| 9911 | Common YANG Data TypesJ. Schönwälder, Ed. | Proposed Standard | December 2025 |
| 9715 | IP Fragmentation Avoidance in DNS over UDPK. Fujiwara, P. Vixie | Informational | January 2025 |
| 9665 | Service Registration Protocol for DNS-Based Service DiscoveryT. Lemon, S. Cheshire | Proposed Standard | June 2025 |
| 9623 | Implementing Interfaces to Transport ServicesA. Brunstrom, Ed., T. Pauly, Ed., R. Enghardt, P.S. Tiesel, M. Welzl | Informational | January 2025 |
| 9525 | Service Identity in TLSP. Saint-Andre, R. Salz | Proposed Standard | November 2023 |
| 9517 | A URN Namespace for the Data Documentation Initiative (DDI)J. Wackerow | Informational | January 2024 |
| 9498 | The GNU Name SystemM. Schanzenbach, C. Grothoff, B. Fix | Informational | November 2023 |
| 9460 | Service Binding and Parameter Specification via the DNS (SVCB and HTTPS Resource Records)B. Schwartz, M. Bishop, E. Nygren | Proposed Standard | November 2023 |
| 8921 | Dynamic Service Negotiation: The Connectivity Provisioning Negotiation Protocol (CPNP)M. Boucadair, Ed., C. Jacquenet, D. Zhang, P. Georgatsos | Informational | October 2020 |
| 8882 | DNS-Based Service Discovery (DNS-SD) Privacy and Security RequirementsC. Huitema, D. Kaiser | Informational | September 2020 |
| 8811 | DDoS Open Threat Signaling (DOTS) ArchitectureA. Mortensen, Ed., T. Reddy.K, Ed., F. Andreasen, N. Teague, R. Compton | Informational | August 2020 |
| 8803 | 0-RTT TCP Convert ProtocolO. Bonaventure, Ed., M. Boucadair, Ed., S. Gundavelli, S. Seo, B. Hesmans | Experimental | July 2020 |
| 8777 | DNS Reverse IP Automatic Multicast Tunneling (AMT) DiscoveryJ. Holland | Proposed Standard | April 2020 |
| 8765 | DNS Push NotificationsT. Pusateri, S. Cheshire | Proposed Standard | June 2020 |
| 8764 | Apple's DNS Long-Lived Queries ProtocolS. Cheshire, M. Krochmal | Informational | June 2020 |
| 8620 | The JSON Meta Application Protocol (JMAP)N. Jenkins, C. Newman | Proposed Standard | July 2019 |
| 8583 | Diameter Load Information ConveyanceB. Campbell, S. Donovan, Ed., JJ. Trottin | Proposed Standard | August 2019 |
| 8572 | Secure Zero Touch Provisioning (SZTP)K. Watsen, I. Farrer, M. Abrahamsson | Proposed Standard | April 2019 |
| 8567 | Customer Management DNS Resource RecordsE. Rye, R. Beverly | Informational | 1 April 2019 |
| 8553 | DNS Attrleaf Changes: Fixing Specifications That Use Underscored Node NamesD. Crocker | Best Current Practice | March 2019 |
| 8552 | Scoped Interpretation of DNS Resource Records through "Underscored" Naming of Attribute LeavesD. Crocker | Best Current Practice | March 2019 |
| 8489 | Session Traversal Utilities for NAT (STUN)M. Petit-Huguenin, G. Salgueiro, J. Rosenberg, D. Wing, R. Mahy, P. Matthews | Proposed Standard | February 2020 |
| 8322 | Resource-Oriented Lightweight Information Exchange (ROLIE)J. Field, S. Banghart, D. Waltermire | Proposed Standard | February 2018 |
| 8222 | Selecting Labels for Use with Conventional DNS and Other Resolution Systems in DNS-Based Service DiscoveryA. Sullivan | Informational | September 2017 |
| 8117 | Current Hostname Practice Considered HarmfulC. Huitema, D. Thaler, R. Winter | Informational | March 2017 |
| 7984 | Locating Session Initiation Protocol (SIP) Servers in a Dual-Stack IP NetworkO. Johansson, G. Salgueiro, V. Gurbani, D. Worley, Ed. | Proposed Standard | September 2016 |
