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DNS Tables

A domain name server table contains lists of domain name aliases for IP addresses. They use three different types of records as shown below.

Address records (A)

These link a domain name to an IP address.

Mail Exchange Record (MX)

These are used to identify mail exchange servers.

CNAME records

These allow domain names to be aliased to an IP address via a domain name already linked to an IP address.

Sample DNS Table
mail.xx.com IN A 102.34.23.6
host.xx.com IN MX mail.xx.com
www.xx.com IN A 102.34.23.8
ftp.xx.com IN CNAME www.xx.com


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