There are hundreds of different domain name extensions, but some of the most common and popular ones include:
1. .com – this is the most popular domain extension and is generally used for commercial websites.
2. .org – this is often used by nonprofit organizations.
3. .net – this is commonly used by networks and tech companies.
4. .edu – this is used by educational institutions, like universities and schools.
5. .gov – this is used by government agencies.
6. .info – this is used for informative websites.
7. .biz – this is used for business websites.
8. .co – this is a newer extension that is often used as an alternative to .com.
9. .me – this is often used for personal websites.
10. .io – this is used for tech startups and other innovative companies.
