Mastering Active Directory - Second Edition

DNS server operation modes

There are three types of DNS server operation modes. These modes are not something we can choose during the setup process. They are listed based on their characteristics:

• Dynamic: AD DS-directory-integrated DNS uses DynDNS by default. DynDNS allows hosts and users to register, update, and remove DNS records from DNS servers. Let's assume we have an AD environment with 200 computers. It uses Dynamic Host Configuration Protocol (DHCP) to maintain the IP assignment; so every three days, each device will renew its IP allocation. Some may have the same IP address, but some may receive a new one. But if the system uses static DNS every three days, administrators will need to update the DNS list to match IP allocations. ...