📄WHOIS
Key-Systems GmbH · registered 18 years ago · expires 7/18/2027
🌐DNS
1 A · 1 MX · 4 NS · 1 SOA · 6 TXT
🔒SSL/TLS
DigiCert, Inc. · TLSv1.2 · expires in 59d · 2 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✓ (p=quarantine)
💻Tech Stack
Host: Internet Initiative Japan Inc. · Email: Microsoft 365 · DNS: AWS Route 53 · nginx
📡HTTP
1 redirect → 200 · HSTS ✓ · CSP ✗ · X-Frame ✓ · Nosniff ✓
🛡️Security
B (155/215) · 1 critical · 2 high
📈Deliverability
F (34/90) · 1 MX · 0 IPs · 4 issue(s)
🔍Subdomains
3 found · 98 answered (14 timed out) — email, us, www