📄WHOIS
Knock Knock WHOIS There, LLC · registered 9 years ago · expires 10/10/2026
🌐DNS
2 A · 4 NS · 1 SOA · 1 TXT
🔒SSL/TLS
Let's Encrypt · TLSv1.3 · expires in 44d · 2 SANs
✉️Email Auth
SPF ✓ · DKIM ✗ · DMARC ✗
💻Tech Stack
Host: Automattic, Inc · nginx
📡HTTP
1 redirect → 200 · HSTS ✓ · CSP ✗ · X-Frame ✓ · Nosniff ✗
🛡️Security
C (140/215) · 1 critical · 2 high
📈Deliverability
D (40/100) · 0 MX · 0 IPs · 2 issue(s)
🔍Subdomains
wildcard DNS — every guessed name resolves