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 2026-08-27. For this date, NameServerHistory found 142 DNS check records, 142 successful responses, 0 failed responses, and 163 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

142

Historical checks stored for this nameserver on selected date

Average Latency

163 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-27 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

142

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 2026-08-27 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
142 2026-08-27 23:16 639234690580226618
45 ms 104.21.91.203
141 2026-08-27 23:16 639234690580226618
45 ms 172.67.179.86
140 2026-08-27 22:59 639234680477852135
7 ms 104.21.91.203
139 2026-08-27 22:59 639234680477852135
7 ms 172.67.179.86
138 2026-08-27 22:42 639234670282270693
2047 ms 104.21.91.203
137 2026-08-27 22:42 639234670282270693
2047 ms 172.67.179.86
136 2026-08-27 22:25 639234660146106544
42 ms 104.21.91.203
135 2026-08-27 22:25 639234660146106544
42 ms 172.67.179.86
134 2026-08-27 22:08 639234649768231829
4 ms 104.21.91.203
133 2026-08-27 22:08 639234649768231829
4 ms 172.67.179.86
132 2026-08-27 21:51 639234639589413826
8 ms 104.21.91.203
131 2026-08-27 21:51 639234639589413826
8 ms 172.67.179.86
130 2026-08-27 21:34 639234629372993861
7 ms 104.21.91.203
129 2026-08-27 21:34 639234629372993861
7 ms 172.67.179.86
128 2026-08-27 21:17 639234619223904344
39 ms 104.21.91.203
127 2026-08-27 21:17 639234619223904344
39 ms 172.67.179.86
126 2026-08-27 21:00 639234608944811927
29 ms 172.67.179.86
125 2026-08-27 21:00 639234608944811927
29 ms 104.21.91.203
124 2026-08-27 20:43 639234598661858910
7 ms 104.21.91.203
123 2026-08-27 20:43 639234598661858910
7 ms 172.67.179.86
122 2026-08-27 20:26 639234588314533893
36 ms 172.67.179.86
121 2026-08-27 20:26 639234588314533893
36 ms 104.21.91.203
120 2026-08-27 20:08 639234577878211878
15 ms 172.67.179.86
119 2026-08-27 20:08 639234577878211878
15 ms 104.21.91.203
118 2026-08-27 19:14 639234545578367474
4020 ms 172.67.179.86
117 2026-08-27 19:14 639234545578367474
4020 ms 104.21.91.203
116 2026-08-27 18:57 639234535255111795
20 ms 104.21.91.203
115 2026-08-27 18:57 639234535255111795
20 ms 172.67.179.86
114 2026-08-27 18:40 639234525107594067
108 ms 172.67.179.86
113 2026-08-27 18:40 639234525107594067
108 ms 104.21.91.203
112 2026-08-27 18:23 639234514890244566
34 ms 104.21.91.203
111 2026-08-27 18:23 639234514890244566
34 ms 172.67.179.86
110 2026-08-27 18:06 639234504745477862
14 ms 104.21.91.203
109 2026-08-27 18:06 639234504745477862
14 ms 172.67.179.86
108 2026-08-27 17:49 639234494449227290
7 ms 104.21.91.203
107 2026-08-27 17:49 639234494449227290
7 ms 172.67.179.86
106 2026-08-27 17:32 639234484118025686
24 ms 104.21.91.203
105 2026-08-27 17:32 639234484118025686
24 ms 172.67.179.86
104 2026-08-27 17:15 639234473946362077
22 ms 172.67.179.86
103 2026-08-27 17:15 639234473946362077
22 ms 104.21.91.203
102 2026-08-27 16:58 639234463759124388
