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 2026-08-29. For this date, NameServerHistory found 70 DNS check records, 70 successful responses, 0 failed responses, and 188 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

188 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-29 23:47

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 2026-08-29 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 2026-08-29 23:47 639236439461653110
4012 ms 216.21.231.191
69 2026-08-29 23:30 639236429501366737
12 ms 216.21.231.191
68 2026-08-29 23:13 639236419366541896
11 ms 216.21.231.191
67 2026-08-29 22:56 639236409033370421
3 ms 216.21.231.191
66 2026-08-29 22:39 639236398677638980
5 ms 216.21.231.191
65 2026-08-29 22:22 639236388335394435
27 ms 216.21.231.191
64 2026-08-29 21:28 639236356238021142
4 ms 216.21.231.191
63 2026-08-29 21:11 639236346147662482
36 ms 216.21.231.191
62 2026-08-29 20:55 639236336073303987
4 ms 216.21.231.191
61 2026-08-29 20:38 639236325803271480
3 ms 216.21.231.191
60 2026-08-29 20:21 639236315636203732
17 ms 216.21.231.191
59 2026-08-29 20:04 639236305430277951
21 ms 216.21.231.191
58 2026-08-29 19:47 639236295286597133
14 ms 216.21.231.191
57 2026-08-29 19:30 639236285137083691
5 ms 216.21.231.191
56 2026-08-29 19:13 639236274938699727
10 ms 216.21.231.191
55 2026-08-29 18:55 639236264595544117
9 ms 216.21.231.191
54 2026-08-29 18:38 639236254203764064
5 ms 216.21.231.191
53 2026-08-29 18:21 639236243919128798
28 ms 216.21.231.191
52 2026-08-29 17:27 639236211708980066
5 ms 216.21.231.191
51 2026-08-29 17:11 639236201724764228
11 ms 216.21.231.191
50 2026-08-29 16:54 639236191714376906
34 ms 216.21.231.191
49 2026-08-29 16:37 639236181773042179
10 ms 216.21.231.191
48 2026-08-29 16:21 639236171632735061
4056 ms 216.21.231.191
47 2026-08-29 16:03 639236161347015414
5 ms 216.21.231.191
46 2026-08-29 15:47 639236151200362098
4 ms 216.21.231.191
45 2026-08-29 15:30 639236141026805328
6 ms 216.21.231.191
44 2026-08-29 15:13 639236131100930722
6 ms 216.21.231.191
43 2026-08-29 14:56 639236120950030411
6 ms 216.21.231.191
42 2026-08-29 14:39 639236110532007205
7 ms 216.21.231.191
41 2026-08-29 14:21 639236100176958860
21 ms 216.21.231.191
40 2026-08-29 13:29 639236068470247956
47 ms 216.21.231.191
39 2026-08-29 13:12 639236058468679452
5 ms 216.21.231.191
38 2026-08-29 12:55 639236048317337090
20 ms 216.21.231.191
37 2026-08-29 12:38 639236038221169202
45 ms 216.21.231.191
36 2026-08-29 12:21 639236028175589918
16 ms 216.21.231.191
35 2026-08-29 12:04 639236017965421028
12 ms 216.21.231.191
34 2026-08-29 11:48 639236007792625266
6 ms 216.21.231.191
33 2026-08-29 11:31 639235997602806960
7 ms 216.21.231.191
32 2026-08-29 11:14 639235987487833458
24 ms 216.21.231.191
31 2026-08-29 10:57 639235977211002296
6 ms 216.21.231.191
30 2026-08-29 10:39 639235966864596836
5 ms 216.21.231.191
29 2026-08-29 10:22 639235956590882003
4 ms 216.21.231.191
28 2026-08-29 09:29 639235924465736791
23 ms 216.21.231.191
27 2026-08-29 09:12 639235914430611197
62 ms 216.21.231.191
26 2026-08-29 08:55 639235904343784853
4 ms 216.21.231.191
25 2026-08-29 08:38 639235894201078068
2045 ms 216.21.231.191
24 2026-08-29 08:22 639235884233447452
26 ms 216.21.231.191
23 2026-08-29 08:05 639235874142207309
34 ms 216.21.231.191
22 2026-08-29 07:48 639235863974652466
3 ms 216.21.231.191
21 2026-08-29 07:31 639235853716243436
10 ms 216.21.231.191
20 2026-08-29 07:14 639235843614494759
5 ms 216.21.231.191
19 2026-08-29 06:57 639235833401459551
6 ms 216.21.231.191
18 2026-08-29 06:40 639235823220464528
28 ms 216.21.231.191
17 2026-08-29 06:23 639235812997510905
43 ms 216.21.231.191
16 2026-08-29 05:30 639235781101962521
41 ms 216.21.231.191
15 2026-08-29 05:13 639235771207673260
3 ms 216.21.231.191
14 2026-08-29 04:56 639235761047429642
4 ms 216.21.231.191
13 2026-08-29 04:39 639235750964347246
12 ms 216.21.231.191
12 2026-08-29 04:23 639235740923490874
39 ms 216.21.231.191
11 2026-08-29 04:06 639235730842894399
3 ms 216.21.231.191
10 2026-08-29 03:49 639235720760084717
3 ms 216.21.231.191
9 2026-08-29 03:33 639235710843666743
18 ms 216.21.231.191
8 2026-08-29 03:16 639235700733510561
4 ms 216.21.231.191
7 2026-08-29 02:59 639235690509906192
2032 ms 216.21.231.191
6 2026-08-29 02:41 639235680156673501
5 ms 216.21.231.191
5 2026-08-29 02:24 639235669720606443
4 ms 216.21.231.191
4 2026-08-29 01:30 639235637451417084
26 ms 216.21.231.191
3 2026-08-29 01:13 639235627307383453
4 ms 216.21.231.191
2 2026-08-29 00:56 639235616906386856
29 ms 216.21.231.191
1 2026-08-29 00:39 639235606582912691
38 ms 216.21.231.191