📄WHOIS
Rijksuniversiteit Groningen · registered 38 years ago
🌐DNS
1 A · 5 MX · 5 NS · 1 PTR · 1 SOA · 8 TXT · 1 AAAA
🔒SSL/TLS
Hellenic Academic and Research Institutions CA · TLSv1.3 · expires in 161d · 7 SANs
✉️Email Auth
SPF ✓ · DKIM ✓ · DMARC ✗ (p=none)
💻Tech Stack
Host: SURF B.V. · Email: Google Workspace
📡HTTP
2 redirect → 200 · HSTS ✓ · CSP ✓ · X-Frame ✓ · Nosniff ✗
🛡️Security
B (160/225) · 1 critical · 3 high
⚠️Threats
risk: low · 1 recommendation(s)
📈Deliverability
B (70/100) · 5 MX · 7 IPs · 8 issue(s)
🔍Subdomains
2 found · 113 answered — smtp, www
📚Web Archive
no snapshots found