🌐DNS
1 A · 2 MX · 4 NS · 1 SOA · 2 TXT
🔒SSL/TLS
D-Trust GmbH · TLSv1.3 · expires in 103d · 73 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✓ (p=quarantine)
🔐DNSSEC
signed · valid chain of trust
💻Tech Stack
Host: ITZBund · Email: Self-hosted · Apache
📡HTTP
3 redirect → 200 · HSTS ✓ · CSP ✓ · X-Frame ✓ · Nosniff ✓
🛡️Security
B (160/215) · 1 critical · 2 high
📈Deliverability
A+ (88/90) · 2 MX · 2 IPs · 2 issue(s)
🔍Subdomains
2 found · 112 answered — en, www