CNAME flattening support

[ammnt]

Hello,

please add CNAME flattering support. This is necessary for reduce and speed up DNS lookups via disabling ANAME support and block RFC compliant CNAME records at a root domains. More information here: https://blog.cloudflare.com/introducing-cname-flattening-rfc-compliant-cnames-at-a-domains-root/ https://kinsta.com/blog/reduce-dns-lookups/ https://news.ycombinator.com/item?id=24974033

Thank you! Best regards🫠