bert hubert (bert.hubert) writes: > > 5 is 'edns ping', but it was effectively blocked because people > thought DNSSEC would be easier to do, or demanded that EDNS PING > (http://edns-ping.org) would offer everything that DNSSEC offered.
I'm surprised you failed to mention http://dnscurve.org/crypto.html, which is always brought up, but never seems to solve the problems mentioned.