📄WHOIS
No-IP Technologies, LLC · registered 14 years ago · expires 1/9/2027
🌐DNS
1 A · 1 MX · 2 NS · 1 PTR · 1 SOA · 2 TXT
🔒SSL/TLS
invalid — Let's Encrypt · TLSv1.3 · expires in 39d · 1 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✗
💻Tech Stack
Host: CITIC Telecom International CPC Limited · Email: Self-hosted · nginx
📡HTTP
1 redirect → 200 · HSTS ✗ · CSP ✗ · X-Frame ✗ · Nosniff ✗
🛡️Security
C (140/215) · 1 critical · 2 high
📈Deliverability
B (74/90) · 1 MX · 1 IPs · 4 issue(s)
🔍Subdomains
4 found · 107 answered (5 timed out) — mail, pop, smtp, www