On Thu, Jan 10, 2008 at 04:48:36PM +0100, Stephane Bortzmeyer wrote:
> On Thu, Jan 10, 2008 at 04:07:58PM +0100,
>  Shane Kerr <[EMAIL PROTECTED]> wrote 
>  a message of 26 lines which said:
> >  The IP address of the Mail eXchanger can't be resolved
> > 
> >     * The MX representing the host name doesn't
> >       have an IP address.
> Please give the context (Zonecheck indicates the name/address of the
> name server it tested).

The lines are (after telling Zonecheck to continue on failure):


This is for my own domain,, which uses the as an MX backup (should be obvious from the

None of these servers know anything about, so
there is no reason they should resolve an IP address (unless they are
running as open resolvers, which I am pretty sure they are not).

> > Yet it really does have an IP address:
> >
> >   $ host
> > has address
> From the point of view of your default resolver, yes, may be not
> from others.

"dig +trace" seems to indicate all is well, but 
it is impossible to tell of course...


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