[CentOS] DNS wizard
Vic Ricker
vic at ricker.us
Sat Dec 31 15:54:05 UTC 2005
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/
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