What DNS records do you know?

A, AAAA, CNAME, MX, TXT, NS, PTR, SOA, SRV, SPF, DKIM, DMARC.

Record Type	Description
A	Links a domain name to an IPv4 address
AAAA	Links a domain name to an IPv6 address
CNAME	Creates an alias for another domain name
MX	Defines the mail servers of the domain
TXT	Stores textual information for the domain
NS	Defines the authoritative DNS servers of the domain
PTR	Used for reverse DNS lookup (IP address to domain name)
SOA	Start of authority zone, contains basic information
SRV	Defines the location of services
SPF	Mechanism to prevent sender address forgery
DKIM	Signs outgoing emails for authenticity
DMARC	Policy for handling emails based on SPF and DKIM