I’m facing the same issue. Returning ERR_SSL_PROTOCOL_ERROR for www.koplus.co.uk.
DNS Seems to be fine: https://www.whatsmydns.net/#A/koplus.co.uk and https://www.whatsmydns.net/#CNAME/www.koplus.co.uk - showing as connected in the Webflow hosting dashboard.
Is there a solution for this @callmevlad?