🌐DNS
1 A · 3 MX · 4 NS · 9 CAA · 1 PTR · 1 SOA · 4 TXT
🔒SSL/TLS
Let's Encrypt · TLSv1.3 · expires in 88d · 1 SANs
✉️Email Auth
SPF ✗ · DKIM ✗ · DMARC ✗ (p=none)
💻Tech Stack
Host: Verein zur Foerderung eines Deutschen Forschungsnetzes e.V. · Email: Self-hosted
📡HTTP
3 redirect → 200 · HSTS ✓ · CSP ✓ · X-Frame ✓ · Nosniff ✗
🛡️Security
B (163/215) · 2 critical · 1 high
⚠️Threats
risk: low · 1 recommendation(s)
📈Deliverability
A (81/90) · 3 MX · 2 IPs · 3 issue(s)
🔍Subdomains
7 found · 99 answered (13 timed out) — email, imap, mail, pop, pop3, smtp +1 more
📚Web Archive
no snapshots found