DNS response history for dns091.a.register.com

dns091.a.register.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 62 DNS check records, 61 successful responses, 1 failed responses, and 416 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 dns091.a.register.com.
Records on Selected Date

62

Historical checks stored for this nameserver on selected date

Average Latency

416 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 21:12

All timestamps shown in UTC

Latest Resolved IP on Selected Date

216.21.231.91

Most recently resolved hosting IP on selected date

Successful Responses

61

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

2%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for dns091.a.register.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
62 2026-08-25 21:12 639232890389222534
47 ms 216.21.231.91
61 2026-08-25 20:55 639232880143390843
33 ms 216.21.231.91
60 2026-08-25 20:37 639232869755024069
50 ms 216.21.231.91
59 2026-08-25 20:20 639232859355940346
8 ms 216.21.231.91
58 2026-08-25 20:03 639232848992244953
10 ms 216.21.231.91
57 2026-08-25 19:45 639232838596478500
56 ms 216.21.231.91
56 2026-08-25 19:28 639232828175327683
13 ms 216.21.231.91
55 2026-08-25 19:11 639232817798330473
25 ms 216.21.231.91
54 2026-08-25 18:17 639232785462407552
23 ms 216.21.231.91
53 2026-08-25 18:00 639232775177487032
30 ms 216.21.231.91
52 2026-08-25 17:43 639232764991087115
5 ms 216.21.231.91
51 2026-08-25 17:26 639232754842971478
4 ms 216.21.231.91
50 2026-08-25 17:09 639232744455159107
2043 ms 216.21.231.91
49 2026-08-25 16:51 639232734145178231
22 ms 216.21.231.91
48 2026-08-25 16:34 639232723827874402
48 ms 216.21.231.91
47 2026-08-25 16:17 639232713533011892
28 ms 216.21.231.91
46 2026-08-25 16:00 639232703065318207
37 ms 216.21.231.91
45 2026-08-25 15:42 639232692629559470
2083 ms 216.21.231.91
44 2026-08-25 15:25 639232682238836475
2018 ms 216.21.231.91
43 2026-08-25 15:07 639232671787004306
11 ms 216.21.231.91
42 2026-08-25 14:13 639232638994329666
38 ms 216.21.231.91
41 2026-08-25 13:55 639232628614783237
14 ms 216.21.231.91
40 2026-08-25 13:38 639232618360728578
2049 ms 216.21.231.91
39 2026-08-25 13:21 639232608016476376
16 ms 216.21.231.91
38 2026-08-25 13:04 639232597643611557
11 ms 216.21.231.91
37 2026-08-25 12:46 639232587225721862
11 ms 216.21.231.91
36 2026-08-25 12:29 639232576780683689
7 ms 216.21.231.91
35 2026-08-25 12:12 639232566381512620
29 ms 216.21.231.91
34 2026-08-25 11:55 639232556111768563
2017 ms 216.21.231.91
33 2026-08-25 11:37 639232545839529039
22 ms 216.21.231.91
32 2026-08-25 11:20 639232535349285207
50 ms 216.21.231.91
31 2026-08-25 11:03 639232524938080723
2021 ms 216.21.231.91
30 2026-08-25 10:09 639232492740373468
6 ms 216.21.231.91
29 2026-08-25 09:52 639232482235303141
2014 ms 216.21.231.91
28 2026-08-25 09:34 639232471861770303
65 ms 216.21.231.91
27 2026-08-25 09:17 639232461630217327
-
26 2026-08-25 09:00 639232451282965990
6 ms 216.21.231.91
25 2026-08-25 08:42 639232440814614938
61 ms 216.21.231.91
24 2026-08-25 08:25 639232430410720425
4014 ms 216.21.231.91
23 2026-08-25 08:08 639232420003096185
9 ms 216.21.231.91
22 2026-08-25 07:50 639232409467287444
5 ms 216.21.231.91
21 2026-08-25 07:33 639232399077195997
7 ms 216.21.231.91
20 2026-08-25 07:16 639232388731528337
2042 ms 216.21.231.91
19 2026-08-25 06:58 639232378288598612
38 ms 216.21.231.91
18 2026-08-25 06:05 639232346196373643
10 ms 216.21.231.91
17 2026-08-25 05:48 639232336112370741
29 ms 216.21.231.91
16 2026-08-25 05:31 639232326146508970
7 ms 216.21.231.91
15 2026-08-25 05:15 639232316189381720
4 ms 216.21.231.91
14 2026-08-25 04:58 639232306217998913
7 ms 216.21.231.91
13 2026-08-25 04:42 639232296255744174
3 ms 216.21.231.91
12 2026-08-25 04:25 639232286095760789
19 ms 216.21.231.91
11 2026-08-25 04:08 639232276086186273
4 ms 216.21.231.91
10 2026-08-25 03:51 639232265900986425
5 ms 216.21.231.91
9 2026-08-25 03:34 639232255723518075
4 ms 216.21.231.91
8 2026-08-25 03:17 639232245484452890
5 ms 216.21.231.91
7 2026-08-25 03:00 639232235157175331
7 ms 216.21.231.91
6 2026-08-25 02:06 639232203197189095
39 ms 216.21.231.91
5 2026-08-25 01:49 639232192844564298
8 ms 216.21.231.91
4 2026-08-25 01:32 639232182496008942
2022 ms 216.21.231.91
3 2026-08-25 01:15 639232172197053132
7 ms 216.21.231.91
2 2026-08-25 00:21 639232140250307418
5 ms 216.21.231.91
1 2026-08-25 00:04 639232129927860324
2021 ms 216.21.231.91