Users of pirate IPTV services in Sweden are actively trying to circumvent new ISP blockades ordered by Stockholm's Patent and Market Court. The court sided with rightsholders Viaplay, TV4, and Discovery, requiring Telenor and other ISPs to block subscriber access to pirate IPTV providers. This triggered a cat and mouse game that will likely intensify the call for broader blocking measures.
Seems they are currently just using dns blocking. Using anything other than default should fix it for now. Look at quad nine or nextdns.
This and also this https://www.privacyguides.org/en/dns/