RFC 7720 · BEST CURRENT PRACTICE · 2015
MON · 14 SEP 2026
DNS Root Name Service Protocol and Deployment Requirements
Overview
RFC 7720, “DNS Root Name Service Protocol and Deployment Requirements”, is a Best Current Practice document published in December 2015 by M. Blanchet, L-J. Liman. It obsoletes RFC 2870. The canonical text is published by the RFC Editor.
Abstract
The DNS root name service is a critical part of the Internet architecture. The protocol and deployment requirements for the DNS root name service are defined in this document. Operational requirements are out of scope.
What “Best Current Practice” means
Documents the IETF community's recommended operational or procedural practice rather than a protocol specification.
Read this RFC
The canonical text of RFC 7720 is hosted at rfc-editor.org. Available in TXT,HTML.
Relationships to other RFCs
Other RFCs from 2015
- RFC 7719 DNS Terminology
- RFC 7718 Registries for the One-Way Active Measurement Protocol
- RFC 7722 Multi-Topology Extension for the Optimized Link State Routing Protocol Version 2
- RFC 7717 IKEv2-Derived Shared Secret Key for the One-Way Active Measurement Protocol and Two-Way Active Measurement Protocol
- RFC 7716 Global Table Multicast with BGP Multicast VPN Procedures
- RFC 7724 Active DHCPv4 Lease Query
- RFC 7714 AES-GCM Authenticated Encryption in the Secure Real-time Transport Protocol
- RFC 7713 Congestion Exposure Concepts, Abstract Mechanism, and Requirements