🌐DNS
1 A · 4 MX · 2 NS · 1 SOA · 2 TXT · 1 AAAA
🔒SSL/TLS
JoySSL Limited · TLSv1.2 · expires in 111d · 2 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✗ (p=none)
💻Tech Stack
Host: CHINANET BACKBONE · Email: Self-hosted · nginx
📡HTTP
2 redirect → 200 · HSTS ✓ · CSP ✗ · X-Frame ✗ · Nosniff ✗
🛡️Security
B (155/215) · 1 critical · 2 high
📈Deliverability
B (65/90) · 4 MX · 7 IPs · 7 issue(s)
🔍Subdomains
2 found · 100 answered (12 timed out) — m, www