🌐DNS
2 A · 1 MX · 4 NS · 2 PTR · 1 SOA · 2 TXT
🔒SSL/TLS
Let's Encrypt · TLSv1.3 · expires in 52d · 5 SANs
✉️Email Auth
SPF ✓ · DKIM ✓ · DMARC ✓ (p=quarantine)
💻Tech Stack
Host: Amazon Web Services · Email: Microsoft 365 · DNS: AWS Route 53 · Envoy
📡HTTP
3 redirect → 200 · HSTS ✓ · CSP ✓ · X-Frame ✓ · Nosniff ✗
🛡️Security
C (125/225) · 3 critical · 3 high
📈Deliverability
D (44/100) · 1 MX · 0 IPs · 3 issue(s)
🔍Subdomains
17 found · 113 answered — auth, email, en, groups, imap, kb +11 more