On Sun, 21 Sep 2003, Daniel Roesen wrote: > On Sun, Sep 21, 2003 at 10:08:27AM +0000, Stephen J. Wilcox wrote: > > What if you change the behaviour of the GTLD named daemons to return > > an NXDOMAIN response to any MX queries on non-existent domains, you > > will then take this whole debate on SMTP out of the equation ... > > MTAs fall back to the A RR if there are no MX RRs for a given > recipient domain.
That was my understanding but on checking with Paul he said that NXDOMAIN means dont do further checks so dont look for A... Steve
