📄WHOIS
CSL Computer Service Langenbach GmbH d/b/a joker.com · registered 19 years ago · expires 12/5/2027
🌐DNS
1 A · 5 MX · 2 NS · 1 PTR · 1 SOA · 2 TXT · 1 AAAA
🔒SSL/TLS
Let's Encrypt · TLSv1.3 · expires in 70d · 8 SANs
✉️Email Auth
SPF ✓ · DKIM ✓ · DMARC ✗ (p=none)
💻Tech Stack
Host: Hetzner · Email: Google Workspace · Envoy
📡HTTP
2 redirect → 200 · HSTS ✓ · CSP ✗ · X-Frame ✗ · Nosniff ✓
🛡️Security
B (165/215) · 1 critical · 2 high
📈Deliverability
A (89/100) · 5 MX · 10 IPs · 3 issue(s)
🔍Subdomains
wildcard DNS — every guessed name resolves