🌐DNS
1 A · 1 MX · 4 NS · 1 SOA · 2 TXT
🔒SSL/TLS
Amazon · TLSv1.3 · expires in 103d · 2 SANs
✉️Email Auth
SPF ✓ · DKIM ✓ · DMARC ✓ (p=reject)
💻Tech Stack
Host: DB Systel GmbH · Email: Microsoft 365 · DNS: AWS Route 53
📡HTTP
1 redirect → 200 · HSTS ✓ · CSP ✓ · X-Frame ✓ · Nosniff ✓
🛡️Security
B (155/215) · 1 critical · 2 high
📈Deliverability
A+ (96/100) · 1 MX · 4 IPs · 1 issue(s)
🔍Subdomains
5 found · 90 answered (22 timed out) — autodiscover, exchange, m, mobile, www