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 2026-09-10. For this date, NameServerHistory found 71 DNS check records, 71 successful responses, 0 failed responses, and 537 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
71
Historical checks stored for this nameserver on selected date
Average Latency
537 ms
Calculated from available response records
Latest Check on Selected Date
2026-09-10 23:55
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
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 21c.tc
Showing DNS history for 2026-09-10 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 | 2026-09-10 23:55 | 639246808143820222 |
|
91 ms | 207.136.2.98 |
| 70 | 2026-09-10 23:38 | 639246798061138088 |
|
2033 ms | 207.136.2.98 |
| 69 | 2026-09-10 23:21 | 639246787802582497 |
|
14 ms | 207.136.2.98 |
| 68 | 2026-09-10 23:03 | 639246777486130454 |
|
3 ms | 207.136.2.98 |
| 67 | 2026-09-10 22:46 | 639246767121827227 |
|
9 ms | 207.136.2.98 |
| 66 | 2026-09-10 22:29 | 639246756882768850 |
|
6 ms | 207.136.2.98 |
| 65 | 2026-09-10 22:12 | 639246746687572220 |
|
71 ms | 207.136.2.98 |
| 64 | 2026-09-10 21:55 | 639246736447605197 |
|
2008 ms | 207.136.2.98 |
| 63 | 2026-09-10 21:38 | 639246725673058551 |
|
224 ms | 207.136.2.98 |
| 62 | 2026-09-10 21:20 | 639246715103280388 |
|
146 ms | 207.136.2.98 |
| 61 | 2026-09-10 21:02 | 639246704305362846 |
|
77 ms | 207.136.2.98 |
| 60 | 2026-09-10 20:08 | 639246672125908474 |
|
2149 ms | 207.136.2.98 |
| 59 | 2026-09-10 19:51 | 639246661778108329 |
|
94 ms | 207.136.2.98 |
| 58 | 2026-09-10 19:33 | 639246651316438023 |
|
42 ms | 207.136.2.98 |
| 57 | 2026-09-10 19:16 | 639246640682813815 |
|
146 ms | 207.136.2.98 |
| 56 | 2026-09-10 18:58 | 639246630048223147 |
|
17 ms | 207.136.2.98 |
| 55 | 2026-09-10 18:40 | 639246619392051910 |
|
6 ms | 207.136.2.98 |
| 54 | 2026-09-10 18:22 | 639246608624610500 |
|
8 ms | 207.136.2.98 |
| 53 | 2026-09-10 18:04 | 639246597965466961 |
|
7 ms | 207.136.2.98 |
| 52 | 2026-09-10 17:47 | 639246587309537756 |
|
149 ms | 207.136.2.98 |
| 51 | 2026-09-10 17:29 | 639246576548280085 |
|
123 ms | 207.136.2.98 |
| 50 | 2026-09-10 17:11 | 639246565613090743 |
|
177 ms | 207.136.2.98 |
| 49 | 2026-09-10 16:52 | 639246554779040565 |
|
18 ms | 207.136.2.98 |
| 48 | 2026-09-10 15:58 | 639246522095970084 |
|
54 ms | 207.136.2.98 |
| 47 | 2026-09-10 15:40 | 639246511423803637 |
|
144 ms | 207.136.2.98 |
| 46 | 2026-09-10 15:22 | 639246500764125338 |
|
46 ms | 207.136.2.98 |
| 45 | 2026-09-10 15:05 | 639246490254553880 |
|
51 ms | 207.136.2.98 |
| 44 | 2026-09-10 14:47 | 639246479599423265 |
|
2017 ms | 207.136.2.98 |
| 43 | 2026-09-10 14:29 | 639246468878897098 |
|
2159 ms | 207.136.2.98 |
| 42 | 2026-09-10 14:11 | 639246457753047365 |
|
41 ms | 207.136.2.98 |
| 41 | 2026-09-10 13:53 | 639246447019872638 |
|
2032 ms | 207.136.2.98 |
