You can also create a standalone pull zone and point your existing DNS provider to the CNAME they give you.

(don't use CNAME flattening with DNS-routed CDNs like Bunny though, if you must use an apex domain then use the CDNs integrated nameservers)

> don't use CNAME flattening with DNS-routed CDNs like Bunny though

What is the problem with doing that?