UPDATE: Apple published an updated version of the Security UPdate 2007-005 which automatically restarts your DNS server after updating BIND.

When you install Apple’s latest Mac OS X Server Security Update 2007-005, keep an eye on your DNS service. On my two servers DNS was deactivated after a restart, and I

O’Reilly Germany just published my new TecFeed (downloadable PDF book) at http://www.oreilly.de/catalog/pdf_macosxsrvrger/.

For as little as 9,90 EUR you get a 73 page step-by-step instruction, which helps you to build your own Mac OS X Server-based web, mail, and calendaring server.