www. CNAME

Arvinn Løkkebakken arvinn at bislett.com
Fri Nov 26 22:56:30 UTC 1999

> domain.com. IN A
> sub IN A
> $ORIGIN sub.domain.com
> www IN A
> having sub as a CNAME for domain.com and then using it as a subdomain is a
> "Bad Thing (tm)"  use all A records.

What else is a "bad thing" ?
Is it for example a bad thing to have cname as mx record?

in mx    mail
mail in cname    mail.whatever.com


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