| 7831 | Application Bridging for Federated Access Beyond Web (ABFAB) ArchitectureJ. Howlett, S. Hartman, H. Tschofenig, J. Schaad | Informational | May 2016 |
| 7808 | Time Zone Data Distribution ServiceM. Douglass, C. Daboo | Proposed Standard | March 2016 |
| 7712 | Domain Name Associations (DNA) in the Extensible Messaging and Presence Protocol (XMPP)P. Saint-Andre, M. Miller, P. Hancke | Proposed Standard | November 2015 |
| 7711 | PKIX over Secure HTTP (POSH)M. Miller, P. Saint-Andre | Proposed Standard | November 2015 |
| 7673 | Using DNS-Based Authentication of Named Entities (DANE) TLSA Records with SRV RecordsT. Finch, M. Miller, P. Saint-Andre | Proposed Standard | October 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 |
| 7553 | The Uniform Resource Identifier (URI) DNS Resource RecordP. Faltstrom, O. Kolkman | Informational | June 2015 |
| 7505 | A "Null MX" No Service Resource Record for Domains That Accept No MailJ. Levine, M. Delany | Proposed Standard | June 2015 |
| 7395 | An Extensible Messaging and Presence Protocol (XMPP) Subprotocol for WebSocketL. Stout, Ed., J. Moffitt, E. Cestari | Proposed Standard | October 2014 |
| 7393 | Using the Port Control Protocol (PCP) to Update Dynamic DNSX. Deng, M. Boucadair, Q. Zhao, J. Huang, C. Zhou | Informational | November 2014 |
| 7390 | Group Communication for the Constrained Application Protocol (CoAP)A. Rahman, Ed., E. Dijk, Ed. | Experimental | October 2014 |
| 7247 | Interworking between the Session Initiation Protocol (SIP) and the Extensible Messaging and Presence Protocol (XMPP): Architecture, Addresses, and Error HandlingP. Saint-Andre, A. Houri, J. Hildebrand | Proposed Standard | May 2014 |
| 7208 | Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1S. Kitterman | Proposed Standard | April 2014 |
| 6991 | Common YANG Data TypesJ. Schoenwaelder, Ed. · obsoleted by RFC 9911 | Proposed Standard | July 2013 |
| 6940 | REsource LOcation And Discovery (RELOAD) Base ProtocolC. Jennings, B. Lowekamp, Ed., E. Rescorla, S. Baset, H. Schulzrinne | Proposed Standard | January 2014 |
| 6784 | Kerberos Options for DHCPv6S. Sakane, M. Ishiyama | Proposed Standard | November 2012 |
| 6764 | Locating Services for Calendaring Extensions to WebDAV (CalDAV) and vCard Extensions to WebDAV (CardDAV)C. Daboo | Proposed Standard | February 2013 |
| 6763 | DNS-Based Service DiscoveryS. Cheshire, M. Krochmal | Proposed Standard | February 2013 |
| 6733 | Diameter Base ProtocolV. Fajardo, Ed., J. Arkko, J. Loughney, G. Zorn, Ed. | Proposed Standard | October 2012 |
| 6717 | kx509 Kerberized Certificate Issuance Protocol in Use in 2012H. Hotz, R. Allbery | Informational | August 2012 |
| 6698 | The DNS-Based Authentication of Named Entities (DANE) Transport Layer Security (TLS) Protocol: TLSAP. Hoffman, J. Schlyter | Proposed Standard | August 2012 |
| 6672 | DNAME Redirection in the DNSS. Rose, W. Wijngaards | Proposed Standard | June 2012 |
| 6641 | Using DNS SRV to Specify a Global File Namespace with NFS Version 4C. Everhart, W. Adamson, J. Zhang | Proposed Standard | June 2012 |
| 6589 | Considerations for Transitioning Content to IPv6J. Livingood | Informational | April 2012 |
| 6408 | Diameter Straightforward-Naming Authority Pointer (S-NAPTR) UsageM. Jones, J. Korhonen, L. Morand | Proposed Standard | November 2011 |
| 6405 | Voice over IP (VoIP) SIP Peering Use CasesA. Uzelac, Ed., Y. Lee, Ed. | Informational | November 2011 |
