All, since 2010. https://www.iana.org/dnssec/archive https://www.iana.org/dnssec/archive Although this is a big "just" because of the amount of fanfare and (l

All, since 2010. https://www.iana.org/dnssec/archive https://www.iana.org/dnssec/archive Although this is a big "just" because of the amount of fanfare and (literal) ceremony, DNSSEC support on the server side is just about signing zones and being willing to serve the associated RR types.