📄WHOIS
MarkMonitor Information Technology (Shanghai) Co., Ltd. · registered 10 years ago · expires 11/5/2027
🌐DNS
2 A · 2 MX · 3 NS · 1 SOA · 2 TXT · 2 AAAA
🔒SSL/TLS
DigiCert, Inc. · TLSv1.3 · expires in 154d · 2 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✗ (p=none)
💻Tech Stack
Host: Hangzhou Alibaba Advertising Co.,Ltd. · Email: Self-hosted · nginx
📡HTTP
2 redirect → 200 · HSTS ✗ · CSP ✗ · X-Frame ✓ · Nosniff ✓
🛡️Security
C (140/215) · 1 critical · 2 high
📈Deliverability
B (69/90) · 2 MX · 4 IPs · 6 issue(s)
🔍Subdomains
wildcard DNS — every guessed name resolves