Reply To: How to find if sub is wildcard? Home › Forums › Bug Bounty Q&A › How to find if sub is wildcard? › Reply To: How to find if sub is wildcard? Gal NagliKeymaster That way, it will bruteforce the list of subdomains, find the valid ones – and later will take care of the wildcards, leaving you with a unique list of subdomains that you don’t have to worry about wildcards.