Domain name o Each node in the tree represents a domain name o a full domain name is a sequence of labels separated by dots(.) o The domain names are read from the node up to the root o The last label is the label of the root (null)9 Domain Name  Each node in the tree represents a domain name  A full domain name is a sequence of labels separated by dots (.).  The domain names are read from the node up to the root.  The last label is the label of the root (null)