Hello You
Educational platform · Public data only

Cyber intelligence, democratized for learning.

Investigate usernames, emails, domains, IPs and certificates using only publicly available signals. Build relationship graphs, generate AI-style reports, and export PDF/CSV/JSON.

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Username enumeration

Check 36 public platforms instantly.

Domain & DNS intel

A/AAAA/MX/NS/TXT/SOA/CAA, DNSSEC, subdomains via CT logs.

SSL & certificates

Real TLS handshake, X.509 parsing, chain validation.

WHOIS via RDAP

IETF-standard registration data from registries.

Tech fingerprinting

Detect 30+ frameworks, servers, CDNs, analytics.

Relationship graphs

Auto-derived entity graphs you can pan, zoom, drag.

Built responsibly

  • Only public, free OSINT sources are used.
  • No scraping behind logins, no credential abuse.
  • Port scanning is gated behind explicit authorization.
  • Every lookup is logged for transparency and audit.
$ curl -X POST $API/api/v1/dns/example.com -H "Authorization: Bearer …" { "a": ["93.184.216.34"], "aaaa": [], "mx": [{"priority": 10, "host": "…"}], … }