technically yes, there's nothing special about www and no actual reason that a TLD can't be resolved directly. However, icann policy forbids 'dotless' domains,

technically yes, there's nothing special about www and no actual reason that a TLD can't be resolved directly. However, icann policy forbids 'dotless' domains, and most browsers will probably default to doing a web search if you enter a word that doesn't look like a domain in the address bar.