📄WHOIS
Key-Systems GmbH · registered 15 years ago · expires 2/3/2027
🌐DNS
1 A · 1 MX · 2 NS · 1 PTR · 1 SOA · 5 TXT
🔒SSL/TLS
Asseco Data Systems S.A. · TLSv1.3 · expires in 171d · 2 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✗ (p=none)
💻Tech Stack
Host: Cyber_Folks S.A. · Email: Self-hosted · nginx
📡HTTP
2 redirect → 200 · HSTS ✗ · CSP ✗ · X-Frame ✗ · Nosniff ✗
🛡️Security
C (145/215) · 1 critical · 2 high
📈Deliverability
B (75/90) · 1 MX · 1 IPs · 5 issue(s)
🔍Subdomains
wildcard DNS — every guessed name resolves