Hello,

Stephen and I have spent a bit of time working on a draft to be able to show a 
relationship between two domains.  We're aware this subject has been covered a 
few times previously, especially in the DBOUND drafts, but we're hopeful that a 
more simple approach might be more acceptable.   The secondary domain will 
create a DNS record that shows a link to a primary domain, and the text should 
be able to be validated using the public key in a DNS record the primary domain 
shares.  This is something akin to DKIM, a mechanism that the email world uses 
to ensure the contents of a message have not been tampered with.

https://datatracker.ietf.org/doc/draft-brotman-rdbd/

We'll request that replies relating to this be sent to the [email protected] due 
to the nature of the topic, but it was suggested that we might want to notify a 
few other lists for their awareness.  Thank you for your participation and 
comments.

--
Alex Brotman
Sr. Engineer, Anti-Abuse & Messaging Policy
Comcast

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