📄WHOIS
DNC Holdings, Inc. · registered 26 years ago · expires 12/2/2026
🌐DNS
2 A · 2 MX · 6 NS · 2 PTR · 1 SOA · 15 TXT
🔒SSL/TLS
Let's Encrypt · TLSv1.3 · expires in 57d · 2 SANs
✉️Email Auth
SPF ✓ · DKIM ✓ · DMARC ✓ (p=quarantine)
💻Tech Stack
Host: Google LLC · Email: Proofpoint · Cloudflare
📡HTTP
1 redirect → 200 · HSTS ✓ · CSP ✗ · X-Frame ✗ · Nosniff ✗
🛡️Security
C (125/195) · 1 critical · 2 high
📈Deliverability
A+ (96/100) · 2 MX · 2 IPs · 2 issue(s)
🔍Subdomains
6 found · 65 answered (47 timed out) — autodiscover, ftp, learn, smtp, webmail, www