49 ms 172.67.179.86
101 2026-08-27 16:58 639234463759124388
49 ms 104.21.91.203
100 2026-08-27 16:41 639234453500759178
7 ms 104.21.91.203
99 2026-08-27 16:41 639234453500759178
7 ms 172.67.179.86
98 2026-08-27 16:23 639234442983541638
7 ms 172.67.179.86
97 2026-08-27 16:23 639234442983541638
7 ms 104.21.91.203
96 2026-08-27 16:06 639234432404354562
7 ms 104.21.91.203
95 2026-08-27 16:06 639234432404354562
7 ms 172.67.179.86
94 2026-08-27 15:11 639234399767719119
13 ms 104.21.91.203
93 2026-08-27 15:11 639234399767719119
13 ms 172.67.179.86
92 2026-08-27 14:54 639234389460601485
8 ms 172.67.179.86
91 2026-08-27 14:54 639234389460601485
8 ms 104.21.91.203
90 2026-08-27 14:37 639234379227178707
24 ms 172.67.179.86
89 2026-08-27 14:37 639234379227178707
24 ms 104.21.91.203
88 2026-08-27 14:20 639234369065315214
37 ms 172.67.179.86
87 2026-08-27 14:20 639234369065315214
37 ms 104.21.91.203
86 2026-08-27 14:03 639234358825501576
19 ms 172.67.179.86
85 2026-08-27 14:03 639234358825501576
19 ms 104.21.91.203
84 2026-08-27 13:46 639234348572745268
42 ms 104.21.91.203
83 2026-08-27 13:46 639234348572745268
42 ms 172.67.179.86
82 2026-08-27 13:29 639234338264503481
23 ms 172.67.179.86
81 2026-08-27 13:29 639234338264503481
23 ms 104.21.91.203
80 2026-08-27 13:11 639234327818741376
8 ms 104.21.91.203
79 2026-08-27 13:11 639234327818741376
8 ms 172.67.179.86
78 2026-08-27 12:54 639234317475724313
7 ms 172.67.179.86
77 2026-08-27 12:54 639234317475724313
7 ms 104.21.91.203
76 2026-08-27 12:37 639234307007468133
11 ms 104.21.91.203
75 2026-08-27 12:37 639234307007468133
11 ms 172.67.179.86
74 2026-08-27 12:19 639234296664302575
17 ms 172.67.179.86
73 2026-08-27 12:19 639234296664302575
17 ms 104.21.91.203
72 2026-08-27 12:02 639234286253196126
20 ms 104.21.91.203
71 2026-08-27 12:02 639234286253196126
20 ms 172.67.179.86
70 2026-08-27 11:08 639234253963286387
44 ms 104.21.91.203
69 2026-08-27 11:08 639234253963286387
44 ms 172.67.179.86
68 2026-08-27 10:51 639234243654907465
15 ms 172.67.179.86
67 2026-08-27 10:51 639234243654907465
15 ms 104.21.91.203
66 2026-08-27 10:34 639234233269654413
52 ms 172.67.179.86
65 2026-08-27 10:34 639234233269654413
52 ms 104.21.91.203
64 2026-08-27 10:17 639234222943951923
5 ms 172.67.179.86
63 2026-08-27 10:17 639234222943951923
5 ms 104.21.91.203
62 2026-08-27 09:59 639234212558002823
11 ms 172.67.179.86
61 2026-08-27 09:59 639234212558002823
11 ms 104.21.91.203
60 2026-08-27 09:42 639234202117531850
8 ms 104.21.91.203
59 2026-08-27 09:42 639234202117531850
8 ms 172.67.179.86
58 2026-08-27 09:24 639234191649612722
36 ms 172.67.179.86
57 2026-08-27 09:24 639234191649612722
36 ms 104.21.91.203
56 2026-08-27 09:07 639234181105879568
9 ms 172.67.179.86
55 2026-08-27 09:07 639234181105879568
9 ms 104.21.91.203
54 2026-08-27 08:50 639234170713214496
9 ms 104.21.91.203
53 2026-08-27 08:50 639234170713214496
9 ms 172.67.179.86
52 2026-08-27 08:32 639234160341037652
39 ms 104.21.91.203
