draft-gieben-auth-denial-of-existence-dns-06.txt:R. Gieben:google:UNKNOWN:29:feb:2014:3:figure,kwd,seccons,ianacons:Active::AUTH48 draft-gieben-auth-denial-of-existence-dns-06.txt:W.:nlnetlabs:the netherlands:29:feb:2014:3:figure,kwd,seccons,ianacons:Active::AUTH48