| 1034 | Domain names - concepts and facilitiesP. Mockapetris | Internet Standard | November 1987 |
| 1035 | Domain names - implementation and specificationP. Mockapetris | Internet Standard | November 1987 |
| 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 |
| 2536 | DSA KEYs and SIGs in the Domain Name System (DNS)D. Eastlake 3rd | Proposed Standard | March 1999 |
| 3110 | RSA/SHA-1 SIGs and RSA KEYs in the Domain Name System (DNS)D. Eastlake 3rd | Proposed Standard | May 2001 |
| 3596 | DNS Extensions to Support IP Version 6S. Thomson, C. Huitema, V. Ksinant, M. Souissi | Internet Standard | October 2003 |
| 3833 | Threat Analysis of the Domain Name System (DNS)D. Atkins, R. Austein | Informational | August 2004 |
| 4025 | A Method for Storing IPsec Keying Material in DNSM. Richardson | Proposed Standard | March 2005 |
| 4033 | DNS Security Introduction and RequirementsR. Arends, R. Austein, M. Larson, D. Massey, S. Rose | Proposed Standard | March 2005 |
| 4034 | Resource Records for the DNS Security ExtensionsR. 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 |
| 4423 | Host Identity Protocol (HIP) ArchitectureR. Moskowitz, P. Nikander · obsoleted by RFC 9063 | Informational | May 2006 |
| 4648 | The Base16, Base32, and Base64 Data EncodingsS. Josefsson | Proposed Standard | October 2006 |
| 5205 | Host Identity Protocol (HIP) Domain Name System (DNS) ExtensionsP. Nikander, J. Laganier · obsoleted by RFC 8005 | Experimental | April 2008 |
| 5206 | End-Host Mobility and Multihoming with the Host Identity ProtocolP. Nikander, T. Henderson, Ed., C. Vogt, J. Arkko · obsoleted by RFC 8046 | Experimental | April 2008 |
| 6605 | Elliptic Curve Digital Signature Algorithm (DSA) for DNSSECP. Hoffman, W.C.A. Wijngaards | Proposed Standard | April 2012 |
| 7401 | Host Identity Protocol Version 2 (HIPv2)R. Moskowitz, Ed., T. Heer, P. Jokela, T. Henderson | Proposed Standard | April 2015 |
| 7841 | RFC Streams, Headers, and BoilerplatesJ. Halpern, Ed., L. Daigle, Ed., O. Kolkman, Ed. | Informational | May 2016 |
| 8004 | Host Identity Protocol (HIP) Rendezvous ExtensionJ. Laganier, L. Eggert | Proposed Standard | October 2016 |