📄WHOIS
Network Solutions, LLC · registered 26 years ago · expires 3/1/2030
🌐DNS
1 A · 3 MX · 3 NS · 4 CAA · 1 PTR · 1 SOA · 1 TXT
🔒SSL/TLS
Let's Encrypt · TLSv1.3 · expires in 66d · 2 SANs
✉️Email Auth
SPF ✓ · DKIM ✓ · DMARC ✓ (p=reject)
💻Tech Stack
Host: Bringe Informationstechnik GmbH · Email: Self-hosted · Apache
📡HTTP
1 redirect → 200 · HSTS ✓ · CSP ✗ · X-Frame ✓ · Nosniff ✗
🛡️Security
B (165/215) · 1 critical · 1 high
📈Deliverability
A+ (100/100) · 3 MX · 3 IPs
🔍Subdomains
6 found · 112 answered — autoconfig, autodiscover, mail, mx1, owa, www