🌐DNS
1 A · 1 MX · 3 NS · 1 SOA · 2 TXT · 1 AAAA
🔒SSL/TLS
Sectigo Limited · TLSv1.3 · expires in 150d · 2 SANs
✉️Email Auth
SPF ✓ · DKIM ✓ · DMARC ✗ (p=none)
💻Tech Stack
Host: NhanHoa Software company · Email: Self-hosted · Apache
📡HTTP
1 redirect → 200 · HSTS ✗ · CSP ✗ · X-Frame ✗ · Nosniff ✗
🛡️Security
C (145/215) · 1 critical · 2 high
📈Deliverability
A (89/100) · 1 MX · 1 IPs · 3 issue(s)
🔍Subdomains
3 found · 112 answered — ftp, mail, www