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 2026-08-22. For this date, NameServerHistory found 147 DNS check records, 146 successful responses, 1 failed responses, and 140 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

147

Historical checks stored for this nameserver on selected date

Average Latency

140 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-22 23:46

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

146

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 2026-08-22 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
147 2026-08-22 23:46 639230391807229016
7 ms 104.21.91.203
146 2026-08-22 23:46 639230391807229016
7 ms 172.67.179.86
145 2026-08-22 23:30 639230382051619327
8 ms 172.67.179.86
144 2026-08-22 23:30 639230382051619327
8 ms 104.21.91.203
143 2026-08-22 23:14 639230372323353529
7 ms 104.21.91.203
142 2026-08-22 23:14 639230372323353529
7 ms 172.67.179.86
141 2026-08-22 22:57 639230362586451064
8 ms 172.67.179.86
140 2026-08-22 22:57 639230362586451064
8 ms 104.21.91.203
139 2026-08-22 22:41 639230352793666303
8 ms 172.67.179.86
138 2026-08-22 22:41 639230352793666303
8 ms 104.21.91.203
137 2026-08-22 22:24 639230342775737758
12 ms 172.67.179.86
136 2026-08-22 22:24 639230342775737758
12 ms 104.21.91.203
135 2026-08-22 22:08 639230332639939561
7 ms 172.67.179.86
134 2026-08-22 22:08 639230332639939561
7 ms 104.21.91.203
133 2026-08-22 21:15 639230301014190104
25 ms 172.67.179.86
132 2026-08-22 21:15 639230301014190104
25 ms 104.21.91.203
131 2026-08-22 20:58 639230291048161498
9 ms 172.67.179.86
130 2026-08-22 20:58 639230291048161498
9 ms 104.21.91.203
129 2026-08-22 20:41 639230280894353664
37 ms 172.67.179.86
128 2026-08-22 20:41 639230280894353664
37 ms 104.21.91.203
127 2026-08-22 20:24 639230270699419073
5 ms 104.21.91.203
126 2026-08-22 20:24 639230270699419073
5 ms 172.67.179.86
125 2026-08-22 20:07 639230260248163050
42 ms 172.67.179.86
124 2026-08-22 20:07 639230260248163050
42 ms 104.21.91.203
123 2026-08-22 19:50 639230250122494282
14 ms 104.21.91.203
122 2026-08-22 19:50 639230250122494282
14 ms 172.67.179.86
121 2026-08-22 19:33 639230239972935046
43 ms 172.67.179.86
120 2026-08-22 19:33 639230239972935046
43 ms 104.21.91.203
119 2026-08-22 19:16 639230229963262464
21 ms 172.67.179.86
118 2026-08-22 19:16 639230229963262464
21 ms 104.21.91.203
117 2026-08-22 19:00 639230220033804658
9 ms 172.67.179.86
116 2026-08-22 19:00 639230220033804658
9 ms 104.21.91.203
115 2026-08-22 18:43 639230209891107289
22 ms 104.21.91.203
114 2026-08-22 18:43 639230209891107289
22 ms 172.67.179.86
113 2026-08-22 18:26 639230199630298717
14 ms 104.21.91.203
112 2026-08-22 18:26 639230199630298717
14 ms 172.67.179.86
111 2026-08-22 18:09 639230189301984150
16 ms 104.21.91.203
110 2026-08-22 18:09 639230189301984150
16 ms 172.67.179.86
109 2026-08-22 17:15 639230157138468804
47 ms 172.67.179.86
108 2026-08-22 17:15 639230157138468804
47 ms 104.21.91.203
107 2026-08-22 16:58 639230146987869495
15 ms 104.21.91.203
106 2026-08-22 16:58 639230146987869495
15 ms 172.67.179.86
105 2026-08-22 16:41 639230136768638516
