.mx
.mx is the Internet country code top-level domain (ccTLD) for Mexico.
Domain registrations in .mx consist of third-level names beneath second-level names which parallel some of the top level domains:
.com.mx: Commercial entities (actually unrestricted, like .com)
.net.mx: Network providers (registration limited to qualifying entities)
.org.mx: Non-profit organizations (registration limited to qualifying entities)
.edu.mx: Educational institutions (registration limited to qualifying entities)
.gob.mx: Governmental entities (Mexican federal, state, or local)