📄WHOIS
Key-Systems GmbH · registered 24 years ago · expires 11/29/2026
🌐DNS
1 A · 4 MX · 3 NS · 1 PTR · 1 SOA · 3 TXT · 1 AAAA
🔒SSL/TLS
Sectigo Limited · TLSv1.3 · expires in 51d · 2 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✗ (p=none)
💻Tech Stack
Host: SOPRADO GmbH · Email: Self-hosted
📡HTTP
2 redirect → 200 · HSTS ✓ · CSP ✗ · X-Frame ✓ · Nosniff ✓
🛡️Security
B (155/215) · 1 critical · 2 high
📈Deliverability
A (79/90) · 4 MX · 8 IPs · 4 issue(s)
🔍Subdomains
4 found · 94 answered (18 timed out) — blog, en, monitor, www
📚Web Archive
no snapshots found