📄WHOIS
Key-Systems GmbH · registered 26 years ago · expires 11/12/2029
🌐DNS
2 A · 5 MX · 4 NS · 2 PTR · 1 SOA · 19 TXT
🔒SSL/TLS
DigiCert Inc · TLSv1.2 · expires in 45d · 50 SANs
✉️Email Auth
SPF ✓ · DKIM ✓ · DMARC ✓ (p=reject)
💻Tech Stack
Host: Amazon.com, Inc. · Email: Google Workspace
📡HTTP
1 redirect → 403 · HSTS ✗ · CSP ✗ · X-Frame ✗ · Nosniff ✗
🛡️Security
C (145/215) · 1 critical · 2 high
⚠️Threats
risk: medium · 1 recommendation(s)
📈Deliverability
D (48/100) · 5 MX · 0 IPs · 2 issue(s)
🔍Subdomains
4 found · 94 answered (18 timed out) — mail, mobile, us, www