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 2026-08-21. For this date, NameServerHistory found 143 DNS check records, 142 successful responses, 1 failed responses, and 281 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

143

Historical checks stored for this nameserver on selected date

Average Latency

281 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-21 23:46

All timestamps shown in UTC

Latest Resolved IP on Selected Date

172.67.179.86

Most recently resolved hosting IP on selected date

Successful Responses

142

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 2026-08-21 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
143 2026-08-21 23:46 639229527598660841
9 ms 172.67.179.86
142 2026-08-21 23:46 639229527598660841
9 ms 104.21.91.203
141 2026-08-21 23:30 639229517954323214
2029 ms 104.21.91.203
140 2026-08-21 23:30 639229517954323214
2029 ms 172.67.179.86
139 2026-08-21 23:14 639229508269999021
38 ms 172.67.179.86
138 2026-08-21 23:14 639229508269999021
38 ms 104.21.91.203
137 2026-08-21 22:57 639229498559060171
7 ms 104.21.91.203
136 2026-08-21 22:57 639229498559060171
7 ms 172.67.179.86
135 2026-08-21 22:41 639229488519347586
23 ms 104.21.91.203
134 2026-08-21 22:41 639229488519347586
23 ms 172.67.179.86
133 2026-08-21 21:47 639229456606578934
18 ms 172.67.179.86
132 2026-08-21 21:47 639229456606578934
18 ms 104.21.91.203
131 2026-08-21 21:31 639229446985772499
2050 ms 104.21.91.203
130 2026-08-21 21:31 639229446985772499
2050 ms 172.67.179.86
129 2026-08-21 21:15 639229437367313098
12 ms 172.67.179.86
128 2026-08-21 21:15 639229437367313098
12 ms 104.21.91.203
127 2026-08-21 21:00 639229427923950391
40 ms 172.67.179.86
126 2026-08-21 21:00 639229427923950391
40 ms 104.21.91.203
125 2026-08-21 20:43 639229418168588854
2036 ms 104.21.91.203
124 2026-08-21 20:43 639229418168588854
2036 ms 172.67.179.86
123 2026-08-21 20:27 639229408345678334
8 ms 172.67.179.86
122 2026-08-21 20:27 639229408345678334
8 ms 104.21.91.203
121 2026-08-21 20:11 639229398616354648
35 ms 104.21.91.203
120 2026-08-21 20:11 639229398616354648
35 ms 172.67.179.86
119 2026-08-21 19:54 639229388634592323
30 ms 104.21.91.203
118 2026-08-21 19:54 639229388634592323
30 ms 172.67.179.86
117 2026-08-21 19:38 639229378792837692
15 ms 104.21.91.203
116 2026-08-21 19:38 639229378792837692
15 ms 172.67.179.86
115 2026-08-21 19:22 639229369154682311
35 ms 104.21.91.203
114 2026-08-21 19:22 639229369154682311
35 ms 172.67.179.86
113 2026-08-21 19:05 639229359248017926
42 ms 172.67.179.86
112 2026-08-21 19:05 639229359248017926
42 ms 104.21.91.203
111 2026-08-21 18:48 639229349124294642
11 ms 104.21.91.203
110 2026-08-21 18:48 639229349124294642
11 ms 172.67.179.86
109 2026-08-21 17:56 639229317791715692
2044 ms 104.21.91.203
108 2026-08-21 17:56 639229317791715692
2044 ms 172.67.179.86
107 2026-08-21 17:40 639229308115194575
16 ms 104.21.91.203
106 2026-08-21 17:40 639229308115194575
16 ms 172.67.179.86
105 2026-08-21 17:24 639229298320320558
46 ms 172.67.179.86
104 2026-08-21 17:24 639229298320320558
