I agree that the purpose has changed. DNS is identity. Almost every source of internet identity is either in DNS or is, at root, based on DNS. The only except

I agree that the purpose has changed. DNS is identity. Almost every source of internet identity is either in DNS or is, at root, based on DNS. The only exceptions I can think of are PGP keys and blockchain, and they struggle with workable trust mechanisms. You could say registrars and CAs underpin DNS, but they primarily exist to support DNS.