| 1034 | Domain names - concepts and facilitiesP. Mockapetris | Internet Standard | November 1987 |
| 1035 | Domain names - implementation and specificationP. Mockapetris | Internet Standard | November 1987 |
| 1150 | FYI on FYI: Introduction to the FYI NotesG.S. Malkin, J.K. Reynolds · obsoleted by RFC 6360 | Historic | March 1990 |
| 1311 | Introduction to the STD NotesJ. Postel | Informational | March 1992 |
| 1818 | Best Current PracticesJ. Postel, T. Li, Y. Rekhter | Historic | August 1995 |
| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 2223 | Instructions to RFC AuthorsJ. Postel, J. Reynolds · obsoleted by RFC 7322 | Informational | October 1997 |
| 2277 | IETF Policy on Character Sets and LanguagesH. Alvestrand | Best Current Practice | January 1998 |
| 2606 | Reserved Top Level DNS NamesD. Eastlake 3rd, A. Panitz | Best Current Practice | June 1999 |
| 2978 | IANA Charset Registration ProceduresN. Freed, J. Postel | Best Current Practice | October 2000 |
| 3080 | The Blocks Extensible Exchange Protocol CoreM. Rose | Proposed Standard | March 2001 |
| 3552 | Guidelines for Writing RFC Text on Security ConsiderationsE. Rescorla, B. Korver | Best Current Practice | July 2003 |
| 3986 | Uniform Resource Identifier (URI): Generic SyntaxT. Berners-Lee, R. Fielding, L. Masinter | Internet Standard | January 2005 |
| 4844 | The RFC Series and RFC EditorL. Daigle, Ed., Internet Architecture Board · obsoleted by RFC 8729 | Informational | July 2007 |
| 5226 | Guidelines for Writing an IANA Considerations Section in RFCsT. Narten, H. Alvestrand · obsoleted by RFC 8126 | Best Current Practice | May 2008 |
| 5741 | RFC Streams, Headers, and BoilerplatesL. Daigle, Ed., O. Kolkman, Ed., IAB · obsoleted by RFC 7841 | Informational | December 2009 |
| 6323 | Sender RTT Estimate Option for the Datagram Congestion Control Protocol (DCCP)G. Renker, G. Fairhurst | Proposed Standard | July 2011 |
| 6360 | Conclusion of FYI RFC Sub-SeriesR. Housley | Informational | August 2011 |
| 6409 | Message Submission for MailR. Gellens, J. Klensin | Internet Standard | November 2011 |
| 6429 | TCP Sender Clarification for Persist ConditionM. Bashyam, M. Jethanandani, A. Ramaiah · obsoleted by RFC 9293 | Informational | December 2011 |
| 6635 | RFC Editor Model (Version 2)O. Kolkman, Ed., J. Halpern, Ed., IAB · obsoleted by RFC 8728 | Informational | June 2012 |