📄WHOIS
One.com A/S · registered 30 years ago · expires 4/9/2027
🌐DNS
4 A · 4 MX · 2 NS · 1 SOA · 1 TXT
🔒SSL/TLS
Certainly · TLSv1.3 · ⚠ 11d left · 1 SANs
✉️Email Auth
SPF ✗ · DKIM ✗ · DMARC ✗ (p=none)
🔐DNSSEC
signed · valid chain of trust
💻Tech Stack
Host: Fastly, Inc. · Email: Self-hosted · nginx
📡HTTP
2 redirect → 200 · HSTS ✓ · CSP ✗ · X-Frame ✓ · Nosniff ✓
🛡️Security
C (130/215) · 2 critical · 2 high
⚠️Threats
risk: low · 1 recommendation(s)
📈Deliverability
B (73/90) · 4 MX · 4 IPs · 4 issue(s)
🔍Subdomains
wildcard DNS — every guessed name resolves