History for 21c.tc
Domain: 21c.tc • Tracking since 2026-08-04 23:25 UTC
DNS response history for 21c.tc
21c.tc 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 2026-09-06. For this date, NameServerHistory found 72 DNS check records, 72 successful responses, 0 failed responses, and 478 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 21c.tc.
Records on Selected Date
72
Historical checks stored for this nameserver on selected date
Average Latency
478 ms
Calculated from available response records
Latest Check on Selected Date
2026-09-06 23:52
All timestamps shown in UTC
Latest Resolved IP on Selected Date
207.136.2.98
Most recently resolved hosting IP on selected date
Successful Responses
72
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 21c.tc
Showing DNS history for 2026-09-06 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 |
|---|---|---|---|---|---|
| 72 | 2026-09-06 23:52 | 639243350736075220 |
|
3 ms | 207.136.2.98 |
| 71 | 2026-09-06 23:35 | 639243340711033366 |
|
2061 ms | 207.136.2.98 |
| 70 | 2026-09-06 23:18 | 639243330565518499 |
|
85 ms | 207.136.2.98 |
| 69 | 2026-09-06 23:02 | 639243320518916275 |
|
174 ms | 207.136.2.98 |
| 68 | 2026-09-06 22:45 | 639243310459038753 |
|
8 ms | 207.136.2.98 |
| 67 | 2026-09-06 22:28 | 639243300203292739 |
|
15 ms | 207.136.2.98 |
| 66 | 2026-09-06 22:11 | 639243290015427979 |
|
20 ms | 207.136.2.98 |
| 65 | 2026-09-06 21:54 | 639243279692323022 |
|
11 ms | 207.136.2.98 |
| 64 | 2026-09-06 21:37 | 639243269365677167 |
|
173 ms | 207.136.2.98 |
| 63 | 2026-09-06 21:19 | 639243258997332101 |
|
192 ms | 207.136.2.98 |
| 62 | 2026-09-06 21:02 | 639243248580457785 |
|
138 ms | 207.136.2.98 |
| 61 | 2026-09-06 20:44 | 639243238167226341 |
|
162 ms | 207.136.2.98 |
| 60 | 2026-09-06 19:51 | 639243206000483361 |
|
317 ms | 207.136.2.98 |
| 59 | 2026-09-06 19:34 | 639243195899018874 |
|
2153 ms | 207.136.2.98 |
| 58 | 2026-09-06 19:17 | 639243185766250682 |
|
268 ms | 207.136.2.98 |
| 57 | 2026-09-06 19:00 | 639243175550419103 |
|
21 ms | 207.136.2.98 |
| 56 | 2026-09-06 18:43 | 639243165456496743 |
|
3760 ms | 207.136.2.98 |
| 55 | 2026-09-06 18:26 | 639243155204711345 |
|
37 ms | 207.136.2.98 |
| 54 | 2026-09-06 18:09 | 639243144739997118 |
|
196 ms | 207.136.2.98 |
| 53 | 2026-09-06 17:52 | 639243134499599922 |
|
9 ms | 207.136.2.98 |
| 52 | 2026-09-06 17:35 | 639243124230667999 |
|
461 ms | 207.136.2.98 |
| 51 | 2026-09-06 17:17 | 639243113838843074 |
|
48 ms | 207.136.2.98 |
| 50 | 2026-09-06 17:00 | 639243103308366117 |
|
4 ms | 207.136.2.98 |
| 49 | 2026-09-06 16:42 | 639243092667744669 |
|
7 ms | 207.136.2.98 |
| 48 | 2026-09-06 15:48 | 639243060465916837 |
|
66 ms | 207.136.2.98 |
| 47 | 2026-09-06 15:31 | 639243050318916621 |
|
10 ms | 207.136.2.98 |
| 46 | 2026-09-06 15:15 | 639243040168904220 |
|
2008 ms | 207.136.2.98 |
| 45 | 2026-09-06 14:58 | 639243029949308104 |
|
247 ms | 207.136.2.98 |
| 44 | 2026-09-06 14:40 | 639243019831521739 |
|
5 ms | 207.136.2.98 |
| 43 | 2026-09-06 14:24 | 639243009660416768 |
|
122 ms | 207.136.2.98 |
