🌐DNS
1 A · 4 MX · 4 NS · 1 PTR · 1 SOA · 4 TXT
🔒SSL/TLS
Hellenic Academic and Research Institutions CA · TLSv1.3 · expires in 185d · 2 SANs
✉️Email Auth
SPF ✓ · DKIM ✓ · DMARC ✗ (p=none)
💻Tech Stack
Host: BelWue-Koordination · Email: Self-hosted · nginx
📡HTTP
2 redirect → 200 · HSTS ✗ · CSP ✗ · X-Frame ✓ · Nosniff ✓
🛡️Security
C (130/225) · 3 critical · 3 high
📈Deliverability
C (57/100) · 4 MX · 4 IPs · 8 issue(s)
🔍Subdomains
7 found · 113 answered — ftp, mail, media, smtp, webmail, www +1 more