MX records

[Michael Voight]

The A record goes in the zone file for the domain the mail host is in

jdenz at my-deja.com wrote:
> 
> Have a DNS server that is primary for six zones - each zone uses the
> same mail server - mail1.mydomain.com. Does each zone file , in
> addition to the MX record pointing to the mail server
> mail1.mydomain.com, need an A record for the mail host, or is the A
> record only needed in the mydomain.com zone file?
> 
> ie;
> 
> does this suffice:
> 
>   MX  10  mail1.mydomain.com
> 
> or does every zone file need:
> 
>   MX  10  mail1.mydomain.com
> 
>   mail1.mydomain.com  A  xxx.xxx.xxx.xxx
> 
> or should only the mydomain.com be set up like the second example
> 
> thanks,
> 
> jonathan
> 
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