📄WHOIS
Deutsche Telekom AG · registered 29 years ago · expires 12/22/2026
🌐DNS
1 A · 4 MX · 4 NS · 1 SOA · 13 TXT
🔒SSL/TLS
DigiCert Inc · TLSv1.3 · expires in 180d · 43 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✓ (p=reject)
💻Tech Stack
Host: Microsoft Azure · Email: Self-hosted
📡HTTP
2 redirect → 200 · HSTS ✓ · CSP ✗ · X-Frame ✓ · Nosniff ✗
🛡️Security
B (155/215) · 1 critical · 2 high
📈Deliverability
F (30/90) · 0 MX · 0 IPs · 3 issue(s)
🔍Subdomains
2 found · 112 answered — mail, www