2026-08-19 19:50 639227657984833832
35 ms 172.67.201.16
121 2026-08-19 19:33 639227648079992640
22 ms 104.21.74.91
120 2026-08-19 19:33 639227648079992640
22 ms 172.67.201.16
119 2026-08-19 19:17 639227638125048441
-
118 2026-08-19 19:00 639227628211392142
138 ms 104.21.74.91
117 2026-08-19 19:00 639227628211392142
138 ms 172.67.201.16
116 2026-08-19 18:44 639227618261696275
65 ms 104.21.74.91
115 2026-08-19 18:44 639227618261696275
65 ms 172.67.201.16
114 2026-08-19 18:27 639227608366233645
11 ms 172.67.201.16
113 2026-08-19 18:27 639227608366233645
11 ms 104.21.74.91
112 2026-08-19 18:10 639227598301787588
2038 ms 104.21.74.91
111 2026-08-19 18:10 639227598301787588
2038 ms 172.67.201.16
110 2026-08-19 17:17 639227566241010716
61 ms 172.67.201.16
109 2026-08-19 17:17 639227566241010716
61 ms 104.21.74.91
108 2026-08-19 17:00 639227556454538959
32 ms 172.67.201.16
107 2026-08-19 17:00 639227556454538959
32 ms 104.21.74.91
106 2026-08-19 16:44 639227546640305542
83 ms 104.21.74.91
105 2026-08-19 16:44 639227546640305542
83 ms 172.67.201.16
104 2026-08-19 16:28 639227536965466472
33 ms 104.21.74.91
103 2026-08-19 16:28 639227536965466472
33 ms 172.67.201.16
102 2026-08-19 16:12 639227527048658280
2030 ms 104.21.74.91
101 2026-08-19 16:12 639227527048658280
2030 ms 172.67.201.16
100 2026-08-19 15:55 639227517386634438
9 ms 104.21.74.91
99 2026-08-19 15:55 639227517386634438
9 ms 172.67.201.16
98 2026-08-19 15:39 639227507459551637
16 ms 104.21.74.91
97 2026-08-19 15:39 639227507459551637
16 ms 172.67.201.16
96 2026-08-19 15:22 639227497515595277
26 ms 104.21.74.91
95 2026-08-19 15:22 639227497515595277
26 ms 172.67.201.16
94 2026-08-19 15:05 639227487441798036
18 ms 172.67.201.16
93 2026-08-19 15:05 639227487441798036
18 ms 104.21.74.91
92 2026-08-19 14:49 639227477445551863
36 ms 104.21.74.91
91 2026-08-19 14:49 639227477445551863
36 ms 172.67.201.16
90 2026-08-19 14:32 639227467297067891
2123 ms 104.21.74.91
89 2026-08-19 14:32 639227467297067891
2123 ms 172.67.201.16
88 2026-08-19 14:15 639227457057795635
11 ms 172.67.201.16
87 2026-08-19 14:15 639227457057795635
11 ms 104.21.74.91
86 2026-08-19 13:22 639227425244777397
62 ms 172.67.201.16
85 2026-08-19 13:22 639227425244777397
62 ms 104.21.74.91
84 2026-08-19 13:05 639227415422116485
11 ms 104.21.74.91
83 2026-08-19 13:05 639227415422116485
11 ms 172.67.201.16
82 2026-08-19 12:49 639227405307256053
61 ms 172.67.201.16
81 2026-08-19 12:49 639227405307256053
61 ms 104.21.74.91
80 2026-08-19 12:32 639227395396602630
25 ms 172.67.201.16
79 2026-08-19 12:32 639227395396602630
25 ms 104.21.74.91
78 2026-08-19 12:16 639227385510363611
10 ms 104.21.74.91
77 2026-08-19 12:16 639227385510363611
10 ms 172.67.201.16
76 2026-08-19 11:59 639227375508324850
7 ms 172.67.201.16
75 2026-08-19 11:59 639227375508324850
7 ms 104.21.74.91
74 2026-08-19 11:42 639227365326611906
12 ms 172.67.201.16
73 2026-08-19 11:42 639227365326611906
12 ms 104.21.74.91
72 2026-08-19 11:25 639227355360014208
123 ms 172.67.201.16
71 2026-08-19 11:25 639227355360014208
123 ms 104.21.74.91
70 2026-08-19 11:08 639227345036782165
29 ms 104.21.74.91
69 2026-08-19 11:08 639227345036782165
29 ms 172.67.201.16
68 2026-08-19 10:51 639227334992964533
27 ms 172.67.201.16
67 2026-08-19 10:51 639227334992964533
27 ms 104.21.74.91
66 2026-08-19 10:35 639227324986605572
22 ms 104.21.74.91
65 2026-08-19 10:35 639227324986605572
22 ms 172.67.201.16
64 2026-08-19 10:18 639227314928414539
41 ms 104.21.74.91
63 2026-08-19 10:18 639227314928414539
41 ms 172.67.201.16
62 2026-08-19 09:25 639227283029182134
