https://app.knowbase.one/vault/rfc/docid/9266
RFC8553: DNS Attrleaf Changes: Fixing Specifications That Use Underscored Node Names
Internet Engineering Task Force (IETF) D. Crocker Request for Comments: 8553 Brandenburg InternetWorking BCP: 222 March 2019 Updates: 2782, 3263, 3529, 3620, 3832, 3887, 3958, 4120, 4227, 438...