Run authorized vulnerability scans against your web applications, APIs, and domains. Verify domain ownership, get actionable results, and secure your attack surface — all from one platform.
3 free scans on signup • No credit card required
╔══════════════════════════════════╗ ║ ✓ 443/tcp open https ║ ║ ✓ 80/tcp open http ║ ║ ! 22/tcp open ssh ║ ║ ✓ CORS misconfiguration ║ ║ ✗ Missing HSTS header ║ ║ ✓ subdomain.dev.offsecai.xyz ║ ║ ! TLS 1.0 still enabled ║ ╚══════════════════════════════════╝
Web-focused external testing — authorized scans against domains you own.
Discover open ports and running services on your web-facing infrastructure. Identify unintended exposures before attackers do.
1 creditComprehensive web vulnerability scanning with Nuclei and Nikto. Covers misconfigurations, CVEs, exposed panels, XSS, and more.
3 creditsMap your domain's DNS footprint — discover all name servers, zone records, and potential takeovers across your DNS infrastructure.
2 creditsUncover forgotten or unmonitored subdomains that expand your attack surface. Passive + active enumeration from multiple sources.
2 creditsFind hidden directories, backup files, admin panels, and exposed endpoints on your web servers through intelligent brute-force.
2 creditsAll five scans combined — ports, vulnerabilities, DNS, subdomains, and directories. The complete external assessment for your domain.
8 creditsSign up with your domain email. We auto-verify you own the domain — only you can scan what you own.
Pick from port scanning, vulnerability assessment, DNS recon, subdomain discovery, directory brute-force, or a full audit.
Receive detailed, actionable scan results. Open ports, vulnerabilities found, exposed endpoints — all in one report.
Pay per scan or subscribe. Every account starts with 3 free scans.