🌐DNS
1 A · 3 MX · 2 NS · 1 SOA · 2 TXT
🔒SSL/TLS
Let's Encrypt · TLSv1.2 · expires in 53d · 7 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✗
💻Tech Stack
Host: Empresa de Telecomunicaciones de Cuba, S.A. · Email: Self-hosted
📡HTTP
2 redirect → 200 · HSTS ✓ · CSP ✓ · X-Frame ✓ · Nosniff ✓
🛡️Security
C (150/215) · 1 critical · 2 high
📈Deliverability
A (90/100) · 3 MX · 3 IPs · 1 issue(s)
🔍Subdomains
8 found · 99 answered (13 timed out) — en, imap, mx1, mx2, pop, smtp +2 more
📚Web Archive
first snapshot 1997-10-15 · 28y archived