Gambling:

betting - online and land-based
Casino - online

The Danish Gambling Authority's Technical Requirements - online casinos and betting.

Danish gambling legislation lays down a number of technical requirements that holders of licences to offeronline casinos and/or betting services must comply with. These include, among other things, how

licence holders must configure their SAFE, which is used for data reporting to the Danish Gambling Authority.
There is also a requirement for licence holders to check whether their customers are registered in the DanishGambling Authority's register of voluntarily excluded players (ROFUS).
The document "Technical requirements - online casinos and betting" contains the requirements for how licenceholders configure their SAFE and consult ROFUS.