Address
Maps a hostname to an IPv4 address
IPv6 Address
Maps a hostname to an IPv6 address
Canonical Name
Alias from one hostname to another
Name Server
Authoritative nameservers for the zone
Mail Exchange
Mail servers (with priority) for mail
Start of Authority
Zone administrative metadata
Text
Arbitrary text for verification & policy
Sender Policy
Authorized mail senders (in TXT)
DomainKeys
Email signing public keys
DMARC
Email auth & reporting policy
Cert Authority
Authorized SSL/TLS issuers
Pointer
Reverse DNS — IP back to hostname