📄WHOIS
SURF B.V. · registered 38 years ago
🌐DNS
1 A · 2 MX · 4 NS · 7 CAA · 1 PTR · 1 SOA · 15 TXT
🔒SSL/TLS
Hellenic Academic and Research Institutions CA · TLSv1.3 · expires in 122d · 19 SANs
✉️Email Auth
SPF ✓ · DKIM ✓ · DMARC ✓ (p=quarantine)
💻Tech Stack
Host: SURF B.V. · Email: Self-hosted
📡HTTP
2 redirect → 200 · HSTS ✓ · CSP ✓ · X-Frame ✓ · Nosniff ✓
🛡️Security
B (175/215) · 1 critical · 1 high
📈Deliverability
A+ (98/100) · 2 MX · 16 IPs · 1 issue(s)
🔍Subdomains
2 found · 112 answered — www, www2