| 1035 | Domain names - implementation and specificationP. Mockapetris | Internet Standard | November 1987 |
| 1918 | Address Allocation for Private InternetsY. Rekhter, B. Moskowitz, D. Karrenberg, G. J. de Groot, E. Lear | Best Current Practice | February 1996 |
| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 2317 | Classless IN-ADDR.ARPA delegationH. Eidnes, G. de Groot, P. Vixie | Best Current Practice | March 1998 |
| 2818 | HTTP Over TLSE. Rescorla · obsoleted by RFC 9110 | Informational | May 2000 |
| 3403 | Dynamic Delegation Discovery System (DDDS) Part Three: The Domain Name System (DNS) DatabaseM. Mealling | Proposed Standard | October 2002 |
| 3596 | DNS Extensions to Support IP Version 6S. Thomson, C. Huitema, V. Ksinant, M. Souissi | Internet Standard | October 2003 |
| 4033 | DNS Security Introduction and RequirementsR. Arends, R. Austein, M. Larson, D. Massey, S. Rose | Proposed Standard | March 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 |
| 4848 | Domain-Based Application Service Location Using URIs and the Dynamic Delegation Discovery Service (DDDS)L. Daigle | Proposed Standard | April 2007 |
| 5389 | Session Traversal Utilities for NAT (STUN)J. Rosenberg, R. Mahy, P. Matthews, D. Wing · obsoleted by RFC 8489 | Proposed Standard | October 2008 |
| 5693 | Application-Layer Traffic Optimization (ALTO) Problem StatementJ. Seedorf, E. Burger | Informational | October 2009 |
| 6708 | Application-Layer Traffic Optimization (ALTO) RequirementsS. Kiesel, Ed., S. Previdi, M. Stiemerling, R. Woundy, Y. Yang | Informational | September 2012 |
| 7216 | Location Information Server (LIS) Discovery Using IP Addresses and Reverse DNSM. Thomson, R. Bellis | Proposed Standard | April 2014 |
| 7285 | Application-Layer Traffic Optimization (ALTO) ProtocolR. Alimi, Ed., R. Penno, Ed., Y. Yang, Ed., S. Kiesel, S. Previdi, W. Roome, S. Shalunov, R. Woundy | Proposed Standard | September 2014 |
| 7286 | Application-Layer Traffic Optimization (ALTO) Server DiscoveryS. Kiesel, M. Stiemerling, N. Schwan, M. Scharf, H. Song | Proposed Standard | November 2014 |
| 7624 | Confidentiality in the Face of Pervasive Surveillance: A Threat Model and Problem StatementR. Barnes, B. Schneier, C. Jennings, T. Hardie, B. Trammell, C. Huitema, D. Borkmann | Informational | August 2015 |
| 7626 | DNS Privacy ConsiderationsS. Bortzmeyer · obsoleted by RFC 9076 | Informational | August 2015 |
| 7841 | RFC Streams, Headers, and BoilerplatesJ. Halpern, Ed., L. Daigle, Ed., O. Kolkman, Ed. | Informational | May 2016 |
| 7858 | Specification for DNS over Transport Layer Security (TLS)Z. Hu, L. Zhu, J. Heidemann, A. Mankin, D. Wessels, P. Hoffman | Proposed Standard | May 2016 |
| 7971 | Application-Layer Traffic Optimization (ALTO) Deployment ConsiderationsM. Stiemerling, S. Kiesel, M. Scharf, H. Seidel, S. Previdi | Informational | October 2016 |
| 8174 | Ambiguity of Uppercase vs Lowercase in RFC 2119 Key WordsB. Leiba | Best Current Practice | May 2017 |
| 8484 | DNS Queries over HTTPS (DoH)P. Hoffman, P. McManus | Proposed Standard | October 2018 |