| 1034 | Domain names - concepts and facilitiesP. Mockapetris | Internet Standard | November 1987 |
| 1035 | Domain names - implementation and specificationP. Mockapetris | Internet Standard | November 1987 |
| 1982 | Serial Number ArithmeticR. Elz, R. Bush | Proposed Standard | August 1996 |
| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 2181 | Clarifications to the DNS SpecificationR. Elz, R. Bush | Proposed Standard | July 1997 |
| 2308 | Negative Caching of DNS Queries (DNS NCACHE)M. Andrews | Proposed Standard | March 1998 |
| 2535 | Domain Name System Security ExtensionsD. Eastlake 3rd · obsoleted by RFC 4033, RFC 4034, RFC 4035 | Proposed Standard | March 1999 |
| 2536 | DSA KEYs and SIGs in the Domain Name System (DNS)D. Eastlake 3rd | Proposed Standard | March 1999 |
| 2537 | RSA/MD5 KEYs and SIGs in the Domain Name System (DNS)D. Eastlake 3rd · obsoleted by RFC 3110 | Proposed Standard | March 1999 |
| 2539 | Storage of Diffie-Hellman Keys in the Domain Name System (DNS)D. Eastlake 3rd | Proposed Standard | March 1999 |
| 2930 | Secret Key Establishment for DNS (TKEY RR)D. Eastlake 3rd | Proposed Standard | September 2000 |
| 2931 | DNS Request and Transaction Signatures ( SIG(0)s )D. Eastlake 3rd | Proposed Standard | September 2000 |
| 3110 | RSA/SHA-1 SIGs and RSA KEYs in the Domain Name System (DNS)D. Eastlake 3rd | Proposed Standard | May 2001 |
| 3445 | Limiting the Scope of the KEY Resource Record (RR)D. Massey, S. Rose · obsoleted by RFC 4033, RFC 4034, RFC 4035 | Proposed Standard | December 2002 |
| 3548 | The Base16, Base32, and Base64 Data EncodingsS. Josefsson, Ed. · obsoleted by RFC 4648 | Informational | July 2003 |
| 3597 | Handling of Unknown DNS Resource Record (RR) TypesA. Gustafsson | Proposed Standard | September 2003 |
| 3658 | Delegation Signer (DS) Resource Record (RR)O. Gudmundsson · obsoleted by RFC 4033, RFC 4034, RFC 4035 | Proposed Standard | December 2003 |
| 3755 | Legacy Resolver Compatibility for Delegation Signer (DS)S. Weiler · obsoleted by RFC 4033, RFC 4034, RFC 4035 | Proposed Standard | May 2004 |
| 3757 | Domain Name System KEY (DNSKEY) Resource Record (RR) Secure Entry Point (SEP) FlagO. Kolkman, J. Schlyter, E. Lewis · obsoleted by RFC 4033, RFC 4034, RFC 4035 | Proposed Standard | May 2004 |
| 3845 | DNS Security (DNSSEC) NextSECure (NSEC) RDATA FormatJ. Schlyter, Ed. · obsoleted by RFC 4033, RFC 4034, RFC 4035 | Proposed Standard | August 2004 |
| 4033 | DNS Security Introduction and RequirementsR. Arends, R. Austein, M. Larson, D. Massey, S. Rose | Proposed Standard | March 2005 |
| 4035 | Protocol Modifications for the DNS Security ExtensionsR. Arends, R. Austein, M. Larson, D. Massey, S. Rose | Proposed Standard | March 2005 |