DNS response history for ns2.ostraining.com

ns2.ostraining.com 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 2026-08-09. For this date, NameServerHistory found 153 DNS check records, 152 successful responses, 1 failed responses, and 319 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 ns2.ostraining.com.
Records on Selected Date

153

Historical checks stored for this nameserver on selected date

Average Latency

319 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-09 23:16

All timestamps shown in UTC

Latest Resolved IP on Selected Date

104.21.91.203

Most recently resolved hosting IP on selected date

Successful Responses

152

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 ns2.ostraining.com

Showing DNS history for 2026-08-09 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
153 2026-08-09 23:16 639219137912168440
41 ms 104.21.91.203
152 2026-08-09 23:16 639219137912168440
41 ms 172.67.179.86
151 2026-08-09 23:02 639219129014206359
11 ms 172.67.179.86
150 2026-08-09 23:02 639219129014206359
11 ms 104.21.91.203
149 2026-08-09 22:47 639219120129816185
18 ms 172.67.179.86
148 2026-08-09 22:47 639219120129816185
18 ms 104.21.91.203
147 2026-08-09 22:32 639219111180200055
109 ms 104.21.91.203
146 2026-08-09 22:32 639219111180200055
109 ms 172.67.179.86
145 2026-08-09 22:17 639219102397272208
13 ms 172.67.179.86
144 2026-08-09 22:17 639219102397272208
13 ms 104.21.91.203
143 2026-08-09 22:02 639219093318422880
5 ms 172.67.179.86
142 2026-08-09 22:02 639219093318422880
5 ms 104.21.91.203
141 2026-08-09 21:47 639219084400315753
16 ms 104.21.91.203
140 2026-08-09 21:47 639219084400315753
16 ms 172.67.179.86
139 2026-08-09 21:32 639219075254551587
32 ms 104.21.91.203
138 2026-08-09 21:32 639219075254551587
32 ms 172.67.179.86
137 2026-08-09 21:16 639219065729192158
23 ms 104.21.91.203
136 2026-08-09 21:16 639219065729192158
23 ms 172.67.179.86
135 2026-08-09 21:01 639219056747802098
11 ms 104.21.91.203
134 2026-08-09 21:01 639219056747802098
11 ms 172.67.179.86
133 2026-08-09 20:46 639219047713450952
22 ms 172.67.179.86
132 2026-08-09 20:46 639219047713450952
22 ms 104.21.91.203
131 2026-08-09 20:31 639219038561445315
13 ms 172.67.179.86
130 2026-08-09 20:31 639219038561445315
13 ms 104.21.91.203
129 2026-08-09 19:39 639219007390383771
16 ms 172.67.179.86
128 2026-08-09 19:39 639219007390383771
16 ms 104.21.91.203
127 2026-08-09 19:25 639218998523265596
11 ms 172.67.179.86
126 2026-08-09 19:25 639218998523265596
11 ms 104.21.91.203
125 2026-08-09 19:10 639218989631630804
2019 ms 172.67.179.86
124 2026-08-09 19:10 639218989631630804
2019 ms 104.21.91.203
123 2026-08-09 18:55 639218980808450892
25 ms 104.21.91.203
122 2026-08-09 18:55 639218980808450892
25 ms 172.67.179.86
121 2026-08-09 18:40 639218971852160604
68 ms 104.21.91.203
120 2026-08-09 18:40 639218971852160604
68 ms 172.67.179.86
119 2026-08-09 18:25 639218962783650906
19 ms 172.67.179.86
118 2026-08-09 18:25 639218962783650906
19 ms 104.21.91.203
117 2026-08-09 18:10 639218953792820819
7 ms 172.67.179.86
116 2026-08-09 18:10 639218953792820819
7 ms 104.21.91.203
115 2026-08-09 17:55 639218944959692876
30 ms 172.67.179.86
114 2026-08-09 17:55 639218944959692876
30 ms 104.21.91.203
113 2026-08-09 17:40 639218936169104506
10 ms 172.67.179.86
