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 2026-08-22. For this date, NameServerHistory found 74 DNS check records, 74 successful responses, 0 failed responses, and 319 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

74

Historical checks stored for this nameserver on selected date

Average Latency

319 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-22 23:47

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

74

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 2026-08-22 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
74 2026-08-22 23:47 639230391807229016
29 ms 216.21.232.166
73 2026-08-22 23:31 639230382051619327
3 ms 216.21.232.166
72 2026-08-22 23:15 639230372323353529
12 ms 216.21.232.166
71 2026-08-22 22:59 639230362586451064
19 ms 216.21.232.166
70 2026-08-22 22:42 639230352793666303
15 ms 216.21.232.166
69 2026-08-22 22:26 639230342775737758
12 ms 216.21.232.166
68 2026-08-22 22:09 639230332639939561
2011 ms 216.21.232.166
67 2026-08-22 21:16 639230301014190104
6 ms 216.21.232.166
66 2026-08-22 20:59 639230291048161498
2018 ms 216.21.232.166
65 2026-08-22 20:42 639230280894353664
27 ms 216.21.232.166
64 2026-08-22 20:25 639230270699419073
35 ms 216.21.232.166
63 2026-08-22 20:08 639230260248163050
32 ms 216.21.232.166
62 2026-08-22 19:51 639230250122494282
5 ms 216.21.232.166
61 2026-08-22 19:34 639230239972935046
80 ms 216.21.232.166
60 2026-08-22 19:18 639230229963262464
6 ms 216.21.232.166
59 2026-08-22 19:01 639230220033804658
26 ms 216.21.232.166
58 2026-08-22 18:44 639230209891107289
15 ms 216.21.232.166
57 2026-08-22 18:27 639230199630298717
19 ms 216.21.232.166
56 2026-08-22 18:10 639230189301984150
16 ms 216.21.232.166
55 2026-08-22 17:16 639230157138468804
5 ms 216.21.232.166
54 2026-08-22 16:59 639230146987869495
22 ms 216.21.232.166
53 2026-08-22 16:42 639230136768638516
8 ms 216.21.232.166
52 2026-08-22 16:26 639230126735907877
51 ms 216.21.232.166
51 2026-08-22 16:08 639230116551187768
9 ms 216.21.232.166
50 2026-08-22 15:52 639230106335615913
2014 ms 216.21.232.166
49 2026-08-22 15:34 639230096177758176
48 ms 216.21.232.166
48 2026-08-22 15:18 639230086185999993
44 ms 216.21.232.166
47 2026-08-22 15:01 639230076247854903
30 ms 216.21.232.166
46 2026-08-22 14:44 639230066076077530
46 ms 216.21.232.166
45 2026-08-22 14:27 639230055738197328
8 ms 216.21.232.166
44 2026-08-22 14:10 639230045411225521
19 ms 216.21.232.166
43 2026-08-22 13:16 639230013046000470
4 ms 216.21.232.166
42 2026-08-22 12:59 639230003090037878
25 ms 216.21.232.166
41 2026-08-22 12:43 639229993008259475
2021 ms 216.21.232.166
40 2026-08-22 12:26 639229982909449470
23 ms 216.21.232.166
39 2026-08-22 12:09 639229973035502212
4 ms 216.21.232.166
38 2026-08-22 11:53 639229963064296145
2010 ms 216.21.232.166
37 2026-08-22 11:36 639229952996162143
55 ms 216.21.232.166
36 2026-08-22 11:19 639229943051949195
5 ms 216.21.232.166
35 2026-08-22 11:02 639229932919214934
5 ms 216.21.232.166
34 2026-08-22 10:45 639229922745889838
7 ms 216.21.232.166
33 2026-08-22 10:29 639229912587214796
23 ms 216.21.232.166
32 2026-08-22 10:11 639229902240004454
62 ms 216.21.232.166
31 2026-08-22 09:19 639229870800501662
25 ms 216.21.232.166
30 2026-08-22 09:03 639229861058384956
15 ms 216.21.232.166
29 2026-08-22 08:46 639229851158592604
16 ms 216.21.232.166
28 2026-08-22 08:30 639229841475569629
70 ms 216.21.232.166
27 2026-08-22 08:14 639229831887658471
2007 ms 216.21.232.166
26 2026-08-22 07:58 639229822043670346
8 ms 216.21.232.166
25 2026-08-22 07:41 639229812327913936
31 ms 216.21.232.166
24 2026-08-22 07:25 639229802629488686
32 ms 216.21.232.166
23 2026-08-22 07:09 639229793051447309
18 ms 216.21.232.166
22 2026-08-22 06:53 639229783303531961
51 ms 216.21.232.166
21 2026-08-22 06:37 639229773458051942
24 ms 216.21.232.166
20 2026-08-22 06:20 639229763373848056
44 ms 216.21.232.166
19 2026-08-22 05:28 639229732140622809
12 ms 216.21.232.166
18 2026-08-22 05:12 639229722699695967
6 ms 216.21.232.166
17 2026-08-22 04:56 639229713097498075
3 ms 216.21.232.166
16 2026-08-22 04:40 639229703543969637
6 ms 216.21.232.166
15 2026-08-22 04:24 639229693970392873
5 ms 216.21.232.166
14 2026-08-22 04:08 639229684277329469
31 ms 216.21.232.166
13 2026-08-22 03:52 639229674501596661
2016 ms 216.21.232.166
12 2026-08-22 03:36 639229665064441147
13 ms 216.21.232.166
11 2026-08-22 03:20 639229655507536872
7 ms 216.21.232.166
10 2026-08-22 03:04 639229645849603111
2014 ms 216.21.232.166
9 2026-08-22 02:48 639229636090497453
2025 ms 216.21.232.166
8 2026-08-22 02:31 639229625978544281
12 ms 216.21.232.166
7 2026-08-22 01:39 639229594644662176
71 ms 216.21.232.166
6 2026-08-22 01:23 639229585214633065
11 ms 216.21.232.166
5 2026-08-22 01:07 639229575581042175
5 ms 216.21.232.166
4 2026-08-22 00:51 639229565912268962
31 ms 216.21.232.166
3 2026-08-22 00:35 639229556237813203
9 ms 216.21.232.166
2 2026-08-22 00:19 639229546625802518
4023 ms 216.21.232.166
1 2026-08-22 00:03 639229537172016621
26 ms 216.21.232.166