DNS response history for dns166.c.register.com

dns166.c.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 2026-08-28. For this date, NameServerHistory found 52 DNS check records, 50 successful responses, 2 failed responses, and 18 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.c.register.com.
Records on Selected Date

52

Historical checks stored for this nameserver on selected date

Average Latency

18 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-28 22:01

All timestamps shown in UTC

Latest Resolved IP on Selected Date

216.21.235.166

Most recently resolved hosting IP on selected date

Successful Responses

50

Checks that returned a measurable response

Failed Responses

2

Checks with no response or no returned latency

Failure Rate

4%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for dns166.c.register.com

Showing DNS history for 2026-08-28 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
52 2026-08-28 22:01 639235511923394567
5 ms 216.21.235.166
51 2026-08-28 21:44 639235501571282412
15 ms 216.21.235.166
50 2026-08-28 21:26 639235491147763512
5 ms 216.21.235.166
49 2026-08-28 21:09 639235480607057252
34 ms 216.21.235.166
48 2026-08-28 20:15 639235448504869535
4 ms 216.21.235.166
47 2026-08-28 19:58 639235438205961423
56 ms 216.21.235.166
46 2026-08-28 19:41 639235427771603643
7 ms 216.21.235.166
45 2026-08-28 19:23 639235417327437217
12 ms 216.21.235.166
44 2026-08-28 18:30 639235385468729647
10 ms 216.21.235.166
43 2026-08-28 18:13 639235375227508188
45 ms 216.21.235.166
42 2026-08-28 17:56 639235364947407812
3 ms 216.21.235.166
41 2026-08-28 17:38 639235354434017190
34 ms 216.21.235.166
40 2026-08-28 16:45 639235322621629103
24 ms 216.21.235.166
39 2026-08-28 16:28 639235312230592801
71 ms 216.21.235.166
38 2026-08-28 16:11 639235301738139314
-
37 2026-08-28 15:53 639235291168160936
13 ms 216.21.235.166
36 2026-08-28 14:59 639235258803654519
4 ms 216.21.235.166
35 2026-08-28 14:42 639235248596087996
12 ms 216.21.235.166
34 2026-08-28 14:25 639235238225955920
26 ms 216.21.235.166
33 2026-08-28 14:07 639235227727862105
15 ms 216.21.235.166
32 2026-08-28 13:13 639235195230848570
40 ms 216.21.235.166
31 2026-08-28 12:56 639235184840503274
5 ms 216.21.235.166
30 2026-08-28 12:39 639235174453894956
4 ms 216.21.235.166
29 2026-08-28 12:21 639235163898672622
23 ms 216.21.235.166
28 2026-08-28 11:28 639235132147470568
12 ms 216.21.235.166
27 2026-08-28 11:11 639235121907744088
49 ms 216.21.235.166
26 2026-08-28 10:54 639235111428014262
17 ms 216.21.235.166
25 2026-08-28 10:36 639235100921813626
20 ms 216.21.235.166
24 2026-08-28 09:42 639235068670703481
8 ms 216.21.235.166
23 2026-08-28 09:25 639235058337459445
10 ms 216.21.235.166
22 2026-08-28 09:07 639235047825109146
34 ms 216.21.235.166
21 2026-08-28 08:50 639235037383229033
15 ms 216.21.235.166
20 2026-08-28 07:57 639235005619242711
4 ms 216.21.235.166
19 2026-08-28 07:40 639234995310346584
16 ms 216.21.235.166
18 2026-08-28 07:23 639234984946548933
13 ms 216.21.235.166
17 2026-08-28 07:05 639234974608077290
30 ms 216.21.235.166
16 2026-08-28 06:12 639234942529845595
-
15 2026-08-28 05:55 639234932259126627
27 ms 216.21.235.166
14 2026-08-28 05:38 639234921916735988
4 ms 216.21.235.166
13 2026-08-28 05:20 639234911470038027
26 ms 216.21.235.166
12 2026-08-28 04:27 639234879588411654
7 ms 216.21.235.166
11 2026-08-28 04:10 639234869341589104
6 ms 216.21.235.166
10 2026-08-28 03:53 639234859012216675
3 ms 216.21.235.166
9 2026-08-28 03:36 639234848695364934
4 ms 216.21.235.166
8 2026-08-28 02:43 639234816952458162
9 ms 216.21.235.166
7 2026-08-28 02:26 639234806773081598
33 ms 216.21.235.166
6 2026-08-28 02:08 639234796382955255
8 ms 216.21.235.166
5 2026-08-28 01:51 639234786015782563
24 ms 216.21.235.166
4 2026-08-28 00:57 639234753811917646
3 ms 216.21.235.166
3 2026-08-28 00:41 639234743739767811
23 ms 216.21.235.166
2 2026-08-28 00:23 639234733372362811
7 ms 216.21.235.166
1 2026-08-28 00:06 639234723048550337
17 ms 216.21.235.166