What Is Exactly a CNAME DNS Record

This Tip Should Tell You Simply and Exactly What's is a CNAME.

A CNAME Can Be Defined as a TCP/IP-DNS Alias/Pointer that Forward the Request To This DomainName OR to Another DomainName.
A CNAME Resolve/Map a Domain Name Prefix (Like: www, ftp, forum...) To the Corresponding Canonical Domain Name.


Examples:

www IN CNAME thisdomainname.com

Map the URL www.thisdomainname.com To thisdomainname.com

ftp IN CNAME otherdomainfirst.com

Map the URL ftp.thisdomainname.com To otherdomainfirst.com

forum IN CNAME otherdomainsecond.com

Map the URL forum.thisdomainname.com To otherdomainsecond.com

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Firefox Nightly on Linux Distros

The Link Contains Detailed Instructions about Installing Firefox Nightly on Linux Distros.