DNS response history for ns1.ostraining.com

ns1.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 2026-08-23. For this date, NameServerHistory found 150 DNS check records, 150 successful responses, 0 failed responses, and 268 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 ns1.ostraining.com.
Records on Selected Date

150

Historical checks stored for this nameserver on selected date

Average Latency

268 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-23 23:49

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

150

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 ns1.ostraining.com

Showing DNS history for 2026-08-23 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
150 2026-08-23 23:49 639231254406598736
26 ms 104.21.91.203
149 2026-08-23 23:49 639231254406598736
26 ms 172.67.179.86
148 2026-08-23 23:33 639231244697865594
2031 ms 172.67.179.86
147 2026-08-23 23:33 639231244697865594
2031 ms 104.21.91.203
146 2026-08-23 23:17 639231234893504693
5 ms 172.67.179.86
145 2026-08-23 23:17 639231234893504693
5 ms 104.21.91.203
144 2026-08-23 23:00 639231225024549139
19 ms 172.67.179.86
143 2026-08-23 23:00 639231225024549139
19 ms 104.21.91.203
142 2026-08-23 22:44 639231214931957622
2028 ms 172.67.179.86
141 2026-08-23 22:44 639231214931957622
2028 ms 104.21.91.203
140 2026-08-23 22:27 639231204962010549
15 ms 104.21.91.203
139 2026-08-23 22:27 639231204962010549
15 ms 172.67.179.86
138 2026-08-23 22:10 639231195170138463
19 ms 104.21.91.203
137 2026-08-23 22:10 639231195170138463
19 ms 172.67.179.86
136 2026-08-23 21:54 639231185235020577
12 ms 104.21.91.203
135 2026-08-23 21:54 639231185235020577
12 ms 172.67.179.86
134 2026-08-23 21:38 639231175558690075
2016 ms 172.67.179.86
133 2026-08-23 21:38 639231175558690075
2016 ms 104.21.91.203
132 2026-08-23 21:21 639231165610444012
7 ms 172.67.179.86
131 2026-08-23 21:21 639231165610444012
7 ms 104.21.91.203
130 2026-08-23 20:28 639231133806425363
35 ms 172.67.179.86
129 2026-08-23 20:28 639231133806425363
35 ms 104.21.91.203
128 2026-08-23 20:12 639231124203758023
2036 ms 104.21.91.203
127 2026-08-23 20:12 639231124203758023
2036 ms 172.67.179.86
126 2026-08-23 19:56 639231114428262706
26 ms 172.67.179.86
125 2026-08-23 19:56 639231114428262706
26 ms 104.21.91.203
124 2026-08-23 19:40 639231104662480065
7 ms 104.21.91.203
123 2026-08-23 19:40 639231104662480065
7 ms 172.67.179.86
122 2026-08-23 19:23 639231094840372018
75 ms 104.21.91.203
121 2026-08-23 19:23 639231094840372018
75 ms 172.67.179.86
120 2026-08-23 19:07 639231085024583224
36 ms 104.21.91.203
119 2026-08-23 19:07 639231085024583224
36 ms 172.67.179.86
118 2026-08-23 18:51 639231075257417427
30 ms 172.67.179.86
117 2026-08-23 18:51 639231075257417427
30 ms 104.21.91.203
116 2026-08-23 18:34 639231065516009503
76 ms 172.67.179.86
115 2026-08-23 18:34 639231065516009503
76 ms 104.21.91.203
114 2026-08-23 18:18 639231055805348837
17 ms 104.21.91.203
113 2026-08-23 18:18 639231055805348837
17 ms 172.67.179.86
112 2026-08-23 18:02 639231045980373765
23 ms 172.67.179.86
111 2026-08-23 18:02 639231045980373765
23 ms 104.21.91.203
110 2026-08-23 17:45 639231035984577527
9 ms 172.67.179.86
109 2026-08-23 17:45 639231035984577527
