An in-progress DNS resolver written in Rust, based on Julia Evan's "Implement DNS in a weekend" guide.
Meant as a foray into networking, I intend for this project to be my own implementation of the DNS standards, with an eye towards handling some of dig's simpler functions.
- Query creation
- Header and question parsing
- recursive resolving
- type-dependent record parsing (A and NS types)
- IPv6 querying support
- caching (databases?)
- resolver would want file persistence across runs
- server would likely keep cache in-memory and with file backing
- asynchronous queries
- this is likely server specific, unless we create a multi-client resolver service
- request/response multitasking
- applicable to resolver service + server
- Library-Binary separation
- library that provides definitions of common DNS data structures
- simple recursive resolver binary
- multi-client resolver service binary
- multi-client DNS server binary
- TCP support
- More command-line arguments
- recursion desired, authoritative answer requested, etc.