DNS response history for dns4.cdn20.info

dns4.cdn20.info 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 2026-08-24. For this date, NameServerHistory found 54 DNS check records, 52 successful responses, 2 failed responses, and 54 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 dns4.cdn20.info.
Records on Selected Date

54

Historical checks stored for this nameserver on selected date

Average Latency

54 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-24 22:38

All timestamps shown in UTC

Latest Resolved IP on Selected Date

163.171.166.2

Most recently resolved hosting IP on selected date

Successful Responses

52

Checks that returned a measurable response

Failed Responses

2

Checks with no response or no returned latency

Failure Rate

4%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for dns4.cdn20.info

Showing DNS history for 2026-08-24 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
54 2026-08-24 22:38 639232077430823987
48 ms 163.171.166.2
53 2026-08-24 22:21 639232067340513033
424 ms 163.171.166.2
52 2026-08-24 22:04 639232057157944387
23 ms 163.171.166.2
51 2026-08-24 21:47 639232046895282144
356 ms 163.171.166.2
50 2026-08-24 20:53 639232014356623395
61 ms 163.171.166.2
49 2026-08-24 20:35 639232004177831322
27 ms 163.171.166.2
48 2026-08-24 20:18 639231993997863976
17 ms 163.171.166.2
47 2026-08-24 20:02 639231983967363696
22 ms 163.171.166.2
46 2026-08-24 19:09 639231952257842845
43 ms 163.171.166.2
45 2026-08-24 18:52 639231942277816756
5 ms 163.171.166.2
44 2026-08-24 18:35 639231932094180724
23 ms 163.171.166.2
43 2026-08-24 18:18 639231922041034838
302 ms 163.171.166.2
42 2026-08-24 17:26 639231890488117536
25 ms 163.171.166.2
41 2026-08-24 17:09 639231880574255543
13 ms 163.171.166.2
40 2026-08-24 16:53 639231870418029045
47 ms 163.171.166.2
39 2026-08-24 16:36 639231860258429562
33 ms 163.171.166.2
38 2026-08-24 15:42 639231828211839931
10 ms 163.171.166.2
37 2026-08-24 15:25 639231818080917481
8 ms 163.171.166.2
36 2026-08-24 15:08 639231807961539652
18 ms 163.171.166.2
35 2026-08-24 14:51 639231797631669865
7 ms 163.171.166.2
34 2026-08-24 13:58 639231765923559455
21 ms 163.171.166.2
33 2026-08-24 13:42 639231755868832964
55 ms 163.171.166.2
32 2026-08-24 13:25 639231745628278877
51 ms 163.171.166.2
31 2026-08-24 13:07 639231735407682062
354 ms 163.171.166.2
30 2026-08-24 12:15 639231703815441688
29 ms 163.171.166.2
29 2026-08-24 11:58 639231693747052549
20 ms 163.171.166.2
28 2026-08-24 11:41 639231683712487276
53 ms 163.171.166.2
27 2026-08-24 11:24 639231673513573868
51 ms 163.171.166.2
26 2026-08-24 10:31 639231641791249939
49 ms 163.171.166.2
25 2026-08-24 10:15 639231631866211033
25 ms 163.171.166.2
24 2026-08-24 09:58 639231621644955316
66 ms 163.171.166.2
23 2026-08-24 09:41 639231611478799259
16 ms 163.171.166.2
22 2026-08-24 08:48 639231579923718211
54 ms 163.171.166.2
21 2026-08-24 08:31 639231569810702936
16 ms 163.171.166.2
20 2026-08-24 08:15 639231559762411619
39 ms 163.171.166.2
19 2026-08-24 07:58 639231549663595407
-
18 2026-08-24 07:05 639231518076817246
8 ms 163.171.166.2
17 2026-08-24 06:49 639231508078650885
-
16 2026-08-24 06:32 639231498210697093
12 ms 163.171.166.2
15 2026-08-24 06:15 639231488109699360
60 ms 163.171.166.2
14 2026-08-24 05:23 639231456772510692
7 ms 163.171.166.2
13 2026-08-24 05:07 639231447084631185
49 ms 163.171.166.2
12 2026-08-24 04:51 639231437208519473
33 ms 163.171.166.2
11 2026-08-24 04:34 639231427209627490
11 ms 163.171.166.2
10 2026-08-24 03:41 639231395791246644
23 ms 163.171.166.2
9 2026-08-24 03:25 639231386075551458
15 ms 163.171.166.2
8 2026-08-24 03:09 639231376208713791
10 ms 163.171.166.2
7 2026-08-24 02:52 639231366170589276
17 ms 163.171.166.2
6 2026-08-24 02:00 639231334732159368
23 ms 163.171.166.2
5 2026-08-24 01:44 639231325035670078
16 ms 163.171.166.2
4 2026-08-24 01:27 639231315132253837
11 ms 163.171.166.2
3 2026-08-24 01:10 639231305014280808
52 ms 163.171.166.2
2 2026-08-24 00:18 639231273779380675
50 ms 163.171.166.2
1 2026-08-24 00:02 639231264180839154
20 ms 163.171.166.2