🌐DNS
2 A · 1 MX · 3 NS · 2 PTR · 1 SOA · 5 TXT
🔒SSL/TLS
GlobalSign nv-sa · TLSv1.3 · expires in 232d · 2 SANs
✉️Email Auth
SPF ✗ · DKIM ✓ · DMARC ✗
💻Tech Stack
Host: VIETNAM POSTS AND TELECOMMUNICATIONS GROUP · Email: Self-hosted · OpenResty
📡HTTP
1 redirect → 200 · HSTS ✗ · CSP ✗ · X-Frame ✓ · Nosniff ✓
🛡️Security
C (148/215) · 1 critical · 2 high
📈Deliverability
B (82/100) · 1 MX · 1 IPs · 3 issue(s)
🔍Subdomains
wildcard DNS — every guessed name resolves
📚Web Archive
no snapshots found