| 768 | User Datagram ProtocolJ. Postel | Internet Standard | August 1980 |
| 793 | Transmission Control ProtocolJ. Postel · obsoleted by RFC 9293 | Internet Standard | September 1981 |
| 883 | Domain names: Implementation specificationP. Mockapetris · obsoleted by RFC 1034, RFC 1035 | Unknown | November 1983 |
| 1034 | Domain names - concepts and facilitiesP. Mockapetris | Internet Standard | November 1987 |
| 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 |
| 1536 | Common DNS Implementation Errors and Suggested FixesA. Kumar, J. Postel, C. Neuman, P. Danzig, S. Miller | Informational | October 1993 |
| 1995 | Incremental Zone Transfer in DNSM. Ohta | Proposed Standard | August 1996 |
| 1996 | A Mechanism for Prompt Notification of Zone Changes (DNS NOTIFY)P. Vixie | Proposed Standard | August 1996 |
| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 2136 | Dynamic Updates in the Domain Name System (DNS UPDATE)P. Vixie, Ed., S. Thomson, Y. Rekhter, J. Bound | Proposed Standard | April 1997 |
| 2181 | Clarifications to the DNS SpecificationR. Elz, R. Bush | Proposed Standard | July 1997 |
| 2541 | DNS Security Operational ConsiderationsD. Eastlake 3rd · obsoleted by RFC 4641 | Informational | March 1999 |
| 2671 | Extension Mechanisms for DNS (EDNS0)P. Vixie · obsoleted by RFC 6891 | Proposed Standard | August 1999 |
| 2694 | DNS extensions to Network Address Translators (DNS_ALG)P. Srisuresh, G. Tsirtsis, P. Akkiraju, A. Heffernan | Informational | September 1999 |
| 3022 | Traditional IP Network Address Translator (Traditional NAT)P. Srisuresh, K. Egevang | Informational | January 2001 |
| 3225 | Indicating Resolver Support of DNSSECD. Conrad | Proposed Standard | December 2001 |
| 3226 | DNSSEC and IPv6 A6 aware server/resolver message size requirementsO. Gudmundsson | Proposed Standard | December 2001 |
| 4472 | Operational Considerations and Issues with IPv6 DNSA. Durand, J. Ihren, P. Savola | Informational | April 2006 |
| 4953 | Defending TCP Against Spoofing AttacksJ. Touch | Informational | July 2007 |
| 4987 | TCP SYN Flooding Attacks and Common MitigationsW. Eddy | Informational | August 2007 |
| 5358 | Preventing Use of Recursive Nameservers in Reflector AttacksJ. Damas, F. Neves | Best Current Practice | October 2008 |
| 5452 | Measures for Making DNS More Resilient against Forged AnswersA. Hubert, R. van Mook | Proposed Standard | January 2009 |
| 5507 | Design Choices When Expanding the DNSIAB, P. Faltstrom, Ed., R. Austein, Ed., P. Koch, Ed. | Informational | April 2009 |
| 5625 | DNS Proxy Implementation GuidelinesR. Bellis | Best Current Practice | August 2009 |
| 5927 | ICMP Attacks against TCPF. Gont | Informational | July 2010 |
| 5936 | DNS Zone Transfer Protocol (AXFR)E. Lewis, A. Hoenes, Ed. | Proposed Standard | June 2010 |
| 5961 | Improving TCP's Robustness to Blind In-Window AttacksA. Ramaiah, R. Stewart, M. Dalal | Proposed Standard | August 2010 |
| 5966 | DNS Transport over TCP - Implementation RequirementsR. Bellis · obsoleted by RFC 7766 | Proposed Standard | August 2010 |
| 6298 | Computing TCP's Retransmission TimerV. Paxson, M. Allman, J. Chu, M. Sargent | Proposed Standard | June 2011 |
| 6762 | Multicast DNSS. Cheshire, M. Krochmal | Proposed Standard | February 2013 |
| 6781 | DNSSEC Operational Practices, Version 2O. Kolkman, W. Mekking, R. Gieben | Informational | December 2012 |
| 6891 | Extension Mechanisms for DNS (EDNS(0))J. Damas, M. Graff, P. Vixie | Internet Standard | April 2013 |
