DNS record types - samuelGreitzer/SYS255-tech-journal GitHub Wiki

A (forward) - Address record used to resolve a name to an IPv4 address

CNAME (alias) - canonical name record, used to alias a name to another name. This name is also known as "x"

AAAA - address record used to resolve a name to an ipv6 address

PTR (reverse) - resolves and ipv4 address to a name

MX(mail server) - identifies email servers