| 1034 | Domain names - concepts and facilitiesP. Mockapetris | Internet Standard | November 1987 |
| 1035 | Domain names - implementation and specificationP. Mockapetris | Internet Standard | November 1987 |
| 3552 | Guidelines for Writing RFC Text on Security ConsiderationsE. Rescorla, B. Korver | Best Current Practice | July 2003 |
| 4033 | DNS Security Introduction and RequirementsR. Arends, R. Austein, M. Larson, D. Massey, S. Rose | Proposed Standard | March 2005 |
| 4470 | Minimally Covering NSEC Records and DNSSEC On-line SigningS. Weiler, J. Ihren | Proposed Standard | April 2006 |
| 5155 | DNS Security (DNSSEC) Hashed Authenticated Denial of ExistenceB. Laurie, G. Sisson, R. Arends, D. Blacka | Proposed Standard | March 2008 |
| 5936 | DNS Zone Transfer Protocol (AXFR)E. Lewis, A. Hoenes, Ed. | Proposed Standard | June 2010 |
| 6269 | Issues with IP Address SharingM. Ford, Ed., M. Boucadair, A. Durand, P. Levis, P. Roberts | Informational | June 2011 |
| 6891 | Extension Mechanisms for DNS (EDNS(0))J. Damas, M. Graff, P. Vixie | Internet Standard | April 2013 |
| 6973 | Privacy Considerations for Internet ProtocolsA. Cooper, H. Tschofenig, B. Aboba, J. Peterson, J. Morris, M. Hansen, R. Smith | Informational | July 2013 |
| 7258 | Pervasive Monitoring Is an AttackS. Farrell, H. Tschofenig | Best Current Practice | May 2014 |
| 7413 | TCP Fast OpenY. Cheng, J. Chu, S. Radhakrishnan, A. Jain | Experimental | December 2014 |
| 7525 | Recommendations for Secure Use of Transport Layer Security (TLS) and Datagram Transport Layer Security (DTLS)Y. Sheffer, R. Holz, P. Saint-Andre · obsoleted by RFC 9325 | Best Current Practice | May 2015 |
| 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 |
| 7721 | Security and Privacy Considerations for IPv6 Address Generation MechanismsA. Cooper, F. Gont, D. Thaler | Informational | March 2016 |
| 7754 | Technical Considerations for Internet Service Blocking and FilteringR. Barnes, A. Cooper, O. Kolkman, D. Thaler, E. Nordmark | Informational | March 2016 |
| 7816 | DNS Query Name Minimisation to Improve PrivacyS. Bortzmeyer · obsoleted by RFC 9156 | Experimental | March 2016 |
| 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 |
| 7871 | Client Subnet in DNS QueriesC. Contavalli, W. van der Gaast, D. Lawrence, W. Kumari | Informational | May 2016 |
| 7873 | Domain Name System (DNS) CookiesD. Eastlake 3rd, M. Andrews | Proposed Standard | May 2016 |
| 7929 | DNS-Based Authentication of Named Entities (DANE) Bindings for OpenPGPP. Wouters | Experimental | August 2016 |
| 8446 | The Transport Layer Security (TLS) Protocol Version 1.3E. Rescorla · obsoleted by RFC 9846 | Proposed Standard | August 2018 |
| 8484 | DNS Queries over HTTPS (DoH)P. Hoffman, P. McManus | Proposed Standard | October 2018 |
| 8499 | DNS TerminologyP. Hoffman, A. Sullivan, K. Fujiwara · obsoleted by RFC 9499 | Best Current Practice | January 2019 |
| 8744 | Issues and Requirements for Server Name Identification (SNI) Encryption in TLSC. Huitema | Informational | July 2020 |
| 8890 | The Internet is for End UsersM. Nottingham | Informational | August 2020 |
| 8932 | Recommendations for DNS Privacy Service OperatorsS. Dickinson, B. Overeinder, R. van Rijswijk-Deij, A. Mankin | Best Current Practice | October 2020 |
| 9000 | QUIC: A UDP-Based Multiplexed and Secure TransportJ. Iyengar, Ed., M. Thomson, Ed. | Proposed Standard | May 2021 |