> It depends on what you are trying to do...
> SSL certificates are not used in DNSSEC, so if you are talking about "to
> deploy DNSSEC", then the answer is NO.
> If you are trying to secure your http, pop, imap, etc. sessions, and a
> self-signed certificate is not enough then yes, you need to buy a
> "certificate"

I'm talking about DNS SEC (signed zones)... so in other words I can't sign a
zone with a CA issued certificate.