Bass grabs you those "extra resolvers" you are missing out on when performing Active DNS enumeration. Add anywhere from 100-6k resolvers to your "resolver.txt"

A CI/CD-verified list of the internet's known-good public DNS servers (from public-dns.info) Updated weekly!

A high-performance RDAP resolver for bulk lookups and reconnaissance

A public TWNIC's RPZ block list for everyone.

subdomain scanner

⚡ Fast async DNS resolver validator - Test thousands of DNS servers, filter working resolvers, export results. Perfect for security research.

A subdomain enumeration and validation tool.