📄WHOIS
OVH SAS · registered 13 years ago · expires 10/4/2026
🌐DNS
1 A · 1 MX · 3 NS · 1 PTR · 1 SOA · 7 TXT
🔒SSL/TLS
Let's Encrypt · TLSv1.3 · expires in 83d · 34 SANs
✉️Email Auth
SPF ✓ · DKIM ✓ · DMARC ✓ (p=quarantine)
💻Tech Stack
Host: Technical University of Gdansk, Academic Computer Center TASK · Email: Microsoft 365 · nginx
📡HTTP
1 redirect → 200 · HSTS ✓ · CSP ✓ · X-Frame ✓ · Nosniff ✓
🛡️Security
C (140/215) · 1 critical · 2 high
⚠️Threats
risk: low · 1 recommendation(s)
📈Deliverability
B (79/100) · 1 MX · 4 IPs · 6 issue(s)
🔍Subdomains
2 found · 102 answered (10 timed out) — mobile, www