📄WHOIS
registered 17 years ago · expires 6/2/2027
🌐DNS
1 A · 1 MX · 3 NS · 1 CAA · 1 SOA · 2 TXT · 1 AAAA
🔒SSL/TLS
DigiCert Inc · TLSv1.2 · expires in 75d · 9 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✓ (p=quarantine)
🔐DNSSEC
signed · valid chain of trust
💻Tech Stack
Host: O2 Czech Republic, a.s. · Email: Self-hosted · Apache
📡HTTP
1 redirect → 200 · HSTS ✓ · CSP ✓ · X-Frame ✓ · Nosniff ✓
🛡️Security
B (175/215) · 1 critical · 1 high
📈Deliverability
A (82/90) · 1 MX · 1 IPs · 4 issue(s)
🔍Subdomains
0 found · 112 answered