Type	Function
A	Returns 32-bit IPv4 address, most commonly used to map hostnames to IP address
CNAME	Alias of one name to another
MX	Maps domain name to list of message transfer agents
NS	Delegates DNS zone to use the given authoritative name servers
PTR	Pointer to a canonical name, most commonly for reverse lookups
SOA	Information about zone, including primary name server, email of the domain admin, etc
SRV	Generalized service location record