[dns-operations] How can BIND find itself that I used NSEC3 with opt-out?

[Stephane Bortzmeyer]

On Thu, Nov 19, 2009 at 12:35:44AM +1100,
 Mark Andrews <marka at isc.org> wrote 
 a message of 46 lines which said:

> The update code looks at the previous NSEC3 record and if it has
> optout set

OK, thanks, RFC 5155, section 3.1.2, I understand now.