📄WHOIS
united-domains GmbH · registered 26 years ago · expires 10/8/2026
🌐DNS
1 A · 3 MX · 3 NS · 1 SOA · 5 TXT
🔒SSL/TLS
DigiCert Inc · TLSv1.3 · expires in 183d · 2 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✗
💻Tech Stack
Host: FIZ Karlsruhe - Leibniz-Institut fuer Informationsinfrastruktur GmbH · Email: Self-hosted
📡HTTP
5 redirect → 200 · HSTS ✓ · CSP ✓ · X-Frame ✓ · Nosniff ✓
🛡️Security
B (160/215) · 1 critical · 2 high
📈Deliverability
B (73/90) · 3 MX · 2 IPs · 4 issue(s)
🔍Subdomains
wildcard DNS — every guessed name resolves
📚Web Archive
no snapshots found