Subdomains and Certificate Transparency
crt.sh, subfinder, Amass, assetfinder, openssl s_client — YOUR domains only.
1. Why Subdomains Matter to Defenders
Part of OSINT with AI — Subdomains and Certificate Transparency.
15 min
+39 XP
2. crt.sh and Certificate Transparency
Part of OSINT with AI — Subdomains and Certificate Transparency.
15 min
+39 XP
3. subfinder Amass and assetfinder on YOUR Domain
Part of OSINT with AI — Subdomains and Certificate Transparency.
15 min
+39 XP
4. Lab — CT and Subdomain Notes YOU Own
Part of OSINT with AI — Subdomains and Certificate Transparency.
25 min
+39 XP
5. Quiz — Subdomains and CT
Part of OSINT with AI — Subdomains and Certificate Transparency.
10 min
+39 XP