Phonebook.cz

Search engine of email addresses indexed from the web. Enter a domain to list addresses and the pages where they appeared.

One identifier in, one reconciled view out: runs an email, username, phone or domain across the OSINT APIs you hold keys for (OSI, Dehashed, Opsis) and merges results with per-source attribution.

Finds professional email addresses for a company domain, infers the address pattern (e.g. first.last@), and verifies deliverability.

Browser-based OSINT search across 700+ modules. 400+ username platform checks, 330+ email enrichment modules, plus WHOIS, DNS and reverse-WHOIS for domains.

Collects emails, subdomains, hosts, employee names and IPs for a domain from search engines, PGP servers, certificate logs and APIs.

Fast regex search across half a million public GitHub repos. Find leaked config, internal hostnames, emails or API endpoints mentioning a target.