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External Reconnaissance

Daethyra edited this page Sep 26, 2025 · 1 revision

External Recon for Hosts/Domains

Target Validation(Passive) WHOIS, nslookup, dnsrecon, hunter.io, phonebook.cz
Data Breaches(Passive) HaveIBeenPwned, Dehashed, Breach-Parse, WeLeakInfo
Subdomain Enumeration(Active) Startpage, nmap, crt.sh, amass, theharvester, sublist3r, autorecon by Grimmie
Fingerprinting(Active) Nmap, Wappalyzer, Caido/Burp Suite

Discovering Email Addresses

Hunter.io

A website that allows for email address discovery. Entering a domain may return the syntax for the company's email addresses.

Try searching your own company :3

Phonebook.cz

Another website allowing email address discovery. This search tool returns email addresses it has on file based on the user's search query, which could then be copy/pasted into a list for use in password spraying.

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