child zones and MX records

[Terrence Koeman]

[SOA and NS stuff]

@    IN    MX    50    mailie.tio.nl
@    IN    MX    100   fallback.....

maile   IN    A   213.53........
        IN    MX  50    mailie.tio.nl
        IN    MX  100   mailie.tio.nl
mail    IN    A   213.53........ ;CNAME is allowed here, but you better not
use it in mail related records...

mailie.student    IN    A    213.53......
student           IN    MX    50    mailie.student.tio.nl
student           IN    MX    100   mailie.student.tio.nl
                  IN    MX    50    mailie.student.tio.nl ;if you need it
                  IN    MX    100   mailie.student.tio.nl ;if you need it
mail              IN    A    213.53........ ;CNAME is allowed here, but you
better not use it in mail related records...

Regards,

Terrence Koeman

-----Original Message-----
From: bind-users-bounce at isc.org [mailto:bind-users-bounce at isc.org]On
Behalf Of Bonno Bloksma
Sent: Saturday, September 08, 2001 17:38
To: comp-protocols-dns-bind at moderators.isc.org
Subject: child zones and MX records


Hi,

If you see this message twice then my previous posting finally got send as
well. And if you see it for a third time I'm realy sorry but the other news
server seems to have a problem with outbound mail to this group.


Our school has it's own domain tio.nl. I have MX etc records set up
correctly fot that. However I have 3 subzones called student.tio.nl,
docent.tio.nl and test.tio.nl. I allready have A records for the mailservers
and even MX records for addresses like the postmaster that have the
mailserver name in the e-mail adres. But how do I set up the MX records for
the subzones themself. There is no corresponding name I can find. As all
mailservers are different servers (with names that look similar) I can not
use a wildcard MX record. The way I had it until now:

[SOA and NS stuff]

@    IN    MX    50    mailie.tio.nl
        IN    MX    100    fallback.....

maile    IN    A    213.53........
        IN    MX 50 mailie.tio.nl
        IN    MX 100    mailie.tio.nl
mail    IN    CNAME    mailie.tio.nl

mailie.student    IN    A    213.53......
        IN    MX    50    mailie.student.tio.nl
        IN    MX    100    mailie.student.tio.nl
mail    IN    CNAME    mailie.student.tio.nl

similar records exist for docent.tio.nl and test.tio.nl. But as you can see
there is no MX record for an e-mail like me at student.tio.nl only for
me at mailie.student.tio.nl.

How do I set up an MX record for the student.tio.nl zone? Don't tell me it's
as simpel as:

student    IN    MX 50 mailie.student.tio.nl
                IN    MX 100 fallback.......

And how about:

student    IN    TXT    "subzone for students"
        IN    MX    50    mailie.student.tio.nl
        IN    MX    100    mailie.student.tio.nl

would that work as well?