🌐DNS
1 A · 1 MX · 4 NS · 1 PTR · 1 SOA · 3 TXT
🔒SSL/TLS
Let's Encrypt · TLSv1.2 · expires in 48d · 2 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✓ (p=reject)
💻Tech Stack
Host: Rundfunk Berlin-Brandenburg RBB · Email: Microsoft 365
📡HTTP
1 redirect → 200 · HSTS ✓ · CSP ✗ · X-Frame ✗ · Nosniff ✓
🛡️Security
B (155/215) · 1 critical · 2 high
📈Deliverability
B (71/90) · 1 MX · 4 IPs · 6 issue(s)
🔍Subdomains
3 found · 95 answered (17 timed out) — autodiscover, mobile, www