CHAPTER 11
DNS, DHCP, IPv4, and IPv6
DNS
DNS1 is one of the three main pillars supporting domain services (DNS, Kerberos,2 and LDAP3). Inside the local network, DNS acts to translate IP addresses into hostnames and vice versa. Fundamental to the Internet, DNS also translates domain names into IP addresses. There is a long history of DNS-related RFCs4 that document the many changes and adaptions DNS has undergone since its conception. Current DNS supports both IPv4 and IPv6. Basically, DNS is a network of databases established to resolve IP addresses and spans the world supporting all Internet traffic.
To resolve hostnames or domain names into ...
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