DNS Caching? - ReadList.com

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DNS Caching?
\ Jay Chandler (13 Mar 2008)
. \ Victor Duchovni (13 Mar 2008)

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Subject:	DNS Caching?
Group:	Postfix-users
From:	Jay Chandler
Date:	13 Mar 2008

Howdy.

Does Postfix cache DNS queries? If so, how is this governed?

The big issue is "If I pick a cname as a relayhost, is it going to cache
that lookup for a time, or is it going to slam the DNS server with one
request per message?"

--
Jay Chandler / KB1JWQ
Living Legend / Systems Exorcist
Today's Excuse: pseudo-user on a pseudo-terminal