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 2026-08-17. For this date, NameServerHistory found 144 DNS check records, 144 successful responses, 0 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 ns2.ostraining.com.
Records on Selected Date

144

Historical checks stored for this nameserver on selected date

Average Latency

198 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-17 23:47

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

144

Checks that returned a measurable response

Failed Responses

0

Checks with no response or no returned latency

Failure Rate

0%

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 2026-08-17 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
144 2026-08-17 23:47 639226072268080268
49 ms 104.21.91.203
143 2026-08-17 23:47 639226072268080268
49 ms 172.67.179.86
142 2026-08-17 23:31 639226062577647657
10 ms 104.21.91.203
141 2026-08-17 23:31 639226062577647657
10 ms 172.67.179.86
140 2026-08-17 22:38 639226031060857136
11 ms 104.21.91.203
139 2026-08-17 22:38 639226031060857136
11 ms 172.67.179.86
138 2026-08-17 22:22 639226021535117364
6 ms 104.21.91.203
137 2026-08-17 22:22 639226021535117364
6 ms 172.67.179.86
136 2026-08-17 22:06 639226011884237078
49 ms 172.67.179.86
135 2026-08-17 22:06 639226011884237078
49 ms 104.21.91.203
134 2026-08-17 21:50 639226002309299142
27 ms 172.67.179.86
133 2026-08-17 21:50 639226002309299142
27 ms 104.21.91.203
132 2026-08-17 21:34 639225992791784448
55 ms 172.67.179.86
131 2026-08-17 21:34 639225992791784448
55 ms 104.21.91.203
130 2026-08-17 21:18 639225983045271390
7 ms 104.21.91.203
129 2026-08-17 21:18 639225983045271390
7 ms 172.67.179.86
128 2026-08-17 21:02 639225973246293513
22 ms 104.21.91.203
127 2026-08-17 21:02 639225973246293513
22 ms 172.67.179.86
126 2026-08-17 20:46 639225963620186236
2028 ms 172.67.179.86
125 2026-08-17 20:46 639225963620186236
2028 ms 104.21.91.203
124 2026-08-17 20:30 639225953899183916
10 ms 172.67.179.86
123 2026-08-17 20:30 639225953899183916
10 ms 104.21.91.203
122 2026-08-17 20:14 639225944391528206
9 ms 104.21.91.203
121 2026-08-17 20:14 639225944391528206
9 ms 172.67.179.86
120 2026-08-17 19:57 639225934593254169
44 ms 104.21.91.203
119 2026-08-17 19:57 639225934593254169
44 ms 172.67.179.86
118 2026-08-17 19:41 639225924669984512
11 ms 104.21.91.203
117 2026-08-17 19:41 639225924669984512
11 ms 172.67.179.86
116 2026-08-17 18:48 639225893048561320
2023 ms 104.21.91.203
115 2026-08-17 18:48 639225893048561320
2023 ms 172.67.179.86
114 2026-08-17 18:32 639225883481298424
16 ms 172.67.179.86
113 2026-08-17 18:32 639225883481298424
16 ms 104.21.91.203
112 2026-08-17 18:16 639225873845394034
36 ms 104.21.91.203
111 2026-08-17 18:16 639225873845394034
36 ms 172.67.179.86
110 2026-08-17 18:00 639225864216078662
25 ms 104.21.91.203
109 2026-08-17 18:00 639225864216078662
25 ms 172.67.179.86
108 2026-08-17 17:44 639225854541857773
12 ms 172.67.179.86
107 2026-08-17 17:44 639225854541857773
12 ms 104.21.91.203
106 2026-08-17 17:28 639225844733604072
20 ms 104.21.91.203
105 2026-08-17 17:28 639225844733604072
