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 2026-08-26. For this date, NameServerHistory found 70 DNS check records, 70 successful responses, 0 failed responses, and 165 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

70

Historical checks stored for this nameserver on selected date

Average Latency

165 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 23:47

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

70

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 2026-08-26 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
70 2026-08-26 23:47 639233846871926285
5 ms 216.21.232.191
69 2026-08-26 22:53 639233814527872887
12 ms 216.21.232.191
68 2026-08-26 22:36 639233804315489381
57 ms 216.21.232.191
67 2026-08-26 22:19 639233793971346256
17 ms 216.21.232.191
66 2026-08-26 22:02 639233783644630463
26 ms 216.21.232.191
65 2026-08-26 21:45 639233773302621314
11 ms 216.21.232.191
64 2026-08-26 21:27 639233762896723748
48 ms 216.21.232.191
63 2026-08-26 21:10 639233752543876329
24 ms 216.21.232.191
62 2026-08-26 20:53 639233742155931788
23 ms 216.21.232.191
61 2026-08-26 20:35 639233731712555311
6 ms 216.21.232.191
60 2026-08-26 20:18 639233721164051126
2014 ms 216.21.232.191
59 2026-08-26 20:00 639233710560486320
12 ms 216.21.232.191
58 2026-08-26 19:42 639233699834667450
27 ms 216.21.232.191
57 2026-08-26 18:48 639233667209186136
2012 ms 216.21.232.191
56 2026-08-26 18:30 639233656814316266
5 ms 216.21.232.191
55 2026-08-26 18:13 639233646245051806
5 ms 216.21.232.191
54 2026-08-26 17:55 639233635663779051
44 ms 216.21.232.191
53 2026-08-26 17:38 639233624977342122
2035 ms 216.21.232.191
52 2026-08-26 17:20 639233614446136153
7 ms 216.21.232.191
51 2026-08-26 17:02 639233603737877581
6 ms 216.21.232.191
50 2026-08-26 16:45 639233593269224651
40 ms 216.21.232.191
49 2026-08-26 16:27 639233582635086903
59 ms 216.21.232.191
48 2026-08-26 16:09 639233572000374575
15 ms 216.21.232.191
47 2026-08-26 15:51 639233561188633861
23 ms 216.21.232.191
46 2026-08-26 15:33 639233550544357027
55 ms 216.21.232.191
45 2026-08-26 14:39 639233517966053117
18 ms 216.21.232.191
44 2026-08-26 14:22 639233507603253585
2025 ms 216.21.232.191
43 2026-08-26 14:04 639233497229039167
26 ms 216.21.232.191
42 2026-08-26 13:47 639233486864546406
35 ms 216.21.232.191
41 2026-08-26 13:30 639233476455174682
10 ms 216.21.232.191
40 2026-08-26 13:13 639233466171592605
19 ms 216.21.232.191
39 2026-08-26 12:55 639233455747096265
2021 ms 216.21.232.191
38 2026-08-26 12:38 639233445367152284
8 ms 216.21.232.191
37 2026-08-26 12:21 639233434974187439
5 ms 216.21.232.191
36 2026-08-26 12:03 639233424567558554
34 ms 216.21.232.191
35 2026-08-26 11:46 639233414056832719
52 ms 216.21.232.191
34 2026-08-26 11:28 639233403515141099
6 ms 216.21.232.191
33 2026-08-26 10:34 639233370841350248
10 ms 216.21.232.191
32 2026-08-26 10:16 639233360361507238
23 ms 216.21.232.191
31 2026-08-26 09:59 639233350067824371
78 ms 216.21.232.191
30 2026-08-26 09:42 639233339545274518
22 ms 216.21.232.191
29 2026-08-26 09:24 639233329214918079
5 ms 216.21.232.191
28 2026-08-26 09:07 639233318749762337
27 ms 216.21.232.191
27 2026-08-26 08:50 639233308387917838
29 ms 216.21.232.191
26 2026-08-26 08:32 639233297961740122
6 ms 216.21.232.191
25 2026-08-26 08:15 639233287487159094
37 ms 216.21.232.191
24 2026-08-26 07:57 639233276995531707
19 ms 216.21.232.191
23 2026-08-26 07:40 639233266521568229
39 ms 216.21.232.191
22 2026-08-26 07:23 639233256081047431
7 ms 216.21.232.191
21 2026-08-26 06:28 639233223620132921
43 ms 216.21.232.191
20 2026-08-26 06:11 639233213287814244
9 ms 216.21.232.191
19 2026-08-26 05:54 639233202925983161
18 ms 216.21.232.191
18 2026-08-26 05:37 639233192644780696
16 ms 216.21.232.191
17 2026-08-26 05:20 639233182401183833
20 ms 216.21.232.191
16 2026-08-26 05:03 639233172074181051
6 ms 216.21.232.191
15 2026-08-26 04:45 639233161808421455
5 ms 216.21.232.191
14 2026-08-26 04:28 639233151357344052
23 ms 216.21.232.191
13 2026-08-26 04:11 639233141034116946
6 ms 216.21.232.191
12 2026-08-26 03:54 639233130828334142
9 ms 216.21.232.191
11 2026-08-26 03:36 639233120373450007
33 ms 216.21.232.191
10 2026-08-26 03:19 639233110066216193
10 ms 216.21.232.191
9 2026-08-26 02:26 639233078065410564
35 ms 216.21.232.191
8 2026-08-26 02:09 639233067787457832
5 ms 216.21.232.191
7 2026-08-26 01:52 639233057501801162
37 ms 216.21.232.191
6 2026-08-26 01:34 639233047089431703
18 ms 216.21.232.191
5 2026-08-26 01:17 639233036754790688
10 ms 216.21.232.191
4 2026-08-26 01:00 639233026412602472
61 ms 216.21.232.191
3 2026-08-26 00:43 639233016064066127
4 ms 216.21.232.191
2 2026-08-26 00:26 639233005922655772
12 ms 216.21.232.191
1 2026-08-26 00:09 639232995672256907
5 ms 216.21.232.191