Data verified Jun 2026
ADYour product here. Reach security decision-makers.Launch a campaignSubfinder Description
Fast passive subdomain enumeration tool. Subfinder is a fast and efficient subdomain enumeration tool that can be used to find subdomains of a given domain. It uses a combination of techniques such as DNS lookups, web scraping, and API queries to find subdomains. Subfinder is designed to be fast and efficient, making it suitable for use in penetration testing and vulnerability assessment. It is also highly customizable, allowing users to specify the types of subdomains to search for and the level of recursion.
Subfinder FAQ
Common questions about Subfinder including features, pricing, alternatives, and user reviews.
Subfinder is Fast passive subdomain enumeration tool. It is a Attack Surface solution designed to help security teams with Subdomain Enumeration.
Subfinder is a free Attack Surface tool. This makes it accessible for organizations of all sizes, from startups to enterprises. Visit https://github.com/projectdiscovery/subfinder/ for download and installation instructions.
Popular alternatives to Subfinder include:
1.Assetnote Attack Surface Management Tool - ASM platform that scans external attack surfaces hourly for vulnerabilities (Commercial)
2.Detectify Platform - Platform for external attack surface management and application security testing (Commercial)
3.Detectify Surface Monitoring - Monitors internet-facing subdomains for vulnerabilities and misconfigurations (Commercial)
4.Halo Security Attack Surface Discovery - Discovers and inventories internet-facing assets including subdomains, IPs, and apps. (Commercial)
5.Intruder Discover Attack Surface - Attack surface management platform for discovering and securing exposed assets (Commercial)
Compare all Subfinder alternatives at https://cybersectools.com/alternatives/subfinder
Subfinder is for security teams and organizations that need Subdomain Enumeration. It's particularly suitable for small to medium-sized teams looking for cost-effective solutions. Other Attack Surface tools can be found at https://cybersectools.com/categories/attack-surface
Have more questions? Browse our categories or search for specific tools.
