Technically any Universal Web server can run on any port and won’t be an issue for the client. Due to the client getting the certificate from the DIS which specifies port. A client could request a hostname and the DIS would respond with a default certificate for that specific hostname. Meaning a p...

Regulation of the future web via domain extensions classification will keep services in check . If a social network curates its content to the point of becoming a publisher then the domain ext must reflect that change. Example from .social to .publisher or if a site is delivering spam/malware/viruse...