A Subdomain is a prefix on your current domain name, for example:
If you would like to setup a subdomain for your domain or website please contact us, we will be happy to set it up for you.
What do I change?
This depends on the domains authoritative name servers.
Domains hosted on Simplehost name servers will require no changes, our staff can configure the new subdomain. If you have a DNS provider or use your registrar an A record needs to be created for the new subdomain, we can configure the rest.