RFC 1591 · INFORMATIONAL · 1994
MON · 14 SEP 2026
Domain Name System Structure and Delegation
Overview
RFC 1591, “Domain Name System Structure and Delegation”, is an Informational document published in March 1994 by J. Postel. The canonical text is published by the RFC Editor.
Abstract
This memo provides some information on the structure of the names in the Domain Name System (DNS), specifically the top-level domain names; and on the administration of domains. This memo provides information for the Internet community. This memo does not specify an Internet standard of any kind.
What “Informational” means
Published for the general information of the community. It does not define an IETF standard and carries no standards-track status.
Read this RFC
The canonical text of RFC 1591 is hosted at rfc-editor.org. Available in TXT,HTML.
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