A good domain name can catch attention, biasing people to prefer your company over competitors, and making it easy to reach the website if and when they decide to use it. A bad domain name can sink you. Like a storefront and location in the offline world, your domain name is the very first vehicle by which potential investors/customers/employees evaluate your company before they even engage. There are three main factors to consider:

via Should a Startup Spend VC Funding on a Domain Name? – Forbes.