The Technical Center of Internet signed on 18 October,2011 the domain zone .SU with DNSSEC key .
For now there are about 60+ top-level domain names in the root addressing zone of the Internet signed with DNSSEC .There are 50 ccTLDs and 11 gTLDs signed with DNSSEC . .COM,which is the largest zone in the Internet is also signed with DNSSEC .The Technical Center of Internet is planning for next year to sign root national domains .РФ and .RU with DNSSEC.