The system appears to located at a single site. Basic fault tolerance is based on duplication of the servers at that site. There are three other sites that provide name service. Geographical duplication of the primary site would be a worthwhile enhancement if this application is accepted. Physical security is based on using Exodus facilities for servers.
System security is based on off-the shelf hardware and software.
Some system security monitoring is provided by Exodus. Summary of Relevant Experience . Registry operator is currently operating the ccTLD .md, which has been overlaid to be a medical services area. There are currently about 10,000 names under management. Apparent Implementation Risks .