🌐DNS
2 A · 3 MX · 5 NS · 2 PTR · 1 SOA · 1 TXT · 2 AAAA
🔒SSL/TLS
Hellenic Academic and Research Institutions CA · TLSv1.3 · expires in 216d · 1 SANs
✉️Email Auth
SPF ✗ · DKIM ✗ · DMARC ✗ (p=none)
💻Tech Stack
Host: BelWue-Koordination · Email: Self-hosted · Apache
📡HTTP
1 redirect → 200 · HSTS ✓ · CSP ✓ · X-Frame ✓ · Nosniff ✓
🛡️Security
B (158/215) · 2 critical · 2 high
📈Deliverability
A (77/90) · 3 MX · 6 IPs · 4 issue(s)
🔍Subdomains
6 found · 104 answered (8 timed out) — autoconfig, autodiscover, imap, mail, smtp, www