DNS response history for ns1.ussoftwareltd.com

ns1.ussoftwareltd.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 2026-08-09. For this date, NameServerHistory found 153 DNS check records, 152 successful responses, 1 failed responses, and 298 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.ussoftwareltd.com.
Records on Selected Date

153

Historical checks stored for this nameserver on selected date

Average Latency

298 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-09 23:15

All timestamps shown in UTC

Latest Resolved IP on Selected Date

104.21.40.131

Most recently resolved hosting IP on selected date

Successful Responses

152

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 ns1.ussoftwareltd.com

Showing DNS history for 2026-08-09 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
153 2026-08-09 23:15 639219137912168440
38 ms 104.21.40.131
152 2026-08-09 23:15 639219137912168440
38 ms 172.67.151.242
151 2026-08-09 23:00 639219129014206359
36 ms 172.67.151.242
150 2026-08-09 23:00 639219129014206359
36 ms 104.21.40.131
149 2026-08-09 22:45 639219120129816185
33 ms 104.21.40.131
148 2026-08-09 22:45 639219120129816185
33 ms 172.67.151.242
147 2026-08-09 22:30 639219111180200055
45 ms 172.67.151.242
146 2026-08-09 22:30 639219111180200055
45 ms 104.21.40.131
145 2026-08-09 22:16 639219102397272208
2024 ms 104.21.40.131
144 2026-08-09 22:16 639219102397272208
2024 ms 172.67.151.242
143 2026-08-09 22:01 639219093318422880
45 ms 172.67.151.242
142 2026-08-09 22:01 639219093318422880
45 ms 104.21.40.131
141 2026-08-09 21:46 639219084400315753
45 ms 104.21.40.131
140 2026-08-09 21:46 639219084400315753
45 ms 172.67.151.242
139 2026-08-09 21:31 639219075254551587
19 ms 172.67.151.242
138 2026-08-09 21:31 639219075254551587
19 ms 104.21.40.131
137 2026-08-09 21:15 639219065729192158
19 ms 104.21.40.131
136 2026-08-09 21:15 639219065729192158
19 ms 172.67.151.242
135 2026-08-09 20:59 639219056747802098
23 ms 104.21.40.131
134 2026-08-09 20:59 639219056747802098
23 ms 172.67.151.242
133 2026-08-09 20:45 639219047713450952
2018 ms 172.67.151.242
132 2026-08-09 20:45 639219047713450952
2018 ms 104.21.40.131
131 2026-08-09 20:29 639219038561445315
16 ms 104.21.40.131
130 2026-08-09 20:29 639219038561445315
16 ms 172.67.151.242
129 2026-08-09 19:36 639219007390383771
28 ms 172.67.151.242
128 2026-08-09 19:36 639219007390383771
28 ms 104.21.40.131
127 2026-08-09 19:22 639218998523265596
10 ms 172.67.151.242
126 2026-08-09 19:22 639218998523265596
10 ms 104.21.40.131
125 2026-08-09 19:07 639218989631630804
10 ms 172.67.151.242
124 2026-08-09 19:07 639218989631630804
10 ms 104.21.40.131
123 2026-08-09 18:52 639218980808450892
2024 ms 104.21.40.131
122 2026-08-09 18:52 639218980808450892
2024 ms 172.67.151.242
121 2026-08-09 18:37 639218971852160604
24 ms 104.21.40.131
120 2026-08-09 18:37 639218971852160604
24 ms 172.67.151.242
119 2026-08-09 18:22 639218962783650906
11 ms 104.21.40.131
118 2026-08-09 18:22 639218962783650906
11 ms 172.67.151.242
117 2026-08-09 18:07 639218953792820819
12 ms 104.21.40.131
116 2026-08-09 18:07 639218953792820819
12 ms 172.67.151.242
115 2026-08-09 17:52 639218944959692876
2017 ms 104.21.40.131
114 2026-08-09 17:52 639218944959692876
2017 ms 172.67.151.242
113 2026-08-09 17:38 639218936169104506
2023 ms 172.67.151.242
