🌐DNS
1 A · 1 MX · 4 NS · 1 PTR · 1 SOA · 6 TXT
🔒SSL/TLS
Let's Encrypt · TLSv1.2 · expires in 35d · 4 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✗ (p=none)
💻Tech Stack
Host: PlusServer GmbH · Email: Self-hosted · DNS: AWS Route 53 · Cloudflare
📡HTTP
3 redirect → 200 · HSTS ✓ · CSP ✓ · X-Frame ✓ · Nosniff ✓
🛡️Security
B (155/215) · 1 critical · 2 high
📈Deliverability
F (29/90) · 1 MX · 0 IPs · 5 issue(s)
🔍Subdomains
wildcard DNS — every guessed name resolves
📚Web Archive
no snapshots found