O *
em um certificado curinga só tem permissão para corresponder a um único elemento no lado esquerdo do nome do host.
If the wildcard character is the only character of the left-most label in the presented identifier, the client SHOULD NOT compare against anything but the left-most label of the reference identifier (e.g., *.example.com would match foo.example.com but not bar.foo.example.com or example.com).