20 ms 172.67.179.86
104 2026-08-17 17:12 639225835085229232
46 ms 172.67.179.86
103 2026-08-17 17:12 639225835085229232
46 ms 104.21.91.203
102 2026-08-17 16:55 639225825349373981
16 ms 172.67.179.86
101 2026-08-17 16:55 639225825349373981
16 ms 104.21.91.203
100 2026-08-17 16:39 639225815690604161
12 ms 172.67.179.86
99 2026-08-17 16:39 639225815690604161
12 ms 104.21.91.203
98 2026-08-17 16:23 639225805952472306
44 ms 172.67.179.86
97 2026-08-17 16:23 639225805952472306
44 ms 104.21.91.203
96 2026-08-17 16:07 639225796264729638
36 ms 172.67.179.86
95 2026-08-17 16:07 639225796264729638
36 ms 104.21.91.203
94 2026-08-17 15:50 639225786326499329
23 ms 172.67.179.86
93 2026-08-17 15:50 639225786326499329
23 ms 104.21.91.203
92 2026-08-17 14:58 639225754798130711
112 ms 172.67.179.86
91 2026-08-17 14:58 639225754798130711
112 ms 104.21.91.203
90 2026-08-17 14:42 639225745123193922
81 ms 172.67.179.86
89 2026-08-17 14:42 639225745123193922
81 ms 104.21.91.203
88 2026-08-17 14:26 639225735540597271
41 ms 104.21.91.203
87 2026-08-17 14:26 639225735540597271
41 ms 172.67.179.86
86 2026-08-17 14:10 639225725894857396
39 ms 104.21.91.203
85 2026-08-17 14:10 639225725894857396
39 ms 172.67.179.86
84 2026-08-17 13:54 639225716249606913
54 ms 172.67.179.86
83 2026-08-17 13:54 639225716249606913
54 ms 104.21.91.203
82 2026-08-17 13:38 639225706638238179
25 ms 104.21.91.203
81 2026-08-17 13:38 639225706638238179
25 ms 172.67.179.86
80 2026-08-17 13:21 639225696949691423
12 ms 172.67.179.86
79 2026-08-17 13:21 639225696949691423
12 ms 104.21.91.203
78 2026-08-17 13:05 639225687286186336
15 ms 104.21.91.203
77 2026-08-17 13:05 639225687286186336
15 ms 172.67.179.86
76 2026-08-17 12:49 639225677679573133
18 ms 172.67.179.86
75 2026-08-17 12:49 639225677679573133
18 ms 104.21.91.203
74 2026-08-17 12:33 639225667957861024
44 ms 104.21.91.203
73 2026-08-17 12:33 639225667957861024
44 ms 172.67.179.86
72 2026-08-17 12:17 639225658298791618
22 ms 172.67.179.86
71 2026-08-17 12:17 639225658298791618
22 ms 104.21.91.203
70 2026-08-17 12:01 639225648583652785
52 ms 172.67.179.86
69 2026-08-17 12:01 639225648583652785
52 ms 104.21.91.203
68 2026-08-17 11:08 639225617000524308
47 ms 104.21.91.203
67 2026-08-17 11:08 639225617000524308
47 ms 172.67.179.86
66 2026-08-17 10:53 639225607668541600
2062 ms 172.67.179.86
65 2026-08-17 10:53 639225607668541600
2062 ms 104.21.91.203
64 2026-08-17 10:37 639225598117279238
47 ms 104.21.91.203
63 2026-08-17 10:37 639225598117279238
47 ms 172.67.179.86
62 2026-08-17 10:21 639225588751002710
5 ms 172.67.179.86
61 2026-08-17 10:21 639225588751002710
5 ms 104.21.91.203
60 2026-08-17 10:05 639225579295831051
15 ms 172.67.179.86
59 2026-08-17 10:05 639225579295831051
15 ms 104.21.91.203
58 2026-08-17 09:49 639225569761469940
34 ms 104.21.91.203
57 2026-08-17 09:49 639225569761469940
34 ms 172.67.179.86
56 2026-08-17 09:33 639225560161422333
15 ms 104.21.91.203
55 2026-08-17 09:33 639225560161422333
15 ms 172.67.179.86
54 2026-08-17 09:18 639225550739955565
33 ms 104.21.91.203
53 2026-08-17 09:18 639225550739955565
