DNSSEC is a suite of extensions that add security to DNS protocol. The core DNSSEC extensions’re specified by Internet Engineering Task Force (IETF) in RFCs 4033, 4034, and 4035, with additional RFCs providing supporting information. This guide provides detailed procedures and conceptual information to deploy Domain Name System Security Extensions in your organization using Windows Server 2008 R2. DNSSEC provides ability for DNS servers and clients to trust DNS responses. This adds an additional layer of protection to your network by guaranteeing that information received from a DNS server has not been modified or tampered with in any way. Also provides info about using Name Resolution Policy Table (NRPT) that allows you to configure DNS client settings and special behavior for specified names or namespaces. NRPT’s a key component used to configure client settings for DNSSEC-protected zones.

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