📄WHOIS
Key-Systems LLC · registered 4 years ago · expires 6/9/2027
🌐DNS
1 A · 1 MX · 4 NS · 1 SOA · 1 TXT
🔒SSL/TLS
Let's Encrypt · TLSv1.3 · expires in 82d · 1 SANs
✉️Email Auth
SPF ✗ · DKIM ✓ · DMARC ✗
💻Tech Stack
Host: DDOS-GUARD LTD · Email: Self-hosted
📡HTTP
HTTP 200 · HSTS ✗ · CSP ✗ · X-Frame ✓ · Nosniff ✗
🛡️Security
C (133/225) · 2 critical · 3 high
📈Deliverability
B (75/100) · 1 MX · 2 IPs · 5 issue(s)
🔍Subdomains
1 found · 113 answered — mail