📄WHOIS
CPS-Datensysteme GmbH · registered 11 years ago · expires 6/10/2027
🌐DNS
4 A · 1 MX · 3 NS · 1 CAA · 4 PTR · 1 SOA · 2 TXT · 4 AAAA
🔒SSL/TLS
Let's Encrypt · TLSv1.3 · expires in 83d · 1 SANs
✉️Email Auth
SPF ✓ · DKIM ✓ · DMARC ✗
💻Tech Stack
Host: Fastly, Inc. · Email: Self-hosted
📡HTTP
1 redirect → 200 · HSTS ✗ · CSP ✗ · X-Frame ✗ · Nosniff ✗
🛡️Security
B (170/225) · 1 critical · 2 high
⚠️Threats
risk: low · 1 recommendation(s)
📈Deliverability
A (86/100) · 1 MX · 2 IPs · 2 issue(s)
🔍Subdomains
5 found · 113 answered — autoconfig, autodiscover, mx, webmail, www