| 6352 | CardDAV: vCard Extensions to Web Distributed Authoring and Versioning (WebDAV)C. Daboo | Proposed Standard | August 2011 |
| 6335 | Internet Assigned Numbers Authority (IANA) Procedures for the Management of the Service Name and Transport Protocol Port Number RegistryM. Cotton, L. Eggert, J. Touch, M. Westerlund, S. Cheshire | Best Current Practice | August 2011 |
| 6316 | Sockets Application Program Interface (API) for Multihoming ShimM. Komu, M. Bagnulo, K. Slavov, S. Sugimoto, Ed. | Informational | July 2011 |
| 6301 | A Survey of Mobility Support in the InternetZ. Zhu, R. Wakikawa, L. Zhang | Informational | July 2011 |
| 6281 | Understanding Apple's Back to My Mac (BTMM) ServiceS. Cheshire, Z. Zhu, R. Wakikawa, L. Zhang | Informational | June 2011 |
| 6275 | Mobility Support in IPv6C. Perkins, Ed., D. Johnson, J. Arkko | Proposed Standard | July 2011 |
| 6269 | Issues with IP Address SharingM. Ford, Ed., M. Boucadair, A. Durand, P. Levis, P. Roberts | Informational | June 2011 |
| 6251 | Using Kerberos Version 5 over the Transport Layer Security (TLS) ProtocolS. Josefsson | Informational | May 2011 |
| 6186 | Use of SRV Records for Locating Email Submission/Access ServicesC. Daboo | Proposed Standard | March 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 |
| 6120 | Extensible Messaging and Presence Protocol (XMPP): CoreP. Saint-Andre | 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 |
| 6097 | Local Mobility Anchor (LMA) Discovery for Proxy Mobile IPv6J. Korhonen, V. Devarapalli | Informational | February 2011 |
| 6021 | Common YANG Data TypesJ. Schoenwaelder, Ed. · obsoleted by RFC 6991 | Proposed Standard | October 2010 |
| 5928 | Traversal Using Relays around NAT (TURN) Resolution MechanismM. Petit-Huguenin | Proposed Standard | August 2010 |
| 5894 | Internationalized Domain Names for Applications (IDNA): Background, Explanation, and RationaleJ. Klensin | Informational | August 2010 |
| 5890 | Internationalized Domain Names for Applications (IDNA): Definitions and Document FrameworkJ. Klensin | Proposed Standard | August 2010 |
| 5864 | DNS SRV Resource Records for AFSR. Allbery | Proposed Standard | April 2010 |
| 5804 | A Protocol for Remotely Managing Sieve ScriptsA. Melnikov, Ed., T. Martin | Proposed Standard | July 2010 |
| 5780 | NAT Behavior Discovery Using Session Traversal Utilities for NAT (STUN)D. MacDonald, B. Lowekamp | Experimental | May 2010 |
| 5679 | Locating IEEE 802.21 Mobility Services Using DNSG. Bajko | Proposed Standard | December 2009 |
| 5626 | Managing Client-Initiated Connections in the Session Initiation Protocol (SIP)C. Jennings, Ed., R. Mahy, Ed., F. Audet, Ed. | Proposed Standard | October 2009 |
| 5595 | The Datagram Congestion Control Protocol (DCCP) Service CodesG. Fairhurst | Proposed Standard | September 2009 |
| 5533 | Shim6: Level 3 Multihoming Shim Protocol for IPv6E. Nordmark, M. Bagnulo | Proposed Standard | June 2009 |
| 5509 | Internet Assigned Numbers Authority (IANA) Registration of Instant Messaging and Presence DNS SRV RRs for the Session Initiation Protocol (SIP)S. Loreto | Proposed Standard | April 2009 |
| 5486 | Session Peering for Multimedia Interconnect (SPEERMINT) TerminologyD. Malas, Ed., D. Meyer, Ed. | Informational | March 2009 |
| 5415 | Control And Provisioning of Wireless Access Points (CAPWAP) Protocol SpecificationP. Calhoun, Ed., M. Montemurro, Ed., D. Stanley, Ed. | Proposed Standard | March 2009 |
