Software:Features
 
 
BIND-9
- Pro
- Full recursive/caching & authoritative name server implementation
 - Recursive/caching & authoritative services can share IP address
 - Ground-up re-write, uses latest secure programming techniques
- Each procedure or function applies near paranoid checks to input
 
 - DNS Security
- DNSSEC (signed zones)
 - TSIG (signed DNS requests)