Reverse Domain and Security Concern

[April]

Mark Andrews wrote:
> > As more DNS implementations make creating PTR records so easy, many
> > organizations are creating a PTR record for each forward record, would
> > this be a security concern, as this is so convenient to map out a
> > forward zone?
>
> 	In general no.
>
> --
> Mark Andrews, ISC
> 1 Seymour St., Dundas Valley, NSW 2117, Australia
> PHONE: +61 2 9871 4742                 INTERNET: Mark_Andrews at isc.org

What do you mean "in general no"?

You mean if this is a concern, it is an issue; otherwise, not?