Common error of a domain : after registration of a domain name we find some problem like below
Not found
URLs not followed
URLs restricted by robots.txt
URLs timed out
HTTP errors
URL unreachable
To Solve Above Error Book Mark This Page We Will Publish Solution Soon

DNS : Domain Name System Is A Naming System For Connected Device Such As Computer To Computer , Internet Resource And Any Private Network . A Domain Name Can Identifies One Or More IP Address . URL Use By Domain Name To Identify Particular Website Information . Some Of My Friend Want To Know About Domain Name I Advice Him To Study From Wikipedia , The Free Encyclopaedia . Everything You Can Find . Http://En.Wikipedia.Org/Wiki/Domain_Name_System. All Information You Can Read And Download From Wikipedia.