📄WHOIS
Key-Systems GmbH · registered 32 years ago · expires 10/31/2026
🌐DNS
2 A · 2 MX · 8 NS · 2 PTR · 1 SOA · 7 TXT
🔒SSL/TLS
Let's Encrypt · TLSv1.3 · expires in 83d · 1 SANs
✉️Email Auth
SPF ✗ · DKIM ✗ · DMARC ✗
💻Tech Stack
Host: Amazon Web Services · Email: Self-hosted · DNS: NS1
📡HTTP
1 redirect → 200 · HSTS ✓ · CSP ✓ · X-Frame ✓ · Nosniff ✓
🛡️Security
B (160/225) · 1 critical · 3 high
📈Deliverability
F (20/100) · 0 MX · 0 IPs · 4 issue(s)
🔍Subdomains
0 found · 113 answered