Let's Debug

Test result for m1wanas.ddns.net using http-01

A private, inaccessible, IANA/IETF-reserved IP address was found for m1wanas.ddns.net. Let's Encrypt will always fail HTTP validation for any domain that is pointing to an address that is not routable on the internet. You should either remove this address and replace it with a public one or use the DNS validation method instead.

Submitted Jul 29 01:58:38 2023. Sat in queue for 4ms. Completed in 1s. Show verbose information.