9 ms 104.21.91.203
108 2026-08-23 17:28 639231025928115303
51 ms 172.67.179.86
107 2026-08-23 17:28 639231025928115303
51 ms 104.21.91.203
106 2026-08-23 16:36 639230994250157583
37 ms 104.21.91.203
105 2026-08-23 16:36 639230994250157583
37 ms 172.67.179.86
104 2026-08-23 16:19 639230984476411369
2023 ms 172.67.179.86
103 2026-08-23 16:19 639230984476411369
2023 ms 104.21.91.203
102 2026-08-23 16:03 639230974838373450
43 ms 104.21.91.203
101 2026-08-23 16:03 639230974838373450
43 ms 172.67.179.86
100 2026-08-23 15:47 639230965244277645
7 ms 104.21.91.203
99 2026-08-23 15:47 639230965244277645
7 ms 172.67.179.86
98 2026-08-23 15:31 639230955522101820
20 ms 104.21.91.203
97 2026-08-23 15:31 639230955522101820
20 ms 172.67.179.86
96 2026-08-23 15:15 639230945754521603
2048 ms 104.21.91.203
95 2026-08-23 15:15 639230945754521603
2048 ms 172.67.179.86
94 2026-08-23 14:58 639230935852040504
22 ms 104.21.91.203
93 2026-08-23 14:58 639230935852040504
22 ms 172.67.179.86
92 2026-08-23 14:42 639230926222061048
11 ms 172.67.179.86
91 2026-08-23 14:42 639230926222061048
11 ms 104.21.91.203
90 2026-08-23 14:26 639230916449726907
40 ms 172.67.179.86
89 2026-08-23 14:26 639230916449726907
40 ms 104.21.91.203
88 2026-08-23 14:10 639230906595053086
15 ms 104.21.91.203
87 2026-08-23 14:10 639230906595053086
15 ms 172.67.179.86
86 2026-08-23 13:53 639230896680429441
17 ms 104.21.91.203
85 2026-08-23 13:53 639230896680429441
17 ms 172.67.179.86
84 2026-08-23 13:36 639230886630210965
36 ms 172.67.179.86
83 2026-08-23 13:36 639230886630210965
36 ms 104.21.91.203
82 2026-08-23 12:44 639230855430405719
25 ms 104.21.91.203
81 2026-08-23 12:44 639230855430405719
25 ms 172.67.179.86
80 2026-08-23 12:28 639230845707499136
28 ms 172.67.179.86
79 2026-08-23 12:28 639230845707499136
28 ms 104.21.91.203
78 2026-08-23 12:12 639230836186805419
73 ms 104.21.91.203
77 2026-08-23 12:12 639230836186805419
73 ms 172.67.179.86
76 2026-08-23 11:56 639230826493828316
47 ms 172.67.179.86
75 2026-08-23 11:56 639230826493828316
47 ms 104.21.91.203
74 2026-08-23 11:40 639230816817882996
18 ms 104.21.91.203
73 2026-08-23 11:40 639230816817882996
18 ms 172.67.179.86
72 2026-08-23 11:23 639230806933854189
21 ms 172.67.179.86
71 2026-08-23 11:23 639230806933854189
21 ms 104.21.91.203
70 2026-08-23 11:07 639230797120243854
33 ms 172.67.179.86
69 2026-08-23 11:07 639230797120243854
33 ms 104.21.91.203
68 2026-08-23 10:51 639230787310272840
7 ms 104.21.91.203
67 2026-08-23 10:51 639230787310272840
7 ms 172.67.179.86
66 2026-08-23 10:34 639230777600173142
63 ms 104.21.91.203
65 2026-08-23 10:34 639230777600173142
63 ms 172.67.179.86
64 2026-08-23 10:18 639230767665024593
41 ms 104.21.91.203
63 2026-08-23 10:18 639230767665024593
41 ms 172.67.179.86
62 2026-08-23 10:01 639230757720962293
10 ms 104.21.91.203
61 2026-08-23 10:01 639230757720962293
10 ms 172.67.179.86
60 2026-08-23 09:45 639230747722189784
10 ms 104.21.91.203
59 2026-08-23 09:45 639230747722189784
10 ms 172.67.179.86
58 2026-08-23 08:52 639230716313923480
15 ms 172.67.179.86
57 2026-08-23 08:52 639230716313923480
15 ms 104.21.91.203
56 2026-08-23 08:36 639230706813835990
2044 ms 172.67.179.86
55 2026-08-23 08:36 639230706813835990
