DNS response history for dns191.a.register.com

dns191.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 2026-08-31. For this date, NameServerHistory found 70 DNS check records, 70 successful responses, 0 failed responses, and 331 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 dns191.a.register.com.
Records on Selected Date

70

Historical checks stored for this nameserver on selected date

Average Latency

331 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-31 23:41

All timestamps shown in UTC

Latest Resolved IP on Selected Date

216.21.231.191

Most recently resolved hosting IP on selected date

Successful Responses

70

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 dns191.a.register.com

Showing DNS history for 2026-08-31 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
70 2026-08-31 23:41 639238164117437727
57 ms 216.21.231.191
69 2026-08-31 23:23 639238153343647435
11 ms 216.21.231.191
68 2026-08-31 23:05 639238142520473714
40 ms 216.21.231.191
67 2026-08-31 22:47 639238131745466751
10 ms 216.21.231.191
66 2026-08-31 22:30 639238120990576799
18 ms 216.21.231.191
65 2026-08-31 21:36 639238088948639656
9 ms 216.21.231.191
64 2026-08-31 21:19 639238078451435617
19 ms 216.21.231.191
63 2026-08-31 21:01 639238067818407820
4 ms 216.21.231.191
62 2026-08-31 20:43 639238057337242425
7 ms 216.21.231.191
61 2026-08-31 20:26 639238046718231047
41 ms 216.21.231.191
60 2026-08-31 20:09 639238036493480692
15 ms 216.21.231.191
59 2026-08-31 19:51 639238026138697113
21 ms 216.21.231.191
58 2026-08-31 19:34 639238015790028644
3 ms 216.21.231.191
57 2026-08-31 19:17 639238005382709909
5 ms 216.21.231.191
56 2026-08-31 19:00 639237995139195097
11 ms 216.21.231.191
55 2026-08-31 18:42 639237984659733710
10 ms 216.21.231.191
54 2026-08-31 18:25 639237974142394595
10 ms 216.21.231.191
53 2026-08-31 17:31 639237941910348424
4 ms 216.21.231.191
52 2026-08-31 17:14 639237931681671742
7 ms 216.21.231.191
51 2026-08-31 16:57 639237921365566692
2023 ms 216.21.231.191
50 2026-08-31 16:39 639237910991948788
10 ms 216.21.231.191
49 2026-08-31 16:22 639237900605596198
6 ms 216.21.231.191
48 2026-08-31 16:05 639237890356235470
55 ms 216.21.231.191
47 2026-08-31 15:48 639237879936204342
6 ms 216.21.231.191
46 2026-08-31 15:30 639237869543741197
6 ms 216.21.231.191
45 2026-08-31 15:13 639237859138790045
5 ms 216.21.231.191
44 2026-08-31 14:56 639237848640463709
8 ms 216.21.231.191
43 2026-08-31 14:38 639237838098800325
6 ms 216.21.231.191
42 2026-08-31 14:20 639237827433935375
10 ms 216.21.231.191
41 2026-08-31 13:26 639237794785519897
4 ms 216.21.231.191
40 2026-08-31 13:09 639237784474116679
7 ms 216.21.231.191
39 2026-08-31 12:51 639237773965397189
44 ms 216.21.231.191
38 2026-08-31 12:34 639237763588542721
5 ms 216.21.231.191
37 2026-08-31 12:17 639237753225101103
8 ms 216.21.231.191
36 2026-08-31 11:59 639237742927117371
19 ms 216.21.231.191
35 2026-08-31 11:42 639237732538256235
2013 ms 216.21.231.191
34 2026-08-31 11:25 639237722025682013
7 ms 216.21.231.191
33 2026-08-31 11:07 639237711568720101
26 ms 216.21.231.191
32 2026-08-31 10:50 639237701119461876
4 ms 216.21.231.191
31 2026-08-31 10:32 639237690759595513
38 ms 216.21.231.191
30 2026-08-31 10:15 639237680122296836
4 ms 216.21.231.191
29 2026-08-31 09:21 639237647999458954
2024 ms 216.21.231.191
28 2026-08-31 09:04 639237637680951774
36 ms 216.21.231.191
27 2026-08-31 08:47 639237627437728712
4 ms 216.21.231.191
26 2026-08-31 08:30 639237617127808241
9 ms 216.21.231.191
25 2026-08-31 08:13 639237606990101394
53 ms 216.21.231.191
24 2026-08-31 07:56 639237596595480036
2029 ms 216.21.231.191
23 2026-08-31 07:38 639237586261012001
36 ms 216.21.231.191
22 2026-08-31 07:21 639237576047657695
54 ms 216.21.231.191
21 2026-08-31 07:04 639237565832936443
15 ms 216.21.231.191
20 2026-08-31 06:47 639237555466329546
5 ms 216.21.231.191
19 2026-08-31 06:30 639237545032411072
10 ms 216.21.231.191
18 2026-08-31 06:12 639237534469438634
4 ms 216.21.231.191
17 2026-08-31 05:18 639237502279296801
33 ms 216.21.231.191
16 2026-08-31 05:02 639237492362730124
3 ms 216.21.231.191
15 2026-08-31 04:45 639237482311584319
10 ms 216.21.231.191
14 2026-08-31 04:28 639237472150685594
2016 ms 216.21.231.191
13 2026-08-31 04:11 639237462055295430
3 ms 216.21.231.191
12 2026-08-31 03:55 639237452089913890
35 ms 216.21.231.191
11 2026-08-31 03:38 639237441972654103
8 ms 216.21.231.191
10 2026-08-31 03:21 639237432052396478
3 ms 216.21.231.191
9 2026-08-31 03:05 639237422012990851
5 ms 216.21.231.191
8 2026-08-31 02:48 639237411889602012
4 ms 216.21.231.191
7 2026-08-31 02:31 639237401637354221
4027 ms 216.21.231.191
6 2026-08-31 02:14 639237391412690360
25 ms 216.21.231.191
5 2026-08-31 01:21 639237359972957132
4027 ms 216.21.231.191
4 2026-08-31 01:05 639237350032183979
7 ms 216.21.231.191
3 2026-08-31 00:48 639237340111452066
4028 ms 216.21.231.191
2 2026-08-31 00:31 639237329967272514
5 ms 216.21.231.191
1 2026-08-31 00:14 639237319916508151
7 ms 216.21.231.191