📄WHOIS
Gransy, s.r.o. d/b/a subreg.cz · expires 11/11/2029
🌐DNS
1 A · 5 MX · 3 NS · 1 PTR · 1 SOA · 5 TXT
🔒SSL/TLS
Let's Encrypt · TLSv1.3 · expires in 83d · 2 SANs
✉️Email Auth
SPF ✓ · DKIM ✓ · DMARC ✓ (p=quarantine)
💻Tech Stack
Host: Google LLC · Email: Google Workspace · nginx
📡HTTP
2 redirect → 200 · HSTS ✗ · CSP ✗ · X-Frame ✗ · Nosniff ✗
🛡️Security
C (125/215) · 3 critical · 2 high
⚠️Threats
risk: low · 1 recommendation(s)
📈Deliverability
C (61/100) · 5 MX · 10 IPs · 14 issue(s)
🔍Subdomains
2 found · 107 answered (5 timed out) — m, www