What Is a Domain Name, and How Does It Work?

A domain name is your website’s address on the internet, like YourBusiness.com. It’s what people type into a browser to find you, and it’s separate from your hosting, which is where your website files live.

Here’s how it works. When someone types your domain, DNS (the Domain Name System) looks up the records behind it and tells the browser which server holds your website. The server sends the site back, and it all happens in a blink. Those same records can point your email to a different company, so your website and your business email can live in two different places.

You don’t own a domain forever. You register it and renew it, usually every year, and if it lapses someone else can register it, which can be hard or expensive to undo. Buying a domain also doesn’t give you a website. It gives you the address, and you still need hosting to put something there.

The business should own its domain. Your web designer can buy it, set it up, and manage it for you, but you should know where it’s registered, who has the login, and when it renews. Over time your domain connects to your email, Google Business Profile, search rankings, business cards, and QR codes, so losing it costs far more than losing a website.

A good domain is simple: easy to remember, spell, and say out loud. For most small businesses, .com is the easiest for customers to recognize, though other extensions can work if the name looks legitimate. Keywords like your city or trade can help when they sound natural, but pick something you’re comfortable building a brand around.