Virtual domains & BIND configutation

Discussion in 'Server Operation' started by thavaht, Nov 7, 2009.

  1. thavaht

    thavaht New Member

    Hi all,

    Need a help configuring BIND.
    I’ve setup a new server (let’s say, named: doc. my_site.ac.mz) following a “virtual users and domain howto” and it works fine.

    In my organization, a educational organization, there is a mail server running and configured to accept mails for the domain (my_site.ac.mz).

    What is intended is to have two subdomains one for students and other for other people (e.g. doc.my_site.ac.mz and stu.my_site.ac.mz) with virtual users such as [email protected]_site.ac.mz, [email protected]_site.ac.mz, [email protected]_site.ac.mz, etc., and to have the new server accepting mail for these subdomains.

    My questions is how to proper configure BIND so that email to [email protected]_site.ac.mz,..., [email protected]_site.ac.mz will be delivered to the new server?

    So far the zone I’ve set up looks like follows:

    Code:
    $TTL 14400
    @      86400    IN      SOA     tels.my_site.ac.mz. hostmaster.my_site.ac.mz. (
                    2009101501      ; serial, todays date+todays
                    86400           ; refresh, seconds
                    7200            ; retry, seconds
                    3600000         ; expire, seconds
                    86400 )         ; minimum, seconds
    my_site.ac.mz. 86400 IN NS tels.my_site.ac.mz.
    my_site.ac.mz. 86400 IN NS ns2.my_site.ac.mz.
    tels                    IN A 196.28.228.224
    ns2			    IN A 196.28.228.223
    my_site.ac.mz. IN A 196.28.228.223
    localhost.my_site.ac.mz. IN A 127.0.0.1
    my_site.ac.mz. IN MX 10 mail.my_site.ac.mz.
    mail        IN A 196.28.228.223
    www         IN CNAME mail.my_site.ac.mz.
    ftp         IN CNAME mail.my_site.ac.mz.
    So I think adding the following lines :
    Code:
    doc.my_site.ac.mz. 86400 IN NS tels.my_site.ac.mz.
    stu.my_site.ac.mz. 86400 IN NS tels.my_site.ac.mz.
    
    doc.my_site.ac.mz. 	IN A 196.28.230.99
    stu.my_site.ac.mz. 	IN A 196.28.230.99
    
    doc.my_site.ac.mz. 	IN MX 10 doc.my_site.ac.mz.
    stu.my_site.ac.mz. 	IN MX 10 doc.my_site.ac.mz.
    
    Is that a valid configuration?
    TIA,
    thavaht
     
  2. falko

    falko Super Moderator ISPConfig Developer

    You just need

    Code:
    doc.my_site.ac.mz. 	IN A 196.28.230.99
    stu.my_site.ac.mz. 	IN A 196.28.230.99
    
    doc.my_site.ac.mz. 	IN MX 10 doc.my_site.ac.mz.
    stu.my_site.ac.mz. 	IN MX 10 doc.my_site.ac.mz.
    But if emails for stu.my_site.ac.mz should be deliered to a different server, the MX record for stu.my_site.ac.mz must point to that other server.
     
  3. thavaht

    thavaht New Member

    Thanks for replying.
    Another question I’m facing now is about the reverse zones:

    Since I’m using IP’s on 196.28.228.XXX and 196.28.230.XXX, is that legal to create two reverse zones, 228.28.196.in-addr.arpa and 230.28.196.in-addr.arpa?
     
    Last edited: Nov 8, 2009
  4. falko

    falko Super Moderator ISPConfig Developer

    Yes, but usually your ISP that gave you the IPs create the reverse records for you. I'd ask them if they can do it for you.
     

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