As of 2013, if you get a free cert for something.example.tld, it also includes a subjectAltName for example.tld (which is usually desirable if something is "www

As of 2013, if you get a free cert for something.example.tld, it also includes a subjectAltName for example.tld (which is usually desirable if something is "www" but undesirable if it's something else).