About DNS Records
A (Address):
Maps domain name to IPv4 address
AAAA (IPv6 Address):
Maps domain name to IPv6 address
CNAME (Canonical Name):
Redirects to another domain name (alias)
MX (Mail Exchange):
Specifies mail servers for the domain
TXT (Text):
Contains arbitrary text information
NS (Name Server):
Specifies DNS servers responsible for the domain
SOA (Start of Authority):
Contains administrative zone information