What Characters can be used in a domain name?
ABCDEFGHIJKLMNOPQRSTUVWXYZ 1234567890 and – (dash/hyphen) Please note – domain names are NOT case sensitive Global domain names (.com .net .org) must be less then 64 characters this includes the 4 characters.com. and 26 characters for a .co.uk & .org.uk not including the suffix. Domain names can contain letters, numbers or hyphens (-) no spaces or other characters are allowed. Two character domain names will not be accepted by some registries such as Nominet for the .uk extension however .com can (if available).
The following rules apply to what is considered a valid domain name: .UK Domain Names • Use only letters (a-z), numbers(0-9), or hyphen (-) • Cannot begin or end with a hyphen • Must have at least 3 characters, but less than 63, including suffixes such as .CO.UK .COM, .NET Domain Names • Use only letters (a-z), numbers(0-9), or hyphen (-) • Cannot begin or end with a hyphen • Cannot have a name that contains a hyphen as the third and forth characters (e.g. ab–c.com) • Must have less than 63 characters, not including .COM, .NET .INFO, .ORG Domain Names • Use only letters (a-z), numbers(0-9), or hyphen (-) • Cannot begin or end with a hyphen • Must have at least 3 characters and less than 63 characters, not including .INFO, .ORG .BIZ Domain Names • Use only letters (a-z), numbers(0-9), or hyphen (-) • Cannot begin or end with a hyphen • Cannot have two hyphens in a row • Must have at least 3 characters and less than 63 characters, not including .BIZ .EU Domain Names • Must contain a min
