Is it ok to buy a domain name under the following cases 1) if the .com is already taken then can we buy .org or .net or .info etc like say if loan.com is already taken can i buy loan.org ,loan.net without copyright or other legal problems. 2)if some domain name is already taken then can i buy prular of than domain name the DN is a generic word, like say if pet.com is already taken then can i register pets.com