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 2026-09-01. For this date, NameServerHistory found 69 DNS check records, 69 successful responses, 0 failed responses, and 420 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

69

Historical checks stored for this nameserver on selected date

Average Latency

420 ms

Calculated from available response records

Latest Check on Selected Date

2026-09-01 23:49

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

69

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 2026-09-01 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
69 2026-09-01 23:49 639239029138529569
105 ms 207.136.2.98
68 2026-09-01 23:31 639239017996328961
422 ms 207.136.2.98
67 2026-09-01 22:36 639238985009100992
6 ms 207.136.2.98
66 2026-09-01 22:19 639238974816290257
3 ms 207.136.2.98
65 2026-09-01 22:02 639238964604830202
50 ms 207.136.2.98
64 2026-09-01 21:45 639238954179563960
274 ms 207.136.2.98
63 2026-09-01 21:27 639238943856167345
2015 ms 207.136.2.98
62 2026-09-01 21:10 639238933559300736
180 ms 207.136.2.98
61 2026-09-01 20:53 639238923138617523
28 ms 207.136.2.98
60 2026-09-01 20:36 639238912728612828
2009 ms 207.136.2.98
59 2026-09-01 20:18 639238902471372448
54 ms 207.136.2.98
58 2026-09-01 20:01 639238891973506777
20 ms 207.136.2.98
57 2026-09-01 19:43 639238881492850241
200 ms 207.136.2.98
56 2026-09-01 19:26 639238870910401629
60 ms 207.136.2.98
55 2026-09-01 18:31 639238838247850349
3 ms 207.136.2.98
54 2026-09-01 18:14 639238827885681353
5 ms 207.136.2.98
53 2026-09-01 17:57 639238817639438348
19 ms 207.136.2.98
52 2026-09-01 17:40 639238807293617192
2196 ms 207.136.2.98
51 2026-09-01 17:22 639238796825574164
124 ms 207.136.2.98
50 2026-09-01 17:05 639238786534802963
50 ms 207.136.2.98
49 2026-09-01 16:48 639238776025076085
2009 ms 207.136.2.98
48 2026-09-01 16:30 639238765754785418
12 ms 207.136.2.98
47 2026-09-01 16:13 639238755323991033
36 ms 207.136.2.98
46 2026-09-01 15:56 639238744754881753
230 ms 207.136.2.98
45 2026-09-01 15:38 639238734176021898
118 ms 207.136.2.98
44 2026-09-01 15:20 639238723349432115
118 ms 207.136.2.98
43 2026-09-01 14:26 639238690993873259
63 ms 207.136.2.98
42 2026-09-01 14:08 639238680658140472
150 ms 207.136.2.98
41 2026-09-01 13:51 639238670295233158
2180 ms 207.136.2.98
40 2026-09-01 13:34 639238659704397018
248 ms 207.136.2.98
39 2026-09-01 13:16 639238649308394463
25 ms 207.136.2.98
38 2026-09-01 12:59 639238638904588883
23 ms 207.136.2.98
37 2026-09-01 12:41 639238628486902752
5 ms 207.136.2.98
36 2026-09-01 12:24 639238617906743100
2290 ms 207.136.2.98
35 2026-09-01 12:07 639238607506044626
10 ms 207.136.2.98
34 2026-09-01 11:49 639238597040761406
45 ms 207.136.2.98
33 2026-09-01 11:31 639238586261546969
157 ms 207.136.2.98
32 2026-09-01 11:13 639238575587642333
158 ms 207.136.2.98
31 2026-09-01 10:19 639238543127398267
126 ms 207.136.2.98
30 2026-09-01 10:02 639238532668234016
36 ms 207.136.2.98
29 2026-09-01 09:44 639238522029321761
72 ms 207.136.2.98
28 2026-09-01 09:26 639238511519050351
92 ms 207.136.2.98
27 2026-09-01 09:09 639238500942239673
46 ms 207.136.2.98
26 2026-09-01 08:51 639238490412377398
138 ms 207.136.2.98
25 2026-09-01 08:34 639238479833203021
49 ms 207.136.2.98
24 2026-09-01 08:16 639238469140507479
2007 ms 207.136.2.98
23 2026-09-01 07:58 639238458443560361
898 ms 207.136.2.98
22 2026-09-01 07:40 639238447694851502
2124 ms 207.136.2.98
21 2026-09-01 07:22 639238436624109087
531 ms 207.136.2.98
20 2026-09-01 07:03 639238425565611335
102 ms 207.136.2.98
19 2026-09-01 06:08 639238392250222581
2165 ms 207.136.2.98
18 2026-09-01 05:50 639238381322537831
159 ms 207.136.2.98
17 2026-09-01 05:31 639238370248186084
117 ms 207.136.2.98
16 2026-09-01 05:13 639238359264687845
448 ms 207.136.2.98
15 2026-09-01 04:55 639238348534621818
479 ms 207.136.2.98
14 2026-09-01 04:37 639238337725739433
106 ms 207.136.2.98
13 2026-09-01 04:19 639238326844749368
20 ms 207.136.2.98
12 2026-09-01 04:00 639238315792024737
227 ms 207.136.2.98
11 2026-09-01 03:42 639238304931064768
146 ms 207.136.2.98
10 2026-09-01 03:24 639238294131483803
128 ms 207.136.2.98
9 2026-09-01 03:06 639238283314985519
155 ms 207.136.2.98
8 2026-09-01 02:48 639238272374093187
448 ms 207.136.2.98
7 2026-09-01 01:54 639238240032549922
559 ms 207.136.2.98
6 2026-09-01 01:36 639238229204177368
847 ms 207.136.2.98
5 2026-09-01 01:18 639238218326150282
131 ms 207.136.2.98
4 2026-09-01 01:00 639238207574700853
185 ms 207.136.2.98
3 2026-09-01 00:42 639238196660283915
185 ms 207.136.2.98
2 2026-09-01 00:24 639238185782358546
70 ms 207.136.2.98
1 2026-09-01 00:06 639238175054391781
507 ms 207.136.2.98