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 2026-09-13. For this date, NameServerHistory found 67 DNS check records, 67 successful responses, 0 failed responses, and 533 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
67
Historical checks stored for this nameserver on selected date
Average Latency
533 ms
Calculated from available response records
Latest Check on Selected Date
2026-09-13 23:50
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
67
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 2026-09-13 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 |
|---|---|---|---|---|---|
| 67 | 2026-09-13 23:50 | 639249397152181753 |
|
2034 ms | 207.136.2.98 |
| 66 | 2026-09-13 23:33 | 639249386937696671 |
|
2010 ms | 207.136.2.98 |
| 65 | 2026-09-13 23:15 | 639249376455569107 |
|
32 ms | 207.136.2.98 |
| 64 | 2026-09-13 22:58 | 639249365735326277 |
|
132 ms | 207.136.2.98 |
| 63 | 2026-09-13 22:40 | 639249355050500799 |
|
50 ms | 207.136.2.98 |
| 62 | 2026-09-13 22:22 | 639249344456978922 |
|
221 ms | 207.136.2.98 |
| 61 | 2026-09-13 22:04 | 639249333933457294 |
|
2260 ms | 207.136.2.98 |
| 60 | 2026-09-13 21:47 | 639249323208928136 |
|
2008 ms | 207.136.2.98 |
| 59 | 2026-09-13 21:29 | 639249312731251036 |
|
4 ms | 207.136.2.98 |
| 58 | 2026-09-13 21:11 | 639249301874981847 |
|
114 ms | 207.136.2.98 |
| 57 | 2026-09-13 20:53 | 639249290884001073 |
|
7 ms | 207.136.2.98 |
| 56 | 2026-09-13 19:58 | 639249258192945967 |
|
60 ms | 207.136.2.98 |
| 55 | 2026-09-13 19:41 | 639249247766691467 |
|
190 ms | 207.136.2.98 |
| 54 | 2026-09-13 19:23 | 639249237128672359 |
|
58 ms | 207.136.2.98 |
| 53 | 2026-09-13 19:06 | 639249226687110991 |
|
85 ms | 207.136.2.98 |
| 52 | 2026-09-13 18:48 | 639249215772757900 |
|
2110 ms | 207.136.2.98 |
| 51 | 2026-09-13 18:30 | 639249205018380656 |
|
153 ms | 207.136.2.98 |
| 50 | 2026-09-13 18:12 | 639249194352151192 |
|
64 ms | 207.136.2.98 |
| 49 | 2026-09-13 17:54 | 639249183564116263 |
|
2031 ms | 207.136.2.98 |
| 48 | 2026-09-13 17:36 | 639249172858653931 |
|
35 ms | 207.136.2.98 |
| 47 | 2026-09-13 17:18 | 639249162260992103 |
|
45 ms | 207.136.2.98 |
| 46 | 2026-09-13 17:00 | 639249151325491103 |
|
108 ms | 207.136.2.98 |
| 45 | 2026-09-13 16:42 | 639249140335203384 |
|
249 ms | 207.136.2.98 |
| 44 | 2026-09-13 15:47 | 639249107859018443 |
|
15 ms | 207.136.2.98 |
| 43 | 2026-09-13 15:30 | 639249097145023173 |
|
62 ms | 207.136.2.98 |
| 42 | 2026-09-13 15:12 | 639249086619717827 |
|
2255 ms | 207.136.2.98 |
| 41 | 2026-09-13 14:55 | 639249076033954085 |
|
2011 ms | 207.136.2.98 |
| 40 | 2026-09-13 14:37 | 639249065349994451 |
|
170 ms | 207.136.2.98 |
| 39 | 2026-09-13 14:19 | 639249054738313438 |
|
90 ms | 207.136.2.98 |
