RFC 2540 · EXPERIMENTAL · 1999
SUN · 14 JUN 2026
Detached Domain Name System Information
Overview
RFC 2540, “Detached Domain Name System Information”, is an Experimental document published in March 1999 by D. Eastlake 3rd. The canonical text is published by the RFC Editor.
Abstract
A standard format is defined for representing detached DNS information. This is anticipated to be of use for storing information retrieved from the Domain Name System (DNS), including security information, in archival contexts or contexts not connected to the Internet. This memo defines an Experimental Protocol for the Internet community.
What “Experimental” means
Describes a specification that is part of a research or development effort, published so the community can gain experience with it.
Read this RFC
The canonical text of RFC 2540 is hosted at rfc-editor.org. Available in TXT,HTML.
Other RFCs from 1999
- RFC 2539 Storage of Diffie-Hellman Keys in the Domain Name System
- RFC 2541 DNS Security Operational Considerations
- RFC 2538 Storing Certificates in the Domain Name System
- RFC 2542 Terminology and Goals for Internet Fax
- RFC 2537 RSA/MD5 KEYs and SIGs in the Domain Name System
- RFC 2543 SIP: Session Initiation Protocol
- RFC 2536 DSA KEYs and SIGs in the Domain Name System
- RFC 2544 Benchmarking Methodology for Network Interconnect Devices