DNSSEC was originally specified in the following three RFCs:
- RFC 4033 - DNS Security Introduction and Requirements
- RFC 4034 - Resource Records for the DNS Security Extensions
- RFC 4035 - Protocol Modifications for the DNS Security Extensions
- RFC 4470 - Minimally Covering NSEC Records and DNSSEC On-line Signing
- RFC 4641 - DNSSEC Operational Practices
- RFC 5155 - DNS Security (DNSSEC) Hashed Authenticated Denial of Existence
- RFC 6014 - Cryptographic Algorithm Identifier Allocation for DNSSEC
- RFC 4398 - Storing Certificates in the Domain Name System (DNS)