| 6950 | Architectural Considerations on Application Features in the DNSJ. Peterson, O. Kolkman, H. Tschofenig, B. Aboba | Informational | October 2013 |
| 7413 | TCP Fast OpenY. Cheng, J. Chu, S. Radhakrishnan, A. Jain | Experimental | December 2014 |
| 7477 | Child-to-Parent Synchronization in DNSW. Hardaker | Proposed Standard | March 2015 |
| 7534 | AS112 Nameserver OperationsJ. Abley, W. Sotomayor | Informational | May 2015 |
| 7720 | DNS Root Name Service Protocol and Deployment RequirementsM. Blanchet, L-J. Liman | Best Current Practice | December 2015 |
| 7766 | DNS Transport over TCP - Implementation RequirementsJ. Dickinson, S. Dickinson, R. Bellis, A. Mankin, D. Wessels | Proposed Standard | March 2016 |
| 7828 | The edns-tcp-keepalive EDNS0 OptionP. Wouters, J. Abley, S. Dickinson, R. Bellis | Proposed Standard | April 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 |
| 7873 | Domain Name System (DNS) CookiesD. Eastlake 3rd, M. Andrews | Proposed Standard | May 2016 |
| 7901 | CHAIN Query Requests in DNSP. Wouters | Experimental | June 2016 |
| 7918 | Transport Layer Security (TLS) False StartA. Langley, N. Modadugu, B. Moeller | Informational | August 2016 |
| 8027 | DNSSEC Roadblock AvoidanceW. Hardaker, O. Gudmundsson, S. Krishnaswamy | Best Current Practice | November 2016 |
| 8094 | DNS over Datagram Transport Layer Security (DTLS)T. Reddy, D. Wing, P. Patil | Experimental | February 2017 |
| 8162 | Using Secure DNS to Associate Certificates with Domain Names for S/MIMEP. Hoffman, J. Schlyter | Experimental | May 2017 |
| 8174 | Ambiguity of Uppercase vs Lowercase in RFC 2119 Key WordsB. Leiba | Best Current Practice | May 2017 |
| 8200 | Internet Protocol, Version 6 (IPv6) SpecificationS. Deering, R. Hinden | Internet Standard | July 2017 |
| 8324 | DNS Privacy, Authorization, Special Uses, Encoding, Characters, Matching, and Root Structure: Time for Another Look?J. Klensin | Informational | February 2018 |
| 8446 | The Transport Layer Security (TLS) Protocol Version 1.3E. Rescorla · obsoleted by RFC 9846 | Proposed Standard | August 2018 |
| 8467 | Padding Policies for Extension Mechanisms for DNS (EDNS(0))A. Mayrhofer | Experimental | October 2018 |
| 8482 | Providing Minimal-Sized Responses to DNS Queries That Have QTYPE=ANYJ. Abley, O. Gudmundsson, M. Majkowski, E. Hunt | Proposed Standard | January 2019 |
| 8483 | Yeti DNS TestbedL. Song, Ed., D. Liu, P. Vixie, A. Kato, S. Kerr | Informational | October 2018 |
| 8484 | DNS Queries over HTTPS (DoH)P. Hoffman, P. McManus | Proposed Standard | October 2018 |
| 8490 | DNS Stateful OperationsR. Bellis, S. Cheshire, J. Dickinson, S. Dickinson, T. Lemon, T. Pusateri | Proposed Standard | March 2019 |
| 8501 | Reverse DNS in IPv6 for Internet Service ProvidersL. Howard | Informational | November 2018 |
| 8806 | Running a Root Server Local to a ResolverW. Kumari, P. Hoffman | Informational | June 2020 |
| 8906 | A Common Operational Problem in DNS Servers: Failure to CommunicateM. Andrews, R. Bellis | Best Current Practice | September 2020 |
| 8932 | Recommendations for DNS Privacy Service OperatorsS. Dickinson, B. Overeinder, R. van Rijswijk-Deij, A. Mankin | Best Current Practice | October 2020 |
| 8945 | Secret Key Transaction Authentication for DNS (TSIG)F. Dupont, S. Morris, P. Vixie, D. Eastlake 3rd, O. Gudmundsson, B. Wellington | Internet Standard | November 2020 |