📄WHOIS
Cronon GmbH · registered 29 years ago · expires 9/2/2026
🌐DNS
1 A · 4 MX · 3 NS · 1 SOA · 3 TXT
🔒SSL/TLS
Let's Encrypt · TLSv1.3 · expires in 64d · 1 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✓ (p=reject)
💻Tech Stack
Host: TWL-KOM GmbH · Email: Self-hosted
📡HTTP
3 redirect → 200 · HSTS ✓ · CSP ✓ · X-Frame ✓ · Nosniff ✓
🛡️Security
B (155/215) · 1 critical · 2 high
⚠️Threats
risk: low · 1 recommendation(s)
📈Deliverability
A+ (88/90) · 4 MX · 4 IPs · 2 issue(s)
🔍Subdomains
1 found · 112 answered — www