arghyaxcodes/betterdns repository overview

⁠BetterDNS

BetterDNS is a production-ready recursive DNS resolver written in modern C++23. It fully implements the DNS resolution chain by querying root, TLD, and authoritative servers directly, without relying on your system's DNS resolver.

⁠Features

• Full recursive DNS resolution from root servers to authoritative servers
• Strict RFC compliance (RFC 1034, 1035, 2181, 4034, 7766)
• High-performance caching with TTL and LRU eviction
• Supports DNS record types: A, AAAA, CNAME, NS, MX, TXT, SOA, ANY
• Thread-safe and supports concurrent queries
• Verbose mode for detailed query tracing
• Easy configuration via environment variables and CLI flags
• Official Docker image with multi-stage build and security optimizations

⁠Usage

docker run --rm arghyaxcodes/betterdns example.com

# Query IPv6 (AAAA) record
docker run --rm arghyaxcodes/betterdns -t AAAA example.com

# Verbose output showing resolution steps
docker run --rm arghyaxcodes/betterdns -v example.com

⁠Links

• Documentation: https://betterdns.arghya.dev⁠
• GitHub: https://github.com/arghyaxcodes/betterdns⁠
• Docker Hub: https://hub.docker.com/r/arghyaxcodes/betterdns⁠

⁠License

BSD 3-Clause License

⭐ If you find BetterDNS useful, please star it on GitHub!