Wildcarding an Entire Domain

[Jim Reid]

>>>>> "Rainer" == Rainer Ginsberg <rainer.ginsberg at de.bosch.com> writes:

    >> I'd like to be able to CNAME an entire domain, including
    >> subnets, such that *.foo.com -> *.bar.com for any host.

    Rainer> Isn't this exactly what DNAME is for?

Not *exactly*, though it can be used for this. DNAME records are
supposed to be used for resolving chains of A6 records. However there
are not too many name servers that support DNAME. IIUC the only
available implementation that understands DNAME records is BIND9.