Spotify - Web Player is blocked

[update.freak]

after I set up Pi-Hole, Spotify Web Player no longer works. Which URL(s) do I have to add to the whitelist to make it work again. With http://spclient.wg.spotify.com/ I already tried it, but that did not help.

Used blocklists:

https://v.firebog.net/hosts/lists.php?type=tick
https://raw.githubusercontent.com/RPiList/specials/master/Blocklisten/Corona-Blocklist
https://raw.githubusercontent.com/RPiList/specials/master/Blocklisten/Fake-Science
https://raw.githubusercontent.com/RPiList/specials/master/Blocklisten/Phishing-Angriffe
https://raw.githubusercontent.com/RPiList/specials/master/Blocklisten/Streaming
https://raw.githubusercontent.com/RPiList/specials/master/Blocklisten/Win10Telemetry
https://raw.githubusercontent.com/RPiList/specials/master/Blocklisten/crypto
https://raw.githubusercontent.com/RPiList/specials/master/Blocklisten/easylist
https://raw.githubusercontent.com/RPiList/specials/master/Blocklisten/gambling
https://raw.githubusercontent.com/RPiList/specials/master/Blocklisten/malware
https://raw.githubusercontent.com/RPiList/specials/master/Blocklisten/notserious
https://raw.githubusercontent.com/RPiList/specials/master/Blocklisten/samsung
https://raw.githubusercontent.com/RPiList/specials/master/Blocklisten/spam.mails

[yubiuser]

How do I determine what domain an ad is coming from?

Block ads or fix broken sites This FAQ is written in the context of finding out how to block an ad that isn't blocked automatically, but the same steps can be used to troubleshoot issues with sites that don't function properly. An example is that sometimes certain payment gateways try to collect metrics on the sale, but these domains are blocked by Pi-hole, so the payment cannot be processed. Also, some links send you through several referrers and if one of them is blocked, you may land on a …

Commonly Whitelisted Domains

This post is a wiki post. Anybody can edit it to provide useful tips for whitelisting. Editing abuse may result in a ban from the forums! Whitelisting Tips List any tips you've discovered on how or what to whitelist in order to solve specific issues! Google (Maps, Youtube, etc) Google Maps and other Google services pihole -w clients4.google.com pihole -w clients2.google.com YouTube history pihole -w s.youtube.com pihole -w video-stats.l.google.com YouTube App for iOS pihole -w www.googleap…

[update.freak]

Thanks!
Solved the issue through deleting the RegEx filter: (.cn$|.co$|.vn$)