📄WHOIS
Gransy s.r.o. · registered 15 years ago · expires 8/14/2028
🌐DNS
2 A · 2 MX · 3 NS · 2 PTR · 1 SOA · 2 TXT
🔒SSL/TLS
Amazon · TLSv1.2 · expires in 200d · 1 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✓ (p=reject)
💻Tech Stack
Host: Amazon Web Services · Email: Self-hosted · OpenResty
📡HTTP
1 redirect → 200 · HSTS ✗ · CSP ✗ · X-Frame ✗ · Nosniff ✗
🛡️Security
B (160/215) · 1 critical · 2 high
📈Deliverability
A+ (86/90) · 2 MX · 2 IPs · 3 issue(s)
🔍Subdomains
2 found · 109 answered (3 timed out) — mail, www