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 2026-08-30. For this date, NameServerHistory found 73 DNS check records, 73 successful responses, 0 failed responses, and 101 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

73

Historical checks stored for this nameserver on selected date

Average Latency

101 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-30 23:58

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

73

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 2026-08-30 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
73 2026-08-30 23:58 639237309944877243
28 ms 216.21.231.191
72 2026-08-30 23:41 639237299786658397
6 ms 216.21.231.191
71 2026-08-30 23:24 639237289498523667
40 ms 216.21.231.191
70 2026-08-30 23:07 639237279386851363
6 ms 216.21.231.191
69 2026-08-30 22:50 639237269255729708
4 ms 216.21.231.191
68 2026-08-30 22:33 639237258831204354
4 ms 216.21.231.191
67 2026-08-30 22:15 639237248443221172
31 ms 216.21.231.191
66 2026-08-30 21:22 639237216494073151
17 ms 216.21.231.191
65 2026-08-30 21:05 639237206388572253
4 ms 216.21.231.191
64 2026-08-30 20:48 639237196292015951
2049 ms 216.21.231.191
63 2026-08-30 20:31 639237186084150891
6 ms 216.21.231.191
62 2026-08-30 20:14 639237175762412232
7 ms 216.21.231.191
61 2026-08-30 19:57 639237165682654803
30 ms 216.21.231.191
60 2026-08-30 19:40 639237155472501164
5 ms 216.21.231.191
59 2026-08-30 19:23 639237145214619953
17 ms 216.21.231.191
58 2026-08-30 19:06 639237134816906963
4 ms 216.21.231.191
57 2026-08-30 18:49 639237124591343541
4 ms 216.21.231.191
56 2026-08-30 18:32 639237114243099765
13 ms 216.21.231.191
55 2026-08-30 18:14 639237103865174052
4 ms 216.21.231.191
54 2026-08-30 17:21 639237072062599712
27 ms 216.21.231.191
53 2026-08-30 17:05 639237062090595638
30 ms 216.21.231.191
52 2026-08-30 16:48 639237052076426119
5 ms 216.21.231.191
51 2026-08-30 16:31 639237042059539260
27 ms 216.21.231.191
50 2026-08-30 16:14 639237031962634816
47 ms 216.21.231.191
49 2026-08-30 15:57 639237021754634200
4 ms 216.21.231.191
48 2026-08-30 15:40 639237011506593617
7 ms 216.21.231.191
47 2026-08-30 15:23 639237001261956475
29 ms 216.21.231.191
46 2026-08-30 15:06 639236991144138400
6 ms 216.21.231.191
45 2026-08-30 14:50 639236981087883451
7 ms 216.21.231.191
44 2026-08-30 14:33 639236970808543176
2169 ms 216.21.231.191
43 2026-08-30 14:15 639236960498194193
12 ms 216.21.231.191
42 2026-08-30 13:22 639236928433577921
18 ms 216.21.231.191
41 2026-08-30 13:05 639236918429703736
14 ms 216.21.231.191
40 2026-08-30 12:48 639236908230327486
5 ms 216.21.231.191
39 2026-08-30 12:31 639236898168597833
13 ms 216.21.231.191
38 2026-08-30 12:15 639236888142648178
13 ms 216.21.231.191
37 2026-08-30 11:58 639236878057367680
5 ms 216.21.231.191
36 2026-08-30 11:41 639236867916029489
10 ms 216.21.231.191
35 2026-08-30 11:25 639236858088772005
88 ms 216.21.231.191
34 2026-08-30 11:08 639236848158742395
12 ms 216.21.231.191
33 2026-08-30 10:51 639236838137395574
5 ms 216.21.231.191
32 2026-08-30 10:34 639236827967386881
6 ms 216.21.231.191
31 2026-08-30 10:17 639236817708615077
3 ms 216.21.231.191
30 2026-08-30 09:24 639236785770651804
26 ms 216.21.231.191
29 2026-08-30 09:08 639236775820686373
12 ms 216.21.231.191
28 2026-08-30 08:51 639236765768339082
13 ms 216.21.231.191
27 2026-08-30 08:34 639236755602384085
5 ms 216.21.231.191
26 2026-08-30 08:17 639236745600094925
14 ms 216.21.231.191
25 2026-08-30 08:00 639236735311262753
20 ms 216.21.231.191
24 2026-08-30 07:43 639236724996745235
2013 ms 216.21.231.191
23 2026-08-30 07:26 639236714839899761
53 ms 216.21.231.191
22 2026-08-30 07:09 639236704748431488
5 ms 216.21.231.191
21 2026-08-30 06:52 639236694430128550
5 ms 216.21.231.191
20 2026-08-30 06:35 639236684143292417
7 ms 216.21.231.191
19 2026-08-30 06:18 639236673972499943
48 ms 216.21.231.191
18 2026-08-30 05:25 639236642126522802
4 ms 216.21.231.191
17 2026-08-30 05:08 639236632183518198
17 ms 216.21.231.191
16 2026-08-30 04:52 639236622289312589
9 ms 216.21.231.191
15 2026-08-30 04:35 639236612490676525
11 ms 216.21.231.191
14 2026-08-30 04:19 639236602582494852
32 ms 216.21.231.191
13 2026-08-30 04:02 639236592511706469
52 ms 216.21.231.191
12 2026-08-30 03:45 639236582441006869
5 ms 216.21.231.191
11 2026-08-30 03:29 639236572478785089
24 ms 216.21.231.191
10 2026-08-30 03:12 639236562556749999
4 ms 216.21.231.191
9 2026-08-30 02:55 639236552353482281
34 ms 216.21.231.191
8 2026-08-30 02:38 639236542188881607
3 ms 216.21.231.191
7 2026-08-30 02:21 639236531885440105
5 ms 216.21.231.191
6 2026-08-30 01:28 639236499922985383
18 ms 216.21.231.191
5 2026-08-30 01:11 639236489713594431
4 ms 216.21.231.191
4 2026-08-30 00:54 639236479750443901
10 ms 216.21.231.191
3 2026-08-30 00:37 639236469719936375
15 ms 216.21.231.191
2 2026-08-30 00:20 639236459579244885
29 ms 216.21.231.191
1 2026-08-30 00:04 639236449582837549
16 ms 216.21.231.191