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Registering more than one domain

If you register a domain name such as and you have a web server What if you have a mail server and Do you also have to register these domains or do you just identify them in the DNS?

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Since you've already registered, all you need to do is add the resource records to the DNS server you supplied when you registered. For instance, if your ISP hosts your DNS zone, then have your ISP add an A record for and If you want to have mail routed to, then have the ISP add an MX record, as well.

This was first published in May 2001

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