TEKDNS.ORG
 
DNSstuff.com
 
            What is DNS or Name Servers ?
DNS is short for Domain Name Server or Domain Name Service. DNS is an Internet service that translates domain names into IP addresses. Domain names are alphabetic, so they're easy to remember. The Internet however, is  based on IP addresses. Every time you use a domain name a DNS service must translate the name into the corresponding IP address. 
                    Why do you need name servers?
 
Every domain name must have a primary nameserver (eg. ns1.domain-name.com) and at least one secondary nameserver (eg ns2.domain-name.com)  otherwise they won't work! .The second nameserver requirement aims to make the domain name still reachable even if one name server becomes inaccessible. 
What is dynamic  DNS ? 
Dynamic DNS is a system which allows the domain name data held in a name server to be updated in real time. The most common use for this is in allowing a domain name to be assigned to a computer with a varying (dynamic) IP address. This makes it possible for other sites on the Internet to make connections to the machine without needing to track the IP address themselves.
Finding your name servers on your own computer. 
In Linux at a shell prompt type:   cat /etc/resolv.conf
In Windows at a dos prompt type: C:>ipconfig /all 
 Need help with your name servers?  Is your DNS not  working properly?  tekdns.org recommends you visit this site:  DNSstuff.com
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