📄WHOIS
MarkMonitor Inc. · registered 21 years ago · expires 9/4/2026
🌐DNS
4 A · 5 MX · 4 NS · 4 PTR · 1 SOA · 2 TXT
🔒SSL/TLS
Amazon · TLSv1.3 · expires in 160d · 3 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✓ (p=reject)
💻Tech Stack
Host: Amazon Web Services · Email: Google Workspace · DNS: AWS Route 53 · nginx · Express.js
📡HTTP
3 redirect → 200 · HSTS ✗ · CSP ✓ · X-Frame ✗ · Nosniff ✗
🛡️Security
B (160/215) · 1 critical · 2 high
📈Deliverability
A+ (86/90) · 5 MX · 10 IPs · 2 issue(s)
🔍Subdomains
3 found · 110 answered (2 timed out) — files, ftp, www