📄WHOIS
22net, Inc. · registered 22 years ago · expires 6/28/2028
🌐DNS
1 A · 2 MX · 2 NS · 1 SOA · 1 TXT
🔒SSL/TLS
Let's Encrypt · TLSv1.2 · expires in 87d · 2 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✗ (p=none)
💻Tech Stack
Host: CHINANET Yunnan province IDC1 network · Email: Self-hosted · nginx
📡HTTP
1 redirect → 200 · HSTS ✗ · CSP ✗ · X-Frame ✗ · Nosniff ✗
🛡️Security
C (150/225) · 1 critical · 3 high
📈Deliverability
C (65/100) · 2 MX · 4 IPs · 8 issue(s)
🔍Subdomains
1 found · 113 answered — www