🌐DNS
1 A · 1 MX · 4 NS · 1 PTR · 1 SOA · 1 TXT
🔒SSL/TLS
Let's Encrypt · TLSv1.2 · expires in 78d · 2 SANs
✉️Email Auth
SPF ✗ · DKIM ✗ · DMARC ✗ (p=none)
💻Tech Stack
Email: Self-hosted · nginx
📡HTTP
1 redirect → 200 · HSTS ✗ · CSP ✓ · X-Frame ✗ · Nosniff ✗
🛡️Security
D (100/225) · 4 critical · 3 high
📈Deliverability
F (35/100) · 1 MX · 1 IPs · 7 issue(s)
🔍Subdomains
10 found · 113 answered — autoconfig, imap, mail, mx, mx1, mx2 +4 more