📄WHOIS
NASK · registered 13 years ago · expires 1/1/2027
🌐DNS
1 A · 4 MX · 2 NS · 1 PTR · 1 SOA · 21 TXT
🔒SSL/TLS
Asseco Data Systems S.A. · TLSv1.3 · expires in 184d · 2 SANs
✉️Email Auth
SPF ✓ · DKIM ✓ · DMARC ✓ (p=quarantine)
🔐DNSSEC
signed · valid chain of trust
💻Tech Stack
Host: IQ PL Sp. z o.o. · Email: Self-hosted · Apache
📡HTTP
1 redirect → 200 · HSTS ✓ · CSP ✓ · X-Frame ✓ · Nosniff ✓
🛡️Security
C (145/215) · 1 critical · 2 high
📈Deliverability
A+ (98/100) · 4 MX · 3 IPs · 1 issue(s)
🔍Subdomains
2 found · 112 answered — mail, www