📄WHOIS
registered 29 years ago · expires 10/19/2027
🌐DNS
1 A · 1 MX · 3 NS · 1 PTR · 1 SOA · 2 TXT · 1 AAAA
🔒SSL/TLS
Let's Encrypt · TLSv1.3 · expires in 59d · 2 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✗ (p=none)
💻Tech Stack
Host: CESNET z.s.p.o. · Email: Self-hosted
📡HTTP
5 redirect → 200 · HSTS ✓ · CSP ✓ · X-Frame ✓ · Nosniff ✓
🛡️Security
B (160/225) · 1 critical · 3 high
📈Deliverability
B (81/100) · 1 MX · 2 IPs · 3 issue(s)
🔍Subdomains
2 found · 113 answered — mail, www