📄WHOIS
registered 21 years ago · expires 11/23/2026
🌐DNS
1 A · 4 MX · 3 NS · 3 CAA · 1 SOA · 3 TXT
🔒SSL/TLS
Let's Encrypt · TLSv1.3 · expires in 51d · 2 SANs
✉️Email Auth
SPF ✓ · DKIM ✓ · DMARC ✓ (p=reject)
🔐DNSSEC
signed · valid chain of trust
💻Tech Stack
Host: MAFRA, a.s. · Email: Self-hosted
📡HTTP
2 redirect → 200 · HSTS ✓ · CSP ✓ · X-Frame ✓ · Nosniff ✓
🛡️Security
B (170/215) · 1 critical · 1 high
⚠️Threats
risk: low · 1 recommendation(s)
📈Deliverability
A+ (98/100) · 4 MX · 4 IPs · 1 issue(s)
🔍Subdomains
1 found · 87 answered (25 timed out) — www