In Domain Name, a full domain name is a sequence of labels separated by

A server whose zone consists of the whole tree is called

A root server's zone is the entire

If the server has the information, it satisfies the

Domain Name System (DNS), allows domains to be divided further into

Mapping a name to an address or an address to a name is called

In DNS meaagaes a section consisting of one or more resource records is called

To provide security and prevent unauthorized changes in the DNS records an authentication mechanism is used, known as

A DNS client/server program can support an e-mail program to find the IP address of an

A primary server loads all information from the

In Domain Name Space (DNS), when the Internet was small, mapping was done by using a

New domains can be added to DNS through a

In Domain Name System (DNS), the well known portprovides the services of

FQDN stands for

The xxx.yyy.net is a

A supporting program that is used by other programs such as e-mail is called

In DNS the solution to problems is to distribute the information among many computers known as

The country domains section uses two-character country

A registrar first verifies that the requested domain name is unique and then enters it into the DNS

In Domain Name System (DNS), a contiguous part of the entire tree is called