Domain Name System (DNS) - the basic TCP/IP system
Domain Name System (DNS) is one of the base system service in TCP/IP. It allows hosts (PC, servers) on TCP/IP networks to be addressed by names. Though IP addresses allow computers and routers to identify each other efficiently, humans prefer to work with names rather than numbers.
DNS is used by email system, windows active directory, any web access and so on. Without DNS, a user will need to know the IP addresses of all the services s/he required.
Understanding of DNS is a must in managing network system. Almost all network service require the service of a DNS. Problem with DNS will resulted in network services not working properly. Using a DNS tools like nslookup is useful in troubleshooting DNS problems.
DNS is used by email system, windows active directory, any web access and so on. Without DNS, a user will need to know the IP addresses of all the services s/he required.
Understanding of DNS is a must in managing network system. Almost all network service require the service of a DNS. Problem with DNS will resulted in network services not working properly. Using a DNS tools like nslookup is useful in troubleshooting DNS problems.
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