Let's Debug

Test result for napsternet.net using tls-alpn-01

Warning
The domain napsternet.net is being served through Cloudflare CDN. Any Let's Encrypt certificate installed on the origin server will only encrypt traffic between the server and Cloudflare. It is strongly recommended that the SSL option 'Full SSL (strict)' be enabled.
https://support.cloudflare.com/hc/en-us/articles/200170416-What-do-the-SSL-options-mean-

Submitted Oct 13 17:29:39 2022. Sat in queue for 2ms. Completed in 1s. Show verbose information.