📄WHOIS
NASK · registered 28 years ago
🌐DNS
1 A · 1 MX · 4 NS · 1 PTR · 1 SOA · 2 TXT
🔒SSL/TLS
DigiCert Inc · TLSv1.3 · expires in 68d · 2 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✗ (p=none)
🔐DNSSEC
signed · valid chain of trust
💻Tech Stack
Host: NAUKOWA I AKADEMICKA SIEC KOMPUTEROWA - PANSTWOWY INSTYTUT BADAWCZY · Email: Microsoft 365
📡HTTP
1 redirect → 200 · HSTS ✓ · CSP ✓ · X-Frame ✓ · Nosniff ✓
🛡️Security
B (155/215) · 1 critical · 2 high
📈Deliverability
B (66/90) · 1 MX · 4 IPs · 7 issue(s)
🔍Subdomains
2 found · 112 answered — www, www2