📄WHOIS
Hosting Concepts B.V. dba Openprovider · registered 21 years ago · expires 2/1/2027
🌐DNS
1 A · 5 MX · 3 NS · 1 PTR · 1 SOA · 2 TXT
🔒SSL/TLS
Let's Encrypt · TLSv1.3 · expires in 57d · 1 SANs
✉️Email Auth
SPF ✓ · DKIM ✓ · DMARC ✓ (p=reject)
🔐DNSSEC
signed · valid chain of trust
💻Tech Stack
Host: Cloudflare · Email: Google Workspace · Cloudflare
📡HTTP
2 redirect → 200 · HSTS ✓ · CSP ✓ · X-Frame ✓ · Nosniff ✓
🛡️Security
B (160/215) · 1 critical · 2 high
📈Deliverability
A (92/100) · 5 MX · 10 IPs · 3 issue(s)
🔍Subdomains
1 found · 101 answered (11 timed out) — www