List of DNS record types - Wikipedia

DNS Message — How to Read Query and Response Message, by Carson

CNIT 40: DNS Security -- Sam Bowne

DNS Record

Understanding the Domain Name System (DNS)

CNIT 40: DNS Security -- Sam Bowne

DNS Message — How to Read Query and Response Message, by Carson

How do I configure DNS records for a mail server? - Synology Knowledge Center

What is the difference between AAAA record and MX record in DNS

What are the different kinds of DNS records (A, NS, MX etc.)? - Quora

What are DNS records? How does it work? - Quora

What's a DNS server in simple words?

DNS zone - Wikiwand