📄WHOIS
Bizcn.com, Inc. · registered 16 years ago · expires 10/26/2030
🌐DNS
1 A · 2 MX · 2 NS · 1 SOA · 2 TXT
🔒SSL/TLS
DigiCert, Inc. · TLSv1.3 · expires in 173d · 2 SANs
✉️Email Auth
SPF ✗ · DKIM ✗ · DMARC ✗ (p=none)
💻Tech Stack
Host: CT HangZhou IDC · Email: Self-hosted · nginx
📡HTTP
1 redirect → 200 · HSTS ✗ · CSP ✗ · X-Frame ✓ · Nosniff ✓
🛡️Security
C (145/215) · 1 critical · 2 high
📈Deliverability
F (35/90) · 0 MX · 0 IPs · 3 issue(s)
🔍Subdomains
7 found · 100 answered (12 timed out) — imap, m, mail, pop, smtp, www +1 more