📄WHOIS
Xiamen ChinaSource Internet Service Co., Ltd · registered 18 years ago · expires 11/29/2028
🌐DNS
1 A · 1 MX · 2 NS · 1 SOA
🔒SSL/TLS
invalid — Sectigo Limited · TLSv1.2 · expires in 160d · 2 SANs
✉️Email Auth
SPF ✗ · DKIM ✗ · DMARC ✗
💻Tech Stack
Host: Beijing Baidu Netcom Science and Technology Co., Ltd. · Email: Self-hosted · nginx
📡HTTP
1 redirect → 200 · HSTS ✗ · CSP ✗ · X-Frame ✗ · Nosniff ✗
🛡️Security
C (130/215) · 2 critical · 2 high
📈Deliverability
F (29/90) · 1 MX · 4 IPs · 11 issue(s)
🔍Subdomains
1 found · 112 answered — www