📄WHOIS
Key-Systems GmbH · registered 30 years ago · expires 7/25/2027
🌐DNS
1 A · 4 MX · 6 NS · 1 SOA · 17 TXT
🔒SSL/TLS
Let's Encrypt · TLSv1.3 · expires in 78d · 1 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✓ (p=reject)
💻Tech Stack
Host: Microsoft Azure · Email: Self-hosted · DNS: AWS Route 53 · nginx
📡HTTP
HTTP 404 · HSTS ✗ · CSP ✗ · X-Frame ✗ · Nosniff ✗
🛡️Security
B (155/215) · 1 critical · 2 high
⚠️Threats
risk: low · 1 recommendation(s)
📈Deliverability
A+ (88/90) · 4 MX · 4 IPs · 2 issue(s)
🔍Subdomains
4 found · 93 answered (19 timed out) — m, stage, webmail, www
📚Web Archive
first snapshot 1998-12-05 · 27y archived