| 5411 | A Hitchhiker's Guide to the Session Initiation Protocol (SIP)J. Rosenberg | Informational | February 2009 |
| 5389 | Session Traversal Utilities for NAT (STUN)J. Rosenberg, R. Mahy, P. Matthews, D. Wing · obsoleted by RFC 8489 | Proposed Standard | October 2008 |
| 5328 | A Uniform Resource Name (URN) Namespace for the Digital Video Broadcasting Project (DVB)A. Adolf, P. MacAvock | Informational | September 2008 |
| 5247 | Extensible Authentication Protocol (EAP) Key Management FrameworkB. Aboba, D. Simon, P. Eronen | Proposed Standard | August 2008 |
| 5178 | Generic Security Service Application Program Interface (GSS-API) Internationalization and Domain-Based Service Names and Name TypeN. Williams, A. Melnikov | Proposed Standard | May 2008 |
| 5122 | Internationalized Resource Identifiers (IRIs) and Uniform Resource Identifiers (URIs) for the Extensible Messaging and Presence Protocol (XMPP)P. Saint-Andre | Proposed Standard | February 2008 |
| 5026 | Mobile IPv6 Bootstrapping in Split ScenarioG. Giaretta, Ed., J. Kempf, V. Devarapalli, Ed. | Proposed Standard | October 2007 |
| 4985 | Internet X.509 Public Key Infrastructure Subject Alternative Name for Expression of Service NameS. Santesson | Proposed Standard | August 2007 |
| 4976 | Relay Extensions for the Message Sessions Relay Protocol (MSRP)C. Jennings, R. Mahy, A. B. Roach | Proposed Standard | September 2007 |
| 4848 | Domain-Based Application Service Location Using URIs and the Dynamic Delegation Discovery Service (DDDS)L. Daigle | Proposed Standard | April 2007 |
| 4622 | Internationalized Resource Identifiers (IRIs) and Uniform Resource Identifiers (URIs) for the Extensible Messaging and Presence Protocol (XMPP)P. Saint-Andre · obsoleted by RFC 5122 | Proposed Standard | August 2006 |
| 4592 | The Role of Wildcards in the Domain Name SystemE. Lewis | Proposed Standard | July 2006 |
| 4472 | Operational Considerations and Issues with IPv6 DNSA. Durand, J. Ihren, P. Savola | Informational | April 2006 |
| 4471 | Derivation of DNS Name Predecessor and SuccessorG. Sisson, B. Laurie | Experimental | September 2006 |
| 4387 | Internet X.509 Public Key Infrastructure Operational Protocols: Certificate Store Access via HTTPP. Gutmann, Ed. | Proposed Standard | February 2006 |
| 4386 | Internet X.509 Public Key Infrastructure Repository Locator ServiceS. Boeyen, P. Hallam-Baker | Experimental | February 2006 |
| 4367 | What's in a Name: False Assumptions about DNS NamesJ. Rosenberg, Ed., IAB | Informational | February 2006 |
| 4321 | Problems Identified Associated with the Session Initiation Protocol's (SIP) Non-INVITE TransactionR. Sparks | Informational | January 2006 |
| 4313 | Requirements for Distributed Control of Automatic Speech Recognition (ASR), Speaker Identification/Speaker Verification (SI/SV), and Text-to-Speech (TTS) ResourcesD. Oran | Informational | December 2005 |
| 4227 | Using the Simple Object Access Protocol (SOAP) in Blocks Extensible Exchange Protocol (BEEP)E. O'Tuathail, M. Rose | Proposed Standard | January 2006 |
| 4120 | The Kerberos Network Authentication Service (V5)C. Neuman, T. Yu, S. Hartman, K. Raeburn | Proposed Standard | July 2005 |
| 4085 | Embedding Globally-Routable Internet Addresses Considered HarmfulD. Plonka | Best Current Practice | June 2005 |
| 3958 | Domain-Based Application Service Location Using SRV RRs and the Dynamic Delegation Discovery Service (DDDS)L. Daigle, A. Newton | Proposed Standard | January 2005 |
