Seems similar in thought to DNS's additional section, where a DNS server can say `hey, here is your answer, and oh by the way, you might want this other informa

Seems similar in thought to DNS's additional section, where a DNS server can say `hey, here is your answer, and oh by the way, you might want this other information too'. Example use case: if you get a CNAME back, then you will probably want the associated A record as well.