You may use this domain in your documents and literature to illustrate a point or for testing purposes. You do not need to ask for permission to do so.
You can use our domain name in your documents, test fields, and website forms without asking for permission. This is a site example. Test your website input field. Site Example is an example domain name. Don't ask for permission. Just use it to test redirects. Use this site example name to test validation on forms. Test domain site example. No one will blame you if you use this domain to test the redirect or form validation. Today is the day. Just do it!