| 40 | 2026-09-10 13:35 | 639246436379613921 |
|
160 ms | 207.136.2.98 |
| 39 | 2026-09-10 13:17 | 639246425648470359 |
|
52 ms | 207.136.2.98 |
| 38 | 2026-09-10 12:59 | 639246414840204368 |
|
12 ms | 207.136.2.98 |
| 37 | 2026-09-10 12:41 | 639246403806188074 |
|
2084 ms | 207.136.2.98 |
| 36 | 2026-09-10 11:47 | 639246371395952337 |
|
193 ms | 207.136.2.98 |
| 35 | 2026-09-10 11:29 | 639246360975099065 |
|
8 ms | 207.136.2.98 |
| 34 | 2026-09-10 11:12 | 639246350386638540 |
|
9 ms | 207.136.2.98 |
| 33 | 2026-09-10 10:54 | 639246339664726040 |
|
186 ms | 207.136.2.98 |
| 32 | 2026-09-10 10:36 | 639246328996875139 |
|
199 ms | 207.136.2.98 |
| 31 | 2026-09-10 10:18 | 639246318372294762 |
|
2034 ms | 207.136.2.98 |
| 30 | 2026-09-10 10:01 | 639246307723183541 |
|
55 ms | 207.136.2.98 |
| 29 | 2026-09-10 09:43 | 639246296994090145 |
|
151 ms | 207.136.2.98 |
| 28 | 2026-09-10 09:25 | 639246285986192236 |
|
2233 ms | 207.136.2.98 |
| 27 | 2026-09-10 09:07 | 639246275448177507 |
|
96 ms | 207.136.2.98 |
| 26 | 2026-09-10 08:49 | 639246264753353026 |
|
146 ms | 207.136.2.98 |
| 25 | 2026-09-10 08:31 | 639246253909009517 |
|
4 ms | 207.136.2.98 |
| 24 | 2026-09-10 07:37 | 639246221631324267 |
|
6 ms | 207.136.2.98 |
| 23 | 2026-09-10 07:20 | 639246211415811416 |
|
4039 ms | 207.136.2.98 |
| 22 | 2026-09-10 07:03 | 639246201106590997 |
|
295 ms | 207.136.2.98 |
| 21 | 2026-09-10 06:46 | 639246190811441568 |
|
2013 ms | 207.136.2.98 |
| 20 | 2026-09-10 06:29 | 639246180534487363 |
|
21 ms | 207.136.2.98 |
| 19 | 2026-09-10 06:12 | 639246170321533166 |
|
2254 ms | 207.136.2.98 |
| 18 | 2026-09-10 05:54 | 639246159987807690 |
|
11 ms | 207.136.2.98 |
| 17 | 2026-09-10 05:37 | 639246149725437669 |
|
293 ms | 207.136.2.98 |
| 16 | 2026-09-10 05:20 | 639246139748686756 |
|
56 ms | 207.136.2.98 |
| 15 | 2026-09-10 05:03 | 639246129346491548 |
|
2164 ms | 207.136.2.98 |
| 14 | 2026-09-10 04:46 | 639246118665572699 |
|
46 ms | 207.136.2.98 |
| 13 | 2026-09-10 04:28 | 639246108066297704 |
|
22 ms | 207.136.2.98 |
| 12 | 2026-09-10 03:35 | 639246076462149381 |
|
2008 ms | 207.136.2.98 |
| 11 | 2026-09-10 03:18 | 639246066469482025 |
|
2009 ms | 207.136.2.98 |
| 10 | 2026-09-10 03:01 | 639246056342600153 |
|
175 ms | 207.136.2.98 |
| 9 | 2026-09-10 02:44 | 639246046163858506 |
|
153 ms | 207.136.2.98 |
| 8 | 2026-09-10 02:27 | 639246035919400998 |
|
10 ms | 207.136.2.98 |
| 7 | 2026-09-10 02:10 | 639246025524251276 |
|
15 ms | 207.136.2.98 |
| 6 | 2026-09-10 01:53 | 639246015270904025 |
|
123 ms | 207.136.2.98 |
| 5 | 2026-09-10 01:36 | 639246004935503419 |
|
68 ms | 207.136.2.98 |
| 4 | 2026-09-10 01:19 | 639245994506812465 |
|
175 ms | 207.136.2.98 |
| 3 | 2026-09-10 01:01 | 639245984122751323 |
|
138 ms | 207.136.2.98 |
| 2 | 2026-09-10 00:44 | 639245973604186482 |
|
160 ms | 207.136.2.98 |
| 1 | 2026-09-10 00:26 | 639245962975679706 |
|
96 ms | 207.136.2.98 |