Nginx - Redirect a domain with 301 to another domain

gistfile1.sh

server {
        # set the domain name this rule will work for
        server_name tld.domain.ext;
 
        # i force to listen to port 80
        listen 80;
 
        # no root, directly the redirect
        rewrite ^ http://www.newdomain.com$request_uri? permanent;
}