Release Notes: The RD and RA bits in the DNS header should now usually be correctly set. The root server list has been updated.
Release Notes: Many updates, including four minor denial of service vulnerabilities found and fixed.
Release Notes: One minor denial of service vulnerability was found and fixed.
Release Notes: Four post-1.2.12.04 minor remote denial of service bugs have been found and fixed.
Release Notes: Recursive root overrides are now possible. In other words, the recursive resolver can now use custom root servers for subtrees of the DNS space.