| RFC 3401 | Dynamic Delegation Discovery System (DDDS) | Part One: The Comprehensive DDDS |
| RFC 3402 | Dynamic Delegation Discovery System (DDDS | Part Two: The Algorithm |
| RFC 3403 | Dynamic Delegation Discovery System (DDDS) | Part Three: The Domain Name System (DNS) Database |
| RFC 3404 | Dynamic Delegation Discovery System (DDDS) |
Part Four: The Uniform Resource Identifiers (URI) Resolution Application |
| RFC 3405 | Dynamic Delegation Discovery System (DDDS) | Part Five: URI.ARPA Assignment Procedures |
| RFC 3406 | Uniform Resource Names (URN) Namespace Definition Mechanisms) | |
| RFC 3761 |
The E.164 to Uniform Resource Identifiers (URI) Dynamic Delegation Discovery System (DDDS) Application (ENUM) |