📄WHOIS
Beijing Brandma International Networking Technology Ltd. · registered 28 years ago · expires 7/8/2028
🌐DNS
1 A · 1 MX · 4 NS · 1 SOA · 9 TXT
🔒SSL/TLS
DigiCert, Inc. · TLSv1.3 · expires in 56d · 2 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✓ (p=quarantine)
💻Tech Stack
Host: CHINANET BACKBONE · Email: Microsoft 365 · Apache
📡HTTP
3 redirect → 200 · HSTS ✓ · CSP ✓ · X-Frame ✗ · Nosniff ✓
🛡️Security
C (145/215) · 1 critical · 2 high
📈Deliverability
A (84/90) · 1 MX · 6 IPs · 3 issue(s)
🔍Subdomains
5 found · 112 answered — m, mail, smtp, www, www2
📚Web Archive
no snapshots found