cname records from one domain to another

Barry Margolin barmar at genuity.net
Fri Oct 26 17:58:45 UTC 2001


In article <9rc75n$fo1 at pub3.rc.vix.com>,
GovernorKreep <governorkreep at yahoo.com> wrote:
>
>I have this:
>
>zone xxx.com:
>www       IN  A  1.2.3.4
>xxx.com.  IN  A  1.2.3.4

I'd do:

www        IN CNAME xxx.com.
xxx.com.   IN A     1.2.3.4

>What I want to have also is this:
>
>zone yyy.com:
>www       IN  CNAME  xxx.com.
>yyy.com.  IN  CNAME  xxx.com.
>
>But I get errors about cname and other data. I understand that the
>better way to do this is to have A records to 1.2.3.4 for yyy.com, but
>the IP addresses for these change somewhat frequently and when they
>do, I have to change it in hundreds of different zones instead of in
>just one.
>How is the best way to deal with this?

Write a script that checks the address of xxx.com and updates all the other
zones when it changes, and run it as a cron job.  You can't make the zone
name be a CNAME.

-- 
Barry Margolin, barmar at genuity.net
Genuity, Woburn, MA
*** DON'T SEND TECHNICAL QUESTIONS DIRECTLY TO ME, post them to newsgroups.
Please DON'T copy followups to me -- I'll assume it wasn't posted to the group.


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