112 2026-08-09 17:38 639218936169104506
2023 ms 104.21.40.131
111 2026-08-09 17:23 639218927166062556
9 ms 172.67.151.242
110 2026-08-09 17:23 639218927166062556
9 ms 104.21.40.131
109 2026-08-09 17:07 639218918015715420
18 ms 104.21.40.131
108 2026-08-09 17:07 639218918015715420
18 ms 172.67.151.242
107 2026-08-09 16:52 639218908881852638
9 ms 104.21.40.131
106 2026-08-09 16:52 639218908881852638
9 ms 172.67.151.242
105 2026-08-09 16:00 639218877956262035
16 ms 172.67.151.242
104 2026-08-09 16:00 639218877956262035
16 ms 104.21.40.131
103 2026-08-09 15:46 639218869143729797
35 ms 104.21.40.131
102 2026-08-09 15:46 639218869143729797
35 ms 172.67.151.242
101 2026-08-09 15:31 639218860485298832
16 ms 172.67.151.242
100 2026-08-09 15:31 639218860485298832
16 ms 104.21.40.131
99 2026-08-09 15:16 639218851607906747
14 ms 172.67.151.242
98 2026-08-09 15:16 639218851607906747
14 ms 104.21.40.131
97 2026-08-09 15:02 639218842720839568
51 ms 172.67.151.242
96 2026-08-09 15:02 639218842720839568
51 ms 104.21.40.131
95 2026-08-09 14:47 639218833878788864
67 ms 172.67.151.242
94 2026-08-09 14:47 639218833878788864
67 ms 104.21.40.131
93 2026-08-09 14:32 639218825180862573
7 ms 172.67.151.242
92 2026-08-09 14:32 639218825180862573
7 ms 104.21.40.131
91 2026-08-09 14:18 639218816469621951
7 ms 172.67.151.242
90 2026-08-09 14:18 639218816469621951
7 ms 104.21.40.131
89 2026-08-09 14:03 639218807685036212
45 ms 172.67.151.242
88 2026-08-09 14:03 639218807685036212
45 ms 104.21.40.131
87 2026-08-09 13:49 639218798978271509
40 ms 172.67.151.242
86 2026-08-09 13:49 639218798978271509
40 ms 104.21.40.131
85 2026-08-09 13:34 639218790065423597
50 ms 104.21.40.131
84 2026-08-09 13:34 639218790065423597
50 ms 172.67.151.242
83 2026-08-09 13:19 639218781304584862
-
82 2026-08-09 12:28 639218750311179000
26 ms 172.67.151.242
81 2026-08-09 12:28 639218750311179000
26 ms 104.21.40.131
80 2026-08-09 12:14 639218741750420268
27 ms 172.67.151.242
79 2026-08-09 12:14 639218741750420268
27 ms 104.21.40.131
78 2026-08-09 11:59 639218733057535576
69 ms 172.67.151.242
77 2026-08-09 11:59 639218733057535576
69 ms 104.21.40.131
76 2026-08-09 11:45 639218724471329044
32 ms 104.21.40.131
75 2026-08-09 11:45 639218724471329044
32 ms 172.67.151.242
74 2026-08-09 11:31 639218715911974203
39 ms 104.21.40.131
73 2026-08-09 11:31 639218715911974203
39 ms 172.67.151.242
72 2026-08-09 11:16 639218707310812834
62 ms 104.21.40.131
71 2026-08-09 11:16 639218707310812834
62 ms 172.67.151.242
70 2026-08-09 11:02 639218698790485612
41 ms 104.21.40.131
69 2026-08-09 11:02 639218698790485612
41 ms 172.67.151.242
68 2026-08-09 10:48 639218690367692706
12 ms 172.67.151.242
67 2026-08-09 10:48 639218690367692706
12 ms 104.21.40.131
66 2026-08-09 10:34 639218681923173883
2061 ms 172.67.151.242
65 2026-08-09 10:34 639218681923173883
2061 ms 104.21.40.131
64 2026-08-09 10:20 639218673547179738
32 ms 172.67.151.242
63 2026-08-09 10:20 639218673547179738
32 ms 104.21.40.131
62 2026-08-09 10:05 639218664890274867
18 ms 104.21.40.131
61 2026-08-09 10:05 639218664890274867
18 ms 172.67.151.242
60 2026-08-09 09:51 639218656036928157
10 ms 172.67.151.242
59 2026-08-09 09:51 639218656036928157
10 ms 104.21.40.131
58 2026-08-09 08:59 639218624808018222
9 ms 104.21.40.131
57 2026-08-09 08:59 639218624808018222
9 ms 172.67.151.242
