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 2026-09-12. For this date, NameServerHistory found 55 DNS check records, 55 successful responses, 0 failed responses, and 494 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
55
Historical checks stored for this nameserver on selected date
Average Latency
494 ms
Calculated from available response records
Latest Check on Selected Date
2026-09-12 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
55
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 2026-09-12 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 |
|---|---|---|---|---|---|
| 55 | 2026-09-12 23:52 | 639248534831492016 |
|
254 ms | 207.136.2.98 |
| 54 | 2026-09-12 23:35 | 639248524136180479 |
|
2082 ms | 207.136.2.98 |
| 53 | 2026-09-12 23:17 | 639248513519697393 |
|
2034 ms | 207.136.2.98 |
| 52 | 2026-09-12 22:59 | 639248502781769653 |
|
7 ms | 207.136.2.98 |
| 51 | 2026-09-12 22:05 | 639248470563535257 |
|
2164 ms | 207.136.2.98 |
| 50 | 2026-09-12 21:48 | 639248459777243091 |
|
81 ms | 207.136.2.98 |
| 49 | 2026-09-12 21:29 | 639248448624333290 |
|
63 ms | 207.136.2.98 |
| 48 | 2026-09-12 21:10 | 639248437629618699 |
|
9 ms | 207.136.2.98 |
| 47 | 2026-09-12 20:17 | 639248405505066761 |
|
43 ms | 207.136.2.98 |
| 46 | 2026-09-12 19:59 | 639248394675813808 |
|
2107 ms | 207.136.2.98 |
| 45 | 2026-09-12 19:41 | 639248383741935221 |
|
98 ms | 207.136.2.98 |
| 44 | 2026-09-12 19:23 | 639248372787289274 |
|
91 ms | 207.136.2.98 |
| 43 | 2026-09-12 18:29 | 639248340728719508 |
|
37 ms | 207.136.2.98 |
| 42 | 2026-09-12 18:11 | 639248329887324448 |
|
21 ms | 207.136.2.98 |
| 41 | 2026-09-12 17:53 | 639248319091933572 |
|
6 ms | 207.136.2.98 |
| 40 | 2026-09-12 17:35 | 639248308084724434 |
|
349 ms | 207.136.2.98 |
| 39 | 2026-09-12 16:41 | 639248275684094413 |
|
8 ms | 207.136.2.98 |
| 38 | 2026-09-12 16:23 | 639248264721183573 |
|
8 ms | 207.136.2.98 |
| 37 | 2026-09-12 16:04 | 639248253858641583 |
|
108 ms | 207.136.2.98 |
| 36 | 2026-09-12 15:46 | 639248242844400479 |
|
97 ms | 207.136.2.98 |
| 35 | 2026-09-12 14:53 | 639248210812678631 |
|
255 ms | 207.136.2.98 |
| 34 | 2026-09-12 14:34 | 639248199981056573 |
|
5 ms | 207.136.2.98 |
| 33 | 2026-09-12 14:16 | 639248189127191059 |
|
969 ms | 207.136.2.98 |
| 32 | 2026-09-12 13:58 | 639248178393057989 |
|
248 ms | 207.136.2.98 |
| 31 | 2026-09-12 13:04 | 639248145865989989 |
|
384 ms | 207.136.2.98 |
| 30 | 2026-09-12 12:46 | 639248135070184994 |
|
2096 ms | 207.136.2.98 |
| 29 | 2026-09-12 12:28 | 639248124242482947 |
|
2031 ms | 207.136.2.98 |
| 28 | 2026-09-12 12:10 | 639248113326254050 |
|
76 ms | 207.136.2.98 |
| 27 | 2026-09-12 11:16 | 639248081284720320 |
|
11 ms | 207.136.2.98 |
| 26 | 2026-09-12 10:59 | 639248070610080100 |
|
2037 ms | 207.136.2.98 |
| 25 | 2026-09-12 10:41 | 639248059987606544 |
|
5 ms | 207.136.2.98 |
| 24 | 2026-09-12 10:23 | 639248049012836532 |
|
353 ms | 207.136.2.98 |
| 23 | 2026-09-12 09:30 | 639248017319807699 |
|
88 ms | 207.136.2.98 |
| 22 | 2026-09-12 09:12 | 639248006789682105 |
|
2233 ms | 207.136.2.98 |
| 21 | 2026-09-12 08:55 | 639247996055221415 |
|
5 ms | 207.136.2.98 |
| 20 | 2026-09-12 08:37 | 639247985400968087 |
|
569 ms | 207.136.2.98 |
| 19 | 2026-09-12 07:44 | 639247953523954367 |
|
101 ms | 207.136.2.98 |
| 18 | 2026-09-12 07:26 | 639247943045978703 |
|
95 ms | 207.136.2.98 |
| 17 | 2026-09-12 07:08 | 639247932245768733 |
|
263 ms | 207.136.2.98 |
| 16 | 2026-09-12 06:50 | 639247921467566374 |
|
75 ms | 207.136.2.98 |
| 15 | 2026-09-12 05:57 | 639247889513339838 |
|
6 ms | 207.136.2.98 |
| 14 | 2026-09-12 05:40 | 639247879061592883 |
|
51 ms | 207.136.2.98 |
| 13 | 2026-09-12 05:22 | 639247868463659584 |
|
2015 ms | 207.136.2.98 |
| 12 | 2026-09-12 05:04 | 639247857873575593 |
|
4 ms | 207.136.2.98 |
| 11 | 2026-09-12 04:11 | 639247826230208492 |
|
63 ms | 207.136.2.98 |
| 10 | 2026-09-12 03:54 | 639247816049053942 |
|
2175 ms | 207.136.2.98 |
| 9 | 2026-09-12 03:37 | 639247805631354297 |
|
229 ms | 207.136.2.98 |
| 8 | 2026-09-12 03:20 | 639247795079044620 |
|
5 ms | 207.136.2.98 |
| 7 | 2026-09-12 02:28 | 639247763881495922 |
|
114 ms | 207.136.2.98 |
| 6 | 2026-09-12 02:10 | 639247753623238775 |
|
594 ms | 207.136.2.98 |
| 5 | 2026-09-12 01:53 | 639247743185587272 |
|
171 ms | 207.136.2.98 |
| 4 | 2026-09-12 01:35 | 639247732650806844 |
|
4 ms | 207.136.2.98 |
| 3 | 2026-09-12 00:42 | 639247700722010820 |
|
12 ms | 207.136.2.98 |
| 2 | 2026-09-12 00:25 | 639247690637592462 |
|
22 ms | 207.136.2.98 |
| 1 | 2026-09-12 00:08 | 639247680444994835 |
|
142 ms | 207.136.2.98 |