server {
    server_name ~^\d+\.\d+\.\d+\.\d+$;
    root /www/ip.com;

    location ~ .php$ {
        fastcgi_pass  127.0.0.1:9000;
        fastcgi_index  index.php;
        fastcgi_param  SCRIPT_FILENAME  /www/ip.com$fastcgi_script_name;
        include        fastcgi_params;
    }
}


server {
    server_name   ~^(www\.)?(?P<domain>.+)$;
    root   /www/$domain;

    include /etc/nginx/conf.d/my_domain;

    location ~ ^/(403|404|405|50x).html {
        root /www/ip.com/custom_error_page;
    }

    location ~ .php$ {
        fastcgi_pass  127.0.0.1:9000;
        fastcgi_index  index.php;
        fastcgi_param  SCRIPT_FILENAME  /www/$domain$fastcgi_script_name;
        include        fastcgi_params;
    }
}