🌐DNS
1 A · 3 MX · 4 NS · 1 PTR · 1 SOA · 7 TXT · 1 AAAA
🔒SSL/TLS
Hellenic Academic and Research Institutions CA · TLSv1.3 · expires in 125d · 4 SANs
✉️Email Auth
SPF ✗ · DKIM ✗ · DMARC ✗ (p=none)
🔐DNSSEC
signed · valid chain of trust
💻Tech Stack
Host: Verein zur Foerderung eines Deutschen Forschungsnetzes e.V. · Email: Self-hosted · Apache
📡HTTP
2 redirect → 200 · HSTS ✓ · CSP ✗ · X-Frame ✗ · Nosniff ✗
🛡️Security
B (158/215) · 2 critical · 2 high
📈Deliverability
B (75/90) · 3 MX · 1 IPs · 5 issue(s)
🔍Subdomains
5 found · 112 answered — autodiscover, ftp, mail, smtp, www