1. ".com" - This is one of the most common suffixes used in internet domain names. It stands for "commercial" and is typically used by businesses and organizations.
2. ".org" - This suffix stands for "organization" and is commonly used by non-profit organizations, charities, and other groups that are not primarily focused on making a profit.
3. ".net" - This suffix stands for "network" and is often used by companies that provide internet services, such as internet service providers or networking companies.
4. ".edu" - This suffix stands for "education" and is used by educational institutions such as schools, colleges, and universities. Websites with this suffix are typically associated with academic or research-related content.