DNS Port which is abbreviated as Domain Name System is used to configure and sync the Domain name from a Domain service provide to an IP Address of a hosting. In order for a website to be hosted on the Internet and to function smoothly, there should be fixed DNS and it translates the required information to the hosting, so the worldwide web can access the service as well. In simple terms, we can consider a Domain name and let us take the example of Google.com and here the Google.com is called the website full name, what is dns server where the Google is only the partial domain name representing the main keyword, then .com is the domain extension and all these together form a full working Domain Name.