Follow the instructions here (you will replace your wwwCNAME with a proxied AAAA record pointing to 100::
Since GHL uses Cloudflare, the record for die-phoenixfamilie.online (@) should be the CNAME to GHL if you want requests to pass through your Cloudflare account first. Make sure GHL is configured to answer for the hostname die-phoenixfamilie.online.