The DNS Zone Info page is where advanced users can configure A, CNAME, MX, NS, TXT and SRV records. These settings will only become available on domains that have the name servers dns1.above.com and dns2.above.com.
It may take several hours for your name server or DNS changes to take effect.
An A (Address) Record which is also known as a Host Record connects a domain to the physical IP address of a web hosting service.
A CNAME (Canonical Name) Record connects an alias name to another true or canonical domain name. An example would be, www.above.com could link to above.com.
An MX (Mail Exchange) Record direct a domain's email to the servers hosting the domain's email service.
A NS (Name Server) Record determines which servers will communicate DNS information for a domain. Most often you will have a primary and secondary name server record for your domain.
A TXT (Text) Record provides text information to sources outside your domain which can be used for a number of arbitrary purposes. The record's value can be either human or machine-readable text.
A SRV (Service) Record is a specification of data in the Domain Name System defining the location of servers for specified services.