| 3921 | Extensible Messaging and Presence Protocol (XMPP): Instant Messaging and PresenceP. Saint-Andre, Ed. · obsoleted by RFC 6121 | Proposed Standard | October 2004 |
| 3887 | Message Tracking Query ProtocolT. Hansen | Proposed Standard | September 2004 |
| 3861 | Address Resolution for Instant Messaging and PresenceJ. Peterson | Proposed Standard | August 2004 |
| 3832 | Remote Service Discovery in the Service Location Protocol (SLP) via DNS SRVW. Zhao, H. Schulzrinne, E. Guttman, C. Bisdikian, W. Jerome | Experimental | July 2004 |
| 3790 | Survey of IPv4 Addresses in Currently Deployed IETF Internet Area Standards Track and Experimental DocumentsC. Mickles, Ed., P. Nesser, II | Informational | June 2004 |
| 3723 | Securing Block Storage Protocols over IPB. Aboba, J. Tseng, J. Walker, V. Rangan, F. Travostino | Proposed Standard | April 2004 |
| 3620 | The TUNNEL ProfileD. New | Proposed Standard | October 2003 |
| 3597 | Handling of Unknown DNS Resource Record (RR) TypesA. Gustafsson | Proposed Standard | September 2003 |
| 3588 | Diameter Base ProtocolP. Calhoun, J. Loughney, E. Guttman, G. Zorn, J. Arkko · obsoleted by RFC 6733 | Proposed Standard | September 2003 |
| 3568 | Known Content Network (CN) Request-Routing MechanismsA. Barbir, B. Cain, R. Nair, O. Spatscheck | Informational | July 2003 |
| 3529 | Using Extensible Markup Language-Remote Procedure Calling (XML-RPC) in Blocks Extensible Exchange Protocol (BEEP)W. Harold | Experimental | April 2003 |
| 3489 | STUN - Simple Traversal of User Datagram Protocol (UDP) Through Network Address Translators (NATs)J. Rosenberg, J. Weinberger, C. Huitema, R. Mahy · obsoleted by RFC 5389 | Proposed Standard | March 2003 |
| 3486 | Compressing the Session Initiation Protocol (SIP)G. Camarillo | Proposed Standard | February 2003 |
| 3456 | Dynamic Host Configuration Protocol (DHCPv4) Configuration of IPsec Tunnel ModeB. Patel, B. Aboba, S. Kelly, V. Gupta | Proposed Standard | January 2003 |
| 3404 | Dynamic Delegation Discovery System (DDDS) Part Four: The Uniform Resource Identifiers (URI)M. Mealling | Proposed Standard | October 2002 |
| 3403 | Dynamic Delegation Discovery System (DDDS) Part Three: The Domain Name System (DNS) DatabaseM. Mealling | Proposed Standard | October 2002 |
| 3340 | The Application Exchange CoreM. Rose, G. Klyne, D. Crocker | Historic | July 2002 |
| 3288 | Using the Simple Object Access Protocol (SOAP) in Blocks Extensible Exchange Protocol (BEEP)E. O'Tuathail, M. Rose · obsoleted by RFC 4227 | Proposed Standard | June 2002 |
| 3263 | Session Initiation Protocol (SIP): Locating SIP ServersJ. Rosenberg, H. Schulzrinne | Proposed Standard | July 2002 |
| 3195 | Reliable Delivery for syslogD. New, M. Rose | Proposed Standard | November 2001 |
| 3117 | On the Design of Application ProtocolsM. Rose | Informational | November 2001 |
| 3091 | Pi Digit Generation ProtocolH. Kennedy | Informational | 1 April 2001 |
| 3088 | OpenLDAP Root Service An experimental LDAP referral serviceK. Zeilenga | Experimental | April 2001 |
| 2916 | E.164 number and DNSP. Faltstrom · obsoleted by RFC 3761 | Proposed Standard | September 2000 |
| 2915 | The Naming Authority Pointer (NAPTR) DNS Resource RecordM. Mealling, R. Daniel · obsoleted by RFC 3401, RFC 3402, RFC 3403, RFC 3404 | Proposed Standard | September 2000 |