Check Domain Availability www.  examples: (mjourney.com, peace.org, your-name.com) Your domain name cannot: contain spaces or other punctuation, it may only contain letters, numbers, or dashes ("-"). cannot begin or end with a dash cannot have more than 26 characters, including the 4 characters used to identify the top-level domain (.COM, .NET, .ORG, .EDU, .GOV).