| Y = Comprehensively Implemented, to the point appropriate for resolved | |
| D = Comprehensively Implemented, by a dependency of resolved | |
| ! = Missing and something we might want to implement | |
| ~ = Needs no explicit support or doesn't apply | |
| ? = Is this relevant today? | |
| = We are working on this | |
| Y https://tools.ietf.org/html/rfc1034 → DOMAIN NAMES - CONCEPTS AND FACILITIES | |
| Y https://tools.ietf.org/html/rfc1035 → DOMAIN NAMES - IMPLEMENTATION AND SPECIFICATION | |
| ? https://tools.ietf.org/html/rfc1101 → DNS Encoding of Network Names and Other Types | |
| Y https://tools.ietf.org/html/rfc1123 → Requirements for Internet Hosts — Application and Support | |
| ~ https://tools.ietf.org/html/rfc1464 → Using the Domain Name System To Store Arbitrary String Attributes | |
| Y https://tools.ietf.org/html/rfc1536 → Common DNS Implementation Errors and Suggested Fixes | |
| Y https://tools.ietf.org/html/rfc1876 → A Means for Expressing Location Information in the Domain Name System | |
| Y https://tools.ietf.org/html/rfc2181 → Clarifications to the DNS Specification | |
| Y https://tools.ietf.org/html/rfc2308 → Negative Caching of DNS Queries (DNS NCACHE) | |
| Y https://tools.ietf.org/html/rfc2782 → A DNS RR for specifying the location of services (DNS SRV) | |
| D https://tools.ietf.org/html/rfc3492 → Punycode: A Bootstring encoding of Unicode for Internationalized Domain Names in Applications (IDNA) | |
| Y https://tools.ietf.org/html/rfc3596 → DNS Extensions to Support IP Version 6 | |
| Y https://tools.ietf.org/html/rfc3597 → Handling of Unknown DNS Resource Record (RR) Types | |
| Y https://tools.ietf.org/html/rfc4033 → DNS Security Introduction and Requirements | |
| Y https://tools.ietf.org/html/rfc4034 → Resource Records for the DNS Security Extensions | |
| Y https://tools.ietf.org/html/rfc4035 → Protocol Modifications for the DNS Security Extensions | |
| ! https://tools.ietf.org/html/rfc4183 → A Suggested Scheme for DNS Resolution of Networks and Gateways | |
| Y https://tools.ietf.org/html/rfc4255 → Using DNS to Securely Publish Secure Shell (SSH) Key Fingerprints | |
| Y https://tools.ietf.org/html/rfc4343 → Domain Name System (DNS) Case Insensitivity Clarification | |
| ~ https://tools.ietf.org/html/rfc4470 → Minimally Covering NSEC Records and DNSSEC On-line Signing | |
| Y https://tools.ietf.org/html/rfc4501 → Domain Name System Uniform Resource Identifiers | |
| Y https://tools.ietf.org/html/rfc4509 → Use of SHA-256 in DNSSEC Delegation Signer (DS) Resource Records (RRs) | |
| ~ https://tools.ietf.org/html/rfc4592 → The Role of Wildcards in the Domain Name System | |
| ~ https://tools.ietf.org/html/rfc4697 → Observed DNS Resolution Misbehavior | |
| Y https://tools.ietf.org/html/rfc4795 → Link-Local Multicast Name Resolution (LLMNR) | |
| Y https://tools.ietf.org/html/rfc5011 → Automated Updates of DNS Security (DNSSEC) Trust Anchors | |
| Y https://tools.ietf.org/html/rfc5155 → DNS Security (DNSSEC) Hashed Authenticated Denial of Existence | |
| Y https://tools.ietf.org/html/rfc5452 → Measures for Making DNS More Resilient against Forged Answers | |
| Y https://tools.ietf.org/html/rfc5702 → Use of SHA-2 Algorithms with RSA in DNSKEY and RRSIG Resource Records for DNSSEC | |
| Y https://tools.ietf.org/html/rfc5890 → Internationalized Domain Names for Applications (IDNA): Definitions and Document Framework | |
| Y https://tools.ietf.org/html/rfc5891 → Internationalized Domain Names in Applications (IDNA): Protocol | |
| Y https://tools.ietf.org/html/rfc5966 → DNS Transport over TCP - Implementation Requirements | |
| Y https://tools.ietf.org/html/rfc6303 → Locally Served DNS Zones | |
| Y https://tools.ietf.org/html/rfc6604 → xNAME RCODE and Status Bits Clarification | |
| Y https://tools.ietf.org/html/rfc6605 → Elliptic Curve Digital Signature Algorithm (DSA) for DNSSEC | |
| https://tools.ietf.org/html/rfc6672 → DNAME Redirection in the DNS | |
| ! https://tools.ietf.org/html/rfc6731 → Improved Recursive DNS Server Selection for Multi-Interfaced Nodes | |
| Y https://tools.ietf.org/html/rfc6761 → Special-Use Domain Names | |
| https://tools.ietf.org/html/rfc6762 → Multicast DNS | |
| https://tools.ietf.org/html/rfc6763 → DNS-Based Service Discovery | |
| ~ https://tools.ietf.org/html/rfc6781 → DNSSEC Operational Practices, Version 2 | |
| Y https://tools.ietf.org/html/rfc6840 → Clarifications and Implementation Notes for DNS Security (DNSSEC) | |
| Y https://tools.ietf.org/html/rfc6891 → Extension Mechanisms for DNS (EDNS(0)) | |
| Y https://tools.ietf.org/html/rfc6944 → Applicability Statement: DNS Security (DNSSEC) DNSKEY Algorithm Implementation Status | |
| Y https://tools.ietf.org/html/rfc6975 → Signaling Cryptographic Algorithm Understanding in DNS Security Extensions (DNSSEC) | |
| Y https://tools.ietf.org/html/rfc7129 → Authenticated Denial of Existence in the DNS | |
| Y https://tools.ietf.org/html/rfc7646 → Definition and Use of DNSSEC Negative Trust Anchors | |
| ~ https://tools.ietf.org/html/rfc7719 → DNS Terminology | |
| Y https://tools.ietf.org/html/rfc8080 → Edwards-Curve Digital Security Algorithm (EdDSA) for DNSSEC | |
| Also relevant: | |
| https://www.iab.org/documents/correspondence-reports-documents/2013-2/iab-statement-dotless-domains-considered-harmful/ |