SENG2220 Web Development II Mohammed A. Saleh 29 th October 2009 1.
DNS Domain Name System. Domain names and IP addresses People prefer to use easy-to-remember names instead of IP addresses Domain names are alphanumeric.
Domain names and IP addresses Resolver and name server DNS Name hierarchy Domain name system Domain names Top-level domains Hierarchy of name servers.
Domain Name System (DNS). Outline Functions of DNS Design goals of DNS History of DNS Elements of DNS –Name space and resource records –Name servers –Name.
DNS Domain Name System
