📄WHOIS
registered 29 years ago · expires 10/20/2026
🌐DNS
1 A · 1 MX · 3 NS · 1 PTR · 1 SOA · 6 TXT
🔒SSL/TLS
Hellenic Academic and Research Institutions CA · TLSv1.2 · expires in 92d · 2 SANs
✉️Email Auth
SPF ✓ · DKIM ✓ · DMARC ✓ (p=quarantine)
💻Tech Stack
Host: CESNET z.s.p.o. · Email: Microsoft 365 · nginx
📡HTTP
2 redirect → 200 · HSTS ✓ · CSP ✓ · X-Frame ✓ · Nosniff ✓
🛡️Security
D (120/225) · 3 critical · 3 high
⚠️Threats
risk: medium · 1 recommendation(s)
📈Deliverability
B (77/100) · 1 MX · 8 IPs · 7 issue(s)
🔍Subdomains
7 found · 113 answered — autodiscover, email, exchange, mail, media, smtp +1 more