DNS security extension
Click on the red underlined text to get to the source
...
The DNS Security Extensions (DNSSEC) are a collection of new resource
records and protocol modifications that add data origin
authentication ...
...
This document describes how the DNS security extensions use public
key cryptography to sign and authenticate DNS resource record ...
... Arends, R., Austein, R., Larson, M., Massey, D., and S. Rose, "Resource Records for DNS Security Extensions", RFC 4034prop, March 2005. ...
