📄WHOIS
World4You Internet Services GmbH · registered 31 years ago · expires 11/14/2026
🌐DNS
1 A · 3 MX · 6 NS · 1 PTR · 1 SOA · 17 TXT
🔒SSL/TLS
DigiCert Inc · TLSv1.3 · expires in 215d · 2 SANs
✉️Email Auth
SPF ✓ · DKIM ✓ · DMARC ✗ (p=none)
💻Tech Stack
Host: IONOS SE · Email: Self-hosted · Apache
📡HTTP
2 redirect → 200 · HSTS ✓ · CSP ✗ · X-Frame ✗ · Nosniff ✓
🛡️Security
C (150/215) · 1 critical · 2 high
⚠️Threats
risk: medium · 1 recommendation(s)
📈Deliverability
A (93/100) · 3 MX · 6 IPs · 2 issue(s)
🔍Subdomains
3 found · 53 answered (59 timed out) — cdn, mx1, www
📚Web Archive
no snapshots found