DNS response history for dns021.c.register.com

dns021.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 2026-08-27. For this date, NameServerHistory found 71 DNS check records, 70 successful responses, 1 failed responses, and 164 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 dns021.c.register.com.
Records on Selected Date

71

Historical checks stored for this nameserver on selected date

Average Latency

164 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-27 23:17

All timestamps shown in UTC

Latest Resolved IP on Selected Date

216.21.235.21

Most recently resolved hosting IP on selected date

Successful Responses

70

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 dns021.c.register.com

Showing DNS history for 2026-08-27 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
71 2026-08-27 23:17 639234690580226618
-
70 2026-08-27 23:00 639234680477852135
8 ms 216.21.235.21
69 2026-08-27 22:43 639234670282270693
2009 ms 216.21.235.21
68 2026-08-27 22:26 639234660146106544
36 ms 216.21.235.21
67 2026-08-27 22:09 639234649768231829
10 ms 216.21.235.21
66 2026-08-27 21:52 639234639589413826
30 ms 216.21.235.21
65 2026-08-27 21:35 639234629372993861
4 ms 216.21.235.21
64 2026-08-27 21:18 639234619223904344
72 ms 216.21.235.21
63 2026-08-27 21:01 639234608944811927
5 ms 216.21.235.21
62 2026-08-27 20:44 639234598661858910
5 ms 216.21.235.21
61 2026-08-27 20:26 639234588314533893
33 ms 216.21.235.21
60 2026-08-27 20:09 639234577878211878
15 ms 216.21.235.21
59 2026-08-27 19:15 639234545578367474
11 ms 216.21.235.21
58 2026-08-27 18:58 639234535255111795
18 ms 216.21.235.21
57 2026-08-27 18:41 639234525107594067
4015 ms 216.21.235.21
56 2026-08-27 18:24 639234514890244566
45 ms 216.21.235.21
55 2026-08-27 18:07 639234504745477862
23 ms 216.21.235.21
54 2026-08-27 17:50 639234494449227290
6 ms 216.21.235.21
53 2026-08-27 17:33 639234484118025686
9 ms 216.21.235.21
52 2026-08-27 17:16 639234473946362077
17 ms 216.21.235.21
51 2026-08-27 16:59 639234463759124388
33 ms 216.21.235.21
50 2026-08-27 16:42 639234453500759178
4 ms 216.21.235.21
49 2026-08-27 16:24 639234442983541638
29 ms 216.21.235.21
48 2026-08-27 16:07 639234432404354562
10 ms 216.21.235.21
47 2026-08-27 15:12 639234399767719119
14 ms 216.21.235.21
46 2026-08-27 14:55 639234389460601485
14 ms 216.21.235.21
45 2026-08-27 14:38 639234379227178707
24 ms 216.21.235.21
44 2026-08-27 14:21 639234369065315214
8 ms 216.21.235.21
43 2026-08-27 14:04 639234358825501576
18 ms 216.21.235.21
42 2026-08-27 13:47 639234348572745268
5 ms 216.21.235.21
41 2026-08-27 13:30 639234338264503481
25 ms 216.21.235.21
40 2026-08-27 13:12 639234327818741376
7 ms 216.21.235.21
39 2026-08-27 12:55 639234317475724313
15 ms 216.21.235.21
38 2026-08-27 12:38 639234307007468133
11 ms 216.21.235.21
37 2026-08-27 12:20 639234296664302575
14 ms 216.21.235.21
36 2026-08-27 12:03 639234286253196126
14 ms 216.21.235.21
35 2026-08-27 11:09 639234253963286387
41 ms 216.21.235.21
34 2026-08-27 10:52 639234243654907465
47 ms 216.21.235.21
33 2026-08-27 10:35 639234233269654413
8 ms 216.21.235.21
32 2026-08-27 10:17 639234222943951923
33 ms 216.21.235.21
31 2026-08-27 10:00 639234212558002823
25 ms 216.21.235.21
30 2026-08-27 09:43 639234202117531850
6 ms 216.21.235.21
29 2026-08-27 09:25 639234191649612722
7 ms 216.21.235.21
28 2026-08-27 09:08 639234181105879568
8 ms 216.21.235.21
27 2026-08-27 08:50 639234170713214496
30 ms 216.21.235.21
26 2026-08-27 08:33 639234160341037652
11 ms 216.21.235.21
25 2026-08-27 08:16 639234149799404224
8 ms 216.21.235.21
24 2026-08-27 07:58 639234139553286469
16 ms 216.21.235.21
23 2026-08-27 07:05 639234107183588293
36 ms 216.21.235.21
22 2026-08-27 06:47 639234096905435724
2026 ms 216.21.235.21
21 2026-08-27 06:30 639234086579410775
79 ms 216.21.235.21
20 2026-08-27 06:13 639234076291157956
53 ms 216.21.235.21
19 2026-08-27 05:56 639234065981939454
6 ms 216.21.235.21
18 2026-08-27 05:39 639234055548642997
6 ms 216.21.235.21
17 2026-08-27 05:21 639234045267979603
7 ms 216.21.235.21
16 2026-08-27 05:04 639234034999717463
19 ms 216.21.235.21
15 2026-08-27 04:47 639234024739225358
54 ms 216.21.235.21
14 2026-08-27 04:30 639234014311170162
46 ms 216.21.235.21
13 2026-08-27 04:12 639234003806017640
22 ms 216.21.235.21
12 2026-08-27 03:55 639233993356203030
10 ms 216.21.235.21
11 2026-08-27 03:02 639233961301716608
12 ms 216.21.235.21
10 2026-08-27 02:44 639233950834200647
5 ms 216.21.235.21
9 2026-08-27 02:27 639233940431849026
28 ms 216.21.235.21
8 2026-08-27 02:10 639233930110596398
20 ms 216.21.235.21
7 2026-08-27 01:52 639233919705434540
67 ms 216.21.235.21
6 2026-08-27 01:35 639233909452807845
10 ms 216.21.235.21
5 2026-08-27 01:18 639233899096420820
22 ms 216.21.235.21
4 2026-08-27 01:01 639233888707824939
5 ms 216.21.235.21
3 2026-08-27 00:43 639233878461203802
2026 ms 216.21.235.21
2 2026-08-27 00:26 639233868060868209
30 ms 216.21.235.21
1 2026-08-27 00:08 639233857450922991
17 ms 216.21.235.21