DNS SERVER
UNDERSTANDING control
Domain Name System (DNS) is an application service on the Internet that translates a domain name to IP address and one of the types of systems that serve the demand for mapping IP addresses to FQPN (named Fany Qualified Domain Name) and the FQDN to IP addresses. DNS is usually used in applications relating to internet Web Browser sererti or e-mail, Where control helps a computer to map host names to IP addresses. Besides being used in the Internet DNS can also be implemented into the private network or the Internet.
FUNCTION control
A. Framework Regulation controversy delivery using the advantages of DNS records, known as a TXT record.
B. Provide flexibility to computer failure, some DNS servers to provide protection for each domain. More precisely, the thirteen root servers (root server) is used by the entire world.
DNS ADVANTAGE
1. DNS is easy to be implemented in the protocol TCP / IP
2. DNS servers in easily to configure (for admin)
3. Users no longer bother to remember the IP address
SHORTAGE control
1. Control is not easy to be implemented
2. Inconsistent
3. Can not make a lot of domain names.
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