MaraDNS is a security-aware DNS implementation. It can be configured as an authoritative DNS server or as a "recursive" DNS cache. Versions up to 1.0.xx have been released to the public domain. Versions after 1.1.00 are copyrighted but are distributed with a liberal licence (a simplified BSD licence without the advertising clause.)
... (ACX) project (which later became the Dassault Rafale).
The remaining members agreed to split the development work between them as follows: British Aerospace ...