| 9953 | DNS over CoAP (DoC)M. S. Lenders, C. Amsüss, C. Gündoğan, T. C. Schmidt, M. Wählisch | Proposed Standard | March 2026 |
| 9517 | A URN Namespace for the Data Documentation Initiative (DDI)J. Wackerow | Informational | January 2024 |
| 9250 | DNS over Dedicated QUIC ConnectionsC. Huitema, S. Dickinson, A. Mankin | Proposed Standard | May 2022 |
| 9091 | Experimental Domain-Based Message Authentication, Reporting, and Conformance (DMARC) Extension for Public Suffix DomainsS. Kitterman, T. Wicinski, Ed. · obsoleted by RFC 9989 | Experimental | July 2021 |
| 8576 | Internet of Things (IoT) Security: State of the Art and ChallengesO. Garcia-Morchon, S. Kumar, M. Sethi | Informational | April 2019 |
| 8005 | Host Identity Protocol (HIP) Domain Name System (DNS) ExtensionJ. Laganier | Proposed Standard | October 2016 |
| 7208 | Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1S. Kitterman | Proposed Standard | April 2014 |
| 6471 | Overview of Best Email DNS-Based List (DNSBL) Operational PracticesC. Lewis, M. Sergeant | Informational | January 2012 |
| 6376 | DomainKeys Identified Mail (DKIM) SignaturesD. Crocker, Ed., T. Hansen, Ed., M. Kucherawy, Ed. | Internet Standard | September 2011 |
| 6315 | IANA Registration for Enumservice 'iax'E. Guy, K. Darilion | Informational | July 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 |
| 5936 | DNS Zone Transfer Protocol (AXFR)E. Lewis, A. Hoenes, Ed. | Proposed Standard | June 2010 |
| 5782 | DNS Blacklists and WhitelistsJ. Levine | Informational | February 2010 |
| 5679 | Locating IEEE 802.21 Mobility Services Using DNSG. Bajko | Proposed Standard | December 2009 |
| 5452 | Measures for Making DNS More Resilient against Forged AnswersA. Hubert, R. van Mook | Proposed Standard | January 2009 |
| 5333 | IANA Registration of Enumservices for Internet CalendaringR. Mahy, B. Hoeneisen | Proposed Standard | October 2009 |
| 5278 | IANA Registration of Enumservices for Voice and Video MessagingJ. Livingood, D. Troshynski | Proposed Standard | July 2008 |
| 5222 | LoST: A Location-to-Service Translation ProtocolT. Hardie, A. Newton, H. Schulzrinne, H. Tschofenig | Proposed Standard | August 2008 |
| 5205 | Host Identity Protocol (HIP) Domain Name System (DNS) ExtensionsP. Nikander, J. Laganier · obsoleted by RFC 8005 | Experimental | April 2008 |
| 5155 | DNS Security (DNSSEC) Hashed Authenticated Denial of ExistenceB. Laurie, G. Sisson, R. Arends, D. Blacka | Proposed Standard | March 2008 |
| 5028 | A Telephone Number Mapping (ENUM) Service Registration for Instant Messaging (IM) ServicesR. Mahy | Proposed Standard | October 2007 |
| 4956 | DNS Security (DNSSEC) Opt-InR. Arends, M. Kosters, D. Blacka | Experimental | July 2007 |
| 4871 | DomainKeys Identified Mail (DKIM) SignaturesE. Allman, J. Callas, M. Delany, M. Libbey, J. Fenton, M. Thomas · obsoleted by RFC 6376 | Proposed Standard | May 2007 |
| 4870 | Domain-Based Email Authentication Using Public Keys Advertised in the DNS (DomainKeys)M. Delany · obsoleted by RFC 4871 | Historic | May 2007 |
| 4795 | Link-local Multicast Name Resolution (LLMNR)B. Aboba, D. Thaler, L. Esibov | Informational | January 2007 |
| 4769 | IANA Registration for an Enumservice Containing Public Switched Telephone Network (PSTN) Signaling InformationJ. Livingood, R. Shockey | Proposed Standard | November 2006 |
| 4415 | IANA Registration for Enumservice VoiceR. Brandner, L. Conroy, R. Stastny | Proposed Standard | February 2006 |
| 4408 | Sender Policy Framework (SPF) for Authorizing Use of Domains in E-Mail, Version 1M. Wong, W. Schlitt · obsoleted by RFC 7208 | Experimental | April 2006 |
| 4355 | IANA Registration for Enumservices email, fax, mms, ems, and smsR. Brandner, L. Conroy, R. Stastny | Proposed Standard | January 2006 |
| 4218 | Threats Relating to IPv6 Multihoming SolutionsE. Nordmark, T. Li | Informational | October 2005 |
| 4174 | The IPv4 Dynamic Host Configuration Protocol (DHCP) Option for the Internet Storage Name ServiceC. Monia, J. Tseng, K. Gibbons | Proposed Standard | September 2005 |
| 4033 | DNS Security Introduction and RequirementsR. Arends, R. Austein, M. Larson, D. Massey, S. Rose | Proposed Standard | March 2005 |
| 4002 | IANA Registration for Enumservice 'web' and 'ft'R. Brandner, L. Conroy, R. Stastny | Proposed Standard | February 2005 |