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, a subdomain can point to the address of a service.
Such records are set when you set up a website and email.
Definition
A CNAME is a record in the domain name system that points one name to another name. For example, a subdomain can point to the address of a service. It is among the records set when configuring a website and email.