DNS wizard

[vic at ricker.us (Vic Ricker)]

John Hinton wrote:

> I've almost never use CNAMES and really am wondering about a truly 
> useful application. In this day of spam, it seems like less is best 
> with regards to subdomains, such as the example above. CNAMES also 
> require at least one extra loop in the lookup.. so why are they so 
> widely used when an A record does the more defined and more limited 
> task? There certainly seems to be some useful wizardry in CNAMEs, but 
> darned if I can think of a use for basic web hosting types of situations.
>
I tend to agree, although there are places where CNAMEs are necessary 
like classless reverse delegation (RFC 2317) or when you don't control 
the zone where the target A record(s) live.

-- 
Vic Ricker
http://www.ricker.us/