AAAA may refer to:
== Internet and computing == AAAA protocol, within computer security, "authentication, authorization, accounting and auditing" – the AAA protocol combined with auditing AAAA record, also known as "IPv6 address record", maps a hostname to a 128-bit IPv6 address in the Domain Name System (DNS) Internet Authentication Service, as an acronym for the four main services provided: Authentication, Authorization, Accounting, and Auditing
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).