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 2026-09-15. For this date, NameServerHistory found 67 DNS check records, 67 successful responses, 0 failed responses, and 280 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
280 ms
Calculated from available response records
Latest Check on Selected Date
2026-09-15 23:42
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 2026-09-15 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 | 2026-09-15 23:42 | 639251120659982862 |
|
470 ms | 207.136.2.98 |
| 66 | 2026-09-15 23:24 | 639251109600906525 |
|
5 ms | 207.136.2.98 |
| 65 | 2026-09-15 22:30 | 639251077330336870 |
|
2008 ms | 207.136.2.98 |
| 64 | 2026-09-15 22:12 | 639251066642339547 |
|
45 ms | 207.136.2.98 |
| 63 | 2026-09-15 21:55 | 639251055835720656 |
|
150 ms | 207.136.2.98 |
| 62 | 2026-09-15 21:36 | 639251045081571679 |
|
88 ms | 207.136.2.98 |
| 61 | 2026-09-15 21:18 | 639251034244692094 |
|
51 ms | 207.136.2.98 |
| 60 | 2026-09-15 21:00 | 639251023434638807 |
|
465 ms | 207.136.2.98 |
| 59 | 2026-09-15 20:42 | 639251012453306514 |
|
155 ms | 207.136.2.98 |
| 58 | 2026-09-15 20:24 | 639251001530394937 |
|
53 ms | 207.136.2.98 |
| 57 | 2026-09-15 20:06 | 639250990826574130 |
|
83 ms | 207.136.2.98 |
| 56 | 2026-09-15 19:48 | 639250979922324570 |
|
287 ms | 207.136.2.98 |
| 55 | 2026-09-15 19:29 | 639250968760997325 |
|
2100 ms | 207.136.2.98 |
| 54 | 2026-09-15 19:11 | 639250957710260981 |
|
63 ms | 207.136.2.98 |
| 53 | 2026-09-15 18:16 | 639250924741805981 |
|
171 ms | 207.136.2.98 |
| 52 | 2026-09-15 17:58 | 639250913778546952 |
|
174 ms | 207.136.2.98 |
| 51 | 2026-09-15 17:40 | 639250902895719756 |
|
21 ms | 207.136.2.98 |
| 50 | 2026-09-15 17:21 | 639250891997713272 |
|
57 ms | 207.136.2.98 |
| 49 | 2026-09-15 17:03 | 639250881234469965 |
|
56 ms | 207.136.2.98 |
| 48 | 2026-09-15 16:45 | 639250870068580033 |
|
231 ms | 207.136.2.98 |
| 47 | 2026-09-15 16:27 | 639250859033173846 |
|
26 ms | 207.136.2.98 |
| 46 | 2026-09-15 16:08 | 639250848105639873 |
|
5 ms | 207.136.2.98 |
| 45 | 2026-09-15 15:50 | 639250837119465627 |
|
99 ms | 207.136.2.98 |
| 44 | 2026-09-15 15:31 | 639250826192033331 |
|
196 ms | 207.136.2.98 |
| 43 | 2026-09-15 15:13 | 639250815142227610 |
|
36 ms | 207.136.2.98 |
| 42 | 2026-09-15 14:55 | 639250803988642350 |
|
208 ms | 207.136.2.98 |
| 41 | 2026-09-15 14:00 | 639250771424984311 |
|
8 ms | 207.136.2.98 |
| 40 | 2026-09-15 13:42 | 639250760418563414 |
|
2156 ms | 207.136.2.98 |
| 39 | 2026-09-15 13:24 | 639250749437017948 |
|
14 ms | 207.136.2.98 |
| 38 | 2026-09-15 13:06 | 639250738639972910 |
|
8 ms | 207.136.2.98 |
