📄WHOIS
MarkMonitor Inc. · registered 22 years ago · ⚠ expires in 18 days
🌐DNS
1 A · 2 MX · 3 NS · 3 CAA · 1 PTR · 1 SOA · 2 TXT · 1 AAAA
🔒SSL/TLS
Let's Encrypt · TLSv1.3 · expires in 62d · 41 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✓ (p=reject)
💻Tech Stack
Host: Wikimedia Foundation Inc. · Email: Self-hosted
📡HTTP
3 redirect → 200 · HSTS ✓ · CSP ✓ · X-Frame ✗ · Nosniff ✓
🛡️Security
C (135/215) · 3 critical · 1 high
⚠️Threats
risk: low · 1 recommendation(s)
📈Deliverability
D (38/90) · 0 MX · 0 IPs · 3 issue(s)
🔍Subdomains
2 found · 112 answered — m, www