doc(Any self-contained piece of work created with an application program and, if saved on disk, given a unique filename by which it can be retrieved); document(Any self-contained piece of work created with an application program and, if saved on disk, given a unique filename by which it can be retrieved)
CNAME record(A type of resource record in the Domain Name System that associates a computer's true (canonical) name with any alias names also used by the computer. Some domain registrars use CNAME records to redirect or redelegate domain names)
MX record(A type of resource record in the Domain Name System (DNS) specifying how Internet e-mail should be routed using the Simple Mail Transfer Protocol (SMTP). Each MX record contains a preference and a host name, so that the collection of MX records for a given domain name point to the servers that should receive e-mail for that domain, and their priority relative to each other)
