📄WHOIS
Akademickie Centrum Komputerowe CYFRONET AGH · registered 25 years ago · expires 12/31/2026
🌐DNS
1 A · 1 MX · 3 NS · 1 PTR · 1 SOA · 2 TXT
🔒SSL/TLS
DigiCert Inc · TLSv1.2 · expires in 181d · 2 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✗ (p=none)
💻Tech Stack
Host: Tarnow · Email: Self-hosted · Apache
📡HTTP
1 redirect → 200 · HSTS ✗ · CSP ✗ · X-Frame ✗ · Nosniff ✗
🛡️Security
B (155/215) · 1 critical · 2 high
📈Deliverability
A (81/90) · 1 MX · 1 IPs · 3 issue(s)
🔍Subdomains
2 found · 105 answered (7 timed out) — www, www2
📚Web Archive
no snapshots found