> domain.com. IN A 10.0.0.1 > sub IN A 10.0.0.1 > > $ORIGIN sub.domain.com > www IN A 10.0.0.1 > > having sub as a CNAME for domain.com and then using it as a subdomain is a > "Bad Thing (tm)" use all A records. > What else is a "bad thing" ? Is it for example a bad thing to have cname as mx record? in mx mail mail in cname mail.whatever.com Arvinn