🌐DNS
2 A · 1 MX · 4 NS · 1 SOA · 2 TXT
🔒SSL/TLS
China Financial Certification Authority · TLSv1.2 · expires in 114d · 2 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✗
💻Tech Stack
Host: CNNIC member · Email: Self-hosted
📡HTTP
1 redirect → 200 · HSTS ✗ · CSP ✗ · X-Frame ✗ · Nosniff ✗
🛡️Security
B (155/215) · 1 critical · 2 high
📈Deliverability
D (41/90) · 1 MX · 1 IPs · 6 issue(s)
🔍Subdomains
7 found · 112 answered — imap, m, mail, mobile, pop3, smtp +1 more
📚Web Archive
first snapshot 2003-07-19 · 22y archived