📄WHOIS
北京国科云计算技术有限公司（原北京中科三方网络技术有限公司）
🌐DNS
1 A · 5 NS · 1 SOA · 1 TXT
🔒SSL/TLS
WoTrus CA Limited · TLSv1.3 · expires in 154d · 4 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✗
💻Tech Stack
Host: IDC, China Telecommunications Corporation
📡HTTP
1 redirect → 200 · HSTS ✗ · CSP ✗ · X-Frame ✗ · Nosniff ✗
🛡️Security
C (135/215) · 1 critical · 2 high
📈Deliverability
F (30/90) · 0 MX · 0 IPs · 3 issue(s)
🔍Subdomains
wildcard DNS — every guessed name resolves
📚Web Archive
no snapshots found