DNS response history for dns191.b.register.com

dns191.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 2026-08-27. For this date, NameServerHistory found 71 DNS check records, 71 successful responses, 0 failed responses, and 274 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 dns191.b.register.com.
Records on Selected Date

71

Historical checks stored for this nameserver on selected date

Average Latency

274 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-27 23:13

All timestamps shown in UTC

Latest Resolved IP on Selected Date

216.21.232.191

Most recently resolved hosting IP on selected date

Successful Responses

71

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 dns191.b.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 23:13 639234690580226618
51 ms 216.21.232.191
70 2026-08-27 22:57 639234680477852135
4011 ms 216.21.232.191
69 2026-08-27 22:40 639234670282270693
6 ms 216.21.232.191
68 2026-08-27 22:22 639234660146106544
40 ms 216.21.232.191
67 2026-08-27 22:05 639234649768231829
10 ms 216.21.232.191
66 2026-08-27 21:48 639234639589413826
18 ms 216.21.232.191
65 2026-08-27 21:31 639234629372993861
6 ms 216.21.232.191
64 2026-08-27 21:14 639234619223904344
39 ms 216.21.232.191
63 2026-08-27 20:57 639234608944811927
37 ms 216.21.232.191
62 2026-08-27 20:40 639234598661858910
6 ms 216.21.232.191
61 2026-08-27 20:23 639234588314533893
11 ms 216.21.232.191
60 2026-08-27 20:06 639234577878211878
6 ms 216.21.232.191
59 2026-08-27 19:12 639234545578367474
22 ms 216.21.232.191
58 2026-08-27 18:55 639234535255111795
4 ms 216.21.232.191
57 2026-08-27 18:37 639234525107594067
24 ms 216.21.232.191
56 2026-08-27 18:21 639234514890244566
83 ms 216.21.232.191
55 2026-08-27 18:04 639234504745477862
33 ms 216.21.232.191
54 2026-08-27 17:47 639234494449227290
29 ms 216.21.232.191
53 2026-08-27 17:29 639234484118025686
2013 ms 216.21.232.191
52 2026-08-27 17:12 639234473946362077
10 ms 216.21.232.191
51 2026-08-27 16:55 639234463759124388
4 ms 216.21.232.191
50 2026-08-27 16:38 639234453500759178
6 ms 216.21.232.191
49 2026-08-27 16:21 639234442983541638
38 ms 216.21.232.191
48 2026-08-27 16:03 639234432404354562
14 ms 216.21.232.191
47 2026-08-27 15:09 639234399767719119
35 ms 216.21.232.191
46 2026-08-27 14:51 639234389460601485
6 ms 216.21.232.191
45 2026-08-27 14:34 639234379227178707
6 ms 216.21.232.191
44 2026-08-27 14:17 639234369065315214
4 ms 216.21.232.191
43 2026-08-27 14:00 639234358825501576
2035 ms 216.21.232.191
42 2026-08-27 13:43 639234348572745268
16 ms 216.21.232.191
41 2026-08-27 13:26 639234338264503481
2071 ms 216.21.232.191
40 2026-08-27 13:09 639234327818741376
2050 ms 216.21.232.191
39 2026-08-27 12:52 639234317475724313
113 ms 216.21.232.191
38 2026-08-27 12:34 639234307007468133
7 ms 216.21.232.191
37 2026-08-27 12:17 639234296664302575
6 ms 216.21.232.191
36 2026-08-27 11:59 639234286253196126
27 ms 216.21.232.191
35 2026-08-27 11:06 639234253963286387
6 ms 216.21.232.191
34 2026-08-27 10:48 639234243654907465
16 ms 216.21.232.191
33 2026-08-27 10:31 639234233269654413
2024 ms 216.21.232.191
32 2026-08-27 10:14 639234222943951923
39 ms 216.21.232.191
31 2026-08-27 09:57 639234212558002823
5 ms 216.21.232.191
30 2026-08-27 09:39 639234202117531850
5 ms 216.21.232.191
29 2026-08-27 09:22 639234191649612722
8 ms 216.21.232.191
28 2026-08-27 09:04 639234181105879568
29 ms 216.21.232.191
27 2026-08-27 08:47 639234170713214496
48 ms 216.21.232.191
26 2026-08-27 08:30 639234160341037652
5 ms 216.21.232.191
25 2026-08-27 08:12 639234149799404224
2039 ms 216.21.232.191
24 2026-08-27 07:55 639234139553286469
6 ms 216.21.232.191
23 2026-08-27 07:01 639234107183588293
14 ms 216.21.232.191
22 2026-08-27 06:44 639234096905435724
12 ms 216.21.232.191
21 2026-08-27 06:27 639234086579410775
13 ms 216.21.232.191
20 2026-08-27 06:10 639234076291157956
23 ms 216.21.232.191
19 2026-08-27 05:52 639234065981939454
5 ms 216.21.232.191
18 2026-08-27 05:35 639234055548642997
10 ms 216.21.232.191
17 2026-08-27 05:18 639234045267979603
20 ms 216.21.232.191
16 2026-08-27 05:01 639234034999717463
45 ms 216.21.232.191
15 2026-08-27 04:44 639234024739225358
9 ms 216.21.232.191
14 2026-08-27 04:26 639234014311170162
23 ms 216.21.232.191
13 2026-08-27 04:09 639234003806017640
4 ms 216.21.232.191
12 2026-08-27 03:51 639233993356203030
4 ms 216.21.232.191
11 2026-08-27 02:58 639233961301716608
6 ms 216.21.232.191
10 2026-08-27 02:41 639233950834200647
4 ms 216.21.232.191
9 2026-08-27 02:23 639233940431849026
9 ms 216.21.232.191
8 2026-08-27 02:06 639233930110596398
23 ms 216.21.232.191
7 2026-08-27 01:49 639233919705434540
29 ms 216.21.232.191
6 2026-08-27 01:32 639233909452807845
2012 ms 216.21.232.191
5 2026-08-27 01:14 639233899096420820
5 ms 216.21.232.191
4 2026-08-27 00:57 639233888707824939
25 ms 216.21.232.191
3 2026-08-27 00:40 639233878461203802
5 ms 216.21.232.191
2 2026-08-27 00:22 639233868060868209
32 ms 216.21.232.191
1 2026-08-27 00:05 639233857450922991
6 ms 216.21.232.191