🌐DNS
1 A · 1 MX · 2 NS · 1 SOA · 6 TXT
🔒SSL/TLS
GlobalSign nv-sa · TLSv1.3 · ⚠ 22d left · 2 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✗ (p=none)
💻Tech Stack
Host: Korea Advanced Institute of Science and Technology · Email: Self-hosted
📡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 (75/90) · 1 MX · 1 IPs · 5 issue(s)
🔍Subdomains
1 found · 112 answered — www