🌐DNS
3 A · 1 MX · 2 NS · 3 PTR · 1 SOA · 2 TXT
🔒SSL/TLS
Entrust Limited · TLSv1.3 · expires in 73d · 2 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✓ (p=reject)
💻Tech Stack
CDN: Cloudflare · Host: VIETNAM POSTS AND TELECOMMUNICATIONS GROUP · Email: Self-hosted · OpenResty
📡HTTP
1 redirect → 200 · HSTS ✗ · CSP ✗ · X-Frame ✓ · Nosniff ✗
🛡️Security
C (140/215) · 1 critical · 2 high
⚠️Threats
risk: low · 1 recommendation(s)
📈Deliverability
D (36/90) · 1 MX · 0 IPs · 3 issue(s)
🔍Subdomains
7 found · 73 answered (39 timed out) — cdn, m, media, pop, smtp, static +1 more