In article <mailman.1996.1389470377.20661.bind-us...@lists.isc.org>,
Blason R <blaso...@gmail.com> wrote:
> Hey all,
>
> Pertaining to the same discussion. Can someone validate below zone files
> and named.conf files? What I wanted to achieve here is; I wanted to make
> mail.example.com as my sub domain and give them A record so that I could
> load balance the traffic on LBs since my LBs are offering inbuilt DNS server
>
> example.com
> NS = ns1.example.com 1.1.1.1
> ns2.example.com 2.2.2.2
>
> #############################################
> #
> # example.com MAIN ZONE FILE
> #
> #############################################
> zone "example.com" in{
> type master;
> file "master/master.example.com";
> // explicitly allow slave zone transfer
> allow-transfer {2.2.2.2;};
> };
>
>
> ##################################
> #
> # master.example.com
> ##################################
> $TTL 2d
> $ORIGIN example.com.
> @ IN SOA ns1.example.com. hostmaster.example.com. (
> 2003080800 ; serial number
> 2h ; refresh = 2 hours
> 15M ; update retry = 15 minutes
> 3W12h ; expiry = 3 weeks + 12 hours
> 2h20M ; minimum = 2 hours + 20 minutes
> )
>
> IN NS ns1.example.com.
> IN NS ns2.example.com.
>
> IN MX 10 mx01.example.com.
> IN MX 20 mx02.example.com.
>
> ns1 IN A 1.1.1.1
> ns2 IN A 2.2.2.2
> ; A record for mail server above
> mx01 IN A 20.20.20.20
> mx02 IN A 30.30.30.30
>
> #######################################################
>
> $ORIGIN mail.example.com.
>
> @ IN NS ns3.mail.example.com.
>
> ; the next name server points to ns1 in the example.com zone above
> IN NS ns1.example.com.
> ; sub-domain address records for name server only - glue record
> ns3 IN A 20.20.20.21 ; 'glue' record
>
> ******************************************************
> ******************************************************
> #############################################
> #
> # mail.example.com MAIN ZONE FILE
> #
> #############################################
> zone "mail.example.com" in{
> type master;
> file "master/master.mail.example.com";
>
> };
>
> #############################################
> # mail.example.com zone file
> #############################################
> #
>
> $TTL 2d ; default TTL = 2 days
> $ORIGIN mail.example.com.
> @ IN SOA ns3.mail.example.com.
> hostmaster.mail.example.com. (
> 2003080800 ; serial number
> 2h ; refresh = 2 hours
> 15M ; update retry = 15 minutes
> 3W12h ; expiry = 3 weeks + 12 hours
> 2h20M ; minimum = 2 hours + 20 minutes
> )
> ; sub-domain name servers
> IN NS ns3.mail.example.com.
You also need:
IN NS ns1.example.com.
>
> ; A records for name servers above
> ns3 IN A 20.20.20.21
>
> ; A record for mail server above
> mail IN A 20.20.20.20
> mail IN A 30.30.30.30
These will create A records for mail.mail.example.com. Is that what you
wanted? If you just want mail.example.com, it should be:
@ IN A 20.20.20.21
IN A 30.30.30.30
--
Barry Margolin
Arlington, MA
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