| 42 | 2026-09-06 14:07 | 639242999369229256 |
|
46 ms | 207.136.2.98 |
| 41 | 2026-09-06 13:49 | 639242989103643568 |
|
117 ms | 207.136.2.98 |
| 40 | 2026-09-06 13:32 | 639242979032892319 |
|
3 ms | 207.136.2.98 |
| 39 | 2026-09-06 13:15 | 639242968766409691 |
|
2033 ms | 207.136.2.98 |
| 38 | 2026-09-06 12:58 | 639242958315895712 |
|
98 ms | 207.136.2.98 |
| 37 | 2026-09-06 12:40 | 639242947227645340 |
|
106 ms | 207.136.2.98 |
| 36 | 2026-09-06 11:47 | 639242915653437610 |
|
7 ms | 207.136.2.98 |
| 35 | 2026-09-06 11:30 | 639242905715985092 |
|
2173 ms | 207.136.2.98 |
| 34 | 2026-09-06 11:13 | 639242895584181404 |
|
56 ms | 207.136.2.98 |
| 33 | 2026-09-06 10:57 | 639242885438799353 |
|
44 ms | 207.136.2.98 |
| 32 | 2026-09-06 10:40 | 639242875087731537 |
|
19 ms | 207.136.2.98 |
| 31 | 2026-09-06 10:22 | 639242864917123293 |
|
224 ms | 207.136.2.98 |
| 30 | 2026-09-06 10:05 | 639242854700531230 |
|
49 ms | 207.136.2.98 |
| 29 | 2026-09-06 09:48 | 639242844421753508 |
|
3 ms | 207.136.2.98 |
| 28 | 2026-09-06 09:31 | 639242834254839662 |
|
2046 ms | 207.136.2.98 |
| 27 | 2026-09-06 09:14 | 639242823853713318 |
|
8 ms | 207.136.2.98 |
| 26 | 2026-09-06 08:57 | 639242813627075192 |
|
4 ms | 207.136.2.98 |
| 25 | 2026-09-06 08:39 | 639242803141773281 |
|
35 ms | 207.136.2.98 |
| 24 | 2026-09-06 07:46 | 639242771356813303 |
|
169 ms | 207.136.2.98 |
| 23 | 2026-09-06 07:30 | 639242761405897971 |
|
425 ms | 207.136.2.98 |
| 22 | 2026-09-06 07:13 | 639242751297514872 |
|
2011 ms | 207.136.2.98 |
| 21 | 2026-09-06 06:56 | 639242741150660589 |
|
123 ms | 207.136.2.98 |
| 20 | 2026-09-06 06:39 | 639242730923285593 |
|
2009 ms | 207.136.2.98 |
| 19 | 2026-09-06 06:22 | 639242720856557729 |
|
2056 ms | 207.136.2.98 |
| 18 | 2026-09-06 06:05 | 639242710695655637 |
|
79 ms | 207.136.2.98 |
| 17 | 2026-09-06 05:49 | 639242700628552463 |
|
68 ms | 207.136.2.98 |
| 16 | 2026-09-06 05:32 | 639242690510861173 |
|
52 ms | 207.136.2.98 |
| 15 | 2026-09-06 05:15 | 639242680282851145 |
|
4 ms | 207.136.2.98 |
| 14 | 2026-09-06 04:58 | 639242670091885471 |
|
2077 ms | 207.136.2.98 |
| 13 | 2026-09-06 04:40 | 639242659665335581 |
|
48 ms | 207.136.2.98 |
| 12 | 2026-09-06 03:47 | 639242627958453405 |
|
48 ms | 207.136.2.98 |
| 11 | 2026-09-06 03:31 | 639242617778586875 |
|
238 ms | 207.136.2.98 |
| 10 | 2026-09-06 03:14 | 639242607669998731 |
|
335 ms | 207.136.2.98 |
| 9 | 2026-09-06 02:57 | 639242597497418147 |
|
272 ms | 207.136.2.98 |
| 8 | 2026-09-06 02:40 | 639242587290135200 |
|
70 ms | 207.136.2.98 |
| 7 | 2026-09-06 02:23 | 639242576995206693 |
|
2166 ms | 207.136.2.98 |
| 6 | 2026-09-06 02:05 | 639242566755970172 |
|
75 ms | 207.136.2.98 |
| 5 | 2026-09-06 01:48 | 639242556486235952 |
|
57 ms | 207.136.2.98 |
| 4 | 2026-09-06 01:31 | 639242546258372760 |
|
2031 ms | 207.136.2.98 |
| 3 | 2026-09-06 01:14 | 639242535806286314 |
|
24 ms | 207.136.2.98 |
| 2 | 2026-09-06 00:56 | 639242525361384841 |
|
31 ms | 207.136.2.98 |
| 1 | 2026-09-06 00:39 | 639242514653528995 |
|
106 ms | 207.136.2.98 |