First of all: Welcome @ChristianK to our community! I checked the system. Yesterday there was a short issue reported nearby your area, so possible that you were affected, too. As for @stefanbirk I did not see any incidents in your area.
Do you know already our Network Status Alert? Sign in to get an incident alert in your area via SMS.
Is now the Internet speed ok with you guys? Hope so! Should you continue to encounter slow Internet, I suggest to best call our Support team on 0800 66 88 66, free of charge. Our colleagues can have a brief look at your Internet setup and support you when needed.
Hope you will find this information helpful. Wishing you a nice weekend.