ICANN originally devised a system that separated out the functions of the registry and the registrar. Essentially, the registry acts as the wholesaler and maintains the official registry database while registrars act as the consumer-facing retail outlets. So, registrars are the entities that sell domain names to registrants. You are likely already familiar with some registrars, such as GoDaddy, which is the world’s largest registrar. Many registrars provide other services such as website builders, hosting, e-mail, search engine optimization (SEO) and search engine marketing (SEM). We provide a full list of registrars that sell MMX TLDs.