112 2026-08-09 17:40 639218936169104506
10 ms 104.21.91.203
111 2026-08-09 17:26 639218927166062556
42 ms 104.21.91.203
110 2026-08-09 17:26 639218927166062556
42 ms 172.67.179.86
109 2026-08-09 17:11 639218918015715420
16 ms 104.21.91.203
108 2026-08-09 17:11 639218918015715420
16 ms 172.67.179.86
107 2026-08-09 16:55 639218908881852638
25 ms 172.67.179.86
106 2026-08-09 16:55 639218908881852638
25 ms 104.21.91.203
105 2026-08-09 16:02 639218877956262035
7 ms 104.21.91.203
104 2026-08-09 16:02 639218877956262035
7 ms 172.67.179.86
103 2026-08-09 15:47 639218869143729797
9 ms 172.67.179.86
102 2026-08-09 15:47 639218869143729797
9 ms 104.21.91.203
101 2026-08-09 15:33 639218860485298832
2016 ms 104.21.91.203
100 2026-08-09 15:33 639218860485298832
2016 ms 172.67.179.86
99 2026-08-09 15:18 639218851607906747
7 ms 104.21.91.203
98 2026-08-09 15:18 639218851607906747
7 ms 172.67.179.86
97 2026-08-09 15:03 639218842720839568
15 ms 104.21.91.203
96 2026-08-09 15:03 639218842720839568
15 ms 172.67.179.86
95 2026-08-09 14:48 639218833878788864
11 ms 104.21.91.203
94 2026-08-09 14:48 639218833878788864
11 ms 172.67.179.86
93 2026-08-09 14:34 639218825180862573
27 ms 172.67.179.86
92 2026-08-09 14:34 639218825180862573
27 ms 104.21.91.203
91 2026-08-09 14:19 639218816469621951
32 ms 172.67.179.86
90 2026-08-09 14:19 639218816469621951
32 ms 104.21.91.203
89 2026-08-09 14:05 639218807685036212
-
88 2026-08-09 13:50 639218798978271509
2050 ms 104.21.91.203
87 2026-08-09 13:50 639218798978271509
2050 ms 172.67.179.86
86 2026-08-09 13:35 639218790065423597
55 ms 172.67.179.86
85 2026-08-09 13:35 639218790065423597
55 ms 104.21.91.203
84 2026-08-09 13:21 639218781304584862
13 ms 104.21.91.203
83 2026-08-09 13:21 639218781304584862
13 ms 172.67.179.86
82 2026-08-09 12:29 639218750311179000
20 ms 104.21.91.203
81 2026-08-09 12:29 639218750311179000
20 ms 172.67.179.86
80 2026-08-09 12:15 639218741750420268
41 ms 172.67.179.86
79 2026-08-09 12:15 639218741750420268
41 ms 104.21.91.203
78 2026-08-09 12:00 639218733057535576
9 ms 104.21.91.203
77 2026-08-09 12:00 639218733057535576
9 ms 172.67.179.86
76 2026-08-09 11:46 639218724471329044
12 ms 104.21.91.203
75 2026-08-09 11:46 639218724471329044
12 ms 172.67.179.86
74 2026-08-09 11:31 639218715911974203
2344 ms 104.21.91.203
73 2026-08-09 11:31 639218715911974203
2344 ms 172.67.179.86
72 2026-08-09 11:17 639218707310812834
46 ms 104.21.91.203
71 2026-08-09 11:17 639218707310812834
46 ms 172.67.179.86
70 2026-08-09 11:03 639218698790485612
15 ms 172.67.179.86
69 2026-08-09 11:03 639218698790485612
15 ms 104.21.91.203
68 2026-08-09 10:49 639218690367692706
16 ms 104.21.91.203
67 2026-08-09 10:49 639218690367692706
16 ms 172.67.179.86
66 2026-08-09 10:35 639218681923173883
28 ms 104.21.91.203
65 2026-08-09 10:35 639218681923173883
28 ms 172.67.179.86
64 2026-08-09 10:21 639218673547179738
34 ms 172.67.179.86
63 2026-08-09 10:21 639218673547179738
34 ms 104.21.91.203
62 2026-08-09 10:06 639218664890274867
12 ms 172.67.179.86
61 2026-08-09 10:06 639218664890274867
12 ms 104.21.91.203
60 2026-08-09 09:52 639218656036928157
2103 ms 104.21.91.203
59 2026-08-09 09:52 639218656036928157
2103 ms 172.67.179.86
58 2026-08-09 08:58 639218624808018222
8 ms 104.21.91.203
57 2026-08-09 08:58 639218624808018222
8 ms 172.67.179.86
