CCYNARKS LearnLogin
← All tools

SecurityTrails

OSINT — DNS · Intermediate

Historical DNS, subdomains, and WHOIS intelligence.

Knowledge reference only. Prefer in-browser Labs first. Use this tool only on systems you own or have written authorization to test.

What to learn

  • DNS history
  • Subdomains

Legitimate use

Freemium; API for automation on owned domains.

Official docs →

Example commands (lab VMs only)

  • Lookup your domain
    Review historical A/NS records