Common resolution record types

A record (can point a domain name to an IP address)

PTR record (can point an IP to a domain name, apply to an ISP, set by the provider, and will involve fees)

CNAME record (can point a domain name to another domain name)

MX record (used by the email system to locate the mail server according to the recipient's address suffix when sending emails)

AAAA record (can point a domain name to an IPV6 address)

TXT record (text record)

NS record (can hand over the subdomain to other DNS service providers to provide resolution services)