Dynamic update of virtual hosting domains

Peter Rabbitson rabbit+list at rabbit.us
Wed Jan 30 10:02:40 UTC 2008


Stephane Bortzmeyer wrote:
> On Tue, Jan 29, 2008 at 11:37:40AM +0100,
>  Peter Rabbitson <rabbit+list at rabbit.us> wrote 
>  a message of 29 lines which said:
> 
>> www	cname @
> ...
>> Sometimes I need to change <IP of web server> automatically, however enabling 
>> dynamic updates on all (currently 9) virtual host domains seems ugly. I know I 
>> can use the DNAME RR, but from my googling it seems that it is not favored in 
>> todays infrastructure. Is there a way to organize things in such a manner, so 
>> that the A record can point to a single place which can be then dynamically 
>> updated?
> 
> Why not deciding that www.dynamic-domain.example.org is the canonical
> name for your Web servers? In each zone, you put an alias:
> 
> www CNAME www.dynamic-domain.example.org. 
> 
> and you just update dynamic-domain.example.org.
> 

This will take care of www.<domain>.com, yes. What about <domain>.com itself? 
I can not expect people to type in www - it is not 1995 anymore :)

Peter



More information about the bind-users mailing list