Check whether a blogname is already taken.
Used during the new site registration process to ensure that each blogname is unique.
This name is already being used by myself on Wordpress.com
This is my domain name
I post primary the greatest advertisements/best marketing/ greates atheletes
focus primary on the greatest businesses, ideas, people.
<?php domain_exists( $domain, $path, $site_id ); ?>
domain_exists() is located in