Registration Policies for .de Domains
Valid characters for a .de domain name are:
- numbers (0-9)
- hyphen (-)
- letters (a-z)
With the introduction of IDN registrations, 92 additional characters are allowed from the character set Latin Extended-A and Latin-1 Supplement.
- .de domains are also allowed to consist of numbers only
- a domain name could be between 1 and 63 characters long, independent of whether it is IDN or not
- a domain name can not begin with a hyphen (-)
- hyphens are not allowed on the 3rd and 4th position of a domain name
Please find more information under DENIC-Domainrichtlinien.