📄WHOIS
Gransy, s.r.o. · registered 23 years ago · expires 4/27/2027
🌐DNS
1 A · 2 MX · 2 NS · 2 CAA · 1 PTR · 1 SOA · 3 TXT · 1 AAAA
🔒SSL/TLS
Let's Encrypt · TLSv1.3 · expires in 81d · 4 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✓ (p=reject)
🔐DNSSEC
signed · valid chain of trust
💻Tech Stack
Host: Seznam.cz, a.s. · Email: Self-hosted · nginx · Express.js
📡HTTP
2 redirect → 200 · HSTS ✓ · CSP ✓ · X-Frame ✗ · Nosniff ✗
🛡️Security
B (165/215) · 1 critical · 1 high
📈Deliverability
A+ (88/90) · 2 MX · 4 IPs · 2 issue(s)
🔍Subdomains
2 found · 94 answered (18 timed out) — media, www
📚Web Archive
first snapshot 2000-10-18 · 25y archived