DNS response history for dns121.c.register.com

dns121.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 2026-08-25. For this date, NameServerHistory found 63 DNS check records, 63 successful responses, 0 failed responses, and 343 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 dns121.c.register.com.
Records on Selected Date

63

Historical checks stored for this nameserver on selected date

Average Latency

343 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 21:28

All timestamps shown in UTC

Latest Resolved IP on Selected Date

216.21.235.121

Most recently resolved hosting IP on selected date

Successful Responses

63

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 dns121.c.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
63 2026-08-25 21:28 639232900747078453
17 ms 216.21.235.121
62 2026-08-25 21:11 639232890389222534
5 ms 216.21.235.121
61 2026-08-25 20:54 639232880143390843
11 ms 216.21.235.121
60 2026-08-25 20:36 639232869755024069
2055 ms 216.21.235.121
59 2026-08-25 20:19 639232859355940346
2039 ms 216.21.235.121
58 2026-08-25 20:02 639232848992244953
2025 ms 216.21.235.121
57 2026-08-25 19:44 639232838596478500
27 ms 216.21.235.121
56 2026-08-25 19:27 639232828175327683
11 ms 216.21.235.121
55 2026-08-25 19:10 639232817798330473
16 ms 216.21.235.121
54 2026-08-25 18:16 639232785462407552
6 ms 216.21.235.121
53 2026-08-25 17:59 639232775177487032
6 ms 216.21.235.121
52 2026-08-25 17:42 639232764991087115
7 ms 216.21.235.121
51 2026-08-25 17:25 639232754842971478
74 ms 216.21.235.121
50 2026-08-25 17:07 639232744455159107
11 ms 216.21.235.121
49 2026-08-25 16:50 639232734145178231
31 ms 216.21.235.121
48 2026-08-25 16:33 639232723827874402
2052 ms 216.21.235.121
47 2026-08-25 16:16 639232713533011892
8 ms 216.21.235.121
46 2026-08-25 15:58 639232703065318207
34 ms 216.21.235.121
45 2026-08-25 15:41 639232692629559470
14 ms 216.21.235.121
44 2026-08-25 15:24 639232682238836475
34 ms 216.21.235.121
43 2026-08-25 15:06 639232671787004306
15 ms 216.21.235.121
42 2026-08-25 14:12 639232638994329666
22 ms 216.21.235.121
41 2026-08-25 13:54 639232628614783237
56 ms 216.21.235.121
40 2026-08-25 13:37 639232618360728578
12 ms 216.21.235.121
39 2026-08-25 13:20 639232608016476376
2018 ms 216.21.235.121
38 2026-08-25 13:03 639232597643611557
42 ms 216.21.235.121
37 2026-08-25 12:45 639232587225721862
65 ms 216.21.235.121
36 2026-08-25 12:28 639232576780683689
17 ms 216.21.235.121
35 2026-08-25 12:11 639232566381512620
27 ms 216.21.235.121
34 2026-08-25 11:53 639232556111768563
7 ms 216.21.235.121
33 2026-08-25 11:36 639232545839529039
2059 ms 216.21.235.121
32 2026-08-25 11:19 639232535349285207
15 ms 216.21.235.121
31 2026-08-25 11:02 639232524938080723
2021 ms 216.21.235.121
30 2026-08-25 10:08 639232492740373468
21 ms 216.21.235.121
29 2026-08-25 09:50 639232482235303141
19 ms 216.21.235.121
28 2026-08-25 09:33 639232471861770303
6 ms 216.21.235.121
27 2026-08-25 09:16 639232461630217327
36 ms 216.21.235.121
26 2026-08-25 08:59 639232451282965990
13 ms 216.21.235.121
25 2026-08-25 08:41 639232440814614938
2040 ms 216.21.235.121
24 2026-08-25 08:24 639232430410720425
48 ms 216.21.235.121
23 2026-08-25 08:07 639232420003096185
7 ms 216.21.235.121
22 2026-08-25 07:49 639232409467287444
40 ms 216.21.235.121
21 2026-08-25 07:32 639232399077195997
17 ms 216.21.235.121
20 2026-08-25 07:15 639232388731528337
2093 ms 216.21.235.121
19 2026-08-25 06:57 639232378288598612
25 ms 216.21.235.121
18 2026-08-25 06:04 639232346196373643
34 ms 216.21.235.121
17 2026-08-25 05:47 639232336112370741
31 ms 216.21.235.121
16 2026-08-25 05:30 639232326146508970
5 ms 216.21.235.121
15 2026-08-25 05:14 639232316189381720
23 ms 216.21.235.121
14 2026-08-25 04:57 639232306217998913
43 ms 216.21.235.121
13 2026-08-25 04:40 639232296255744174
7 ms 216.21.235.121
12 2026-08-25 04:23 639232286095760789
2017 ms 216.21.235.121
11 2026-08-25 04:07 639232276086186273
5 ms 216.21.235.121
10 2026-08-25 03:50 639232265900986425
6 ms 216.21.235.121
9 2026-08-25 03:33 639232255723518075
18 ms 216.21.235.121
8 2026-08-25 03:16 639232245484452890
5 ms 216.21.235.121
7 2026-08-25 02:59 639232235157175331
34 ms 216.21.235.121
6 2026-08-25 02:05 639232203197189095
6 ms 216.21.235.121
5 2026-08-25 01:48 639232192844564298
8 ms 216.21.235.121
4 2026-08-25 01:31 639232182496008942
81 ms 216.21.235.121
3 2026-08-25 01:14 639232172197053132
4 ms 216.21.235.121
2 2026-08-25 00:20 639232140250307418
56 ms 216.21.235.121
1 2026-08-25 00:03 639232129927860324
14 ms 216.21.235.121