📄WHOIS
Key-Systems GmbH · registered 15 years ago · ⚠ expires in 22 days
🌐DNS
1 A · 3 MX · 3 NS · 3 CAA · 1 PTR · 1 SOA · 3 TXT · 1 AAAA
🔒SSL/TLS
Let's Encrypt · TLSv1.3 · expires in 56d · 16 SANs
✉️Email Auth
SPF ✗ · DKIM ✗ · DMARC ✗ (p=none)
💻Tech Stack
Host: Hetzner · Email: Self-hosted · DNS: Hetzner · nginx
📡HTTP
1 redirect → 200 · HSTS ✓ · CSP ✓ · X-Frame ✓ · Nosniff ✓
🛡️Security
B (168/215) · 2 critical · 1 high
⚠️Threats
risk: low · 1 recommendation(s)
📈Deliverability
A (79/90) · 3 MX · 3 IPs · 4 issue(s)
🔍Subdomains
3 found · 112 answered — uk, us, www
📚Web Archive
no snapshots found