CNAME Record (DNS)

      1. Definition:


A CNAME record associates one domain name to another domain name.

Some reasons of doing so are:

  • Having multiple domain names pointing to the same website: for example “” and “”.
  • Using subdomains with my own web applications: if subdomain’s web applications are on the same computer as the main web application, subdomain’s requests must also be sent to the same computer. In this case one can create a CNAME record that associates subdomains to the main domain.


  • CNAME, www, @: point “” to main domain “”.
  • CNAME, blog, @: point subdomain “” to main domain “”