📄WHOIS
NASK · registered 13 years ago · expires 4/23/2027
🌐DNS
1 A · 6 MX · 3 NS · 1 PTR · 1 SOA · 10 TXT
🔒SSL/TLS
Asseco Data Systems S.A. · TLSv1.3 · expires in 139d · 2 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✓ (p=reject)
🔐DNSSEC
signed · valid chain of trust
💻Tech Stack
Host: Netia SA · Email: Self-hosted
📡HTTP
2 redirect → 200 · HSTS ✗ · CSP ✗ · X-Frame ✓ · Nosniff ✗
🛡️Security
C (140/215) · 1 critical · 2 high
📈Deliverability
A+ (90/90) · 6 MX · 6 IPs · 1 issue(s)
🔍Subdomains
2 found · 99 answered (13 timed out) — mx, www