where to declare

[Gerard M. Mamou]

Hello
and thank you for the answer.
Your advice is it a recommandation or an obligation?
And why it is working when I declare it in the my.domain file?
Do you mean that a external sendmail is checking the MX record only in
the
bogus.my.domain?
TIA
Gerard Mamou

marka at isc.org a écrit :
> 
> > Hello
> > I have a zone my.domain and a subzone bogus.my.domain
> > I have a Name Server ns.my.domain and ns.bogus.my.doamin (which is the
> > same A, same machine)
> > Where should I declare the MX records for bogus.my.domain
> > in the file of my.domain or in the file of bogus.my.domain????
> 
>         In the zone file for "bogus.my.domain".
> 
>         Mark
> >
> > my.domain SOA ...
> >
> > bogus.my.domain       IN      NS      ns.bogus.my.domain
> > bogus.my.domain IN    MX      mail.bogus.my.domain
> > ..
> > end of db for my.domain
> >
> > or
> >
> > my.domain SOA ...
> > bogus.my.domain       IN      NS      ns.bogus.my.domain
> > ..
> > end of db for my.domain
> >
> > bogus.my.domain SOA ...
> >               IN MX mail.bogus.my.domain
> > end of db for bogus.my.domain
> >
> > Is there any differences??
> > How it is resolved??
> > Which one come first???
> > Which one is better???
> > I have also a slave for my.domain ONLY in my ISP name server
> > Maybe the First method is better in case ns.bogus.my.domain come down
> > the record will be resolved anyway because it is in my.domain file???
> > Any helps?
> > TIA
> > Gerard Mamou
> >
> >
> --
> Mark Andrews, Internet Software Consortium
> 1 Seymour St., Dundas Valley, NSW 2117, Australia
> PHONE: +61 2 9871 4742                 INTERNET: marka at isc.org