📄WHOIS
World4You Internet Services GmbH · registered 32 years ago · expires 5/8/2027
🌐DNS
1 A · 2 MX · 4 NS · 6 CAA · 1 PTR · 1 SOA · 8 TXT
🔒SSL/TLS
Sectigo Limited · TLSv1.3 · expires in 230d · 2 SANs
✉️Email Auth
SPF ✗ · DKIM ✗ · DMARC ✓ (p=quarantine)
🔐DNSSEC
signed · valid chain of trust
💻Tech Stack
Host: IONOS SE · Email: Self-hosted · nginx
📡HTTP
2 redirect → 200 · HSTS ✓ · CSP ✓ · X-Frame ✓ · Nosniff ✓
🛡️Security
B (168/215) · 2 critical · 1 high
📈Deliverability
A (84/90) · 2 MX · 4 IPs · 3 issue(s)
🔍Subdomains
6 found · 102 answered (10 timed out) — imap, img, mail, pop, smtp, www
📚Web Archive
first snapshot 1998-12-05 · 27y archived