- it allows specifying that http3 or http2 should be used. The former is especially important, since http requires using udp instead of tcp - it can include ce

- it allows specifying that http3 or http2 should be used. The former is especially important, since http requires using udp instead of tcp - it can include certificate information used for ECH - it can be used as an alias record at the apex of a zone. Which sort of solves the problem of not being able to have a CNAME on the apex... Once this is widely deployed.