Let's Debug

Test result for kaischmidt.ca using http-01

A private, inaccessible, IANA/IETF-reserved IP address was found for kaischmidt.ca. 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.
10.0.0.244

Submitted Nov 18 18:28:46 2022. Sat in queue for 3ms. Completed in 1s. Show verbose information.