8 Best Domain Registrars for 2024 (Our Recommendations) - Kinsta kinsta.com/blog/best-domain-registrarPrivate View A domain registrar is a company that manages and brokers the sale of unique domain names on the internet. To sell domains, the company must be accredited by the Internet Corporation for Assign Names and Numbers or a country code top-level domain.Some of the most common generic top-level domain (gTLD) extensions are .com, .net, .org, and .info.