Expired Domains - Information about Expired Domain Names. Check the Availability of thousands of Expired Domains every day before they Drop and after. Just pick what you like!
PowerDNS - PowerDNS offers open source DNS software, services, and support.
Spamzilla - Spamzilla is a prevailing software for detecting many types of SEO spam automatically.
dnsmasq - Dnsmasq is a lightweight, easy to configure DNS forwarder and DHCP server.
Domcop - Domcop allows you to find 2million+ expired domains and all of its pat information.
Unbound - Unbound is a validating, recursive, and caching DNS resolver.