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Re: [ietf-dkim] TXT Subdomain queries

2007-06-07 01:53:56
Jim Fenton wrote:
Hector Santos wrote:

What are the problems with this type of logic?

Again, the difficulty, if you receive a message from sales.idsg.net, is
knowing where to query.  Is it sales._ssp.idsg.net, or
_ssp.sales.idsg.net?  More complex domain names will result in more
possibilities.

I see.

But why not define it so its always two levels, isdg.net? and let the zone define the rest?

Maybe a solution would be to use the main domain to obtain a record that "instructs" the client to what is the the "main domain?"

Also, if DNS can't handle the representation of complex unions, then why not just go to a TXT result syntax that provides a masking concept and let the client perform this task all in single line? Ala SPF-like directives?

--
Sincerely

Hector Santos, CTO
http://www.santronics.com
http://santronics.blogspot.com

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