🌐DNS
1 A · 4 MX · 5 NS · 1 PTR · 1 SOA · 4 TXT · 1 AAAA
🔒SSL/TLS
Let's Encrypt · TLSv1.3 · expires in 85d · 6 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✗ (p=none)
💻Tech Stack
Host: NetCologne Gesellschaft fur Telekommunikation mbH · Email: Self-hosted · Apache
📡HTTP
1 redirect → 200 · HSTS ✗ · CSP ✗ · X-Frame ✗ · Nosniff ✗
🛡️Security
B (160/215) · 1 critical · 2 high
⚠️Threats
risk: low · 1 recommendation(s)
📈Deliverability
A (83/90) · 4 MX · 8 IPs · 3 issue(s)
🔍Subdomains
6 found · 100 answered (12 timed out) — ftp, imap, pop3, smtp, www, www2
📚Web Archive
no snapshots found