📄WHOIS
Beijing Guokeyun Computing Technology Co., Ltd · registered 27 years ago · expires 4/12/2030
🌐DNS
1 A · 2 MX · 2 NS · 1 SOA · 1 TXT
🔒SSL/TLS
DNSPod, Inc. · TLSv1.2 · expires in 77d · 2 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✗ (p=none)
💻Tech Stack
Host: China Networks Inter-Exchange · Email: Self-hosted · nginx · Express.js
📡HTTP
HTTP 200 · HSTS ✗ · CSP ✗ · X-Frame ✗ · Nosniff ✗
🛡️Security
C (145/215) · 1 critical · 2 high
📈Deliverability
C (60/90) · 2 MX · 4 IPs · 8 issue(s)
🔍Subdomains
wildcard DNS — every guessed name resolves