If you just ordered a .dk domain and have activated it recently, it normally takes from 12 - 24 hours for it to work everywhere.
Article from the support category: Domain & DNS
We strongly advice you to choose another password
The entered password is known in "Have I Been Pwned", which is a public database of leaked passwords on the internet.
Most likely, you (or someone else) have used the password on another website, which has leaked it, resulting in it no longer being secure.
Enter your password here for more information: https://haveibeenpwned.com/Passwords.