It already supports CNAME. You can do example.com CNAME aaa<..>.key. SRV is on the todo list, not least because it also lets you look up the IP address and port

It already supports CNAME. You can do example.com CNAME aaa<..>.key. SRV is on the todo list, not least because it also lets you look up the IP address and port in DNS as an alternative to the DHT.