| 38 | 2026-09-13 14:01 | 639249044023026420 |
|
34 ms | 207.136.2.98 |
| 37 | 2026-09-13 13:43 | 639249033322029954 |
|
496 ms | 207.136.2.98 |
| 36 | 2026-09-13 13:26 | 639249022743139815 |
|
59 ms | 207.136.2.98 |
| 35 | 2026-09-13 13:08 | 639249012074338136 |
|
2019 ms | 207.136.2.98 |
| 34 | 2026-09-13 12:50 | 639249001258887514 |
|
871 ms | 207.136.2.98 |
| 33 | 2026-09-13 12:32 | 639248990320248213 |
|
90 ms | 207.136.2.98 |
| 32 | 2026-09-13 11:38 | 639248958321256865 |
|
4 ms | 207.136.2.98 |
| 31 | 2026-09-13 11:21 | 639248947775251808 |
|
4 ms | 207.136.2.98 |
| 30 | 2026-09-13 11:03 | 639248937261219880 |
|
12 ms | 207.136.2.98 |
| 29 | 2026-09-13 10:46 | 639248926643908832 |
|
11 ms | 207.136.2.98 |
| 28 | 2026-09-13 10:28 | 639248916233209308 |
|
55 ms | 207.136.2.98 |
| 27 | 2026-09-13 10:11 | 639248905763517103 |
|
33 ms | 207.136.2.98 |
| 26 | 2026-09-13 09:53 | 639248895297339771 |
|
2043 ms | 207.136.2.98 |
| 25 | 2026-09-13 09:36 | 639248884789262847 |
|
8 ms | 207.136.2.98 |
| 24 | 2026-09-13 09:18 | 639248874150001235 |
|
13 ms | 207.136.2.98 |
| 23 | 2026-09-13 09:00 | 639248863588859578 |
|
54 ms | 207.136.2.98 |
| 22 | 2026-09-13 08:43 | 639248852773051891 |
|
544 ms | 207.136.2.98 |
| 21 | 2026-09-13 08:24 | 639248841941920542 |
|
33 ms | 207.136.2.98 |
| 20 | 2026-09-13 07:31 | 639248809653162036 |
|
86 ms | 207.136.2.98 |
| 19 | 2026-09-13 07:13 | 639248799460722340 |
|
5 ms | 207.136.2.98 |
| 18 | 2026-09-13 06:56 | 639248789059948973 |
|
163 ms | 207.136.2.98 |
| 17 | 2026-09-13 06:39 | 639248778521396399 |
|
2010 ms | 207.136.2.98 |
| 16 | 2026-09-13 06:21 | 639248767934077575 |
|
2032 ms | 207.136.2.98 |
| 15 | 2026-09-13 06:03 | 639248757474842150 |
|
2077 ms | 207.136.2.98 |
| 14 | 2026-09-13 05:46 | 639248746941071476 |
|
455 ms | 207.136.2.98 |
| 13 | 2026-09-13 05:29 | 639248736318347881 |
|
2010 ms | 207.136.2.98 |
| 12 | 2026-09-13 05:11 | 639248725729298530 |
|
30 ms | 207.136.2.98 |
| 11 | 2026-09-13 04:53 | 639248715254139332 |
|
195 ms | 207.136.2.98 |
| 10 | 2026-09-13 04:36 | 639248704627428644 |
|
476 ms | 207.136.2.98 |
| 9 | 2026-09-13 04:18 | 639248693833068041 |
|
48 ms | 207.136.2.98 |
| 8 | 2026-09-13 03:24 | 639248661895881518 |
|
213 ms | 207.136.2.98 |
| 7 | 2026-09-13 03:07 | 639248651428171987 |
|
152 ms | 207.136.2.98 |
| 6 | 2026-09-13 02:49 | 639248640834585260 |
|
149 ms | 207.136.2.98 |
| 5 | 2026-09-13 02:31 | 639248630168969595 |
|
3 ms | 207.136.2.98 |
| 4 | 2026-09-13 01:38 | 639248598219722084 |
|
171 ms | 207.136.2.98 |
| 3 | 2026-09-13 01:21 | 639248587516589990 |
|
72 ms | 207.136.2.98 |
| 2 | 2026-09-13 01:03 | 639248576857251371 |
|
117 ms | 207.136.2.98 |
| 1 | 2026-09-13 00:45 | 639248566188049413 |
|
214 ms | 207.136.2.98 |