📄WHOIS
Rijksoverheid · registered 18 years ago
🌐DNS
1 A · 2 MX · 4 NS · 6 CAA · 1 SOA · 2 TXT · 1 AAAA
🔒SSL/TLS
CERTSIGN SA · TLSv1.3 · expires in 122d · 8 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✓ (p=reject)
🔐DNSSEC
signed · valid chain of trust
💻Tech Stack
Host: Dienst Uitvoering Onderwijs · Email: Self-hosted
📡HTTP
2 redirect → 200 · HSTS ✓ · CSP ✓ · X-Frame ✓ · Nosniff ✓
🛡️Security
B (175/215) · 1 critical · 1 high
⚠️Threats
risk: high · 1 recommendation(s)
📈Deliverability
A+ (86/90) · 2 MX · 4 IPs · 3 issue(s)
🔍Subdomains
0 found · 112 answered
📚Web Archive
first snapshot 2009-06-14 · 17y archived