DNS response history for ns3.cdn20.org

ns3.cdn20.org 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 2026-08-25. For this date, NameServerHistory found 22 DNS check records, 21 successful responses, 1 failed responses, and 631 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 ns3.cdn20.org.
Records on Selected Date

22

Historical checks stored for this nameserver on selected date

Average Latency

631 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 07:51

All timestamps shown in UTC

Latest Resolved IP on Selected Date

121.18.168.159

Most recently resolved hosting IP on selected date

Successful Responses

21

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

5%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ns3.cdn20.org

Showing DNS history for 2026-08-25 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
22 2026-08-25 07:51 639232409467287444
2015 ms 121.18.168.159
21 2026-08-25 07:34 639232399077195997
44 ms 121.18.168.159
20 2026-08-25 07:17 639232388731528337
27 ms 121.18.168.159
19 2026-08-25 07:00 639232378288598612
60 ms 121.18.168.159
18 2026-08-25 06:06 639232346196373643
39 ms 121.18.168.159
17 2026-08-25 05:49 639232336112370741
48 ms 121.18.168.159
16 2026-08-25 05:32 639232326146508970
391 ms 121.18.168.159
15 2026-08-25 05:16 639232316189381720
27 ms 121.18.168.159
14 2026-08-25 04:59 639232306217998913
22 ms 121.18.168.159
13 2026-08-25 04:43 639232296255744174
22 ms 121.18.168.159
12 2026-08-25 04:26 639232286095760789
30 ms 121.18.168.159
11 2026-08-25 04:09 639232276086186273
35 ms 121.18.168.159
10 2026-08-25 03:52 639232265900986425
41 ms 121.18.168.159
9 2026-08-25 03:35 639232255723518075
2023 ms 121.18.168.159
8 2026-08-25 03:18 639232245484452890
-
7 2026-08-25 03:01 639232235157175331
89 ms 121.18.168.159
6 2026-08-25 02:08 639232203197189095
4015 ms 121.18.168.159
5 2026-08-25 01:50 639232192844564298
28 ms 121.18.168.159
4 2026-08-25 01:33 639232182496008942
17 ms 121.18.168.159
3 2026-08-25 01:16 639232172197053132
4033 ms 121.18.168.159
2 2026-08-25 00:23 639232140250307418
207 ms 121.18.168.159
1 2026-08-25 00:05 639232129927860324
34 ms 121.18.168.159