Web, domains and email
CNAME
Abbreviation for Canonical Name
In short and in plain language
A CNAME is a record in the domain name system.
It points one name to another name.
For example, the www address can point to the main address or to a service.
When a domain moves, such records should be carried over with care.
Definition
A CNAME is a record in the domain name system that points one name to another name. For example, the www address can point to the main address or to a service. It is among the records that should be carefully carried over when moving a domain.