📄WHOIS
registered 20 years ago · expires 2/26/2029
🌐DNS
1 A · 1 MX · 3 NS · 1 PTR · 1 SOA · 5 TXT
🔒SSL/TLS
Let's Encrypt · TLSv1.3 · expires in 55d · 4 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✓ (p=reject)
🔐DNSSEC
signed · valid chain of trust
💻Tech Stack
Host: ACTIVE 24, s.r.o. · Email: Microsoft 365 · nginx
📡HTTP
1 redirect → 200 · HSTS ✓ · CSP ✗ · X-Frame ✓ · Nosniff ✓
🛡️Security
C (150/215) · 1 critical · 2 high
⚠️Threats
risk: low · 1 recommendation(s)
📈Deliverability
A (84/90) · 1 MX · 4 IPs · 3 issue(s)
🔍Subdomains
wildcard DNS — every guessed name resolves