Invisible Canonical Name Implementation

Document Type Expired Internet-Draft (individual)
Author Yaoyuan Chen 
Last updated 2020-10-19 (latest revision 2020-04-17)
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


To accomplish the goal that not exposing redundant and unuseful CNAME chains in answers responded to clients, this document describes two new DNS resource records called "IDR" and "ADR" for hiding CNAME iterative process and better safety consideration.


Yaoyuan Chen (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)