46 ms 104.21.91.203
103 2026-08-21 17:08 639229288674863221
9 ms 172.67.179.86
102 2026-08-21 17:08 639229288674863221
9 ms 104.21.91.203
101 2026-08-21 16:51 639229278983677079
11 ms 104.21.91.203
100 2026-08-21 16:51 639229278983677079
11 ms 172.67.179.86
99 2026-08-21 16:35 639229269405517175
31 ms 172.67.179.86
98 2026-08-21 16:35 639229269405517175
31 ms 104.21.91.203
97 2026-08-21 16:19 639229259594798244
2017 ms 172.67.179.86
96 2026-08-21 16:19 639229259594798244
2017 ms 104.21.91.203
95 2026-08-21 16:03 639229249736681188
7 ms 104.21.91.203
94 2026-08-21 16:03 639229249736681188
7 ms 172.67.179.86
93 2026-08-21 15:46 639229239699417787
33 ms 104.21.91.203
92 2026-08-21 15:46 639229239699417787
33 ms 172.67.179.86
91 2026-08-21 15:29 639229229621964033
121 ms 172.67.179.86
90 2026-08-21 15:29 639229229621964033
121 ms 104.21.91.203
89 2026-08-21 15:13 639229219567270965
-
88 2026-08-21 14:56 639229209406666856
41 ms 172.67.179.86
87 2026-08-21 14:56 639229209406666856
41 ms 104.21.91.203
86 2026-08-21 14:03 639229177815876178
17 ms 172.67.179.86
85 2026-08-21 14:03 639229177815876178
17 ms 104.21.91.203
84 2026-08-21 13:47 639229168243572685
33 ms 104.21.91.203
83 2026-08-21 13:47 639229168243572685
33 ms 172.67.179.86
82 2026-08-21 13:31 639229158599856475
16 ms 104.21.91.203
81 2026-08-21 13:31 639229158599856475
16 ms 172.67.179.86
80 2026-08-21 13:15 639229148998940902
30 ms 172.67.179.86
79 2026-08-21 13:15 639229148998940902
30 ms 104.21.91.203
78 2026-08-21 12:59 639229139276923594
51 ms 104.21.91.203
77 2026-08-21 12:59 639229139276923594
51 ms 172.67.179.86
76 2026-08-21 12:43 639229129709912394
27 ms 172.67.179.86
75 2026-08-21 12:43 639229129709912394
27 ms 104.21.91.203
74 2026-08-21 12:26 639229119801488500
7 ms 104.21.91.203
73 2026-08-21 12:26 639229119801488500
7 ms 172.67.179.86
72 2026-08-21 12:10 639229110135262458
8 ms 172.67.179.86
71 2026-08-21 12:10 639229110135262458
8 ms 104.21.91.203
70 2026-08-21 11:54 639229100336051392
11 ms 104.21.91.203
69 2026-08-21 11:54 639229100336051392
11 ms 172.67.179.86
68 2026-08-21 11:38 639229090641415626
8 ms 172.67.179.86
67 2026-08-21 11:38 639229090641415626
8 ms 104.21.91.203
66 2026-08-21 11:21 639229080702683947
10 ms 104.21.91.203
65 2026-08-21 11:21 639229080702683947
10 ms 172.67.179.86
64 2026-08-21 11:04 639229070601456699
7 ms 172.67.179.86
63 2026-08-21 11:04 639229070601456699
7 ms 104.21.91.203
62 2026-08-21 10:11 639229038947447232
9 ms 104.21.91.203
61 2026-08-21 10:11 639229038947447232
9 ms 172.67.179.86
60 2026-08-21 09:55 639229029268708773
17 ms 104.21.91.203
59 2026-08-21 09:55 639229029268708773
17 ms 172.67.179.86
58 2026-08-21 09:39 639229019647910603
69 ms 104.21.91.203
57 2026-08-21 09:39 639229019647910603
69 ms 172.67.179.86
56 2026-08-21 09:23 639229009983843738
16 ms 104.21.91.203
55 2026-08-21 09:23 639229009983843738
16 ms 172.67.179.86
54 2026-08-21 09:07 639229000203331882
16 ms 172.67.179.86
53 2026-08-21 09:07 639229000203331882
16 ms 104.21.91.203
