| 9788 | Header Protection for Cryptographically Protected EmailD. K. Gillmor, B. Hoeneisen, A. Melnikov | Proposed Standard | August 2025 |
| 9676 | LEX: A Uniform Resource Name (URN) Namespace for Sources of LawP. Spinosa, E. Francesconi, C. Lupo | Informational | May 2025 |
| 9598 | Internationalized Email Addresses in X.509 CertificatesA. Melnikov, W. Chuang, C. Bonnell | Proposed Standard | May 2024 |
| 9549 | Internationalization Updates to RFC 5280R. Housley | Proposed Standard | March 2024 |
| 9525 | Service Identity in TLSP. Saint-Andre, R. Salz | Proposed Standard | November 2023 |
| 9499 | DNS TerminologyP. Hoffman, K. Fujiwara | Best Current Practice | March 2024 |
| 9495 | Certification Authority Authorization (CAA) Processing for Email AddressesC. Bonnell | Proposed Standard | October 2023 |
| 9233 | Internationalized Domain Names for Applications 2008 (IDNA2008) and Unicode 12.0.0P. Fältström | Proposed Standard | March 2022 |
| 9167 | Registry Maintenance Notification for the Extensible Provisioning Protocol (EPP)T. Sattler, R. Carney, J. Kolker | Proposed Standard | December 2021 |
| 9095 | Extensible Provisioning Protocol (EPP) Domain Name Mapping Extension for Strict Bundling RegistrationJ. Yao, L. Zhou, H. Li, N. Kong, J. Xie | Informational | July 2021 |
| 9082 | Registration Data Access Protocol (RDAP) Query FormatS. Hollenbeck, A. Newton | Internet Standard | June 2021 |
| 9022 | Domain Name Registration Data (DNRD) Objects MappingG. Lozano, J. Gould, C. Thippeswamy | Proposed Standard | May 2021 |
| 8616 | Email Authentication for Internationalized MailJ. Levine | Proposed Standard | June 2019 |
| 8499 | DNS TerminologyP. Hoffman, A. Sullivan, K. Fujiwara · obsoleted by RFC 9499 | Best Current Practice | January 2019 |
| 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 |
| 8398 | Internationalized Email Addresses in X.509 CertificatesA. Melnikov, Ed., W. Chuang, Ed. · obsoleted by RFC 9598 | Proposed Standard | May 2018 |
| 8324 | DNS Privacy, Authorization, Special Uses, Encoding, Characters, Matching, and Root Structure: Time for Another Look?J. Klensin | Informational | February 2018 |
| 8264 | PRECIS Framework: Preparation, Enforcement, and Comparison of Internationalized Strings in Application ProtocolsP. Saint-Andre, M. Blanchet | Proposed Standard | October 2017 |
| 8228 | Guidance on Designing Label Generation Rulesets (LGRs) Supporting Variant LabelsA. Freytag | Informational | August 2017 |
| 8222 | Selecting Labels for Use with Conventional DNS and Other Resolution Systems in DNS-Based Service DiscoveryA. Sullivan | Informational | September 2017 |
| 8006 | Content Delivery Network Interconnection (CDNI) MetadataB. Niven-Jenkins, R. Murray, M. Caulfield, K. Ma | Proposed Standard | December 2016 |
| 7940 | Representing Label Generation Rulesets Using XMLK. Davies, A. Freytag | Proposed Standard | August 2016 |
| 7719 | DNS TerminologyP. Hoffman, A. Sullivan, K. Fujiwara · obsoleted by RFC 8499 | Informational | December 2015 |
| 7678 | Attribute-Value Pairs for Provisioning Customer Equipment Supporting IPv4-Over-IPv6 Transitional SolutionsC. Zhou, T. Taylor, Q. Sun, M. Boucadair | Proposed Standard | October 2015 |
| 7613 | Preparation, Enforcement, and Comparison of Internationalized Strings Representing Usernames and PasswordsP. Saint-Andre, A. Melnikov · obsoleted by RFC 8265 | Proposed Standard | August 2015 |
| 7585 | Dynamic Peer Discovery for RADIUS/TLS and RADIUS/DTLS Based on the Network Access Identifier (NAI)S. Winter, M. McCauley | Experimental | October 2015 |
| 7564 | PRECIS Framework: Preparation, Enforcement, and Comparison of Internationalized Strings in Application ProtocolsP. Saint-Andre, M. Blanchet · obsoleted by RFC 8264 | Proposed Standard | May 2015 |
| 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 |
| 7482 | Registration Data Access Protocol (RDAP) Query FormatA. Newton, S. Hollenbeck · obsoleted by RFC 9082 | Proposed Standard | March 2015 |
| 7055 | A GSS-API Mechanism for the Extensible Authentication ProtocolS. Hartman, Ed., J. Howlett | Proposed Standard | December 2013 |
| 6912 | Principles for Unicode Code Point Inclusion in Labels in the DNSA. Sullivan, D. Thaler, J. Klensin, O. Kolkman | Informational | April 2013 |
| 6885 | Stringprep Revision and Problem Statement for the Preparation and Comparison of Internationalized Strings (PRECIS)M. Blanchet, A. Sullivan | Informational | March 2013 |
| 6857 | Post-Delivery Message Downgrading for Internationalized Email MessagesK. Fujiwara | Proposed Standard | March 2013 |
| 6797 | HTTP Strict Transport Security (HSTS)J. Hodges, C. Jackson, A. Barth | Proposed Standard | November 2012 |
| 6733 | Diameter Base ProtocolV. Fajardo, Ed., J. Arkko, J. Loughney, G. Zorn, Ed. | Proposed Standard | October 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 |
| 6454 | The Web Origin ConceptA. Barth | Proposed Standard | December 2011 |
| 6125 | Representation and Verification of Domain-Based Application Service Identity within Internet Public Key Infrastructure Using X.509 (PKIX) Certificates in the Context of Transport Layer Security (TLS)P. Saint-Andre, J. Hodges · obsoleted by RFC 9525 | Proposed Standard | March 2011 |
| 6124 | An EAP Authentication Method Based on the Encrypted Key Exchange (EKE) ProtocolY. Sheffer, G. Zorn, H. Tschofenig, S. Fluhrer | Informational | February 2011 |
| 6122 | Extensible Messaging and Presence Protocol (XMPP): Address FormatP. Saint-Andre · obsoleted by RFC 7622 | Proposed Standard | March 2011 |
| 6068 | The 'mailto' URI SchemeM. Duerst, L. Masinter, J. Zawinski | Proposed Standard | October 2010 |
| 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 |
| 5895 | Mapping Characters for Internationalized Domain Names in Applications (IDNA) 2008P. Resnick, P. Hoffman | Informational | September 2010 |
| 5894 | Internationalized Domain Names for Applications (IDNA): Background, Explanation, and RationaleJ. Klensin | Informational | August 2010 |
| 5893 | Right-to-Left Scripts for Internationalized Domain Names for Applications (IDNA)H. Alvestrand, Ed., C. Karp | Proposed Standard | August 2010 |
| 5892 | The Unicode Code Points and Internationalized Domain Names for Applications (IDNA)P. Faltstrom, Ed. | Proposed Standard | August 2010 |
| 5890 | Internationalized Domain Names for Applications (IDNA): Definitions and Document FrameworkJ. Klensin | Proposed Standard | August 2010 |