🌐DNS
1 A · 2 MX · 3 NS · 1 SOA · 4 TXT
🔒SSL/TLS
Let's Encrypt · TLSv1.3 · ⚠ 27d left · 13 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✓ (p=reject)
💻Tech Stack
Host: Vodafone GmbH · Email: Self-hosted
📡HTTP
1 redirect → 200 · HSTS ✓ · CSP ✓ · X-Frame ✓ · Nosniff ✓
🛡️Security
C (150/225) · 1 critical · 3 high
📈Deliverability
A (88/100) · 2 MX · 2 IPs · 2 issue(s)
🔍Subdomains
3 found · 113 answered — pop, smtp, www