blechschmidt / massdns

A high-performance DNS stub resolver for bulk lookups and reconnaissance (subdomain enumeration)

projectdiscovery / dnsx

dnsx is a fast and multi-purpose DNS toolkit allow to run multiple DNS queries of your choice with a list of user-supplied resolvers.

projectdiscovery / shuffledns

MassDNS wrapper written in go to enumerate valid subdomains using active bruteforce as well as resolve subdomains with wildcard filtering and easy input-output support.