DNS response history for dns231.a.register.com

dns231.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 2026-08-23. For this date, NameServerHistory found 75 DNS check records, 74 successful responses, 1 failed responses, and 181 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 dns231.a.register.com.
Records on Selected Date

75

Historical checks stored for this nameserver on selected date

Average Latency

181 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-23 23:44

All timestamps shown in UTC

Latest Resolved IP on Selected Date

216.21.231.231

Most recently resolved hosting IP on selected date

Successful Responses

74

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

1%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for dns231.a.register.com

Showing DNS history for 2026-08-23 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
75 2026-08-23 23:44 639231254406598736
20 ms 216.21.231.231
74 2026-08-23 23:28 639231244697865594
5 ms 216.21.231.231
73 2026-08-23 23:12 639231234893504693
10 ms 216.21.231.231
72 2026-08-23 22:55 639231225024549139
10 ms 216.21.231.231
71 2026-08-23 22:39 639231214931957622
16 ms 216.21.231.231
70 2026-08-23 22:22 639231204962010549
77 ms 216.21.231.231
69 2026-08-23 22:06 639231195170138463
32 ms 216.21.231.231
68 2026-08-23 21:49 639231185235020577
7 ms 216.21.231.231
67 2026-08-23 21:33 639231175558690075
27 ms 216.21.231.231
66 2026-08-23 21:16 639231165610444012
5 ms 216.21.231.231
65 2026-08-23 20:23 639231133806425363
2079 ms 216.21.231.231
64 2026-08-23 20:07 639231124203758023
20 ms 216.21.231.231
63 2026-08-23 19:51 639231114428262706
4018 ms 216.21.231.231
62 2026-08-23 19:35 639231104662480065
15 ms 216.21.231.231
61 2026-08-23 19:18 639231094840372018
6 ms 216.21.231.231
60 2026-08-23 19:02 639231085024583224
29 ms 216.21.231.231
59 2026-08-23 18:46 639231075257417427
35 ms 216.21.231.231
58 2026-08-23 18:30 639231065516009503
3 ms 216.21.231.231
57 2026-08-23 18:13 639231055805348837
10 ms 216.21.231.231
56 2026-08-23 17:57 639231045980373765
7 ms 216.21.231.231
55 2026-08-23 17:40 639231035984577527
4 ms 216.21.231.231
54 2026-08-23 17:23 639231025928115303
57 ms 216.21.231.231
53 2026-08-23 16:31 639230994250157583
2088 ms 216.21.231.231
52 2026-08-23 16:14 639230984476411369
25 ms 216.21.231.231
51 2026-08-23 15:58 639230974838373450
26 ms 216.21.231.231
50 2026-08-23 15:42 639230965244277645
7 ms 216.21.231.231
49 2026-08-23 15:26 639230955522101820
60 ms 216.21.231.231
48 2026-08-23 15:10 639230945754521603
13 ms 216.21.231.231
47 2026-08-23 14:53 639230935852040504
11 ms 216.21.231.231
46 2026-08-23 14:37 639230926222061048
31 ms 216.21.231.231
45 2026-08-23 14:21 639230916449726907
8 ms 216.21.231.231
44 2026-08-23 14:05 639230906595053086
5 ms 216.21.231.231
43 2026-08-23 13:48 639230896680429441
5 ms 216.21.231.231
42 2026-08-23 13:31 639230886630210965
19 ms 216.21.231.231
41 2026-08-23 12:39 639230855430405719
16 ms 216.21.231.231
40 2026-08-23 12:23 639230845707499136
73 ms 216.21.231.231
39 2026-08-23 12:07 639230836186805419
18 ms 216.21.231.231
38 2026-08-23 11:51 639230826493828316
-
37 2026-08-23 11:35 639230816817882996
7 ms 216.21.231.231
36 2026-08-23 11:19 639230806933854189
29 ms 216.21.231.231
35 2026-08-23 11:02 639230797120243854
11 ms 216.21.231.231
34 2026-08-23 10:46 639230787310272840
32 ms 216.21.231.231
33 2026-08-23 10:30 639230777600173142
4026 ms 216.21.231.231
32 2026-08-23 10:13 639230767665024593
7 ms 216.21.231.231
31 2026-08-23 09:56 639230757720962293
43 ms 216.21.231.231
30 2026-08-23 09:40 639230747722189784
6 ms 216.21.231.231
29 2026-08-23 08:48 639230716313923480
9 ms 216.21.231.231
28 2026-08-23 08:32 639230706813835990
3 ms 216.21.231.231
27 2026-08-23 08:15 639230696871062203
20 ms 216.21.231.231
26 2026-08-23 07:59 639230687142781616
28 ms 216.21.231.231
25 2026-08-23 07:43 639230677432142227
4 ms 216.21.231.231
24 2026-08-23 07:27 639230667686258061
5 ms 216.21.231.231
23 2026-08-23 07:10 639230658039243685
7 ms 216.21.231.231
22 2026-08-23 06:54 639230648468473803
7 ms 216.21.231.231
21 2026-08-23 06:38 639230638829658294
5 ms 216.21.231.231
20 2026-08-23 06:22 639230629247017617
4 ms 216.21.231.231
19 2026-08-23 06:06 639230619625318239
72 ms 216.21.231.231
18 2026-08-23 05:50 639230609697630264
6 ms 216.21.231.231
17 2026-08-23 04:58 639230578570131864
4 ms 216.21.231.231
16 2026-08-23 04:42 639230568958963168
8 ms 216.21.231.231
15 2026-08-23 04:26 639230559287611211
5 ms 216.21.231.231
14 2026-08-23 04:10 639230549524312030
11 ms 216.21.231.231
13 2026-08-23 03:53 639230539739801669
4 ms 216.21.231.231
12 2026-08-23 03:37 639230530084069375
26 ms 216.21.231.231
11 2026-08-23 03:21 639230520362691441
3 ms 216.21.231.231
10 2026-08-23 03:05 639230510677194518
20 ms 216.21.231.231
9 2026-08-23 02:49 639230501156002646
28 ms 216.21.231.231
8 2026-08-23 02:33 639230491502198541
4 ms 216.21.231.231
7 2026-08-23 02:17 639230481860318494
4 ms 216.21.231.231
6 2026-08-23 02:00 639230471893008575
9 ms 216.21.231.231
5 2026-08-23 01:07 639230440030877421
5 ms 216.21.231.231
4 2026-08-23 00:51 639230430479725508
4 ms 216.21.231.231
3 2026-08-23 00:35 639230420875160219
16 ms 216.21.231.231
2 2026-08-23 00:19 639230411240692575
8 ms 216.21.231.231
1 2026-08-23 00:03 639230401550806607
4 ms 216.21.231.231