How to do I do reverse on a Supernet?

Wed Jul 21 19:10:42 UTC 1999

"Roderick B. Greening" wrote:
> 
> On Wed, 21 Jul 1999, Michael Voight wrote:
> 
> > It makes no difference if you use DDTS. We do it with our product, and
> > it is possible to follow RFC 2317. The worst part is creating a CNAME
> > record for all of the addresses in the subnet. All other records are
> > created automatically.
> 
>         But RFC 2317 does not cover shorter prefixes like /23, /22, or
>         /21?

Why would it matter to DNS whether you are subnetting a class A, B, or C
or supernetting? DNS only looks at the dots. It doesn't know class B
from Class C. 

Michael