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 2026-09-02. For this date, NameServerHistory found 70 DNS check records, 70 successful responses, 0 failed responses, and 417 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

417 ms

Calculated from available response records

Latest Check on Selected Date

2026-09-02 23:23

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 2026-09-02 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 2026-09-02 23:23 639239877287476128
13 ms 207.136.2.98
69 2026-09-02 23:06 639239866885675509
136 ms 207.136.2.98
68 2026-09-02 22:48 639239856521204303
162 ms 207.136.2.98
67 2026-09-02 22:31 639239846192315570
460 ms 207.136.2.98
66 2026-09-02 22:14 639239835797537031
42 ms 207.136.2.98
65 2026-09-02 21:57 639239825428235958
131 ms 207.136.2.98
64 2026-09-02 21:39 639239815076686733
289 ms 207.136.2.98
63 2026-09-02 21:22 639239804742407224
272 ms 207.136.2.98
62 2026-09-02 21:05 639239794343962489
57 ms 207.136.2.98
61 2026-09-02 20:48 639239784172766590
790 ms 207.136.2.98
60 2026-09-02 20:30 639239773556866667
700 ms 207.136.2.98
59 2026-09-02 20:12 639239762836755054
74 ms 207.136.2.98
58 2026-09-02 19:18 639239730444132571
85 ms 207.136.2.98
57 2026-09-02 19:01 639239720102131211
4 ms 207.136.2.98
56 2026-09-02 18:44 639239709809203636
129 ms 207.136.2.98
55 2026-09-02 18:27 639239699421123778
566 ms 207.136.2.98
54 2026-09-02 18:09 639239688938384009
223 ms 207.136.2.98
53 2026-09-02 17:52 639239678495714570
2136 ms 207.136.2.98
52 2026-09-02 17:34 639239667943057181
179 ms 207.136.2.98
51 2026-09-02 17:17 639239657471533498
641 ms 207.136.2.98
50 2026-09-02 16:59 639239647075581034
176 ms 207.136.2.98
49 2026-09-02 16:42 639239636620564859
518 ms 207.136.2.98
48 2026-09-02 16:24 639239626041079708
32 ms 207.136.2.98
47 2026-09-02 16:06 639239615342791374
480 ms 207.136.2.98
46 2026-09-02 15:13 639239582984706916
60 ms 207.136.2.98
45 2026-09-02 14:55 639239572806444755
169 ms 207.136.2.98
44 2026-09-02 14:38 639239562346478791
236 ms 207.136.2.98
43 2026-09-02 14:21 639239551840969024
2035 ms 207.136.2.98
42 2026-09-02 14:03 639239541347844335
82 ms 207.136.2.98
41 2026-09-02 13:46 639239530954712237
8 ms 207.136.2.98
40 2026-09-02 13:28 639239520567028472
10 ms 207.136.2.98
39 2026-09-02 13:11 639239510256229200
45 ms 207.136.2.98
38 2026-09-02 12:54 639239499761661507
2165 ms 207.136.2.98
37 2026-09-02 12:36 639239489170827124
330 ms 207.136.2.98
36 2026-09-02 12:18 639239478547830676
119 ms 207.136.2.98
35 2026-09-02 12:00 639239467740957594
579 ms 207.136.2.98
34 2026-09-02 11:06 639239435096207212
111 ms 207.136.2.98
33 2026-09-02 10:49 639239424713827090
2015 ms 207.136.2.98
32 2026-09-02 10:31 639239414343426022
5 ms 207.136.2.98
31 2026-09-02 10:14 639239403967738444
14 ms 207.136.2.98
30 2026-09-02 09:57 639239393495788864
66 ms 207.136.2.98
29 2026-09-02 09:39 639239383072482649
6 ms 207.136.2.98
28 2026-09-02 09:22 639239372580416703
61 ms 207.136.2.98
27 2026-09-02 09:04 639239362117013202
104 ms 207.136.2.98
26 2026-09-02 08:47 639239351525761659
474 ms 207.136.2.98
25 2026-09-02 08:29 639239340946377858
70 ms 207.136.2.98
24 2026-09-02 08:11 639239330136220039
151 ms 207.136.2.98
23 2026-09-02 07:53 639239319239519021
189 ms 207.136.2.98
22 2026-09-02 06:59 639239286715959730
77 ms 207.136.2.98
21 2026-09-02 06:41 639239275944651529
127 ms 207.136.2.98
20 2026-09-02 06:23 639239265416999241
1021 ms 207.136.2.98
19 2026-09-02 06:06 639239254732306525
177 ms 207.136.2.98
18 2026-09-02 05:48 639239244028987020
26 ms 207.136.2.98
17 2026-09-02 05:30 639239233278639582
2016 ms 207.136.2.98
16 2026-09-02 05:12 639239222302588636
2 ms 207.136.2.98
15 2026-09-02 04:54 639239211532813340
11 ms 207.136.2.98
14 2026-09-02 04:36 639239200985117887
26 ms 207.136.2.98
13 2026-09-02 04:18 639239190261736798
201 ms 207.136.2.98
12 2026-09-02 04:00 639239179491011372
16 ms 207.136.2.98
11 2026-09-02 03:42 639239168509505379
2189 ms 207.136.2.98
10 2026-09-02 02:48 639239136007419998
3 ms 207.136.2.98
9 2026-09-02 02:30 639239125508369485
877 ms 207.136.2.98
8 2026-09-02 02:13 639239114957207654
441 ms 207.136.2.98
7 2026-09-02 01:55 639239104427169019
2008 ms 207.136.2.98
6 2026-09-02 01:37 639239093655375374
4 ms 207.136.2.98
5 2026-09-02 01:19 639239082862401365
46 ms 207.136.2.98
4 2026-09-02 01:01 639239071836524769
94 ms 207.136.2.98
3 2026-09-02 00:43 639239061234385490
183 ms 207.136.2.98
2 2026-09-02 00:25 639239050559246883
2032 ms 207.136.2.98
1 2026-09-02 00:08 639239039937525267
184 ms 207.136.2.98