🌐DNS
1 A · 1 MX · 3 NS · 1 SOA
🔒SSL/TLS
DigiCert, Inc. · TLSv1.3 · expires in 179d · 62 SANs
✉️Email Auth
SPF ✗ · DKIM ✗ · DMARC ✗
💻Tech Stack
Host: China Telecom Beijing Tianjin Hebei Big Data Industry Park Branch · Email: Self-hosted
📡HTTP
HTTP 200 · HSTS ✗ · CSP ✗ · X-Frame ✗ · Nosniff ✗
🛡️Security
D (100/215) · 4 critical · 2 high
📈Deliverability
F (32/90) · 1 MX · 1 IPs · 6 issue(s)
🔍Subdomains
1 found · 112 answered — www