When you register a .DK domain name, you will get a message from Loopia AB noreply@ascio.com to accept the registration. It looks as follow:

Copyright Loopia AB 1999 - 2025
Loopia AB, Kopparbergsvägen 8, 722 13 Västerås
Org.nr: 556633-9304
Loopia’s services run on renewable energy