| 37 | 2026-09-15 12:48 | 639250727884177214 |
|
136 ms | 207.136.2.98 |
| 36 | 2026-09-15 12:30 | 639250717078083131 |
|
125 ms | 207.136.2.98 |
| 35 | 2026-09-15 12:11 | 639250706080117593 |
|
39 ms | 207.136.2.98 |
| 34 | 2026-09-15 11:53 | 639250695211146648 |
|
4 ms | 207.136.2.98 |
| 33 | 2026-09-15 11:35 | 639250684369907316 |
|
74 ms | 207.136.2.98 |
| 32 | 2026-09-15 11:17 | 639250673485741656 |
|
2385 ms | 207.136.2.98 |
| 31 | 2026-09-15 10:59 | 639250662402276662 |
|
8 ms | 207.136.2.98 |
| 30 | 2026-09-15 10:40 | 639250651402601408 |
|
175 ms | 207.136.2.98 |
| 29 | 2026-09-15 09:45 | 639250618111835166 |
|
41 ms | 207.136.2.98 |
| 28 | 2026-09-15 09:27 | 639250607512821394 |
|
65 ms | 207.136.2.98 |
| 27 | 2026-09-15 09:09 | 639250596692164112 |
|
115 ms | 207.136.2.98 |
| 26 | 2026-09-15 08:51 | 639250585928461190 |
|
71 ms | 207.136.2.98 |
| 25 | 2026-09-15 08:33 | 639250574938948670 |
|
78 ms | 207.136.2.98 |
| 24 | 2026-09-15 08:14 | 639250563943163693 |
|
21 ms | 207.136.2.98 |
| 23 | 2026-09-15 07:56 | 639250553105699294 |
|
10 ms | 207.136.2.98 |
| 22 | 2026-09-15 07:38 | 639250542467859081 |
|
282 ms | 207.136.2.98 |
| 21 | 2026-09-15 07:20 | 639250531546571308 |
|
7 ms | 207.136.2.98 |
| 20 | 2026-09-15 07:02 | 639250520709762320 |
|
185 ms | 207.136.2.98 |
| 19 | 2026-09-15 06:44 | 639250509686929792 |
|
74 ms | 207.136.2.98 |
| 18 | 2026-09-15 06:26 | 639250498659187896 |
|
28 ms | 207.136.2.98 |
| 17 | 2026-09-15 05:32 | 639250466301392555 |
|
63 ms | 207.136.2.98 |
| 16 | 2026-09-15 05:14 | 639250455811527534 |
|
73 ms | 207.136.2.98 |
| 15 | 2026-09-15 04:57 | 639250445300588856 |
|
7 ms | 207.136.2.98 |
| 14 | 2026-09-15 04:39 | 639250434837086211 |
|
2 ms | 207.136.2.98 |
| 13 | 2026-09-15 04:22 | 639250424131017723 |
|
252 ms | 207.136.2.98 |
| 12 | 2026-09-15 04:04 | 639250413994247683 |
|
56 ms | 207.136.2.98 |
| 11 | 2026-09-15 03:47 | 639250403257117495 |
|
26 ms | 207.136.2.98 |
| 10 | 2026-09-15 03:29 | 639250392795672632 |
|
2196 ms | 207.136.2.98 |
| 9 | 2026-09-15 03:12 | 639250382145272762 |
|
117 ms | 207.136.2.98 |
| 8 | 2026-09-15 02:54 | 639250371411068391 |
|
2035 ms | 207.136.2.98 |
| 7 | 2026-09-15 02:36 | 639250360786077072 |
|
8 ms | 207.136.2.98 |
| 6 | 2026-09-15 02:18 | 639250349967676329 |
|
160 ms | 207.136.2.98 |
| 5 | 2026-09-15 01:24 | 639250317487607127 |
|
27 ms | 207.136.2.98 |
| 4 | 2026-09-15 01:06 | 639250307111551186 |
|
6 ms | 207.136.2.98 |
| 3 | 2026-09-15 00:49 | 639250296472619972 |
|
129 ms | 207.136.2.98 |
| 2 | 2026-09-15 00:31 | 639250285988965030 |
|
157 ms | 207.136.2.98 |
| 1 | 2026-09-15 00:14 | 639250275526896602 |
|
11 ms | 207.136.2.98 |