🌐DNS
1 A · 2 MX · 4 NS · 1 PTR · 1 SOA · 1 TXT
🔒SSL/TLS
D-Trust GmbH · TLSv1.3 · expires in 99d · 40 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✓ (p=reject)
🔐DNSSEC
signed · valid chain of trust
💻Tech Stack
Host: ITZBund · Email: Self-hosted · Apache
📡HTTP
2 redirect → 400 · HSTS ✗ · CSP ✗ · X-Frame ✗ · Nosniff ✗
🛡️Security
B (160/215) · 1 critical · 2 high
📈Deliverability
A+ (90/90) · 2 MX · 2 IPs · 1 issue(s)
🔍Subdomains
1 found · 99 answered (13 timed out) — www
📚Web Archive
first snapshot 2005-07-28 · 20y archived