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 2026-09-11. For this date, NameServerHistory found 70 DNS check records, 70 successful responses, 0 failed responses, and 477 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

70

Historical checks stored for this nameserver on selected date

Average Latency

477 ms

Calculated from available response records

Latest Check on Selected Date

2026-09-11 23:51

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

70

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 2026-09-11 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
70 2026-09-11 23:51 639247670097567535
298 ms 207.136.2.98
69 2026-09-11 23:34 639247659846438005
134 ms 207.136.2.98
68 2026-09-11 23:17 639247649478270579
6 ms 207.136.2.98
67 2026-09-11 22:59 639247638853954518
206 ms 207.136.2.98
66 2026-09-11 22:42 639247628484953440
119 ms 207.136.2.98
65 2026-09-11 22:24 639247618007476129
2 ms 207.136.2.98
64 2026-09-11 22:07 639247607015294610
34 ms 207.136.2.98
63 2026-09-11 21:48 639247596335921818
112 ms 207.136.2.98
62 2026-09-11 21:30 639247585401679646
100 ms 207.136.2.98
61 2026-09-11 20:37 639247553333021636
143 ms 207.136.2.98
60 2026-09-11 20:19 639247543062642947
61 ms 207.136.2.98
59 2026-09-11 20:02 639247532533789144
191 ms 207.136.2.98
58 2026-09-11 19:44 639247521995821840
6 ms 207.136.2.98
57 2026-09-11 19:27 639247511477473891
2008 ms 207.136.2.98
56 2026-09-11 19:09 639247501150891986
10 ms 207.136.2.98
55 2026-09-11 18:52 639247490697185435
2094 ms 207.136.2.98
54 2026-09-11 18:35 639247480285711326
6 ms 207.136.2.98
53 2026-09-11 18:17 639247469660030203
2032 ms 207.136.2.98
52 2026-09-11 18:00 639247458919479611
13 ms 207.136.2.98
51 2026-09-11 17:41 639247448392700878
241 ms 207.136.2.98
50 2026-09-11 17:24 639247437729289737
624 ms 207.136.2.98
49 2026-09-11 16:30 639247405411782402
54 ms 207.136.2.98
48 2026-09-11 16:13 639247394826908741
11 ms 207.136.2.98
47 2026-09-11 15:55 639247384340942897
109 ms 207.136.2.98
46 2026-09-11 15:37 639247373866263763
194 ms 207.136.2.98
45 2026-09-11 15:20 639247363123889195
82 ms 207.136.2.98
44 2026-09-11 15:02 639247352384630028
8 ms 207.136.2.98
43 2026-09-11 14:44 639247341585466522
17 ms 207.136.2.98
42 2026-09-11 14:26 639247330999990813
165 ms 207.136.2.98
41 2026-09-11 14:09 639247320524906706
257 ms 207.136.2.98
40 2026-09-11 13:51 639247309826204694
490 ms 207.136.2.98
39 2026-09-11 13:33 639247298921142385
173 ms 207.136.2.98
38 2026-09-11 13:14 639247287946609067
2007 ms 207.136.2.98
37 2026-09-11 12:20 639247255605611107
78 ms 207.136.2.98
36 2026-09-11 12:03 639247245158618293
70 ms 207.136.2.98
35 2026-09-11 11:45 639247234596380879
38 ms 207.136.2.98
34 2026-09-11 11:28 639247224076817150
2061 ms 207.136.2.98
33 2026-09-11 11:10 639247213626874558
101 ms 207.136.2.98
32 2026-09-11 10:53 639247202999058102
2264 ms 207.136.2.98
31 2026-09-11 10:35 639247192425931755
14 ms 207.136.2.98
30 2026-09-11 10:17 639247181874331172
169 ms 207.136.2.98
29 2026-09-11 10:00 639247171152806343
39 ms 207.136.2.98
28 2026-09-11 09:42 639247160440552918
2009 ms 207.136.2.98
27 2026-09-11 09:24 639247149697967193
2212 ms 207.136.2.98
26 2026-09-11 09:06 639247138951461271
51 ms 207.136.2.98
25 2026-09-11 08:13 639247107238265597
8 ms 207.136.2.98
24 2026-09-11 07:56 639247096933498018
2067 ms 207.136.2.98
23 2026-09-11 07:39 639247086729382548
195 ms 207.136.2.98
22 2026-09-11 07:22 639247076561859914
7 ms 207.136.2.98
21 2026-09-11 07:05 639247066266111900
45 ms 207.136.2.98
20 2026-09-11 06:48 639247055952731700
50 ms 207.136.2.98
19 2026-09-11 06:30 639247045592210647
2055 ms 207.136.2.98
18 2026-09-11 06:13 639247035334251443
7 ms 207.136.2.98
17 2026-09-11 05:56 639247025057588161
217 ms 207.136.2.98
16 2026-09-11 05:39 639247014932309043
2237 ms 207.136.2.98
15 2026-09-11 05:22 639247004506579653
73 ms 207.136.2.98
14 2026-09-11 05:04 639246994061783047
20 ms 207.136.2.98
13 2026-09-11 04:12 639246962547538635
2 ms 207.136.2.98
12 2026-09-11 03:55 639246952539788074
2085 ms 207.136.2.98
11 2026-09-11 03:38 639246942398324704
69 ms 207.136.2.98
10 2026-09-11 03:21 639246932338854227
4 ms 207.136.2.98
9 2026-09-11 03:05 639246922143789532
9 ms 207.136.2.98
8 2026-09-11 02:48 639246911875883754
184 ms 207.136.2.98
7 2026-09-11 02:31 639246901736222374
34 ms 207.136.2.98
6 2026-09-11 02:14 639246891487617872
23 ms 207.136.2.98
5 2026-09-11 01:57 639246881168554335
2030 ms 207.136.2.98
4 2026-09-11 01:39 639246870904274454
164 ms 207.136.2.98
3 2026-09-11 01:22 639246860525292518
690 ms 207.136.2.98
2 2026-09-11 01:04 639246849999183693
3 ms 207.136.2.98
1 2026-09-11 00:12 639246818332558283
8 ms 207.136.2.98