Subdomain Takeover Checker

Subdomain Takeover Checker

Detect subdomain takeover vulnerabilities for free

1 follower

Detects subdomain takeover vulnerabilities in seconds — free, no login required. Forgot to remove a DNS record after leaving Heroku, Vercel, or AWS? An attacker can claim that subdomain. SubdomainChecker follows the full CNAME chain and fingerprints 100+ services to tell you if you're at risk. → No data stored, no logging → Bulk check up to 10 subdomains → Open source

Subdomain Takeover Checker makers

Here are the founders, developers, designers and product people who worked on Subdomain Takeover Checker