projectdiscovery/SubFinder Action

SubFinder is a passive subdomain discovery tool that discovers valid subdomains for websites.

View on GitHub

Trust Signals

Scorecard Score
Scorecard 2–4scored Jul 6, 2026
Maintenance Recency
Stalelast commit Apr 18, 2022
License
MIT

Pinned Snippet

workflow.ymlSHA-pinned
uses: projectdiscovery/subfinder-action@428851226b657bb9d743eee025cc0b676b4c8447 # v1.0.0

tags can be moved; commit SHAs can't. why a SHA?

namedescriptionrequireddefault
domainDomain to run subdomain enumerationyes""
listList of domains to run subdomain enumerationno""
configConfig file to use for subdomain enumerationno""
outputFile to save output resultnosubfinder.log
flagsAdditional subfinder CLI flags to useno
activeFilter subdomains with no DNS recordsnofalse
jsonFormat to save of output filenofalse

no outputs