Domain Name System(DNS) Syntax Rules
What is a domain name, Why IANA cares? Domain names are used to access machines over local network or internet with human readable syntax instead of IPs. www.example.com is the global example domain name that is reserved for educational purposes by IANA. IANA(International Assigned Numbers Association) manages DNS root zone and many other critical protocols and standards of internet. At first glance, i will highlight the right most part of domain name "com", our example domain name. "com" is defined by IANA as a top level domain name (TLD) and there are 312 TLDs and six kind of top level domain names presented in IANA DNS Root Zone : country-code(tr, ru, us, uk...), sponsored(xxx, jobs, travel), infrastructure(arpa), generic-restricted(biz, name, pro), generic(com, info, net), test(.భారత్) In the IANA DNS Root zone page, there is each of top level domain names and related organizations listed. tlds-alpha-by-domain.txt # Version 2011121300, Last