DNS response history for ns-usa.topdns.com

ns-usa.topdns.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 2026-08-25. For this date, NameServerHistory found 89 DNS check records, 88 successful responses, 1 failed responses, and 125 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 ns-usa.topdns.com.
Records on Selected Date

89

Historical checks stored for this nameserver on selected date

Average Latency

125 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 15:42

All timestamps shown in UTC

Latest Resolved IP on Selected Date

161.35.225.48

Most recently resolved hosting IP on selected date

Successful Responses

88

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 ns-usa.topdns.com

Showing DNS history for 2026-08-25 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
89 2026-08-25 15:42 639232692629559470
45 ms 161.35.225.48
88 2026-08-25 15:42 639232692629559470
45 ms 143.198.68.197
87 2026-08-25 15:25 639232682238836475
8 ms 143.198.68.197
86 2026-08-25 15:25 639232682238836475
8 ms 161.35.225.48
85 2026-08-25 15:07 639232671787004306
7 ms 143.198.68.197
84 2026-08-25 15:07 639232671787004306
7 ms 161.35.225.48
83 2026-08-25 14:13 639232638994329666
35 ms 161.35.225.48
82 2026-08-25 14:13 639232638994329666
35 ms 143.198.68.197
81 2026-08-25 13:55 639232628614783237
39 ms 143.198.68.197
80 2026-08-25 13:55 639232628614783237
39 ms 161.35.225.48
79 2026-08-25 13:38 639232618360728578
32 ms 161.35.225.48
78 2026-08-25 13:38 639232618360728578
32 ms 143.198.68.197
77 2026-08-25 13:21 639232608016476376
41 ms 161.35.225.48
76 2026-08-25 13:21 639232608016476376
41 ms 143.198.68.197
75 2026-08-25 13:04 639232597643611557
34 ms 143.198.68.197
74 2026-08-25 13:04 639232597643611557
34 ms 161.35.225.48
73 2026-08-25 12:46 639232587225721862
90 ms 161.35.225.48
72 2026-08-25 12:46 639232587225721862
90 ms 143.198.68.197
71 2026-08-25 12:29 639232576780683689
36 ms 161.35.225.48
70 2026-08-25 12:29 639232576780683689
36 ms 143.198.68.197
69 2026-08-25 12:12 639232566381512620
51 ms 161.35.225.48
68 2026-08-25 12:12 639232566381512620
51 ms 143.198.68.197
67 2026-08-25 11:54 639232556111768563
50 ms 161.35.225.48
66 2026-08-25 11:54 639232556111768563
50 ms 143.198.68.197
65 2026-08-25 11:37 639232545839529039
79 ms 161.35.225.48
64 2026-08-25 11:37 639232545839529039
79 ms 143.198.68.197
63 2026-08-25 11:20 639232535349285207
7 ms 143.198.68.197
62 2026-08-25 11:20 639232535349285207
7 ms 161.35.225.48
61 2026-08-25 11:03 639232524938080723
2019 ms 161.35.225.48
60 2026-08-25 11:03 639232524938080723
2019 ms 143.198.68.197
59 2026-08-25 10:09 639232492740373468
55 ms 161.35.225.48
58 2026-08-25 10:09 639232492740373468
55 ms 143.198.68.197
57 2026-08-25 09:51 639232482235303141
17 ms 143.198.68.197
56 2026-08-25 09:51 639232482235303141
17 ms 161.35.225.48
55 2026-08-25 09:34 639232471861770303
9 ms 161.35.225.48
54 2026-08-25 09:34 639232471861770303
9 ms 143.198.68.197
53 2026-08-25 09:17 639232461630217327
19 ms 143.198.68.197
52 2026-08-25 09:17 639232461630217327
