📄WHOIS
Key-Systems GmbH · registered 29 years ago · expires 6/19/2027
🌐DNS
2 A · 2 MX · 1 SOA · 2 AAAA
🔒SSL/TLS
Google Trust Services · TLSv1.3 · expires in 37d · 1 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✓ (p=reject)
💻Tech Stack
Host: Cloudflare · Email: Self-hosted · Cloudflare
📡HTTP
2 redirect → 200 · HSTS ✓ · CSP ✓ · X-Frame ✓ · Nosniff ✓
🛡️Security
C (130/225) · 2 critical · 3 high
📈Deliverability
F (30/100) · 0 MX · 0 IPs · 3 issue(s)
🔍Subdomains
4 found · 113 answered — email, m, mobile, www
📚Web Archive
no snapshots found