DNS response history for ns4.a0.impervasecuredns.net

ns4.a0.impervasecuredns.net 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 42 DNS check records, 42 successful responses, 0 failed responses, and 208 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 ns4.a0.impervasecuredns.net.
Records on Selected Date

42

Historical checks stored for this nameserver on selected date

Average Latency

208 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 14:17

All timestamps shown in UTC

Latest Resolved IP on Selected Date

192.230.121.4

Most recently resolved hosting IP on selected date

Successful Responses

42

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 ns4.a0.impervasecuredns.net

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
42 2026-08-25 14:17 639232638994329666
10 ms 192.230.121.4
41 2026-08-25 14:00 639232628614783237
9 ms 192.230.121.4
40 2026-08-25 13:43 639232618360728578
9 ms 192.230.121.4
39 2026-08-25 13:26 639232608016476376
43 ms 192.230.121.4
38 2026-08-25 13:08 639232597643611557
5 ms 192.230.121.4
37 2026-08-25 12:51 639232587225721862
17 ms 192.230.121.4
36 2026-08-25 12:34 639232576780683689
10 ms 192.230.121.4
35 2026-08-25 12:16 639232566381512620
6 ms 192.230.121.4
34 2026-08-25 11:59 639232556111768563
5 ms 192.230.121.4
33 2026-08-25 11:42 639232545839529039
9 ms 192.230.121.4
32 2026-08-25 11:25 639232535349285207
2009 ms 192.230.121.4
31 2026-08-25 11:07 639232524938080723
32 ms 192.230.121.4
30 2026-08-25 10:13 639232492740373468
17 ms 192.230.121.4
29 2026-08-25 09:56 639232482235303141
5 ms 192.230.121.4
28 2026-08-25 09:39 639232471861770303
55 ms 192.230.121.4
27 2026-08-25 09:22 639232461630217327
5 ms 192.230.121.4
26 2026-08-25 09:04 639232451282965990
10 ms 192.230.121.4
25 2026-08-25 08:47 639232440814614938
2063 ms 192.230.121.4
24 2026-08-25 08:29 639232430410720425
4 ms 192.230.121.4
23 2026-08-25 08:12 639232420003096185
27 ms 192.230.121.4
22 2026-08-25 07:55 639232409467287444
13 ms 192.230.121.4
21 2026-08-25 07:37 639232399077195997
44 ms 192.230.121.4
20 2026-08-25 07:20 639232388731528337
3 ms 192.230.121.4
19 2026-08-25 07:03 639232378288598612
62 ms 192.230.121.4
18 2026-08-25 06:09 639232346196373643
22 ms 192.230.121.4
17 2026-08-25 05:52 639232336112370741
2010 ms 192.230.121.4
16 2026-08-25 05:36 639232326146508970
37 ms 192.230.121.4
15 2026-08-25 05:19 639232316189381720
21 ms 192.230.121.4
14 2026-08-25 05:03 639232306217998913
5 ms 192.230.121.4
13 2026-08-25 04:46 639232296255744174
30 ms 192.230.121.4
12 2026-08-25 04:29 639232286095760789
8 ms 192.230.121.4
11 2026-08-25 04:12 639232276086186273
4 ms 192.230.121.4
10 2026-08-25 03:55 639232265900986425
6 ms 192.230.121.4
9 2026-08-25 03:38 639232255723518075
2009 ms 192.230.121.4
8 2026-08-25 03:21 639232245484452890
5 ms 192.230.121.4
7 2026-08-25 03:04 639232235157175331
6 ms 192.230.121.4
6 2026-08-25 02:11 639232203197189095
32 ms 192.230.121.4
5 2026-08-25 01:54 639232192844564298
2 ms 192.230.121.4
4 2026-08-25 01:36 639232182496008942
12 ms 192.230.121.4
3 2026-08-25 01:19 639232172197053132
8 ms 192.230.121.4
2 2026-08-25 00:26 639232140250307418
4 ms 192.230.121.4
1 2026-08-25 00:09 639232129927860324
35 ms 192.230.121.4