On Fri, Sep 13, 2013 at 11:30:27AM -0700, Paul Vixie <vixie at fsi.io> wrote a message of 10 lines which said: > http://www.circleid.com/posts/20130913_on_the_time_value_of_security_features_in_dns/ See also the similar <http://www.nlnetlabs.nl/blog/2013/09/16/rrl-slip-and-response-spoofing/>