Creating a CNAME to another domain.

Danny Mayer mayer at gis.net
Wed Jul 29 03:38:34 UTC 2009


Kevin Darcy wrote:
> Ezra Taylor wrote:
>> Hello All:
>>                How can I create a CNAME that points to another
>> domain.  Example below.  Is the below example possible?
>>
>>
>>
>> stars.mydomain.com <http://stars.mydomain.com>     IN    CNAME     
>> stars.otherdomain.com <http://stars.otherdomain.com>.
>>
> If stars.mydomain.com is just an ordinary name in the mydomain.com zone,
> then there is no problem with what you show above (except,
> syntactically, you need the trailing dot, as was already pointed out).
> 
> If, on the other hand, stars.mydomain.com is a *zone*, then it's not
> possible, because in that case there would be "apex" records (records
> whose name is the same as that of the zone); at a minimum, an SOA and at
> least 2 NS records, which are required for each and every zone. When a
> particular name owns a CNAME record, it cannot also own SOA or NS records.

Not true. For a Domain alias use a DNAME:

mydomain.com.	IN 	DNAME	otherdomain.com.

Danny


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