2044 ms 104.21.91.203
54 2026-08-23 08:20 639230696871062203
7 ms 172.67.179.86
53 2026-08-23 08:20 639230696871062203
7 ms 104.21.91.203
52 2026-08-23 08:04 639230687142781616
19 ms 172.67.179.86
51 2026-08-23 08:04 639230687142781616
19 ms 104.21.91.203
50 2026-08-23 07:48 639230677432142227
20 ms 172.67.179.86
49 2026-08-23 07:48 639230677432142227
20 ms 104.21.91.203
48 2026-08-23 07:31 639230667686258061
22 ms 172.67.179.86
47 2026-08-23 07:31 639230667686258061
22 ms 104.21.91.203
46 2026-08-23 07:15 639230658039243685
29 ms 172.67.179.86
45 2026-08-23 07:15 639230658039243685
29 ms 104.21.91.203
44 2026-08-23 06:59 639230648468473803
2015 ms 104.21.91.203
43 2026-08-23 06:59 639230648468473803
2015 ms 172.67.179.86
42 2026-08-23 06:43 639230638829658294
12 ms 104.21.91.203
41 2026-08-23 06:43 639230638829658294
12 ms 172.67.179.86
40 2026-08-23 06:27 639230629247017617
19 ms 104.21.91.203
39 2026-08-23 06:27 639230629247017617
19 ms 172.67.179.86
38 2026-08-23 06:11 639230619625318239
9 ms 104.21.91.203
37 2026-08-23 06:11 639230619625318239
9 ms 172.67.179.86
36 2026-08-23 05:55 639230609697630264
33 ms 104.21.91.203
35 2026-08-23 05:55 639230609697630264
33 ms 172.67.179.86
34 2026-08-23 05:03 639230578570131864
2023 ms 104.21.91.203
33 2026-08-23 05:03 639230578570131864
2023 ms 172.67.179.86
32 2026-08-23 04:47 639230568958963168
22 ms 172.67.179.86
31 2026-08-23 04:47 639230568958963168
22 ms 104.21.91.203
30 2026-08-23 04:31 639230559287611211
4 ms 172.67.179.86
29 2026-08-23 04:31 639230559287611211
4 ms 104.21.91.203
28 2026-08-23 04:15 639230549524312030
20 ms 104.21.91.203
27 2026-08-23 04:15 639230549524312030
20 ms 172.67.179.86
26 2026-08-23 03:58 639230539739801669
88 ms 104.21.91.203
25 2026-08-23 03:58 639230539739801669
88 ms 172.67.179.86
24 2026-08-23 03:42 639230530084069375
100 ms 104.21.91.203
23 2026-08-23 03:42 639230530084069375
100 ms 172.67.179.86
22 2026-08-23 03:26 639230520362691441
6 ms 172.67.179.86
21 2026-08-23 03:26 639230520362691441
6 ms 104.21.91.203
20 2026-08-23 03:10 639230510677194518
43 ms 172.67.179.86
19 2026-08-23 03:10 639230510677194518
43 ms 104.21.91.203
18 2026-08-23 02:54 639230501156002646
58 ms 104.21.91.203
17 2026-08-23 02:54 639230501156002646
58 ms 172.67.179.86
16 2026-08-23 02:38 639230491502198541
4 ms 172.67.179.86
15 2026-08-23 02:38 639230491502198541
4 ms 104.21.91.203
14 2026-08-23 02:21 639230481860318494
21 ms 172.67.179.86
13 2026-08-23 02:21 639230481860318494
21 ms 104.21.91.203
12 2026-08-23 02:05 639230471893008575
24 ms 104.21.91.203
11 2026-08-23 02:05 639230471893008575
24 ms 172.67.179.86
10 2026-08-23 01:12 639230440030877421
64 ms 172.67.179.86
9 2026-08-23 01:12 639230440030877421
64 ms 104.21.91.203
8 2026-08-23 00:56 639230430479725508
13 ms 172.67.179.86
7 2026-08-23 00:56 639230430479725508
13 ms 104.21.91.203
6 2026-08-23 00:40 639230420875160219
26 ms 172.67.179.86
5 2026-08-23 00:40 639230420875160219
26 ms 104.21.91.203
4 2026-08-23 00:24 639230411240692575
12 ms 104.21.91.203
3 2026-08-23 00:24 639230411240692575
12 ms 172.67.179.86
2 2026-08-23 00:08 639230401550806607
9 ms 104.21.91.203
1 2026-08-23 00:08 639230401550806607
9 ms 172.67.179.86