| 952 | DoD Internet host table specificationK. Harrenstien, M.K. Stahl, E.J. Feinler | Unknown | October 1985 |
| 1035 | Domain names - implementation and specificationP. Mockapetris | Internet Standard | November 1987 |
| 1123 | Requirements for Internet Hosts - Application and SupportR. Braden, Ed. | Internet Standard | October 1989 |
| 1166 | Internet numbersS. Kirkpatrick, M.K. Stahl, M. Recker | Informational | July 1990 |
| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 3912 | WHOIS Protocol SpecificationL. Daigle | Draft Standard | September 2004 |
| 3986 | Uniform Resource Identifier (URI): Generic SyntaxT. Berners-Lee, R. Fielding, L. Masinter | Internet Standard | January 2005 |
| 4007 | IPv6 Scoped Address ArchitectureS. Deering, B. Haberman, T. Jinmei, E. Nordmark, B. Zill | Proposed Standard | March 2005 |
| 4290 | Suggested Practices for Registration of Internationalized Domain Names (IDN)J. Klensin | Informational | December 2005 |
| 4291 | IP Version 6 Addressing ArchitectureR. Hinden, S. Deering | Draft Standard | February 2006 |
| 4632 | Classless Inter-domain Routing (CIDR): The Internet Address Assignment and Aggregation PlanV. Fuller, T. Li | Best Current Practice | August 2006 |
| 4918 | HTTP Extensions for Web Distributed Authoring and Versioning (WebDAV)L. Dusseault, Ed. | Proposed Standard | June 2007 |
| 5396 | Textual Representation of Autonomous System (AS) NumbersG. Huston, G. Michaelson | Proposed Standard | December 2008 |
| 5730 | Extensible Provisioning Protocol (EPP)S. Hollenbeck | Internet Standard | August 2009 |
| 5733 | Extensible Provisioning Protocol (EPP) Contact MappingS. Hollenbeck | Internet Standard | August 2009 |
| 5890 | Internationalized Domain Names for Applications (IDNA): Definitions and Document FrameworkJ. Klensin | Proposed Standard | August 2010 |
| 5891 | Internationalized Domain Names in Applications (IDNA): ProtocolJ. Klensin | Proposed Standard | August 2010 |
| 5952 | A Recommendation for IPv6 Address Text RepresentationS. Kawamura, M. Kawashima | Proposed Standard | August 2010 |
| 6874 | Representing IPv6 Zone Identifiers in Address Literals and Uniform Resource IdentifiersB. Carpenter, S. Cheshire, R. Hinden · obsoleted by RFC 9844 | Proposed Standard | February 2013 |
| 6927 | Variants in Second-Level Names Registered in Top-Level DomainsJ. Levine, P. Hoffman | Informational | May 2013 |
| 7230 | Hypertext Transfer Protocol (HTTP/1.1): Message Syntax and RoutingR. Fielding, Ed., J. Reschke, Ed. · obsoleted by RFC 9110, RFC 9112 | Proposed Standard | June 2014 |
| 7231 | Hypertext Transfer Protocol (HTTP/1.1): Semantics and ContentR. Fielding, Ed., J. Reschke, Ed. · obsoleted by RFC 9110 | Proposed Standard | June 2014 |
| 7480 | HTTP Usage in the Registration Data Access Protocol (RDAP)A. Newton, B. Ellacott, N. Kong | Internet Standard | March 2015 |
| 7481 | Security Services for the Registration Data Access Protocol (RDAP)S. Hollenbeck, N. Kong | Internet Standard | March 2015 |
| 7482 | Registration Data Access Protocol (RDAP) Query FormatA. Newton, S. Hollenbeck · obsoleted by RFC 9082 | Proposed Standard | March 2015 |
| 7483 | JSON Responses for the Registration Data Access Protocol (RDAP)A. Newton, S. Hollenbeck · obsoleted by RFC 9083 | Proposed Standard | March 2015 |
| 7484 | Finding the Authoritative Registration Data (RDAP) ServiceM. Blanchet · obsoleted by RFC 9224 | Proposed Standard | March 2015 |
| 7841 | RFC Streams, Headers, and BoilerplatesJ. Halpern, Ed., L. Daigle, Ed., O. Kolkman, Ed. | Informational | May 2016 |
| 8174 | Ambiguity of Uppercase vs Lowercase in RFC 2119 Key WordsB. Leiba | Best Current Practice | May 2017 |
| 8499 | DNS TerminologyP. Hoffman, A. Sullivan, K. Fujiwara · obsoleted by RFC 9499 | Best Current Practice | January 2019 |
| 8521 | Registration Data Access Protocol (RDAP) Object TaggingS. Hollenbeck, A. Newton | Best Current Practice | November 2018 |
| 9083 | JSON Responses for the Registration Data Access Protocol (RDAP)S. Hollenbeck, A. Newton | Internet Standard | June 2021 |