To register domain name, it is necessary domain to be delegate on Domain Name Server (DNS) name servers.
The .mk domain name must meet the following requirements:
It consists of letters from the English alphabet (uppercase and lowercase letters are not distinguished), numbers from 0 to 9, and the "-" (hyphen) symbol.
It must be between 2 and 63 characters long, and the first and last character cannot be a hyphen ("-").
The use of two consecutive hyphens ("-") is not allowed.
Exception: A .mk domain name may consist of a single character only if it is a registered trademark, protected sign, name, or brand.