What are Domain Name System Security Extensions (DNSSEC)?

DNSSEC (Domain Name System Security Extensions) is a cryptographic authentication and integrity verification of DNS data, DNSSEC is a collection of security extensions for the DNS protocol. It helps prevent DNS hijacking and tampering by digitally signing DNS records, ensuring they have not been modified in transit. DNSSEC reduces the risks of DNS-related attacks by enhancing the reliability and security of DNS responses.