| 1034 | Domain names - concepts and facilitiesP. Mockapetris | Internet Standard | November 1987 |
| 1035 | Domain names - implementation and specificationP. Mockapetris | Internet Standard | November 1987 |
| 1928 | SOCKS Protocol Version 5M. Leech, M. Ganis, Y. Lee, R. Kuris, D. Koblas, L. Jones | Proposed Standard | March 1996 |
| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 2782 | A DNS RR for specifying the location of services (DNS SRV)A. Gulbrandsen, P. Vixie, L. Esibov | Proposed Standard | February 2000 |
| 3629 | UTF-8, a transformation format of ISO 10646F. Yergeau | Internet Standard | November 2003 |
| 3686 | Using Advanced Encryption Standard (AES) Counter Mode With IPsec Encapsulating Security Payload (ESP)R. Housley | Proposed Standard | January 2004 |
| 3826 | The Advanced Encryption Standard (AES) Cipher Algorithm in the SNMP User-based Security ModelU. Blumenthal, F. Maino, K. McCloghrie | Proposed Standard | June 2004 |
| 4033 | DNS Security Introduction and RequirementsR. Arends, R. Austein, M. Larson, D. Massey, S. Rose | Proposed Standard | March 2005 |
| 5237 | IANA Allocation Guidelines for the Protocol FieldJ. Arkko, S. Bradner | Best Current Practice | February 2008 |
| 5869 | HMAC-based Extract-and-Expand Key Derivation Function (HKDF)H. Krawczyk, P. Eronen | Informational | May 2010 |
| 5890 | Internationalized Domain Names for Applications (IDNA): Definitions and Document FrameworkJ. Klensin | Proposed Standard | August 2010 |
| 5895 | Mapping Characters for Internationalized Domain Names in Applications (IDNA) 2008P. Resnick, P. Hoffman | Informational | September 2010 |
| 6066 | Transport Layer Security (TLS) Extensions: Extension DefinitionsD. Eastlake 3rd | Proposed Standard | January 2011 |
| 6234 | US Secure Hash Algorithms (SHA and SHA-based HMAC and HKDF)D. Eastlake 3rd, T. Hansen | Informational | May 2011 |
| 6761 | Special-Use Domain NamesS. Cheshire, M. Krochmal | Proposed Standard | February 2013 |
| 6895 | Domain Name System (DNS) IANA ConsiderationsD. Eastlake 3rd | Best Current Practice | April 2013 |
| 6979 | Deterministic Usage of the Digital Signature Algorithm (DSA) and Elliptic Curve Digital Signature Algorithm (ECDSA)T. Pornin | Informational | August 2013 |
| 7363 | Self-Tuning Distributed Hash Table (DHT) for REsource LOcation And Discovery (RELOAD)J. Maenpaa, G. Camarillo | Proposed Standard | September 2014 |
| 7748 | Elliptic Curves for SecurityA. Langley, M. Hamburg, S. Turner | Informational | January 2016 |
| 7841 | RFC Streams, Headers, and BoilerplatesJ. Halpern, Ed., L. Daigle, Ed., O. Kolkman, Ed. | Informational | May 2016 |
| 8032 | Edwards-Curve Digital Signature Algorithm (EdDSA)S. Josefsson, I. Liusvaara | Informational | January 2017 |
| 8126 | Guidelines for Writing an IANA Considerations Section in RFCsM. Cotton, B. Leiba, T. Narten | Best Current Practice | June 2017 |
| 8174 | Ambiguity of Uppercase vs Lowercase in RFC 2119 Key WordsB. Leiba | Best Current Practice | May 2017 |
| 8244 | Special-Use Domain Names Problem StatementT. Lemon, R. Droms, W. Kumari | Informational | October 2017 |
| 8324 | DNS Privacy, Authorization, Special Uses, Encoding, Characters, Matching, and Root Structure: Time for Another Look?J. Klensin | Informational | February 2018 |
| 8499 | DNS TerminologyP. Hoffman, A. Sullivan, K. Fujiwara · obsoleted by RFC 9499 | Best Current Practice | January 2019 |
| 8806 | Running a Root Server Local to a ResolverW. Kumari, P. Hoffman | Informational | June 2020 |
| 9106 | Argon2 Memory-Hard Function for Password Hashing and Proof-of-Work ApplicationsA. Biryukov, D. Dinu, D. Khovratovich, S. Josefsson | Informational | September 2021 |
| 9476 | The .alt Special-Use Top-Level DomainW. Kumari, P. Hoffman | Proposed Standard | September 2023 |