51 2026-08-27 08:32 639234160341037652
39 ms 172.67.179.86
50 2026-08-27 08:15 639234149799404224
2020 ms 104.21.91.203
49 2026-08-27 08:15 639234149799404224
2020 ms 172.67.179.86
48 2026-08-27 07:58 639234139553286469
17 ms 172.67.179.86
47 2026-08-27 07:58 639234139553286469
17 ms 104.21.91.203
46 2026-08-27 07:04 639234107183588293
23 ms 172.67.179.86
45 2026-08-27 07:04 639234107183588293
23 ms 104.21.91.203
44 2026-08-27 06:47 639234096905435724
13 ms 172.67.179.86
43 2026-08-27 06:47 639234096905435724
13 ms 104.21.91.203
42 2026-08-27 06:30 639234086579410775
2042 ms 172.67.179.86
41 2026-08-27 06:30 639234086579410775
2042 ms 104.21.91.203
40 2026-08-27 06:12 639234076291157956
7 ms 104.21.91.203
39 2026-08-27 06:12 639234076291157956
7 ms 172.67.179.86
38 2026-08-27 05:55 639234065981939454
9 ms 172.67.179.86
37 2026-08-27 05:55 639234065981939454
9 ms 104.21.91.203
36 2026-08-27 05:38 639234055548642997
21 ms 104.21.91.203
35 2026-08-27 05:38 639234055548642997
21 ms 172.67.179.86
34 2026-08-27 05:20 639234045267979603
15 ms 172.67.179.86
33 2026-08-27 05:20 639234045267979603
15 ms 104.21.91.203
32 2026-08-27 05:04 639234034999717463
39 ms 104.21.91.203
31 2026-08-27 05:04 639234034999717463
39 ms 172.67.179.86
30 2026-08-27 04:46 639234024739225358
23 ms 172.67.179.86
29 2026-08-27 04:46 639234024739225358
23 ms 104.21.91.203
28 2026-08-27 04:29 639234014311170162
23 ms 104.21.91.203
27 2026-08-27 04:29 639234014311170162
23 ms 172.67.179.86
26 2026-08-27 04:11 639234003806017640
4 ms 172.67.179.86
25 2026-08-27 04:11 639234003806017640
4 ms 104.21.91.203
24 2026-08-27 03:54 639233993356203030
6 ms 104.21.91.203
23 2026-08-27 03:54 639233993356203030
6 ms 172.67.179.86
22 2026-08-27 03:01 639233961301716608
15 ms 172.67.179.86
21 2026-08-27 03:01 639233961301716608
15 ms 104.21.91.203
20 2026-08-27 02:43 639233950834200647
22 ms 172.67.179.86
19 2026-08-27 02:43 639233950834200647
22 ms 104.21.91.203
18 2026-08-27 02:26 639233940431849026
31 ms 104.21.91.203
17 2026-08-27 02:26 639233940431849026
31 ms 172.67.179.86
16 2026-08-27 02:09 639233930110596398
5 ms 172.67.179.86
15 2026-08-27 02:09 639233930110596398
5 ms 104.21.91.203
14 2026-08-27 01:51 639233919705434540
28 ms 104.21.91.203
13 2026-08-27 01:51 639233919705434540
28 ms 172.67.179.86
12 2026-08-27 01:34 639233909452807845
31 ms 104.21.91.203
11 2026-08-27 01:34 639233909452807845
31 ms 172.67.179.86
10 2026-08-27 01:17 639233899096420820
15 ms 104.21.91.203
9 2026-08-27 01:17 639233899096420820
15 ms 172.67.179.86
8 2026-08-27 01:00 639233888707824939
39 ms 172.67.179.86
7 2026-08-27 01:00 639233888707824939
39 ms 104.21.91.203
6 2026-08-27 00:42 639233878461203802
12 ms 104.21.91.203
5 2026-08-27 00:42 639233878461203802
12 ms 172.67.179.86
4 2026-08-27 00:25 639233868060868209
10 ms 172.67.179.86
3 2026-08-27 00:25 639233868060868209
10 ms 104.21.91.203
2 2026-08-27 00:08 639233857450922991
20 ms 104.21.91.203
1 2026-08-27 00:08 639233857450922991
20 ms 172.67.179.86