| 9549 | Internationalization Updates to RFC 5280R. Housley | Proposed Standard | March 2024 |
| 8766 | Discovery Proxy for Multicast DNS-Based Service DiscoveryS. Cheshire | Proposed Standard | June 2020 |
| 8737 | Automated Certificate Management Environment (ACME) TLS Application-Layer Protocol Negotiation (ALPN) Challenge ExtensionR.B. Shoemaker | Proposed Standard | February 2020 |
| 8461 | SMTP MTA Strict Transport Security (MTA-STS)D. Margolis, M. Risher, B. Ramakrishnan, A. Brotman, J. Jones | Proposed Standard | September 2018 |
| 8460 | SMTP TLS ReportingD. Margolis, A. Brotman, B. Ramakrishnan, J. Jones, M. Risher | Proposed Standard | September 2018 |
| 8399 | Internationalization Updates to RFC 5280R. Housley · obsoleted by RFC 9549 | Proposed Standard | May 2018 |
| 7542 | The Network Access IdentifierA. DeKok | Proposed Standard | May 2015 |
| 7530 | Network File System (NFS) Version 4 ProtocolT. Haynes, Ed., D. Noveck, Ed. | Proposed Standard | March 2015 |
| 6943 | Issues in Identifier Comparison for Security PurposesD. Thaler, Ed. | Informational | May 2013 |
| 6885 | Stringprep Revision and Problem Statement for the Preparation and Comparison of Internationalized Strings (PRECIS)M. Blanchet, A. Sullivan | Informational | March 2013 |
| 6763 | DNS-Based Service DiscoveryS. Cheshire, M. Krochmal | Proposed Standard | February 2013 |
| 6762 | Multicast DNSS. Cheshire, M. Krochmal | Proposed Standard | February 2013 |
| 6733 | Diameter Base ProtocolV. Fajardo, Ed., J. Arkko, J. Loughney, G. Zorn, Ed. | Proposed Standard | October 2012 |
| 6672 | DNAME Redirection in the DNSS. Rose, W. Wijngaards | Proposed Standard | June 2012 |
| 6595 | A Simple Authentication and Security Layer (SASL) and GSS-API Mechanism for the Security Assertion Markup Language (SAML)K. Wierenga, E. Lear, S. Josefsson | Proposed Standard | April 2012 |
| 6545 | Real-time Inter-network Defense (RID)K. Moriarty | Proposed Standard | April 2012 |
| 6530 | Overview and Framework for Internationalized EmailJ. Klensin, Y. Ko | Proposed Standard | February 2012 |
| 6365 | Terminology Used in Internationalization in the IETFP. Hoffman, J. Klensin | Best Current Practice | September 2011 |
| 6122 | Extensible Messaging and Presence Protocol (XMPP): Address FormatP. Saint-Andre · obsoleted by RFC 7622 | Proposed Standard | March 2011 |
| 6116 | The E.164 to Uniform Resource Identifiers (URI) Dynamic Delegation Discovery System (DDDS) Application (ENUM)S. Bradner, L. Conroy, K. Fujiwara | Proposed Standard | March 2011 |
| 6055 | IAB Thoughts on Encodings for Internationalized Domain NamesD. Thaler, J. Klensin, S. Cheshire | Informational | February 2011 |
| 6021 | Common YANG Data TypesJ. Schoenwaelder, Ed. · obsoleted by RFC 6991 | Proposed Standard | October 2010 |
| 5894 | Internationalized Domain Names for Applications (IDNA): Background, Explanation, and RationaleJ. Klensin | Informational | August 2010 |
| 5891 | Internationalized Domain Names in Applications (IDNA): ProtocolJ. Klensin | Proposed Standard | August 2010 |
| 5890 | Internationalized Domain Names for Applications (IDNA): Definitions and Document FrameworkJ. Klensin | Proposed Standard | August 2010 |
| 5580 | Carrying Location Objects in RADIUS and DiameterH. Tschofenig, Ed., F. Adrangi, M. Jones, A. Lior, B. Aboba | Proposed Standard | August 2009 |
| 5483 | ENUM Implementation Issues and ExperiencesL. Conroy, K. Fujiwara | Informational | March 2009 |
| 5255 | Internet Message Access Protocol InternationalizationC. Newman, A. Gulbrandsen, A. Melnikov | Proposed Standard | June 2008 |
| 5137 | ASCII Escaping of Unicode CharactersJ. Klensin | Best Current Practice | February 2008 |
| 5101 | Specification of the IP Flow Information Export (IPFIX) Protocol for the Exchange of IP Traffic Flow InformationB. Claise, Ed. · obsoleted by RFC 7011 | Proposed Standard | January 2008 |
| 4713 | Registration and Administration Recommendations for Chinese Domain NamesX. Lee, W. Mao, E. Chen, N. Hsu, J. Klensin | Informational | October 2006 |
| 4690 | Review and Recommendations for Internationalized Domain Names (IDNs)J. Klensin, P. Faltstrom, C. Karp, IAB | Informational | September 2006 |
| 4343 | Domain Name System (DNS) Case Insensitivity ClarificationD. Eastlake 3rd | Proposed Standard | January 2006 |
| 4290 | Suggested Practices for Registration of Internationalized Domain Names (IDN)J. Klensin | Informational | December 2005 |
| 4185 | National and Local Characters for DNS Top Level Domain (TLD) NamesJ. Klensin | Informational | October 2005 |
| 3743 | Joint Engineering Team (JET) Guidelines for Internationalized Domain Names (IDN) Registration and Administration for Chinese, Japanese, and KoreanK. Konishi, K. Huang, H. Qian, Y. Ko | Informational | April 2004 |
| 3696 | Application Techniques for Checking and Transformation of NamesJ. Klensin | Informational | February 2004 |
| 3490 | Internationalizing Domain Names in Applications (IDNA)P. Faltstrom, P. Hoffman, A. Costello · obsoleted by RFC 5890, RFC 5891 | Proposed Standard | March 2003 |