In short, all web2 domain names are registered with a domain registrar, which manages the reservation of domain names and the assignment of IP addresses for those domain names through the domain registry. To be a domain registrar, you must be accredited by the Internet Corporation for Assigned Names and Numbers (ICANN), which is the leader when it comes to domain names in web2. ICANN is the non-profit organization responsible for maintaining domain names and related databases on web2. Source:...