A Domain Name🔗 is a way to map a name to an IP address. This way humans can access computer resources such as websites without having to memorize arbitrary numbers. For example, Google.com is mapped out to an IP address that is communicated to your computer though Domain Name Servers.
Domains can have several records of which are important.
||Map the Domain to an IP address.
||IPv6 version of an A record.
||Give an alias to another domain, such as an A or AAAA record.
||Respond to the DNS Query with the port number that the service is running on.
||Associate mail traffic to the mail server.