🌐DNS
1 A · 3 MX · 3 NS · 6 CAA · 1 PTR · 1 SOA · 18 TXT
🔒SSL/TLS
Sectigo Limited · TLSv1.3 · expires in 204d · 2 SANs
✉️Email Auth
SPF ✓ · DKIM ✓ · DMARC ✓ (p=reject)
💻Tech Stack
Host: NorthC Deutschland GmbH · Email: Self-hosted
📡HTTP
1 redirect → 200 · HSTS ✓ · CSP ✓ · X-Frame ✓ · Nosniff ✓
🛡️Security
B (175/215) · 1 critical · 1 high
📈Deliverability
A+ (100/100) · 3 MX · 3 IPs
🔍Subdomains
wildcard DNS — every guessed name resolves