Must Use WordPress Plugin - Print the clean basedomain in the admin footer

wpse.php

<?php
/**
 * Print the clean basedomain in the admin footer
 * 
 * Place the file under /wp-content/mu-plugins/wpse.php
 * 
 * @uses get_clean_basedomain()
 */
add_action( 'in_admin_footer', function(){
        if( function_exists( 'get_clean_basedomain' ) )
                printf( '<p>Clean Base Domain: %s</p>', get_clean_basedomain() );
} );