Clear the cache in your browser and try publishing your site again. If this doesn't work, log in to your domain manager and do the following:
Create a CNAME record with the host name prefix "www" and point it to zhs.zohosites.com.
Use the Domain/Web Redirection/Forwarding option in your domain manager to forward your root domain [yourdomain.com] to [www.yourdomain.com].