16 ms 172.67.179.86
104 2026-08-22 16:41 639230136768638516
16 ms 104.21.91.203
103 2026-08-22 16:24 639230126735907877
19 ms 172.67.179.86
102 2026-08-22 16:24 639230126735907877
19 ms 104.21.91.203
101 2026-08-22 16:07 639230116551187768
50 ms 104.21.91.203
100 2026-08-22 16:07 639230116551187768
50 ms 172.67.179.86
99 2026-08-22 15:50 639230106335615913
52 ms 104.21.91.203
98 2026-08-22 15:50 639230106335615913
52 ms 172.67.179.86
97 2026-08-22 15:33 639230096177758176
14 ms 104.21.91.203
96 2026-08-22 15:33 639230096177758176
14 ms 172.67.179.86
95 2026-08-22 15:17 639230086185999993
7 ms 104.21.91.203
94 2026-08-22 15:17 639230086185999993
7 ms 172.67.179.86
93 2026-08-22 15:00 639230076247854903
38 ms 172.67.179.86
92 2026-08-22 15:00 639230076247854903
38 ms 104.21.91.203
91 2026-08-22 14:43 639230066076077530
10 ms 172.67.179.86
90 2026-08-22 14:43 639230066076077530
10 ms 104.21.91.203
89 2026-08-22 14:26 639230055738197328
33 ms 104.21.91.203
88 2026-08-22 14:26 639230055738197328
33 ms 172.67.179.86
87 2026-08-22 14:09 639230045411225521
42 ms 172.67.179.86
86 2026-08-22 14:09 639230045411225521
42 ms 104.21.91.203
85 2026-08-22 13:15 639230013046000470
34 ms 104.21.91.203
84 2026-08-22 13:15 639230013046000470
34 ms 172.67.179.86
83 2026-08-22 12:58 639230003090037878
87 ms 172.67.179.86
82 2026-08-22 12:58 639230003090037878
87 ms 104.21.91.203
81 2026-08-22 12:41 639229993008259475
50 ms 172.67.179.86
80 2026-08-22 12:41 639229993008259475
50 ms 104.21.91.203
79 2026-08-22 12:25 639229982909449470
56 ms 104.21.91.203
78 2026-08-22 12:25 639229982909449470
56 ms 172.67.179.86
77 2026-08-22 12:08 639229973035502212
9 ms 172.67.179.86
76 2026-08-22 12:08 639229973035502212
9 ms 104.21.91.203
75 2026-08-22 11:52 639229963064296145
42 ms 172.67.179.86
74 2026-08-22 11:52 639229963064296145
42 ms 104.21.91.203
73 2026-08-22 11:35 639229952996162143
57 ms 104.21.91.203
72 2026-08-22 11:35 639229952996162143
57 ms 172.67.179.86
71 2026-08-22 11:18 639229943051949195
30 ms 172.67.179.86
70 2026-08-22 11:18 639229943051949195
30 ms 104.21.91.203
69 2026-08-22 11:01 639229932919214934
79 ms 104.21.91.203
68 2026-08-22 11:01 639229932919214934
79 ms 172.67.179.86
67 2026-08-22 10:44 639229922745889838
35 ms 104.21.91.203
66 2026-08-22 10:44 639229922745889838
35 ms 172.67.179.86
65 2026-08-22 10:27 639229912587214796
16 ms 104.21.91.203
64 2026-08-22 10:27 639229912587214796
16 ms 172.67.179.86
63 2026-08-22 10:10 639229902240004454
38 ms 172.67.179.86
62 2026-08-22 10:10 639229902240004454
38 ms 104.21.91.203
61 2026-08-22 09:18 639229870800501662
23 ms 172.67.179.86
60 2026-08-22 09:18 639229870800501662
23 ms 104.21.91.203
59 2026-08-22 09:02 639229861058384956
18 ms 104.21.91.203
58 2026-08-22 09:02 639229861058384956
18 ms 172.67.179.86
57 2026-08-22 08:45 639229851158592604
59 ms 172.67.179.86
56 2026-08-22 08:45 639229851158592604
59 ms 104.21.91.203
55 2026-08-22 08:29 639229841475569629
25 ms 104.21.91.203
54 2026-08-22 08:29 639229841475569629
25 ms 172.67.179.86
53 2026-08-22 08:13 639229831887658471
26 ms 104.21.91.203
