Internet Infrastructure Reaches Long-Awaited Security Milestone Two years after a major flaw was exposed in the Internet’s Domain Name System (DNS), a major upgrade to the infrastructure protocol that fixes that weakness is now up and running in all of the Internet root servers. DNSSEC, which has been in the works for nearly two decades, was fully deployed in the root this month, the final level of deployment needed to finally get the deployment of the security protocol officially off the ground