A registrar is an official responsible for maintaining and managing records, often related to vital events like births, deaths, and marriages. They ensure that these records are accurate, secure, and accessible to the public when needed. Registrars play a crucial role in the legal documentation of these events, which can be important for identity verification and statistical purposes. In the context of the internet, a registrar is a company that manages the reservation of internet domain names. They allow individuals and organizations to register, renew, and transfer domain names, ensuring that each name is unique and properly linked to the corresponding website. This process is essential for establishing an online presence.