🌐DNS
1 A · 4 MX · 2 NS · 1 SOA · 8 TXT
🔒SSL/TLS
GlobalSign nv-sa · TLSv1.3 · expires in 217d · 2 SANs
✉️Email Auth
SPF ✓ · DKIM ✓ · DMARC ✗ (p=none)
💻Tech Stack
Host: Cluster-Team Guenter Haeusler & Andreas Specht GbR · Email: Self-hosted
📡HTTP
1 redirect → 200 · HSTS ✓ · CSP ✓ · X-Frame ✓ · Nosniff ✓
🛡️Security
C (150/215) · 1 critical · 2 high
⚠️Threats
risk: medium · 1 recommendation(s)
📈Deliverability
A (93/100) · 4 MX · 3 IPs · 2 issue(s)
🔍Subdomains
9 found · 112 answered — autodiscover, ftp, m, mail, pop3, smtp +3 more
📚Web Archive
no snapshots found