19 ms 161.35.225.48
51 2026-08-25 09:00 639232451282965990
65 ms 161.35.225.48
50 2026-08-25 09:00 639232451282965990
65 ms 143.198.68.197
49 2026-08-25 08:42 639232440814614938
30 ms 161.35.225.48
48 2026-08-25 08:42 639232440814614938
30 ms 143.198.68.197
47 2026-08-25 08:25 639232430410720425
8 ms 161.35.225.48
46 2026-08-25 08:25 639232430410720425
8 ms 143.198.68.197
45 2026-08-25 08:08 639232420003096185
159 ms 161.35.225.48
44 2026-08-25 08:08 639232420003096185
159 ms 143.198.68.197
43 2026-08-25 07:50 639232409467287444
36 ms 143.198.68.197
42 2026-08-25 07:50 639232409467287444
36 ms 161.35.225.48
41 2026-08-25 07:33 639232399077195997
27 ms 161.35.225.48
40 2026-08-25 07:33 639232399077195997
27 ms 143.198.68.197
39 2026-08-25 07:15 639232388731528337
51 ms 161.35.225.48
38 2026-08-25 07:15 639232388731528337
51 ms 143.198.68.197
37 2026-08-25 06:58 639232378288598612
24 ms 161.35.225.48
36 2026-08-25 06:58 639232378288598612
24 ms 143.198.68.197
35 2026-08-25 06:05 639232346196373643
2007 ms 161.35.225.48
34 2026-08-25 06:05 639232346196373643
2007 ms 143.198.68.197
33 2026-08-25 05:48 639232336112370741
6 ms 161.35.225.48
32 2026-08-25 05:48 639232336112370741
6 ms 143.198.68.197
31 2026-08-25 05:31 639232326146508970
41 ms 161.35.225.48
30 2026-08-25 05:31 639232326146508970
41 ms 143.198.68.197
29 2026-08-25 05:15 639232316189381720
28 ms 161.35.225.48
28 2026-08-25 05:15 639232316189381720
28 ms 143.198.68.197
27 2026-08-25 04:58 639232306217998913
12 ms 143.198.68.197
26 2026-08-25 04:58 639232306217998913
12 ms 161.35.225.48
25 2026-08-25 04:41 639232296255744174
29 ms 143.198.68.197
24 2026-08-25 04:41 639232296255744174
29 ms 161.35.225.48
23 2026-08-25 04:24 639232286095760789
24 ms 161.35.225.48
22 2026-08-25 04:24 639232286095760789
24 ms 143.198.68.197
21 2026-08-25 04:08 639232276086186273
3 ms 143.198.68.197
20 2026-08-25 04:08 639232276086186273
3 ms 161.35.225.48
19 2026-08-25 03:51 639232265900986425
47 ms 161.35.225.48
18 2026-08-25 03:51 639232265900986425
47 ms 143.198.68.197
17 2026-08-25 03:34 639232255723518075
-
16 2026-08-25 03:17 639232245484452890
47 ms 161.35.225.48
15 2026-08-25 03:17 639232245484452890
47 ms 143.198.68.197
14 2026-08-25 03:00 639232235157175331
23 ms 161.35.225.48
13 2026-08-25 03:00 639232235157175331
23 ms 143.198.68.197
12 2026-08-25 02:06 639232203197189095
31 ms 161.35.225.48
11 2026-08-25 02:06 639232203197189095
31 ms 143.198.68.197
10 2026-08-25 01:49 639232192844564298
15 ms 143.198.68.197
9 2026-08-25 01:49 639232192844564298
15 ms 161.35.225.48
8 2026-08-25 01:32 639232182496008942
53 ms 161.35.225.48
7 2026-08-25 01:32 639232182496008942
53 ms 143.198.68.197
6 2026-08-25 01:15 639232172197053132
65 ms 161.35.225.48
5 2026-08-25 01:15 639232172197053132
65 ms 143.198.68.197
4 2026-08-25 00:21 639232140250307418
10 ms 143.198.68.197
3 2026-08-25 00:21 639232140250307418
10 ms 161.35.225.48
2 2026-08-25 00:04 639232129927860324
3 ms 143.198.68.197
1 2026-08-25 00:04 639232129927860324
3 ms 161.35.225.48