52 2026-08-21 08:50 639228990302335999
11 ms 104.21.91.203
51 2026-08-21 08:50 639228990302335999
11 ms 172.67.179.86
50 2026-08-21 08:34 639228980567740722
32 ms 172.67.179.86
49 2026-08-21 08:34 639228980567740722
32 ms 104.21.91.203
48 2026-08-21 08:18 639228970762445174
32 ms 172.67.179.86
47 2026-08-21 08:18 639228970762445174
32 ms 104.21.91.203
46 2026-08-21 08:02 639228961065054445
4019 ms 172.67.179.86
45 2026-08-21 08:02 639228961065054445
4019 ms 104.21.91.203
44 2026-08-21 07:45 639228951224649885
11 ms 172.67.179.86
43 2026-08-21 07:45 639228951224649885
11 ms 104.21.91.203
42 2026-08-21 07:29 639228941303864592
57 ms 172.67.179.86
41 2026-08-21 07:29 639228941303864592
57 ms 104.21.91.203
40 2026-08-21 07:12 639228931191328583
14 ms 172.67.179.86
39 2026-08-21 07:12 639228931191328583
14 ms 104.21.91.203
38 2026-08-21 06:19 639228899518173317
51 ms 104.21.91.203
37 2026-08-21 06:19 639228899518173317
51 ms 172.67.179.86
36 2026-08-21 06:03 639228889785027669
22 ms 104.21.91.203
35 2026-08-21 06:03 639228889785027669
22 ms 172.67.179.86
34 2026-08-21 05:47 639228880106330161
45 ms 172.67.179.86
33 2026-08-21 05:47 639228880106330161
45 ms 104.21.91.203
32 2026-08-21 05:30 639228870316184091
97 ms 104.21.91.203
31 2026-08-21 05:30 639228870316184091
97 ms 172.67.179.86
30 2026-08-21 05:14 639228860695366512
2049 ms 172.67.179.86
29 2026-08-21 05:14 639228860695366512
2049 ms 104.21.91.203
28 2026-08-21 04:58 639228851027209500
40 ms 104.21.91.203
27 2026-08-21 04:58 639228851027209500
40 ms 172.67.179.86
26 2026-08-21 04:42 639228841479265462
8 ms 104.21.91.203
25 2026-08-21 04:42 639228841479265462
8 ms 172.67.179.86
24 2026-08-21 04:26 639228831752962260
2017 ms 104.21.91.203
23 2026-08-21 04:26 639228831752962260
2017 ms 172.67.179.86
22 2026-08-21 04:10 639228821953295483
28 ms 104.21.91.203
21 2026-08-21 04:10 639228821953295483
28 ms 172.67.179.86
20 2026-08-21 03:54 639228812227429953
7 ms 104.21.91.203
19 2026-08-21 03:54 639228812227429953
7 ms 172.67.179.86
18 2026-08-21 03:37 639228802476107538
9 ms 104.21.91.203
17 2026-08-21 03:37 639228802476107538
9 ms 172.67.179.86
16 2026-08-21 03:21 639228792525492032
8 ms 172.67.179.86
15 2026-08-21 03:21 639228792525492032
8 ms 104.21.91.203
14 2026-08-21 02:28 639228761131421385
133 ms 172.67.179.86
13 2026-08-21 02:28 639228761131421385
133 ms 104.21.91.203
12 2026-08-21 02:12 639228751571206692
13 ms 104.21.91.203
11 2026-08-21 02:12 639228751571206692
13 ms 172.67.179.86
10 2026-08-21 01:56 639228741705571019
9 ms 104.21.91.203
9 2026-08-21 01:56 639228741705571019
9 ms 172.67.179.86
8 2026-08-21 01:39 639228731642208228
7 ms 104.21.91.203
7 2026-08-21 01:39 639228731642208228
7 ms 172.67.179.86
6 2026-08-21 00:47 639228700387002072
60 ms 104.21.91.203
5 2026-08-21 00:47 639228700387002072
60 ms 172.67.179.86
4 2026-08-21 00:31 639228690742014433
6 ms 104.21.91.203
3 2026-08-21 00:31 639228690742014433
6 ms 172.67.179.86
2 2026-08-21 00:15 639228680877937122
28 ms 104.21.91.203
1 2026-08-21 00:15 639228680877937122
28 ms 172.67.179.86