The extension of its dominion will help its users to identify its site at first sight maintaining the Mexican identity and adding the identifier to him of the extension, it is not possible to freely register all the extensions in the general policies explain the requirements, the extension .mx and com.mx does not have limitations of organization.
It registers his dominion under extension MX and marks clearly his Mexican identity.
| Type | Directed a: |
| .com .mx | Any organization. |
| .net .mx | Suppliers of located services of Internet in Mexico. |
| .org .mx | Organizations for charity. |
| .edu .mx | Mexican institutions of education or investigation. |
| .gob.mx | Institutions or offices of the Mexican Government (Federal, State or Local). |
| .mx | Any organization. |
