# IndoAsia Teknologi

Security Observatory / Defensive Security Lab untuk pengguna Indonesia.

Canonical: https://indoasiateknologi.com/

## Core pages
- / — observatory homepage
- /guides/email-spoofing.html — SPF, DKIM, DMARC, Return-Path, Received chain, spoofing vs mailbox compromise
- /guides/domain-security.html — registrar, nameserver, DNSSEC, CAA, proxy, origin exposure, HTTPS/TLS, email DNS
- /tools/header-checker.html — local browser-only email header parser; no upload
- /methodology.html — PASS/WARN/FAIL/UNKNOWN methodology and limitations

## Principles
- defensive security only
- passive/public-data checks first
- no invasive scanning
- no credential collection
- explain evidence and limitations