🌐DNS
1 A · 5 MX · 5 NS · 12 CAA · 1 PTR · 1 SOA · 21 TXT
🔒SSL/TLS
Internet2 · TLSv1.3 · expires in 144d · 2 SANs
✉️Email Auth
SPF ✓ · DKIM ✓ · DMARC ✗ (p=none)
💻Tech Stack
Host: Michigan Technological University · Email: Google Workspace · Cloudflare · PHP
📡HTTP
1 redirect → 200 · HSTS ✗ · CSP ✗ · X-Frame ✓ · Nosniff ✗
🛡️Security
B (165/215) · 1 critical · 1 high
⚠️Threats
risk: medium · 1 recommendation(s)
📈Deliverability
B (81/100) · 5 MX · 4 IPs · 6 issue(s)
🔍Subdomains
6 found · 91 answered (21 timed out) — autoconfig, email, m, mail, mx1, www