📄WHOIS
Beijing Guokeyun Computing Technology Co., Ltd · registered 30 years ago · expires 9/27/2028
🌐DNS
1 A · 3 MX · 2 NS · 1 SOA · 6 TXT
🔒SSL/TLS
Actalis S.p.A. · TLSv1.2 · expires in 207d · 2 SANs
✉️Email Auth
SPF ✓ · DKIM ✓ · DMARC ✗ (p=none)
💻Tech Stack
Host: Tencent Cloud · Email: Self-hosted · nginx
📡HTTP
3 redirect → 200 · HSTS ✓ · CSP ✗ · X-Frame ✓ · Nosniff ✗
🛡️Security
C (135/215) · 1 critical · 2 high
📈Deliverability
C (57/100) · 3 MX · 2 IPs · 5 issue(s)
🔍Subdomains
2 found · 108 answered (4 timed out) — cloud, www
📚Web Archive
no snapshots found