Managing DNS zones and resource records
The DNS service enables you to resolve names to other information. The most common use of DNS is to resolve a hostname to its IP (IPv4 or IPv6) addresses. But different name resolutions, such as determining email servers or anti-spam, also rely on DNS.
DNS servers hold zones. A DNS zone is a container for a set of Resource Records (RRs) related to a specific DNS domain. If you use an email client to send mail, for example, to DoctorDNS@Gmail.Com, the email client uses DNS to discover an email server to which to send the mail. When you enter www.packt.com, your browser uses DNS to resolve that website name into an IP address and contacts the server at that IP address.
Before using DNS to hold a RR, you must create a DNS forward lookup zone. A zone is integral to a global (or internal) DNS namespace. You can configure different zones to hold other parts of your namespace. You could, for example, have one zone containing RRs for the Reskit.Org on DC1...
