🌐DNS
1 A · 2 MX · 3 NS · 4 CAA · 1 PTR · 1 SOA · 10 TXT · 1 AAAA
🔒SSL/TLS
Hellenic Academic and Research Institutions CA · TLSv1.3 · expires in 165d · 72 SANs
✉️Email Auth
SPF ✗ · DKIM ✗ · DMARC ✗ (p=none)
🔐DNSSEC
signed · valid chain of trust
💻Tech Stack
Host: Leibniz-Rechenzentrum · Email: Self-hosted · Apache
📡HTTP
1 redirect → 200 · HSTS ✗ · CSP ✗ · X-Frame ✓ · Nosniff ✗
🛡️Security
B (168/215) · 2 critical · 1 high
⚠️Threats
risk: low · 1 recommendation(s)
📈Deliverability
A (81/90) · 2 MX · 8 IPs · 3 issue(s)
🔍Subdomains
2 found · 112 answered — status, www