Why can't you have a CNAME at the root of a domain?
Have you ever wondered why your nameserver does not allow you to put a CNAME Record at the zone apex?
Enabling Windows' DNS Server to Validate DNSSEC
DNSSEC is a suite of specifications for securing DNS. How do you enable your Windows DNS Server to Validate DNSSEC?
Origins of the Domain Name System
DNS is a critical infrastructure component of the Internet. How did it originate? How does it work? Who controls it? Is it secure?