[2] RFC 7711 - PKIX over Secure HTTP (POSH) (2015-11-20 11:15:01 +09:00 版) <https://tools.ietf.org/html/rfc7711>
[1] RFC 7712 - Domain Name Associations (DNA) in the Extensible Messaging and Presence Protocol (XMPP) (2015-11-20 10:57:55 +09:00 版) <https://tools.ietf.org/html/rfc7712>