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 2026-08-28. For this date, NameServerHistory found 56 DNS check records, 55 successful responses, 1 failed responses, and 436 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
56
Historical checks stored for this nameserver on selected date
Average Latency
436 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-28 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
1
Checks with no response or no returned latency
Failure Rate
2%
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 2026-08-28 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 |
|---|---|---|---|---|---|
| 56 | 2026-08-28 23:52 | 639235574865467349 |
|
164 ms | 207.136.2.98 |
| 55 | 2026-08-28 23:35 | 639235564640220198 |
|
57 ms | 207.136.2.98 |
| 54 | 2026-08-28 23:18 | 639235554328938529 |
|
68 ms | 207.136.2.98 |
| 53 | 2026-08-28 23:00 | 639235543879452837 |
|
266 ms | 207.136.2.98 |
| 52 | 2026-08-28 22:07 | 639235511923394567 |
|
4196 ms | 207.136.2.98 |
| 51 | 2026-08-28 21:50 | 639235501571282412 |
|
146 ms | 207.136.2.98 |
| 50 | 2026-08-28 21:33 | 639235491147763512 |
|
35 ms | 207.136.2.98 |
| 49 | 2026-08-28 21:15 | 639235480607057252 |
|
114 ms | 207.136.2.98 |
| 48 | 2026-08-28 20:22 | 639235448504869535 |
|
- | |
| 47 | 2026-08-28 20:04 | 639235438205961423 |
|
173 ms | 207.136.2.98 |
| 46 | 2026-08-28 19:47 | 639235427771603643 |
|
55 ms | 207.136.2.98 |
| 45 | 2026-08-28 19:29 | 639235417327437217 |
|
4 ms | 207.136.2.98 |
| 44 | 2026-08-28 18:36 | 639235385468729647 |
|
12 ms | 207.136.2.98 |
| 43 | 2026-08-28 18:19 | 639235375227508188 |
|
54 ms | 207.136.2.98 |
| 42 | 2026-08-28 18:02 | 639235364947407812 |
|
2008 ms | 207.136.2.98 |
| 41 | 2026-08-28 17:45 | 639235354434017190 |
|
51 ms | 207.136.2.98 |
| 40 | 2026-08-28 16:52 | 639235322621629103 |
|
251 ms | 207.136.2.98 |
| 39 | 2026-08-28 16:35 | 639235312230592801 |
|
103 ms | 207.136.2.98 |
| 38 | 2026-08-28 16:17 | 639235301738139314 |
|
120 ms | 207.136.2.98 |
| 37 | 2026-08-28 15:59 | 639235291168160936 |
|
80 ms | 207.136.2.98 |
| 36 | 2026-08-28 15:06 | 639235258803654519 |
|
43 ms | 207.136.2.98 |
| 35 | 2026-08-28 14:48 | 639235248596087996 |
|
90 ms | 207.136.2.98 |
| 34 | 2026-08-28 14:31 | 639235238225955920 |
|
149 ms | 207.136.2.98 |
| 33 | 2026-08-28 14:14 | 639235227727862105 |
|
43 ms | 207.136.2.98 |
| 32 | 2026-08-28 13:19 | 639235195230848570 |
|
193 ms | 207.136.2.98 |
| 31 | 2026-08-28 13:02 | 639235184840503274 |
|
61 ms | 207.136.2.98 |
| 30 | 2026-08-28 12:45 | 639235174453894956 |
|
82 ms | 207.136.2.98 |
| 29 | 2026-08-28 12:27 | 639235163898672622 |
|
207 ms | 207.136.2.98 |
| 28 | 2026-08-28 11:34 | 639235132147470568 |
|
309 ms | 207.136.2.98 |
| 27 | 2026-08-28 11:17 | 639235121907744088 |
|
2041 ms | 207.136.2.98 |
| 26 | 2026-08-28 11:00 | 639235111428014262 |
|
2082 ms | 207.136.2.98 |
| 25 | 2026-08-28 10:42 | 639235100921813626 |
|
603 ms | 207.136.2.98 |
| 24 | 2026-08-28 09:48 | 639235068670703481 |
|
74 ms | 207.136.2.98 |
| 23 | 2026-08-28 09:31 | 639235058337459445 |
|
210 ms | 207.136.2.98 |
| 22 | 2026-08-28 09:14 | 639235047825109146 |
|
112 ms | 207.136.2.98 |
| 21 | 2026-08-28 08:56 | 639235037383229033 |
|
7 ms | 207.136.2.98 |
| 20 | 2026-08-28 08:03 | 639235005619242711 |
|
44 ms | 207.136.2.98 |
| 19 | 2026-08-28 07:46 | 639234995310346584 |
|
869 ms | 207.136.2.98 |
| 18 | 2026-08-28 07:29 | 639234984946548933 |
|
38 ms | 207.136.2.98 |
| 17 | 2026-08-28 07:12 | 639234974608077290 |
|
2125 ms | 207.136.2.98 |
| 16 | 2026-08-28 06:18 | 639234942529845595 |
|
191 ms | 207.136.2.98 |
| 15 | 2026-08-28 06:01 | 639234932259126627 |
|
46 ms | 207.136.2.98 |
| 14 | 2026-08-28 05:44 | 639234921916735988 |
|
96 ms | 207.136.2.98 |
| 13 | 2026-08-28 05:27 | 639234911470038027 |
|
2015 ms | 207.136.2.98 |
| 12 | 2026-08-28 04:33 | 639234879588411654 |
|
136 ms | 207.136.2.98 |
| 11 | 2026-08-28 04:16 | 639234869341589104 |
|
53 ms | 207.136.2.98 |
| 10 | 2026-08-28 03:59 | 639234859012216675 |
|
2104 ms | 207.136.2.98 |
| 9 | 2026-08-28 03:42 | 639234848695364934 |
|
474 ms | 207.136.2.98 |
| 8 | 2026-08-28 02:49 | 639234816952458162 |
|
443 ms | 207.136.2.98 |
| 7 | 2026-08-28 02:32 | 639234806773081598 |
|
34 ms | 207.136.2.98 |
| 6 | 2026-08-28 02:15 | 639234796382955255 |
|
52 ms | 207.136.2.98 |
| 5 | 2026-08-28 01:57 | 639234786015782563 |
|
18 ms | 207.136.2.98 |
| 4 | 2026-08-28 01:04 | 639234753811917646 |
|
71 ms | 207.136.2.98 |
| 3 | 2026-08-28 00:47 | 639234743739767811 |
|
572 ms | 207.136.2.98 |
| 2 | 2026-08-28 00:30 | 639234733372362811 |
|
189 ms | 207.136.2.98 |
| 1 | 2026-08-28 00:12 | 639234723048550337 |
|
160 ms | 207.136.2.98 |