You may want to read up on DANE. https://tools.ietf.org/html/rfc6698 https://tools.ietf.org/html/rfc6698 Not really an alternative to HTTP+TLS, but possibly a

You may want to read up on DANE. https://tools.ietf.org/html/rfc6698 https://tools.ietf.org/html/rfc6698 Not really an alternative to HTTP+TLS, but possibly another way of doing it depending on how it's implemented.