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Thread: Split-DNS zone file confusion

  1. #1
    yonatan is offline Special Member
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    Default Split-DNS zone file confusion

    I'm following the wiki Ubuntu 8.04 install guide (Ubuntu 8.04 LTS Server (Hardy Heron) Install Guide - Zimbra :: Wiki) as well as the Spilt-DNS wiki (Split DNS - Zimbra :: Wiki).

    I'm stuck on the zone file creation part. Specifically I am confused how the last few lines should look because both wikis above look different.

    This from from the Ubuntu guide:

    Code:
    ;
    ; BIND data file for mydomain.com
    ;
    $TTL    604800
    @       IN      SOA     mail.mydomain.com. admin.mydomain.com. (
                             070725         ; Serial
                             604800         ; Refresh
                              86400         ; Retry
                            2419200         ; Expire
                             604800 )       ; Negative Cache TTL
    ;
    @       IN      NS      mail
            IN      MX      10 mail
            IN      A       xxx.xxx.xxx.xxx
    mail    IN      A       xxx.xxx.xxx.xxx
    This is the Split-DNS:

    Code:
    ;
    ;       Addresses and other host information.
    ;
    @       IN      SOA     server.example.com. hostmaster.server.example.com. (
                                   10118      ; Serial
                                   43200      ; Refresh
                                   3600       ; Retry
                                   3600000    ; Expire
                                   2592000 )  ; Minimum
    ;       Define the nameservers and the mail servers
                   IN      NS      
                   IN      A       
                   IN      MX      10 server.example.com.
    The lines I've marked in red are the ones I'm looking for help with and some explanation as to what the "@" means in the first column and also when to leave it out and replace it with "mail".

    Thanks

  2. #2
    uxbod's Avatar
    uxbod is offline Moderator
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    Default

    The first one is fine and will be easier to understand.

  3. #3
    yonatan is offline Special Member
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    Default

    Quote Originally Posted by uxbod View Post
    The first one is fine and will be easier to understand.
    Hi uxbod!

    Thanks for answering. Can you please explain what it all means as this is new to me.

    Code:
    @       IN      NS      mail
            IN      MX      10 mail
            IN      A       xxx.xxx.xxx.xxx
    mail    IN      A       xxx.xxx.xxx.xxx

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