📄WHOIS
Nhan Hoa Software Company Ltd. · registered 21 years ago · expires 11/16/2030
🌐DNS
1 A · 3 MX · 2 NS · 1 SOA · 7 TXT
🔒SSL/TLS
Let's Encrypt · TLSv1.3 · expires in 62d · 6 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✗ (p=none)
💻Tech Stack
CDN: Cloudflare · Host: NhanHoa Software company · Email: Self-hosted · IIS
📡HTTP
1 redirect → 200 · HSTS ✓ · CSP ✓ · X-Frame ✗ · Nosniff ✗
🛡️Security
C (145/225) · 1 critical · 3 high
⚠️Threats
risk: low · 1 recommendation(s)
📈Deliverability
F (35/100) · 3 MX · 0 IPs · 3 issue(s)
🔍Subdomains
3 found · 113 answered — cdn, mail, www