Understanding and Implementing DNSSEC Correctly
DNS is one of the most critical infrastructure components on the internet – and simultaneously one of the most vulnerable. DNSSEC (Domain Name System Security Extensions) was developed to close fundamental security gaps in DNS. Despite its importance, DNSSEC is often misunderstood or incorrectly implemented. What is DNSSEC and Why Does it Matter? Classic DNS has a fundamental problem: there’s no way to verify whether a DNS response actually comes from the authoritative nameserver or has been manipulated by an attacker. This enables attacks such as: ...