Version 2.1, 26. April, 2023
1. About approved characters for .dk domain names
1.1 This document specifies which and how many characters a .dk domain name may contain.
2. Maximum number of characters
2.1 A .dk domain name may not contain more than 63 characters.
3. Approved characters
3.1 The following characters may be used when registering a .dk domain name:
- All Danish letters (incl. æ, ø and å)
- The letters ö, ä, ü, é and ß
- Numbers from 0 to 9
- Hyphen (-). However, a hyphen may not be the first or last character in the domain name.
A domain name cannot have two leading characters followed by two hyphens, e.g. a2--punktum.dk.
3.2 It is not possible to register domain names containing characters other than those mentioned in section 3.1 above.