https://app.kbone.net/vault/rfc/docid/996
RFC0273: More on standard host names
Network Working Group Richard W. Watson Request for Comments #273 SRI-ARC NIC 7837 18 October 1971 Categories: Related: 7625, 7626, 7661, 7688, 7650, 7646 Obsoletes: 7662 MORE ON STANDARD HOST NAMES ...