52 2026-08-22 08:13 639229831887658471
26 ms 172.67.179.86
51 2026-08-22 07:57 639229822043670346
27 ms 172.67.179.86
50 2026-08-22 07:57 639229822043670346
27 ms 104.21.91.203
49 2026-08-22 07:40 639229812327913936
16 ms 104.21.91.203
48 2026-08-22 07:40 639229812327913936
16 ms 172.67.179.86
47 2026-08-22 07:24 639229802629488686
26 ms 104.21.91.203
46 2026-08-22 07:24 639229802629488686
26 ms 172.67.179.86
45 2026-08-22 07:08 639229793051447309
42 ms 172.67.179.86
44 2026-08-22 07:08 639229793051447309
42 ms 104.21.91.203
43 2026-08-22 06:52 639229783303531961
2019 ms 172.67.179.86
42 2026-08-22 06:52 639229783303531961
2019 ms 104.21.91.203
41 2026-08-22 06:36 639229773458051942
37 ms 104.21.91.203
40 2026-08-22 06:36 639229773458051942
37 ms 172.67.179.86
39 2026-08-22 06:19 639229763373848056
38 ms 172.67.179.86
38 2026-08-22 06:19 639229763373848056
38 ms 104.21.91.203
37 2026-08-22 05:27 639229732140622809
5 ms 172.67.179.86
36 2026-08-22 05:27 639229732140622809
5 ms 104.21.91.203
35 2026-08-22 05:11 639229722699695967
48 ms 172.67.179.86
34 2026-08-22 05:11 639229722699695967
48 ms 104.21.91.203
33 2026-08-22 04:55 639229713097498075
33 ms 172.67.179.86
32 2026-08-22 04:55 639229713097498075
33 ms 104.21.91.203
31 2026-08-22 04:39 639229703543969637
50 ms 172.67.179.86
30 2026-08-22 04:39 639229703543969637
50 ms 104.21.91.203
29 2026-08-22 04:23 639229693970392873
2055 ms 104.21.91.203
28 2026-08-22 04:23 639229693970392873
2055 ms 172.67.179.86
27 2026-08-22 04:07 639229684277329469
25 ms 172.67.179.86
26 2026-08-22 04:07 639229684277329469
25 ms 104.21.91.203
25 2026-08-22 03:51 639229674501596661
2042 ms 172.67.179.86
24 2026-08-22 03:51 639229674501596661
2042 ms 104.21.91.203
23 2026-08-22 03:35 639229665064441147
42 ms 104.21.91.203
22 2026-08-22 03:35 639229665064441147
42 ms 172.67.179.86
21 2026-08-22 03:19 639229655507536872
38 ms 104.21.91.203
20 2026-08-22 03:19 639229655507536872
38 ms 172.67.179.86
19 2026-08-22 03:03 639229645849603111
10 ms 104.21.91.203
18 2026-08-22 03:03 639229645849603111
10 ms 172.67.179.86
17 2026-08-22 02:47 639229636090497453
38 ms 104.21.91.203
16 2026-08-22 02:47 639229636090497453
38 ms 172.67.179.86
15 2026-08-22 02:30 639229625978544281
6 ms 172.67.179.86
14 2026-08-22 02:30 639229625978544281
6 ms 104.21.91.203
13 2026-08-22 01:38 639229594644662176
38 ms 172.67.179.86
12 2026-08-22 01:38 639229594644662176
38 ms 104.21.91.203
11 2026-08-22 01:22 639229585214633065
2106 ms 104.21.91.203
10 2026-08-22 01:22 639229585214633065
2106 ms 172.67.179.86
9 2026-08-22 01:06 639229575581042175
28 ms 172.67.179.86
8 2026-08-22 01:06 639229575581042175
28 ms 104.21.91.203
7 2026-08-22 00:50 639229565912268962
26 ms 104.21.91.203
6 2026-08-22 00:50 639229565912268962
26 ms 172.67.179.86
5 2026-08-22 00:34 639229556237813203
40 ms 104.21.91.203
4 2026-08-22 00:34 639229556237813203
40 ms 172.67.179.86
3 2026-08-22 00:18 639229546625802518
27 ms 104.21.91.203
2 2026-08-22 00:18 639229546625802518
27 ms 172.67.179.86
1 2026-08-22 00:02 639229537172016621
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