When you manually block a domain, you automatically block all of its subdomains. For example, if you are blocking
example.com, our policy engine will also block a.example.com, a.b.example.com.
If you only want to block a subdomain
a.example.com, then instead of adding
example.com to the list, you will add
a.example.com. Note that once you add
a.example.com to the block list, Cloudflare Gateway will also block all subdomains of