A blockchain-based DNS + HTTP server that fixes HTTPS security, and more!

Knot Resolver: Resolve DNS names like it's 2019! https://www.knot-resolver.cz/support/

Knot DNS: High-performance authoritative-only DNS server. https://www.knot-dns.cz/support/

Zerigo DNS Ruby Gem

Check your DNS against over 1500 global DNS servers

Asynchronous DNS component for Icicle.