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Domain Name Registration > Domain
Name Servers
What is a CNAME?
A CNAME is simply an alias for a host record. CNAMEs allow you to have
more than one DNS name for a host record.
CNAME records point back to the A record. So if you change your IP address
in your A record, all your CNAME records will automatically follow the
new IP of the A record. The alternative solution is to have multiple
A records, but then you would have multiple places to change the IP address
which increases the chances of error. Using CNAMEs is just more efficient.
The most common CNAMEs are www and ftp.
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