📄WHOIS
Key-Systems GmbH · registered 28 years ago · expires 3/26/2034
🌐DNS
4 A · 1 MX · 4 NS · 4 PTR · 1 SOA · 2 TXT
🔒SSL/TLS
Amazon · TLSv1.3 · expires in 172d · 1 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✗ (p=none)
💻Tech Stack
Host: Amazon Web Services · Email: Self-hosted · DNS: AWS Route 53 · Apache · PHP
📡HTTP
1 redirect → 200 · HSTS ✗ · CSP ✗ · X-Frame ✗ · Nosniff ✗
🛡️Security
B (155/215) · 1 critical · 2 high
📈Deliverability
B (75/90) · 1 MX · 1 IPs · 5 issue(s)
🔍Subdomains
wildcard DNS — every guessed name resolves