📄WHOIS
Xiamen ChinaSource Internet Service Co., Ltd · registered 17 years ago · expires 4/20/2029
🌐DNS
1 A · 2 MX · 2 NS · 1 PTR · 1 SOA · 3 TXT
🔒SSL/TLS
Let's Encrypt · TLSv1.3 · expires in 70d · 1 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✗ (p=none)
💻Tech Stack
Host: Cloudflare · Email: Self-hosted · Cloudflare
📡HTTP
2 redirect → 200 · HSTS ✓ · CSP ✓ · X-Frame ✓ · Nosniff ✓
🛡️Security
C (145/215) · 1 critical · 2 high
⚠️Threats
risk: low · 1 recommendation(s)
📈Deliverability
A (81/90) · 2 MX · 7 IPs · 4 issue(s)
🔍Subdomains
3 found · 112 answered — community, forum, smtp
📚Web Archive
first snapshot 2010-01-30 · 16y archived