DNS/SecurityExtensionsについて、ここに記述してください。

http://www.ietf.org/rfc/rfc2535.txt 

Network Working Group                                         D. Eastlake
Request for Comments: 2535                                            IBM
Obsoletes: 2065                                                March 1999
Updates: 2181, 1035, 1034
Category: Standards Track

                 Domain Name System Security Extensions