📄WHOIS
P.A. Viet Nam Company Limited · registered 13 years ago · expires 1/9/2034
🌐DNS
2 A · 3 MX · 2 NS · 1 SOA · 4 TXT · 2 AAAA
🔒SSL/TLS
Google Trust Services · TLSv1.3 · expires in 87d · 2 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✗
💻Tech Stack
CDN: Cloudflare · Email: Self-hosted · Cloudflare
📡HTTP
1 redirect → 200 · HSTS ✗ · CSP ✗ · X-Frame ✗ · Nosniff ✗
🛡️Security
C (130/225) · 2 critical · 3 high
⚠️Threats
risk: medium · 2 recommendation(s)
📈Deliverability
B (70/100) · 3 MX · 5 IPs · 5 issue(s)
🔍Subdomains
48 found · 113 answered — accounts, apps, auth, calendar, careers, chat +42 more