Let's Debug

Test result for leapcloud.ddns.net using http-01

NoRecords
Fatal
No valid A or AAAA records could be ultimately resolved for leapcloud.ddns.net. This means that Let's Encrypt would not be able to to connect to your domain to perform HTTP validation, since it would not know where to connect to.
No A or AAAA records found.
PublicSuffix
Debug
The IANA public suffix is the TLD of the Registered Domain
The TLD for leapcloud.ddns.net is: net
StatusIO
Debug
The current status.io status for Let's Encrypt
Operational

Submitted Oct 17 12:18:28 2021. Sat in queue for 21ms. Completed in 0s. Hide verbose information.