DNS response history for dns191.a.register.com

dns191.a.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 2026-08-25. For this date, NameServerHistory found 69 DNS check records, 69 successful responses, 0 failed responses, and 134 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.a.register.com.
Records on Selected Date

69

Historical checks stored for this nameserver on selected date

Average Latency

134 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 23:50

All timestamps shown in UTC

Latest Resolved IP on Selected Date

216.21.231.191

Most recently resolved hosting IP on selected date

Successful Responses

69

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.a.register.com

Showing DNS history for 2026-08-25 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
69 2026-08-25 23:50 639232985300872416
2036 ms 216.21.231.191
68 2026-08-25 23:33 639232974980190573
4 ms 216.21.231.191
67 2026-08-25 23:16 639232964577050707
5 ms 216.21.231.191
66 2026-08-25 22:21 639232932163142799
4 ms 216.21.231.191
65 2026-08-25 22:04 639232921673215474
4 ms 216.21.231.191
64 2026-08-25 21:47 639232911234504639
15 ms 216.21.231.191
63 2026-08-25 21:29 639232900747078453
40 ms 216.21.231.191
62 2026-08-25 21:12 639232890389222534
18 ms 216.21.231.191
61 2026-08-25 20:55 639232880143390843
52 ms 216.21.231.191
60 2026-08-25 20:37 639232869755024069
25 ms 216.21.231.191
59 2026-08-25 20:20 639232859355940346
30 ms 216.21.231.191
58 2026-08-25 20:03 639232848992244953
47 ms 216.21.231.191
57 2026-08-25 19:46 639232838596478500
2038 ms 216.21.231.191
56 2026-08-25 19:28 639232828175327683
39 ms 216.21.231.191
55 2026-08-25 19:11 639232817798330473
11 ms 216.21.231.191
54 2026-08-25 18:17 639232785462407552
5 ms 216.21.231.191
53 2026-08-25 18:00 639232775177487032
15 ms 216.21.231.191
52 2026-08-25 17:43 639232764991087115
6 ms 216.21.231.191
51 2026-08-25 17:26 639232754842971478
40 ms 216.21.231.191
50 2026-08-25 17:09 639232744455159107
18 ms 216.21.231.191
49 2026-08-25 16:51 639232734145178231
7 ms 216.21.231.191
48 2026-08-25 16:34 639232723827874402
9 ms 216.21.231.191
47 2026-08-25 16:17 639232713533011892
15 ms 216.21.231.191
46 2026-08-25 16:00 639232703065318207
46 ms 216.21.231.191
45 2026-08-25 15:42 639232692629559470
19 ms 216.21.231.191
44 2026-08-25 15:25 639232682238836475
49 ms 216.21.231.191
43 2026-08-25 15:08 639232671787004306
9 ms 216.21.231.191
42 2026-08-25 14:13 639232638994329666
12 ms 216.21.231.191
41 2026-08-25 13:56 639232628614783237
26 ms 216.21.231.191
40 2026-08-25 13:39 639232618360728578
33 ms 216.21.231.191
39 2026-08-25 13:21 639232608016476376
8 ms 216.21.231.191
38 2026-08-25 13:04 639232597643611557
11 ms 216.21.231.191
37 2026-08-25 12:47 639232587225721862
9 ms 216.21.231.191
36 2026-08-25 12:29 639232576780683689
27 ms 216.21.231.191
35 2026-08-25 12:12 639232566381512620
42 ms 216.21.231.191
34 2026-08-25 11:55 639232556111768563
40 ms 216.21.231.191
33 2026-08-25 11:38 639232545839529039
37 ms 216.21.231.191
32 2026-08-25 11:20 639232535349285207
22 ms 216.21.231.191
31 2026-08-25 11:03 639232524938080723
13 ms 216.21.231.191
30 2026-08-25 10:09 639232492740373468
7 ms 216.21.231.191
29 2026-08-25 09:52 639232482235303141
23 ms 216.21.231.191
28 2026-08-25 09:34 639232471861770303
7 ms 216.21.231.191
27 2026-08-25 09:17 639232461630217327
36 ms 216.21.231.191
26 2026-08-25 09:00 639232451282965990
13 ms 216.21.231.191
25 2026-08-25 08:43 639232440814614938
6 ms 216.21.231.191
24 2026-08-25 08:25 639232430410720425
5 ms 216.21.231.191
23 2026-08-25 08:08 639232420003096185
2017 ms 216.21.231.191
22 2026-08-25 07:50 639232409467287444
6 ms 216.21.231.191
21 2026-08-25 07:33 639232399077195997
12 ms 216.21.231.191
20 2026-08-25 07:16 639232388731528337
6 ms 216.21.231.191
19 2026-08-25 06:58 639232378288598612
5 ms 216.21.231.191
18 2026-08-25 06:05 639232346196373643
27 ms 216.21.231.191
17 2026-08-25 05:48 639232336112370741
16 ms 216.21.231.191
16 2026-08-25 05:31 639232326146508970
5 ms 216.21.231.191
15 2026-08-25 05:15 639232316189381720
13 ms 216.21.231.191
14 2026-08-25 04:58 639232306217998913
4 ms 216.21.231.191
13 2026-08-25 04:42 639232296255744174
36 ms 216.21.231.191
12 2026-08-25 04:25 639232286095760789
4 ms 216.21.231.191
11 2026-08-25 04:08 639232276086186273
5 ms 216.21.231.191
10 2026-08-25 03:51 639232265900986425
29 ms 216.21.231.191
9 2026-08-25 03:34 639232255723518075
13 ms 216.21.231.191
8 2026-08-25 03:17 639232245484452890
4 ms 216.21.231.191
7 2026-08-25 03:00 639232235157175331
43 ms 216.21.231.191
6 2026-08-25 02:07 639232203197189095
2014 ms 216.21.231.191
5 2026-08-25 01:49 639232192844564298
4 ms 216.21.231.191
4 2026-08-25 01:32 639232182496008942
4 ms 216.21.231.191
3 2026-08-25 01:15 639232172197053132
4 ms 216.21.231.191
2 2026-08-25 00:22 639232140250307418
5 ms 216.21.231.191
1 2026-08-25 00:04 639232129927860324
6 ms 216.21.231.191