DNS response history for dns166.b.register.com

dns166.b.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, 75 successful responses, 0 failed responses, and 367 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 dns166.b.register.com.
Records on Selected Date

75

Historical checks stored for this nameserver on selected date

Average Latency

367 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-23 23:45

All timestamps shown in UTC

Latest Resolved IP on Selected Date

216.21.232.166

Most recently resolved hosting IP on selected date

Successful Responses

75

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 dns166.b.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 23:45 639231254406598736
5 ms 216.21.232.166
74 2026-08-23 23:29 639231244697865594
27 ms 216.21.232.166
73 2026-08-23 23:12 639231234893504693
7 ms 216.21.232.166
72 2026-08-23 22:56 639231225024549139
20 ms 216.21.232.166
71 2026-08-23 22:39 639231214931957622
10 ms 216.21.232.166
70 2026-08-23 22:23 639231204962010549
32 ms 216.21.232.166
69 2026-08-23 22:06 639231195170138463
16 ms 216.21.232.166
68 2026-08-23 21:50 639231185235020577
2045 ms 216.21.232.166
67 2026-08-23 21:33 639231175558690075
18 ms 216.21.232.166
66 2026-08-23 21:17 639231165610444012
2014 ms 216.21.232.166
65 2026-08-23 20:24 639231133806425363
63 ms 216.21.232.166
64 2026-08-23 20:08 639231124203758023
25 ms 216.21.232.166
63 2026-08-23 19:52 639231114428262706
4 ms 216.21.232.166
62 2026-08-23 19:35 639231104662480065
5 ms 216.21.232.166
61 2026-08-23 19:19 639231094840372018
7 ms 216.21.232.166
60 2026-08-23 19:03 639231085024583224
25 ms 216.21.232.166
59 2026-08-23 18:46 639231075257417427
31 ms 216.21.232.166
58 2026-08-23 18:30 639231065516009503
14 ms 216.21.232.166
57 2026-08-23 18:14 639231055805348837
2012 ms 216.21.232.166
56 2026-08-23 17:58 639231045980373765
12 ms 216.21.232.166
55 2026-08-23 17:41 639231035984577527
36 ms 216.21.232.166
54 2026-08-23 17:24 639231025928115303
18 ms 216.21.232.166
53 2026-08-23 16:31 639230994250157583
6 ms 216.21.232.166
52 2026-08-23 16:15 639230984476411369
31 ms 216.21.232.166
51 2026-08-23 15:59 639230974838373450
2031 ms 216.21.232.166
50 2026-08-23 15:43 639230965244277645
10 ms 216.21.232.166
49 2026-08-23 15:27 639230955522101820
74 ms 216.21.232.166
48 2026-08-23 15:11 639230945754521603
2020 ms 216.21.232.166
47 2026-08-23 14:54 639230935852040504
4 ms 216.21.232.166
46 2026-08-23 14:38 639230926222061048
8 ms 216.21.232.166
45 2026-08-23 14:22 639230916449726907
5 ms 216.21.232.166
44 2026-08-23 14:05 639230906595053086
31 ms 216.21.232.166
43 2026-08-23 13:49 639230896680429441
13 ms 216.21.232.166
42 2026-08-23 13:32 639230886630210965
36 ms 216.21.232.166
41 2026-08-23 12:40 639230855430405719
20 ms 216.21.232.166
40 2026-08-23 12:24 639230845707499136
32 ms 216.21.232.166
39 2026-08-23 12:08 639230836186805419
4021 ms 216.21.232.166
38 2026-08-23 11:52 639230826493828316
2041 ms 216.21.232.166
37 2026-08-23 11:36 639230816817882996
12 ms 216.21.232.166
36 2026-08-23 11:19 639230806933854189
8 ms 216.21.232.166
35 2026-08-23 11:03 639230797120243854
27 ms 216.21.232.166
34 2026-08-23 10:46 639230787310272840
5 ms 216.21.232.166
33 2026-08-23 10:30 639230777600173142
2038 ms 216.21.232.166
32 2026-08-23 10:14 639230767665024593
6 ms 216.21.232.166
31 2026-08-23 09:57 639230757720962293
2020 ms 216.21.232.166
30 2026-08-23 09:41 639230747722189784
33 ms 216.21.232.166
29 2026-08-23 08:48 639230716313923480
36 ms 216.21.232.166
28 2026-08-23 08:32 639230706813835990
4029 ms 216.21.232.166
27 2026-08-23 08:16 639230696871062203
31 ms 216.21.232.166
26 2026-08-23 08:00 639230687142781616
25 ms 216.21.232.166
25 2026-08-23 07:43 639230677432142227
3 ms 216.21.232.166
24 2026-08-23 07:27 639230667686258061
4 ms 216.21.232.166
23 2026-08-23 07:11 639230658039243685
10 ms 216.21.232.166
22 2026-08-23 06:55 639230648468473803
14 ms 216.21.232.166
21 2026-08-23 06:39 639230638829658294
6 ms 216.21.232.166
20 2026-08-23 06:23 639230629247017617
40 ms 216.21.232.166
19 2026-08-23 06:07 639230619625318239
4 ms 216.21.232.166
18 2026-08-23 05:50 639230609697630264
39 ms 216.21.232.166
17 2026-08-23 04:58 639230578570131864
22 ms 216.21.232.166
16 2026-08-23 04:43 639230568958963168
4 ms 216.21.232.166
15 2026-08-23 04:26 639230559287611211
20 ms 216.21.232.166
14 2026-08-23 04:10 639230549524312030
29 ms 216.21.232.166
13 2026-08-23 03:54 639230539739801669
2059 ms 216.21.232.166
12 2026-08-23 03:38 639230530084069375
4 ms 216.21.232.166
11 2026-08-23 03:22 639230520362691441
7 ms 216.21.232.166
10 2026-08-23 03:05 639230510677194518
29 ms 216.21.232.166
9 2026-08-23 02:49 639230501156002646
3 ms 216.21.232.166
8 2026-08-23 02:33 639230491502198541
9 ms 216.21.232.166
7 2026-08-23 02:17 639230481860318494
3 ms 216.21.232.166
6 2026-08-23 02:01 639230471893008575
6 ms 216.21.232.166
5 2026-08-23 01:08 639230440030877421
5 ms 216.21.232.166
4 2026-08-23 00:52 639230430479725508
5 ms 216.21.232.166
3 2026-08-23 00:36 639230420875160219
7 ms 216.21.232.166
2 2026-08-23 00:20 639230411240692575
53 ms 216.21.232.166
1 2026-08-23 00:04 639230401550806607
10 ms 216.21.232.166