> -----Original Message----- > From: centos-bounces at centos.org > [mailto:centos-bounces at centos.org] On Behalf Of John R Pierce > Sent: Monday, August 03, 2009 12:34 > To: CentOS mailing list > Subject: Re: [CentOS] Split dns issues > > Jason Pyeron wrote: > > I like the idea about the cname. Can a cname be used as a > host for a MX record? > > > > CNAME's can only be used for things that only have an A > record. for example, you can't use a CNAME for a domain, > which needs a SOA, A, NS, MX record. Not sure if you are ACKing or NAKing? Pdinc.us mx 1 smtprelay.pdinc.us Smtprelay.pdinc.us cname spamscan.google.com Spamscan.google.com does have an A record, and ought not to have a MX, etc. > > > in general, CNAME's should be avoided except when absolutely > neccessary. -- -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- - - - Jason Pyeron PD Inc. http://www.pdinc.us - - Principal Consultant 10 West 24th Street #100 - - +1 (443) 269-1555 x333 Baltimore, Maryland 21218 - - - -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- This message is copyright PD Inc, subject to license 20080407P00.