The rules for creating domain names CZ
Domain names must comply with standards RFC 1034, 1035, 1122, 1123 and any is replacing or supplementing standards. (RFC = Request For Comments, means the designation of a series of documents containing research, measurement and observation, as well as the proposed and accepted standards for the TCP/IP Protocol).
This is in particular on the following conditions:
- a domain name can only contain the characters [a-z, 0-9,-]
- the length of the domain name is more than 63 characters
- the domain name cannot begin or end with "-"
- domain name must not contain two characters "-" for you
Each domain name must be unique. It is not possible to register a domain name identical with an already registered domain name.