📄WHOIS
Tucows Domains Inc. · registered 17 years ago · expires 8/29/2027
🌐DNS
1 A · 1 MX · 3 NS · 1 PTR · 1 SOA · 9 TXT
🔒SSL/TLS
Let's Encrypt · TLSv1.3 · expires in 34d · 30 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✗
🔐DNSSEC
signed · valid chain of trust
💻Tech Stack
Host: CESNET z.s.p.o. · Email: Self-hosted · nginx
📡HTTP
HTTP 200 · HSTS ✓ · CSP ✗ · X-Frame ✓ · Nosniff ✓
🛡️Security
C (150/215) · 1 critical · 2 high
⚠️Threats
risk: low · 1 recommendation(s)
📈Deliverability
B (70/90) · 1 MX · 1 IPs · 5 issue(s)
🔍Subdomains
wildcard DNS — every guessed name resolves