56 2026-08-09 08:45 639218616243340806
15 ms 104.21.40.131
55 2026-08-09 08:45 639218616243340806
15 ms 172.67.151.242
54 2026-08-09 08:30 639218607397811973
39 ms 104.21.40.131
53 2026-08-09 08:30 639218607397811973
39 ms 172.67.151.242
52 2026-08-09 08:16 639218598812444454
6 ms 172.67.151.242
51 2026-08-09 08:16 639218598812444454
6 ms 104.21.40.131
50 2026-08-09 08:02 639218590219570048
30 ms 172.67.151.242
49 2026-08-09 08:02 639218590219570048
30 ms 104.21.40.131
48 2026-08-09 07:48 639218581690210758
27 ms 172.67.151.242
47 2026-08-09 07:48 639218581690210758
27 ms 104.21.40.131
46 2026-08-09 07:33 639218573057388822
27 ms 104.21.40.131
45 2026-08-09 07:33 639218573057388822
27 ms 172.67.151.242
44 2026-08-09 07:19 639218564408781785
31 ms 172.67.151.242
43 2026-08-09 07:19 639218564408781785
31 ms 104.21.40.131
42 2026-08-09 07:04 639218555767188482
2024 ms 172.67.151.242
41 2026-08-09 07:04 639218555767188482
2024 ms 104.21.40.131
40 2026-08-09 06:50 639218547142705295
20 ms 104.21.40.131
39 2026-08-09 06:50 639218547142705295
20 ms 172.67.151.242
38 2026-08-09 06:35 639218538090114532
16 ms 104.21.40.131
37 2026-08-09 06:35 639218538090114532
16 ms 172.67.151.242
36 2026-08-09 06:20 639218529257910584
25 ms 104.21.40.131
35 2026-08-09 06:20 639218529257910584
25 ms 172.67.151.242
34 2026-08-09 05:27 639218498473231858
2038 ms 172.67.151.242
33 2026-08-09 05:27 639218498473231858
2038 ms 104.21.40.131
32 2026-08-09 05:13 639218489802113995
2022 ms 172.67.151.242
31 2026-08-09 05:13 639218489802113995
2022 ms 104.21.40.131
30 2026-08-09 04:58 639218481006804516
2040 ms 172.67.151.242
29 2026-08-09 04:58 639218481006804516
2040 ms 104.21.40.131
28 2026-08-09 04:43 639218472048712427
49 ms 104.21.40.131
27 2026-08-09 04:43 639218472048712427
49 ms 172.67.151.242
26 2026-08-09 04:29 639218463224432974
138 ms 172.67.151.242
25 2026-08-09 04:29 639218463224432974
138 ms 104.21.40.131
24 2026-08-09 04:14 639218454384107526
75 ms 172.67.151.242
23 2026-08-09 04:14 639218454384107526
75 ms 104.21.40.131
22 2026-08-09 03:59 639218445331231791
103 ms 104.21.40.131
21 2026-08-09 03:59 639218445331231791
103 ms 172.67.151.242
20 2026-08-09 03:44 639218436285215733
14 ms 104.21.40.131
19 2026-08-09 03:44 639218436285215733
14 ms 172.67.151.242
18 2026-08-09 03:29 639218427289555123
14 ms 104.21.40.131
17 2026-08-09 03:29 639218427289555123
14 ms 172.67.151.242
16 2026-08-09 03:14 639218418227819981
48 ms 172.67.151.242
15 2026-08-09 03:14 639218418227819981
48 ms 104.21.40.131
14 2026-08-09 02:59 639218409119503123
122 ms 172.67.151.242
13 2026-08-09 02:59 639218409119503123
122 ms 104.21.40.131
12 2026-08-09 02:43 639218399771712154
34 ms 172.67.151.242
11 2026-08-09 02:43 639218399771712154
34 ms 104.21.40.131
10 2026-08-09 01:50 639218368648652303
33 ms 172.67.151.242
9 2026-08-09 01:50 639218368648652303
33 ms 104.21.40.131
8 2026-08-09 01:34 639218359569598460
69 ms 172.67.151.242
7 2026-08-09 01:34 639218359569598460
69 ms 104.21.40.131
6 2026-08-09 01:19 639218350555429902
102 ms 172.67.151.242
5 2026-08-09 01:19 639218350555429902
102 ms 104.21.40.131
4 2026-08-09 01:04 639218341311543299
86 ms 172.67.151.242
3 2026-08-09 01:04 639218341311543299
86 ms 104.21.40.131
2 2026-08-09 00:12 639218309981981465
59 ms 104.21.40.131
1 2026-08-09 00:12 639218309981981465
59 ms 172.67.151.242