📄WHOIS
Alibaba Cloud Computing Ltd. d/b/a HiChina (www.net.cn) · registered 15 years ago · expires 2/17/2027
🌐DNS
1 A · 2 MX · 2 NS · 1 SOA · 4 TXT
🔒SSL/TLS
Let's Encrypt · TLSv1.3 · expires in 49d · 2 SANs
✉️Email Auth
SPF ✓ · DKIM ✓ · DMARC ✓ (p=quarantine)
💻Tech Stack
Host: Hangzhou Alibaba Advertising Co.,Ltd. · Email: Self-hosted
📡HTTP
1 redirect → 200 · HSTS ✓ · CSP ✗ · X-Frame ✗ · Nosniff ✗
🛡️Security
C (135/215) · 1 critical · 2 high
📈Deliverability
B (82/100) · 2 MX · 4 IPs · 5 issue(s)
🔍Subdomains
wildcard DNS — every guessed name resolves