If you haven't bought or borrowed the "DNS and Bind" book from O'Reilly, Mr. DNS doesn't always answer the question (especially if your question can be found in the book). Hey, he needs to make a living too! DNS and Bind book

If you first search through the FAQ section on his site, you may find answers to many of your questions. If you post back the info asked for, myself or one of the other admins helping on this site can probably get you through this.