2049 ms 172.67.201.16
61 2026-08-19 09:25 639227283029182134
2049 ms 104.21.74.91
60 2026-08-19 09:09 639227273294779350
35 ms 172.67.201.16
59 2026-08-19 09:09 639227273294779350
35 ms 104.21.74.91
58 2026-08-19 08:52 639227263525231313
8 ms 172.67.201.16
57 2026-08-19 08:52 639227263525231313
8 ms 104.21.74.91
56 2026-08-19 08:36 639227253578313363
22 ms 104.21.74.91
55 2026-08-19 08:36 639227253578313363
22 ms 172.67.201.16
54 2026-08-19 08:19 639227243649973322
41 ms 104.21.74.91
53 2026-08-19 08:19 639227243649973322
41 ms 172.67.201.16
52 2026-08-19 08:02 639227233581059317
52 ms 104.21.74.91
51 2026-08-19 08:02 639227233581059317
52 ms 172.67.201.16
50 2026-08-19 07:46 639227223667352067
37 ms 172.67.201.16
49 2026-08-19 07:46 639227223667352067
37 ms 104.21.74.91
48 2026-08-19 07:29 639227213714837066
16 ms 104.21.74.91
47 2026-08-19 07:29 639227213714837066
16 ms 172.67.201.16
46 2026-08-19 07:13 639227203701208496
19 ms 104.21.74.91
45 2026-08-19 07:13 639227203701208496
19 ms 172.67.201.16
44 2026-08-19 06:56 639227193643202179
16 ms 104.21.74.91
43 2026-08-19 06:56 639227193643202179
16 ms 172.67.201.16
42 2026-08-19 06:39 639227183584431597
11 ms 172.67.201.16
41 2026-08-19 06:39 639227183584431597
11 ms 104.21.74.91
40 2026-08-19 06:22 639227173347403088
31 ms 172.67.201.16
39 2026-08-19 06:22 639227173347403088
31 ms 104.21.74.91
38 2026-08-19 05:29 639227141523007601
35 ms 172.67.201.16
37 2026-08-19 05:29 639227141523007601
35 ms 104.21.74.91
36 2026-08-19 05:13 639227131785931574
14 ms 104.21.74.91
35 2026-08-19 05:13 639227131785931574
14 ms 172.67.201.16
34 2026-08-19 04:57 639227122176475389
44 ms 104.21.74.91
33 2026-08-19 04:57 639227122176475389
44 ms 172.67.201.16
32 2026-08-19 04:41 639227112668934596
40 ms 104.21.74.91
31 2026-08-19 04:41 639227112668934596
40 ms 172.67.201.16
30 2026-08-19 04:24 639227102773292788
36 ms 172.67.201.16
29 2026-08-19 04:24 639227102773292788
36 ms 104.21.74.91
28 2026-08-19 04:08 639227093141136930
7 ms 172.67.201.16
27 2026-08-19 04:08 639227093141136930
7 ms 104.21.74.91
26 2026-08-19 03:52 639227083449420147
25 ms 104.21.74.91
25 2026-08-19 03:52 639227083449420147
25 ms 172.67.201.16
24 2026-08-19 03:36 639227073771748493
25 ms 104.21.74.91
23 2026-08-19 03:36 639227073771748493
25 ms 172.67.201.16
22 2026-08-19 03:20 639227063977347614
18 ms 172.67.201.16
21 2026-08-19 03:20 639227063977347614
18 ms 104.21.74.91
20 2026-08-19 03:04 639227054253519024
55 ms 172.67.201.16
19 2026-08-19 03:04 639227054253519024
55 ms 104.21.74.91
18 2026-08-19 02:47 639227044381963886
16 ms 104.21.74.91
17 2026-08-19 02:47 639227044381963886
16 ms 172.67.201.16
16 2026-08-19 02:30 639227034441085514
14 ms 172.67.201.16
15 2026-08-19 02:30 639227034441085514
14 ms 104.21.74.91
14 2026-08-19 01:38 639227003126489968
16 ms 104.21.74.91
13 2026-08-19 01:38 639227003126489968
16 ms 172.67.201.16
12 2026-08-19 01:22 639226993456311614
58 ms 104.21.74.91
11 2026-08-19 01:22 639226993456311614
58 ms 172.67.201.16
10 2026-08-19 01:06 639226983847312345
7 ms 172.67.201.16
9 2026-08-19 01:06 639226983847312345
7 ms 104.21.74.91
8 2026-08-19 00:50 639226974357874853
8 ms 172.67.201.16
7 2026-08-19 00:50 639226974357874853
8 ms 104.21.74.91
6 2026-08-19 00:34 639226964670484721
15 ms 172.67.201.16
5 2026-08-19 00:34 639226964670484721
15 ms 104.21.74.91
4 2026-08-19 00:18 639226954857899696
36 ms 172.67.201.16
3 2026-08-19 00:18 639226954857899696
36 ms 104.21.74.91
2 2026-08-19 00:02 639226945091603488
42 ms 104.21.74.91
1 2026-08-19 00:02 639226945091603488
42 ms 172.67.201.16