56 2026-08-09 08:44 639218616243340806
32 ms 172.67.179.86
55 2026-08-09 08:44 639218616243340806
32 ms 104.21.91.203
54 2026-08-09 08:29 639218607397811973
22 ms 172.67.179.86
53 2026-08-09 08:29 639218607397811973
22 ms 104.21.91.203
52 2026-08-09 08:15 639218598812444454
28 ms 172.67.179.86
51 2026-08-09 08:15 639218598812444454
28 ms 104.21.91.203
50 2026-08-09 08:01 639218590219570048
23 ms 172.67.179.86
49 2026-08-09 08:01 639218590219570048
23 ms 104.21.91.203
48 2026-08-09 07:47 639218581690210758
4037 ms 104.21.91.203
47 2026-08-09 07:47 639218581690210758
4037 ms 172.67.179.86
46 2026-08-09 07:32 639218573057388822
2045 ms 104.21.91.203
45 2026-08-09 07:32 639218573057388822
2045 ms 172.67.179.86
44 2026-08-09 07:18 639218564408781785
44 ms 104.21.91.203
43 2026-08-09 07:18 639218564408781785
44 ms 172.67.179.86
42 2026-08-09 07:03 639218555767188482
46 ms 104.21.91.203
41 2026-08-09 07:03 639218555767188482
46 ms 172.67.179.86
40 2026-08-09 06:49 639218547142705295
18 ms 172.67.179.86
39 2026-08-09 06:49 639218547142705295
18 ms 104.21.91.203
38 2026-08-09 06:34 639218538090114532
5 ms 104.21.91.203
37 2026-08-09 06:34 639218538090114532
5 ms 172.67.179.86
36 2026-08-09 06:19 639218529257910584
23 ms 104.21.91.203
35 2026-08-09 06:19 639218529257910584
23 ms 172.67.179.86
34 2026-08-09 05:28 639218498473231858
29 ms 104.21.91.203
33 2026-08-09 05:28 639218498473231858
29 ms 172.67.179.86
32 2026-08-09 05:14 639218489802113995
30 ms 104.21.91.203
31 2026-08-09 05:14 639218489802113995
30 ms 172.67.179.86
30 2026-08-09 04:59 639218481006804516
12 ms 104.21.91.203
29 2026-08-09 04:59 639218481006804516
12 ms 172.67.179.86
28 2026-08-09 04:44 639218472048712427
15 ms 104.21.91.203
27 2026-08-09 04:44 639218472048712427
15 ms 172.67.179.86
26 2026-08-09 04:30 639218463224432974
27 ms 104.21.91.203
25 2026-08-09 04:30 639218463224432974
27 ms 172.67.179.86
24 2026-08-09 04:15 639218454384107526
18 ms 104.21.91.203
23 2026-08-09 04:15 639218454384107526
18 ms 172.67.179.86
22 2026-08-09 04:00 639218445331231791
52 ms 172.67.179.86
21 2026-08-09 04:00 639218445331231791
52 ms 104.21.91.203
20 2026-08-09 03:45 639218436285215733
2035 ms 104.21.91.203
19 2026-08-09 03:45 639218436285215733
2035 ms 172.67.179.86
18 2026-08-09 03:30 639218427289555123
14 ms 172.67.179.86
17 2026-08-09 03:30 639218427289555123
14 ms 104.21.91.203
16 2026-08-09 03:15 639218418227819981
8 ms 172.67.179.86
15 2026-08-09 03:15 639218418227819981
8 ms 104.21.91.203
14 2026-08-09 03:00 639218409119503123
14 ms 172.67.179.86
13 2026-08-09 03:00 639218409119503123
14 ms 104.21.91.203
12 2026-08-09 02:44 639218399771712154
19 ms 172.67.179.86
11 2026-08-09 02:44 639218399771712154
19 ms 104.21.91.203
10 2026-08-09 01:52 639218368648652303
2015 ms 104.21.91.203
9 2026-08-09 01:52 639218368648652303
2015 ms 172.67.179.86
8 2026-08-09 01:37 639218359569598460
2030 ms 104.21.91.203
7 2026-08-09 01:37 639218359569598460
2030 ms 172.67.179.86
6 2026-08-09 01:22 639218350555429902
42 ms 104.21.91.203
5 2026-08-09 01:22 639218350555429902
42 ms 172.67.179.86
4 2026-08-09 01:06 639218341311543299
13 ms 104.21.91.203
3 2026-08-09 01:06 639218341311543299
13 ms 172.67.179.86
2 2026-08-09 00:14 639218309981981465
36 ms 172.67.179.86
1 2026-08-09 00:14 639218309981981465
36 ms 104.21.91.203