Purpose: Contains the public key used to sign the zone's DNSSEC data.
Importance: Fundamental for the DNSSEC chain of trust.
Purpose: Contains the digital signature for a specific set of DNS records.
Importance: Ensures the authenticity and integrity of DNS records.
Purpose: Enumerates the resource record (RR) types that exist for a domain name and those that do not exist.
Importance: Helps prevent certain types of attacks, such as zone walking.
Purpose: Used in the parent zone to authenticate the public key in the child zone.
Importance: Essential for establishing the chain of trust in DNSSEC.