🌐DNS
1 A · 2 MX · 2 NS · 1 SOA · 12 TXT
🔒SSL/TLS
D-Trust GmbH · TLSv1.3 · expires in 100d · 20 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✓ (p=quarantine)
🔐DNSSEC
signed · valid chain of trust
💻Tech Stack
Host: TUEV NORD Service GmbH & Co KG · Email: Self-hosted
📡HTTP
3 redirect → 200 · HSTS ✓ · CSP ✓ · X-Frame ✓ · Nosniff ✓
🛡️Security
C (150/215) · 1 critical · 2 high
📈Deliverability
A (80/90) · 2 MX · 2 IPs · 4 issue(s)
🔍Subdomains
5 found · 112 answered — autodiscover, mail, webmail, www, www2
📚Web Archive
first snapshot 1998-01-23 · 28y archived