Maximum length of a domain name without the http://www. & .com parts

Question

What is the maximum length of the \'name\' part in a domain? I\'m referring to the google in http://www.google.com. How long can the google

Answer 1

As a demonstration, this website has a 63 characters domain name, the maximum allowed: http://63-characters-is-the-longest-possible-domain-name-for-a-website.com