33 ms 172.67.179.86
52 2026-08-17 09:02 639225541125222426
28 ms 104.21.91.203
51 2026-08-17 09:02 639225541125222426
28 ms 172.67.179.86
50 2026-08-17 08:46 639225531526675983
32 ms 172.67.179.86
49 2026-08-17 08:46 639225531526675983
32 ms 104.21.91.203
48 2026-08-17 08:30 639225521915528222
2041 ms 172.67.179.86
47 2026-08-17 08:30 639225521915528222
2041 ms 104.21.91.203
46 2026-08-17 08:13 639225512148151789
39 ms 104.21.91.203
45 2026-08-17 08:13 639225512148151789
39 ms 172.67.179.86
44 2026-08-17 07:21 639225480786142412
51 ms 104.21.91.203
43 2026-08-17 07:21 639225480786142412
51 ms 172.67.179.86
42 2026-08-17 07:05 639225471394348551
13 ms 104.21.91.203
41 2026-08-17 07:05 639225471394348551
13 ms 172.67.179.86
40 2026-08-17 06:50 639225462031685068
2029 ms 172.67.179.86
39 2026-08-17 06:50 639225462031685068
2029 ms 104.21.91.203
38 2026-08-17 06:34 639225452639458328
36 ms 172.67.179.86
37 2026-08-17 06:34 639225452639458328
36 ms 104.21.91.203
36 2026-08-17 06:19 639225443300966543
34 ms 104.21.91.203
35 2026-08-17 06:19 639225443300966543
34 ms 172.67.179.86
34 2026-08-17 06:03 639225433880499379
2045 ms 172.67.179.86
33 2026-08-17 06:03 639225433880499379
2045 ms 104.21.91.203
32 2026-08-17 05:47 639225424395198277
37 ms 172.67.179.86
31 2026-08-17 05:47 639225424395198277
37 ms 104.21.91.203
30 2026-08-17 05:31 639225414744137487
20 ms 104.21.91.203
29 2026-08-17 05:31 639225414744137487
20 ms 172.67.179.86
28 2026-08-17 05:15 639225405186783164
15 ms 172.67.179.86
27 2026-08-17 05:15 639225405186783164
15 ms 104.21.91.203
26 2026-08-17 04:59 639225395563669822
49 ms 104.21.91.203
25 2026-08-17 04:59 639225395563669822
49 ms 172.67.179.86
24 2026-08-17 04:43 639225386076645158
33 ms 172.67.179.86
23 2026-08-17 04:43 639225386076645158
33 ms 104.21.91.203
22 2026-08-17 04:28 639225376620669704
31 ms 104.21.91.203
21 2026-08-17 04:28 639225376620669704
31 ms 172.67.179.86
20 2026-08-17 03:36 639225345580892706
26 ms 104.21.91.203
19 2026-08-17 03:36 639225345580892706
26 ms 172.67.179.86
18 2026-08-17 03:20 639225336207383710
7 ms 172.67.179.86
17 2026-08-17 03:20 639225336207383710
7 ms 104.21.91.203
16 2026-08-17 03:04 639225326726565001
22 ms 172.67.179.86
15 2026-08-17 03:04 639225326726565001
22 ms 104.21.91.203
14 2026-08-17 02:49 639225317249271010
7 ms 172.67.179.86
13 2026-08-17 02:49 639225317249271010
7 ms 104.21.91.203
12 2026-08-17 01:57 639225286280886044
24 ms 104.21.91.203
11 2026-08-17 01:57 639225286280886044
24 ms 172.67.179.86
10 2026-08-17 01:41 639225276872567548
21 ms 172.67.179.86
9 2026-08-17 01:41 639225276872567548
21 ms 104.21.91.203
8 2026-08-17 01:25 639225267353865348
24 ms 172.67.179.86
7 2026-08-17 01:25 639225267353865348
24 ms 104.21.91.203
6 2026-08-17 01:10 639225258033914248
13 ms 172.67.179.86
5 2026-08-17 01:10 639225258033914248
13 ms 104.21.91.203
4 2026-08-17 00:18 639225226652221583
112 ms 172.67.179.86
3 2026-08-17 00:18 639225226652221583
112 ms 104.21.91.203
2 2026-08-17 00:02 639225217156387684
56 ms 172.67.179.86
1 2026-08-17 00:02 639225217156387684
56 ms 104.21.91.203