📄WHOIS
MarkMonitor Inc. · registered 21 years ago · expires 6/1/2027
🌐DNS
4 A · 2 MX · 4 NS · 4 PTR · 1 SOA · 13 TXT
🔒SSL/TLS
Amazon · TLSv1.3 · expires in 170d · 52 SANs
✉️Email Auth
SPF ✓ · DKIM ✓ · DMARC ✓ (p=reject)
🔐DNSSEC
signed · valid chain of trust
💻Tech Stack
Host: Amazon Web Services · Email: Proofpoint · DNS: AWS Route 53
📡HTTP
1 redirect → 200 · HSTS ✓ · CSP ✗ · X-Frame ✗ · Nosniff ✓
🛡️Security
B (155/215) · 1 critical · 2 high
📈Deliverability
A+ (100/100) · 2 MX · 2 IPs
🔍Subdomains
1 found · 112 answered — www