📄WHOIS
CSL Computer Service Langenbach GmbH d/b/a joker.com · registered 29 years ago · expires 1/8/2027
🌐DNS
1 A · 2 MX · 7 NS · 3 CAA · 1 PTR · 1 SOA · 2 TXT · 1 AAAA
🔒SSL/TLS
Let's Encrypt · TLSv1.2 · expires in 88d · 15 SANs
✉️Email Auth
SPF ✗ · DKIM ✗ · DMARC ✗
💻Tech Stack
Host: netcup GmbH · Email: Self-hosted · nginx
📡HTTP
1 redirect → 200 · HSTS ✗ · CSP ✗ · X-Frame ✗ · Nosniff ✗
🛡️Security
B (168/225) · 2 critical · 2 high
📈Deliverability
B (73/100) · 2 MX · 4 IPs · 4 issue(s)
🔍Subdomains
3 found · 113 answered — mail, mx, www
📚Web Archive
first snapshot 1997-04-10 · 29y archived